From d647e5f3b1c1bd19a081bf05b3d81341c1e7858e Mon Sep 17 00:00:00 2001 From: gaurav-aws Date: Tue, 19 Feb 2019 02:30:32 +0000 Subject: [PATCH] First Official Release of ARMV8M Support. This release removes Pre-Release from all the ARMv8M files licensees. git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@2635 1d2547de-c912-0410-9cb9-b8ca96c0e9e2 --- .../ARMCM33_DSP_FP_TZ_config.txt | 177 +++ .../Config/FreeRTOSConfig.h | 169 +++ .../Debug.ini | 4 + .../FreeRTOSDemo.uvmpw | 21 + .../NonSecure/FreeRTOSDemo_ns.sct | 61 + .../NonSecure/FreeRTOSDemo_ns.uvoptx | 474 +++++++ .../NonSecure/FreeRTOSDemo_ns.uvprojx | 626 ++++++++ .../ARMCM33_DSP_FP_TZ/partition_ARMCM33.h | 1260 +++++++++++++++++ .../ARMCM33_DSP_FP_TZ/startup_ARMCM33.s | 267 ++++ .../Device/ARMCM33_DSP_FP_TZ/system_ARMCM33.c | 99 ++ .../NonSecure/main_ns.c | 175 +++ .../Secure/FreeRTOSDemo_s.sct | 20 + .../Secure/FreeRTOSDemo_s.uvoptx | 378 +++++ .../Secure/FreeRTOSDemo_s.uvprojx | 514 +++++++ .../ARMCM33_DSP_FP_TZ/partition_ARMCM33.h | 1260 +++++++++++++++++ .../ARMCM33_DSP_FP_TZ/startup_ARMCM33.s | 267 ++++ .../Device/ARMCM33_DSP_FP_TZ/system_ARMCM33.c | 99 ++ .../Secure/main_s.c | 79 ++ .../Demo/Common/ARMv8M/mpu_demo/mpu_demo.c | 192 +++ .../Demo/Common/ARMv8M/mpu_demo/mpu_demo.h | 45 + .../Common/ARMv8M/tz_demo/nsc_functions.c | 59 + .../Common/ARMv8M/tz_demo/nsc_functions.h | 51 + FreeRTOS/Demo/Common/ARMv8M/tz_demo/tz_demo.c | 133 ++ FreeRTOS/Demo/Common/ARMv8M/tz_demo/tz_demo.h | 45 + FreeRTOS/Source/include/FreeRTOS.h | 26 +- FreeRTOS/Source/include/mpu_prototypes.h | 208 +-- FreeRTOS/Source/include/mpu_wrappers.h | 3 + FreeRTOS/Source/include/portable.h | 12 +- FreeRTOS/Source/include/task.h | 8 + FreeRTOS/Source/portable/ARMv8M/copy_files.py | 91 ++ .../Source/portable/ARMv8M/non_secure/port.c | 860 +++++++++++ .../portable/GCC/ARM_CM33/portasm.c | 381 +++++ .../portable/GCC/ARM_CM33_NTZ/portasm.c | 285 ++++ .../portable/IAR/ARM_CM33/portasm.s | 302 ++++ .../portable/IAR/ARM_CM33_NTZ/portasm.s | 218 +++ .../portable/ARMv8M/non_secure/portasm.h | 113 ++ .../portable/ARMv8M/non_secure/portmacro.h | 281 ++++ .../GCC/ARM_CM33/secure_context_port.c | 88 ++ .../IAR/ARM_CM33/secure_context_port.c | 48 + .../IAR/ARM_CM33/secure_context_port_asm.s | 73 + .../ARMv8M/secure/context/secure_context.c | 204 +++ .../ARMv8M/secure/context/secure_context.h | 111 ++ .../portable/ARMv8M/secure/heap/secure_heap.c | 450 ++++++ .../portable/ARMv8M/secure/heap/secure_heap.h | 51 + .../portable/ARMv8M/secure/init/secure_init.c | 105 ++ .../portable/ARMv8M/secure/init/secure_init.h | 53 + .../ARMv8M/secure/macros/secure_port_macros.h | 133 ++ .../Source/portable/Common/mpu_wrappers.c | 257 ++-- .../portable/GCC/ARM_CM33/non_secure/port.c | 860 +++++++++++ .../GCC/ARM_CM33/non_secure/portasm.c | 381 +++++ .../GCC/ARM_CM33/non_secure/portasm.h | 113 ++ .../GCC/ARM_CM33/non_secure/portmacro.h | 281 ++++ .../GCC/ARM_CM33/secure/secure_context.c | 204 +++ .../GCC/ARM_CM33/secure/secure_context.h | 111 ++ .../GCC/ARM_CM33/secure/secure_context_port.c | 88 ++ .../GCC/ARM_CM33/secure/secure_heap.c | 450 ++++++ .../GCC/ARM_CM33/secure/secure_heap.h | 51 + .../GCC/ARM_CM33/secure/secure_init.c | 105 ++ .../GCC/ARM_CM33/secure/secure_init.h | 53 + .../GCC/ARM_CM33/secure/secure_port_macros.h | 133 ++ .../GCC/ARM_CM33_NTZ/non_secure/port.c | 860 +++++++++++ .../GCC/ARM_CM33_NTZ/non_secure/portasm.c | 285 ++++ .../GCC/ARM_CM33_NTZ/non_secure/portasm.h | 113 ++ .../GCC/ARM_CM33_NTZ/non_secure/portmacro.h | 281 ++++ .../Source/portable/GCC/ARM_CM3_MPU/port.c | 68 +- .../portable/GCC/ARM_CM3_MPU/portmacro.h | 32 +- .../Source/portable/GCC/ARM_CM4_MPU/port.c | 68 +- .../portable/GCC/ARM_CM4_MPU/portmacro.h | 32 +- .../portable/IAR/ARM_CM33/non_secure/port.c | 860 +++++++++++ .../IAR/ARM_CM33/non_secure/portasm.h | 113 ++ .../IAR/ARM_CM33/non_secure/portasm.s | 302 ++++ .../IAR/ARM_CM33/non_secure/portmacro.h | 281 ++++ .../IAR/ARM_CM33/secure/secure_context.c | 204 +++ .../IAR/ARM_CM33/secure/secure_context.h | 111 ++ .../IAR/ARM_CM33/secure/secure_context_port.c | 48 + .../ARM_CM33/secure/secure_context_port_asm.s | 73 + .../IAR/ARM_CM33/secure/secure_heap.c | 450 ++++++ .../IAR/ARM_CM33/secure/secure_heap.h | 51 + .../IAR/ARM_CM33/secure/secure_init.c | 105 ++ .../IAR/ARM_CM33/secure/secure_init.h | 53 + .../IAR/ARM_CM33/secure/secure_port_macros.h | 133 ++ .../IAR/ARM_CM33_NTZ/non_secure/port.c | 860 +++++++++++ .../IAR/ARM_CM33_NTZ/non_secure/portasm.h | 113 ++ .../IAR/ARM_CM33_NTZ/non_secure/portasm.s | 218 +++ .../IAR/ARM_CM33_NTZ/non_secure/portmacro.h | 281 ++++ .../Source/portable/IAR/ARM_CM4F_MPU/port.c | 31 +- .../portable/IAR/ARM_CM4F_MPU/portasm.s | 36 +- .../portable/IAR/ARM_CM4F_MPU/portmacro.h | 21 +- .../Source/portable/RVDS/ARM_CM4_MPU/port.c | 64 +- .../portable/RVDS/ARM_CM4_MPU/portmacro.h | 42 +- FreeRTOS/Source/tasks.c | 44 +- 91 files changed, 19547 insertions(+), 352 deletions(-) create mode 100644 FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/ARMCM33_DSP_FP_TZ_config.txt create mode 100644 FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Config/FreeRTOSConfig.h create mode 100644 FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Debug.ini create mode 100644 FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/FreeRTOSDemo.uvmpw create mode 100644 FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/FreeRTOSDemo_ns.sct create mode 100644 FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/FreeRTOSDemo_ns.uvoptx create mode 100644 FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/FreeRTOSDemo_ns.uvprojx create mode 100644 FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/RTE/Device/ARMCM33_DSP_FP_TZ/partition_ARMCM33.h create mode 100644 FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/RTE/Device/ARMCM33_DSP_FP_TZ/startup_ARMCM33.s create mode 100644 FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/RTE/Device/ARMCM33_DSP_FP_TZ/system_ARMCM33.c create mode 100644 FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/main_ns.c create mode 100644 FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/FreeRTOSDemo_s.sct create mode 100644 FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/FreeRTOSDemo_s.uvoptx create mode 100644 FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/FreeRTOSDemo_s.uvprojx create mode 100644 FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/RTE/Device/ARMCM33_DSP_FP_TZ/partition_ARMCM33.h create mode 100644 FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/RTE/Device/ARMCM33_DSP_FP_TZ/startup_ARMCM33.s create mode 100644 FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/RTE/Device/ARMCM33_DSP_FP_TZ/system_ARMCM33.c create mode 100644 FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/main_s.c create mode 100644 FreeRTOS/Demo/Common/ARMv8M/mpu_demo/mpu_demo.c create mode 100644 FreeRTOS/Demo/Common/ARMv8M/mpu_demo/mpu_demo.h create mode 100644 FreeRTOS/Demo/Common/ARMv8M/tz_demo/nsc_functions.c create mode 100644 FreeRTOS/Demo/Common/ARMv8M/tz_demo/nsc_functions.h create mode 100644 FreeRTOS/Demo/Common/ARMv8M/tz_demo/tz_demo.c create mode 100644 FreeRTOS/Demo/Common/ARMv8M/tz_demo/tz_demo.h create mode 100644 FreeRTOS/Source/portable/ARMv8M/copy_files.py create mode 100644 FreeRTOS/Source/portable/ARMv8M/non_secure/port.c create mode 100644 FreeRTOS/Source/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portasm.c create mode 100644 FreeRTOS/Source/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portasm.c create mode 100644 FreeRTOS/Source/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33/portasm.s create mode 100644 FreeRTOS/Source/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33_NTZ/portasm.s create mode 100644 FreeRTOS/Source/portable/ARMv8M/non_secure/portasm.h create mode 100644 FreeRTOS/Source/portable/ARMv8M/non_secure/portmacro.h create mode 100644 FreeRTOS/Source/portable/ARMv8M/secure/context/portable/GCC/ARM_CM33/secure_context_port.c create mode 100644 FreeRTOS/Source/portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port.c create mode 100644 FreeRTOS/Source/portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port_asm.s create mode 100644 FreeRTOS/Source/portable/ARMv8M/secure/context/secure_context.c create mode 100644 FreeRTOS/Source/portable/ARMv8M/secure/context/secure_context.h create mode 100644 FreeRTOS/Source/portable/ARMv8M/secure/heap/secure_heap.c create mode 100644 FreeRTOS/Source/portable/ARMv8M/secure/heap/secure_heap.h create mode 100644 FreeRTOS/Source/portable/ARMv8M/secure/init/secure_init.c create mode 100644 FreeRTOS/Source/portable/ARMv8M/secure/init/secure_init.h create mode 100644 FreeRTOS/Source/portable/ARMv8M/secure/macros/secure_port_macros.h create mode 100644 FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/port.c create mode 100644 FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/portasm.c create mode 100644 FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/portasm.h create mode 100644 FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/portmacro.h create mode 100644 FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_context.c create mode 100644 FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_context.h create mode 100644 FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_context_port.c create mode 100644 FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_heap.c create mode 100644 FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_heap.h create mode 100644 FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_init.c create mode 100644 FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_init.h create mode 100644 FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_port_macros.h create mode 100644 FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/port.c create mode 100644 FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/portasm.c create mode 100644 FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/portasm.h create mode 100644 FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/portmacro.h create mode 100644 FreeRTOS/Source/portable/IAR/ARM_CM33/non_secure/port.c create mode 100644 FreeRTOS/Source/portable/IAR/ARM_CM33/non_secure/portasm.h create mode 100644 FreeRTOS/Source/portable/IAR/ARM_CM33/non_secure/portasm.s create mode 100644 FreeRTOS/Source/portable/IAR/ARM_CM33/non_secure/portmacro.h create mode 100644 FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context.c create mode 100644 FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context.h create mode 100644 FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context_port.c create mode 100644 FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context_port_asm.s create mode 100644 FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_heap.c create mode 100644 FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_heap.h create mode 100644 FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_init.c create mode 100644 FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_init.h create mode 100644 FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_port_macros.h create mode 100644 FreeRTOS/Source/portable/IAR/ARM_CM33_NTZ/non_secure/port.c create mode 100644 FreeRTOS/Source/portable/IAR/ARM_CM33_NTZ/non_secure/portasm.h create mode 100644 FreeRTOS/Source/portable/IAR/ARM_CM33_NTZ/non_secure/portasm.s create mode 100644 FreeRTOS/Source/portable/IAR/ARM_CM33_NTZ/non_secure/portmacro.h diff --git a/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/ARMCM33_DSP_FP_TZ_config.txt b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/ARMCM33_DSP_FP_TZ_config.txt new file mode 100644 index 000000000..9bff8eef5 --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/ARMCM33_DSP_FP_TZ_config.txt @@ -0,0 +1,177 @@ +# Parameters: +# instance.parameter=value #(type, mode) default = 'def value' : description : [min..max] +#---------------------------------------------------------------------------------------------- +cpu0.FPU=1 # (bool , init-time) default = '1' : Set whether the model has VFP support +cpu0.DSP=1 # (bool , init-time) default = '1' : Set whether the model has the DSP extension +cpu0.semihosting-enable=0 # (bool , init-time) default = '1' : Enable semihosting SVC traps. Applications that do not use semihosting must set this parameter to false. +cpu0.MPU_S=0x8 # (int , init-time) default = '0x8' : Number of regions in the Secure MPU. If Security Extentions are absent, this is ignored : [0x0..0x10] +cpu0.MPU_NS=0x8 # (int , init-time) default = '0x8' : Number of regions in the Non-Secure MPU. If Security Extentions are absent, this is the total number of MPU regions : [0x0..0x10] +cpu0.ITM=0 # (bool , init-time) default = '1' : Level of instrumentation trace supported. false : No ITM trace included, true: ITM trace included +cpu0.IRQLVL=0x3 # (int , init-time) default = '0x3' : Number of bits of interrupt priority : [0x3..0x8] +cpu0.BIGENDINIT=0 # (bool , init-time) default = '0' : Initialize processor to big endian mode +cpu0.INITSVTOR=0x00000000 # (int , init-time) default = '0x10000000' : Secure vector-table offset at reset : [0x0..0xFFFFFF80] +cpu0.INITNSVTOR=0x0 # (int , init-time) default = '0x0' : Non-Secure vector-table offset at reset : [0x0..0xFFFFFF80] +cpu0.SAU=0x8 # (int , init-time) default = '0x4' : Number of SAU regions (0 => no SAU) : [0x0..0x8] +cpu0.SAU_CTRL.ENABLE=0 # (bool , init-time) default = '0' : Enable SAU at reset +cpu0.SAU_CTRL.ALLNS=0 # (bool , init-time) default = '0' : At reset, the SAU treats entire memory space as NS when the SAU is disabled if this is set +idau.NUM_IDAU_REGION=0x0 # (int , init-time) default = '0xA' : +cpu0.LOCK_SAU=0 # (bool , init-time) default = '0' : Lock down of SAU registers write +cpu0.LOCK_S_MPU=0 # (bool , init-time) default = '0' : Lock down of Secure MPU registers write +cpu0.LOCK_NS_MPU=0 # (bool , init-time) default = '0' : Lock down of Non-Secure MPU registers write +cpu0.CPIF=1 # (bool , init-time) default = '1' : Specifies whether the external coprocessor interface is included +cpu0.SECEXT=1 # (bool , init-time) default = '1' : Whether the ARMv8-M Security Extensions are included +fvp_mps2.DISABLE_GATING=1 # (bool , init-time) default = '0' : Disable Memory gating logic +fvp_mps2.SCC_ID.Variant=0x0 # (int , init-time) default = '0x0' : SCC_ID[23:20], X in the FGPA version 'rXpY' : [0x0..0xF] +fvp_mps2.SCC_ID.Revision=0x1 # (int , init-time) default = '0x1' : SCC_ID[3:0], Y in the FGPA version 'rXpY' : [0x0..0xF] +fvp_mps2.platform_type=0x0 # (int , init-time) default = '0x0' : 0:MPS2 ; 1:IoT Kit ; 2:Castor : [0x0..0x2] +fvp_mps2.extra_psram=0 # (bool , init-time) default = '0' : Increases PSRAM to 32Mb +fvp_mps2.UART2.out_file="" # (string, init-time) default = '' : Output file to hold data written by the UART (use '-' to send all output to stdout) +fvp_mps2.UART2.in_file="" # (string, init-time) default = '' : Input file for data to be read by the UART +fvp_mps2.UART2.unbuffered_output=0 # (bool , init-time) default = '0' : Unbuffered output +fvp_mps2.UART2.in_file_escape_sequence="##" # (string, init-time) default = '##' : Input file escape sequence +fvp_mps2.UART2.shutdown_on_eot=0 # (bool , init-time) default = '0' : Shutdown simulation when a EOT (ASCII 4) char is transmitted (useful for regression tests when semihosting is not available) +fvp_mps2.UART2.shutdown_tag="" # (string, run-time ) default = '' : Shutdown simulation when a string is transmitted +fvp_mps2.UART1.out_file="" # (string, init-time) default = '' : Output file to hold data written by the UART (use '-' to send all output to stdout) +fvp_mps2.UART1.in_file="" # (string, init-time) default = '' : Input file for data to be read by the UART +fvp_mps2.UART1.unbuffered_output=0 # (bool , init-time) default = '0' : Unbuffered output +fvp_mps2.UART1.in_file_escape_sequence="##" # (string, init-time) default = '##' : Input file escape sequence +fvp_mps2.UART1.shutdown_on_eot=0 # (bool , init-time) default = '0' : Shutdown simulation when a EOT (ASCII 4) char is transmitted (useful for regression tests when semihosting is not available) +fvp_mps2.UART1.shutdown_tag="" # (string, run-time ) default = '' : Shutdown simulation when a string is transmitted +fvp_mps2.mps2_visualisation.rate_limit-enable=1 # (bool , init-time) default = '1' : Rate limit simulation. +fvp_mps2.mps2_visualisation.disable-visualisation=0 # (bool , init-time) default = '0' : Enable/disable visualisation +fvp_mps2.mps2_visualisation.window_title="CLCD %cpu%" # (string, init-time) default = 'CLCD %cpu%' : Window title (%cpu% is replaced by cpu_name) +fvp_mps2.mps2_visualisation.idler.delay_ms=0x32 # (int , init-time) default = '0x32' : Determines the period, in milliseconds of real time, between gui_callback() calls. +fvp_mps2.telnetterminal0.mode="telnet" # (string, init-time) default = 'telnet' : Terminal initialisation mode +fvp_mps2.telnetterminal0.start_telnet=1 # (bool , init-time) default = '1' : Start telnet if nothing connected +fvp_mps2.telnetterminal0.start_port=0x1388 # (int , init-time) default = '0x1388' : Telnet TCP Port Number : [0x0..0xFFFFFFFF] +fvp_mps2.telnetterminal0.quiet=0 # (bool , init-time) default = '0' : Avoid output on stdout/stderr +fvp_mps2.telnetterminal0.terminal_command="" # (string, init-time) default = '' : Commandline to launch a terminal application and connect to the opened TCP port. Keywords %port and %title will be replaced with the opened port number and component name respectively. An empty string (default behaviour) will launch xterm (Linux) or telnet.exe (Windows) +fvp_mps2.telnetterminal1.mode="telnet" # (string, init-time) default = 'telnet' : Terminal initialisation mode +fvp_mps2.telnetterminal1.start_telnet=1 # (bool , init-time) default = '1' : Start telnet if nothing connected +fvp_mps2.telnetterminal1.start_port=0x1388 # (int , init-time) default = '0x1388' : Telnet TCP Port Number : [0x0..0xFFFFFFFF] +fvp_mps2.telnetterminal1.quiet=0 # (bool , init-time) default = '0' : Avoid output on stdout/stderr +fvp_mps2.telnetterminal1.terminal_command="" # (string, init-time) default = '' : Commandline to launch a terminal application and connect to the opened TCP port. Keywords %port and %title will be replaced with the opened port number and component name respectively. An empty string (default behaviour) will launch xterm (Linux) or telnet.exe (Windows) +fvp_mps2.telnetterminal2.mode="telnet" # (string, init-time) default = 'telnet' : Terminal initialisation mode +fvp_mps2.telnetterminal2.start_telnet=1 # (bool , init-time) default = '1' : Start telnet if nothing connected +fvp_mps2.telnetterminal2.start_port=0x1388 # (int , init-time) default = '0x1388' : Telnet TCP Port Number : [0x0..0xFFFFFFFF] +fvp_mps2.telnetterminal2.quiet=0 # (bool , init-time) default = '0' : Avoid output on stdout/stderr +fvp_mps2.telnetterminal2.terminal_command="" # (string, init-time) default = '' : Commandline to launch a terminal application and connect to the opened TCP port. Keywords %port and %title will be replaced with the opened port number and component name respectively. An empty string (default behaviour) will launch xterm (Linux) or telnet.exe (Windows) +fvp_mps2.PSRAM_M7.size=0x100000000 # (int , init-time) default = '0x100000000' : Memory Size +fvp_mps2.PSRAM_M7.fill1=0xDFDFDFCF # (int , init-time) default = '0xDFDFDFCF' : Fill pattern 1, initialise memory at start of simulation with alternating fill1, fill2 pattern +fvp_mps2.PSRAM_M7.fill2=0xCFDFDFDF # (int , init-time) default = '0xCFDFDFDF' : Fill pattern 2, initialise memory at start of simulation with alternating fill1, fill2 pattern +fvp_mps2.UART0.out_file="" # (string, init-time) default = '' : Output file to hold data written by the UART (use '-' to send all output to stdout) +fvp_mps2.UART0.in_file="" # (string, init-time) default = '' : Input file for data to be read by the UART +fvp_mps2.UART0.unbuffered_output=0 # (bool , init-time) default = '0' : Unbuffered output +fvp_mps2.UART0.in_file_escape_sequence="##" # (string, init-time) default = '##' : Input file escape sequence +fvp_mps2.UART0.shutdown_on_eot=0 # (bool , init-time) default = '0' : Shutdown simulation when a EOT (ASCII 4) char is transmitted (useful for regression tests when semihosting is not available) +fvp_mps2.UART0.shutdown_tag="" # (string, run-time ) default = '' : Shutdown simulation when a string is transmitted +fvp_mps2.cmsdk_watchdog.simhalt=0 # (bool , run-time ) default = '0' : Halt on reset. +fvp_mps2.sse200.s32k_watchdog.simhalt=0 # (bool , run-time ) default = '0' : Halt on reset. +fvp_mps2.sse200.secure_watchdog.simhalt=0 # (bool , run-time ) default = '0' : Halt on reset. +fvp_mps2.sse200.nonsecure_watchdog.simhalt=0 # (bool , run-time ) default = '0' : Halt on reset. +fvp_mps2.PSRAM.size=0x100000000 # (int , init-time) default = '0x100000000' : Memory Size +fvp_mps2.PSRAM.fill1=0xDFDFDFCF # (int , init-time) default = '0xDFDFDFCF' : Fill pattern 1, initialise memory at start of simulation with alternating fill1, fill2 pattern +fvp_mps2.PSRAM.fill2=0xCFDFDFDF # (int , init-time) default = '0xCFDFDFDF' : Fill pattern 2, initialise memory at start of simulation with alternating fill1, fill2 pattern +fvp_mps2.ssram2.size=0x100000000 # (int , init-time) default = '0x100000000' : Memory Size +fvp_mps2.ssram2.fill1=0xDFDFDFCF # (int , init-time) default = '0xDFDFDFCF' : Fill pattern 1, initialise memory at start of simulation with alternating fill1, fill2 pattern +fvp_mps2.ssram2.fill2=0xCFDFDFDF # (int , init-time) default = '0xCFDFDFDF' : Fill pattern 2, initialise memory at start of simulation with alternating fill1, fill2 pattern +fvp_mps2.ssram1.size=0x100000000 # (int , init-time) default = '0x100000000' : Memory Size +fvp_mps2.ssram1.fill1=0xDFDFDFCF # (int , init-time) default = '0xDFDFDFCF' : Fill pattern 1, initialise memory at start of simulation with alternating fill1, fill2 pattern +fvp_mps2.ssram1.fill2=0xCFDFDFDF # (int , init-time) default = '0xCFDFDFDF' : Fill pattern 2, initialise memory at start of simulation with alternating fill1, fill2 pattern +fvp_mps2.sse200.iotss_internal_sram0.size=0x100000000 # (int , init-time) default = '0x100000000' : Memory Size +fvp_mps2.sse200.iotss_internal_sram0.fill1=0xDFDFDFCF # (int , init-time) default = '0xDFDFDFCF' : Fill pattern 1, initialise memory at start of simulation with alternating fill1, fill2 pattern +fvp_mps2.sse200.iotss_internal_sram0.fill2=0xCFDFDFDF # (int , init-time) default = '0xCFDFDFDF' : Fill pattern 2, initialise memory at start of simulation with alternating fill1, fill2 pattern +fvp_mps2.sse200.iotss_internal_sram1.size=0x100000000 # (int , init-time) default = '0x100000000' : Memory Size +fvp_mps2.sse200.iotss_internal_sram1.fill1=0xDFDFDFCF # (int , init-time) default = '0xDFDFDFCF' : Fill pattern 1, initialise memory at start of simulation with alternating fill1, fill2 pattern +fvp_mps2.sse200.iotss_internal_sram1.fill2=0xCFDFDFDF # (int , init-time) default = '0xCFDFDFDF' : Fill pattern 2, initialise memory at start of simulation with alternating fill1, fill2 pattern +fvp_mps2.sse200.iotss_internal_sram2.size=0x100000000 # (int , init-time) default = '0x100000000' : Memory Size +fvp_mps2.sse200.iotss_internal_sram2.fill1=0xDFDFDFCF # (int , init-time) default = '0xDFDFDFCF' : Fill pattern 1, initialise memory at start of simulation with alternating fill1, fill2 pattern +fvp_mps2.sse200.iotss_internal_sram2.fill2=0xCFDFDFDF # (int , init-time) default = '0xCFDFDFDF' : Fill pattern 2, initialise memory at start of simulation with alternating fill1, fill2 pattern +fvp_mps2.sse200.iotss_internal_sram3.size=0x100000000 # (int , init-time) default = '0x100000000' : Memory Size +fvp_mps2.sse200.iotss_internal_sram3.fill1=0xDFDFDFCF # (int , init-time) default = '0xDFDFDFCF' : Fill pattern 1, initialise memory at start of simulation with alternating fill1, fill2 pattern +fvp_mps2.sse200.iotss_internal_sram3.fill2=0xCFDFDFDF # (int , init-time) default = '0xCFDFDFDF' : Fill pattern 2, initialise memory at start of simulation with alternating fill1, fill2 pattern +fvp_mps2.sse200.sys_ppu.use_active_signal=0 # (bool , init-time) default = '0' : Use device-active signal +fvp_mps2.sse200.sys_ppu.revision="r0p0" # (string, init-time) default = 'r0p0' : Revision +fvp_mps2.sse200.cpu0core_ppu.revision="r0p0" # (string, init-time) default = 'r0p0' : Revision +fvp_mps2.sse200.cpu0dbg_ppu.revision="r0p0" # (string, init-time) default = 'r0p0' : Revision +fvp_mps2.sse200.cpu1core_ppu.use_active_signal=0 # (bool , init-time) default = '0' : Use device-active signal +fvp_mps2.sse200.cpu1core_ppu.revision="r0p0" # (string, init-time) default = 'r0p0' : Revision +fvp_mps2.sse200.cpu1dbg_ppu.use_active_signal=0 # (bool , init-time) default = '0' : Use device-active signal +fvp_mps2.sse200.cpu1dbg_ppu.revision="r0p0" # (string, init-time) default = 'r0p0' : Revision +fvp_mps2.sse200.crypto_ppu.use_active_signal=0 # (bool , init-time) default = '0' : Use device-active signal +fvp_mps2.sse200.crypto_ppu.revision="r0p0" # (string, init-time) default = 'r0p0' : Revision +fvp_mps2.sse200.cordio_ppu.use_active_signal=0 # (bool , init-time) default = '0' : Use device-active signal +fvp_mps2.sse200.cordio_ppu.revision="r0p0" # (string, init-time) default = 'r0p0' : Revision +fvp_mps2.sse200.dbg_ppu.use_active_signal=0 # (bool , init-time) default = '0' : Use device-active signal +fvp_mps2.sse200.dbg_ppu.revision="r0p0" # (string, init-time) default = 'r0p0' : Revision +fvp_mps2.sse200.ram0_ppu.use_active_signal=0 # (bool , init-time) default = '0' : Use device-active signal +fvp_mps2.sse200.ram0_ppu.revision="r0p0" # (string, init-time) default = 'r0p0' : Revision +fvp_mps2.sse200.ram1_ppu.use_active_signal=0 # (bool , init-time) default = '0' : Use device-active signal +fvp_mps2.sse200.ram1_ppu.revision="r0p0" # (string, init-time) default = 'r0p0' : Revision +fvp_mps2.sse200.ram2_ppu.use_active_signal=0 # (bool , init-time) default = '0' : Use device-active signal +fvp_mps2.sse200.ram2_ppu.revision="r0p0" # (string, init-time) default = 'r0p0' : Revision +fvp_mps2.sse200.ram3_ppu.use_active_signal=0 # (bool , init-time) default = '0' : Use device-active signal +fvp_mps2.sse200.ram3_ppu.revision="r0p0" # (string, init-time) default = 'r0p0' : Revision +fvp_mps2.smsc_91c111.enabled=0 # (bool , init-time) default = '0' : Host interface connection enabled +fvp_mps2.smsc_91c111.mac_address="00:02:f7:ef:5d:a2" # (string, init-time) default = '00:02:f7:ef:5d:a2' : Host/model MAC address +fvp_mps2.smsc_91c111.promiscuous=1 # (bool , init-time) default = '1' : Put host into promiscuous mode +fvp_mps2.hostbridge.interfaceName="ARM0" # (string, init-time) default = 'ARM0' : Host Interface +fvp_mps2.hostbridge.userNetworking=0 # (bool , init-time) default = '0' : Enable user-mode networking +fvp_mps2.hostbridge.userNetSubnet="172.20.51.0/24" # (string, init-time) default = '172.20.51.0/24' : Virtual subnet for user-mode networking +fvp_mps2.hostbridge.userNetPorts="" # (string, init-time) default = '' : Listening ports to expose in user-mode networking +fvp_mps2.mps2_secure_control_register_block.FLASH_BLOCK_CFG=0x3 # (int , init-time) default = '0x3' : Flash Block size configuration : [0x0..0x31] +fvp_mps2.mps2_secure_control_register_block.SRAM_BLOCK_CFG=0x3 # (int , init-time) default = '0x3' : SRAM Block size configuration : [0x0..0x31] +fvp_mps2.mps2_secure_control_register_block.FLASH_WATERMARK_SUPPORTED=1 # (bool , init-time) default = '1' : Flash Watermark supported +fvp_mps2.mps2_secure_control_register_block.SRAM_WATERMARK_SUPPORTED=1 # (bool , init-time) default = '1' : SRAM Watermark supported +fvp_mps2.exclusive_monitor_psram.enable_component=1 # (bool , init-time) default = '1' : Enable component +fvp_mps2.exclusive_monitor_psram.number_of_monitors=0x8 # (int , init-time) default = '0x8' : Number of monitors : [0x1..0xFFFFFFFF] +fvp_mps2.exclusive_monitor_psram.log2_granule_size=0x0 # (int , init-time) default = '0x0' : log2 of address granule size : [0x0..0xB] +fvp_mps2.exclusive_monitor_psram.monitor_non_excl_stores=0 # (bool , init-time) default = '0' : Monitor non-exclusive stores from the same master +fvp_mps2.exclusive_monitor_psram.match_secure_state=1 # (bool , init-time) default = '1' : Treat the secure state like an address bit +fvp_mps2.exclusive_monitor_psram.shareability_domain=0x3 # (int , init-time) default = '0x3' : Maximum shareability domain of interest, transactions outside of the domain will pass through un-monitored (0-non-shared, 1-inner, 2-outer, 3-system) : [0x0..0x3] +fvp_mps2.exclusive_monitor_psram.apply_access_width_criteria_to_non_excl_stores=1 # (bool , init-time) default = '1' : Apply the given exclusive store width matching criteria to non-exclusive stores +fvp_mps2.exclusive_monitor_zbtsram1.enable_component=1 # (bool , init-time) default = '1' : Enable component +fvp_mps2.exclusive_monitor_zbtsram1.number_of_monitors=0x8 # (int , init-time) default = '0x8' : Number of monitors : [0x1..0xFFFFFFFF] +fvp_mps2.exclusive_monitor_zbtsram1.log2_granule_size=0x0 # (int , init-time) default = '0x0' : log2 of address granule size : [0x0..0xB] +fvp_mps2.exclusive_monitor_zbtsram1.monitor_non_excl_stores=0 # (bool , init-time) default = '0' : Monitor non-exclusive stores from the same master +fvp_mps2.exclusive_monitor_zbtsram1.match_secure_state=1 # (bool , init-time) default = '1' : Treat the secure state like an address bit +fvp_mps2.exclusive_monitor_zbtsram1.shareability_domain=0x3 # (int , init-time) default = '0x3' : Maximum shareability domain of interest, transactions outside of the domain will pass through un-monitored (0-non-shared, 1-inner, 2-outer, 3-system) : [0x0..0x3] +fvp_mps2.exclusive_monitor_zbtsram1.apply_access_width_criteria_to_non_excl_stores=1 # (bool , init-time) default = '1' : Apply the given exclusive store width matching criteria to non-exclusive stores +fvp_mps2.exclusive_monitor_zbtsram2.enable_component=1 # (bool , init-time) default = '1' : Enable component +fvp_mps2.exclusive_monitor_zbtsram2.number_of_monitors=0x8 # (int , init-time) default = '0x8' : Number of monitors : [0x1..0xFFFFFFFF] +fvp_mps2.exclusive_monitor_zbtsram2.log2_granule_size=0x0 # (int , init-time) default = '0x0' : log2 of address granule size : [0x0..0xB] +fvp_mps2.exclusive_monitor_zbtsram2.monitor_non_excl_stores=0 # (bool , init-time) default = '0' : Monitor non-exclusive stores from the same master +fvp_mps2.exclusive_monitor_zbtsram2.match_secure_state=1 # (bool , init-time) default = '1' : Treat the secure state like an address bit +fvp_mps2.exclusive_monitor_zbtsram2.shareability_domain=0x3 # (int , init-time) default = '0x3' : Maximum shareability domain of interest, transactions outside of the domain will pass through un-monitored (0-non-shared, 1-inner, 2-outer, 3-system) : [0x0..0x3] +fvp_mps2.exclusive_monitor_zbtsram2.apply_access_width_criteria_to_non_excl_stores=1 # (bool , init-time) default = '1' : Apply the given exclusive store width matching criteria to non-exclusive stores +fvp_mps2.sse200.exclusive_monitor_iotss_internal_sram.enable_component=1 # (bool , init-time) default = '1' : Enable component +fvp_mps2.sse200.exclusive_monitor_iotss_internal_sram.number_of_monitors=0x8 # (int , init-time) default = '0x8' : Number of monitors : [0x1..0xFFFFFFFF] +fvp_mps2.sse200.exclusive_monitor_iotss_internal_sram.log2_granule_size=0x0 # (int , init-time) default = '0x0' : log2 of address granule size : [0x0..0xB] +fvp_mps2.sse200.exclusive_monitor_iotss_internal_sram.monitor_non_excl_stores=0 # (bool , init-time) default = '0' : Monitor non-exclusive stores from the same master +fvp_mps2.sse200.exclusive_monitor_iotss_internal_sram.match_secure_state=1 # (bool , init-time) default = '1' : Treat the secure state like an address bit +fvp_mps2.sse200.exclusive_monitor_iotss_internal_sram.shareability_domain=0x3 # (int , init-time) default = '0x3' : Maximum shareability domain of interest, transactions outside of the domain will pass through un-monitored (0-non-shared, 1-inner, 2-outer, 3-system) : [0x0..0x3] +fvp_mps2.sse200.exclusive_monitor_iotss_internal_sram.apply_access_width_criteria_to_non_excl_stores=1 # (bool , init-time) default = '1' : Apply the given exclusive store width matching criteria to non-exclusive stores +fvp_mps2.dma0_securitymodifier.behaviour_ns_to_s=0x0 # (int , init-time) default = '0x0' : Behaviour for NS transactions to S space : 0:block 1:transmit 2:convert to S +fvp_mps2.dma1_securitymodifier.behaviour_ns_to_s=0x0 # (int , init-time) default = '0x0' : Behaviour for NS transactions to S space : 0:block 1:transmit 2:convert to S +fvp_mps2.dma2_securitymodifier.behaviour_ns_to_s=0x0 # (int , init-time) default = '0x0' : Behaviour for NS transactions to S space : 0:block 1:transmit 2:convert to S +fvp_mps2.dma3_securitymodifier.behaviour_ns_to_s=0x0 # (int , init-time) default = '0x0' : Behaviour for NS transactions to S space : 0:block 1:transmit 2:convert to S +fvp_mps2.dma0.fifo_size=0x10 # (int , init-time) default = '0x10' : Channel FIFO size in bytes +fvp_mps2.dma0.max_transfer=0x100 # (int , init-time) default = '0x100' : Largest atomic transfer +fvp_mps2.dma0.generate_clear=0 # (bool , init-time) default = '0' : Generate clear response +fvp_mps2.dma0.activate_delay=0x0 # (int , init-time) default = '0x0' : request delay +fvp_mps2.dma1.fifo_size=0x10 # (int , init-time) default = '0x10' : Channel FIFO size in bytes +fvp_mps2.dma1.max_transfer=0x100 # (int , init-time) default = '0x100' : Largest atomic transfer +fvp_mps2.dma1.generate_clear=0 # (bool , init-time) default = '0' : Generate clear response +fvp_mps2.dma1.activate_delay=0x0 # (int , init-time) default = '0x0' : request delay +fvp_mps2.dma2.fifo_size=0x10 # (int , init-time) default = '0x10' : Channel FIFO size in bytes +fvp_mps2.dma2.max_transfer=0x100 # (int , init-time) default = '0x100' : Largest atomic transfer +fvp_mps2.dma2.generate_clear=0 # (bool , init-time) default = '0' : Generate clear response +fvp_mps2.dma2.activate_delay=0x0 # (int , init-time) default = '0x0' : request delay +fvp_mps2.dma3.fifo_size=0x10 # (int , init-time) default = '0x10' : Channel FIFO size in bytes +fvp_mps2.dma3.max_transfer=0x100 # (int , init-time) default = '0x100' : Largest atomic transfer +fvp_mps2.dma3.generate_clear=0 # (bool , init-time) default = '0' : Generate clear response +fvp_mps2.dma3.activate_delay=0x0 # (int , init-time) default = '0x0' : request delay +fvp_mps2.iotss_systemcontrol.cpu0wait=0 # (bool , init-time) default = '0' : Whether to hold cpu1 in reset at boot +fvp_mps2.iotss_systemcontrol.cpu1wait=1 # (bool , init-time) default = '1' : Whether to hold cpu1 in reset at boot +fvp_mps2.sse200.iotss_cpuidentity.debugger_master_id=0xFFFFFFFF # (int , init-time) default = '0xFFFFFFFF' : : [0x0..0xFFFFFFFF] +#---------------------------------------------------------------------------------------------- diff --git a/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Config/FreeRTOSConfig.h b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Config/FreeRTOSConfig.h new file mode 100644 index 000000000..ebe531bc6 --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Config/FreeRTOSConfig.h @@ -0,0 +1,169 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/****************************************************************************** + See http://www.freertos.org/a00110.html for an explanation of the + definitions contained in this file. +******************************************************************************/ + +#ifndef FREERTOS_CONFIG_H +#define FREERTOS_CONFIG_H + +/*----------------------------------------------------------- + * Application specific definitions. + * + * These definitions should be adjusted for your particular hardware and + * application requirements. + * + * THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE + * FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE. + * http://www.freertos.org/a00110.html + *----------------------------------------------------------*/ + +extern uint32_t SystemCoreClock; + +/* Cortex M33 port configuration. */ +#define configENABLE_MPU 1 +#define configENABLE_FPU 1 +#define configENABLE_TRUSTZONE 1 + +/* Constants related to the behaviour or the scheduler. */ +#define configUSE_PORT_OPTIMISED_TASK_SELECTION 0 +#define configUSE_PREEMPTION 1 +#define configUSE_TIME_SLICING 1 +#define configMAX_PRIORITIES ( 5 ) +#define configIDLE_SHOULD_YIELD 1 +#define configUSE_16_BIT_TICKS 0 /* Only for 8 and 16-bit hardware. */ + +/* Constants that describe the hardware and memory usage. */ +#define configCPU_CLOCK_HZ SystemCoreClock +#define configMINIMAL_STACK_SIZE ( ( uint16_t ) 128 ) +#define configMINIMAL_SECURE_STACK_SIZE ( 1024 ) +#define configMAX_TASK_NAME_LEN ( 12 ) +#define configTOTAL_HEAP_SIZE ( ( size_t ) ( 50 * 1024 ) ) + +/* Constants that build features in or out. */ +#define configUSE_MUTEXES 1 +#define configUSE_TICKLESS_IDLE 1 +#define configUSE_APPLICATION_TASK_TAG 0 +#define configUSE_NEWLIB_REENTRANT 0 +#define configUSE_CO_ROUTINES 0 +#define configUSE_COUNTING_SEMAPHORES 1 +#define configUSE_RECURSIVE_MUTEXES 1 +#define configUSE_QUEUE_SETS 0 +#define configUSE_TASK_NOTIFICATIONS 1 +#define configUSE_TRACE_FACILITY 1 + +/* Constants that define which hook (callback) functions should be used. */ +#define configUSE_IDLE_HOOK 0 +#define configUSE_TICK_HOOK 0 +#define configUSE_MALLOC_FAILED_HOOK 0 + +/* Constants provided for debugging and optimisation assistance. */ +#define configCHECK_FOR_STACK_OVERFLOW 2 +#define configASSERT( x ) if( ( x ) == 0 ) { taskDISABLE_INTERRUPTS(); for( ;; ); } +#define configQUEUE_REGISTRY_SIZE 0 + +/* Software timer definitions. */ +#define configUSE_TIMERS 1 +#define configTIMER_TASK_PRIORITY ( 3 ) +#define configTIMER_QUEUE_LENGTH 5 +#define configTIMER_TASK_STACK_DEPTH ( configMINIMAL_STACK_SIZE ) + +/* Set the following definitions to 1 to include the API function, or zero + * to exclude the API function. NOTE: Setting an INCLUDE_ parameter to 0 is + * only necessary if the linker does not automatically remove functions that are + * not referenced anyway. */ +#define INCLUDE_vTaskPrioritySet 1 +#define INCLUDE_uxTaskPriorityGet 1 +#define INCLUDE_vTaskDelete 1 +#define INCLUDE_vTaskCleanUpResources 0 +#define INCLUDE_vTaskSuspend 1 +#define INCLUDE_vTaskDelayUntil 1 +#define INCLUDE_vTaskDelay 1 +#define INCLUDE_uxTaskGetStackHighWaterMark 0 +#define INCLUDE_xTaskGetIdleTaskHandle 0 +#define INCLUDE_eTaskGetState 1 +#define INCLUDE_xTaskResumeFromISR 0 +#define INCLUDE_xTaskGetCurrentTaskHandle 1 +#define INCLUDE_xTaskGetSchedulerState 0 +#define INCLUDE_xSemaphoreGetMutexHolder 0 +#define INCLUDE_xTimerPendFunctionCall 1 + +/* This demo makes use of one or more example stats formatting functions. These + * format the raw data provided by the uxTaskGetSystemState() function in to + * human readable ASCII form. See the notes in the implementation of vTaskList() + * within FreeRTOS/Source/tasks.c for limitations. */ +#define configUSE_STATS_FORMATTING_FUNCTIONS 1 + +/* Dimensions a buffer that can be used by the FreeRTOS+CLI command interpreter. + * See the FreeRTOS+CLI documentation for more information: + * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_CLI/ */ +#define configCOMMAND_INT_MAX_OUTPUT_SIZE 2048 + +/* Interrupt priority configuration follows...................... */ + +/* Use the system definition, if there is one. */ +#ifdef __NVIC_PRIO_BITS + #define configPRIO_BITS __NVIC_PRIO_BITS +#else + #define configPRIO_BITS 3 /* 8 priority levels. */ +#endif + +/* The lowest interrupt priority that can be used in a call to a "set priority" + * function. */ +#define configLIBRARY_LOWEST_INTERRUPT_PRIORITY 0x07 + +/* The highest interrupt priority that can be used by any interrupt service + * routine that makes calls to interrupt safe FreeRTOS API functions. DO NOT + * CALL INTERRUPT SAFE FREERTOS API FUNCTIONS FROM ANY INTERRUPT THAT HAS A + * HIGHER PRIORITY THAN THIS! (higher priorities are lower numeric values). */ +#define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY 5 + +/* Interrupt priorities used by the kernel port layer itself. These are generic + * to all Cortex-M ports, and do not rely on any particular library functions. */ +#define configKERNEL_INTERRUPT_PRIORITY ( configLIBRARY_LOWEST_INTERRUPT_PRIORITY << ( 8 - configPRIO_BITS ) ) + +/* !!!! configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to zero !!!! + * See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */ +#define configMAX_SYSCALL_INTERRUPT_PRIORITY ( configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY << ( 8 - configPRIO_BITS ) ) + +/* The #ifdef guards against the file being included from IAR assembly files. */ +#ifndef __IASMARM__ + + /* Constants related to the generation of run time stats. */ + #define configGENERATE_RUN_TIME_STATS 0 + #define portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() + #define portGET_RUN_TIME_COUNTER_VALUE() 0 + #define configTICK_RATE_HZ ( ( TickType_t ) 100 ) + +#endif /* __IASMARM__ */ + +/* Enable static allocation. */ +#define configSUPPORT_STATIC_ALLOCATION 1 + +#endif /* FREERTOS_CONFIG_H */ diff --git a/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Debug.ini b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Debug.ini new file mode 100644 index 000000000..b7c495cad --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Debug.ini @@ -0,0 +1,4 @@ +LOAD "..\\NonSecure\\Objects\\FreeRTOSDemo_ns.axf" incremental +LOAD "..\\Secure\\Objects\\FreeRTOSDemo_s.axf" incremental +RESET +g, \\FreeRTOSDemo_s\main_s\main \ No newline at end of file diff --git a/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/FreeRTOSDemo.uvmpw b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/FreeRTOSDemo.uvmpw new file mode 100644 index 000000000..2377218e9 --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/FreeRTOSDemo.uvmpw @@ -0,0 +1,21 @@ + + + + 1.0 + +
### uVision Project, (C) Keil Software
+ + WorkSpace + + + .\Secure\FreeRTOSDemo_s.uvprojx + 1 + 1 + + + + .\NonSecure\FreeRTOSDemo_ns.uvprojx + 1 + + + diff --git a/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/FreeRTOSDemo_ns.sct b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/FreeRTOSDemo_ns.sct new file mode 100644 index 000000000..dc3c9ae85 --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/FreeRTOSDemo_ns.sct @@ -0,0 +1,61 @@ +; ************************************************************* +; *** Scatter-Loading Description File generated by uVision *** +; ************************************************************* + +; Privileged Code: +; Start : 0x00200000 +; End : 0x00208000 - 1 +; Size : 32 Kbytes +; +; Privileged Data: +; Start : 0x20200000 +; End : 0x20201000 - 1 +; Size : 4 Kbytes +LR_IROM_NS_PRIVILEGED 0x00200000 0x00008000 ; load region size_region +{ + ER_IROM_NS_PRIVILEGED +0 ; load address = execution address + { + *.o(RESET, +First) + *(InRoot$$Sections) ; All sections that must be in a root region + *(privileged_functions) + } + + ER_IRAM_NS_PRIVILEGED 0x20200000 0x00001000 + { + *(privileged_data) + } +} + +; FreeRTOS System Calls: +; Start : 0x00208000 +; End : 0x00209000 - 1 +; Size : 4 Kbytes +LR_IROM_NS_FREERTOS_SYSTEM_CALLS 0x00208000 0x00001000 ; load region size_region +{ + ER_IROM_NS_FREERTOS_SYSTEM_CALLS +0 ; load address = execution address + { + *(freertos_system_calls) + } +} + +; Unprivileged Code: +; Start : 0x00209000 +; End : 0x00400000 - 1 +; Size : 2012 Kbytes +; +; Unprivileged Data: +; Start : 0x20201000 +; End : 0x20220000 - 1 +; Size : 124 Kbytes +LR_IROM_NS_UNPRIVILEGED 0x00209000 0x001F7000 ; load region size_region +{ + ER_IROM_NS_UNPRIVILEGED +0 ; load address = execution address + { + *(+RO) + } + + ER_IRAM_NS_UNPRIVILEGED 0x20201000 0x0001F000 + { + *(+RW, +ZI) + } +} diff --git a/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/FreeRTOSDemo_ns.uvoptx b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/FreeRTOSDemo_ns.uvoptx new file mode 100644 index 000000000..79797eb5d --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/FreeRTOSDemo_ns.uvoptx @@ -0,0 +1,474 @@ + + + + 1.0 + +
### uVision Project, (C) Keil Software
+ + + *.c + *.s*; *.src; *.a* + *.obj; *.o + *.lib + *.txt; *.h; *.inc + *.plm + *.cpp + 0 + + + + 0 + 0 + + + + FVP Simulation Model + 0x4 + ARM-ADS + + 12000000 + + 1 + 1 + 0 + 1 + 0 + + + 1 + 65535 + 0 + 0 + 0 + + + 79 + 66 + 8 + .\Listings\ + + + 1 + 1 + 1 + 0 + 1 + 1 + 0 + 1 + 0 + 0 + 0 + 0 + + + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 0 + + + 0 + 0 + 1 + + 7 + + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 0 + 0 + 1 + 15 + + + + + + + + + + ..\Debug.ini + BIN\DbgFMv8M.DLL + + + + 0 + DLGTARM + (6010=70,43,547,639,0)(6018=1091,145,1280,478,0)(6019=1091,137,1280,457,0)(6008=-1,-1,-1,-1,0)(6009=-1,-1,-1,-1,0)(6014=1022,0,1280,731,0)(6015=777,40,1035,662,1)(6003=207,84,780,620,1)(6000=-1,-1,-1,-1,0) + + + 0 + ARMDBGFLAGS + + + + 0 + DLGUARM + (105=-1,-1,-1,-1,0)(106=-1,-1,-1,-1,0)(107=-1,-1,-1,-1,0) + + + 0 + DbgFMv8M + -I -S -L"cpu0" -O4102 -C0 -MC".\FVP\MPS2_Cortex-M\FVP_MPS2_Cortex-M33_MDK.exe" -MF"..\ARMCM33_DSP_FP_TZ_config.txt" -MA + + + 0 + UL2V8M + UL2V8M(-S0 -C0 -P0 -FD20000000 -FC1000) + + + + + 0 + + + 0 + 0 + 1 + 0 + 0 + 0 + 0 + 1 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + + + + 0 + 0 + 0 + + + + + + + + + + + + + CMSE Library + 0 + 0 + 0 + 0 + + 1 + 1 + 3 + 0 + 0 + 0 + ..\Secure\Objects\FreeRTOSDemo_s_CMSE_Lib.o + FreeRTOSDemo_s_CMSE_Lib.o + 0 + 0 + + + + + FreeRTOS + 0 + 0 + 0 + 0 + + 2 + 2 + 1 + 0 + 0 + 0 + ..\..\..\Source\event_groups.c + event_groups.c + 0 + 0 + + + 2 + 3 + 1 + 0 + 0 + 0 + ..\..\..\Source\list.c + list.c + 0 + 0 + + + 2 + 4 + 1 + 0 + 0 + 0 + ..\..\..\Source\queue.c + queue.c + 0 + 0 + + + 2 + 5 + 1 + 0 + 0 + 0 + ..\..\..\Source\stream_buffer.c + stream_buffer.c + 0 + 0 + + + 2 + 6 + 1 + 0 + 0 + 0 + ..\..\..\Source\tasks.c + tasks.c + 0 + 0 + + + 2 + 7 + 1 + 0 + 0 + 0 + ..\..\..\Source\timers.c + timers.c + 0 + 0 + + + 2 + 8 + 1 + 0 + 0 + 0 + ..\..\..\Source\portable\MemMang\heap_4.c + heap_4.c + 0 + 0 + + + 2 + 9 + 1 + 0 + 0 + 0 + ..\..\..\Source\portable\Common\mpu_wrappers.c + mpu_wrappers.c + 0 + 0 + + + 2 + 10 + 1 + 0 + 0 + 0 + ..\..\..\Source\portable\GCC\ARM_CM33\non_secure\port.c + port.c + 0 + 0 + + + 2 + 11 + 5 + 0 + 0 + 0 + ..\..\..\Source\portable\GCC\ARM_CM33\non_secure\portasm.h + portasm.h + 0 + 0 + + + 2 + 12 + 5 + 0 + 0 + 0 + ..\..\..\Source\portable\GCC\ARM_CM33\non_secure\portmacro.h + portmacro.h + 0 + 0 + + + 2 + 13 + 1 + 0 + 0 + 0 + ..\..\..\Source\portable\GCC\ARM_CM33\non_secure\portasm.c + portasm.c + 0 + 0 + + + + + Config + 0 + 0 + 0 + 0 + + 3 + 14 + 5 + 0 + 0 + 0 + ..\Config\FreeRTOSConfig.h + FreeRTOSConfig.h + 0 + 0 + + + + + Demos + 0 + 0 + 0 + 0 + + 4 + 15 + 5 + 0 + 0 + 0 + ..\..\Common\ARMv8M\mpu_demo\mpu_demo.h + mpu_demo.h + 0 + 0 + + + 4 + 16 + 1 + 0 + 0 + 0 + ..\..\Common\ARMv8M\mpu_demo\mpu_demo.c + mpu_demo.c + 0 + 0 + + + 4 + 17 + 5 + 0 + 0 + 0 + ..\..\Common\ARMv8M\tz_demo\tz_demo.h + tz_demo.h + 0 + 0 + + + 4 + 18 + 1 + 0 + 0 + 0 + ..\..\Common\ARMv8M\tz_demo\tz_demo.c + tz_demo.c + 0 + 0 + + + + + User + 0 + 0 + 0 + 0 + + 5 + 19 + 1 + 0 + 0 + 0 + .\main_ns.c + main_ns.c + 0 + 0 + + + + + ::CMSIS + 0 + 0 + 0 + 1 + + + + ::Device + 0 + 0 + 0 + 1 + + + diff --git a/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/FreeRTOSDemo_ns.uvprojx b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/FreeRTOSDemo_ns.uvprojx new file mode 100644 index 000000000..f7186cb0f --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/FreeRTOSDemo_ns.uvprojx @@ -0,0 +1,626 @@ + + + + 2.1 + +
### uVision Project, (C) Keil Software
+ + + + FVP Simulation Model + 0x4 + ARM-ADS + 6070000::V6.7::.\ARMCLANG + 1 + + + ARMCM33_DSP_FP_TZ + ARM + ARM.CMSIS.5.4.0 + http://www.keil.com/pack/ + IRAM(0x20000000,0x00020000) IRAM2(0x20200000,0x00020000) IROM(0x00000000,0x00200000) IROM2(0x00200000,0x00200000) CPUTYPE("Cortex-M33") FPU3(SFPU) DSP TZ CLOCK(12000000) ESEL ELITTLE + + + UL2V8M(-S0 -C0 -P0 -FD20000000 -FC1000) + 0 + $$Device:ARMCM33_DSP_FP_TZ$Device\ARM\ARMCM33\Include\ARMCM33_DSP_FP_TZ.h + + + + + + + + + + $$Device:ARMCM33_DSP_FP_TZ$Device\ARM\SVD\ARMCM33.svd + 0 + 0 + + + + + + + 0 + 0 + 0 + 0 + 1 + + .\Objects\ + FreeRTOSDemo_ns + 1 + 0 + 0 + 1 + 1 + .\Listings\ + 1 + 0 + 0 + + 0 + 0 + + + 0 + 0 + 0 + 0 + + + 0 + 0 + + + 0 + 0 + 0 + 0 + + + 0 + 0 + + + 0 + 0 + 0 + 0 + + 1 + + + + 0 + 0 + 0 + 0 + 0 + 1 + 0 + 0 + 0 + 0 + 3 + + + 1 + + + + + + + SARMV8M.DLL + -MPU + TCM.DLL + -pCM33 + + + + 1 + 0 + 0 + 0 + 16 + + + + + 1 + 0 + 0 + 1 + 1 + 4099 + + 1 + BIN\UL2V8M.DLL + "" () + + + + + 0 + + + + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 0 + 1 + 1 + 0 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 0 + "Cortex-M33" + + 0 + 0 + 0 + 1 + 1 + 0 + 0 + 2 + 1 + 1 + 16 + 0 + 1 + 0 + 0 + 4 + 3 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 1 + 0 + 0 + 0 + 0 + 1 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x20000000 + 0x20000 + + + 1 + 0x0 + 0x200000 + + + 0 + 0x0 + 0x0 + + + 1 + 0x0 + 0x0 + + + 1 + 0x0 + 0x0 + + + 1 + 0x0 + 0x0 + + + 1 + 0x0 + 0x200000 + + + 1 + 0x200000 + 0x200000 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x20000000 + 0x20000 + + + 0 + 0x20200000 + 0x20000 + + + + + + 1 + 2 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 3 + 1 + 1 + 1 + 0 + 0 + 0 + + + + + ..\Config;..\..\Common\ARMv8M\tz_demo;..\..\Common\ARMv8M\mpu_demo;..\..\..\Source\include;..\..\..\Source\portable\GCC\ARM_CM33\secure;..\..\..\Source\portable\GCC\ARM_CM33\non_secure + + + + 1 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + + + + + + + + + 0 + 0 + 0 + 0 + 1 + 0 + 0x00000000 + 0x20000000 + + .\FreeRTOSDemo_ns.sct + + + + + + + + + + + CMSE Library + + + FreeRTOSDemo_s_CMSE_Lib.o + 3 + ..\Secure\Objects\FreeRTOSDemo_s_CMSE_Lib.o + + + + + FreeRTOS + + + event_groups.c + 1 + ..\..\..\Source\event_groups.c + + + list.c + 1 + ..\..\..\Source\list.c + + + queue.c + 1 + ..\..\..\Source\queue.c + + + stream_buffer.c + 1 + ..\..\..\Source\stream_buffer.c + + + tasks.c + 1 + ..\..\..\Source\tasks.c + + + timers.c + 1 + ..\..\..\Source\timers.c + + + heap_4.c + 1 + ..\..\..\Source\portable\MemMang\heap_4.c + + + mpu_wrappers.c + 1 + ..\..\..\Source\portable\Common\mpu_wrappers.c + + + port.c + 1 + ..\..\..\Source\portable\GCC\ARM_CM33\non_secure\port.c + + + portasm.h + 5 + ..\..\..\Source\portable\GCC\ARM_CM33\non_secure\portasm.h + + + portmacro.h + 5 + ..\..\..\Source\portable\GCC\ARM_CM33\non_secure\portmacro.h + + + portasm.c + 1 + ..\..\..\Source\portable\GCC\ARM_CM33\non_secure\portasm.c + + + + + Config + + + FreeRTOSConfig.h + 5 + ..\Config\FreeRTOSConfig.h + + + + + Demos + + + mpu_demo.h + 5 + ..\..\Common\ARMv8M\mpu_demo\mpu_demo.h + + + mpu_demo.c + 1 + ..\..\Common\ARMv8M\mpu_demo\mpu_demo.c + + + tz_demo.h + 5 + ..\..\Common\ARMv8M\tz_demo\tz_demo.h + + + tz_demo.c + 1 + ..\..\Common\ARMv8M\tz_demo\tz_demo.c + + + + + User + + + main_ns.c + 1 + .\main_ns.c + + + + + ::CMSIS + + + ::Device + + + + + + + + + + + + + + + + + + + + + + + + RTE\Device\ARMCM33_DSP_FP\startup_ARMCM33.s + + + + + + RTE\Device\ARMCM33_DSP_FP\system_ARMCM33.c + + + + + + RTE\Device\ARMCM33_DSP_FP_TZ\partition_ARMCM33.h + + + + + + + + RTE\Device\ARMCM33_DSP_FP_TZ\startup_ARMCM33.s + + + + + + + + RTE\Device\ARMCM33_DSP_FP_TZ\system_ARMCM33.c + + + + + + + + RTE\Device\ARMCM33_TZ\partition_ARMCM33.h + + + + + + RTE\Device\ARMCM33_TZ\startup_ARMCM33.s + + + + + + RTE\Device\ARMCM33_TZ\system_ARMCM33.c + + + + + + RTE\Device\ARMv8MBL\partition_ARMv8MBL.h + + + + + + RTE\Device\ARMv8MBL\startup_ARMv8MBL.s + + + + + + RTE\Device\ARMv8MBL\system_ARMv8MBL.c + + + + + + RTE\Device\CMSDK_ARMv8MBL\RTE_Device.h + + + + + + RTE\Device\CMSDK_ARMv8MBL\partition_CMSDK_ARMv8MBL.h + + + + + + RTE\Device\CMSDK_ARMv8MBL\startup_CMSDK_ARMv8MBL.s + + + + + + RTE\Device\CMSDK_ARMv8MBL\system_CMSDK_ARMv8MBL.c + + + + + + + + diff --git a/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/RTE/Device/ARMCM33_DSP_FP_TZ/partition_ARMCM33.h b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/RTE/Device/ARMCM33_DSP_FP_TZ/partition_ARMCM33.h new file mode 100644 index 000000000..9f104f57f --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/RTE/Device/ARMCM33_DSP_FP_TZ/partition_ARMCM33.h @@ -0,0 +1,1260 @@ +/**************************************************************************//** + * @file partition_ARMCM33.h + * @brief CMSIS-CORE Initial Setup for Secure / Non-Secure Zones for ARMCM33 + * @version V5.0.1 + * @date 07. December 2016 + ******************************************************************************/ +/* + * Copyright (c) 2009-2016 ARM Limited. All rights reserved. + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the License); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef PARTITION_ARMCM33_H +#define PARTITION_ARMCM33_H + +/* +//-------- <<< Use Configuration Wizard in Context Menu >>> ----------------- +*/ + +/* +// Initialize Security Attribution Unit (SAU) CTRL register +*/ +#define SAU_INIT_CTRL 1 + +/* +// Enable SAU +// Value for SAU->CTRL register bit ENABLE +*/ +#define SAU_INIT_CTRL_ENABLE 1 + +/* +// When SAU is disabled +// <0=> All Memory is Secure +// <1=> All Memory is Non-Secure +// Value for SAU->CTRL register bit ALLNS +// When all Memory is Non-Secure (ALLNS is 1), IDAU can override memory map configuration. +*/ +#define SAU_INIT_CTRL_ALLNS 0 + +/* +// +*/ + +/* +// Initialize Security Attribution Unit (SAU) Address Regions +// SAU configuration specifies regions to be one of: +// - Secure and Non-Secure Callable +// - Non-Secure +// Note: All memory regions not configured by SAU are Secure +*/ +#define SAU_REGIONS_MAX 8 /* Max. number of SAU regions */ + +/* +// Initialize SAU Region 0 +// Setup SAU Region 0 memory attributes +*/ +#define SAU_INIT_REGION0 1 + +/* +// Start Address <0-0xFFFFFFE0> +*/ +#define SAU_INIT_START0 0x00000000 /* start address of SAU region 0 */ + +/* +// End Address <0x1F-0xFFFFFFFF> +*/ +#define SAU_INIT_END0 0x001FFFFF /* end address of SAU region 0 */ + +/* +// Region is +// <0=>Non-Secure +// <1=>Secure, Non-Secure Callable +*/ +#define SAU_INIT_NSC0 1 +/* +// +*/ + +/* +// Initialize SAU Region 1 +// Setup SAU Region 1 memory attributes +*/ +#define SAU_INIT_REGION1 1 + +/* +// Start Address <0-0xFFFFFFE0> +*/ +#define SAU_INIT_START1 0x00200000 + +/* +// End Address <0x1F-0xFFFFFFFF> +*/ +#define SAU_INIT_END1 0x003FFFFF + +/* +// Region is +// <0=>Non-Secure +// <1=>Secure, Non-Secure Callable +*/ +#define SAU_INIT_NSC1 0 +/* +// +*/ + +/* +// Initialize SAU Region 2 +// Setup SAU Region 2 memory attributes +*/ +#define SAU_INIT_REGION2 1 + +/* +// Start Address <0-0xFFFFFFE0> +*/ +#define SAU_INIT_START2 0x20200000 + +/* +// End Address <0x1F-0xFFFFFFFF> +*/ +#define SAU_INIT_END2 0x203FFFFF + +/* +// Region is +// <0=>Non-Secure +// <1=>Secure, Non-Secure Callable +*/ +#define SAU_INIT_NSC2 0 +/* +// +*/ + +/* +// Initialize SAU Region 3 +// Setup SAU Region 3 memory attributes +*/ +#define SAU_INIT_REGION3 1 + +/* +// Start Address <0-0xFFFFFFE0> +*/ +#define SAU_INIT_START3 0x40000000 + +/* +// End Address <0x1F-0xFFFFFFFF> +*/ +#define SAU_INIT_END3 0x40040000 + +/* +// Region is +// <0=>Non-Secure +// <1=>Secure, Non-Secure Callable +*/ +#define SAU_INIT_NSC3 0 +/* +// +*/ + +/* +// Initialize SAU Region 4 +// Setup SAU Region 4 memory attributes +*/ +#define SAU_INIT_REGION4 0 + +/* +// Start Address <0-0xFFFFFFE0> +*/ +#define SAU_INIT_START4 0x00000000 /* start address of SAU region 4 */ + +/* +// End Address <0x1F-0xFFFFFFFF> +*/ +#define SAU_INIT_END4 0x00000000 /* end address of SAU region 4 */ + +/* +// Region is +// <0=>Non-Secure +// <1=>Secure, Non-Secure Callable +*/ +#define SAU_INIT_NSC4 0 +/* +// +*/ + +/* +// Initialize SAU Region 5 +// Setup SAU Region 5 memory attributes +*/ +#define SAU_INIT_REGION5 0 + +/* +// Start Address <0-0xFFFFFFE0> +*/ +#define SAU_INIT_START5 0x00000000 + +/* +// End Address <0x1F-0xFFFFFFFF> +*/ +#define SAU_INIT_END5 0x00000000 + +/* +// Region is +// <0=>Non-Secure +// <1=>Secure, Non-Secure Callable +*/ +#define SAU_INIT_NSC5 0 +/* +// +*/ + +/* +// Initialize SAU Region 6 +// Setup SAU Region 6 memory attributes +*/ +#define SAU_INIT_REGION6 0 + +/* +// Start Address <0-0xFFFFFFE0> +*/ +#define SAU_INIT_START6 0x00000000 + +/* +// End Address <0x1F-0xFFFFFFFF> +*/ +#define SAU_INIT_END6 0x00000000 + +/* +// Region is +// <0=>Non-Secure +// <1=>Secure, Non-Secure Callable +*/ +#define SAU_INIT_NSC6 0 +/* +// +*/ + +/* +// Initialize SAU Region 7 +// Setup SAU Region 7 memory attributes +*/ +#define SAU_INIT_REGION7 0 + +/* +// Start Address <0-0xFFFFFFE0> +*/ +#define SAU_INIT_START7 0x00000000 + +/* +// End Address <0x1F-0xFFFFFFFF> +*/ +#define SAU_INIT_END7 0x00000000 + +/* +// Region is +// <0=>Non-Secure +// <1=>Secure, Non-Secure Callable +*/ +#define SAU_INIT_NSC7 0 +/* +// +*/ + +/* +// +*/ + +/* +// Setup behaviour of Sleep and Exception Handling +*/ +#define SCB_CSR_AIRCR_INIT 1 + +/* +// Deep Sleep can be enabled by +// <0=>Secure and Non-Secure state +// <1=>Secure state only +// Value for SCB->CSR register bit DEEPSLEEPS +*/ +#define SCB_CSR_DEEPSLEEPS_VAL 1 + +/* +// System reset request accessible from +// <0=> Secure and Non-Secure state +// <1=> Secure state only +// Value for SCB->AIRCR register bit SYSRESETREQS +*/ +#define SCB_AIRCR_SYSRESETREQS_VAL 1 + +/* +// Priority of Non-Secure exceptions is +// <0=> Not altered +// <1=> Lowered to 0x80-0xFF +// Value for SCB->AIRCR register bit PRIS +*/ +#define SCB_AIRCR_PRIS_VAL 1 + +/* +// BusFault, HardFault, and NMI target +// <0=> Secure state +// <1=> Non-Secure state +// Value for SCB->AIRCR register bit BFHFNMINS +*/ +#define SCB_AIRCR_BFHFNMINS_VAL 1 + +/* +// +*/ + +/* +// Setup behaviour of Floating Point Unit +*/ +#define TZ_FPU_NS_USAGE 1 + +/* +// Floating Point Unit usage +// <0=> Secure state only +// <3=> Secure and Non-Secure state +// Value for SCB->NSACR register bits CP10, CP11 +*/ +#define SCB_NSACR_CP10_11_VAL 3 + +/* +// Treat floating-point registers as Secure +// <0=> Disabled +// <1=> Enabled +// Value for FPU->FPCCR register bit TS +*/ +#define FPU_FPCCR_TS_VAL 0 + +/* +// Clear on return (CLRONRET) accessibility +// <0=> Secure and Non-Secure state +// <1=> Secure state only +// Value for FPU->FPCCR register bit CLRONRETS +*/ +#define FPU_FPCCR_CLRONRETS_VAL 0 + +/* +// Clear floating-point caller saved registers on exception return +// <0=> Disabled +// <1=> Enabled +// Value for FPU->FPCCR register bit CLRONRET +*/ +#define FPU_FPCCR_CLRONRET_VAL 1 + +/* +// +*/ + +/* +// Setup Interrupt Target +*/ + +/* +// Initialize ITNS 0 (Interrupts 0..31) +*/ +#define NVIC_INIT_ITNS0 1 + +/* +// Interrupts 0..31 +// Interrupt 0 <0=> Secure state <1=> Non-Secure state +// Interrupt 1 <0=> Secure state <1=> Non-Secure state +// Interrupt 2 <0=> Secure state <1=> Non-Secure state +// Interrupt 3 <0=> Secure state <1=> Non-Secure state +// Interrupt 4 <0=> Secure state <1=> Non-Secure state +// Interrupt 5 <0=> Secure state <1=> Non-Secure state +// Interrupt 6 <0=> Secure state <1=> Non-Secure state +// Interrupt 7 <0=> Secure state <1=> Non-Secure state +// Interrupt 8 <0=> Secure state <1=> Non-Secure state +// Interrupt 9 <0=> Secure state <1=> Non-Secure state +// Interrupt 10 <0=> Secure state <1=> Non-Secure state +// Interrupt 11 <0=> Secure state <1=> Non-Secure state +// Interrupt 12 <0=> Secure state <1=> Non-Secure state +// Interrupt 13 <0=> Secure state <1=> Non-Secure state +// Interrupt 14 <0=> Secure state <1=> Non-Secure state +// Interrupt 15 <0=> Secure state <1=> Non-Secure state +// Interrupt 16 <0=> Secure state <1=> Non-Secure state +// Interrupt 17 <0=> Secure state <1=> Non-Secure state +// Interrupt 18 <0=> Secure state <1=> Non-Secure state +// Interrupt 19 <0=> Secure state <1=> Non-Secure state +// Interrupt 20 <0=> Secure state <1=> Non-Secure state +// Interrupt 21 <0=> Secure state <1=> Non-Secure state +// Interrupt 22 <0=> Secure state <1=> Non-Secure state +// Interrupt 23 <0=> Secure state <1=> Non-Secure state +// Interrupt 24 <0=> Secure state <1=> Non-Secure state +// Interrupt 25 <0=> Secure state <1=> Non-Secure state +// Interrupt 26 <0=> Secure state <1=> Non-Secure state +// Interrupt 27 <0=> Secure state <1=> Non-Secure state +// Interrupt 28 <0=> Secure state <1=> Non-Secure state +// Interrupt 29 <0=> Secure state <1=> Non-Secure state +// Interrupt 30 <0=> Secure state <1=> Non-Secure state +// Interrupt 31 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS0_VAL 0x0000122B + +/* +// +*/ + +/* +// Initialize ITNS 1 (Interrupts 32..63) +*/ +#define NVIC_INIT_ITNS1 1 + +/* +// Interrupts 32..63 +// Interrupt 32 <0=> Secure state <1=> Non-Secure state +// Interrupt 33 <0=> Secure state <1=> Non-Secure state +// Interrupt 34 <0=> Secure state <1=> Non-Secure state +// Interrupt 35 <0=> Secure state <1=> Non-Secure state +// Interrupt 36 <0=> Secure state <1=> Non-Secure state +// Interrupt 37 <0=> Secure state <1=> Non-Secure state +// Interrupt 38 <0=> Secure state <1=> Non-Secure state +// Interrupt 39 <0=> Secure state <1=> Non-Secure state +// Interrupt 40 <0=> Secure state <1=> Non-Secure state +// Interrupt 41 <0=> Secure state <1=> Non-Secure state +// Interrupt 42 <0=> Secure state <1=> Non-Secure state +// Interrupt 43 <0=> Secure state <1=> Non-Secure state +// Interrupt 44 <0=> Secure state <1=> Non-Secure state +// Interrupt 45 <0=> Secure state <1=> Non-Secure state +// Interrupt 46 <0=> Secure state <1=> Non-Secure state +// Interrupt 47 <0=> Secure state <1=> Non-Secure state +// Interrupt 48 <0=> Secure state <1=> Non-Secure state +// Interrupt 49 <0=> Secure state <1=> Non-Secure state +// Interrupt 50 <0=> Secure state <1=> Non-Secure state +// Interrupt 51 <0=> Secure state <1=> Non-Secure state +// Interrupt 52 <0=> Secure state <1=> Non-Secure state +// Interrupt 53 <0=> Secure state <1=> Non-Secure state +// Interrupt 54 <0=> Secure state <1=> Non-Secure state +// Interrupt 55 <0=> Secure state <1=> Non-Secure state +// Interrupt 56 <0=> Secure state <1=> Non-Secure state +// Interrupt 57 <0=> Secure state <1=> Non-Secure state +// Interrupt 58 <0=> Secure state <1=> Non-Secure state +// Interrupt 59 <0=> Secure state <1=> Non-Secure state +// Interrupt 60 <0=> Secure state <1=> Non-Secure state +// Interrupt 61 <0=> Secure state <1=> Non-Secure state +// Interrupt 62 <0=> Secure state <1=> Non-Secure state +// Interrupt 63 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS1_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 2 (Interrupts 64..95) +*/ +#define NVIC_INIT_ITNS2 0 + +/* +// Interrupts 64..95 +// Interrupt 64 <0=> Secure state <1=> Non-Secure state +// Interrupt 65 <0=> Secure state <1=> Non-Secure state +// Interrupt 66 <0=> Secure state <1=> Non-Secure state +// Interrupt 67 <0=> Secure state <1=> Non-Secure state +// Interrupt 68 <0=> Secure state <1=> Non-Secure state +// Interrupt 69 <0=> Secure state <1=> Non-Secure state +// Interrupt 70 <0=> Secure state <1=> Non-Secure state +// Interrupt 71 <0=> Secure state <1=> Non-Secure state +// Interrupt 72 <0=> Secure state <1=> Non-Secure state +// Interrupt 73 <0=> Secure state <1=> Non-Secure state +// Interrupt 74 <0=> Secure state <1=> Non-Secure state +// Interrupt 75 <0=> Secure state <1=> Non-Secure state +// Interrupt 76 <0=> Secure state <1=> Non-Secure state +// Interrupt 77 <0=> Secure state <1=> Non-Secure state +// Interrupt 78 <0=> Secure state <1=> Non-Secure state +// Interrupt 79 <0=> Secure state <1=> Non-Secure state +// Interrupt 80 <0=> Secure state <1=> Non-Secure state +// Interrupt 81 <0=> Secure state <1=> Non-Secure state +// Interrupt 82 <0=> Secure state <1=> Non-Secure state +// Interrupt 83 <0=> Secure state <1=> Non-Secure state +// Interrupt 84 <0=> Secure state <1=> Non-Secure state +// Interrupt 85 <0=> Secure state <1=> Non-Secure state +// Interrupt 86 <0=> Secure state <1=> Non-Secure state +// Interrupt 87 <0=> Secure state <1=> Non-Secure state +// Interrupt 88 <0=> Secure state <1=> Non-Secure state +// Interrupt 89 <0=> Secure state <1=> Non-Secure state +// Interrupt 90 <0=> Secure state <1=> Non-Secure state +// Interrupt 91 <0=> Secure state <1=> Non-Secure state +// Interrupt 92 <0=> Secure state <1=> Non-Secure state +// Interrupt 93 <0=> Secure state <1=> Non-Secure state +// Interrupt 94 <0=> Secure state <1=> Non-Secure state +// Interrupt 95 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS2_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 3 (Interrupts 96..127) +*/ +#define NVIC_INIT_ITNS3 0 + +/* +// Interrupts 96..127 +// Interrupt 96 <0=> Secure state <1=> Non-Secure state +// Interrupt 97 <0=> Secure state <1=> Non-Secure state +// Interrupt 98 <0=> Secure state <1=> Non-Secure state +// Interrupt 99 <0=> Secure state <1=> Non-Secure state +// Interrupt 100 <0=> Secure state <1=> Non-Secure state +// Interrupt 101 <0=> Secure state <1=> Non-Secure state +// Interrupt 102 <0=> Secure state <1=> Non-Secure state +// Interrupt 103 <0=> Secure state <1=> Non-Secure state +// Interrupt 104 <0=> Secure state <1=> Non-Secure state +// Interrupt 105 <0=> Secure state <1=> Non-Secure state +// Interrupt 106 <0=> Secure state <1=> Non-Secure state +// Interrupt 107 <0=> Secure state <1=> Non-Secure state +// Interrupt 108 <0=> Secure state <1=> Non-Secure state +// Interrupt 109 <0=> Secure state <1=> Non-Secure state +// Interrupt 110 <0=> Secure state <1=> Non-Secure state +// Interrupt 111 <0=> Secure state <1=> Non-Secure state +// Interrupt 112 <0=> Secure state <1=> Non-Secure state +// Interrupt 113 <0=> Secure state <1=> Non-Secure state +// Interrupt 114 <0=> Secure state <1=> Non-Secure state +// Interrupt 115 <0=> Secure state <1=> Non-Secure state +// Interrupt 116 <0=> Secure state <1=> Non-Secure state +// Interrupt 117 <0=> Secure state <1=> Non-Secure state +// Interrupt 118 <0=> Secure state <1=> Non-Secure state +// Interrupt 119 <0=> Secure state <1=> Non-Secure state +// Interrupt 120 <0=> Secure state <1=> Non-Secure state +// Interrupt 121 <0=> Secure state <1=> Non-Secure state +// Interrupt 122 <0=> Secure state <1=> Non-Secure state +// Interrupt 123 <0=> Secure state <1=> Non-Secure state +// Interrupt 124 <0=> Secure state <1=> Non-Secure state +// Interrupt 125 <0=> Secure state <1=> Non-Secure state +// Interrupt 126 <0=> Secure state <1=> Non-Secure state +// Interrupt 127 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS3_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 4 (Interrupts 128..159) +*/ +#define NVIC_INIT_ITNS4 0 + +/* +// Interrupts 128..159 +// Interrupt 128 <0=> Secure state <1=> Non-Secure state +// Interrupt 129 <0=> Secure state <1=> Non-Secure state +// Interrupt 130 <0=> Secure state <1=> Non-Secure state +// Interrupt 131 <0=> Secure state <1=> Non-Secure state +// Interrupt 132 <0=> Secure state <1=> Non-Secure state +// Interrupt 133 <0=> Secure state <1=> Non-Secure state +// Interrupt 134 <0=> Secure state <1=> Non-Secure state +// Interrupt 135 <0=> Secure state <1=> Non-Secure state +// Interrupt 136 <0=> Secure state <1=> Non-Secure state +// Interrupt 137 <0=> Secure state <1=> Non-Secure state +// Interrupt 138 <0=> Secure state <1=> Non-Secure state +// Interrupt 139 <0=> Secure state <1=> Non-Secure state +// Interrupt 140 <0=> Secure state <1=> Non-Secure state +// Interrupt 141 <0=> Secure state <1=> Non-Secure state +// Interrupt 142 <0=> Secure state <1=> Non-Secure state +// Interrupt 143 <0=> Secure state <1=> Non-Secure state +// Interrupt 144 <0=> Secure state <1=> Non-Secure state +// Interrupt 145 <0=> Secure state <1=> Non-Secure state +// Interrupt 146 <0=> Secure state <1=> Non-Secure state +// Interrupt 147 <0=> Secure state <1=> Non-Secure state +// Interrupt 148 <0=> Secure state <1=> Non-Secure state +// Interrupt 149 <0=> Secure state <1=> Non-Secure state +// Interrupt 150 <0=> Secure state <1=> Non-Secure state +// Interrupt 151 <0=> Secure state <1=> Non-Secure state +// Interrupt 152 <0=> Secure state <1=> Non-Secure state +// Interrupt 153 <0=> Secure state <1=> Non-Secure state +// Interrupt 154 <0=> Secure state <1=> Non-Secure state +// Interrupt 155 <0=> Secure state <1=> Non-Secure state +// Interrupt 156 <0=> Secure state <1=> Non-Secure state +// Interrupt 157 <0=> Secure state <1=> Non-Secure state +// Interrupt 158 <0=> Secure state <1=> Non-Secure state +// Interrupt 159 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS4_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 5 (Interrupts 160..191) +*/ +#define NVIC_INIT_ITNS5 0 + +/* +// Interrupts 160..191 +// Interrupt 160 <0=> Secure state <1=> Non-Secure state +// Interrupt 161 <0=> Secure state <1=> Non-Secure state +// Interrupt 162 <0=> Secure state <1=> Non-Secure state +// Interrupt 163 <0=> Secure state <1=> Non-Secure state +// Interrupt 164 <0=> Secure state <1=> Non-Secure state +// Interrupt 165 <0=> Secure state <1=> Non-Secure state +// Interrupt 166 <0=> Secure state <1=> Non-Secure state +// Interrupt 167 <0=> Secure state <1=> Non-Secure state +// Interrupt 168 <0=> Secure state <1=> Non-Secure state +// Interrupt 169 <0=> Secure state <1=> Non-Secure state +// Interrupt 170 <0=> Secure state <1=> Non-Secure state +// Interrupt 171 <0=> Secure state <1=> Non-Secure state +// Interrupt 172 <0=> Secure state <1=> Non-Secure state +// Interrupt 173 <0=> Secure state <1=> Non-Secure state +// Interrupt 174 <0=> Secure state <1=> Non-Secure state +// Interrupt 175 <0=> Secure state <1=> Non-Secure state +// Interrupt 176 <0=> Secure state <1=> Non-Secure state +// Interrupt 177 <0=> Secure state <1=> Non-Secure state +// Interrupt 178 <0=> Secure state <1=> Non-Secure state +// Interrupt 179 <0=> Secure state <1=> Non-Secure state +// Interrupt 180 <0=> Secure state <1=> Non-Secure state +// Interrupt 181 <0=> Secure state <1=> Non-Secure state +// Interrupt 182 <0=> Secure state <1=> Non-Secure state +// Interrupt 183 <0=> Secure state <1=> Non-Secure state +// Interrupt 184 <0=> Secure state <1=> Non-Secure state +// Interrupt 185 <0=> Secure state <1=> Non-Secure state +// Interrupt 186 <0=> Secure state <1=> Non-Secure state +// Interrupt 187 <0=> Secure state <1=> Non-Secure state +// Interrupt 188 <0=> Secure state <1=> Non-Secure state +// Interrupt 189 <0=> Secure state <1=> Non-Secure state +// Interrupt 190 <0=> Secure state <1=> Non-Secure state +// Interrupt 191 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS5_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 6 (Interrupts 192..223) +*/ +#define NVIC_INIT_ITNS6 0 + +/* +// Interrupts 192..223 +// Interrupt 192 <0=> Secure state <1=> Non-Secure state +// Interrupt 193 <0=> Secure state <1=> Non-Secure state +// Interrupt 194 <0=> Secure state <1=> Non-Secure state +// Interrupt 195 <0=> Secure state <1=> Non-Secure state +// Interrupt 196 <0=> Secure state <1=> Non-Secure state +// Interrupt 197 <0=> Secure state <1=> Non-Secure state +// Interrupt 198 <0=> Secure state <1=> Non-Secure state +// Interrupt 199 <0=> Secure state <1=> Non-Secure state +// Interrupt 200 <0=> Secure state <1=> Non-Secure state +// Interrupt 201 <0=> Secure state <1=> Non-Secure state +// Interrupt 202 <0=> Secure state <1=> Non-Secure state +// Interrupt 203 <0=> Secure state <1=> Non-Secure state +// Interrupt 204 <0=> Secure state <1=> Non-Secure state +// Interrupt 205 <0=> Secure state <1=> Non-Secure state +// Interrupt 206 <0=> Secure state <1=> Non-Secure state +// Interrupt 207 <0=> Secure state <1=> Non-Secure state +// Interrupt 208 <0=> Secure state <1=> Non-Secure state +// Interrupt 209 <0=> Secure state <1=> Non-Secure state +// Interrupt 210 <0=> Secure state <1=> Non-Secure state +// Interrupt 211 <0=> Secure state <1=> Non-Secure state +// Interrupt 212 <0=> Secure state <1=> Non-Secure state +// Interrupt 213 <0=> Secure state <1=> Non-Secure state +// Interrupt 214 <0=> Secure state <1=> Non-Secure state +// Interrupt 215 <0=> Secure state <1=> Non-Secure state +// Interrupt 216 <0=> Secure state <1=> Non-Secure state +// Interrupt 217 <0=> Secure state <1=> Non-Secure state +// Interrupt 218 <0=> Secure state <1=> Non-Secure state +// Interrupt 219 <0=> Secure state <1=> Non-Secure state +// Interrupt 220 <0=> Secure state <1=> Non-Secure state +// Interrupt 221 <0=> Secure state <1=> Non-Secure state +// Interrupt 222 <0=> Secure state <1=> Non-Secure state +// Interrupt 223 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS6_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 7 (Interrupts 224..255) +*/ +#define NVIC_INIT_ITNS7 0 + +/* +// Interrupts 224..255 +// Interrupt 224 <0=> Secure state <1=> Non-Secure state +// Interrupt 225 <0=> Secure state <1=> Non-Secure state +// Interrupt 226 <0=> Secure state <1=> Non-Secure state +// Interrupt 227 <0=> Secure state <1=> Non-Secure state +// Interrupt 228 <0=> Secure state <1=> Non-Secure state +// Interrupt 229 <0=> Secure state <1=> Non-Secure state +// Interrupt 230 <0=> Secure state <1=> Non-Secure state +// Interrupt 231 <0=> Secure state <1=> Non-Secure state +// Interrupt 232 <0=> Secure state <1=> Non-Secure state +// Interrupt 233 <0=> Secure state <1=> Non-Secure state +// Interrupt 234 <0=> Secure state <1=> Non-Secure state +// Interrupt 235 <0=> Secure state <1=> Non-Secure state +// Interrupt 236 <0=> Secure state <1=> Non-Secure state +// Interrupt 237 <0=> Secure state <1=> Non-Secure state +// Interrupt 238 <0=> Secure state <1=> Non-Secure state +// Interrupt 239 <0=> Secure state <1=> Non-Secure state +// Interrupt 240 <0=> Secure state <1=> Non-Secure state +// Interrupt 241 <0=> Secure state <1=> Non-Secure state +// Interrupt 242 <0=> Secure state <1=> Non-Secure state +// Interrupt 243 <0=> Secure state <1=> Non-Secure state +// Interrupt 244 <0=> Secure state <1=> Non-Secure state +// Interrupt 245 <0=> Secure state <1=> Non-Secure state +// Interrupt 246 <0=> Secure state <1=> Non-Secure state +// Interrupt 247 <0=> Secure state <1=> Non-Secure state +// Interrupt 248 <0=> Secure state <1=> Non-Secure state +// Interrupt 249 <0=> Secure state <1=> Non-Secure state +// Interrupt 250 <0=> Secure state <1=> Non-Secure state +// Interrupt 251 <0=> Secure state <1=> Non-Secure state +// Interrupt 252 <0=> Secure state <1=> Non-Secure state +// Interrupt 253 <0=> Secure state <1=> Non-Secure state +// Interrupt 254 <0=> Secure state <1=> Non-Secure state +// Interrupt 255 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS7_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 8 (Interrupts 256..287) +*/ +#define NVIC_INIT_ITNS8 0 + +/* +// Interrupts 0..31 +// Interrupt 256 <0=> Secure state <1=> Non-Secure state +// Interrupt 257 <0=> Secure state <1=> Non-Secure state +// Interrupt 258 <0=> Secure state <1=> Non-Secure state +// Interrupt 259 <0=> Secure state <1=> Non-Secure state +// Interrupt 260 <0=> Secure state <1=> Non-Secure state +// Interrupt 261 <0=> Secure state <1=> Non-Secure state +// Interrupt 262 <0=> Secure state <1=> Non-Secure state +// Interrupt 263 <0=> Secure state <1=> Non-Secure state +// Interrupt 264 <0=> Secure state <1=> Non-Secure state +// Interrupt 265 <0=> Secure state <1=> Non-Secure state +// Interrupt 266 <0=> Secure state <1=> Non-Secure state +// Interrupt 267 <0=> Secure state <1=> Non-Secure state +// Interrupt 268 <0=> Secure state <1=> Non-Secure state +// Interrupt 269 <0=> Secure state <1=> Non-Secure state +// Interrupt 270 <0=> Secure state <1=> Non-Secure state +// Interrupt 271 <0=> Secure state <1=> Non-Secure state +// Interrupt 272 <0=> Secure state <1=> Non-Secure state +// Interrupt 273 <0=> Secure state <1=> Non-Secure state +// Interrupt 274 <0=> Secure state <1=> Non-Secure state +// Interrupt 275 <0=> Secure state <1=> Non-Secure state +// Interrupt 276 <0=> Secure state <1=> Non-Secure state +// Interrupt 277 <0=> Secure state <1=> Non-Secure state +// Interrupt 278 <0=> Secure state <1=> Non-Secure state +// Interrupt 279 <0=> Secure state <1=> Non-Secure state +// Interrupt 280 <0=> Secure state <1=> Non-Secure state +// Interrupt 281 <0=> Secure state <1=> Non-Secure state +// Interrupt 282 <0=> Secure state <1=> Non-Secure state +// Interrupt 283 <0=> Secure state <1=> Non-Secure state +// Interrupt 284 <0=> Secure state <1=> Non-Secure state +// Interrupt 285 <0=> Secure state <1=> Non-Secure state +// Interrupt 286 <0=> Secure state <1=> Non-Secure state +// Interrupt 287 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS8_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 9 (Interrupts 288..319) +*/ +#define NVIC_INIT_ITNS9 0 + +/* +// Interrupts 32..63 +// Interrupt 288 <0=> Secure state <1=> Non-Secure state +// Interrupt 289 <0=> Secure state <1=> Non-Secure state +// Interrupt 290 <0=> Secure state <1=> Non-Secure state +// Interrupt 291 <0=> Secure state <1=> Non-Secure state +// Interrupt 292 <0=> Secure state <1=> Non-Secure state +// Interrupt 293 <0=> Secure state <1=> Non-Secure state +// Interrupt 294 <0=> Secure state <1=> Non-Secure state +// Interrupt 295 <0=> Secure state <1=> Non-Secure state +// Interrupt 296 <0=> Secure state <1=> Non-Secure state +// Interrupt 297 <0=> Secure state <1=> Non-Secure state +// Interrupt 298 <0=> Secure state <1=> Non-Secure state +// Interrupt 299 <0=> Secure state <1=> Non-Secure state +// Interrupt 300 <0=> Secure state <1=> Non-Secure state +// Interrupt 301 <0=> Secure state <1=> Non-Secure state +// Interrupt 302 <0=> Secure state <1=> Non-Secure state +// Interrupt 303 <0=> Secure state <1=> Non-Secure state +// Interrupt 304 <0=> Secure state <1=> Non-Secure state +// Interrupt 305 <0=> Secure state <1=> Non-Secure state +// Interrupt 306 <0=> Secure state <1=> Non-Secure state +// Interrupt 307 <0=> Secure state <1=> Non-Secure state +// Interrupt 308 <0=> Secure state <1=> Non-Secure state +// Interrupt 309 <0=> Secure state <1=> Non-Secure state +// Interrupt 310 <0=> Secure state <1=> Non-Secure state +// Interrupt 311 <0=> Secure state <1=> Non-Secure state +// Interrupt 312 <0=> Secure state <1=> Non-Secure state +// Interrupt 313 <0=> Secure state <1=> Non-Secure state +// Interrupt 314 <0=> Secure state <1=> Non-Secure state +// Interrupt 315 <0=> Secure state <1=> Non-Secure state +// Interrupt 316 <0=> Secure state <1=> Non-Secure state +// Interrupt 317 <0=> Secure state <1=> Non-Secure state +// Interrupt 318 <0=> Secure state <1=> Non-Secure state +// Interrupt 319 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS9_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 10 (Interrupts 320..351) +*/ +#define NVIC_INIT_ITNS10 0 + +/* +// Interrupts 64..95 +// Interrupt 320 <0=> Secure state <1=> Non-Secure state +// Interrupt 321 <0=> Secure state <1=> Non-Secure state +// Interrupt 322 <0=> Secure state <1=> Non-Secure state +// Interrupt 323 <0=> Secure state <1=> Non-Secure state +// Interrupt 324 <0=> Secure state <1=> Non-Secure state +// Interrupt 325 <0=> Secure state <1=> Non-Secure state +// Interrupt 326 <0=> Secure state <1=> Non-Secure state +// Interrupt 327 <0=> Secure state <1=> Non-Secure state +// Interrupt 328 <0=> Secure state <1=> Non-Secure state +// Interrupt 329 <0=> Secure state <1=> Non-Secure state +// Interrupt 330 <0=> Secure state <1=> Non-Secure state +// Interrupt 331 <0=> Secure state <1=> Non-Secure state +// Interrupt 332 <0=> Secure state <1=> Non-Secure state +// Interrupt 333 <0=> Secure state <1=> Non-Secure state +// Interrupt 334 <0=> Secure state <1=> Non-Secure state +// Interrupt 335 <0=> Secure state <1=> Non-Secure state +// Interrupt 336 <0=> Secure state <1=> Non-Secure state +// Interrupt 337 <0=> Secure state <1=> Non-Secure state +// Interrupt 338 <0=> Secure state <1=> Non-Secure state +// Interrupt 339 <0=> Secure state <1=> Non-Secure state +// Interrupt 340 <0=> Secure state <1=> Non-Secure state +// Interrupt 341 <0=> Secure state <1=> Non-Secure state +// Interrupt 342 <0=> Secure state <1=> Non-Secure state +// Interrupt 343 <0=> Secure state <1=> Non-Secure state +// Interrupt 344 <0=> Secure state <1=> Non-Secure state +// Interrupt 345 <0=> Secure state <1=> Non-Secure state +// Interrupt 346 <0=> Secure state <1=> Non-Secure state +// Interrupt 347 <0=> Secure state <1=> Non-Secure state +// Interrupt 348 <0=> Secure state <1=> Non-Secure state +// Interrupt 349 <0=> Secure state <1=> Non-Secure state +// Interrupt 350 <0=> Secure state <1=> Non-Secure state +// Interrupt 351 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS10_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 11 (Interrupts 352..383) +*/ +#define NVIC_INIT_ITNS11 0 + +/* +// Interrupts 96..127 +// Interrupt 352 <0=> Secure state <1=> Non-Secure state +// Interrupt 353 <0=> Secure state <1=> Non-Secure state +// Interrupt 354 <0=> Secure state <1=> Non-Secure state +// Interrupt 355 <0=> Secure state <1=> Non-Secure state +// Interrupt 356 <0=> Secure state <1=> Non-Secure state +// Interrupt 357 <0=> Secure state <1=> Non-Secure state +// Interrupt 358 <0=> Secure state <1=> Non-Secure state +// Interrupt 359 <0=> Secure state <1=> Non-Secure state +// Interrupt 360 <0=> Secure state <1=> Non-Secure state +// Interrupt 361 <0=> Secure state <1=> Non-Secure state +// Interrupt 362 <0=> Secure state <1=> Non-Secure state +// Interrupt 363 <0=> Secure state <1=> Non-Secure state +// Interrupt 364 <0=> Secure state <1=> Non-Secure state +// Interrupt 365 <0=> Secure state <1=> Non-Secure state +// Interrupt 366 <0=> Secure state <1=> Non-Secure state +// Interrupt 367 <0=> Secure state <1=> Non-Secure state +// Interrupt 368 <0=> Secure state <1=> Non-Secure state +// Interrupt 369 <0=> Secure state <1=> Non-Secure state +// Interrupt 370 <0=> Secure state <1=> Non-Secure state +// Interrupt 371 <0=> Secure state <1=> Non-Secure state +// Interrupt 372 <0=> Secure state <1=> Non-Secure state +// Interrupt 373 <0=> Secure state <1=> Non-Secure state +// Interrupt 374 <0=> Secure state <1=> Non-Secure state +// Interrupt 375 <0=> Secure state <1=> Non-Secure state +// Interrupt 376 <0=> Secure state <1=> Non-Secure state +// Interrupt 377 <0=> Secure state <1=> Non-Secure state +// Interrupt 378 <0=> Secure state <1=> Non-Secure state +// Interrupt 379 <0=> Secure state <1=> Non-Secure state +// Interrupt 380 <0=> Secure state <1=> Non-Secure state +// Interrupt 381 <0=> Secure state <1=> Non-Secure state +// Interrupt 382 <0=> Secure state <1=> Non-Secure state +// Interrupt 383 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS11_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 12 (Interrupts 384..415) +*/ +#define NVIC_INIT_ITNS12 0 + +/* +// Interrupts 128..159 +// Interrupt 384 <0=> Secure state <1=> Non-Secure state +// Interrupt 385 <0=> Secure state <1=> Non-Secure state +// Interrupt 386 <0=> Secure state <1=> Non-Secure state +// Interrupt 387 <0=> Secure state <1=> Non-Secure state +// Interrupt 388 <0=> Secure state <1=> Non-Secure state +// Interrupt 389 <0=> Secure state <1=> Non-Secure state +// Interrupt 390 <0=> Secure state <1=> Non-Secure state +// Interrupt 391 <0=> Secure state <1=> Non-Secure state +// Interrupt 392 <0=> Secure state <1=> Non-Secure state +// Interrupt 393 <0=> Secure state <1=> Non-Secure state +// Interrupt 394 <0=> Secure state <1=> Non-Secure state +// Interrupt 395 <0=> Secure state <1=> Non-Secure state +// Interrupt 396 <0=> Secure state <1=> Non-Secure state +// Interrupt 397 <0=> Secure state <1=> Non-Secure state +// Interrupt 398 <0=> Secure state <1=> Non-Secure state +// Interrupt 399 <0=> Secure state <1=> Non-Secure state +// Interrupt 400 <0=> Secure state <1=> Non-Secure state +// Interrupt 401 <0=> Secure state <1=> Non-Secure state +// Interrupt 402 <0=> Secure state <1=> Non-Secure state +// Interrupt 403 <0=> Secure state <1=> Non-Secure state +// Interrupt 404 <0=> Secure state <1=> Non-Secure state +// Interrupt 405 <0=> Secure state <1=> Non-Secure state +// Interrupt 406 <0=> Secure state <1=> Non-Secure state +// Interrupt 407 <0=> Secure state <1=> Non-Secure state +// Interrupt 408 <0=> Secure state <1=> Non-Secure state +// Interrupt 409 <0=> Secure state <1=> Non-Secure state +// Interrupt 410 <0=> Secure state <1=> Non-Secure state +// Interrupt 411 <0=> Secure state <1=> Non-Secure state +// Interrupt 412 <0=> Secure state <1=> Non-Secure state +// Interrupt 413 <0=> Secure state <1=> Non-Secure state +// Interrupt 414 <0=> Secure state <1=> Non-Secure state +// Interrupt 415 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS12_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 13 (Interrupts 416..447) +*/ +#define NVIC_INIT_ITNS13 0 + +/* +// Interrupts 160..191 +// Interrupt 416 <0=> Secure state <1=> Non-Secure state +// Interrupt 417 <0=> Secure state <1=> Non-Secure state +// Interrupt 418 <0=> Secure state <1=> Non-Secure state +// Interrupt 419 <0=> Secure state <1=> Non-Secure state +// Interrupt 420 <0=> Secure state <1=> Non-Secure state +// Interrupt 421 <0=> Secure state <1=> Non-Secure state +// Interrupt 422 <0=> Secure state <1=> Non-Secure state +// Interrupt 423 <0=> Secure state <1=> Non-Secure state +// Interrupt 424 <0=> Secure state <1=> Non-Secure state +// Interrupt 425 <0=> Secure state <1=> Non-Secure state +// Interrupt 426 <0=> Secure state <1=> Non-Secure state +// Interrupt 427 <0=> Secure state <1=> Non-Secure state +// Interrupt 428 <0=> Secure state <1=> Non-Secure state +// Interrupt 429 <0=> Secure state <1=> Non-Secure state +// Interrupt 430 <0=> Secure state <1=> Non-Secure state +// Interrupt 431 <0=> Secure state <1=> Non-Secure state +// Interrupt 432 <0=> Secure state <1=> Non-Secure state +// Interrupt 433 <0=> Secure state <1=> Non-Secure state +// Interrupt 434 <0=> Secure state <1=> Non-Secure state +// Interrupt 435 <0=> Secure state <1=> Non-Secure state +// Interrupt 436 <0=> Secure state <1=> Non-Secure state +// Interrupt 437 <0=> Secure state <1=> Non-Secure state +// Interrupt 438 <0=> Secure state <1=> Non-Secure state +// Interrupt 439 <0=> Secure state <1=> Non-Secure state +// Interrupt 440 <0=> Secure state <1=> Non-Secure state +// Interrupt 441 <0=> Secure state <1=> Non-Secure state +// Interrupt 442 <0=> Secure state <1=> Non-Secure state +// Interrupt 443 <0=> Secure state <1=> Non-Secure state +// Interrupt 444 <0=> Secure state <1=> Non-Secure state +// Interrupt 445 <0=> Secure state <1=> Non-Secure state +// Interrupt 446 <0=> Secure state <1=> Non-Secure state +// Interrupt 447 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS13_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 14 (Interrupts 448..479) +*/ +#define NVIC_INIT_ITNS14 0 + +/* +// Interrupts 192..223 +// Interrupt 448 <0=> Secure state <1=> Non-Secure state +// Interrupt 449 <0=> Secure state <1=> Non-Secure state +// Interrupt 450 <0=> Secure state <1=> Non-Secure state +// Interrupt 451 <0=> Secure state <1=> Non-Secure state +// Interrupt 452 <0=> Secure state <1=> Non-Secure state +// Interrupt 453 <0=> Secure state <1=> Non-Secure state +// Interrupt 454 <0=> Secure state <1=> Non-Secure state +// Interrupt 455 <0=> Secure state <1=> Non-Secure state +// Interrupt 456 <0=> Secure state <1=> Non-Secure state +// Interrupt 457 <0=> Secure state <1=> Non-Secure state +// Interrupt 458 <0=> Secure state <1=> Non-Secure state +// Interrupt 459 <0=> Secure state <1=> Non-Secure state +// Interrupt 460 <0=> Secure state <1=> Non-Secure state +// Interrupt 461 <0=> Secure state <1=> Non-Secure state +// Interrupt 462 <0=> Secure state <1=> Non-Secure state +// Interrupt 463 <0=> Secure state <1=> Non-Secure state +// Interrupt 464 <0=> Secure state <1=> Non-Secure state +// Interrupt 465 <0=> Secure state <1=> Non-Secure state +// Interrupt 466 <0=> Secure state <1=> Non-Secure state +// Interrupt 467 <0=> Secure state <1=> Non-Secure state +// Interrupt 468 <0=> Secure state <1=> Non-Secure state +// Interrupt 469 <0=> Secure state <1=> Non-Secure state +// Interrupt 470 <0=> Secure state <1=> Non-Secure state +// Interrupt 471 <0=> Secure state <1=> Non-Secure state +// Interrupt 472 <0=> Secure state <1=> Non-Secure state +// Interrupt 473 <0=> Secure state <1=> Non-Secure state +// Interrupt 474 <0=> Secure state <1=> Non-Secure state +// Interrupt 475 <0=> Secure state <1=> Non-Secure state +// Interrupt 476 <0=> Secure state <1=> Non-Secure state +// Interrupt 477 <0=> Secure state <1=> Non-Secure state +// Interrupt 478 <0=> Secure state <1=> Non-Secure state +// Interrupt 479 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS14_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 15 (Interrupts 480..511) +*/ +#define NVIC_INIT_ITNS15 0 + +/* +// Interrupts 224..255 +// Interrupt 480 <0=> Secure state <1=> Non-Secure state +// Interrupt 481 <0=> Secure state <1=> Non-Secure state +// Interrupt 482 <0=> Secure state <1=> Non-Secure state +// Interrupt 483 <0=> Secure state <1=> Non-Secure state +// Interrupt 484 <0=> Secure state <1=> Non-Secure state +// Interrupt 485 <0=> Secure state <1=> Non-Secure state +// Interrupt 486 <0=> Secure state <1=> Non-Secure state +// Interrupt 487 <0=> Secure state <1=> Non-Secure state +// Interrupt 488 <0=> Secure state <1=> Non-Secure state +// Interrupt 489 <0=> Secure state <1=> Non-Secure state +// Interrupt 490 <0=> Secure state <1=> Non-Secure state +// Interrupt 491 <0=> Secure state <1=> Non-Secure state +// Interrupt 492 <0=> Secure state <1=> Non-Secure state +// Interrupt 493 <0=> Secure state <1=> Non-Secure state +// Interrupt 494 <0=> Secure state <1=> Non-Secure state +// Interrupt 495 <0=> Secure state <1=> Non-Secure state +// Interrupt 496 <0=> Secure state <1=> Non-Secure state +// Interrupt 497 <0=> Secure state <1=> Non-Secure state +// Interrupt 498 <0=> Secure state <1=> Non-Secure state +// Interrupt 499 <0=> Secure state <1=> Non-Secure state +// Interrupt 500 <0=> Secure state <1=> Non-Secure state +// Interrupt 501 <0=> Secure state <1=> Non-Secure state +// Interrupt 502 <0=> Secure state <1=> Non-Secure state +// Interrupt 503 <0=> Secure state <1=> Non-Secure state +// Interrupt 504 <0=> Secure state <1=> Non-Secure state +// Interrupt 505 <0=> Secure state <1=> Non-Secure state +// Interrupt 506 <0=> Secure state <1=> Non-Secure state +// Interrupt 507 <0=> Secure state <1=> Non-Secure state +// Interrupt 508 <0=> Secure state <1=> Non-Secure state +// Interrupt 509 <0=> Secure state <1=> Non-Secure state +// Interrupt 510 <0=> Secure state <1=> Non-Secure state +// Interrupt 511 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS15_VAL 0x00000000 + +/* +// +*/ + +/* +// +*/ + + + +/* + max 128 SAU regions. + SAU regions are defined in partition.h + */ + +#define SAU_INIT_REGION(n) \ + SAU->RNR = (n & SAU_RNR_REGION_Msk); \ + SAU->RBAR = (SAU_INIT_START##n & SAU_RBAR_BADDR_Msk); \ + SAU->RLAR = (SAU_INIT_END##n & SAU_RLAR_LADDR_Msk) | \ + ((SAU_INIT_NSC##n << SAU_RLAR_NSC_Pos) & SAU_RLAR_NSC_Msk) | 1U + +/** + \brief Setup a SAU Region + \details Writes the region information contained in SAU_Region to the + registers SAU_RNR, SAU_RBAR, and SAU_RLAR + */ +__STATIC_INLINE void TZ_SAU_Setup (void) +{ + +#if defined (__SAUREGION_PRESENT) && (__SAUREGION_PRESENT == 1U) + + #if defined (SAU_INIT_REGION0) && (SAU_INIT_REGION0 == 1U) + SAU_INIT_REGION(0); + #endif + + #if defined (SAU_INIT_REGION1) && (SAU_INIT_REGION1 == 1U) + SAU_INIT_REGION(1); + #endif + + #if defined (SAU_INIT_REGION2) && (SAU_INIT_REGION2 == 1U) + SAU_INIT_REGION(2); + #endif + + #if defined (SAU_INIT_REGION3) && (SAU_INIT_REGION3 == 1U) + SAU_INIT_REGION(3); + #endif + + #if defined (SAU_INIT_REGION4) && (SAU_INIT_REGION4 == 1U) + SAU_INIT_REGION(4); + #endif + + #if defined (SAU_INIT_REGION5) && (SAU_INIT_REGION5 == 1U) + SAU_INIT_REGION(5); + #endif + + #if defined (SAU_INIT_REGION6) && (SAU_INIT_REGION6 == 1U) + SAU_INIT_REGION(6); + #endif + + #if defined (SAU_INIT_REGION7) && (SAU_INIT_REGION7 == 1U) + SAU_INIT_REGION(7); + #endif + + /* repeat this for all possible SAU regions */ + +#endif /* defined (__SAUREGION_PRESENT) && (__SAUREGION_PRESENT == 1U) */ + + + #if defined (SAU_INIT_CTRL) && (SAU_INIT_CTRL == 1U) + SAU->CTRL = ((SAU_INIT_CTRL_ENABLE << SAU_CTRL_ENABLE_Pos) & SAU_CTRL_ENABLE_Msk) | + ((SAU_INIT_CTRL_ALLNS << SAU_CTRL_ALLNS_Pos) & SAU_CTRL_ALLNS_Msk) ; + #endif + + #if defined (SCB_CSR_AIRCR_INIT) && (SCB_CSR_AIRCR_INIT == 1U) + SCB->SCR = (SCB->SCR & ~(SCB_SCR_SLEEPDEEPS_Msk )) | + ((SCB_CSR_DEEPSLEEPS_VAL << SCB_SCR_SLEEPDEEPS_Pos) & SCB_SCR_SLEEPDEEPS_Msk); + + SCB->AIRCR = (SCB->AIRCR & ~(SCB_AIRCR_VECTKEY_Msk | SCB_AIRCR_SYSRESETREQS_Msk | + SCB_AIRCR_BFHFNMINS_Msk | SCB_AIRCR_PRIS_Msk )) | + ((0x05FAU << SCB_AIRCR_VECTKEY_Pos) & SCB_AIRCR_VECTKEY_Msk) | + ((SCB_AIRCR_SYSRESETREQS_VAL << SCB_AIRCR_SYSRESETREQS_Pos) & SCB_AIRCR_SYSRESETREQS_Msk) | + ((SCB_AIRCR_PRIS_VAL << SCB_AIRCR_PRIS_Pos) & SCB_AIRCR_PRIS_Msk) | + ((SCB_AIRCR_BFHFNMINS_VAL << SCB_AIRCR_BFHFNMINS_Pos) & SCB_AIRCR_BFHFNMINS_Msk); + #endif /* defined (SCB_CSR_AIRCR_INIT) && (SCB_CSR_AIRCR_INIT == 1U) */ + + #if defined (__FPU_USED) && (__FPU_USED == 1U) && \ + defined (TZ_FPU_NS_USAGE) && (TZ_FPU_NS_USAGE == 1U) + + SCB->NSACR = (SCB->NSACR & ~(SCB_NSACR_CP10_Msk | SCB_NSACR_CP10_Msk)) | + ((SCB_NSACR_CP10_11_VAL << SCB_NSACR_CP10_Pos) & (SCB_NSACR_CP10_Msk | SCB_NSACR_CP11_Msk)); + + FPU->FPCCR = (FPU->FPCCR & ~(FPU_FPCCR_TS_Msk | FPU_FPCCR_CLRONRETS_Msk | FPU_FPCCR_CLRONRET_Msk)) | + ((FPU_FPCCR_TS_VAL << FPU_FPCCR_TS_Pos ) & FPU_FPCCR_TS_Msk ) | + ((FPU_FPCCR_CLRONRETS_VAL << FPU_FPCCR_CLRONRETS_Pos) & FPU_FPCCR_CLRONRETS_Msk) | + ((FPU_FPCCR_CLRONRET_VAL << FPU_FPCCR_CLRONRET_Pos ) & FPU_FPCCR_CLRONRET_Msk ); + #endif + + #if defined (NVIC_INIT_ITNS0) && (NVIC_INIT_ITNS0 == 1U) + NVIC->ITNS[0] = NVIC_INIT_ITNS0_VAL; + #endif + + #if defined (NVIC_INIT_ITNS1) && (NVIC_INIT_ITNS1 == 1U) + NVIC->ITNS[1] = NVIC_INIT_ITNS1_VAL; + #endif + + #if defined (NVIC_INIT_ITNS2) && (NVIC_INIT_ITNS2 == 1U) + NVIC->ITNS[2] = NVIC_INIT_ITNS2_VAL; + #endif + + #if defined (NVIC_INIT_ITNS3) && (NVIC_INIT_ITNS3 == 1U) + NVIC->ITNS[3] = NVIC_INIT_ITNS3_VAL; + #endif + + #if defined (NVIC_INIT_ITNS4) && (NVIC_INIT_ITNS4 == 1U) + NVIC->ITNS[4] = NVIC_INIT_ITNS4_VAL; + #endif + + #if defined (NVIC_INIT_ITNS5) && (NVIC_INIT_ITNS5 == 1U) + NVIC->ITNS[5] = NVIC_INIT_ITNS5_VAL; + #endif + + #if defined (NVIC_INIT_ITNS6) && (NVIC_INIT_ITNS6 == 1U) + NVIC->ITNS[6] = NVIC_INIT_ITNS6_VAL; + #endif + + #if defined (NVIC_INIT_ITNS7) && (NVIC_INIT_ITNS7 == 1U) + NVIC->ITNS[7] = NVIC_INIT_ITNS7_VAL; + #endif + + #if defined (NVIC_INIT_ITNS8) && (NVIC_INIT_ITNS8 == 1U) + NVIC->ITNS[8] = NVIC_INIT_ITNS8_VAL; + #endif + + #if defined (NVIC_INIT_ITNS9) && (NVIC_INIT_ITNS9 == 1U) + NVIC->ITNS[9] = NVIC_INIT_ITNS9_VAL; + #endif + + #if defined (NVIC_INIT_ITNS10) && (NVIC_INIT_ITNS10 == 1U) + NVIC->ITNS[10] = NVIC_INIT_ITNS10_VAL; + #endif + + #if defined (NVIC_INIT_ITNS11) && (NVIC_INIT_ITNS11 == 1U) + NVIC->ITNS[11] = NVIC_INIT_ITNS11_VAL; + #endif + + #if defined (NVIC_INIT_ITNS12) && (NVIC_INIT_ITNS12 == 1U) + NVIC->ITNS[12] = NVIC_INIT_ITNS12_VAL; + #endif + + #if defined (NVIC_INIT_ITNS13) && (NVIC_INIT_ITNS13 == 1U) + NVIC->ITNS[13] = NVIC_INIT_ITNS13_VAL; + #endif + + #if defined (NVIC_INIT_ITNS14) && (NVIC_INIT_ITNS14 == 1U) + NVIC->ITNS[14] = NVIC_INIT_ITNS14_VAL; + #endif + + #if defined (NVIC_INIT_ITNS15) && (NVIC_INIT_ITNS15 == 1U) + NVIC->ITNS[15] = NVIC_INIT_ITNS15_VAL; + #endif + + /* repeat this for all possible ITNS elements */ + +} + +#endif /* PARTITION_ARMCM33_H */ diff --git a/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/RTE/Device/ARMCM33_DSP_FP_TZ/startup_ARMCM33.s b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/RTE/Device/ARMCM33_DSP_FP_TZ/startup_ARMCM33.s new file mode 100644 index 000000000..bbba5e35b --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/RTE/Device/ARMCM33_DSP_FP_TZ/startup_ARMCM33.s @@ -0,0 +1,267 @@ +;/**************************************************************************//** +; * @file startup_ARMCM33.s +; * @brief CMSIS Core Device Startup File for +; * ARMCM33 Device Series +; * @version V5.00 +; * @date 21. October 2016 +; ******************************************************************************/ +;/* +; * Copyright (c) 2009-2016 ARM Limited. All rights reserved. +; * +; * SPDX-License-Identifier: Apache-2.0 +; * +; * Licensed under the Apache License, Version 2.0 (the License); you may +; * not use this file except in compliance with the License. +; * You may obtain a copy of the License at +; * +; * www.apache.org/licenses/LICENSE-2.0 +; * +; * Unless required by applicable law or agreed to in writing, software +; * distributed under the License is distributed on an AS IS BASIS, WITHOUT +; * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +; * See the License for the specific language governing permissions and +; * limitations under the License. +; */ + +;/* +;//-------- <<< Use Configuration Wizard in Context Menu >>> ------------------ +;*/ + + +; Stack Configuration +; Stack Size (in Bytes) <0x0-0xFFFFFFFF:8> +; + +Stack_Size EQU 0x00000400 + + AREA STACK, NOINIT, READWRITE, ALIGN=3 +Stack_Mem SPACE Stack_Size +__initial_sp + + +; Heap Configuration +; Heap Size (in Bytes) <0x0-0xFFFFFFFF:8> +; + +Heap_Size EQU 0x00000C00 + + AREA HEAP, NOINIT, READWRITE, ALIGN=3 +__heap_base +Heap_Mem SPACE Heap_Size +__heap_limit + + + PRESERVE8 + THUMB + + +; Vector Table Mapped to Address 0 at Reset + + AREA RESET, DATA, READONLY + EXPORT __Vectors + EXPORT __Vectors_End + EXPORT __Vectors_Size + +__Vectors DCD __initial_sp ; Top of Stack + DCD Reset_Handler ; Reset Handler + DCD NMI_Handler ; NMI Handler + DCD HardFault_Handler ; Hard Fault Handler + DCD MemManage_Handler ; MPU Fault Handler + DCD BusFault_Handler ; Bus Fault Handler + DCD UsageFault_Handler ; Usage Fault Handler + DCD SecureFault_Handler ; Secure Fault Handler + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD SVC_Handler ; SVCall Handler + DCD DebugMon_Handler ; Debug Monitor Handler + DCD 0 ; Reserved + DCD PendSV_Handler ; PendSV Handler + DCD SysTick_Handler ; SysTick Handler + + ; External Interrupts + DCD WDT_IRQHandler ; 0: Watchdog Timer + DCD RTC_IRQHandler ; 1: Real Time Clock + DCD TIM0_IRQHandler ; 2: Timer0 / Timer1 + DCD TIM2_IRQHandler ; 3: Timer2 / Timer3 + DCD MCIA_IRQHandler ; 4: MCIa + DCD MCIB_IRQHandler ; 5: MCIb + DCD UART0_IRQHandler ; 6: UART0 - DUT FPGA + DCD UART1_IRQHandler ; 7: UART1 - DUT FPGA + DCD UART2_IRQHandler ; 8: UART2 - DUT FPGA + DCD UART4_IRQHandler ; 9: UART4 - not connected + DCD AACI_IRQHandler ; 10: AACI / AC97 + DCD CLCD_IRQHandler ; 11: CLCD Combined Interrupt + DCD ENET_IRQHandler ; 12: Ethernet + DCD USBDC_IRQHandler ; 13: USB Device + DCD USBHC_IRQHandler ; 14: USB Host Controller + DCD CHLCD_IRQHandler ; 15: Character LCD + DCD FLEXRAY_IRQHandler ; 16: Flexray + DCD CAN_IRQHandler ; 17: CAN + DCD LIN_IRQHandler ; 18: LIN + DCD I2C_IRQHandler ; 19: I2C ADC/DAC + DCD 0 ; 20: Reserved + DCD 0 ; 21: Reserved + DCD 0 ; 22: Reserved + DCD 0 ; 23: Reserved + DCD 0 ; 24: Reserved + DCD 0 ; 25: Reserved + DCD 0 ; 26: Reserved + DCD 0 ; 27: Reserved + DCD CPU_CLCD_IRQHandler ; 28: Reserved - CPU FPGA CLCD + DCD 0 ; 29: Reserved - CPU FPGA + DCD UART3_IRQHandler ; 30: UART3 - CPU FPGA + DCD SPI_IRQHandler ; 31: SPI Touchscreen - CPU FPGA +__Vectors_End + +__Vectors_Size EQU __Vectors_End - __Vectors + + AREA |.text|, CODE, READONLY + + +; Reset Handler + +Reset_Handler PROC + EXPORT Reset_Handler [WEAK] + IMPORT SystemInit + IMPORT __main + LDR R0, =SystemInit + BLX R0 + LDR R0, =__main + BX R0 + ENDP + + +; Dummy Exception Handlers (infinite loops which can be modified) + +NMI_Handler PROC + EXPORT NMI_Handler [WEAK] + B . + ENDP +HardFault_Handler\ + PROC + EXPORT HardFault_Handler [WEAK] + B . + ENDP +MemManage_Handler\ + PROC + EXPORT MemManage_Handler [WEAK] + B . + ENDP +BusFault_Handler\ + PROC + EXPORT BusFault_Handler [WEAK] + B . + ENDP +UsageFault_Handler\ + PROC + EXPORT UsageFault_Handler [WEAK] + B . + ENDP +SecureFault_Handler\ + PROC + EXPORT SecureFault_Handler [WEAK] + B . + ENDP +SVC_Handler PROC + EXPORT SVC_Handler [WEAK] + B . + ENDP +DebugMon_Handler\ + PROC + EXPORT DebugMon_Handler [WEAK] + B . + ENDP +PendSV_Handler PROC + EXPORT PendSV_Handler [WEAK] + B . + ENDP +SysTick_Handler PROC + EXPORT SysTick_Handler [WEAK] + B . + ENDP + +Default_Handler PROC + + EXPORT WDT_IRQHandler [WEAK] + EXPORT RTC_IRQHandler [WEAK] + EXPORT TIM0_IRQHandler [WEAK] + EXPORT TIM2_IRQHandler [WEAK] + EXPORT MCIA_IRQHandler [WEAK] + EXPORT MCIB_IRQHandler [WEAK] + EXPORT UART0_IRQHandler [WEAK] + EXPORT UART1_IRQHandler [WEAK] + EXPORT UART2_IRQHandler [WEAK] + EXPORT UART3_IRQHandler [WEAK] + EXPORT UART4_IRQHandler [WEAK] + EXPORT AACI_IRQHandler [WEAK] + EXPORT CLCD_IRQHandler [WEAK] + EXPORT ENET_IRQHandler [WEAK] + EXPORT USBDC_IRQHandler [WEAK] + EXPORT USBHC_IRQHandler [WEAK] + EXPORT CHLCD_IRQHandler [WEAK] + EXPORT FLEXRAY_IRQHandler [WEAK] + EXPORT CAN_IRQHandler [WEAK] + EXPORT LIN_IRQHandler [WEAK] + EXPORT I2C_IRQHandler [WEAK] + EXPORT CPU_CLCD_IRQHandler [WEAK] + EXPORT SPI_IRQHandler [WEAK] + +WDT_IRQHandler +RTC_IRQHandler +TIM0_IRQHandler +TIM2_IRQHandler +MCIA_IRQHandler +MCIB_IRQHandler +UART0_IRQHandler +UART1_IRQHandler +UART2_IRQHandler +UART3_IRQHandler +UART4_IRQHandler +AACI_IRQHandler +CLCD_IRQHandler +ENET_IRQHandler +USBDC_IRQHandler +USBHC_IRQHandler +CHLCD_IRQHandler +FLEXRAY_IRQHandler +CAN_IRQHandler +LIN_IRQHandler +I2C_IRQHandler +CPU_CLCD_IRQHandler +SPI_IRQHandler + B . + + ENDP + + + ALIGN + + +; User Initial Stack & Heap + + IF :DEF:__MICROLIB + + EXPORT __initial_sp + EXPORT __heap_base + EXPORT __heap_limit + + ELSE + + IMPORT __use_two_region_memory + EXPORT __user_initial_stackheap + +__user_initial_stackheap PROC + LDR R0, = Heap_Mem + LDR R1, =(Stack_Mem + Stack_Size) + LDR R2, = (Heap_Mem + Heap_Size) + LDR R3, = Stack_Mem + BX LR + ENDP + + ALIGN + + ENDIF + + + END diff --git a/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/RTE/Device/ARMCM33_DSP_FP_TZ/system_ARMCM33.c b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/RTE/Device/ARMCM33_DSP_FP_TZ/system_ARMCM33.c new file mode 100644 index 000000000..9d13d545c --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/RTE/Device/ARMCM33_DSP_FP_TZ/system_ARMCM33.c @@ -0,0 +1,99 @@ +/**************************************************************************//** + * @file system_ARMCM33.c + * @brief CMSIS Device System Source File for + * ARMCM33 Device Series + * @version V5.00 + * @date 02. November 2016 + ******************************************************************************/ +/* + * Copyright (c) 2009-2016 ARM Limited. All rights reserved. + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the License); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#if defined (ARMCM33) + #include "ARMCM33.h" +#elif defined (ARMCM33_TZ) + #include "ARMCM33_TZ.h" + + #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) + #include "partition_ARMCM33.h" + #endif +#elif defined (ARMCM33_DSP_FP) + #include "ARMCM33_DSP_FP.h" +#elif defined (ARMCM33_DSP_FP_TZ) + #include "ARMCM33_DSP_FP_TZ.h" + + #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) + #include "partition_ARMCM33.h" + #endif +#else + #error device not specified! +#endif + +/*---------------------------------------------------------------------------- + Define clocks + *----------------------------------------------------------------------------*/ +#define XTAL ( 5000000UL) /* Oscillator frequency */ + +#define SYSTEM_CLOCK (5U * XTAL) + + +/*---------------------------------------------------------------------------- + Externals + *----------------------------------------------------------------------------*/ +#if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U) + extern uint32_t __Vectors; +#endif + +/*---------------------------------------------------------------------------- + System Core Clock Variable + *----------------------------------------------------------------------------*/ +uint32_t SystemCoreClock = SYSTEM_CLOCK; + + +/*---------------------------------------------------------------------------- + System Core Clock update function + *----------------------------------------------------------------------------*/ +void SystemCoreClockUpdate (void) +{ + SystemCoreClock = SYSTEM_CLOCK; +} + +/*---------------------------------------------------------------------------- + System initialization function + *----------------------------------------------------------------------------*/ +void SystemInit (void) +{ + +#if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U) + SCB->VTOR = (uint32_t) &__Vectors; +#endif + +#if defined (__FPU_USED) && (__FPU_USED == 1U) + SCB->CPACR |= ((3U << 10U*2U) | /* set CP10 Full Access */ + (3U << 11U*2U) ); /* set CP11 Full Access */ +#endif + +#ifdef UNALIGNED_SUPPORT_DISABLE + SCB->CCR |= SCB_CCR_UNALIGN_TRP_Msk; +#endif + +#if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) + TZ_SAU_Setup(); +#endif + + SystemCoreClock = SYSTEM_CLOCK; +} diff --git a/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/main_ns.c b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/main_ns.c new file mode 100644 index 000000000..288767330 --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/NonSecure/main_ns.c @@ -0,0 +1,175 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* FreeRTOS includes. */ +#include "FreeRTOS.h" +#include "task.h" + +/* Demo includes. */ +#include "tz_demo.h" +#include "mpu_demo.h" + +/* Externs needed by the MPU setup code. These must match the memory map as + * specified in Scatter-Loading description file (FreeRTOSDemo_ns.sct). */ +/* Privileged flash. */ +const uint32_t * __privileged_functions_start__ = ( uint32_t * ) ( 0x00200000 ); +const uint32_t * __privileged_functions_end__ = ( uint32_t * ) ( 0x00208000 - 0x1 ); /* Last address in privileged Flash region. */ + +/* Flash containing system calls. */ +const uint32_t * __syscalls_flash_start__ = ( uint32_t * ) ( 0x00208000 ); +const uint32_t * __syscalls_flash_end__ = ( uint32_t * ) ( 0x00209000 - 0x1 ); /* Last address in Flash region containing system calls. */ + +/* Unprivileged flash. Note that the section containing + * system calls is unprivilged so that unprivleged tasks + * can make system calls. */ +const uint32_t * __unprivileged_flash_start__ = ( uint32_t * ) ( 0x00209000 ); +const uint32_t * __unprivileged_flash_end__ = ( uint32_t * ) ( 0x00400000 - 0x1 ); /* Last address in un-privileged Flash region. */ + +/* 512 bytes (0x200) of RAM starting at 0x30008000 is + * priviledged access only. This contains kernel data. */ +const uint32_t * __privileged_sram_start__ = ( uint32_t * ) ( 0x20200000 ); +const uint32_t * __privileged_sram_end__ = ( uint32_t * ) ( 0x20201000 - 0x1 ); /* Last address in privileged RAM. */ +; +/* Unprivileged RAM. */ +const uint32_t * __unprivileged_sram_start__ = ( uint32_t * ) ( 0x20201000 ); +const uint32_t * __unprivileged_sram_end__ = ( uint32_t * ) ( 0x20220000 - 0x1 ); /* Last address in un-privileged RAM. */ +/*-----------------------------------------------------------*/ + +/** + * @brief Create all demo tasks. + */ +static void prvCreateTasks( void ); +/*-----------------------------------------------------------*/ + +static void prvCreateTasks( void ) +{ + /* Create tasks for the MPU Demo. */ + vStartMPUDemo(); + + /* Create tasks for the TZ Demo. */ + vStartTZDemo(); + +} +/*-----------------------------------------------------------*/ + +/* Stack overflow hook. */ +void vApplicationStackOverflowHook( TaskHandle_t xTask, signed char *pcTaskName ) +{ + /* Force an assert. */ + configASSERT( pcTaskName == 0 ); +} +/*-----------------------------------------------------------*/ + +/* Non-Secure main. */ +int main( void ) +{ + /* Create tasks. */ + prvCreateTasks(); + + /* Start scheduler. */ + vTaskStartScheduler(); + + /* Should not reach here as the schedular is already started. */ + for( ; ; ) + { + } +} +/*-----------------------------------------------------------*/ + +/* configUSE_STATIC_ALLOCATION is set to 1, so the application must provide an + * implementation of vApplicationGetIdleTaskMemory() to provide the memory that + * is used by the Idle task. */ +void vApplicationGetIdleTaskMemory( StaticTask_t ** ppxIdleTaskTCBBuffer, + StackType_t ** ppxIdleTaskStackBuffer, + uint32_t * pulIdleTaskStackSize ) +{ + /* If the buffers to be provided to the Idle task are declared inside this + * function then they must be declared static - otherwise they will be + * allocated on the stack and so not exists after this function exits. */ + static StaticTask_t xIdleTaskTCB; + static StackType_t uxIdleTaskStack[ configMINIMAL_STACK_SIZE ] __attribute__((aligned(32))); + + /* Pass out a pointer to the StaticTask_t structure in which the Idle + * task's state will be stored. */ + *ppxIdleTaskTCBBuffer = &xIdleTaskTCB; + + /* Pass out the array that will be used as the Idle task's stack. */ + *ppxIdleTaskStackBuffer = uxIdleTaskStack; + + /* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer. + * Note that, as the array is necessarily of type StackType_t, + * configMINIMAL_STACK_SIZE is specified in words, not bytes. */ + *pulIdleTaskStackSize = configMINIMAL_STACK_SIZE; +} +/*-----------------------------------------------------------*/ + +/* configUSE_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the + * application must provide an implementation of vApplicationGetTimerTaskMemory() + * to provide the memory that is used by the Timer service task. */ +void vApplicationGetTimerTaskMemory( StaticTask_t ** ppxTimerTaskTCBBuffer, + StackType_t ** ppxTimerTaskStackBuffer, + uint32_t * pulTimerTaskStackSize ) +{ + /* If the buffers to be provided to the Timer task are declared inside this + * function then they must be declared static - otherwise they will be + * allocated on the stack and so not exists after this function exits. */ + static StaticTask_t xTimerTaskTCB; + static StackType_t uxTimerTaskStack[ configTIMER_TASK_STACK_DEPTH ] __attribute__((aligned(32))); + + /* Pass out a pointer to the StaticTask_t structure in which the Timer + * task's state will be stored. */ + *ppxTimerTaskTCBBuffer = &xTimerTaskTCB; + + /* Pass out the array that will be used as the Timer task's stack. */ + *ppxTimerTaskStackBuffer = uxTimerTaskStack; + + /* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer. + * Note that, as the array is necessarily of type StackType_t, + * configTIMER_TASK_STACK_DEPTH is specified in words, not bytes. */ + *pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH; +} +/*-----------------------------------------------------------*/ + +/** + * @brief The mem fault handler implementation calls a function called + * vHandleMemoryFault. + */ +void MemManage_Handler( void ) +{ + __asm volatile + ( + " tst lr, #4 \n" + " ite eq \n" + " mrseq r0, msp \n" + " mrsne r0, psp \n" + " ldr r1, handler_address_const \n" + " bx r1 \n" + " \n" + " handler_address_const: .word vHandleMemoryFault \n" + ); +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/FreeRTOSDemo_s.sct b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/FreeRTOSDemo_s.sct new file mode 100644 index 000000000..1895482ff --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/FreeRTOSDemo_s.sct @@ -0,0 +1,20 @@ +; ************************************************************* +; *** Scatter-Loading Description File generated by uVision *** +; ************************************************************* + +LR_IROM_S 0x00000000 0x00200000 ; load region size_region +{ + ER_IROM_S +0 ; load address = execution address + { + *.o (RESET, +First) + *(InRoot$$Sections) + *(Veneer$$CMSE) ; This region is marked as Non-Secure callable in partition.h. + .ANY (+RO) + .ANY (+XO) + } + + RW_IRAM_S 0x20000000 0x00020000 ; RW data + { + .ANY (+RW +ZI) + } +} diff --git a/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/FreeRTOSDemo_s.uvoptx b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/FreeRTOSDemo_s.uvoptx new file mode 100644 index 000000000..a486d0edf --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/FreeRTOSDemo_s.uvoptx @@ -0,0 +1,378 @@ + + + + 1.0 + +
### uVision Project, (C) Keil Software
+ + + *.c + *.s*; *.src; *.a* + *.obj; *.o + *.lib + *.txt; *.h; *.inc + *.plm + *.cpp + 0 + + + + 0 + 0 + + + + FVP Simulation Model + 0x4 + ARM-ADS + + 12000000 + + 1 + 1 + 0 + 1 + 0 + + + 1 + 65535 + 0 + 0 + 0 + + + 79 + 66 + 8 + .\Listings\ + + + 1 + 1 + 1 + 0 + 1 + 1 + 0 + 1 + 0 + 0 + 0 + 0 + + + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 0 + + + 0 + 0 + 1 + + 7 + + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 0 + 0 + 1 + 15 + + + + + + + + + + ..\Debug.ini + BIN\DbgFMv8M.DLL + + + + 0 + DLGTARM + (6010=-1,-1,-1,-1,0)(6018=-1,-1,-1,-1,0)(6019=-1,-1,-1,-1,0)(6008=-1,-1,-1,-1,0)(6009=-1,-1,-1,-1,0)(6014=-1,-1,-1,-1,0)(6015=-1,-1,-1,-1,0)(6003=-1,-1,-1,-1,0)(6000=-1,-1,-1,-1,0) + + + 0 + ARMDBGFLAGS + + + + 0 + DLGUARM + (105=-1,-1,-1,-1,0)(106=-1,-1,-1,-1,0)(107=-1,-1,-1,-1,0) + + + 0 + DbgFMv8M + -I -S -L"cpu0" -O4102 -C0 -MC".\FVP\MPS2_Cortex-M\FVP_MPS2_Cortex-M33_MDK.exe" -MF"..\ARMCM33_DSP_FP_TZ_config.txt" -MA + + + 0 + UL2V8M + UL2V8M(-S0 -C0 -P0 -FD20000000 -FC1000) + + + + + 0 + + + 0 + 0 + 1 + 0 + 0 + 0 + 0 + 1 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + + + + 0 + 0 + 0 + + + + + + + + + + + + + SecureContext + 0 + 0 + 0 + 0 + + 1 + 1 + 5 + 0 + 0 + 0 + ..\..\..\Source\portable\GCC\ARM_CM33\secure\secure_context.h + secure_context.h + 0 + 0 + + + 1 + 2 + 1 + 0 + 0 + 0 + ..\..\..\Source\portable\GCC\ARM_CM33\secure\secure_context.c + secure_context.c + 0 + 0 + + + 1 + 3 + 1 + 0 + 0 + 0 + ..\..\..\Source\portable\GCC\ARM_CM33\secure\secure_context_port.c + secure_context_port.c + 0 + 0 + + + 1 + 4 + 5 + 0 + 0 + 0 + ..\..\..\Source\portable\GCC\ARM_CM33\secure\secure_port_macros.h + secure_port_macros.h + 0 + 0 + + + + + SecureInit + 0 + 0 + 0 + 0 + + 2 + 5 + 5 + 0 + 0 + 0 + ..\..\..\Source\portable\GCC\ARM_CM33\secure\secure_init.h + secure_init.h + 0 + 0 + + + 2 + 6 + 1 + 0 + 0 + 0 + ..\..\..\Source\portable\GCC\ARM_CM33\secure\secure_init.c + secure_init.c + 0 + 0 + + + + + SecureHeap + 0 + 0 + 0 + 0 + + 3 + 7 + 5 + 0 + 0 + 0 + ..\..\..\Source\portable\GCC\ARM_CM33\secure\secure_heap.h + secure_heap.h + 0 + 0 + + + 3 + 8 + 1 + 0 + 0 + 0 + ..\..\..\Source\portable\GCC\ARM_CM33\secure\secure_heap.c + secure_heap.c + 0 + 0 + + + + + NSCFunctions + 0 + 0 + 0 + 0 + + 4 + 9 + 5 + 0 + 0 + 0 + ..\..\Common\ARMv8M\tz_demo\nsc_functions.h + nsc_functions.h + 0 + 0 + + + 4 + 10 + 1 + 0 + 0 + 0 + ..\..\Common\ARMv8M\tz_demo\nsc_functions.c + nsc_functions.c + 0 + 0 + + + + + User + 0 + 0 + 0 + 0 + + 5 + 11 + 1 + 0 + 0 + 0 + .\main_s.c + main_s.c + 0 + 0 + + + + + ::CMSIS + 0 + 0 + 0 + 1 + + + + ::Device + 0 + 0 + 0 + 1 + + + diff --git a/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/FreeRTOSDemo_s.uvprojx b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/FreeRTOSDemo_s.uvprojx new file mode 100644 index 000000000..30f64cbf9 --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/FreeRTOSDemo_s.uvprojx @@ -0,0 +1,514 @@ + + + + 2.1 + +
### uVision Project, (C) Keil Software
+ + + + FVP Simulation Model + 0x4 + ARM-ADS + 6070000::V6.7::.\ARMCLANG + 1 + + + ARMCM33_DSP_FP_TZ + ARM + ARM.CMSIS.5.4.0 + http://www.keil.com/pack/ + IRAM(0x20000000,0x00020000) IRAM2(0x20200000,0x00020000) IROM(0x00000000,0x00200000) IROM2(0x00200000,0x00200000) CPUTYPE("Cortex-M33") FPU3(SFPU) DSP TZ CLOCK(12000000) ESEL ELITTLE + + + UL2V8M(-S0 -C0 -P0 -FD20000000 -FC1000) + 0 + $$Device:ARMCM33_DSP_FP_TZ$Device\ARM\ARMCM33\Include\ARMCM33_DSP_FP_TZ.h + + + + + + + + + + $$Device:ARMCM33_DSP_FP_TZ$Device\ARM\SVD\ARMCM33.svd + 0 + 0 + + + + + + + 0 + 0 + 0 + 0 + 1 + + .\Objects\ + FreeRTOSDemo_s + 1 + 0 + 0 + 1 + 1 + .\Listings\ + 1 + 0 + 0 + + 0 + 0 + + + 0 + 0 + 0 + 0 + + + 0 + 0 + + + 0 + 0 + 0 + 0 + + + 0 + 0 + + + 0 + 0 + 0 + 0 + + 1 + + + + 0 + 0 + 0 + 0 + 0 + 1 + 0 + 0 + 0 + 0 + 3 + + + 1 + + + + + + + SARMV8M.DLL + -MPU + TCM.DLL + -pCM33 + + + + 1 + 0 + 0 + 0 + 16 + + + + + 1 + 0 + 0 + 1 + 1 + 4098 + + 1 + BIN\UL2V8M.DLL + "" () + + + + + 0 + + + + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 0 + 1 + 1 + 0 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 0 + "Cortex-M33" + + 0 + 0 + 0 + 1 + 1 + 0 + 0 + 2 + 1 + 1 + 8 + 0 + 1 + 0 + 1 + 3 + 3 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 1 + 0 + 0 + 0 + 0 + 1 + 0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x20000000 + 0x20000 + + + 1 + 0x0 + 0x200000 + + + 0 + 0x0 + 0x0 + + + 1 + 0x0 + 0x0 + + + 1 + 0x0 + 0x0 + + + 1 + 0x0 + 0x0 + + + 1 + 0x0 + 0x200000 + + + 1 + 0x200000 + 0x200000 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x20000000 + 0x20000 + + + 0 + 0x20200000 + 0x20000 + + + + + + 1 + 2 + 0 + 0 + 1 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 3 + 1 + 1 + 1 + 0 + 0 + 0 + + + + + ..\Config;..\..\..\Source\include;..\..\..\Source\portable\GCC\ARM_CM33\secure + + + + 1 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + + + + + + + + + 0 + 0 + 0 + 0 + 1 + 0 + 0x00000000 + 0x20000000 + + .\FreeRTOSDemo_s.sct + + + + + + + + + + + SecureContext + + + secure_context.h + 5 + ..\..\..\Source\portable\GCC\ARM_CM33\secure\secure_context.h + + + secure_context.c + 1 + ..\..\..\Source\portable\GCC\ARM_CM33\secure\secure_context.c + + + secure_context_port.c + 1 + ..\..\..\Source\portable\GCC\ARM_CM33\secure\secure_context_port.c + + + secure_port_macros.h + 5 + ..\..\..\Source\portable\GCC\ARM_CM33\secure\secure_port_macros.h + + + + + SecureInit + + + secure_init.h + 5 + ..\..\..\Source\portable\GCC\ARM_CM33\secure\secure_init.h + + + secure_init.c + 1 + ..\..\..\Source\portable\GCC\ARM_CM33\secure\secure_init.c + + + + + SecureHeap + + + secure_heap.h + 5 + ..\..\..\Source\portable\GCC\ARM_CM33\secure\secure_heap.h + + + secure_heap.c + 1 + ..\..\..\Source\portable\GCC\ARM_CM33\secure\secure_heap.c + + + + + NSCFunctions + + + nsc_functions.h + 5 + ..\..\Common\ARMv8M\tz_demo\nsc_functions.h + + + nsc_functions.c + 1 + ..\..\Common\ARMv8M\tz_demo\nsc_functions.c + + + + + User + + + main_s.c + 1 + .\main_s.c + + + + + ::CMSIS + + + ::Device + + + + + + + + + + + + + + + + + + + + + + + + RTE\Device\ARMCM33_DSP_FP_TZ\partition_ARMCM33.h + + + + + + + + RTE\Device\ARMCM33_DSP_FP_TZ\startup_ARMCM33.s + + + + + + + + RTE\Device\ARMCM33_DSP_FP_TZ\system_ARMCM33.c + + + + + + + + + + diff --git a/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/RTE/Device/ARMCM33_DSP_FP_TZ/partition_ARMCM33.h b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/RTE/Device/ARMCM33_DSP_FP_TZ/partition_ARMCM33.h new file mode 100644 index 000000000..3a0f2e139 --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/RTE/Device/ARMCM33_DSP_FP_TZ/partition_ARMCM33.h @@ -0,0 +1,1260 @@ +/**************************************************************************//** + * @file partition_ARMCM33.h + * @brief CMSIS-CORE Initial Setup for Secure / Non-Secure Zones for ARMCM33 + * @version V5.0.1 + * @date 07. December 2016 + ******************************************************************************/ +/* + * Copyright (c) 2009-2016 ARM Limited. All rights reserved. + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the License); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef PARTITION_ARMCM33_H +#define PARTITION_ARMCM33_H + +/* +//-------- <<< Use Configuration Wizard in Context Menu >>> ----------------- +*/ + +/* +// Initialize Security Attribution Unit (SAU) CTRL register +*/ +#define SAU_INIT_CTRL 1 + +/* +// Enable SAU +// Value for SAU->CTRL register bit ENABLE +*/ +#define SAU_INIT_CTRL_ENABLE 1 + +/* +// When SAU is disabled +// <0=> All Memory is Secure +// <1=> All Memory is Non-Secure +// Value for SAU->CTRL register bit ALLNS +// When all Memory is Non-Secure (ALLNS is 1), IDAU can override memory map configuration. +*/ +#define SAU_INIT_CTRL_ALLNS 0 + +/* +// +*/ + +/* +// Initialize Security Attribution Unit (SAU) Address Regions +// SAU configuration specifies regions to be one of: +// - Secure and Non-Secure Callable +// - Non-Secure +// Note: All memory regions not configured by SAU are Secure +*/ +#define SAU_REGIONS_MAX 8 /* Max. number of SAU regions */ + +/* +// Initialize SAU Region 0 +// Setup SAU Region 0 memory attributes +*/ +#define SAU_INIT_REGION0 1 + +/* +// Start Address <0-0xFFFFFFE0> +*/ +#define SAU_INIT_START0 0x00000000 /* start address of SAU region 0 */ + +/* +// End Address <0x1F-0xFFFFFFFF> +*/ +#define SAU_INIT_END0 0x001FFFFF /* end address of SAU region 0 */ + +/* +// Region is +// <0=>Non-Secure +// <1=>Secure, Non-Secure Callable +*/ +#define SAU_INIT_NSC0 1 +/* +// +*/ + +/* +// Initialize SAU Region 1 +// Setup SAU Region 1 memory attributes +*/ +#define SAU_INIT_REGION1 1 + +/* +// Start Address <0-0xFFFFFFE0> +*/ +#define SAU_INIT_START1 0x00200000 + +/* +// End Address <0x1F-0xFFFFFFFF> +*/ +#define SAU_INIT_END1 0x003FFFFF + +/* +// Region is +// <0=>Non-Secure +// <1=>Secure, Non-Secure Callable +*/ +#define SAU_INIT_NSC1 0 +/* +// +*/ + +/* +// Initialize SAU Region 2 +// Setup SAU Region 2 memory attributes +*/ +#define SAU_INIT_REGION2 1 + +/* +// Start Address <0-0xFFFFFFE0> +*/ +#define SAU_INIT_START2 0x20200000 + +/* +// End Address <0x1F-0xFFFFFFFF> +*/ +#define SAU_INIT_END2 0x203FFFFF + +/* +// Region is +// <0=>Non-Secure +// <1=>Secure, Non-Secure Callable +*/ +#define SAU_INIT_NSC2 0 +/* +// +*/ + +/* +// Initialize SAU Region 3 +// Setup SAU Region 3 memory attributes +*/ +#define SAU_INIT_REGION3 1 + +/* +// Start Address <0-0xFFFFFFE0> +*/ +#define SAU_INIT_START3 0x40000000 + +/* +// End Address <0x1F-0xFFFFFFFF> +*/ +#define SAU_INIT_END3 0x40040000 + +/* +// Region is +// <0=>Non-Secure +// <1=>Secure, Non-Secure Callable +*/ +#define SAU_INIT_NSC3 0 +/* +// +*/ + +/* +// Initialize SAU Region 4 +// Setup SAU Region 4 memory attributes +*/ +#define SAU_INIT_REGION4 0 + +/* +// Start Address <0-0xFFFFFFE0> +*/ +#define SAU_INIT_START4 0x00000000 /* start address of SAU region 4 */ + +/* +// End Address <0x1F-0xFFFFFFFF> +*/ +#define SAU_INIT_END4 0x00000000 /* end address of SAU region 4 */ + +/* +// Region is +// <0=>Non-Secure +// <1=>Secure, Non-Secure Callable +*/ +#define SAU_INIT_NSC4 0 +/* +// +*/ + +/* +// Initialize SAU Region 5 +// Setup SAU Region 5 memory attributes +*/ +#define SAU_INIT_REGION5 0 + +/* +// Start Address <0-0xFFFFFFE0> +*/ +#define SAU_INIT_START5 0x00000000 + +/* +// End Address <0x1F-0xFFFFFFFF> +*/ +#define SAU_INIT_END5 0x00000000 + +/* +// Region is +// <0=>Non-Secure +// <1=>Secure, Non-Secure Callable +*/ +#define SAU_INIT_NSC5 0 +/* +// +*/ + +/* +// Initialize SAU Region 6 +// Setup SAU Region 6 memory attributes +*/ +#define SAU_INIT_REGION6 0 + +/* +// Start Address <0-0xFFFFFFE0> +*/ +#define SAU_INIT_START6 0x00000000 + +/* +// End Address <0x1F-0xFFFFFFFF> +*/ +#define SAU_INIT_END6 0x00000000 + +/* +// Region is +// <0=>Non-Secure +// <1=>Secure, Non-Secure Callable +*/ +#define SAU_INIT_NSC6 0 +/* +// +*/ + +/* +// Initialize SAU Region 7 +// Setup SAU Region 7 memory attributes +*/ +#define SAU_INIT_REGION7 0 + +/* +// Start Address <0-0xFFFFFFE0> +*/ +#define SAU_INIT_START7 0x00000000 + +/* +// End Address <0x1F-0xFFFFFFFF> +*/ +#define SAU_INIT_END7 0x00000000 + +/* +// Region is +// <0=>Non-Secure +// <1=>Secure, Non-Secure Callable +*/ +#define SAU_INIT_NSC7 0 +/* +// +*/ + +/* +// +*/ + +/* +// Setup behaviour of Sleep and Exception Handling +*/ +#define SCB_CSR_AIRCR_INIT 1 + +/* +// Deep Sleep can be enabled by +// <0=>Secure and Non-Secure state +// <1=>Secure state only +// Value for SCB->CSR register bit DEEPSLEEPS +*/ +#define SCB_CSR_DEEPSLEEPS_VAL 1 + +/* +// System reset request accessible from +// <0=> Secure and Non-Secure state +// <1=> Secure state only +// Value for SCB->AIRCR register bit SYSRESETREQS +*/ +#define SCB_AIRCR_SYSRESETREQS_VAL 1 + +/* +// Priority of Non-Secure exceptions is +// <0=> Not altered +// <1=> Lowered to 0x80-0xFF +// Value for SCB->AIRCR register bit PRIS +*/ +#define SCB_AIRCR_PRIS_VAL 1 + +/* +// BusFault, HardFault, and NMI target +// <0=> Secure state +// <1=> Non-Secure state +// Value for SCB->AIRCR register bit BFHFNMINS +*/ +#define SCB_AIRCR_BFHFNMINS_VAL 0 + +/* +// +*/ + +/* +// Setup behaviour of Floating Point Unit +*/ +#define TZ_FPU_NS_USAGE 1 + +/* +// Floating Point Unit usage +// <0=> Secure state only +// <3=> Secure and Non-Secure state +// Value for SCB->NSACR register bits CP10, CP11 +*/ +#define SCB_NSACR_CP10_11_VAL 3 + +/* +// Treat floating-point registers as Secure +// <0=> Disabled +// <1=> Enabled +// Value for FPU->FPCCR register bit TS +*/ +#define FPU_FPCCR_TS_VAL 0 + +/* +// Clear on return (CLRONRET) accessibility +// <0=> Secure and Non-Secure state +// <1=> Secure state only +// Value for FPU->FPCCR register bit CLRONRETS +*/ +#define FPU_FPCCR_CLRONRETS_VAL 0 + +/* +// Clear floating-point caller saved registers on exception return +// <0=> Disabled +// <1=> Enabled +// Value for FPU->FPCCR register bit CLRONRET +*/ +#define FPU_FPCCR_CLRONRET_VAL 1 + +/* +// +*/ + +/* +// Setup Interrupt Target +*/ + +/* +// Initialize ITNS 0 (Interrupts 0..31) +*/ +#define NVIC_INIT_ITNS0 1 + +/* +// Interrupts 0..31 +// Interrupt 0 <0=> Secure state <1=> Non-Secure state +// Interrupt 1 <0=> Secure state <1=> Non-Secure state +// Interrupt 2 <0=> Secure state <1=> Non-Secure state +// Interrupt 3 <0=> Secure state <1=> Non-Secure state +// Interrupt 4 <0=> Secure state <1=> Non-Secure state +// Interrupt 5 <0=> Secure state <1=> Non-Secure state +// Interrupt 6 <0=> Secure state <1=> Non-Secure state +// Interrupt 7 <0=> Secure state <1=> Non-Secure state +// Interrupt 8 <0=> Secure state <1=> Non-Secure state +// Interrupt 9 <0=> Secure state <1=> Non-Secure state +// Interrupt 10 <0=> Secure state <1=> Non-Secure state +// Interrupt 11 <0=> Secure state <1=> Non-Secure state +// Interrupt 12 <0=> Secure state <1=> Non-Secure state +// Interrupt 13 <0=> Secure state <1=> Non-Secure state +// Interrupt 14 <0=> Secure state <1=> Non-Secure state +// Interrupt 15 <0=> Secure state <1=> Non-Secure state +// Interrupt 16 <0=> Secure state <1=> Non-Secure state +// Interrupt 17 <0=> Secure state <1=> Non-Secure state +// Interrupt 18 <0=> Secure state <1=> Non-Secure state +// Interrupt 19 <0=> Secure state <1=> Non-Secure state +// Interrupt 20 <0=> Secure state <1=> Non-Secure state +// Interrupt 21 <0=> Secure state <1=> Non-Secure state +// Interrupt 22 <0=> Secure state <1=> Non-Secure state +// Interrupt 23 <0=> Secure state <1=> Non-Secure state +// Interrupt 24 <0=> Secure state <1=> Non-Secure state +// Interrupt 25 <0=> Secure state <1=> Non-Secure state +// Interrupt 26 <0=> Secure state <1=> Non-Secure state +// Interrupt 27 <0=> Secure state <1=> Non-Secure state +// Interrupt 28 <0=> Secure state <1=> Non-Secure state +// Interrupt 29 <0=> Secure state <1=> Non-Secure state +// Interrupt 30 <0=> Secure state <1=> Non-Secure state +// Interrupt 31 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS0_VAL 0x0000122B + +/* +// +*/ + +/* +// Initialize ITNS 1 (Interrupts 32..63) +*/ +#define NVIC_INIT_ITNS1 1 + +/* +// Interrupts 32..63 +// Interrupt 32 <0=> Secure state <1=> Non-Secure state +// Interrupt 33 <0=> Secure state <1=> Non-Secure state +// Interrupt 34 <0=> Secure state <1=> Non-Secure state +// Interrupt 35 <0=> Secure state <1=> Non-Secure state +// Interrupt 36 <0=> Secure state <1=> Non-Secure state +// Interrupt 37 <0=> Secure state <1=> Non-Secure state +// Interrupt 38 <0=> Secure state <1=> Non-Secure state +// Interrupt 39 <0=> Secure state <1=> Non-Secure state +// Interrupt 40 <0=> Secure state <1=> Non-Secure state +// Interrupt 41 <0=> Secure state <1=> Non-Secure state +// Interrupt 42 <0=> Secure state <1=> Non-Secure state +// Interrupt 43 <0=> Secure state <1=> Non-Secure state +// Interrupt 44 <0=> Secure state <1=> Non-Secure state +// Interrupt 45 <0=> Secure state <1=> Non-Secure state +// Interrupt 46 <0=> Secure state <1=> Non-Secure state +// Interrupt 47 <0=> Secure state <1=> Non-Secure state +// Interrupt 48 <0=> Secure state <1=> Non-Secure state +// Interrupt 49 <0=> Secure state <1=> Non-Secure state +// Interrupt 50 <0=> Secure state <1=> Non-Secure state +// Interrupt 51 <0=> Secure state <1=> Non-Secure state +// Interrupt 52 <0=> Secure state <1=> Non-Secure state +// Interrupt 53 <0=> Secure state <1=> Non-Secure state +// Interrupt 54 <0=> Secure state <1=> Non-Secure state +// Interrupt 55 <0=> Secure state <1=> Non-Secure state +// Interrupt 56 <0=> Secure state <1=> Non-Secure state +// Interrupt 57 <0=> Secure state <1=> Non-Secure state +// Interrupt 58 <0=> Secure state <1=> Non-Secure state +// Interrupt 59 <0=> Secure state <1=> Non-Secure state +// Interrupt 60 <0=> Secure state <1=> Non-Secure state +// Interrupt 61 <0=> Secure state <1=> Non-Secure state +// Interrupt 62 <0=> Secure state <1=> Non-Secure state +// Interrupt 63 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS1_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 2 (Interrupts 64..95) +*/ +#define NVIC_INIT_ITNS2 0 + +/* +// Interrupts 64..95 +// Interrupt 64 <0=> Secure state <1=> Non-Secure state +// Interrupt 65 <0=> Secure state <1=> Non-Secure state +// Interrupt 66 <0=> Secure state <1=> Non-Secure state +// Interrupt 67 <0=> Secure state <1=> Non-Secure state +// Interrupt 68 <0=> Secure state <1=> Non-Secure state +// Interrupt 69 <0=> Secure state <1=> Non-Secure state +// Interrupt 70 <0=> Secure state <1=> Non-Secure state +// Interrupt 71 <0=> Secure state <1=> Non-Secure state +// Interrupt 72 <0=> Secure state <1=> Non-Secure state +// Interrupt 73 <0=> Secure state <1=> Non-Secure state +// Interrupt 74 <0=> Secure state <1=> Non-Secure state +// Interrupt 75 <0=> Secure state <1=> Non-Secure state +// Interrupt 76 <0=> Secure state <1=> Non-Secure state +// Interrupt 77 <0=> Secure state <1=> Non-Secure state +// Interrupt 78 <0=> Secure state <1=> Non-Secure state +// Interrupt 79 <0=> Secure state <1=> Non-Secure state +// Interrupt 80 <0=> Secure state <1=> Non-Secure state +// Interrupt 81 <0=> Secure state <1=> Non-Secure state +// Interrupt 82 <0=> Secure state <1=> Non-Secure state +// Interrupt 83 <0=> Secure state <1=> Non-Secure state +// Interrupt 84 <0=> Secure state <1=> Non-Secure state +// Interrupt 85 <0=> Secure state <1=> Non-Secure state +// Interrupt 86 <0=> Secure state <1=> Non-Secure state +// Interrupt 87 <0=> Secure state <1=> Non-Secure state +// Interrupt 88 <0=> Secure state <1=> Non-Secure state +// Interrupt 89 <0=> Secure state <1=> Non-Secure state +// Interrupt 90 <0=> Secure state <1=> Non-Secure state +// Interrupt 91 <0=> Secure state <1=> Non-Secure state +// Interrupt 92 <0=> Secure state <1=> Non-Secure state +// Interrupt 93 <0=> Secure state <1=> Non-Secure state +// Interrupt 94 <0=> Secure state <1=> Non-Secure state +// Interrupt 95 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS2_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 3 (Interrupts 96..127) +*/ +#define NVIC_INIT_ITNS3 0 + +/* +// Interrupts 96..127 +// Interrupt 96 <0=> Secure state <1=> Non-Secure state +// Interrupt 97 <0=> Secure state <1=> Non-Secure state +// Interrupt 98 <0=> Secure state <1=> Non-Secure state +// Interrupt 99 <0=> Secure state <1=> Non-Secure state +// Interrupt 100 <0=> Secure state <1=> Non-Secure state +// Interrupt 101 <0=> Secure state <1=> Non-Secure state +// Interrupt 102 <0=> Secure state <1=> Non-Secure state +// Interrupt 103 <0=> Secure state <1=> Non-Secure state +// Interrupt 104 <0=> Secure state <1=> Non-Secure state +// Interrupt 105 <0=> Secure state <1=> Non-Secure state +// Interrupt 106 <0=> Secure state <1=> Non-Secure state +// Interrupt 107 <0=> Secure state <1=> Non-Secure state +// Interrupt 108 <0=> Secure state <1=> Non-Secure state +// Interrupt 109 <0=> Secure state <1=> Non-Secure state +// Interrupt 110 <0=> Secure state <1=> Non-Secure state +// Interrupt 111 <0=> Secure state <1=> Non-Secure state +// Interrupt 112 <0=> Secure state <1=> Non-Secure state +// Interrupt 113 <0=> Secure state <1=> Non-Secure state +// Interrupt 114 <0=> Secure state <1=> Non-Secure state +// Interrupt 115 <0=> Secure state <1=> Non-Secure state +// Interrupt 116 <0=> Secure state <1=> Non-Secure state +// Interrupt 117 <0=> Secure state <1=> Non-Secure state +// Interrupt 118 <0=> Secure state <1=> Non-Secure state +// Interrupt 119 <0=> Secure state <1=> Non-Secure state +// Interrupt 120 <0=> Secure state <1=> Non-Secure state +// Interrupt 121 <0=> Secure state <1=> Non-Secure state +// Interrupt 122 <0=> Secure state <1=> Non-Secure state +// Interrupt 123 <0=> Secure state <1=> Non-Secure state +// Interrupt 124 <0=> Secure state <1=> Non-Secure state +// Interrupt 125 <0=> Secure state <1=> Non-Secure state +// Interrupt 126 <0=> Secure state <1=> Non-Secure state +// Interrupt 127 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS3_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 4 (Interrupts 128..159) +*/ +#define NVIC_INIT_ITNS4 0 + +/* +// Interrupts 128..159 +// Interrupt 128 <0=> Secure state <1=> Non-Secure state +// Interrupt 129 <0=> Secure state <1=> Non-Secure state +// Interrupt 130 <0=> Secure state <1=> Non-Secure state +// Interrupt 131 <0=> Secure state <1=> Non-Secure state +// Interrupt 132 <0=> Secure state <1=> Non-Secure state +// Interrupt 133 <0=> Secure state <1=> Non-Secure state +// Interrupt 134 <0=> Secure state <1=> Non-Secure state +// Interrupt 135 <0=> Secure state <1=> Non-Secure state +// Interrupt 136 <0=> Secure state <1=> Non-Secure state +// Interrupt 137 <0=> Secure state <1=> Non-Secure state +// Interrupt 138 <0=> Secure state <1=> Non-Secure state +// Interrupt 139 <0=> Secure state <1=> Non-Secure state +// Interrupt 140 <0=> Secure state <1=> Non-Secure state +// Interrupt 141 <0=> Secure state <1=> Non-Secure state +// Interrupt 142 <0=> Secure state <1=> Non-Secure state +// Interrupt 143 <0=> Secure state <1=> Non-Secure state +// Interrupt 144 <0=> Secure state <1=> Non-Secure state +// Interrupt 145 <0=> Secure state <1=> Non-Secure state +// Interrupt 146 <0=> Secure state <1=> Non-Secure state +// Interrupt 147 <0=> Secure state <1=> Non-Secure state +// Interrupt 148 <0=> Secure state <1=> Non-Secure state +// Interrupt 149 <0=> Secure state <1=> Non-Secure state +// Interrupt 150 <0=> Secure state <1=> Non-Secure state +// Interrupt 151 <0=> Secure state <1=> Non-Secure state +// Interrupt 152 <0=> Secure state <1=> Non-Secure state +// Interrupt 153 <0=> Secure state <1=> Non-Secure state +// Interrupt 154 <0=> Secure state <1=> Non-Secure state +// Interrupt 155 <0=> Secure state <1=> Non-Secure state +// Interrupt 156 <0=> Secure state <1=> Non-Secure state +// Interrupt 157 <0=> Secure state <1=> Non-Secure state +// Interrupt 158 <0=> Secure state <1=> Non-Secure state +// Interrupt 159 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS4_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 5 (Interrupts 160..191) +*/ +#define NVIC_INIT_ITNS5 0 + +/* +// Interrupts 160..191 +// Interrupt 160 <0=> Secure state <1=> Non-Secure state +// Interrupt 161 <0=> Secure state <1=> Non-Secure state +// Interrupt 162 <0=> Secure state <1=> Non-Secure state +// Interrupt 163 <0=> Secure state <1=> Non-Secure state +// Interrupt 164 <0=> Secure state <1=> Non-Secure state +// Interrupt 165 <0=> Secure state <1=> Non-Secure state +// Interrupt 166 <0=> Secure state <1=> Non-Secure state +// Interrupt 167 <0=> Secure state <1=> Non-Secure state +// Interrupt 168 <0=> Secure state <1=> Non-Secure state +// Interrupt 169 <0=> Secure state <1=> Non-Secure state +// Interrupt 170 <0=> Secure state <1=> Non-Secure state +// Interrupt 171 <0=> Secure state <1=> Non-Secure state +// Interrupt 172 <0=> Secure state <1=> Non-Secure state +// Interrupt 173 <0=> Secure state <1=> Non-Secure state +// Interrupt 174 <0=> Secure state <1=> Non-Secure state +// Interrupt 175 <0=> Secure state <1=> Non-Secure state +// Interrupt 176 <0=> Secure state <1=> Non-Secure state +// Interrupt 177 <0=> Secure state <1=> Non-Secure state +// Interrupt 178 <0=> Secure state <1=> Non-Secure state +// Interrupt 179 <0=> Secure state <1=> Non-Secure state +// Interrupt 180 <0=> Secure state <1=> Non-Secure state +// Interrupt 181 <0=> Secure state <1=> Non-Secure state +// Interrupt 182 <0=> Secure state <1=> Non-Secure state +// Interrupt 183 <0=> Secure state <1=> Non-Secure state +// Interrupt 184 <0=> Secure state <1=> Non-Secure state +// Interrupt 185 <0=> Secure state <1=> Non-Secure state +// Interrupt 186 <0=> Secure state <1=> Non-Secure state +// Interrupt 187 <0=> Secure state <1=> Non-Secure state +// Interrupt 188 <0=> Secure state <1=> Non-Secure state +// Interrupt 189 <0=> Secure state <1=> Non-Secure state +// Interrupt 190 <0=> Secure state <1=> Non-Secure state +// Interrupt 191 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS5_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 6 (Interrupts 192..223) +*/ +#define NVIC_INIT_ITNS6 0 + +/* +// Interrupts 192..223 +// Interrupt 192 <0=> Secure state <1=> Non-Secure state +// Interrupt 193 <0=> Secure state <1=> Non-Secure state +// Interrupt 194 <0=> Secure state <1=> Non-Secure state +// Interrupt 195 <0=> Secure state <1=> Non-Secure state +// Interrupt 196 <0=> Secure state <1=> Non-Secure state +// Interrupt 197 <0=> Secure state <1=> Non-Secure state +// Interrupt 198 <0=> Secure state <1=> Non-Secure state +// Interrupt 199 <0=> Secure state <1=> Non-Secure state +// Interrupt 200 <0=> Secure state <1=> Non-Secure state +// Interrupt 201 <0=> Secure state <1=> Non-Secure state +// Interrupt 202 <0=> Secure state <1=> Non-Secure state +// Interrupt 203 <0=> Secure state <1=> Non-Secure state +// Interrupt 204 <0=> Secure state <1=> Non-Secure state +// Interrupt 205 <0=> Secure state <1=> Non-Secure state +// Interrupt 206 <0=> Secure state <1=> Non-Secure state +// Interrupt 207 <0=> Secure state <1=> Non-Secure state +// Interrupt 208 <0=> Secure state <1=> Non-Secure state +// Interrupt 209 <0=> Secure state <1=> Non-Secure state +// Interrupt 210 <0=> Secure state <1=> Non-Secure state +// Interrupt 211 <0=> Secure state <1=> Non-Secure state +// Interrupt 212 <0=> Secure state <1=> Non-Secure state +// Interrupt 213 <0=> Secure state <1=> Non-Secure state +// Interrupt 214 <0=> Secure state <1=> Non-Secure state +// Interrupt 215 <0=> Secure state <1=> Non-Secure state +// Interrupt 216 <0=> Secure state <1=> Non-Secure state +// Interrupt 217 <0=> Secure state <1=> Non-Secure state +// Interrupt 218 <0=> Secure state <1=> Non-Secure state +// Interrupt 219 <0=> Secure state <1=> Non-Secure state +// Interrupt 220 <0=> Secure state <1=> Non-Secure state +// Interrupt 221 <0=> Secure state <1=> Non-Secure state +// Interrupt 222 <0=> Secure state <1=> Non-Secure state +// Interrupt 223 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS6_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 7 (Interrupts 224..255) +*/ +#define NVIC_INIT_ITNS7 0 + +/* +// Interrupts 224..255 +// Interrupt 224 <0=> Secure state <1=> Non-Secure state +// Interrupt 225 <0=> Secure state <1=> Non-Secure state +// Interrupt 226 <0=> Secure state <1=> Non-Secure state +// Interrupt 227 <0=> Secure state <1=> Non-Secure state +// Interrupt 228 <0=> Secure state <1=> Non-Secure state +// Interrupt 229 <0=> Secure state <1=> Non-Secure state +// Interrupt 230 <0=> Secure state <1=> Non-Secure state +// Interrupt 231 <0=> Secure state <1=> Non-Secure state +// Interrupt 232 <0=> Secure state <1=> Non-Secure state +// Interrupt 233 <0=> Secure state <1=> Non-Secure state +// Interrupt 234 <0=> Secure state <1=> Non-Secure state +// Interrupt 235 <0=> Secure state <1=> Non-Secure state +// Interrupt 236 <0=> Secure state <1=> Non-Secure state +// Interrupt 237 <0=> Secure state <1=> Non-Secure state +// Interrupt 238 <0=> Secure state <1=> Non-Secure state +// Interrupt 239 <0=> Secure state <1=> Non-Secure state +// Interrupt 240 <0=> Secure state <1=> Non-Secure state +// Interrupt 241 <0=> Secure state <1=> Non-Secure state +// Interrupt 242 <0=> Secure state <1=> Non-Secure state +// Interrupt 243 <0=> Secure state <1=> Non-Secure state +// Interrupt 244 <0=> Secure state <1=> Non-Secure state +// Interrupt 245 <0=> Secure state <1=> Non-Secure state +// Interrupt 246 <0=> Secure state <1=> Non-Secure state +// Interrupt 247 <0=> Secure state <1=> Non-Secure state +// Interrupt 248 <0=> Secure state <1=> Non-Secure state +// Interrupt 249 <0=> Secure state <1=> Non-Secure state +// Interrupt 250 <0=> Secure state <1=> Non-Secure state +// Interrupt 251 <0=> Secure state <1=> Non-Secure state +// Interrupt 252 <0=> Secure state <1=> Non-Secure state +// Interrupt 253 <0=> Secure state <1=> Non-Secure state +// Interrupt 254 <0=> Secure state <1=> Non-Secure state +// Interrupt 255 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS7_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 8 (Interrupts 256..287) +*/ +#define NVIC_INIT_ITNS8 0 + +/* +// Interrupts 0..31 +// Interrupt 256 <0=> Secure state <1=> Non-Secure state +// Interrupt 257 <0=> Secure state <1=> Non-Secure state +// Interrupt 258 <0=> Secure state <1=> Non-Secure state +// Interrupt 259 <0=> Secure state <1=> Non-Secure state +// Interrupt 260 <0=> Secure state <1=> Non-Secure state +// Interrupt 261 <0=> Secure state <1=> Non-Secure state +// Interrupt 262 <0=> Secure state <1=> Non-Secure state +// Interrupt 263 <0=> Secure state <1=> Non-Secure state +// Interrupt 264 <0=> Secure state <1=> Non-Secure state +// Interrupt 265 <0=> Secure state <1=> Non-Secure state +// Interrupt 266 <0=> Secure state <1=> Non-Secure state +// Interrupt 267 <0=> Secure state <1=> Non-Secure state +// Interrupt 268 <0=> Secure state <1=> Non-Secure state +// Interrupt 269 <0=> Secure state <1=> Non-Secure state +// Interrupt 270 <0=> Secure state <1=> Non-Secure state +// Interrupt 271 <0=> Secure state <1=> Non-Secure state +// Interrupt 272 <0=> Secure state <1=> Non-Secure state +// Interrupt 273 <0=> Secure state <1=> Non-Secure state +// Interrupt 274 <0=> Secure state <1=> Non-Secure state +// Interrupt 275 <0=> Secure state <1=> Non-Secure state +// Interrupt 276 <0=> Secure state <1=> Non-Secure state +// Interrupt 277 <0=> Secure state <1=> Non-Secure state +// Interrupt 278 <0=> Secure state <1=> Non-Secure state +// Interrupt 279 <0=> Secure state <1=> Non-Secure state +// Interrupt 280 <0=> Secure state <1=> Non-Secure state +// Interrupt 281 <0=> Secure state <1=> Non-Secure state +// Interrupt 282 <0=> Secure state <1=> Non-Secure state +// Interrupt 283 <0=> Secure state <1=> Non-Secure state +// Interrupt 284 <0=> Secure state <1=> Non-Secure state +// Interrupt 285 <0=> Secure state <1=> Non-Secure state +// Interrupt 286 <0=> Secure state <1=> Non-Secure state +// Interrupt 287 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS8_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 9 (Interrupts 288..319) +*/ +#define NVIC_INIT_ITNS9 0 + +/* +// Interrupts 32..63 +// Interrupt 288 <0=> Secure state <1=> Non-Secure state +// Interrupt 289 <0=> Secure state <1=> Non-Secure state +// Interrupt 290 <0=> Secure state <1=> Non-Secure state +// Interrupt 291 <0=> Secure state <1=> Non-Secure state +// Interrupt 292 <0=> Secure state <1=> Non-Secure state +// Interrupt 293 <0=> Secure state <1=> Non-Secure state +// Interrupt 294 <0=> Secure state <1=> Non-Secure state +// Interrupt 295 <0=> Secure state <1=> Non-Secure state +// Interrupt 296 <0=> Secure state <1=> Non-Secure state +// Interrupt 297 <0=> Secure state <1=> Non-Secure state +// Interrupt 298 <0=> Secure state <1=> Non-Secure state +// Interrupt 299 <0=> Secure state <1=> Non-Secure state +// Interrupt 300 <0=> Secure state <1=> Non-Secure state +// Interrupt 301 <0=> Secure state <1=> Non-Secure state +// Interrupt 302 <0=> Secure state <1=> Non-Secure state +// Interrupt 303 <0=> Secure state <1=> Non-Secure state +// Interrupt 304 <0=> Secure state <1=> Non-Secure state +// Interrupt 305 <0=> Secure state <1=> Non-Secure state +// Interrupt 306 <0=> Secure state <1=> Non-Secure state +// Interrupt 307 <0=> Secure state <1=> Non-Secure state +// Interrupt 308 <0=> Secure state <1=> Non-Secure state +// Interrupt 309 <0=> Secure state <1=> Non-Secure state +// Interrupt 310 <0=> Secure state <1=> Non-Secure state +// Interrupt 311 <0=> Secure state <1=> Non-Secure state +// Interrupt 312 <0=> Secure state <1=> Non-Secure state +// Interrupt 313 <0=> Secure state <1=> Non-Secure state +// Interrupt 314 <0=> Secure state <1=> Non-Secure state +// Interrupt 315 <0=> Secure state <1=> Non-Secure state +// Interrupt 316 <0=> Secure state <1=> Non-Secure state +// Interrupt 317 <0=> Secure state <1=> Non-Secure state +// Interrupt 318 <0=> Secure state <1=> Non-Secure state +// Interrupt 319 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS9_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 10 (Interrupts 320..351) +*/ +#define NVIC_INIT_ITNS10 0 + +/* +// Interrupts 64..95 +// Interrupt 320 <0=> Secure state <1=> Non-Secure state +// Interrupt 321 <0=> Secure state <1=> Non-Secure state +// Interrupt 322 <0=> Secure state <1=> Non-Secure state +// Interrupt 323 <0=> Secure state <1=> Non-Secure state +// Interrupt 324 <0=> Secure state <1=> Non-Secure state +// Interrupt 325 <0=> Secure state <1=> Non-Secure state +// Interrupt 326 <0=> Secure state <1=> Non-Secure state +// Interrupt 327 <0=> Secure state <1=> Non-Secure state +// Interrupt 328 <0=> Secure state <1=> Non-Secure state +// Interrupt 329 <0=> Secure state <1=> Non-Secure state +// Interrupt 330 <0=> Secure state <1=> Non-Secure state +// Interrupt 331 <0=> Secure state <1=> Non-Secure state +// Interrupt 332 <0=> Secure state <1=> Non-Secure state +// Interrupt 333 <0=> Secure state <1=> Non-Secure state +// Interrupt 334 <0=> Secure state <1=> Non-Secure state +// Interrupt 335 <0=> Secure state <1=> Non-Secure state +// Interrupt 336 <0=> Secure state <1=> Non-Secure state +// Interrupt 337 <0=> Secure state <1=> Non-Secure state +// Interrupt 338 <0=> Secure state <1=> Non-Secure state +// Interrupt 339 <0=> Secure state <1=> Non-Secure state +// Interrupt 340 <0=> Secure state <1=> Non-Secure state +// Interrupt 341 <0=> Secure state <1=> Non-Secure state +// Interrupt 342 <0=> Secure state <1=> Non-Secure state +// Interrupt 343 <0=> Secure state <1=> Non-Secure state +// Interrupt 344 <0=> Secure state <1=> Non-Secure state +// Interrupt 345 <0=> Secure state <1=> Non-Secure state +// Interrupt 346 <0=> Secure state <1=> Non-Secure state +// Interrupt 347 <0=> Secure state <1=> Non-Secure state +// Interrupt 348 <0=> Secure state <1=> Non-Secure state +// Interrupt 349 <0=> Secure state <1=> Non-Secure state +// Interrupt 350 <0=> Secure state <1=> Non-Secure state +// Interrupt 351 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS10_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 11 (Interrupts 352..383) +*/ +#define NVIC_INIT_ITNS11 0 + +/* +// Interrupts 96..127 +// Interrupt 352 <0=> Secure state <1=> Non-Secure state +// Interrupt 353 <0=> Secure state <1=> Non-Secure state +// Interrupt 354 <0=> Secure state <1=> Non-Secure state +// Interrupt 355 <0=> Secure state <1=> Non-Secure state +// Interrupt 356 <0=> Secure state <1=> Non-Secure state +// Interrupt 357 <0=> Secure state <1=> Non-Secure state +// Interrupt 358 <0=> Secure state <1=> Non-Secure state +// Interrupt 359 <0=> Secure state <1=> Non-Secure state +// Interrupt 360 <0=> Secure state <1=> Non-Secure state +// Interrupt 361 <0=> Secure state <1=> Non-Secure state +// Interrupt 362 <0=> Secure state <1=> Non-Secure state +// Interrupt 363 <0=> Secure state <1=> Non-Secure state +// Interrupt 364 <0=> Secure state <1=> Non-Secure state +// Interrupt 365 <0=> Secure state <1=> Non-Secure state +// Interrupt 366 <0=> Secure state <1=> Non-Secure state +// Interrupt 367 <0=> Secure state <1=> Non-Secure state +// Interrupt 368 <0=> Secure state <1=> Non-Secure state +// Interrupt 369 <0=> Secure state <1=> Non-Secure state +// Interrupt 370 <0=> Secure state <1=> Non-Secure state +// Interrupt 371 <0=> Secure state <1=> Non-Secure state +// Interrupt 372 <0=> Secure state <1=> Non-Secure state +// Interrupt 373 <0=> Secure state <1=> Non-Secure state +// Interrupt 374 <0=> Secure state <1=> Non-Secure state +// Interrupt 375 <0=> Secure state <1=> Non-Secure state +// Interrupt 376 <0=> Secure state <1=> Non-Secure state +// Interrupt 377 <0=> Secure state <1=> Non-Secure state +// Interrupt 378 <0=> Secure state <1=> Non-Secure state +// Interrupt 379 <0=> Secure state <1=> Non-Secure state +// Interrupt 380 <0=> Secure state <1=> Non-Secure state +// Interrupt 381 <0=> Secure state <1=> Non-Secure state +// Interrupt 382 <0=> Secure state <1=> Non-Secure state +// Interrupt 383 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS11_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 12 (Interrupts 384..415) +*/ +#define NVIC_INIT_ITNS12 0 + +/* +// Interrupts 128..159 +// Interrupt 384 <0=> Secure state <1=> Non-Secure state +// Interrupt 385 <0=> Secure state <1=> Non-Secure state +// Interrupt 386 <0=> Secure state <1=> Non-Secure state +// Interrupt 387 <0=> Secure state <1=> Non-Secure state +// Interrupt 388 <0=> Secure state <1=> Non-Secure state +// Interrupt 389 <0=> Secure state <1=> Non-Secure state +// Interrupt 390 <0=> Secure state <1=> Non-Secure state +// Interrupt 391 <0=> Secure state <1=> Non-Secure state +// Interrupt 392 <0=> Secure state <1=> Non-Secure state +// Interrupt 393 <0=> Secure state <1=> Non-Secure state +// Interrupt 394 <0=> Secure state <1=> Non-Secure state +// Interrupt 395 <0=> Secure state <1=> Non-Secure state +// Interrupt 396 <0=> Secure state <1=> Non-Secure state +// Interrupt 397 <0=> Secure state <1=> Non-Secure state +// Interrupt 398 <0=> Secure state <1=> Non-Secure state +// Interrupt 399 <0=> Secure state <1=> Non-Secure state +// Interrupt 400 <0=> Secure state <1=> Non-Secure state +// Interrupt 401 <0=> Secure state <1=> Non-Secure state +// Interrupt 402 <0=> Secure state <1=> Non-Secure state +// Interrupt 403 <0=> Secure state <1=> Non-Secure state +// Interrupt 404 <0=> Secure state <1=> Non-Secure state +// Interrupt 405 <0=> Secure state <1=> Non-Secure state +// Interrupt 406 <0=> Secure state <1=> Non-Secure state +// Interrupt 407 <0=> Secure state <1=> Non-Secure state +// Interrupt 408 <0=> Secure state <1=> Non-Secure state +// Interrupt 409 <0=> Secure state <1=> Non-Secure state +// Interrupt 410 <0=> Secure state <1=> Non-Secure state +// Interrupt 411 <0=> Secure state <1=> Non-Secure state +// Interrupt 412 <0=> Secure state <1=> Non-Secure state +// Interrupt 413 <0=> Secure state <1=> Non-Secure state +// Interrupt 414 <0=> Secure state <1=> Non-Secure state +// Interrupt 415 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS12_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 13 (Interrupts 416..447) +*/ +#define NVIC_INIT_ITNS13 0 + +/* +// Interrupts 160..191 +// Interrupt 416 <0=> Secure state <1=> Non-Secure state +// Interrupt 417 <0=> Secure state <1=> Non-Secure state +// Interrupt 418 <0=> Secure state <1=> Non-Secure state +// Interrupt 419 <0=> Secure state <1=> Non-Secure state +// Interrupt 420 <0=> Secure state <1=> Non-Secure state +// Interrupt 421 <0=> Secure state <1=> Non-Secure state +// Interrupt 422 <0=> Secure state <1=> Non-Secure state +// Interrupt 423 <0=> Secure state <1=> Non-Secure state +// Interrupt 424 <0=> Secure state <1=> Non-Secure state +// Interrupt 425 <0=> Secure state <1=> Non-Secure state +// Interrupt 426 <0=> Secure state <1=> Non-Secure state +// Interrupt 427 <0=> Secure state <1=> Non-Secure state +// Interrupt 428 <0=> Secure state <1=> Non-Secure state +// Interrupt 429 <0=> Secure state <1=> Non-Secure state +// Interrupt 430 <0=> Secure state <1=> Non-Secure state +// Interrupt 431 <0=> Secure state <1=> Non-Secure state +// Interrupt 432 <0=> Secure state <1=> Non-Secure state +// Interrupt 433 <0=> Secure state <1=> Non-Secure state +// Interrupt 434 <0=> Secure state <1=> Non-Secure state +// Interrupt 435 <0=> Secure state <1=> Non-Secure state +// Interrupt 436 <0=> Secure state <1=> Non-Secure state +// Interrupt 437 <0=> Secure state <1=> Non-Secure state +// Interrupt 438 <0=> Secure state <1=> Non-Secure state +// Interrupt 439 <0=> Secure state <1=> Non-Secure state +// Interrupt 440 <0=> Secure state <1=> Non-Secure state +// Interrupt 441 <0=> Secure state <1=> Non-Secure state +// Interrupt 442 <0=> Secure state <1=> Non-Secure state +// Interrupt 443 <0=> Secure state <1=> Non-Secure state +// Interrupt 444 <0=> Secure state <1=> Non-Secure state +// Interrupt 445 <0=> Secure state <1=> Non-Secure state +// Interrupt 446 <0=> Secure state <1=> Non-Secure state +// Interrupt 447 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS13_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 14 (Interrupts 448..479) +*/ +#define NVIC_INIT_ITNS14 0 + +/* +// Interrupts 192..223 +// Interrupt 448 <0=> Secure state <1=> Non-Secure state +// Interrupt 449 <0=> Secure state <1=> Non-Secure state +// Interrupt 450 <0=> Secure state <1=> Non-Secure state +// Interrupt 451 <0=> Secure state <1=> Non-Secure state +// Interrupt 452 <0=> Secure state <1=> Non-Secure state +// Interrupt 453 <0=> Secure state <1=> Non-Secure state +// Interrupt 454 <0=> Secure state <1=> Non-Secure state +// Interrupt 455 <0=> Secure state <1=> Non-Secure state +// Interrupt 456 <0=> Secure state <1=> Non-Secure state +// Interrupt 457 <0=> Secure state <1=> Non-Secure state +// Interrupt 458 <0=> Secure state <1=> Non-Secure state +// Interrupt 459 <0=> Secure state <1=> Non-Secure state +// Interrupt 460 <0=> Secure state <1=> Non-Secure state +// Interrupt 461 <0=> Secure state <1=> Non-Secure state +// Interrupt 462 <0=> Secure state <1=> Non-Secure state +// Interrupt 463 <0=> Secure state <1=> Non-Secure state +// Interrupt 464 <0=> Secure state <1=> Non-Secure state +// Interrupt 465 <0=> Secure state <1=> Non-Secure state +// Interrupt 466 <0=> Secure state <1=> Non-Secure state +// Interrupt 467 <0=> Secure state <1=> Non-Secure state +// Interrupt 468 <0=> Secure state <1=> Non-Secure state +// Interrupt 469 <0=> Secure state <1=> Non-Secure state +// Interrupt 470 <0=> Secure state <1=> Non-Secure state +// Interrupt 471 <0=> Secure state <1=> Non-Secure state +// Interrupt 472 <0=> Secure state <1=> Non-Secure state +// Interrupt 473 <0=> Secure state <1=> Non-Secure state +// Interrupt 474 <0=> Secure state <1=> Non-Secure state +// Interrupt 475 <0=> Secure state <1=> Non-Secure state +// Interrupt 476 <0=> Secure state <1=> Non-Secure state +// Interrupt 477 <0=> Secure state <1=> Non-Secure state +// Interrupt 478 <0=> Secure state <1=> Non-Secure state +// Interrupt 479 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS14_VAL 0x00000000 + +/* +// +*/ + +/* +// Initialize ITNS 15 (Interrupts 480..511) +*/ +#define NVIC_INIT_ITNS15 0 + +/* +// Interrupts 224..255 +// Interrupt 480 <0=> Secure state <1=> Non-Secure state +// Interrupt 481 <0=> Secure state <1=> Non-Secure state +// Interrupt 482 <0=> Secure state <1=> Non-Secure state +// Interrupt 483 <0=> Secure state <1=> Non-Secure state +// Interrupt 484 <0=> Secure state <1=> Non-Secure state +// Interrupt 485 <0=> Secure state <1=> Non-Secure state +// Interrupt 486 <0=> Secure state <1=> Non-Secure state +// Interrupt 487 <0=> Secure state <1=> Non-Secure state +// Interrupt 488 <0=> Secure state <1=> Non-Secure state +// Interrupt 489 <0=> Secure state <1=> Non-Secure state +// Interrupt 490 <0=> Secure state <1=> Non-Secure state +// Interrupt 491 <0=> Secure state <1=> Non-Secure state +// Interrupt 492 <0=> Secure state <1=> Non-Secure state +// Interrupt 493 <0=> Secure state <1=> Non-Secure state +// Interrupt 494 <0=> Secure state <1=> Non-Secure state +// Interrupt 495 <0=> Secure state <1=> Non-Secure state +// Interrupt 496 <0=> Secure state <1=> Non-Secure state +// Interrupt 497 <0=> Secure state <1=> Non-Secure state +// Interrupt 498 <0=> Secure state <1=> Non-Secure state +// Interrupt 499 <0=> Secure state <1=> Non-Secure state +// Interrupt 500 <0=> Secure state <1=> Non-Secure state +// Interrupt 501 <0=> Secure state <1=> Non-Secure state +// Interrupt 502 <0=> Secure state <1=> Non-Secure state +// Interrupt 503 <0=> Secure state <1=> Non-Secure state +// Interrupt 504 <0=> Secure state <1=> Non-Secure state +// Interrupt 505 <0=> Secure state <1=> Non-Secure state +// Interrupt 506 <0=> Secure state <1=> Non-Secure state +// Interrupt 507 <0=> Secure state <1=> Non-Secure state +// Interrupt 508 <0=> Secure state <1=> Non-Secure state +// Interrupt 509 <0=> Secure state <1=> Non-Secure state +// Interrupt 510 <0=> Secure state <1=> Non-Secure state +// Interrupt 511 <0=> Secure state <1=> Non-Secure state +*/ +#define NVIC_INIT_ITNS15_VAL 0x00000000 + +/* +// +*/ + +/* +// +*/ + + + +/* + max 128 SAU regions. + SAU regions are defined in partition.h + */ + +#define SAU_INIT_REGION(n) \ + SAU->RNR = (n & SAU_RNR_REGION_Msk); \ + SAU->RBAR = (SAU_INIT_START##n & SAU_RBAR_BADDR_Msk); \ + SAU->RLAR = (SAU_INIT_END##n & SAU_RLAR_LADDR_Msk) | \ + ((SAU_INIT_NSC##n << SAU_RLAR_NSC_Pos) & SAU_RLAR_NSC_Msk) | 1U + +/** + \brief Setup a SAU Region + \details Writes the region information contained in SAU_Region to the + registers SAU_RNR, SAU_RBAR, and SAU_RLAR + */ +__STATIC_INLINE void TZ_SAU_Setup (void) +{ + +#if defined (__SAUREGION_PRESENT) && (__SAUREGION_PRESENT == 1U) + + #if defined (SAU_INIT_REGION0) && (SAU_INIT_REGION0 == 1U) + SAU_INIT_REGION(0); + #endif + + #if defined (SAU_INIT_REGION1) && (SAU_INIT_REGION1 == 1U) + SAU_INIT_REGION(1); + #endif + + #if defined (SAU_INIT_REGION2) && (SAU_INIT_REGION2 == 1U) + SAU_INIT_REGION(2); + #endif + + #if defined (SAU_INIT_REGION3) && (SAU_INIT_REGION3 == 1U) + SAU_INIT_REGION(3); + #endif + + #if defined (SAU_INIT_REGION4) && (SAU_INIT_REGION4 == 1U) + SAU_INIT_REGION(4); + #endif + + #if defined (SAU_INIT_REGION5) && (SAU_INIT_REGION5 == 1U) + SAU_INIT_REGION(5); + #endif + + #if defined (SAU_INIT_REGION6) && (SAU_INIT_REGION6 == 1U) + SAU_INIT_REGION(6); + #endif + + #if defined (SAU_INIT_REGION7) && (SAU_INIT_REGION7 == 1U) + SAU_INIT_REGION(7); + #endif + + /* repeat this for all possible SAU regions */ + +#endif /* defined (__SAUREGION_PRESENT) && (__SAUREGION_PRESENT == 1U) */ + + + #if defined (SAU_INIT_CTRL) && (SAU_INIT_CTRL == 1U) + SAU->CTRL = ((SAU_INIT_CTRL_ENABLE << SAU_CTRL_ENABLE_Pos) & SAU_CTRL_ENABLE_Msk) | + ((SAU_INIT_CTRL_ALLNS << SAU_CTRL_ALLNS_Pos) & SAU_CTRL_ALLNS_Msk) ; + #endif + + #if defined (SCB_CSR_AIRCR_INIT) && (SCB_CSR_AIRCR_INIT == 1U) + SCB->SCR = (SCB->SCR & ~(SCB_SCR_SLEEPDEEPS_Msk )) | + ((SCB_CSR_DEEPSLEEPS_VAL << SCB_SCR_SLEEPDEEPS_Pos) & SCB_SCR_SLEEPDEEPS_Msk); + + SCB->AIRCR = (SCB->AIRCR & ~(SCB_AIRCR_VECTKEY_Msk | SCB_AIRCR_SYSRESETREQS_Msk | + SCB_AIRCR_BFHFNMINS_Msk | SCB_AIRCR_PRIS_Msk )) | + ((0x05FAU << SCB_AIRCR_VECTKEY_Pos) & SCB_AIRCR_VECTKEY_Msk) | + ((SCB_AIRCR_SYSRESETREQS_VAL << SCB_AIRCR_SYSRESETREQS_Pos) & SCB_AIRCR_SYSRESETREQS_Msk) | + ((SCB_AIRCR_PRIS_VAL << SCB_AIRCR_PRIS_Pos) & SCB_AIRCR_PRIS_Msk) | + ((SCB_AIRCR_BFHFNMINS_VAL << SCB_AIRCR_BFHFNMINS_Pos) & SCB_AIRCR_BFHFNMINS_Msk); + #endif /* defined (SCB_CSR_AIRCR_INIT) && (SCB_CSR_AIRCR_INIT == 1U) */ + + #if defined (__FPU_USED) && (__FPU_USED == 1U) && \ + defined (TZ_FPU_NS_USAGE) && (TZ_FPU_NS_USAGE == 1U) + + SCB->NSACR = (SCB->NSACR & ~(SCB_NSACR_CP10_Msk | SCB_NSACR_CP10_Msk)) | + ((SCB_NSACR_CP10_11_VAL << SCB_NSACR_CP10_Pos) & (SCB_NSACR_CP10_Msk | SCB_NSACR_CP11_Msk)); + + FPU->FPCCR = (FPU->FPCCR & ~(FPU_FPCCR_TS_Msk | FPU_FPCCR_CLRONRETS_Msk | FPU_FPCCR_CLRONRET_Msk)) | + ((FPU_FPCCR_TS_VAL << FPU_FPCCR_TS_Pos ) & FPU_FPCCR_TS_Msk ) | + ((FPU_FPCCR_CLRONRETS_VAL << FPU_FPCCR_CLRONRETS_Pos) & FPU_FPCCR_CLRONRETS_Msk) | + ((FPU_FPCCR_CLRONRET_VAL << FPU_FPCCR_CLRONRET_Pos ) & FPU_FPCCR_CLRONRET_Msk ); + #endif + + #if defined (NVIC_INIT_ITNS0) && (NVIC_INIT_ITNS0 == 1U) + NVIC->ITNS[0] = NVIC_INIT_ITNS0_VAL; + #endif + + #if defined (NVIC_INIT_ITNS1) && (NVIC_INIT_ITNS1 == 1U) + NVIC->ITNS[1] = NVIC_INIT_ITNS1_VAL; + #endif + + #if defined (NVIC_INIT_ITNS2) && (NVIC_INIT_ITNS2 == 1U) + NVIC->ITNS[2] = NVIC_INIT_ITNS2_VAL; + #endif + + #if defined (NVIC_INIT_ITNS3) && (NVIC_INIT_ITNS3 == 1U) + NVIC->ITNS[3] = NVIC_INIT_ITNS3_VAL; + #endif + + #if defined (NVIC_INIT_ITNS4) && (NVIC_INIT_ITNS4 == 1U) + NVIC->ITNS[4] = NVIC_INIT_ITNS4_VAL; + #endif + + #if defined (NVIC_INIT_ITNS5) && (NVIC_INIT_ITNS5 == 1U) + NVIC->ITNS[5] = NVIC_INIT_ITNS5_VAL; + #endif + + #if defined (NVIC_INIT_ITNS6) && (NVIC_INIT_ITNS6 == 1U) + NVIC->ITNS[6] = NVIC_INIT_ITNS6_VAL; + #endif + + #if defined (NVIC_INIT_ITNS7) && (NVIC_INIT_ITNS7 == 1U) + NVIC->ITNS[7] = NVIC_INIT_ITNS7_VAL; + #endif + + #if defined (NVIC_INIT_ITNS8) && (NVIC_INIT_ITNS8 == 1U) + NVIC->ITNS[8] = NVIC_INIT_ITNS8_VAL; + #endif + + #if defined (NVIC_INIT_ITNS9) && (NVIC_INIT_ITNS9 == 1U) + NVIC->ITNS[9] = NVIC_INIT_ITNS9_VAL; + #endif + + #if defined (NVIC_INIT_ITNS10) && (NVIC_INIT_ITNS10 == 1U) + NVIC->ITNS[10] = NVIC_INIT_ITNS10_VAL; + #endif + + #if defined (NVIC_INIT_ITNS11) && (NVIC_INIT_ITNS11 == 1U) + NVIC->ITNS[11] = NVIC_INIT_ITNS11_VAL; + #endif + + #if defined (NVIC_INIT_ITNS12) && (NVIC_INIT_ITNS12 == 1U) + NVIC->ITNS[12] = NVIC_INIT_ITNS12_VAL; + #endif + + #if defined (NVIC_INIT_ITNS13) && (NVIC_INIT_ITNS13 == 1U) + NVIC->ITNS[13] = NVIC_INIT_ITNS13_VAL; + #endif + + #if defined (NVIC_INIT_ITNS14) && (NVIC_INIT_ITNS14 == 1U) + NVIC->ITNS[14] = NVIC_INIT_ITNS14_VAL; + #endif + + #if defined (NVIC_INIT_ITNS15) && (NVIC_INIT_ITNS15 == 1U) + NVIC->ITNS[15] = NVIC_INIT_ITNS15_VAL; + #endif + + /* repeat this for all possible ITNS elements */ + +} + +#endif /* PARTITION_ARMCM33_H */ diff --git a/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/RTE/Device/ARMCM33_DSP_FP_TZ/startup_ARMCM33.s b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/RTE/Device/ARMCM33_DSP_FP_TZ/startup_ARMCM33.s new file mode 100644 index 000000000..bbba5e35b --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/RTE/Device/ARMCM33_DSP_FP_TZ/startup_ARMCM33.s @@ -0,0 +1,267 @@ +;/**************************************************************************//** +; * @file startup_ARMCM33.s +; * @brief CMSIS Core Device Startup File for +; * ARMCM33 Device Series +; * @version V5.00 +; * @date 21. October 2016 +; ******************************************************************************/ +;/* +; * Copyright (c) 2009-2016 ARM Limited. All rights reserved. +; * +; * SPDX-License-Identifier: Apache-2.0 +; * +; * Licensed under the Apache License, Version 2.0 (the License); you may +; * not use this file except in compliance with the License. +; * You may obtain a copy of the License at +; * +; * www.apache.org/licenses/LICENSE-2.0 +; * +; * Unless required by applicable law or agreed to in writing, software +; * distributed under the License is distributed on an AS IS BASIS, WITHOUT +; * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +; * See the License for the specific language governing permissions and +; * limitations under the License. +; */ + +;/* +;//-------- <<< Use Configuration Wizard in Context Menu >>> ------------------ +;*/ + + +; Stack Configuration +; Stack Size (in Bytes) <0x0-0xFFFFFFFF:8> +; + +Stack_Size EQU 0x00000400 + + AREA STACK, NOINIT, READWRITE, ALIGN=3 +Stack_Mem SPACE Stack_Size +__initial_sp + + +; Heap Configuration +; Heap Size (in Bytes) <0x0-0xFFFFFFFF:8> +; + +Heap_Size EQU 0x00000C00 + + AREA HEAP, NOINIT, READWRITE, ALIGN=3 +__heap_base +Heap_Mem SPACE Heap_Size +__heap_limit + + + PRESERVE8 + THUMB + + +; Vector Table Mapped to Address 0 at Reset + + AREA RESET, DATA, READONLY + EXPORT __Vectors + EXPORT __Vectors_End + EXPORT __Vectors_Size + +__Vectors DCD __initial_sp ; Top of Stack + DCD Reset_Handler ; Reset Handler + DCD NMI_Handler ; NMI Handler + DCD HardFault_Handler ; Hard Fault Handler + DCD MemManage_Handler ; MPU Fault Handler + DCD BusFault_Handler ; Bus Fault Handler + DCD UsageFault_Handler ; Usage Fault Handler + DCD SecureFault_Handler ; Secure Fault Handler + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD SVC_Handler ; SVCall Handler + DCD DebugMon_Handler ; Debug Monitor Handler + DCD 0 ; Reserved + DCD PendSV_Handler ; PendSV Handler + DCD SysTick_Handler ; SysTick Handler + + ; External Interrupts + DCD WDT_IRQHandler ; 0: Watchdog Timer + DCD RTC_IRQHandler ; 1: Real Time Clock + DCD TIM0_IRQHandler ; 2: Timer0 / Timer1 + DCD TIM2_IRQHandler ; 3: Timer2 / Timer3 + DCD MCIA_IRQHandler ; 4: MCIa + DCD MCIB_IRQHandler ; 5: MCIb + DCD UART0_IRQHandler ; 6: UART0 - DUT FPGA + DCD UART1_IRQHandler ; 7: UART1 - DUT FPGA + DCD UART2_IRQHandler ; 8: UART2 - DUT FPGA + DCD UART4_IRQHandler ; 9: UART4 - not connected + DCD AACI_IRQHandler ; 10: AACI / AC97 + DCD CLCD_IRQHandler ; 11: CLCD Combined Interrupt + DCD ENET_IRQHandler ; 12: Ethernet + DCD USBDC_IRQHandler ; 13: USB Device + DCD USBHC_IRQHandler ; 14: USB Host Controller + DCD CHLCD_IRQHandler ; 15: Character LCD + DCD FLEXRAY_IRQHandler ; 16: Flexray + DCD CAN_IRQHandler ; 17: CAN + DCD LIN_IRQHandler ; 18: LIN + DCD I2C_IRQHandler ; 19: I2C ADC/DAC + DCD 0 ; 20: Reserved + DCD 0 ; 21: Reserved + DCD 0 ; 22: Reserved + DCD 0 ; 23: Reserved + DCD 0 ; 24: Reserved + DCD 0 ; 25: Reserved + DCD 0 ; 26: Reserved + DCD 0 ; 27: Reserved + DCD CPU_CLCD_IRQHandler ; 28: Reserved - CPU FPGA CLCD + DCD 0 ; 29: Reserved - CPU FPGA + DCD UART3_IRQHandler ; 30: UART3 - CPU FPGA + DCD SPI_IRQHandler ; 31: SPI Touchscreen - CPU FPGA +__Vectors_End + +__Vectors_Size EQU __Vectors_End - __Vectors + + AREA |.text|, CODE, READONLY + + +; Reset Handler + +Reset_Handler PROC + EXPORT Reset_Handler [WEAK] + IMPORT SystemInit + IMPORT __main + LDR R0, =SystemInit + BLX R0 + LDR R0, =__main + BX R0 + ENDP + + +; Dummy Exception Handlers (infinite loops which can be modified) + +NMI_Handler PROC + EXPORT NMI_Handler [WEAK] + B . + ENDP +HardFault_Handler\ + PROC + EXPORT HardFault_Handler [WEAK] + B . + ENDP +MemManage_Handler\ + PROC + EXPORT MemManage_Handler [WEAK] + B . + ENDP +BusFault_Handler\ + PROC + EXPORT BusFault_Handler [WEAK] + B . + ENDP +UsageFault_Handler\ + PROC + EXPORT UsageFault_Handler [WEAK] + B . + ENDP +SecureFault_Handler\ + PROC + EXPORT SecureFault_Handler [WEAK] + B . + ENDP +SVC_Handler PROC + EXPORT SVC_Handler [WEAK] + B . + ENDP +DebugMon_Handler\ + PROC + EXPORT DebugMon_Handler [WEAK] + B . + ENDP +PendSV_Handler PROC + EXPORT PendSV_Handler [WEAK] + B . + ENDP +SysTick_Handler PROC + EXPORT SysTick_Handler [WEAK] + B . + ENDP + +Default_Handler PROC + + EXPORT WDT_IRQHandler [WEAK] + EXPORT RTC_IRQHandler [WEAK] + EXPORT TIM0_IRQHandler [WEAK] + EXPORT TIM2_IRQHandler [WEAK] + EXPORT MCIA_IRQHandler [WEAK] + EXPORT MCIB_IRQHandler [WEAK] + EXPORT UART0_IRQHandler [WEAK] + EXPORT UART1_IRQHandler [WEAK] + EXPORT UART2_IRQHandler [WEAK] + EXPORT UART3_IRQHandler [WEAK] + EXPORT UART4_IRQHandler [WEAK] + EXPORT AACI_IRQHandler [WEAK] + EXPORT CLCD_IRQHandler [WEAK] + EXPORT ENET_IRQHandler [WEAK] + EXPORT USBDC_IRQHandler [WEAK] + EXPORT USBHC_IRQHandler [WEAK] + EXPORT CHLCD_IRQHandler [WEAK] + EXPORT FLEXRAY_IRQHandler [WEAK] + EXPORT CAN_IRQHandler [WEAK] + EXPORT LIN_IRQHandler [WEAK] + EXPORT I2C_IRQHandler [WEAK] + EXPORT CPU_CLCD_IRQHandler [WEAK] + EXPORT SPI_IRQHandler [WEAK] + +WDT_IRQHandler +RTC_IRQHandler +TIM0_IRQHandler +TIM2_IRQHandler +MCIA_IRQHandler +MCIB_IRQHandler +UART0_IRQHandler +UART1_IRQHandler +UART2_IRQHandler +UART3_IRQHandler +UART4_IRQHandler +AACI_IRQHandler +CLCD_IRQHandler +ENET_IRQHandler +USBDC_IRQHandler +USBHC_IRQHandler +CHLCD_IRQHandler +FLEXRAY_IRQHandler +CAN_IRQHandler +LIN_IRQHandler +I2C_IRQHandler +CPU_CLCD_IRQHandler +SPI_IRQHandler + B . + + ENDP + + + ALIGN + + +; User Initial Stack & Heap + + IF :DEF:__MICROLIB + + EXPORT __initial_sp + EXPORT __heap_base + EXPORT __heap_limit + + ELSE + + IMPORT __use_two_region_memory + EXPORT __user_initial_stackheap + +__user_initial_stackheap PROC + LDR R0, = Heap_Mem + LDR R1, =(Stack_Mem + Stack_Size) + LDR R2, = (Heap_Mem + Heap_Size) + LDR R3, = Stack_Mem + BX LR + ENDP + + ALIGN + + ENDIF + + + END diff --git a/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/RTE/Device/ARMCM33_DSP_FP_TZ/system_ARMCM33.c b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/RTE/Device/ARMCM33_DSP_FP_TZ/system_ARMCM33.c new file mode 100644 index 000000000..9d13d545c --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/RTE/Device/ARMCM33_DSP_FP_TZ/system_ARMCM33.c @@ -0,0 +1,99 @@ +/**************************************************************************//** + * @file system_ARMCM33.c + * @brief CMSIS Device System Source File for + * ARMCM33 Device Series + * @version V5.00 + * @date 02. November 2016 + ******************************************************************************/ +/* + * Copyright (c) 2009-2016 ARM Limited. All rights reserved. + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the License); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#if defined (ARMCM33) + #include "ARMCM33.h" +#elif defined (ARMCM33_TZ) + #include "ARMCM33_TZ.h" + + #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) + #include "partition_ARMCM33.h" + #endif +#elif defined (ARMCM33_DSP_FP) + #include "ARMCM33_DSP_FP.h" +#elif defined (ARMCM33_DSP_FP_TZ) + #include "ARMCM33_DSP_FP_TZ.h" + + #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) + #include "partition_ARMCM33.h" + #endif +#else + #error device not specified! +#endif + +/*---------------------------------------------------------------------------- + Define clocks + *----------------------------------------------------------------------------*/ +#define XTAL ( 5000000UL) /* Oscillator frequency */ + +#define SYSTEM_CLOCK (5U * XTAL) + + +/*---------------------------------------------------------------------------- + Externals + *----------------------------------------------------------------------------*/ +#if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U) + extern uint32_t __Vectors; +#endif + +/*---------------------------------------------------------------------------- + System Core Clock Variable + *----------------------------------------------------------------------------*/ +uint32_t SystemCoreClock = SYSTEM_CLOCK; + + +/*---------------------------------------------------------------------------- + System Core Clock update function + *----------------------------------------------------------------------------*/ +void SystemCoreClockUpdate (void) +{ + SystemCoreClock = SYSTEM_CLOCK; +} + +/*---------------------------------------------------------------------------- + System initialization function + *----------------------------------------------------------------------------*/ +void SystemInit (void) +{ + +#if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U) + SCB->VTOR = (uint32_t) &__Vectors; +#endif + +#if defined (__FPU_USED) && (__FPU_USED == 1U) + SCB->CPACR |= ((3U << 10U*2U) | /* set CP10 Full Access */ + (3U << 11U*2U) ); /* set CP11 Full Access */ +#endif + +#ifdef UNALIGNED_SUPPORT_DISABLE + SCB->CCR |= SCB_CCR_UNALIGN_TRP_Msk; +#endif + +#if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) + TZ_SAU_Setup(); +#endif + + SystemCoreClock = SYSTEM_CLOCK; +} diff --git a/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/main_s.c b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/main_s.c new file mode 100644 index 000000000..0d7600a41 --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_MPU_M33F_Simulator_Keil_GCC/Secure/main_s.c @@ -0,0 +1,79 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Use CMSE intrinsics */ +#include +#include "RTE_Components.h" +#include CMSIS_device_header + +/* FreeRTOS includes. */ +#include "secure_port_macros.h" + +/* Start address of non-secure application. */ +#define mainNONSECURE_APP_START_ADDRESS ( 0x200000U ) + +/* typedef for non-secure Reset Handler. */ +typedef void ( *NonSecureResetHandler_t ) ( void ) __attribute__( ( cmse_nonsecure_call ) ); +/*-----------------------------------------------------------*/ + +/* Boot into the non-secure code. */ +void BootNonSecure( uint32_t ulNonSecureStartAddress ); +/*-----------------------------------------------------------*/ + +void BootNonSecure( uint32_t ulNonSecureStartAddress ) +{ + NonSecureResetHandler_t pxNonSecureResetHandler; + + /* Main Stack Pointer value for the non-secure side is the first entry in + * the non-secure vector table. Read the first entry and assign the same to + * the non-secure main stack pointer(MSP_NS). */ + secureportSET_MSP_NS( *( ( uint32_t * )( ulNonSecureStartAddress ) ) ); + + /* Non secure Reset Handler is the second entry in the non-secure vector + * table. Read the non-secure reset handler. + */ + pxNonSecureResetHandler = ( NonSecureResetHandler_t )( * ( ( uint32_t * ) ( ( ulNonSecureStartAddress ) + 4U ) ) ); + + /* Start non-secure software application by jumping to the non-secure Reset + * Handler. */ + pxNonSecureResetHandler(); +} +/*-----------------------------------------------------------*/ + +/* Secure main() */ +int main( void ) +{ + /* Boot the non-secure code. */ + BootNonSecure( mainNONSECURE_APP_START_ADDRESS ); + + /* Non-secure software does not return, this code is not executed. */ + for( ; ; ) + { + /* Should not reach here. */ + } +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Demo/Common/ARMv8M/mpu_demo/mpu_demo.c b/FreeRTOS/Demo/Common/ARMv8M/mpu_demo/mpu_demo.c new file mode 100644 index 000000000..d3a81faca --- /dev/null +++ b/FreeRTOS/Demo/Common/ARMv8M/mpu_demo/mpu_demo.c @@ -0,0 +1,192 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* FreeRTOS includes. */ +#include "FreeRTOS.h" +#include "task.h" + +/** + * @brief Size of the shared memory region. + */ +#define SHARED_MEMORY_SIZE 32 + +/** + * @brief Memory region shared between two tasks. + */ +static uint8_t ucSharedMemory[ SHARED_MEMORY_SIZE ] __attribute__( ( aligned( 32 ) ) ); + +/** + * @brief Memory region used to track Memory Fault intentionally caused by the + * RO Access task. + * + * RO Access task sets ucROTaskFaultTracker[ 0 ] to 1 before accessing illegal + * memory. Illegal memory access causes Memory Fault and the fault handler + * checks ucROTaskFaultTracker[ 0 ] to see if this is an expected fault. We + * recover gracefully from an expected fault by jumping to the next instruction. + * + * @note We are declaring a region of 32 bytes even though we need only one. The + * reason is that the size of an MPU region must be a multiple of 32 bytes. + */ +static uint8_t ucROTaskFaultTracker[ SHARED_MEMORY_SIZE ] __attribute__( ( aligned( 32 ) ) ) = { 0 }; +/*-----------------------------------------------------------*/ + +/** + * @brief Implements the task which has Read Only access to the memory region + * ucSharedMemory. + * + * @param pvParameters[in] Parameters as passed during task creation. + */ +static void prvROAccessTask( void * pvParameters ); + +/** + * @brief Implements the task which has Read Write access to the memory region + * ucSharedMemory. + * + * @param pvParameters[in] Parameters as passed during task creation. + */ +static void prvRWAccessTask( void * pvParameters ); + +/*-----------------------------------------------------------*/ + +static void prvROAccessTask( void * pvParameters ) +{ +uint8_t ucVal; + + /* Unused parameters. */ + ( void ) pvParameters; + + for( ; ; ) + { + /* This task has RO access to ucSharedMemory and therefore it can read + * it but cannot modify it. */ + ucVal = ucSharedMemory[ 0 ]; + + /* Silent compiler warnings about unused variables. */ + ( void ) ucVal; + + /* Since this task has Read Only access to the ucSharedMemory region, + * writing to it results in Memory Fault. Set ucROTaskFaultTracker[ 0 ] + * to 1 to tell the Memory Fault Handler that this is an expected fault. + * The handler will recover from this fault gracefully by jumping to the + * next instruction. */ + ucROTaskFaultTracker[ 0 ] = 1; + + /* Illegal access to generate Memory Fault. */ + ucSharedMemory[ 0 ] = 0; + + /* Wait for a second. */ + vTaskDelay( pdMS_TO_TICKS( 1000 ) ); + } +} +/*-----------------------------------------------------------*/ + +static void prvRWAccessTask( void * pvParameters ) +{ + /* Unused parameters. */ + ( void ) pvParameters; + + for( ; ; ) + { + /* This task has RW access to ucSharedMemory and therefore can write to + * it. */ + ucSharedMemory[ 0 ] = 0; + + /* Wait for a second. */ + vTaskDelay( pdMS_TO_TICKS( 1000 ) ); + } +} +/*-----------------------------------------------------------*/ + +void vStartMPUDemo( void ) +{ +static StackType_t xROAccessTaskStack[ configMINIMAL_STACK_SIZE ] __attribute__( ( aligned( 32 ) ) ); +static StackType_t xRWAccessTaskStack[ configMINIMAL_STACK_SIZE ] __attribute__( ( aligned( 32 ) ) ); +TaskParameters_t xROAccessTaskParameters = +{ + .pvTaskCode = prvROAccessTask, + .pcName = "ROAccess", + .usStackDepth = configMINIMAL_STACK_SIZE, + .pvParameters = NULL, + .uxPriority = tskIDLE_PRIORITY, + .puxStackBuffer = xROAccessTaskStack, + .xRegions = { + { ucSharedMemory, 32, tskMPU_REGION_READ_ONLY | tskMPU_REGION_EXECUTE_NEVER }, + { ucROTaskFaultTracker, 32, tskMPU_REGION_READ_WRITE | tskMPU_REGION_EXECUTE_NEVER }, + { 0, 0, 0 }, + } +}; +TaskParameters_t xRWAccessTaskParameters = +{ + .pvTaskCode = prvRWAccessTask, + .pcName = "RWAccess", + .usStackDepth = configMINIMAL_STACK_SIZE, + .pvParameters = NULL, + .uxPriority = tskIDLE_PRIORITY, + .puxStackBuffer = xRWAccessTaskStack, + .xRegions = { + { ucSharedMemory, 32, tskMPU_REGION_READ_WRITE | tskMPU_REGION_EXECUTE_NEVER }, + { 0, 0, 0 }, + { 0, 0, 0 }, + } +}; + + /* Create an unprivileged task with RO access to ucSharedMemory. */ + xTaskCreateRestricted( &( xROAccessTaskParameters ), NULL ); + + /* Create an unprivileged task with RW access to ucSharedMemory. */ + xTaskCreateRestricted( &( xRWAccessTaskParameters ), NULL ); +} +/*-----------------------------------------------------------*/ + +void vHandleMemoryFault( uint32_t * pulFaultStackAddress ) +{ +uint32_t ulPC; + + /* Is this an expected fault? */ + if( ucROTaskFaultTracker[ 0 ] == 1 ) + { + /* Read program counter. */ + ulPC = pulFaultStackAddress[ 6 ]; + + /* Increment the program counter by 2 to move to the next instruction. */ + ulPC += 2; + + /* Save the new program counter on the stack. */ + pulFaultStackAddress[ 6 ] = ulPC; + + /* Mark the fault as handled. */ + ucROTaskFaultTracker[ 0 ] = 0; + } + else + { + /* This is an unexpected fault - loop forever. */ + for( ; ; ) + { + } + } +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Demo/Common/ARMv8M/mpu_demo/mpu_demo.h b/FreeRTOS/Demo/Common/ARMv8M/mpu_demo/mpu_demo.h new file mode 100644 index 000000000..aef28a868 --- /dev/null +++ b/FreeRTOS/Demo/Common/ARMv8M/mpu_demo/mpu_demo.h @@ -0,0 +1,45 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __MPU_DEMO_H__ +#define __MPU_DEMO_H__ + +/** + * @brief Creates all the tasks for MPU demo. + * + * The MPU demo creates 2 unprivileged tasks - One of which has Read Only access + * to a shared memory region while the other has Read Write access. The task + * with Read Only access then tries to write to the shared memory which results + * in a Memory fault. The fault handler examines that it is the fault generated + * by the task with Read Only access and if so, it recovers from the fault + * greacefully by moving the Program Counter to the next instruction to the one + * which generated the fault. If any other memory access violation occurs, the + * fault handler will get stuck in an inifinite loop. + */ +void vStartMPUDemo( void ); + +#endif /* __MPU_DEMO_H__ */ diff --git a/FreeRTOS/Demo/Common/ARMv8M/tz_demo/nsc_functions.c b/FreeRTOS/Demo/Common/ARMv8M/tz_demo/nsc_functions.c new file mode 100644 index 000000000..aaf31a728 --- /dev/null +++ b/FreeRTOS/Demo/Common/ARMv8M/tz_demo/nsc_functions.c @@ -0,0 +1,59 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#include +#include "nsc_functions.h" +#include "secure_port_macros.h" + +/** + * @brief Counter returned from NSCFunction. + */ +static uint32_t ulSecureCounter = 0; + +/** + * @brief typedef for non-secure callback. + */ +typedef void ( *NonSecureCallback_t ) ( void ) __attribute__( ( cmse_nonsecure_call ) ); +/*-----------------------------------------------------------*/ + +secureportNON_SECURE_CALLABLE uint32_t NSCFunction( Callback_t pxCallback ) +{ +NonSecureCallback_t pxNonSecureCallback; + + /* Return function pointer with cleared LSB. */ + pxNonSecureCallback = ( NonSecureCallback_t ) cmse_nsfptr_create( pxCallback ); + + /* Invoke the supplied callback. */ + pxNonSecureCallback(); + + /* Increment the secure side counter. */ + ulSecureCounter += 1; + + /* Return the secure side counter. */ + return ulSecureCounter; +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Demo/Common/ARMv8M/tz_demo/nsc_functions.h b/FreeRTOS/Demo/Common/ARMv8M/tz_demo/nsc_functions.h new file mode 100644 index 000000000..22fb2433a --- /dev/null +++ b/FreeRTOS/Demo/Common/ARMv8M/tz_demo/nsc_functions.h @@ -0,0 +1,51 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __NSC_FUNCTIONS_H__ +#define __NSC_FUNCTIONS_H__ + +#include + +/** + * @brief Callback function pointer definition. + */ +typedef void ( *Callback_t ) ( void ); + +/** + * @brief Invokes the supplied callback which is on the non-secure side. + * + * Returns a number which is one more than the value returned in previous + * invocation of this function. Initial invocation returns 1. + * + * @param pxCallback[in] The callback to invoke. + * + * @return A number which is one more than the value returned in previous + * invocation of this function. + */ +uint32_t NSCFunction( Callback_t pxCallback ); + +#endif /* __NSC_FUNCTIONS_H__ */ diff --git a/FreeRTOS/Demo/Common/ARMv8M/tz_demo/tz_demo.c b/FreeRTOS/Demo/Common/ARMv8M/tz_demo/tz_demo.c new file mode 100644 index 000000000..1a1c37049 --- /dev/null +++ b/FreeRTOS/Demo/Common/ARMv8M/tz_demo/tz_demo.c @@ -0,0 +1,133 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* FreeRTOS includes. */ +#include "FreeRTOS.h" +#include "task.h" + +/* Non-Secure callable functions. */ +#include "nsc_functions.h" + +/** + * @brief Counter incremented in the callback which is called from the secure + * side. + * + * The size of an MPU region must be a multiple of 32 bytes. Therefore we need + * to declare an array of size 8 to ensure that the total size is 32 bytes - + * even though we only need 4 bytes. If we do not do that, anything placed after + * 4 bytes and upto 32 bytes will also fall in the same MPU region and the task + * having access to ulNonSecureCounter will also have access to all those items. + */ +static uint32_t ulNonSecureCounter[8] __attribute__( ( aligned( 32 ) ) ) = { 0 }; +/*-----------------------------------------------------------*/ + +/** + * @brief Creates all the tasks for TZ demo. + */ +void vStartTZDemo( void ); + +/** + * @brief Increments the ulNonSecureCounter. + * + * This function is called from the secure side. + */ +static void prvCallback( void ); + +/** + * @brief Implements the task which calls the functions exported from the secure + * side. + * + * @param pvParameters[in] Parameters as passed during task creation. + */ +static void prvSecureCallingTask( void * pvParameters ); +/*-----------------------------------------------------------*/ + +void vStartTZDemo( void ) +{ +static StackType_t xSecureCallingTaskStack[ configMINIMAL_STACK_SIZE ] __attribute__( ( aligned( 32 ) ) ); +TaskParameters_t xSecureCallingTaskParameters = +{ + .pvTaskCode = prvSecureCallingTask, + .pcName = "SecCalling", + .usStackDepth = configMINIMAL_STACK_SIZE, + .pvParameters = NULL, + .uxPriority = tskIDLE_PRIORITY, + .puxStackBuffer = xSecureCallingTaskStack, + .xRegions = { + { ulNonSecureCounter, 32, tskMPU_REGION_READ_WRITE | tskMPU_REGION_EXECUTE_NEVER }, + { 0, 0, 0 }, + { 0, 0, 0 }, + } +}; + + /* Create an unprivileged task which calls secure functions. */ + xTaskCreateRestricted( &( xSecureCallingTaskParameters ), NULL ); +} +/*-----------------------------------------------------------*/ + +static void prvCallback( void ) +{ + /* This function is called from the secure side. Just increment the counter + * here. The check that this counter keeps incrementing is performed in the + * prvSecureCallingTask. */ + ulNonSecureCounter[ 0 ] += 1; +} +/*-----------------------------------------------------------*/ + +static void prvSecureCallingTask( void * pvParameters ) +{ +uint32_t ulLastSecureCounter = 0, ulLastNonSecureCounter = 0; +uint32_t ulCurrentSecureCounter = 0; + + /* This task calls secure side functions. So allocate a secure context for + * it. */ + portALLOCATE_SECURE_CONTEXT( configMINIMAL_SECURE_STACK_SIZE ); + + for( ; ; ) + { + /* Call the secure side function. It does two things: + * - It calls the supplied function (prvCallback) which in turn + * increments the non-secure counter. + * - It increments the secure counter and returns the incremented value. + * Therefore at the end of this function call both the secure and + * non-secure counters must have been incremented. + */ + ulCurrentSecureCounter = NSCFunction( prvCallback ); + + /* Make sure that both the counters are incremented. */ + configASSERT( ulCurrentSecureCounter == ulLastSecureCounter + 1 ); + configASSERT( ulNonSecureCounter[ 0 ] == ulLastNonSecureCounter + 1 ); + + /* Update the last values for both the counters. */ + ulLastSecureCounter = ulCurrentSecureCounter; + ulLastNonSecureCounter = ulNonSecureCounter[ 0 ]; + + /* Wait for a second. */ + vTaskDelay( pdMS_TO_TICKS( 1000 ) ); + } +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Demo/Common/ARMv8M/tz_demo/tz_demo.h b/FreeRTOS/Demo/Common/ARMv8M/tz_demo/tz_demo.h new file mode 100644 index 000000000..da112fa6e --- /dev/null +++ b/FreeRTOS/Demo/Common/ARMv8M/tz_demo/tz_demo.h @@ -0,0 +1,45 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __TZ_DEMO_H__ +#define __TZ_DEMO_H__ + +/** + * @brief Creates all the tasks for TZ demo. + * + * The Trust Zone (TZ) demo creates an unprivileged task which calls a secure + * side function and passes a pointer to a callback function. The secure side + * function does two things: + * 1. It calls the provided callback function. The callback function increments + * a counter. + * 2. It increments a counter and returns the incremented value. + * After the secure function call finishes, it verifies that both the counters + * are incremented. + */ +void vStartTZDemo( void ); + +#endif /* __TZ_DEMO_H__ */ diff --git a/FreeRTOS/Source/include/FreeRTOS.h b/FreeRTOS/Source/include/FreeRTOS.h index 86bc08963..73f28fe54 100644 --- a/FreeRTOS/Source/include/FreeRTOS.h +++ b/FreeRTOS/Source/include/FreeRTOS.h @@ -762,8 +762,12 @@ extern "C" { #define portTASK_USES_FLOATING_POINT() #endif -#ifndef portTASK_CALLS_SECURE_FUNCTIONS - #define portTASK_CALLS_SECURE_FUNCTIONS() +#ifndef portALLOCATE_SECURE_CONTEXT + #define portALLOCATE_SECURE_CONTEXT( ulSecureStackSize ) +#endif + +#ifndef portHAS_STACK_OVERFLOW_CHECKING + #define portHAS_STACK_OVERFLOW_CHECKING 0 #endif #ifndef configUSE_TIME_SLICING @@ -954,6 +958,24 @@ point support. */ #define configUSE_TASK_FPU_SUPPORT 1 #endif +/* Set configENABLE_MPU to 1 to enable MPU support and 0 to disable it. This is +currently used in ARMv8M ports. */ +#ifndef configENABLE_MPU + #define configENABLE_MPU 0 +#endif + +/* Set configENABLE_FPU to 1 to enable FPU support and 0 to disable it. This is +currently used in ARMv8M ports. */ +#ifndef configENABLE_FPU + #define configENABLE_FPU 1 +#endif + +/* Set configENABLE_TRUSTZONE to 1 enable TrustZone support and 0 to disable it. +This is currently used in ARMv8M ports. */ +#ifndef configENABLE_TRUSTZONE + #define configENABLE_TRUSTZONE 1 +#endif + /* Sometimes the FreeRTOSConfig.h settings only allow a task to be created using * dynamically allocated RAM, in which case when any task is deleted it is known * that both the task's stack and TCB need to be freed. Sometimes the diff --git a/FreeRTOS/Source/include/mpu_prototypes.h b/FreeRTOS/Source/include/mpu_prototypes.h index fa3fc3eaf..4e3baf7b4 100644 --- a/FreeRTOS/Source/include/mpu_prototypes.h +++ b/FreeRTOS/Source/include/mpu_prototypes.h @@ -38,118 +38,118 @@ #define MPU_PROTOTYPES_H /* MPU versions of tasks.h API functions. */ -BaseType_t MPU_xTaskCreate( TaskFunction_t pxTaskCode, const char * const pcName, const uint16_t usStackDepth, void * const pvParameters, UBaseType_t uxPriority, TaskHandle_t * const pxCreatedTask ); -TaskHandle_t MPU_xTaskCreateStatic( TaskFunction_t pxTaskCode, const char * const pcName, const uint32_t ulStackDepth, void * const pvParameters, UBaseType_t uxPriority, StackType_t * const puxStackBuffer, StaticTask_t * const pxTaskBuffer ); -BaseType_t MPU_xTaskCreateRestricted( const TaskParameters_t * const pxTaskDefinition, TaskHandle_t *pxCreatedTask ); -BaseType_t MPU_xTaskCreateRestrictedStatic( const TaskParameters_t * const pxTaskDefinition, TaskHandle_t *pxCreatedTask ); -void MPU_vTaskAllocateMPURegions( TaskHandle_t xTask, const MemoryRegion_t * const pxRegions ); -void MPU_vTaskDelete( TaskHandle_t xTaskToDelete ); -void MPU_vTaskDelay( const TickType_t xTicksToDelay ); -void MPU_vTaskDelayUntil( TickType_t * const pxPreviousWakeTime, const TickType_t xTimeIncrement ); -BaseType_t MPU_xTaskAbortDelay( TaskHandle_t xTask ); -UBaseType_t MPU_uxTaskPriorityGet( const TaskHandle_t xTask ); -eTaskState MPU_eTaskGetState( TaskHandle_t xTask ); -void MPU_vTaskGetInfo( TaskHandle_t xTask, TaskStatus_t *pxTaskStatus, BaseType_t xGetFreeStackSpace, eTaskState eState ); -void MPU_vTaskPrioritySet( TaskHandle_t xTask, UBaseType_t uxNewPriority ); -void MPU_vTaskSuspend( TaskHandle_t xTaskToSuspend ); -void MPU_vTaskResume( TaskHandle_t xTaskToResume ); -void MPU_vTaskStartScheduler( void ); -void MPU_vTaskSuspendAll( void ); -BaseType_t MPU_xTaskResumeAll( void ); -TickType_t MPU_xTaskGetTickCount( void ); -UBaseType_t MPU_uxTaskGetNumberOfTasks( void ); -char * MPU_pcTaskGetName( TaskHandle_t xTaskToQuery ); -TaskHandle_t MPU_xTaskGetHandle( const char *pcNameToQuery ); -UBaseType_t MPU_uxTaskGetStackHighWaterMark( TaskHandle_t xTask ); -configSTACK_DEPTH_TYPE MPU_uxTaskGetStackHighWaterMark2( TaskHandle_t xTask ); -void MPU_vTaskSetApplicationTaskTag( TaskHandle_t xTask, TaskHookFunction_t pxHookFunction ); -TaskHookFunction_t MPU_xTaskGetApplicationTaskTag( TaskHandle_t xTask ); -void MPU_vTaskSetThreadLocalStoragePointer( TaskHandle_t xTaskToSet, BaseType_t xIndex, void *pvValue ); -void * MPU_pvTaskGetThreadLocalStoragePointer( TaskHandle_t xTaskToQuery, BaseType_t xIndex ); -BaseType_t MPU_xTaskCallApplicationTaskHook( TaskHandle_t xTask, void *pvParameter ); -TaskHandle_t MPU_xTaskGetIdleTaskHandle( void ); -UBaseType_t MPU_uxTaskGetSystemState( TaskStatus_t * const pxTaskStatusArray, const UBaseType_t uxArraySize, uint32_t * const pulTotalRunTime ); -TickType_t MPU_xTaskGetIdleRunTimeCounter( void ); -void MPU_vTaskList( char * pcWriteBuffer ); -void MPU_vTaskGetRunTimeStats( char *pcWriteBuffer ); -BaseType_t MPU_xTaskGenericNotify( TaskHandle_t xTaskToNotify, uint32_t ulValue, eNotifyAction eAction, uint32_t *pulPreviousNotificationValue ); -BaseType_t MPU_xTaskNotifyWait( uint32_t ulBitsToClearOnEntry, uint32_t ulBitsToClearOnExit, uint32_t *pulNotificationValue, TickType_t xTicksToWait ); -uint32_t MPU_ulTaskNotifyTake( BaseType_t xClearCountOnExit, TickType_t xTicksToWait ); -BaseType_t MPU_xTaskNotifyStateClear( TaskHandle_t xTask ); -BaseType_t MPU_xTaskIncrementTick( void ); -TaskHandle_t MPU_xTaskGetCurrentTaskHandle( void ); -void MPU_vTaskSetTimeOutState( TimeOut_t * const pxTimeOut ); -BaseType_t MPU_xTaskCheckForTimeOut( TimeOut_t * const pxTimeOut, TickType_t * const pxTicksToWait ); -void MPU_vTaskMissedYield( void ); -BaseType_t MPU_xTaskGetSchedulerState( void ); +BaseType_t MPU_xTaskCreate( TaskFunction_t pxTaskCode, const char * const pcName, const uint16_t usStackDepth, void * const pvParameters, UBaseType_t uxPriority, TaskHandle_t * const pxCreatedTask ) FREERTOS_SYSTEM_CALL; +TaskHandle_t MPU_xTaskCreateStatic( TaskFunction_t pxTaskCode, const char * const pcName, const uint32_t ulStackDepth, void * const pvParameters, UBaseType_t uxPriority, StackType_t * const puxStackBuffer, StaticTask_t * const pxTaskBuffer ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskCreateRestricted( const TaskParameters_t * const pxTaskDefinition, TaskHandle_t *pxCreatedTask ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskCreateRestrictedStatic( const TaskParameters_t * const pxTaskDefinition, TaskHandle_t *pxCreatedTask ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskAllocateMPURegions( TaskHandle_t xTask, const MemoryRegion_t * const pxRegions ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskDelete( TaskHandle_t xTaskToDelete ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskDelay( const TickType_t xTicksToDelay ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskDelayUntil( TickType_t * const pxPreviousWakeTime, const TickType_t xTimeIncrement ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskAbortDelay( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; +UBaseType_t MPU_uxTaskPriorityGet( const TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; +eTaskState MPU_eTaskGetState( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskGetInfo( TaskHandle_t xTask, TaskStatus_t *pxTaskStatus, BaseType_t xGetFreeStackSpace, eTaskState eState ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskPrioritySet( TaskHandle_t xTask, UBaseType_t uxNewPriority ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskSuspend( TaskHandle_t xTaskToSuspend ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskResume( TaskHandle_t xTaskToResume ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskStartScheduler( void ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskSuspendAll( void ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskResumeAll( void ) FREERTOS_SYSTEM_CALL; +TickType_t MPU_xTaskGetTickCount( void ) FREERTOS_SYSTEM_CALL; +UBaseType_t MPU_uxTaskGetNumberOfTasks( void ) FREERTOS_SYSTEM_CALL; +char * MPU_pcTaskGetName( TaskHandle_t xTaskToQuery ) FREERTOS_SYSTEM_CALL; +TaskHandle_t MPU_xTaskGetHandle( const char *pcNameToQuery ) FREERTOS_SYSTEM_CALL; +UBaseType_t MPU_uxTaskGetStackHighWaterMark( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; +configSTACK_DEPTH_TYPE MPU_uxTaskGetStackHighWaterMark2( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskSetApplicationTaskTag( TaskHandle_t xTask, TaskHookFunction_t pxHookFunction ) FREERTOS_SYSTEM_CALL; +TaskHookFunction_t MPU_xTaskGetApplicationTaskTag( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskSetThreadLocalStoragePointer( TaskHandle_t xTaskToSet, BaseType_t xIndex, void *pvValue ) FREERTOS_SYSTEM_CALL; +void * MPU_pvTaskGetThreadLocalStoragePointer( TaskHandle_t xTaskToQuery, BaseType_t xIndex ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskCallApplicationTaskHook( TaskHandle_t xTask, void *pvParameter ) FREERTOS_SYSTEM_CALL; +TaskHandle_t MPU_xTaskGetIdleTaskHandle( void ) FREERTOS_SYSTEM_CALL; +UBaseType_t MPU_uxTaskGetSystemState( TaskStatus_t * const pxTaskStatusArray, const UBaseType_t uxArraySize, uint32_t * const pulTotalRunTime ) FREERTOS_SYSTEM_CALL; +TickType_t MPU_xTaskGetIdleRunTimeCounter( void ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskList( char * pcWriteBuffer ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskGetRunTimeStats( char *pcWriteBuffer ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskGenericNotify( TaskHandle_t xTaskToNotify, uint32_t ulValue, eNotifyAction eAction, uint32_t *pulPreviousNotificationValue ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskNotifyWait( uint32_t ulBitsToClearOnEntry, uint32_t ulBitsToClearOnExit, uint32_t *pulNotificationValue, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +uint32_t MPU_ulTaskNotifyTake( BaseType_t xClearCountOnExit, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskNotifyStateClear( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskIncrementTick( void ) FREERTOS_SYSTEM_CALL; +TaskHandle_t MPU_xTaskGetCurrentTaskHandle( void ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskSetTimeOutState( TimeOut_t * const pxTimeOut ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskCheckForTimeOut( TimeOut_t * const pxTimeOut, TickType_t * const pxTicksToWait ) FREERTOS_SYSTEM_CALL; +void MPU_vTaskMissedYield( void ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTaskGetSchedulerState( void ) FREERTOS_SYSTEM_CALL; /* MPU versions of queue.h API functions. */ -BaseType_t MPU_xQueueGenericSend( QueueHandle_t xQueue, const void * const pvItemToQueue, TickType_t xTicksToWait, const BaseType_t xCopyPosition ); -BaseType_t MPU_xQueueReceive( QueueHandle_t xQueue, void * const pvBuffer, TickType_t xTicksToWait ); -BaseType_t MPU_xQueuePeek( QueueHandle_t xQueue, void * const pvBuffer, TickType_t xTicksToWait ); -BaseType_t MPU_xQueueSemaphoreTake( QueueHandle_t xQueue, TickType_t xTicksToWait ); -UBaseType_t MPU_uxQueueMessagesWaiting( const QueueHandle_t xQueue ); -UBaseType_t MPU_uxQueueSpacesAvailable( const QueueHandle_t xQueue ); -void MPU_vQueueDelete( QueueHandle_t xQueue ); -QueueHandle_t MPU_xQueueCreateMutex( const uint8_t ucQueueType ); -QueueHandle_t MPU_xQueueCreateMutexStatic( const uint8_t ucQueueType, StaticQueue_t *pxStaticQueue ); -QueueHandle_t MPU_xQueueCreateCountingSemaphore( const UBaseType_t uxMaxCount, const UBaseType_t uxInitialCount ); -QueueHandle_t MPU_xQueueCreateCountingSemaphoreStatic( const UBaseType_t uxMaxCount, const UBaseType_t uxInitialCount, StaticQueue_t *pxStaticQueue ); -TaskHandle_t MPU_xQueueGetMutexHolder( QueueHandle_t xSemaphore ); -BaseType_t MPU_xQueueTakeMutexRecursive( QueueHandle_t xMutex, TickType_t xTicksToWait ); -BaseType_t MPU_xQueueGiveMutexRecursive( QueueHandle_t pxMutex ); -void MPU_vQueueAddToRegistry( QueueHandle_t xQueue, const char *pcName ); -void MPU_vQueueUnregisterQueue( QueueHandle_t xQueue ); -const char * MPU_pcQueueGetName( QueueHandle_t xQueue ); -QueueHandle_t MPU_xQueueGenericCreate( const UBaseType_t uxQueueLength, const UBaseType_t uxItemSize, const uint8_t ucQueueType ); -QueueHandle_t MPU_xQueueGenericCreateStatic( const UBaseType_t uxQueueLength, const UBaseType_t uxItemSize, uint8_t *pucQueueStorage, StaticQueue_t *pxStaticQueue, const uint8_t ucQueueType ); -QueueSetHandle_t MPU_xQueueCreateSet( const UBaseType_t uxEventQueueLength ); -BaseType_t MPU_xQueueAddToSet( QueueSetMemberHandle_t xQueueOrSemaphore, QueueSetHandle_t xQueueSet ); -BaseType_t MPU_xQueueRemoveFromSet( QueueSetMemberHandle_t xQueueOrSemaphore, QueueSetHandle_t xQueueSet ); -QueueSetMemberHandle_t MPU_xQueueSelectFromSet( QueueSetHandle_t xQueueSet, const TickType_t xTicksToWait ); -BaseType_t MPU_xQueueGenericReset( QueueHandle_t xQueue, BaseType_t xNewQueue ); -void MPU_vQueueSetQueueNumber( QueueHandle_t xQueue, UBaseType_t uxQueueNumber ); -UBaseType_t MPU_uxQueueGetQueueNumber( QueueHandle_t xQueue ); -uint8_t MPU_ucQueueGetQueueType( QueueHandle_t xQueue ); +BaseType_t MPU_xQueueGenericSend( QueueHandle_t xQueue, const void * const pvItemToQueue, TickType_t xTicksToWait, const BaseType_t xCopyPosition ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xQueueReceive( QueueHandle_t xQueue, void * const pvBuffer, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xQueuePeek( QueueHandle_t xQueue, void * const pvBuffer, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xQueueSemaphoreTake( QueueHandle_t xQueue, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +UBaseType_t MPU_uxQueueMessagesWaiting( const QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; +UBaseType_t MPU_uxQueueSpacesAvailable( const QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; +void MPU_vQueueDelete( QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; +QueueHandle_t MPU_xQueueCreateMutex( const uint8_t ucQueueType ) FREERTOS_SYSTEM_CALL; +QueueHandle_t MPU_xQueueCreateMutexStatic( const uint8_t ucQueueType, StaticQueue_t *pxStaticQueue ) FREERTOS_SYSTEM_CALL; +QueueHandle_t MPU_xQueueCreateCountingSemaphore( const UBaseType_t uxMaxCount, const UBaseType_t uxInitialCount ) FREERTOS_SYSTEM_CALL; +QueueHandle_t MPU_xQueueCreateCountingSemaphoreStatic( const UBaseType_t uxMaxCount, const UBaseType_t uxInitialCount, StaticQueue_t *pxStaticQueue ) FREERTOS_SYSTEM_CALL; +TaskHandle_t MPU_xQueueGetMutexHolder( QueueHandle_t xSemaphore ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xQueueTakeMutexRecursive( QueueHandle_t xMutex, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xQueueGiveMutexRecursive( QueueHandle_t pxMutex ) FREERTOS_SYSTEM_CALL; +void MPU_vQueueAddToRegistry( QueueHandle_t xQueue, const char *pcName ) FREERTOS_SYSTEM_CALL; +void MPU_vQueueUnregisterQueue( QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; +const char * MPU_pcQueueGetName( QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; +QueueHandle_t MPU_xQueueGenericCreate( const UBaseType_t uxQueueLength, const UBaseType_t uxItemSize, const uint8_t ucQueueType ) FREERTOS_SYSTEM_CALL; +QueueHandle_t MPU_xQueueGenericCreateStatic( const UBaseType_t uxQueueLength, const UBaseType_t uxItemSize, uint8_t *pucQueueStorage, StaticQueue_t *pxStaticQueue, const uint8_t ucQueueType ) FREERTOS_SYSTEM_CALL; +QueueSetHandle_t MPU_xQueueCreateSet( const UBaseType_t uxEventQueueLength ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xQueueAddToSet( QueueSetMemberHandle_t xQueueOrSemaphore, QueueSetHandle_t xQueueSet ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xQueueRemoveFromSet( QueueSetMemberHandle_t xQueueOrSemaphore, QueueSetHandle_t xQueueSet ) FREERTOS_SYSTEM_CALL; +QueueSetMemberHandle_t MPU_xQueueSelectFromSet( QueueSetHandle_t xQueueSet, const TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xQueueGenericReset( QueueHandle_t xQueue, BaseType_t xNewQueue ) FREERTOS_SYSTEM_CALL; +void MPU_vQueueSetQueueNumber( QueueHandle_t xQueue, UBaseType_t uxQueueNumber ) FREERTOS_SYSTEM_CALL; +UBaseType_t MPU_uxQueueGetQueueNumber( QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; +uint8_t MPU_ucQueueGetQueueType( QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; /* MPU versions of timers.h API functions. */ -TimerHandle_t MPU_xTimerCreate( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction ); -TimerHandle_t MPU_xTimerCreateStatic( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction, StaticTimer_t *pxTimerBuffer ); -void * MPU_pvTimerGetTimerID( const TimerHandle_t xTimer ); -void MPU_vTimerSetTimerID( TimerHandle_t xTimer, void *pvNewID ); -BaseType_t MPU_xTimerIsTimerActive( TimerHandle_t xTimer ); -TaskHandle_t MPU_xTimerGetTimerDaemonTaskHandle( void ); -BaseType_t MPU_xTimerPendFunctionCall( PendedFunction_t xFunctionToPend, void *pvParameter1, uint32_t ulParameter2, TickType_t xTicksToWait ); -const char * MPU_pcTimerGetName( TimerHandle_t xTimer ); -void MPU_vTimerSetReloadMode( TimerHandle_t xTimer, const UBaseType_t uxAutoReload ); -TickType_t MPU_xTimerGetPeriod( TimerHandle_t xTimer ); -TickType_t MPU_xTimerGetExpiryTime( TimerHandle_t xTimer ); -BaseType_t MPU_xTimerCreateTimerTask( void ); -BaseType_t MPU_xTimerGenericCommand( TimerHandle_t xTimer, const BaseType_t xCommandID, const TickType_t xOptionalValue, BaseType_t * const pxHigherPriorityTaskWoken, const TickType_t xTicksToWait ); +TimerHandle_t MPU_xTimerCreate( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction ) FREERTOS_SYSTEM_CALL; +TimerHandle_t MPU_xTimerCreateStatic( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction, StaticTimer_t *pxTimerBuffer ) FREERTOS_SYSTEM_CALL; +void * MPU_pvTimerGetTimerID( const TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL; +void MPU_vTimerSetTimerID( TimerHandle_t xTimer, void *pvNewID ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTimerIsTimerActive( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL; +TaskHandle_t MPU_xTimerGetTimerDaemonTaskHandle( void ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTimerPendFunctionCall( PendedFunction_t xFunctionToPend, void *pvParameter1, uint32_t ulParameter2, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +const char * MPU_pcTimerGetName( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL; +void MPU_vTimerSetReloadMode( TimerHandle_t xTimer, const UBaseType_t uxAutoReload ) FREERTOS_SYSTEM_CALL; +TickType_t MPU_xTimerGetPeriod( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL; +TickType_t MPU_xTimerGetExpiryTime( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTimerCreateTimerTask( void ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xTimerGenericCommand( TimerHandle_t xTimer, const BaseType_t xCommandID, const TickType_t xOptionalValue, BaseType_t * const pxHigherPriorityTaskWoken, const TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; /* MPU versions of event_group.h API functions. */ -EventGroupHandle_t MPU_xEventGroupCreate( void ); -EventGroupHandle_t MPU_xEventGroupCreateStatic( StaticEventGroup_t *pxEventGroupBuffer ); -EventBits_t MPU_xEventGroupWaitBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToWaitFor, const BaseType_t xClearOnExit, const BaseType_t xWaitForAllBits, TickType_t xTicksToWait ); -EventBits_t MPU_xEventGroupClearBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToClear ); -EventBits_t MPU_xEventGroupSetBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet ); -EventBits_t MPU_xEventGroupSync( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet, const EventBits_t uxBitsToWaitFor, TickType_t xTicksToWait ); -void MPU_vEventGroupDelete( EventGroupHandle_t xEventGroup ); -UBaseType_t MPU_uxEventGroupGetNumber( void* xEventGroup ); +EventGroupHandle_t MPU_xEventGroupCreate( void ) FREERTOS_SYSTEM_CALL; +EventGroupHandle_t MPU_xEventGroupCreateStatic( StaticEventGroup_t *pxEventGroupBuffer ) FREERTOS_SYSTEM_CALL; +EventBits_t MPU_xEventGroupWaitBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToWaitFor, const BaseType_t xClearOnExit, const BaseType_t xWaitForAllBits, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +EventBits_t MPU_xEventGroupClearBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToClear ) FREERTOS_SYSTEM_CALL; +EventBits_t MPU_xEventGroupSetBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet ) FREERTOS_SYSTEM_CALL; +EventBits_t MPU_xEventGroupSync( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet, const EventBits_t uxBitsToWaitFor, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +void MPU_vEventGroupDelete( EventGroupHandle_t xEventGroup ) FREERTOS_SYSTEM_CALL; +UBaseType_t MPU_uxEventGroupGetNumber( void* xEventGroup ) FREERTOS_SYSTEM_CALL; /* MPU versions of message/stream_buffer.h API functions. */ -size_t MPU_xStreamBufferSend( StreamBufferHandle_t xStreamBuffer, const void *pvTxData, size_t xDataLengthBytes, TickType_t xTicksToWait ); -size_t MPU_xStreamBufferReceive( StreamBufferHandle_t xStreamBuffer, void *pvRxData, size_t xBufferLengthBytes, TickType_t xTicksToWait ); -size_t MPU_xStreamBufferNextMessageLengthBytes( StreamBufferHandle_t xStreamBuffer ); -void MPU_vStreamBufferDelete( StreamBufferHandle_t xStreamBuffer ); -BaseType_t MPU_xStreamBufferIsFull( StreamBufferHandle_t xStreamBuffer ); -BaseType_t MPU_xStreamBufferIsEmpty( StreamBufferHandle_t xStreamBuffer ); -BaseType_t MPU_xStreamBufferReset( StreamBufferHandle_t xStreamBuffer ); -size_t MPU_xStreamBufferSpacesAvailable( StreamBufferHandle_t xStreamBuffer ); -size_t MPU_xStreamBufferBytesAvailable( StreamBufferHandle_t xStreamBuffer ); -BaseType_t MPU_xStreamBufferSetTriggerLevel( StreamBufferHandle_t xStreamBuffer, size_t xTriggerLevel ); -StreamBufferHandle_t MPU_xStreamBufferGenericCreate( size_t xBufferSizeBytes, size_t xTriggerLevelBytes, BaseType_t xIsMessageBuffer ); -StreamBufferHandle_t MPU_xStreamBufferGenericCreateStatic( size_t xBufferSizeBytes, size_t xTriggerLevelBytes, BaseType_t xIsMessageBuffer, uint8_t * const pucStreamBufferStorageArea, StaticStreamBuffer_t * const pxStaticStreamBuffer ); +size_t MPU_xStreamBufferSend( StreamBufferHandle_t xStreamBuffer, const void *pvTxData, size_t xDataLengthBytes, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +size_t MPU_xStreamBufferReceive( StreamBufferHandle_t xStreamBuffer, void *pvRxData, size_t xBufferLengthBytes, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; +size_t MPU_xStreamBufferNextMessageLengthBytes( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; +void MPU_vStreamBufferDelete( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xStreamBufferIsFull( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xStreamBufferIsEmpty( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xStreamBufferReset( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; +size_t MPU_xStreamBufferSpacesAvailable( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; +size_t MPU_xStreamBufferBytesAvailable( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; +BaseType_t MPU_xStreamBufferSetTriggerLevel( StreamBufferHandle_t xStreamBuffer, size_t xTriggerLevel ) FREERTOS_SYSTEM_CALL; +StreamBufferHandle_t MPU_xStreamBufferGenericCreate( size_t xBufferSizeBytes, size_t xTriggerLevelBytes, BaseType_t xIsMessageBuffer ) FREERTOS_SYSTEM_CALL; +StreamBufferHandle_t MPU_xStreamBufferGenericCreateStatic( size_t xBufferSizeBytes, size_t xTriggerLevelBytes, BaseType_t xIsMessageBuffer, uint8_t * const pucStreamBufferStorageArea, StaticStreamBuffer_t * const pxStaticStreamBuffer ) FREERTOS_SYSTEM_CALL; diff --git a/FreeRTOS/Source/include/mpu_wrappers.h b/FreeRTOS/Source/include/mpu_wrappers.h index 203e0be7b..879bad4fb 100644 --- a/FreeRTOS/Source/include/mpu_wrappers.h +++ b/FreeRTOS/Source/include/mpu_wrappers.h @@ -161,12 +161,14 @@ only for ports that are using the MPU. */ (useful when using statically allocated objects). */ #define PRIVILEGED_FUNCTION #define PRIVILEGED_DATA __attribute__((section("privileged_data"))) + #define FREERTOS_SYSTEM_CALL #else /* MPU_WRAPPERS_INCLUDED_FROM_API_FILE */ /* Ensure API functions go in the privileged execution section. */ #define PRIVILEGED_FUNCTION __attribute__((section("privileged_functions"))) #define PRIVILEGED_DATA __attribute__((section("privileged_data"))) + #define FREERTOS_SYSTEM_CALL __attribute__((section( "freertos_system_calls"))) #endif /* MPU_WRAPPERS_INCLUDED_FROM_API_FILE */ @@ -174,6 +176,7 @@ only for ports that are using the MPU. */ #define PRIVILEGED_FUNCTION #define PRIVILEGED_DATA + #define FREERTOS_SYSTEM_CALL #define portUSING_MPU_WRAPPERS 0 #endif /* portUSING_MPU_WRAPPERS */ diff --git a/FreeRTOS/Source/include/portable.h b/FreeRTOS/Source/include/portable.h index cddc8f170..51ef6d641 100644 --- a/FreeRTOS/Source/include/portable.h +++ b/FreeRTOS/Source/include/portable.h @@ -97,9 +97,17 @@ extern "C" { * */ #if( portUSING_MPU_WRAPPERS == 1 ) - StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters, BaseType_t xRunPrivileged ) PRIVILEGED_FUNCTION; + #if( portHAS_STACK_OVERFLOW_CHECKING == 1 ) + StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, StackType_t *pxEndOfStack, TaskFunction_t pxCode, void *pvParameters, BaseType_t xRunPrivileged ) PRIVILEGED_FUNCTION; + #else + StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters, BaseType_t xRunPrivileged ) PRIVILEGED_FUNCTION; + #endif #else - StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters ) PRIVILEGED_FUNCTION; + #if( portHAS_STACK_OVERFLOW_CHECKING == 1 ) + StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, StackType_t *pxEndOfStack, TaskFunction_t pxCode, void *pvParameters ) PRIVILEGED_FUNCTION; + #else + StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters ) PRIVILEGED_FUNCTION; + #endif #endif /* Used by heap_5.c. */ diff --git a/FreeRTOS/Source/include/task.h b/FreeRTOS/Source/include/task.h index 7651c5faa..b4253683f 100644 --- a/FreeRTOS/Source/include/task.h +++ b/FreeRTOS/Source/include/task.h @@ -48,6 +48,14 @@ extern "C" { #define tskKERNEL_VERSION_MINOR 2 #define tskKERNEL_VERSION_BUILD 0 +/* MPU region parameters passed in ulParameters + * of MemoryRegion_t struct. */ +#define tskMPU_REGION_READ_ONLY ( 1UL << 0UL ) +#define tskMPU_REGION_READ_WRITE ( 1UL << 1UL ) +#define tskMPU_REGION_EXECUTE_NEVER ( 1UL << 2UL ) +#define tskMPU_REGION_NORMAL_MEMORY ( 1UL << 3UL ) +#define tskMPU_REGION_DEVICE_MEMORY ( 1UL << 4UL ) + /** * task. h * diff --git a/FreeRTOS/Source/portable/ARMv8M/copy_files.py b/FreeRTOS/Source/portable/ARMv8M/copy_files.py new file mode 100644 index 000000000..07e068265 --- /dev/null +++ b/FreeRTOS/Source/portable/ARMv8M/copy_files.py @@ -0,0 +1,91 @@ +#/* +# * FreeRTOS Kernel V10.2.0 +# * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. +# * +# * Permission is hereby granted, free of charge, to any person obtaining a copy of +# * this software and associated documentation files (the "Software"), to deal in +# * the Software without restriction, including without limitation the rights to +# * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of +# * the Software, and to permit persons to whom the Software is furnished to do so, +# * subject to the following conditions: +# * +# * The above copyright notice and this permission notice shall be included in all +# * copies or substantial portions of the Software. +# * +# * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS +# * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR +# * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +# * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +# * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# * +# * http://www.FreeRTOS.org +# * http://aws.amazon.com/freertos +# * +# * 1 tab == 4 spaces! +# */ + +import os +import shutil + +_THIS_FILE_DIRECTORY_ = os.path.dirname(os.path.realpath(__file__)) +_FREERTOS_PORTABLE_DIRECTORY_ = os.path.dirname(_THIS_FILE_DIRECTORY_) + +_COMPILERS_ = ['GCC', 'IAR'] +_ARCH_NS_ = ['ARM_CM33', 'ARM_CM33_NTZ'] +_ARCH_S_ = ['ARM_CM33'] + +# Files to be complied in the Secure Project +_SECURE_FILE_PATHS_ = [ + os.path.join('secure', 'context'), + os.path.join('secure', 'context', 'portable', '_COMPILER_ARCH_'), + os.path.join('secure', 'heap'), + os.path.join('secure', 'init'), + os.path.join('secure', 'macros') +] + +# Files to be complied in the Non-Secure Project +_NONSECURE_FILE_PATHS_ = [ + 'non_secure', + os.path.join('non_secure', 'portable', '_COMPILER_ARCH_') +] + +def copy_files_in_dir(src_abs_path, dst_abs_path): + for src_file in os.listdir(src_abs_path): + src_file_abs_path = os.path.join(src_abs_path, src_file) + if os.path.isfile(src_file_abs_path): + if not os.path.exists(dst_abs_path): + os.makedirs(dst_abs_path) + print('Copying {}...'.format(os.path.basename(src_file_abs_path))) + shutil.copy2(src_file_abs_path, dst_abs_path) + + +def copy_files_for_compiler_and_arch(compiler, arch, src_paths, dst_path): + _COMPILER_ARCH_ = os.path.join(compiler, arch) + for src_path in src_paths: + src_path_sanitized = src_path.replace('_COMPILER_ARCH_', _COMPILER_ARCH_ ) + + src_abs_path = os.path.join(_THIS_FILE_DIRECTORY_, src_path_sanitized) + dst_abs_path = os.path.join(_FREERTOS_PORTABLE_DIRECTORY_, _COMPILER_ARCH_, dst_path) + + copy_files_in_dir(src_abs_path, dst_abs_path) + + +def copy_files(): + # Copy Secure Files + for compiler in _COMPILERS_: + for arch in _ARCH_S_: + copy_files_for_compiler_and_arch(compiler, arch, _SECURE_FILE_PATHS_, 'secure') + + # Copy Non-Secure Files + for compiler in _COMPILERS_: + for arch in _ARCH_NS_: + copy_files_for_compiler_and_arch(compiler, arch, _NONSECURE_FILE_PATHS_, 'non_secure') + + +def main(): + copy_files() + + +if __name__ == '__main__': + main() diff --git a/FreeRTOS/Source/portable/ARMv8M/non_secure/port.c b/FreeRTOS/Source/portable/ARMv8M/non_secure/port.c new file mode 100644 index 000000000..a549bb14c --- /dev/null +++ b/FreeRTOS/Source/portable/ARMv8M/non_secure/port.c @@ -0,0 +1,860 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE prevents task.h from redefining + * all the API functions to use the MPU wrappers. That should only be done when + * task.h is included from an application file. */ +#define MPU_WRAPPERS_INCLUDED_FROM_API_FILE + +/* Scheduler includes. */ +#include "FreeRTOS.h" +#include "task.h" + +/* MPU wrappers includes. */ +#include "mpu_wrappers.h" + +/* Portasm includes. */ +#include "portasm.h" + +#if( configENABLE_TRUSTZONE == 1 ) + /* Secure components includes. */ + #include "secure_context.h" + #include "secure_init.h" +#endif /* configENABLE_TRUSTZONE */ + +#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the NVIC. + */ +#define portNVIC_SYSTICK_CTRL ( ( volatile uint32_t * ) 0xe000e010 ) +#define portNVIC_SYSTICK_LOAD ( ( volatile uint32_t * ) 0xe000e014 ) +#define portNVIC_SYSTICK_CURRENT_VALUE ( ( volatile uint32_t * ) 0xe000e018 ) +#define portNVIC_INT_CTRL ( ( volatile uint32_t * ) 0xe000ed04 ) +#define portNVIC_SYSPRI2 ( ( volatile uint32_t * ) 0xe000ed20 ) +#define portNVIC_SYSTICK_CLK ( 0x00000004 ) +#define portNVIC_SYSTICK_INT ( 0x00000002 ) +#define portNVIC_SYSTICK_ENABLE ( 0x00000001 ) +#define portNVIC_PENDSVSET ( 0x10000000 ) +#define portMIN_INTERRUPT_PRIORITY ( 255UL ) +#define portNVIC_PENDSV_PRI ( portMIN_INTERRUPT_PRIORITY << 16UL ) +#define portNVIC_SYSTICK_PRI ( portMIN_INTERRUPT_PRIORITY << 24UL ) +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the SCB. + */ +#define portSCB_SYS_HANDLER_CTRL_STATE_REG ( * ( volatile uint32_t * ) 0xe000ed24 ) +#define portSCB_MEM_FAULT_ENABLE ( 1UL << 16UL ) +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the FPU. + */ +#define portCPACR ( ( volatile uint32_t * ) 0xe000ed88 ) /* Coprocessor Access Control Register. */ +#define portCPACR_CP10_VALUE ( 3UL ) +#define portCPACR_CP11_VALUE portCPACR_CP10_VALUE +#define portCPACR_CP10_POS ( 20UL ) +#define portCPACR_CP11_POS ( 22UL ) + +#define portFPCCR ( ( volatile uint32_t * ) 0xe000ef34 ) /* Floating Point Context Control Register. */ +#define portFPCCR_ASPEN_POS ( 31UL ) +#define portFPCCR_ASPEN_MASK ( 1UL << portFPCCR_ASPEN_POS ) +#define portFPCCR_LSPEN_POS ( 30UL ) +#define portFPCCR_LSPEN_MASK ( 1UL << portFPCCR_LSPEN_POS ) +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the MPU. + */ +#define portMPU_TYPE_REG ( * ( ( volatile uint32_t * ) 0xe000ed90 ) ) +#define portMPU_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed94 ) ) +#define portMPU_RNR_REG ( * ( ( volatile uint32_t * ) 0xe000ed98 ) ) + +#define portMPU_RBAR_REG ( * ( ( volatile uint32_t * ) 0xe000ed9c ) ) +#define portMPU_RLAR_REG ( * ( ( volatile uint32_t * ) 0xe000eda0 ) ) + +#define portMPU_RBAR_A1_REG ( * ( ( volatile uint32_t * ) 0xe000eda4 ) ) +#define portMPU_RLAR_A1_REG ( * ( ( volatile uint32_t * ) 0xe000eda8 ) ) + +#define portMPU_RBAR_A2_REG ( * ( ( volatile uint32_t * ) 0xe000edac ) ) +#define portMPU_RLAR_A2_REG ( * ( ( volatile uint32_t * ) 0xe000edb0 ) ) + +#define portMPU_RBAR_A3_REG ( * ( ( volatile uint32_t * ) 0xe000edb4 ) ) +#define portMPU_RLAR_A3_REG ( * ( ( volatile uint32_t * ) 0xe000edb8 ) ) + +#define portMPU_MAIR0_REG ( * ( ( volatile uint32_t * ) 0xe000edc0 ) ) +#define portMPU_MAIR1_REG ( * ( ( volatile uint32_t * ) 0xe000edc4 ) ) + +#define portMPU_RBAR_ADDRESS_MASK ( 0xffffffe0 ) /* Must be 32-byte aligned. */ +#define portMPU_RLAR_ADDRESS_MASK ( 0xffffffe0 ) /* Must be 32-byte aligned. */ + +#define portMPU_MAIR_ATTR0_POS ( 0UL ) +#define portMPU_MAIR_ATTR0_MASK ( 0x000000ff ) + +#define portMPU_MAIR_ATTR1_POS ( 8UL ) +#define portMPU_MAIR_ATTR1_MASK ( 0x0000ff00 ) + +#define portMPU_MAIR_ATTR2_POS ( 16UL ) +#define portMPU_MAIR_ATTR2_MASK ( 0x00ff0000 ) + +#define portMPU_MAIR_ATTR3_POS ( 24UL ) +#define portMPU_MAIR_ATTR3_MASK ( 0xff000000 ) + +#define portMPU_MAIR_ATTR4_POS ( 0UL ) +#define portMPU_MAIR_ATTR4_MASK ( 0x000000ff ) + +#define portMPU_MAIR_ATTR5_POS ( 8UL ) +#define portMPU_MAIR_ATTR5_MASK ( 0x0000ff00 ) + +#define portMPU_MAIR_ATTR6_POS ( 16UL ) +#define portMPU_MAIR_ATTR6_MASK ( 0x00ff0000 ) + +#define portMPU_MAIR_ATTR7_POS ( 24UL ) +#define portMPU_MAIR_ATTR7_MASK ( 0xff000000 ) + +#define portMPU_RLAR_ATTR_INDEX0 ( 0UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX1 ( 1UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX2 ( 2UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX3 ( 3UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX4 ( 4UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX5 ( 5UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX6 ( 6UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX7 ( 7UL << 1UL ) + +#define portMPU_RLAR_REGION_ENABLE ( 1UL ) + +/* Enable privileged access to unmapped region. */ +#define portMPU_PRIV_BACKGROUND_ENABLE ( 1UL << 2UL ) + +/* Enable MPU. */ +#define portMPU_ENABLE ( 1UL << 0UL ) + +/* Expected value of the portMPU_TYPE register. */ +#define portEXPECTED_MPU_TYPE_VALUE ( 8UL << 8UL ) /* 8 regions, unified. */ +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to set up the initial stack. + */ +#define portINITIAL_XPSR ( 0x01000000 ) + +/** + * @brief Initial EXC_RETURN value. + * + * FF FF FF BC + * 1111 1111 1111 1111 1111 1111 1011 1100 + * + * Bit[6] - 0 --> The exception was taken from the Non-Secure state. + * Bit[5] - 1 --> Do not skip stacking of additional state context. + * Bit[4] - 1 --> The PE did not allocate space on the stack for FP context. + * Bit[3] - 1 --> Return to the Thread mode. + * Bit[2] - 1 --> Restore registers from the process stack. + * Bit[1] - 0 --> Reserved, 0. + * Bit[0] - 0 --> The exception was taken to the Non-Secure state. + */ +#define portINITIAL_EXC_RETURN ( 0xffffffbc ) + +/** + * @brief CONTROL register privileged bit mask. + * + * Bit[0] in CONTROL register tells the privilege: + * Bit[0] = 0 ==> The task is privileged. + * Bit[0] = 1 ==> The task is not privileged. + */ +#define portCONTROL_PRIVILEGED_MASK ( 1UL << 0UL ) + +/** + * @brief Initial CONTROL register values. + */ +#define portINITIAL_CONTROL_UNPRIVILEGED ( 0x3 ) +#define portINITIAL_CONTROL_PRIVILEGED ( 0x2 ) + +/** + * @brief Let the user override the pre-loading of the initial LR with the + * address of prvTaskExitError() in case it messes up unwinding of the stack + * in the debugger. + */ +#ifdef configTASK_RETURN_ADDRESS + #define portTASK_RETURN_ADDRESS configTASK_RETURN_ADDRESS +#else + #define portTASK_RETURN_ADDRESS prvTaskExitError +#endif + +/** + * @brief If portPRELOAD_REGISTERS then registers will be given an initial value + * when a task is created. This helps in debugging at the cost of code size. + */ +#define portPRELOAD_REGISTERS 1 + +/** + * @brief A task is created without a secure context, and must call + * portALLOCATE_SECURE_CONTEXT() to give itself a secure context before it makes + * any secure calls. + */ +#define portNO_SECURE_CONTEXT 0 +/*-----------------------------------------------------------*/ + +/** + * @brief Setup the timer to generate the tick interrupts. + */ +static void prvSetupTimerInterrupt( void ) PRIVILEGED_FUNCTION; + +/** + * @brief Used to catch tasks that attempt to return from their implementing + * function. + */ +static void prvTaskExitError( void ); + +#if( configENABLE_MPU == 1 ) + /** + * @brief Setup the Memory Protection Unit (MPU). + */ + static void prvSetupMPU( void ) PRIVILEGED_FUNCTION; +#endif /* configENABLE_MPU */ + +#if( configENABLE_FPU == 1 ) + /** + * @brief Setup the Floating Point Unit (FPU). + */ + static void prvSetupFPU( void ) PRIVILEGED_FUNCTION; +#endif /* configENABLE_FPU */ + +/** + * @brief Yield the processor. + */ +void vPortYield( void ) PRIVILEGED_FUNCTION; + +/** + * @brief Enter critical section. + */ +void vPortEnterCritical( void ) PRIVILEGED_FUNCTION; + +/** + * @brief Exit from critical section. + */ +void vPortExitCritical( void ) PRIVILEGED_FUNCTION; + +/** + * @brief SysTick handler. + */ +void SysTick_Handler( void ) PRIVILEGED_FUNCTION; + +/** + * @brief C part of SVC handler. + */ +void vPortSVCHandler_C( uint32_t *pulCallerStackAddress ) PRIVILEGED_FUNCTION; +/*-----------------------------------------------------------*/ + +/** + * @brief Each task maintains its own interrupt status in the critical nesting + * variable. + */ +static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaUL; + +#if( configENABLE_TRUSTZONE == 1 ) + /** + * @brief Saved as part of the task context to indicate which context the + * task is using on the secure side. + */ + volatile SecureContextHandle_t xSecureContext = portNO_SECURE_CONTEXT; +#endif /* configENABLE_TRUSTZONE */ +/*-----------------------------------------------------------*/ + +static void prvSetupTimerInterrupt( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Stop and reset the SysTick. */ + *( portNVIC_SYSTICK_CTRL ) = 0UL; + *( portNVIC_SYSTICK_CURRENT_VALUE ) = 0UL; + + /* Configure SysTick to interrupt at the requested rate. */ + *( portNVIC_SYSTICK_LOAD ) = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL; + *( portNVIC_SYSTICK_CTRL ) = portNVIC_SYSTICK_CLK | portNVIC_SYSTICK_INT | portNVIC_SYSTICK_ENABLE; +} +/*-----------------------------------------------------------*/ + +static void prvTaskExitError( void ) +{ +volatile uint32_t ulDummy = 0UL; + + /* A function that implements a task must not exit or attempt to return to + * its caller as there is nothing to return to. If a task wants to exit it + * should instead call vTaskDelete( NULL ). Artificially force an assert() + * to be triggered if configASSERT() is defined, then stop here so + * application writers can catch the error. */ + configASSERT( ulCriticalNesting == ~0UL ); + portDISABLE_INTERRUPTS(); + + while( ulDummy == 0 ) + { + /* This file calls prvTaskExitError() after the scheduler has been + * started to remove a compiler warning about the function being + * defined but never called. ulDummy is used purely to quieten other + * warnings about code appearing after this function is called - making + * ulDummy volatile makes the compiler think the function could return + * and therefore not output an 'unreachable code' warning for code that + * appears after it. */ + } +} +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + static void prvSetupMPU( void ) /* PRIVILEGED_FUNCTION */ + { + #if defined( __ARMCC_VERSION ) + /* Declaration when these variable are defined in code instead of being + * exported from linker scripts. */ + extern uint32_t * __privileged_functions_start__; + extern uint32_t * __privileged_functions_end__; + extern uint32_t * __syscalls_flash_start__; + extern uint32_t * __unprivileged_flash_end__; + extern uint32_t * __privileged_sram_start__; + extern uint32_t * __privileged_sram_end__; + #else + /* Declaration when these variable are exported from linker scripts. */ + extern uint32_t __privileged_functions_start__[]; + extern uint32_t __privileged_functions_end__[]; + extern uint32_t __syscalls_flash_start__[]; + extern uint32_t __unprivileged_flash_end__[]; + extern uint32_t __privileged_sram_start__[]; + extern uint32_t __privileged_sram_end__[]; + #endif /* defined( __ARMCC_VERSION ) */ + + /* Check that the MPU is present. */ + if( portMPU_TYPE_REG == portEXPECTED_MPU_TYPE_VALUE ) + { + /* MAIR0 - Index 0. */ + portMPU_MAIR0_REG |= ( ( portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE << portMPU_MAIR_ATTR0_POS ) & portMPU_MAIR_ATTR0_MASK ); + /* MAIR0 - Index 1. */ + portMPU_MAIR0_REG |= ( ( portMPU_DEVICE_MEMORY_nGnRE << portMPU_MAIR_ATTR1_POS ) & portMPU_MAIR_ATTR1_MASK ); + + /* Setup privileged flash as Read Only so that privileged tasks can + * read it but not modify. */ + portMPU_RNR_REG = portPRIVILEGED_FLASH_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) __privileged_functions_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_PRIVILEGED_READ_ONLY ); + portMPU_RLAR_REG = ( ( ( uint32_t ) __privileged_functions_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Setup unprivileged flash and system calls flash as Read Only by + * both privileged and unprivileged tasks. All tasks can read it but + * no-one can modify. */ + portMPU_RNR_REG = portUNPRIVILEGED_FLASH_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) __syscalls_flash_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_READ_ONLY ); + portMPU_RLAR_REG = ( ( ( uint32_t ) __unprivileged_flash_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Setup RAM containing kernel data for privileged access only. */ + portMPU_RNR_REG = portPRIVILEGED_RAM_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) __privileged_sram_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_PRIVILEGED_READ_WRITE ) | + ( portMPU_REGION_EXECUTE_NEVER ); + portMPU_RLAR_REG = ( ( ( uint32_t ) __privileged_sram_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* By default allow everything to access the general peripherals. + * The system peripherals and registers are protected. */ + portMPU_RNR_REG = portUNPRIVILEGED_DEVICE_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) portDEVICE_REGION_START_ADDRESS ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_READ_WRITE ) | + ( portMPU_REGION_EXECUTE_NEVER ); + portMPU_RLAR_REG = ( ( ( uint32_t ) portDEVICE_REGION_END_ADDRESS ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX1 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Enable mem fault. */ + portSCB_SYS_HANDLER_CTRL_STATE_REG |= portSCB_MEM_FAULT_ENABLE; + + /* Enable MPU with privileged background access i.e. unmapped + * regions have privileged access. */ + portMPU_CTRL_REG |= ( portMPU_PRIV_BACKGROUND_ENABLE | portMPU_ENABLE ); + } + } +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +#if( configENABLE_FPU == 1 ) + static void prvSetupFPU( void ) /* PRIVILEGED_FUNCTION */ + { + #if( configENABLE_TRUSTZONE == 1 ) + { + /* Enable non-secure access to the FPU. */ + SecureInit_EnableNSFPUAccess(); + } + #endif /* configENABLE_TRUSTZONE */ + + /* CP10 = 11 ==> Full access to FPU i.e. both privileged and + * unprivileged code should be able to access FPU. CP11 should be + * programmed to the same value as CP10. */ + *( portCPACR ) |= ( ( portCPACR_CP10_VALUE << portCPACR_CP10_POS ) | + ( portCPACR_CP11_VALUE << portCPACR_CP11_POS ) + ); + + /* ASPEN = 1 ==> Hardware should automatically preserve floating point + * context on exception entry and restore on exception return. + * LSPEN = 1 ==> Enable lazy context save of FP state. */ + *( portFPCCR ) |= ( portFPCCR_ASPEN_MASK | portFPCCR_LSPEN_MASK ); + } +#endif /* configENABLE_FPU */ +/*-----------------------------------------------------------*/ + +void vPortYield( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Set a PendSV to request a context switch. */ + *( portNVIC_INT_CTRL ) = portNVIC_PENDSVSET; + + /* Barriers are normally not required but do ensure the code is + * completely within the specified behaviour for the architecture. */ + __asm volatile( "dsb" ::: "memory" ); + __asm volatile( "isb" ); +} +/*-----------------------------------------------------------*/ + +void vPortEnterCritical( void ) /* PRIVILEGED_FUNCTION */ +{ + portDISABLE_INTERRUPTS(); + ulCriticalNesting++; + + /* Barriers are normally not required but do ensure the code is + * completely within the specified behaviour for the architecture. */ + __asm volatile( "dsb" ::: "memory" ); + __asm volatile( "isb" ); +} +/*-----------------------------------------------------------*/ + +void vPortExitCritical( void ) /* PRIVILEGED_FUNCTION */ +{ + configASSERT( ulCriticalNesting ); + ulCriticalNesting--; + + if( ulCriticalNesting == 0 ) + { + portENABLE_INTERRUPTS(); + } +} +/*-----------------------------------------------------------*/ + +void SysTick_Handler( void ) /* PRIVILEGED_FUNCTION */ +{ +uint32_t ulPreviousMask; + + ulPreviousMask = portSET_INTERRUPT_MASK_FROM_ISR(); + { + /* Increment the RTOS tick. */ + if( xTaskIncrementTick() != pdFALSE ) + { + /* Pend a context switch. */ + *( portNVIC_INT_CTRL ) = portNVIC_PENDSVSET; + } + } + portCLEAR_INTERRUPT_MASK_FROM_ISR( ulPreviousMask ); +} +/*-----------------------------------------------------------*/ + +void vPortSVCHandler_C( uint32_t *pulCallerStackAddress ) /* PRIVILEGED_FUNCTION */ +{ +#if( configENABLE_MPU == 1 ) + #if defined( __ARMCC_VERSION ) + /* Declaration when these variable are defined in code instead of being + * exported from linker scripts. */ + extern uint32_t * __syscalls_flash_start__; + extern uint32_t * __syscalls_flash_end__; + #else + /* Declaration when these variable are exported from linker scripts. */ + extern uint32_t __syscalls_flash_start__[]; + extern uint32_t __syscalls_flash_end__[]; + #endif /* defined( __ARMCC_VERSION ) */ +#endif /* configENABLE_MPU */ + +uint32_t ulPC; + +#if( configENABLE_TRUSTZONE == 1 ) + uint32_t ulR0; + #if( configENABLE_MPU == 1 ) + uint32_t ulControl, ulIsTaskPrivileged; + #endif /* configENABLE_MPU */ +#endif /* configENABLE_TRUSTZONE */ +uint8_t ucSVCNumber; + + /* Register are stored on the stack in the following order - R0, R1, R2, R3, + * R12, LR, PC, xPSR. */ + ulPC = pulCallerStackAddress[ 6 ]; + ucSVCNumber = ( ( uint8_t *) ulPC )[ -2 ]; + + switch( ucSVCNumber ) + { + #if( configENABLE_TRUSTZONE == 1 ) + case portSVC_ALLOCATE_SECURE_CONTEXT: + { + /* R0 contains the stack size passed as parameter to the + * vPortAllocateSecureContext function. */ + ulR0 = pulCallerStackAddress[ 0 ]; + + #if( configENABLE_MPU == 1 ) + { + /* Read the CONTROL register value. */ + __asm volatile ( "mrs %0, control" : "=r" ( ulControl ) ); + + /* The task that raised the SVC is privileged if Bit[0] + * in the CONTROL register is 0. */ + ulIsTaskPrivileged = ( ( ulControl & portCONTROL_PRIVILEGED_MASK ) == 0 ); + + /* Allocate and load a context for the secure task. */ + xSecureContext = SecureContext_AllocateContext( ulR0, ulIsTaskPrivileged ); + } + #else + { + /* Allocate and load a context for the secure task. */ + xSecureContext = SecureContext_AllocateContext( ulR0 ); + } + #endif /* configENABLE_MPU */ + + configASSERT( xSecureContext != NULL ); + SecureContext_LoadContext( xSecureContext ); + } + break; + + case portSVC_FREE_SECURE_CONTEXT: + { + /* R0 contains the secure context handle to be freed. */ + ulR0 = pulCallerStackAddress[ 0 ]; + + /* Free the secure context. */ + SecureContext_FreeContext( ( SecureContextHandle_t ) ulR0 ); + } + break; + #endif /* configENABLE_TRUSTZONE */ + + case portSVC_START_SCHEDULER: + { + #if( configENABLE_TRUSTZONE == 1 ) + { + /* De-prioritize the non-secure exceptions so that the + * non-secure pendSV runs at the lowest priority. */ + SecureInit_DePrioritizeNSExceptions(); + + /* Initialize the secure context management system. */ + SecureContext_Init(); + } + #endif /* configENABLE_TRUSTZONE */ + + #if( configENABLE_FPU == 1 ) + { + /* Setup the Floating Point Unit (FPU). */ + prvSetupFPU(); + } + #endif /* configENABLE_FPU */ + + /* Setup the context of the first task so that the first task starts + * executing. */ + vRestoreContextOfFirstTask(); + } + break; + + #if( configENABLE_MPU == 1 ) + case portSVC_RAISE_PRIVILEGE: + { + /* Only raise the privilege, if the svc was raised from any of + * the system calls. */ + if( ulPC >= ( uint32_t ) __syscalls_flash_start__ && + ulPC <= ( uint32_t ) __syscalls_flash_end__ ) + { + vRaisePrivilege(); + } + } + break; + #endif /* configENABLE_MPU */ + + default: + { + /* Incorrect SVC call. */ + configASSERT( pdFALSE ); + } + } +} +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, StackType_t *pxEndOfStack, TaskFunction_t pxCode, void *pvParameters, BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */ +#else + StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, StackType_t *pxEndOfStack, TaskFunction_t pxCode, void *pvParameters ) /* PRIVILEGED_FUNCTION */ +#endif /* configENABLE_MPU */ +{ + /* Simulate the stack frame as it would be created by a context switch + * interrupt. */ + #if( portPRELOAD_REGISTERS == 0 ) + { + pxTopOfStack--; /* Offset added to account for the way the MCU uses the stack on entry/exit of interrupts. */ + *pxTopOfStack = portINITIAL_XPSR; /* xPSR */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxCode; /* PC */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* LR */ + pxTopOfStack -= 5; /* R12, R3, R2 and R1. */ + *pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */ + pxTopOfStack -= 9; /* R11..R4, EXC_RETURN. */ + *pxTopOfStack = portINITIAL_EXC_RETURN; + + #if( configENABLE_MPU == 1 ) + { + pxTopOfStack--; + if( xRunPrivileged == pdTRUE ) + { + *pxTopOfStack = portINITIAL_CONTROL_PRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + else + { + *pxTopOfStack = portINITIAL_CONTROL_UNPRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + } + #endif /* configENABLE_MPU */ + + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxEndOfStack; /* Slot used to hold this task's PSPLIM value. */ + + #if( configENABLE_TRUSTZONE == 1 ) + { + pxTopOfStack--; + *pxTopOfStack = portNO_SECURE_CONTEXT; /* Slot used to hold this task's xSecureContext value. */ + } + #endif /* configENABLE_TRUSTZONE */ + } + #else /* portPRELOAD_REGISTERS */ + { + pxTopOfStack--; /* Offset added to account for the way the MCU uses the stack on entry/exit of interrupts. */ + *pxTopOfStack = portINITIAL_XPSR; /* xPSR */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxCode; /* PC */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* LR */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x12121212UL; /* R12 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x03030303UL; /* R3 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x02020202UL; /* R2 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x01010101UL; /* R1 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x11111111UL; /* R11 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x10101010UL; /* R10 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x09090909UL; /* R09 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x08080808UL; /* R08 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x07070707UL; /* R07 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x06060606UL; /* R06 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x05050505UL; /* R05 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x04040404UL; /* R04 */ + pxTopOfStack--; + *pxTopOfStack = portINITIAL_EXC_RETURN; /* EXC_RETURN */ + + #if( configENABLE_MPU == 1 ) + { + pxTopOfStack--; + if( xRunPrivileged == pdTRUE ) + { + *pxTopOfStack = portINITIAL_CONTROL_PRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + else + { + *pxTopOfStack = portINITIAL_CONTROL_UNPRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + } + #endif /* configENABLE_MPU */ + + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxEndOfStack; /* Slot used to hold this task's PSPLIM value. */ + + #if( configENABLE_TRUSTZONE == 1 ) + { + pxTopOfStack--; + *pxTopOfStack = portNO_SECURE_CONTEXT; /* Slot used to hold this task's xSecureContext value. */ + } + #endif /* configENABLE_TRUSTZONE */ + } + #endif /* portPRELOAD_REGISTERS */ + + return pxTopOfStack; +} +/*-----------------------------------------------------------*/ + +BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Make PendSV, CallSV and SysTick the same priority as the kernel. */ + *( portNVIC_SYSPRI2 ) |= portNVIC_PENDSV_PRI; + *( portNVIC_SYSPRI2 ) |= portNVIC_SYSTICK_PRI; + + #if( configENABLE_MPU == 1 ) + { + /* Setup the Memory Protection Unit (MPU). */ + prvSetupMPU(); + } + #endif /* configENABLE_MPU */ + + /* Start the timer that generates the tick ISR. Interrupts are disabled + * here already. */ + prvSetupTimerInterrupt(); + + /* Initialize the critical nesting count ready for the first task. */ + ulCriticalNesting = 0; + + /* Start the first task. */ + vStartFirstTask(); + + /* Should never get here as the tasks will now be executing. Call the task + * exit error function to prevent compiler warnings about a static function + * not being called in the case that the application writer overrides this + * functionality by defining configTASK_RETURN_ADDRESS. Call + * vTaskSwitchContext() so link time optimization does not remove the + * symbol. */ + vTaskSwitchContext(); + prvTaskExitError(); + + /* Should not get here. */ + return 0; +} +/*-----------------------------------------------------------*/ + +void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Not implemented in ports where there is nothing to return to. + * Artificially force an assert. */ + configASSERT( ulCriticalNesting == 1000UL ); +} +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + void vPortStoreTaskMPUSettings( xMPU_SETTINGS *xMPUSettings, const struct xMEMORY_REGION * const xRegions, StackType_t *pxBottomOfStack, uint32_t ulStackDepth ) + { + uint32_t ulRegionStartAddress, ulRegionEndAddress, ulRegionNumber; + int32_t lIndex = 0; + + /* Setup MAIR0. */ + xMPUSettings->ulMAIR0 = ( ( portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE << portMPU_MAIR_ATTR0_POS ) & portMPU_MAIR_ATTR0_MASK ); + xMPUSettings->ulMAIR0 |= ( ( portMPU_DEVICE_MEMORY_nGnRE << portMPU_MAIR_ATTR1_POS ) & portMPU_MAIR_ATTR1_MASK ); + + /* This function is called automatically when the task is created - in + * which case the stack region parameters will be valid. At all other + * times the stack parameters will not be valid and it is assumed that + * the stack region has already been configured. */ + if( ulStackDepth > 0 ) + { + /* Define the region that allows access to the stack. */ + ulRegionStartAddress = ( ( uint32_t ) pxBottomOfStack ) & portMPU_RBAR_ADDRESS_MASK; + ulRegionEndAddress = ( uint32_t ) pxBottomOfStack + ( ulStackDepth * ( uint32_t ) sizeof( StackType_t ) ) - 1; + ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK; + + xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = ( ulRegionStartAddress ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_READ_WRITE ) | + ( portMPU_REGION_EXECUTE_NEVER ); + + xMPUSettings->xRegionsSettings[ 0 ].ulRLAR = ( ulRegionEndAddress ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + } + + /* User supplied configurable regions. */ + for( ulRegionNumber = 1; ulRegionNumber <= portNUM_CONFIGURABLE_REGIONS; ulRegionNumber++ ) + { + /* If xRegions is NULL i.e. the task has not specified any MPU + * region, the else part ensures that all the configurable MPU + * regions are invalidated. */ + if( ( xRegions != NULL ) && ( xRegions[ lIndex ].ulLengthInBytes > 0UL ) ) + { + /* Translate the generic region definition contained in xRegions + * into the ARMv8 specific MPU settings that are then stored in + * xMPUSettings. */ + ulRegionStartAddress = ( ( uint32_t ) xRegions[ lIndex ].pvBaseAddress ) & portMPU_RBAR_ADDRESS_MASK; + ulRegionEndAddress = ( uint32_t ) xRegions[ lIndex ].pvBaseAddress + xRegions[ lIndex ].ulLengthInBytes - 1; + ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK; + + /* Start address. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR = ( ulRegionStartAddress ) | + ( portMPU_REGION_NON_SHAREABLE ); + + /* RO/RW. */ + if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_READ_ONLY ) != 0 ) + { + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR |= ( portMPU_REGION_READ_ONLY ); + } + else + { + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR |= ( portMPU_REGION_READ_WRITE ); + } + + /* XN. */ + if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_EXECUTE_NEVER ) != 0 ) + { + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR |= ( portMPU_REGION_EXECUTE_NEVER ); + } + + /* End Address. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Normal memory/ Device memory. */ + if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 ) + { + /* Attr1 in MAIR0 is configured as device memory. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= portMPU_RLAR_ATTR_INDEX1; + } + else + { + /* Attr1 in MAIR0 is configured as normal memory. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= portMPU_RLAR_ATTR_INDEX0; + } + } + else + { + /* Invalidate the region. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR = 0UL; + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = 0UL; + } + + lIndex++; + } + } +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portasm.c b/FreeRTOS/Source/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portasm.c new file mode 100644 index 000000000..0485923e3 --- /dev/null +++ b/FreeRTOS/Source/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portasm.c @@ -0,0 +1,381 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Standard includes. */ +#include + +/* Portasm includes. */ +#include "portasm.h" + +void vRestoreContextOfFirstTask( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " .syntax unified \n" + " \n" + " ldr r2, pxCurrentTCBConst2 \n" /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + " ldr r3, [r2] \n" /* Read pxCurrentTCB. */ + " ldr r0, [r3] \n" /* Read top of stack from TCB - The first item in pxCurrentTCB is the task top of stack. */ + " \n" + #if( configENABLE_MPU == 1 ) + " adds r3, #4 \n" /* r3 = r3 + 4. r3 now points to MAIR0 in TCB. */ + " ldr r4, [r3] \n" /* r4 = *r3 i.e. r4 = MAIR0. */ + " ldr r2, xMAIR0Const2 \n" /* r2 = 0xe000edc0 [Location of MAIR0]. */ + " str r4, [r2] \n" /* Program MAIR0. */ + " ldr r2, xRNRConst2 \n" /* r2 = 0xe000ed98 [Location of RNR]. */ + " movs r4, #4 \n" /* r4 = 4. */ + " str r4, [r2] \n" /* Program RNR = 4. */ + " adds r3, #4 \n" /* r3 = r3 + 4. r3 now points to first RBAR in TCB. */ + " ldr r2, xRBARConst2 \n" /* r2 = 0xe000ed9c [Location of RBAR]. */ + " ldmia r3!, {r4-r11} \n" /* Read 4 set of RBAR/RLAR registers from TCB. */ + " stmia r2!, {r4-r11} \n" /* Write 4 set of RBAR/RLAR registers using alias registers. */ + #endif /* configENABLE_MPU */ + " \n" + #if( configENABLE_MPU == 1 ) + " ldm r0!, {r1-r4} \n" /* Read from stack - r1 = xSecureContext, r2 = PSPLIM, r3 = CONTROL and r4 = EXC_RETURN. */ + " ldr r5, xSecureContextConst2 \n" + " str r1, [r5] \n" /* Set xSecureContext to this task's value for the same. */ + " msr psplim, r2 \n" /* Set this task's PSPLIM value. */ + " msr control, r3 \n" /* Set this task's CONTROL value. */ + " adds r0, #32 \n" /* Discard everything up to r0. */ + " msr psp, r0 \n" /* This is now the new top of stack to use in the task. */ + " isb \n" + " bx r4 \n" /* Finally, branch to EXC_RETURN. */ + #else /* configENABLE_MPU */ + " ldm r0!, {r1-r3} \n" /* Read from stack - r1 = xSecureContext, r2 = PSPLIM and r3 = EXC_RETURN. */ + " ldr r4, xSecureContextConst2 \n" + " str r1, [r4] \n" /* Set xSecureContext to this task's value for the same. */ + " msr psplim, r2 \n" /* Set this task's PSPLIM value. */ + " movs r1, #2 \n" /* r1 = 2. */ + " msr CONTROL, r1 \n" /* Switch to use PSP in the thread mode. */ + " adds r0, #32 \n" /* Discard everything up to r0. */ + " msr psp, r0 \n" /* This is now the new top of stack to use in the task. */ + " isb \n" + " bx r3 \n" /* Finally, branch to EXC_RETURN. */ + #endif /* configENABLE_MPU */ + " \n" + " .align 4 \n" + "pxCurrentTCBConst2: .word pxCurrentTCB \n" + "xSecureContextConst2: .word xSecureContext \n" + #if( configENABLE_MPU == 1 ) + "xMAIR0Const2: .word 0xe000edc0 \n" + "xRNRConst2: .word 0xe000ed98 \n" + "xRBARConst2: .word 0xe000ed9c \n" + #endif /* configENABLE_MPU */ + ); +} +/*-----------------------------------------------------------*/ + +BaseType_t xIsPrivileged( void ) /* __attribute__ (( naked )) */ +{ + __asm volatile + ( + " mrs r0, control \n" /* r0 = CONTROL. */ + " tst r0, #1 \n" /* Perform r0 & 1 (bitwise AND) and update the conditions flag. */ + " ite ne \n" + " movne r0, #0 \n" /* CONTROL[0]!=0. Return false to indicate that the processor is not privileged. */ + " moveq r0, #1 \n" /* CONTROL[0]==0. Return true to indicate that the processor is privileged. */ + " bx lr \n" /* Return. */ + " \n" + " .align 4 \n" + ::: "r0", "memory" + ); +} +/*-----------------------------------------------------------*/ + +void vRaisePrivilege( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " mrs r0, control \n" /* Read the CONTROL register. */ + " bic r0, #1 \n" /* Clear the bit 0. */ + " msr control, r0 \n" /* Write back the new CONTROL value. */ + " bx lr \n" /* Return to the caller. */ + ::: "r0", "memory" + ); +} +/*-----------------------------------------------------------*/ + +void vResetPrivilege( void ) /* __attribute__ (( naked )) */ +{ + __asm volatile + ( + " mrs r0, control \n" /* r0 = CONTROL. */ + " orr r0, #1 \n" /* r0 = r0 | 1. */ + " msr control, r0 \n" /* CONTROL = r0. */ + " bx lr \n" /* Return to the caller. */ + :::"r0", "memory" + ); +} +/*-----------------------------------------------------------*/ + +void vStartFirstTask( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " ldr r0, xVTORConst \n" /* Use the NVIC offset register to locate the stack. */ + " ldr r0, [r0] \n" /* Read the VTOR register which gives the address of vector table. */ + " ldr r0, [r0] \n" /* The first entry in vector table is stack pointer. */ + " msr msp, r0 \n" /* Set the MSP back to the start of the stack. */ + " cpsie i \n" /* Globally enable interrupts. */ + " cpsie f \n" + " dsb \n" + " isb \n" + " svc %0 \n" /* System call to start the first task. */ + " nop \n" + " \n" + " .align 4 \n" + "xVTORConst: .word 0xe000ed08 \n" + :: "i" ( portSVC_START_SCHEDULER ) : "memory" + ); +} +/*-----------------------------------------------------------*/ + +uint32_t ulSetInterruptMaskFromISR( void ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " mrs r0, PRIMASK \n" + " cpsid i \n" + " bx lr \n" + ::: "memory" + ); + +#if !defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) + /* To avoid compiler warnings. The return statement will never be reached, + * but some compilers warn if it is not included, while others won't compile + * if it is. */ + return 0; +#endif +} +/*-----------------------------------------------------------*/ + +void vClearInterruptMaskFromISR( __attribute__( ( unused ) ) uint32_t ulMask ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " msr PRIMASK, r0 \n" + " bx lr \n" + ::: "memory" + ); + +#if !defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) + /* Just to avoid compiler warning. ulMask is used from the asm code but + * the compiler can't see that. Some compilers generate warnings without + * the following line, while others generate warnings if the line is + * included. */ + ( void ) ulMask; +#endif +} +/*-----------------------------------------------------------*/ + +void PendSV_Handler( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " .syntax unified \n" + " .extern SecureContext_SaveContext \n" + " .extern SecureContext_LoadContext \n" + " \n" + " mrs r1, psp \n" /* Read PSP in r1. */ + " ldr r2, xSecureContextConst \n" /* Read the location of xSecureContext i.e. &( xSecureContext ). */ + " ldr r0, [r2] \n" /* Read xSecureContext - Value of xSecureContext must be in r0 as it is used as a parameter later. */ + " \n" + " cbz r0, save_ns_context \n" /* No secure context to save. */ + " push {r0-r2, r14} \n" + " bl SecureContext_SaveContext \n" + " pop {r0-r3} \n" /* LR is now in r3. */ + " mov lr, r3 \n" /* LR = r3. */ + " lsls r2, r3, #25 \n" /* r2 = r3 << 25. Bit[6] of EXC_RETURN is 1 if secure stack was used, 0 if non-secure stack was used to store stack frame. */ + " bpl save_ns_context \n" /* bpl - branch if positive or zero. If r2 >= 0 ==> Bit[6] in EXC_RETURN is 0 i.e. non-secure stack was used. */ + " ldr r3, pxCurrentTCBConst \n" /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + " ldr r2, [r3] \n" /* Read pxCurrentTCB. */ + #if( configENABLE_MPU == 1 ) + " subs r1, r1, #16 \n" /* Make space for xSecureContext, PSPLIM, CONTROL and LR on the stack. */ + " str r1, [r2] \n" /* Save the new top of stack in TCB. */ + " mrs r2, psplim \n" /* r2 = PSPLIM. */ + " mrs r3, control \n" /* r3 = CONTROL. */ + " mov r4, lr \n" /* r4 = LR/EXC_RETURN. */ + " stmia r1!, {r0, r2-r4} \n" /* Store xSecureContext, PSPLIM, CONTROL and LR on the stack. */ + #else /* configENABLE_MPU */ + " subs r1, r1, #12 \n" /* Make space for xSecureContext, PSPLIM and LR on the stack. */ + " str r1, [r2] \n" /* Save the new top of stack in TCB. */ + " mrs r2, psplim \n" /* r2 = PSPLIM. */ + " mov r3, lr \n" /* r3 = LR/EXC_RETURN. */ + " stmia r1!, {r0, r2-r3} \n" /* Store xSecureContext, PSPLIM and LR on the stack. */ + #endif /* configENABLE_MPU */ + " b select_next_task \n" + " \n" + " save_ns_context: \n" + " ldr r3, pxCurrentTCBConst \n" /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + " ldr r2, [r3] \n" /* Read pxCurrentTCB. */ + #if( configENABLE_FPU == 1 ) + " tst lr, #0x10 \n" /* Test Bit[4] in LR. Bit[4] of EXC_RETURN is 0 if the FPU is in use. */ + " it eq \n" + " vstmdbeq r1!, {s16-s31} \n" /* Store the FPU registers which are not saved automatically. */ + #endif /* configENABLE_FPU */ + #if( configENABLE_MPU == 1 ) + " subs r1, r1, #48 \n" /* Make space for xSecureContext, PSPLIM, CONTROL, LR and the remaining registers on the stack. */ + " str r1, [r2] \n" /* Save the new top of stack in TCB. */ + " adds r1, r1, #16 \n" /* r1 = r1 + 16. */ + " stm r1, {r4-r11} \n" /* Store the registers that are not saved automatically. */ + " mrs r2, psplim \n" /* r2 = PSPLIM. */ + " mrs r3, control \n" /* r3 = CONTROL. */ + " mov r4, lr \n" /* r4 = LR/EXC_RETURN. */ + " subs r1, r1, #16 \n" /* r1 = r1 - 16. */ + " stm r1, {r0, r2-r4} \n" /* Store xSecureContext, PSPLIM, CONTROL and LR on the stack. */ + #else /* configENABLE_MPU */ + " subs r1, r1, #44 \n" /* Make space for xSecureContext, PSPLIM, LR and the remaining registers on the stack. */ + " str r1, [r2] \n" /* Save the new top of stack in TCB. */ + " adds r1, r1, #12 \n" /* r1 = r1 + 12. */ + " stm r1, {r4-r11} \n" /* Store the registers that are not saved automatically. */ + " mrs r2, psplim \n" /* r2 = PSPLIM. */ + " mov r3, lr \n" /* r3 = LR/EXC_RETURN. */ + " subs r1, r1, #12 \n" /* r1 = r1 - 12. */ + " stmia r1!, {r0, r2-r3} \n" /* Store xSecureContext, PSPLIM and LR on the stack. */ + #endif /* configENABLE_MPU */ + " \n" + " select_next_task: \n" + " cpsid i \n" + " bl vTaskSwitchContext \n" + " cpsie i \n" + " \n" + " ldr r2, pxCurrentTCBConst \n" /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + " ldr r3, [r2] \n" /* Read pxCurrentTCB. */ + " ldr r1, [r3] \n" /* The first item in pxCurrentTCB is the task top of stack. r1 now points to the top of stack. */ + " \n" + #if( configENABLE_MPU == 1 ) + " adds r3, #4 \n" /* r3 = r3 + 4. r3 now points to MAIR0 in TCB. */ + " ldr r4, [r3] \n" /* r4 = *r3 i.e. r4 = MAIR0. */ + " ldr r2, xMAIR0Const \n" /* r2 = 0xe000edc0 [Location of MAIR0]. */ + " str r4, [r2] \n" /* Program MAIR0. */ + " ldr r2, xRNRConst \n" /* r2 = 0xe000ed98 [Location of RNR]. */ + " movs r4, #4 \n" /* r4 = 4. */ + " str r4, [r2] \n" /* Program RNR = 4. */ + " adds r3, #4 \n" /* r3 = r3 + 4. r3 now points to first RBAR in TCB. */ + " ldr r2, xRBARConst \n" /* r2 = 0xe000ed9c [Location of RBAR]. */ + " ldmia r3!, {r4-r11} \n" /* Read 4 sets of RBAR/RLAR registers from TCB. */ + " stmia r2!, {r4-r11} \n" /* Write 4 set of RBAR/RLAR registers using alias registers. */ + #endif /* configENABLE_MPU */ + " \n" + #if( configENABLE_MPU == 1 ) + " ldmia r1!, {r0, r2-r4} \n" /* Read from stack - r0 = xSecureContext, r2 = PSPLIM, r3 = CONTROL and r4 = LR. */ + " msr psplim, r2 \n" /* Restore the PSPLIM register value for the task. */ + " msr control, r3 \n" /* Restore the CONTROL register value for the task. */ + " mov lr, r4 \n" /* LR = r4. */ + " ldr r2, xSecureContextConst \n" /* Read the location of xSecureContext i.e. &( xSecureContext ). */ + " str r0, [r2] \n" /* Restore the task's xSecureContext. */ + " cbz r0, restore_ns_context \n" /* If there is no secure context for the task, restore the non-secure context. */ + " push {r1,r4} \n" + " bl SecureContext_LoadContext \n" /* Restore the secure context. */ + " pop {r1,r4} \n" + " mov lr, r4 \n" /* LR = r4. */ + " lsls r2, r4, #25 \n" /* r2 = r4 << 25. Bit[6] of EXC_RETURN is 1 if secure stack was used, 0 if non-secure stack was used to store stack frame. */ + " bpl restore_ns_context \n" /* bpl - branch if positive or zero. If r2 >= 0 ==> Bit[6] in EXC_RETURN is 0 i.e. non-secure stack was used. */ + " msr psp, r1 \n" /* Remember the new top of stack for the task. */ + " bx lr \n" + #else /* configENABLE_MPU */ + " ldmia r1!, {r0, r2-r3} \n" /* Read from stack - r0 = xSecureContext, r2 = PSPLIM and r3 = LR. */ + " msr psplim, r2 \n" /* Restore the PSPLIM register value for the task. */ + " mov lr, r3 \n" /* LR = r3. */ + " ldr r2, xSecureContextConst \n" /* Read the location of xSecureContext i.e. &( xSecureContext ). */ + " str r0, [r2] \n" /* Restore the task's xSecureContext. */ + " cbz r0, restore_ns_context \n" /* If there is no secure context for the task, restore the non-secure context. */ + " push {r1,r3} \n" + " bl SecureContext_LoadContext \n" /* Restore the secure context. */ + " pop {r1,r3} \n" + " mov lr, r3 \n" /* LR = r3. */ + " lsls r2, r3, #25 \n" /* r2 = r3 << 25. Bit[6] of EXC_RETURN is 1 if secure stack was used, 0 if non-secure stack was used to store stack frame. */ + " bpl restore_ns_context \n" /* bpl - branch if positive or zero. If r2 >= 0 ==> Bit[6] in EXC_RETURN is 0 i.e. non-secure stack was used. */ + " msr psp, r1 \n" /* Remember the new top of stack for the task. */ + " bx lr \n" + #endif /* configENABLE_MPU */ + " \n" + " restore_ns_context: \n" + " ldmia r1!, {r4-r11} \n" /* Restore the registers that are not automatically restored. */ + #if( configENABLE_FPU == 1 ) + " tst lr, #0x10 \n" /* Test Bit[4] in LR. Bit[4] of EXC_RETURN is 0 if the FPU is in use. */ + " it eq \n" + " vldmiaeq r1!, {s16-s31} \n" /* Restore the FPU registers which are not restored automatically. */ + #endif /* configENABLE_FPU */ + " msr psp, r1 \n" /* Remember the new top of stack for the task. */ + " bx lr \n" + " \n" + " .align 4 \n" + "pxCurrentTCBConst: .word pxCurrentTCB \n" + "xSecureContextConst: .word xSecureContext \n" + #if( configENABLE_MPU == 1 ) + "xMAIR0Const: .word 0xe000edc0 \n" + "xRNRConst: .word 0xe000ed98 \n" + "xRBARConst: .word 0xe000ed9c \n" + #endif /* configENABLE_MPU */ + ); +} +/*-----------------------------------------------------------*/ + +void SVC_Handler( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " tst lr, #4 \n" + " ite eq \n" + " mrseq r0, msp \n" + " mrsne r0, psp \n" + " ldr r1, svchandler_address_const \n" + " bx r1 \n" + " \n" + " .align 4 \n" + "svchandler_address_const: .word vPortSVCHandler_C \n" + ); +} +/*-----------------------------------------------------------*/ + +void vPortAllocateSecureContext( uint32_t ulSecureStackSize ) /* __attribute__ (( naked )) */ +{ + __asm volatile + ( + " svc %0 \n" /* Secure context is allocated in the supervisor call. */ + " bx lr \n" /* Return. */ + :: "i" ( portSVC_ALLOCATE_SECURE_CONTEXT ) : "memory" + ); +} +/*-----------------------------------------------------------*/ + +void vPortFreeSecureContext( uint32_t *pulTCB ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " ldr r1, [r0] \n" /* The first item in the TCB is the top of the stack. */ + " ldr r0, [r1] \n" /* The first item on the stack is the task's xSecureContext. */ + " cmp r0, #0 \n" /* Raise svc if task's xSecureContext is not NULL. */ + " it ne \n" + " svcne %0 \n" /* Secure context is freed in the supervisor call. */ + " bx lr \n" /* Return. */ + :: "i" ( portSVC_FREE_SECURE_CONTEXT ) : "memory" + ); +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portasm.c b/FreeRTOS/Source/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portasm.c new file mode 100644 index 000000000..b8fd05bfa --- /dev/null +++ b/FreeRTOS/Source/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portasm.c @@ -0,0 +1,285 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Standard includes. */ +#include + +/* Portasm includes. */ +#include "portasm.h" + +void vRestoreContextOfFirstTask( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " .syntax unified \n" + " \n" + " ldr r2, pxCurrentTCBConst2 \n" /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + " ldr r1, [r2] \n" /* Read pxCurrentTCB. */ + " ldr r0, [r1] \n" /* Read top of stack from TCB - The first item in pxCurrentTCB is the task top of stack. */ + " \n" + #if( configENABLE_MPU == 1 ) + " adds r1, #4 \n" /* r1 = r1 + 4. r1 now points to MAIR0 in TCB. */ + " ldr r3, [r1] \n" /* r3 = *r1 i.e. r3 = MAIR0. */ + " ldr r2, xMAIR0Const2 \n" /* r2 = 0xe000edc0 [Location of MAIR0]. */ + " str r3, [r2] \n" /* Program MAIR0. */ + " ldr r2, xRNRConst2 \n" /* r2 = 0xe000ed98 [Location of RNR]. */ + " movs r3, #4 \n" /* r3 = 4. */ + " str r3, [r2] \n" /* Program RNR = 4. */ + " adds r1, #4 \n" /* r1 = r1 + 4. r1 now points to first RBAR in TCB. */ + " ldr r2, xRBARConst2 \n" /* r2 = 0xe000ed9c [Location of RBAR]. */ + " ldmia r1!, {r4-r11} \n" /* Read 4 set of RBAR/RLAR registers from TCB. */ + " stmia r2!, {r4-r11} \n" /* Write 4 set of RBAR/RLAR registers using alias registers. */ + #endif /* configENABLE_MPU */ + " \n" + #if( configENABLE_MPU == 1 ) + " ldm r0!, {r1-r3} \n" /* Read from stack - r1 = PSPLIM, r2 = CONTROL and r3 = EXC_RETURN. */ + " msr psplim, r1 \n" /* Set this task's PSPLIM value. */ + " msr control, r2 \n" /* Set this task's CONTROL value. */ + " adds r0, #32 \n" /* Discard everything up to r0. */ + " msr psp, r0 \n" /* This is now the new top of stack to use in the task. */ + " isb \n" + " bx r3 \n" /* Finally, branch to EXC_RETURN. */ + #else /* configENABLE_MPU */ + " ldm r0!, {r1-r2} \n" /* Read from stack - r1 = PSPLIM and r2 = EXC_RETURN. */ + " msr psplim, r1 \n" /* Set this task's PSPLIM value. */ + " movs r1, #2 \n" /* r1 = 2. */ + " msr CONTROL, r1 \n" /* Switch to use PSP in the thread mode. */ + " adds r0, #32 \n" /* Discard everything up to r0. */ + " msr psp, r0 \n" /* This is now the new top of stack to use in the task. */ + " isb \n" + " bx r2 \n" /* Finally, branch to EXC_RETURN. */ + #endif /* configENABLE_MPU */ + " \n" + " .align 4 \n" + "pxCurrentTCBConst2: .word pxCurrentTCB \n" + #if( configENABLE_MPU == 1 ) + "xMAIR0Const2: .word 0xe000edc0 \n" + "xRNRConst2: .word 0xe000ed98 \n" + "xRBARConst2: .word 0xe000ed9c \n" + #endif /* configENABLE_MPU */ + ); +} +/*-----------------------------------------------------------*/ + +BaseType_t xIsPrivileged( void ) /* __attribute__ (( naked )) */ +{ + __asm volatile + ( + " mrs r0, control \n" /* r0 = CONTROL. */ + " tst r0, #1 \n" /* Perform r0 & 1 (bitwise AND) and update the conditions flag. */ + " ite ne \n" + " movne r0, #0 \n" /* CONTROL[0]!=0. Return false to indicate that the processor is not privileged. */ + " moveq r0, #1 \n" /* CONTROL[0]==0. Return true to indicate that the processor is privileged. */ + " bx lr \n" /* Return. */ + " \n" + " .align 4 \n" + ::: "r0", "memory" + ); +} +/*-----------------------------------------------------------*/ + +void vRaisePrivilege( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " mrs r0, control \n" /* Read the CONTROL register. */ + " bic r0, #1 \n" /* Clear the bit 0. */ + " msr control, r0 \n" /* Write back the new CONTROL value. */ + " bx lr \n" /* Return to the caller. */ + ::: "r0", "memory" + ); +} +/*-----------------------------------------------------------*/ + +void vResetPrivilege( void ) /* __attribute__ (( naked )) */ +{ + __asm volatile + ( + " mrs r0, control \n" /* r0 = CONTROL. */ + " orr r0, #1 \n" /* r0 = r0 | 1. */ + " msr control, r0 \n" /* CONTROL = r0. */ + " bx lr \n" /* Return to the caller. */ + :::"r0", "memory" + ); +} +/*-----------------------------------------------------------*/ + +void vStartFirstTask( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " ldr r0, xVTORConst \n" /* Use the NVIC offset register to locate the stack. */ + " ldr r0, [r0] \n" /* Read the VTOR register which gives the address of vector table. */ + " ldr r0, [r0] \n" /* The first entry in vector table is stack pointer. */ + " msr msp, r0 \n" /* Set the MSP back to the start of the stack. */ + " cpsie i \n" /* Globally enable interrupts. */ + " cpsie f \n" + " dsb \n" + " isb \n" + " svc %0 \n" /* System call to start the first task. */ + " nop \n" + " \n" + " .align 4 \n" + "xVTORConst: .word 0xe000ed08 \n" + :: "i" ( portSVC_START_SCHEDULER ) : "memory" + ); +} +/*-----------------------------------------------------------*/ + +uint32_t ulSetInterruptMaskFromISR( void ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " mrs r0, PRIMASK \n" + " cpsid i \n" + " bx lr \n" + ::: "memory" + ); + +#if !defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) + /* To avoid compiler warnings. The return statement will never be reached, + * but some compilers warn if it is not included, while others won't compile + * if it is. */ + return 0; +#endif +} +/*-----------------------------------------------------------*/ + +void vClearInterruptMaskFromISR( __attribute__( ( unused ) ) uint32_t ulMask ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " msr PRIMASK, r0 \n" + " bx lr \n" + ::: "memory" + ); + +#if !defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) + /* Just to avoid compiler warning. ulMask is used from the asm code but + * the compiler can't see that. Some compilers generate warnings without + * the following line, while others generate warnings if the line is + * included. */ + ( void ) ulMask; +#endif +} +/*-----------------------------------------------------------*/ + +void PendSV_Handler( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " .syntax unified \n" + " \n" + " mrs r0, psp \n" /* Read PSP in r0. */ + #if( configENABLE_FPU == 1 ) + " tst lr, #0x10 \n" /* Test Bit[4] in LR. Bit[4] of EXC_RETURN is 0 if the FPU is in use. */ + " it eq \n" + " vstmdbeq r0!, {s16-s31} \n" /* Store the FPU registers which are not saved automatically. */ + #endif /* configENABLE_FPU */ + #if( configENABLE_MPU == 1 ) + " mrs r1, psplim \n" /* r1 = PSPLIM. */ + " mrs r2, control \n" /* r2 = CONTROL. */ + " mov r3, lr \n" /* r3 = LR/EXC_RETURN. */ + " stmdb r0!, {r1-r11} \n" /* Store on the stack - PSPLIM, CONTROL, LR and registers that are not automatically saved. */ + #else /* configENABLE_MPU */ + " mrs r2, psplim \n" /* r2 = PSPLIM. */ + " mov r3, lr \n" /* r3 = LR/EXC_RETURN. */ + " stmdb r0!, {r2-r11} \n" /* Store on the stack - PSPLIM, LR and registers that are not automatically saved. */ + #endif /* configENABLE_MPU */ + " \n" + " ldr r2, pxCurrentTCBConst \n" /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + " ldr r1, [r2] \n" /* Read pxCurrentTCB. */ + " str r0, [r1] \n" /* Save the new top of stack in TCB. */ + " \n" + " cpsid i \n" + " bl vTaskSwitchContext \n" + " cpsie i \n" + " \n" + " ldr r2, pxCurrentTCBConst \n" /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + " ldr r1, [r2] \n" /* Read pxCurrentTCB. */ + " ldr r0, [r1] \n" /* The first item in pxCurrentTCB is the task top of stack. r0 now points to the top of stack. */ + " \n" + #if( configENABLE_MPU == 1 ) + " adds r1, #4 \n" /* r1 = r1 + 4. r1 now points to MAIR0 in TCB. */ + " ldr r3, [r1] \n" /* r3 = *r1 i.e. r3 = MAIR0. */ + " ldr r2, xMAIR0Const \n" /* r2 = 0xe000edc0 [Location of MAIR0]. */ + " str r3, [r2] \n" /* Program MAIR0. */ + " ldr r2, xRNRConst \n" /* r2 = 0xe000ed98 [Location of RNR]. */ + " movs r3, #4 \n" /* r3 = 4. */ + " str r3, [r2] \n" /* Program RNR = 4. */ + " adds r1, #4 \n" /* r1 = r1 + 4. r1 now points to first RBAR in TCB. */ + " ldr r2, xRBARConst \n" /* r2 = 0xe000ed9c [Location of RBAR]. */ + " ldmia r1!, {r4-r11} \n" /* Read 4 sets of RBAR/RLAR registers from TCB. */ + " stmia r2!, {r4-r11} \n" /* Write 4 set of RBAR/RLAR registers using alias registers. */ + #endif /* configENABLE_MPU */ + " \n" + #if( configENABLE_MPU == 1 ) + " ldmia r0!, {r1-r11} \n" /* Read from stack - r1 = PSPLIM, r2 = CONTROL, r3 = LR and r4-r11 restored. */ + #else /* configENABLE_MPU */ + " ldmia r0!, {r2-r11} \n" /* Read from stack - r2 = PSPLIM, r3 = LR and r4-r11 restored. */ + #endif /* configENABLE_MPU */ + " \n" + #if( configENABLE_FPU == 1 ) + " tst r3, #0x10 \n" /* Test Bit[4] in LR. Bit[4] of EXC_RETURN is 0 if the FPU is in use. */ + " it eq \n" + " vldmiaeq r0!, {s16-s31} \n" /* Restore the FPU registers which are not restored automatically. */ + #endif /* configENABLE_FPU */ + " \n" + #if( configENABLE_MPU == 1 ) + " msr psplim, r1 \n" /* Restore the PSPLIM register value for the task. */ + " msr control, r2 \n" /* Restore the CONTROL register value for the task. */ + #else /* configENABLE_MPU */ + " msr psplim, r2 \n" /* Restore the PSPLIM register value for the task. */ + #endif /* configENABLE_MPU */ + " msr psp, r0 \n" /* Remember the new top of stack for the task. */ + " bx r3 \n" + " \n" + " .align 4 \n" + "pxCurrentTCBConst: .word pxCurrentTCB \n" + "xMAIR0Const: .word 0xe000edc0 \n" + "xRNRConst: .word 0xe000ed98 \n" + "xRBARConst: .word 0xe000ed9c \n" + ); +} +/*-----------------------------------------------------------*/ + +void SVC_Handler( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " tst lr, #4 \n" + " ite eq \n" + " mrseq r0, msp \n" + " mrsne r0, psp \n" + " ldr r1, svchandler_address_const \n" + " bx r1 \n" + " \n" + " .align 4 \n" + "svchandler_address_const: .word vPortSVCHandler_C \n" + ); +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33/portasm.s b/FreeRTOS/Source/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33/portasm.s new file mode 100644 index 000000000..f29f5d9b3 --- /dev/null +++ b/FreeRTOS/Source/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33/portasm.s @@ -0,0 +1,302 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + + EXTERN pxCurrentTCB + EXTERN xSecureContext + EXTERN vTaskSwitchContext + EXTERN vPortSVCHandler_C + EXTERN SecureContext_SaveContext + EXTERN SecureContext_LoadContext + + PUBLIC xIsPrivileged + PUBLIC vResetPrivilege + PUBLIC vPortAllocateSecureContext + PUBLIC vRestoreContextOfFirstTask + PUBLIC vRaisePrivilege + PUBLIC vStartFirstTask + PUBLIC ulSetInterruptMaskFromISR + PUBLIC vClearInterruptMaskFromISR + PUBLIC PendSV_Handler + PUBLIC SVC_Handler + PUBLIC vPortFreeSecureContext +/*-----------------------------------------------------------*/ + +/*---------------- Unprivileged Functions -------------------*/ + +/*-----------------------------------------------------------*/ + + SECTION .text:CODE:NOROOT(2) + THUMB +/*-----------------------------------------------------------*/ + +xIsPrivileged: + mrs r0, control /* r0 = CONTROL. */ + tst r0, #1 /* Perform r0 & 1 (bitwise AND) and update the conditions flag. */ + ite ne + movne r0, #0 /* CONTROL[0]!=0. Return false to indicate that the processor is not privileged. */ + moveq r0, #1 /* CONTROL[0]==0. Return true to indicate that the processor is not privileged. */ + bx lr /* Return. */ +/*-----------------------------------------------------------*/ + +vResetPrivilege: + mrs r0, control /* r0 = CONTROL. */ + orr r0, r0, #1 /* r0 = r0 | 1. */ + msr control, r0 /* CONTROL = r0. */ + bx lr /* Return to the caller. */ +/*-----------------------------------------------------------*/ + +vPortAllocateSecureContext: + svc 0 /* Secure context is allocated in the supervisor call. portSVC_ALLOCATE_SECURE_CONTEXT = 0. */ + bx lr /* Return. */ +/*-----------------------------------------------------------*/ + +/*----------------- Privileged Functions --------------------*/ + +/*-----------------------------------------------------------*/ + + SECTION privileged_functions:CODE:NOROOT(2) + THUMB +/*-----------------------------------------------------------*/ + +vRestoreContextOfFirstTask: + ldr r2, =pxCurrentTCB /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + ldr r3, [r2] /* Read pxCurrentTCB. */ + ldr r0, [r3] /* Read top of stack from TCB - The first item in pxCurrentTCB is the task top of stack. */ + +#if ( configENABLE_MPU == 1 ) + adds r3, #4 /* r3 = r3 + 4. r3 now points to MAIR0 in TCB. */ + ldr r4, [r3] /* r4 = *r3 i.e. r4 = MAIR0. */ + ldr r2, =0xe000edc0 /* r2 = 0xe000edc0 [Location of MAIR0]. */ + str r4, [r2] /* Program MAIR0. */ + ldr r2, =0xe000ed98 /* r2 = 0xe000ed98 [Location of RNR]. */ + movs r4, #4 /* r4 = 4. */ + str r4, [r2] /* Program RNR = 4. */ + adds r3, #4 /* r3 = r3 + 4. r3 now points to first RBAR in TCB. */ + ldr r2, =0xe000ed9c /* r2 = 0xe000ed9c [Location of RBAR]. */ + ldmia r3!, {r4-r11} /* Read 4 set of RBAR/RLAR registers from TCB. */ + stmia r2!, {r4-r11} /* Write 4 set of RBAR/RLAR registers using alias registers. */ +#endif /* configENABLE_MPU */ + +#if ( configENABLE_MPU == 1 ) + ldm r0!, {r1-r4} /* Read from stack - r1 = xSecureContext, r2 = PSPLIM, r3 = CONTROL and r4 = EXC_RETURN. */ + ldr r5, =xSecureContext + str r1, [r5] /* Set xSecureContext to this task's value for the same. */ + msr psplim, r2 /* Set this task's PSPLIM value. */ + msr control, r3 /* Set this task's CONTROL value. */ + adds r0, #32 /* Discard everything up to r0. */ + msr psp, r0 /* This is now the new top of stack to use in the task. */ + isb + bx r4 /* Finally, branch to EXC_RETURN. */ +#else /* configENABLE_MPU */ + ldm r0!, {r1-r3} /* Read from stack - r1 = xSecureContext, r2 = PSPLIM and r3 = EXC_RETURN. */ + ldr r4, =xSecureContext + str r1, [r4] /* Set xSecureContext to this task's value for the same. */ + msr psplim, r2 /* Set this task's PSPLIM value. */ + movs r1, #2 /* r1 = 2. */ + msr CONTROL, r1 /* Switch to use PSP in the thread mode. */ + adds r0, #32 /* Discard everything up to r0. */ + msr psp, r0 /* This is now the new top of stack to use in the task. */ + isb + bx r3 /* Finally, branch to EXC_RETURN. */ +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +vRaisePrivilege: + mrs r0, control /* Read the CONTROL register. */ + bic r0, r0, #1 /* Clear the bit 0. */ + msr control, r0 /* Write back the new CONTROL value. */ + bx lr /* Return to the caller. */ +/*-----------------------------------------------------------*/ + +vStartFirstTask: + ldr r0, =0xe000ed08 /* Use the NVIC offset register to locate the stack. */ + ldr r0, [r0] /* Read the VTOR register which gives the address of vector table. */ + ldr r0, [r0] /* The first entry in vector table is stack pointer. */ + msr msp, r0 /* Set the MSP back to the start of the stack. */ + cpsie i /* Globally enable interrupts. */ + cpsie f + dsb + isb + svc 2 /* System call to start the first task. portSVC_START_SCHEDULER = 2. */ +/*-----------------------------------------------------------*/ + +ulSetInterruptMaskFromISR: + mrs r0, PRIMASK + cpsid i + bx lr +/*-----------------------------------------------------------*/ + +vClearInterruptMaskFromISR: + msr PRIMASK, r0 + bx lr +/*-----------------------------------------------------------*/ + +PendSV_Handler: + mrs r1, psp /* Read PSP in r1. */ + ldr r2, =xSecureContext /* Read the location of xSecureContext i.e. &( xSecureContext ). */ + ldr r0, [r2] /* Read xSecureContext - Value of xSecureContext must be in r0 as it is used as a parameter later. */ + + cbz r0, save_ns_context /* No secure context to save. */ + push {r0-r2, r14} + bl SecureContext_SaveContext + pop {r0-r3} /* LR is now in r3. */ + mov lr, r3 /* LR = r3. */ + lsls r2, r3, #25 /* r2 = r3 << 25. Bit[6] of EXC_RETURN is 1 if secure stack was used, 0 if non-secure stack was used to store stack frame. */ + bpl save_ns_context /* bpl - branch if positive or zero. If r2 >= 0 ==> Bit[6] in EXC_RETURN is 0 i.e. non-secure stack was used. */ + ldr r3, =pxCurrentTCB /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + ldr r2, [r3] /* Read pxCurrentTCB. */ +#if ( configENABLE_MPU == 1 ) + subs r1, r1, #16 /* Make space for xSecureContext, PSPLIM, CONTROL and LR on the stack. */ + str r1, [r2] /* Save the new top of stack in TCB. */ + mrs r2, psplim /* r2 = PSPLIM. */ + mrs r3, control /* r3 = CONTROL. */ + mov r4, lr /* r4 = LR/EXC_RETURN. */ + stmia r1!, {r0, r2-r4} /* Store xSecureContext, PSPLIM, CONTROL and LR on the stack. */ +#else /* configENABLE_MPU */ + subs r1, r1, #12 /* Make space for xSecureContext, PSPLIM and LR on the stack. */ + str r1, [r2] /* Save the new top of stack in TCB. */ + mrs r2, psplim /* r2 = PSPLIM. */ + mov r3, lr /* r3 = LR/EXC_RETURN. */ + stmia r1!, {r0, r2-r3} /* Store xSecureContext, PSPLIM and LR on the stack. */ +#endif /* configENABLE_MPU */ + b select_next_task + + save_ns_context: + ldr r3, =pxCurrentTCB /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + ldr r2, [r3] /* Read pxCurrentTCB. */ + #if ( configENABLE_FPU == 1 ) + tst lr, #0x10 /* Test Bit[4] in LR. Bit[4] of EXC_RETURN is 0 if the FPU is in use. */ + it eq + vstmdbeq r1!, {s16-s31} /* Store the FPU registers which are not saved automatically. */ + #endif /* configENABLE_FPU */ + #if ( configENABLE_MPU == 1 ) + subs r1, r1, #48 /* Make space for xSecureContext, PSPLIM, CONTROL, LR and the remaining registers on the stack. */ + str r1, [r2] /* Save the new top of stack in TCB. */ + adds r1, r1, #16 /* r1 = r1 + 16. */ + stm r1, {r4-r11} /* Store the registers that are not saved automatically. */ + mrs r2, psplim /* r2 = PSPLIM. */ + mrs r3, control /* r3 = CONTROL. */ + mov r4, lr /* r4 = LR/EXC_RETURN. */ + subs r1, r1, #16 /* r1 = r1 - 16. */ + stm r1, {r0, r2-r4} /* Store xSecureContext, PSPLIM, CONTROL and LR on the stack. */ + #else /* configENABLE_MPU */ + subs r1, r1, #44 /* Make space for xSecureContext, PSPLIM, LR and the remaining registers on the stack. */ + str r1, [r2] /* Save the new top of stack in TCB. */ + adds r1, r1, #12 /* r1 = r1 + 12. */ + stm r1, {r4-r11} /* Store the registers that are not saved automatically. */ + mrs r2, psplim /* r2 = PSPLIM. */ + mov r3, lr /* r3 = LR/EXC_RETURN. */ + subs r1, r1, #12 /* r1 = r1 - 12. */ + stmia r1!, {r0, r2-r3} /* Store xSecureContext, PSPLIM and LR on the stack. */ + #endif /* configENABLE_MPU */ + + select_next_task: + cpsid i + bl vTaskSwitchContext + cpsie i + + ldr r2, =pxCurrentTCB /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + ldr r3, [r2] /* Read pxCurrentTCB. */ + ldr r1, [r3] /* The first item in pxCurrentTCB is the task top of stack. r1 now points to the top of stack. */ + + #if ( configENABLE_MPU == 1 ) + adds r3, #4 /* r3 = r3 + 4. r3 now points to MAIR0 in TCB. */ + ldr r4, [r3] /* r4 = *r3 i.e. r4 = MAIR0. */ + ldr r2, =0xe000edc0 /* r2 = 0xe000edc0 [Location of MAIR0]. */ + str r4, [r2] /* Program MAIR0. */ + ldr r2, =0xe000ed98 /* r2 = 0xe000ed98 [Location of RNR]. */ + movs r4, #4 /* r4 = 4. */ + str r4, [r2] /* Program RNR = 4. */ + adds r3, #4 /* r3 = r3 + 4. r3 now points to first RBAR in TCB. */ + ldr r2, =0xe000ed9c /* r2 = 0xe000ed9c [Location of RBAR]. */ + ldmia r3!, {r4-r11} /* Read 4 sets of RBAR/RLAR registers from TCB. */ + stmia r2!, {r4-r11} /* Write 4 set of RBAR/RLAR registers using alias registers. */ + #endif /* configENABLE_MPU */ + + #if ( configENABLE_MPU == 1 ) + ldmia r1!, {r0, r2-r4} /* Read from stack - r0 = xSecureContext, r2 = PSPLIM, r3 = CONTROL and r4 = LR. */ + msr psplim, r2 /* Restore the PSPLIM register value for the task. */ + msr control, r3 /* Restore the CONTROL register value for the task. */ + mov lr, r4 /* LR = r4. */ + ldr r2, =xSecureContext /* Read the location of xSecureContext i.e. &( xSecureContext ). */ + str r0, [r2] /* Restore the task's xSecureContext. */ + cbz r0, restore_ns_context /* If there is no secure context for the task, restore the non-secure context. */ + push {r1,r4} + bl SecureContext_LoadContext /* Restore the secure context. */ + pop {r1,r4} + mov lr, r4 /* LR = r4. */ + lsls r2, r4, #25 /* r2 = r4 << 25. Bit[6] of EXC_RETURN is 1 if secure stack was used, 0 if non-secure stack was used to store stack frame. */ + bpl restore_ns_context /* bpl - branch if positive or zero. If r2 >= 0 ==> Bit[6] in EXC_RETURN is 0 i.e. non-secure stack was used. */ + msr psp, r1 /* Remember the new top of stack for the task. */ + bx lr + #else /* configENABLE_MPU */ + ldmia r1!, {r0, r2-r3} /* Read from stack - r0 = xSecureContext, r2 = PSPLIM and r3 = LR. */ + msr psplim, r2 /* Restore the PSPLIM register value for the task. */ + mov lr, r3 /* LR = r3. */ + ldr r2, =xSecureContext /* Read the location of xSecureContext i.e. &( xSecureContext ). */ + str r0, [r2] /* Restore the task's xSecureContext. */ + cbz r0, restore_ns_context /* If there is no secure context for the task, restore the non-secure context. */ + push {r1,r3} + bl SecureContext_LoadContext /* Restore the secure context. */ + pop {r1,r3} + mov lr, r3 /* LR = r3. */ + lsls r2, r3, #25 /* r2 = r3 << 25. Bit[6] of EXC_RETURN is 1 if secure stack was used, 0 if non-secure stack was used to store stack frame. */ + bpl restore_ns_context /* bpl - branch if positive or zero. If r2 >= 0 ==> Bit[6] in EXC_RETURN is 0 i.e. non-secure stack was used. */ + msr psp, r1 /* Remember the new top of stack for the task. */ + bx lr + #endif /* configENABLE_MPU */ + + restore_ns_context: + ldmia r1!, {r4-r11} /* Restore the registers that are not automatically restored. */ + #if ( configENABLE_FPU == 1 ) + tst lr, #0x10 /* Test Bit[4] in LR. Bit[4] of EXC_RETURN is 0 if the FPU is in use. */ + it eq + vldmiaeq r1!, {s16-s31} /* Restore the FPU registers which are not restored automatically. */ + #endif /* configENABLE_FPU */ + msr psp, r1 /* Remember the new top of stack for the task. */ + bx lr +/*-----------------------------------------------------------*/ + +SVC_Handler: + tst lr, #4 + ite eq + mrseq r0, msp + mrsne r0, psp + b vPortSVCHandler_C +/*-----------------------------------------------------------*/ + +vPortFreeSecureContext: + /* r0 = uint32_t *pulTCB. */ + ldr r1, [r0] /* The first item in the TCB is the top of the stack. */ + ldr r0, [r1] /* The first item on the stack is the task's xSecureContext. */ + cmp r0, #0 /* Raise svc if task's xSecureContext is not NULL. */ + it ne + svcne 1 /* Secure context is freed in the supervisor call. portSVC_FREE_SECURE_CONTEXT = 1. */ + bx lr /* Return. */ +/*-----------------------------------------------------------*/ + + END diff --git a/FreeRTOS/Source/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33_NTZ/portasm.s b/FreeRTOS/Source/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33_NTZ/portasm.s new file mode 100644 index 000000000..090e1660c --- /dev/null +++ b/FreeRTOS/Source/portable/ARMv8M/non_secure/portable/IAR/ARM_CM33_NTZ/portasm.s @@ -0,0 +1,218 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + + EXTERN pxCurrentTCB + EXTERN vTaskSwitchContext + EXTERN vPortSVCHandler_C + + PUBLIC xIsPrivileged + PUBLIC vResetPrivilege + PUBLIC vRestoreContextOfFirstTask + PUBLIC vRaisePrivilege + PUBLIC vStartFirstTask + PUBLIC ulSetInterruptMaskFromISR + PUBLIC vClearInterruptMaskFromISR + PUBLIC PendSV_Handler + PUBLIC SVC_Handler +/*-----------------------------------------------------------*/ + +/*---------------- Unprivileged Functions -------------------*/ + +/*-----------------------------------------------------------*/ + + SECTION .text:CODE:NOROOT(2) + THUMB +/*-----------------------------------------------------------*/ + +xIsPrivileged: + mrs r0, control /* r0 = CONTROL. */ + tst r0, #1 /* Perform r0 & 1 (bitwise AND) and update the conditions flag. */ + ite ne + movne r0, #0 /* CONTROL[0]!=0. Return false to indicate that the processor is not privileged. */ + moveq r0, #1 /* CONTROL[0]==0. Return true to indicate that the processor is not privileged. */ + bx lr /* Return. */ +/*-----------------------------------------------------------*/ + +vResetPrivilege: + mrs r0, control /* r0 = CONTROL. */ + orr r0, r0, #1 /* r0 = r0 | 1. */ + msr control, r0 /* CONTROL = r0. */ + bx lr /* Return to the caller. */ +/*-----------------------------------------------------------*/ + +/*----------------- Privileged Functions --------------------*/ + +/*-----------------------------------------------------------*/ + + SECTION privileged_functions:CODE:NOROOT(2) + THUMB +/*-----------------------------------------------------------*/ + +vRestoreContextOfFirstTask: + ldr r2, =pxCurrentTCB /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + ldr r1, [r2] /* Read pxCurrentTCB. */ + ldr r0, [r1] /* Read top of stack from TCB - The first item in pxCurrentTCB is the task top of stack. */ + +#if ( configENABLE_MPU == 1 ) + adds r1, #4 /* r1 = r1 + 4. r1 now points to MAIR0 in TCB. */ + ldr r3, [r1] /* r3 = *r1 i.e. r3 = MAIR0. */ + ldr r2, =0xe000edc0 /* r2 = 0xe000edc0 [Location of MAIR0]. */ + str r3, [r2] /* Program MAIR0. */ + ldr r2, =0xe000ed98 /* r2 = 0xe000ed98 [Location of RNR]. */ + movs r3, #4 /* r3 = 4. */ + str r3, [r2] /* Program RNR = 4. */ + adds r1, #4 /* r1 = r1 + 4. r1 now points to first RBAR in TCB. */ + ldr r2, =0xe000ed9c /* r2 = 0xe000ed9c [Location of RBAR]. */ + ldmia r1!, {r4-r11} /* Read 4 sets of RBAR/RLAR registers from TCB. */ + stmia r2!, {r4-r11} /* Write 4 set of RBAR/RLAR registers using alias registers. */ +#endif /* configENABLE_MPU */ + +#if ( configENABLE_MPU == 1 ) + ldm r0!, {r1-r3} /* Read from stack - r1 = PSPLIM, r2 = CONTROL and r3 = EXC_RETURN. */ + msr psplim, r1 /* Set this task's PSPLIM value. */ + msr control, r2 /* Set this task's CONTROL value. */ + adds r0, #32 /* Discard everything up to r0. */ + msr psp, r0 /* This is now the new top of stack to use in the task. */ + isb + bx r3 /* Finally, branch to EXC_RETURN. */ +#else /* configENABLE_MPU */ + ldm r0!, {r1-r2} /* Read from stack - r1 = PSPLIM and r2 = EXC_RETURN. */ + msr psplim, r1 /* Set this task's PSPLIM value. */ + movs r1, #2 /* r1 = 2. */ + msr CONTROL, r1 /* Switch to use PSP in the thread mode. */ + adds r0, #32 /* Discard everything up to r0. */ + msr psp, r0 /* This is now the new top of stack to use in the task. */ + isb + bx r2 /* Finally, branch to EXC_RETURN. */ +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +vRaisePrivilege: + mrs r0, control /* Read the CONTROL register. */ + bic r0, r0, #1 /* Clear the bit 0. */ + msr control, r0 /* Write back the new CONTROL value. */ + bx lr /* Return to the caller. */ +/*-----------------------------------------------------------*/ + +vStartFirstTask: + ldr r0, =0xe000ed08 /* Use the NVIC offset register to locate the stack. */ + ldr r0, [r0] /* Read the VTOR register which gives the address of vector table. */ + ldr r0, [r0] /* The first entry in vector table is stack pointer. */ + msr msp, r0 /* Set the MSP back to the start of the stack. */ + cpsie i /* Globally enable interrupts. */ + cpsie f + dsb + isb + svc 2 /* System call to start the first task. portSVC_START_SCHEDULER = 2. */ +/*-----------------------------------------------------------*/ + +ulSetInterruptMaskFromISR: + mrs r0, PRIMASK + cpsid i + bx lr +/*-----------------------------------------------------------*/ + +vClearInterruptMaskFromISR: + msr PRIMASK, r0 + bx lr +/*-----------------------------------------------------------*/ + +PendSV_Handler: + mrs r0, psp /* Read PSP in r0. */ +#if ( configENABLE_FPU == 1 ) + tst lr, #0x10 /* Test Bit[4] in LR. Bit[4] of EXC_RETURN is 0 if the FPU is in use. */ + it eq + vstmdbeq r0!, {s16-s31} /* Store the FPU registers which are not saved automatically. */ +#endif /* configENABLE_FPU */ +#if ( configENABLE_MPU == 1 ) + mrs r1, psplim /* r1 = PSPLIM. */ + mrs r2, control /* r2 = CONTROL. */ + mov r3, lr /* r3 = LR/EXC_RETURN. */ + stmdb r0!, {r1-r11} /* Store on the stack - PSPLIM, CONTROL, LR and registers that are not automatically saved. */ +#else /* configENABLE_MPU */ + mrs r2, psplim /* r2 = PSPLIM. */ + mov r3, lr /* r3 = LR/EXC_RETURN. */ + stmdb r0!, {r2-r11} /* Store on the stack - PSPLIM, LR and registers that are not automatically. */ +#endif /* configENABLE_MPU */ + + ldr r2, =pxCurrentTCB /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + ldr r1, [r2] /* Read pxCurrentTCB. */ + str r0, [r1] /* Save the new top of stack in TCB. */ + + cpsid i + bl vTaskSwitchContext + cpsie i + + ldr r2, =pxCurrentTCB /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + ldr r1, [r2] /* Read pxCurrentTCB. */ + ldr r0, [r1] /* The first item in pxCurrentTCB is the task top of stack. r0 now points to the top of stack. */ + +#if ( configENABLE_MPU == 1 ) + adds r1, #4 /* r1 = r1 + 4. r1 now points to MAIR0 in TCB. */ + ldr r3, [r1] /* r3 = *r1 i.e. r3 = MAIR0. */ + ldr r2, =0xe000edc0 /* r2 = 0xe000edc0 [Location of MAIR0]. */ + str r3, [r2] /* Program MAIR0. */ + ldr r2, =0xe000ed98 /* r2 = 0xe000ed98 [Location of RNR]. */ + movs r3, #4 /* r3 = 4. */ + str r3, [r2] /* Program RNR = 4. */ + adds r1, #4 /* r1 = r1 + 4. r1 now points to first RBAR in TCB. */ + ldr r2, =0xe000ed9c /* r2 = 0xe000ed9c [Location of RBAR]. */ + ldmia r1!, {r4-r11} /* Read 4 sets of RBAR/RLAR registers from TCB. */ + stmia r2!, {r4-r11} /* Write 4 set of RBAR/RLAR registers using alias registers. */ +#endif /* configENABLE_MPU */ + +#if ( configENABLE_MPU == 1 ) + ldmia r0!, {r1-r11} /* Read from stack - r1 = PSPLIM, r2 = CONTROL, r3 = LR and r4-r11 restored. */ +#else /* configENABLE_MPU */ + ldmia r0!, {r2-r11} /* Read from stack - r2 = PSPLIM, r3 = LR and r4-r11 restored. */ +#endif /* configENABLE_MPU */ + +#if ( configENABLE_FPU == 1 ) + tst r3, #0x10 /* Test Bit[4] in LR. Bit[4] of EXC_RETURN is 0 if the FPU is in use. */ + it eq + vldmiaeq r0!, {s16-s31} /* Restore the FPU registers which are not restored automatically. */ +#endif /* configENABLE_FPU */ + + #if ( configENABLE_MPU == 1 ) + msr psplim, r1 /* Restore the PSPLIM register value for the task. */ + msr control, r2 /* Restore the CONTROL register value for the task. */ +#else /* configENABLE_MPU */ + msr psplim, r2 /* Restore the PSPLIM register value for the task. */ +#endif /* configENABLE_MPU */ + msr psp, r0 /* Remember the new top of stack for the task. */ + bx r3 +/*-----------------------------------------------------------*/ + +SVC_Handler: + tst lr, #4 + ite eq + mrseq r0, msp + mrsne r0, psp + b vPortSVCHandler_C +/*-----------------------------------------------------------*/ + + END diff --git a/FreeRTOS/Source/portable/ARMv8M/non_secure/portasm.h b/FreeRTOS/Source/portable/ARMv8M/non_secure/portasm.h new file mode 100644 index 000000000..63ebf136e --- /dev/null +++ b/FreeRTOS/Source/portable/ARMv8M/non_secure/portasm.h @@ -0,0 +1,113 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __PORT_ASM_H__ +#define __PORT_ASM_H__ + +/* Scheduler includes. */ +#include "FreeRTOS.h" + +/* MPU wrappers includes. */ +#include "mpu_wrappers.h" + +/** + * @brief Restore the context of the first task so that the first task starts + * executing. + */ +void vRestoreContextOfFirstTask( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Checks whether or not the processor is privileged. + * + * @return 1 if the processor is already privileged, 0 otherwise. + */ +BaseType_t xIsPrivileged( void ) __attribute__ (( naked )); + +/** + * @brief Raises the privilege level by clearing the bit 0 of the CONTROL + * register. + * + * @note This is a privileged function and should only be called from the kenrel + * code. + * + * Bit 0 of the CONTROL register defines the privilege level of Thread Mode. + * Bit[0] = 0 --> The processor is running privileged + * Bit[0] = 1 --> The processor is running unprivileged. + */ +void vRaisePrivilege( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Lowers the privilege level by setting the bit 0 of the CONTROL + * register. + * + * Bit 0 of the CONTROL register defines the privilege level of Thread Mode. + * Bit[0] = 0 --> The processor is running privileged + * Bit[0] = 1 --> The processor is running unprivileged. + */ +void vResetPrivilege( void ) __attribute__ (( naked )); + +/** + * @brief Starts the first task. + */ +void vStartFirstTask( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Disables interrupts. + */ +uint32_t ulSetInterruptMaskFromISR( void ) __attribute__(( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Enables interrupts. + */ +void vClearInterruptMaskFromISR( uint32_t ulMask ) __attribute__(( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief PendSV Exception handler. + */ +void PendSV_Handler( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief SVC Handler. + */ +void SVC_Handler( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Allocate a Secure context for the calling task. + * + * @param[in] ulSecureStackSize The size of the stack to be allocated on the + * secure side for the calling task. + */ +void vPortAllocateSecureContext( uint32_t ulSecureStackSize ) __attribute__ (( naked )); + +/** + * @brief Free the task's secure context. + * + * @param[in] pulTCB Pointer to the Task Control Block (TCB) of the task. + */ +void vPortFreeSecureContext( uint32_t *pulTCB ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +#endif /* __PORT_ASM_H__ */ diff --git a/FreeRTOS/Source/portable/ARMv8M/non_secure/portmacro.h b/FreeRTOS/Source/portable/ARMv8M/non_secure/portmacro.h new file mode 100644 index 000000000..09d072352 --- /dev/null +++ b/FreeRTOS/Source/portable/ARMv8M/non_secure/portmacro.h @@ -0,0 +1,281 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef PORTMACRO_H +#define PORTMACRO_H + +#ifdef __cplusplus +extern "C" { +#endif + +/*------------------------------------------------------------------------------ + * Port specific definitions. + * + * The settings in this file configure FreeRTOS correctly for the given hardware + * and compiler. + * + * These settings should not be altered. + *------------------------------------------------------------------------------ + */ + +/** + * @brief Type definitions. + */ +#define portCHAR char +#define portFLOAT float +#define portDOUBLE double +#define portLONG long +#define portSHORT short +#define portSTACK_TYPE uint32_t +#define portBASE_TYPE long + +typedef portSTACK_TYPE StackType_t; +typedef long BaseType_t; +typedef unsigned long UBaseType_t; + +#if( configUSE_16_BIT_TICKS == 1 ) + typedef uint16_t TickType_t; + #define portMAX_DELAY ( TickType_t ) 0xffff +#else + typedef uint32_t TickType_t; + #define portMAX_DELAY ( TickType_t ) 0xffffffffUL + + /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do + * not need to be guarded with a critical section. */ + #define portTICK_TYPE_IS_ATOMIC 1 +#endif +/*-----------------------------------------------------------*/ + +/** + * Architecture specifics. + */ +#define portSTACK_GROWTH ( -1 ) +#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) +#define portBYTE_ALIGNMENT 8 +#define portNOP() +#define portINLINE __inline +#ifndef portFORCE_INLINE + #define portFORCE_INLINE inline __attribute__(( always_inline )) +#endif +#define portHAS_STACK_OVERFLOW_CHECKING 1 +/*-----------------------------------------------------------*/ + +/** + * @brief Extern declarations. + */ +extern void vPortYield( void ) /* PRIVILEGED_FUNCTION */; + +extern void vPortEnterCritical( void ) /* PRIVILEGED_FUNCTION */; +extern void vPortExitCritical( void ) /* PRIVILEGED_FUNCTION */; + +extern uint32_t ulSetInterruptMaskFromISR( void ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */; +extern void vClearInterruptMaskFromISR( uint32_t ulMask ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */; + +#if( configENABLE_TRUSTZONE == 1 ) + extern void vPortAllocateSecureContext( uint32_t ulSecureStackSize ); + extern void vPortFreeSecureContext( uint32_t *pulTCB ) /* PRIVILEGED_FUNCTION */; +#endif /* configENABLE_TRUSTZONE */ + +#if( configENABLE_MPU == 1 ) + extern BaseType_t xIsPrivileged( void ) /* __attribute__ (( naked )) */; + extern void vResetPrivilege( void ) /* __attribute__ (( naked )) */; +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +/** + * @brief MPU specific constants. + */ +#if( configENABLE_MPU == 1 ) + #define portUSING_MPU_WRAPPERS 1 + #define portPRIVILEGE_BIT ( 0x80000000UL ) +#else + #define portPRIVILEGE_BIT ( 0x0UL ) +#endif /* configENABLE_MPU */ + + +/* MPU regions. */ +#define portPRIVILEGED_FLASH_REGION ( 0UL ) +#define portUNPRIVILEGED_FLASH_REGION ( 1UL ) +#define portPRIVILEGED_RAM_REGION ( 2UL ) +#define portUNPRIVILEGED_DEVICE_REGION ( 3UL ) +#define portSTACK_REGION ( 4UL ) +#define portFIRST_CONFIGURABLE_REGION ( 5UL ) +#define portLAST_CONFIGURABLE_REGION ( 7UL ) +#define portNUM_CONFIGURABLE_REGIONS ( ( portLAST_CONFIGURABLE_REGION - portFIRST_CONFIGURABLE_REGION ) + 1 ) +#define portTOTAL_NUM_REGIONS ( portNUM_CONFIGURABLE_REGIONS + 1 ) /* Plus one to make space for the stack region. */ + +/* Devices Region. */ +#define portDEVICE_REGION_START_ADDRESS ( 0x50000000 ) +#define portDEVICE_REGION_END_ADDRESS ( 0x5FFFFFFF ) + +/* Device memory attributes used in MPU_MAIR registers. + * + * 8-bit values encoded as follows: + * Bit[7:4] - 0000 - Device Memory + * Bit[3:2] - 00 --> Device-nGnRnE + * 01 --> Device-nGnRE + * 10 --> Device-nGRE + * 11 --> Device-GRE + * Bit[1:0] - 00, Reserved. + */ +#define portMPU_DEVICE_MEMORY_nGnRnE ( 0x00 ) /* 0000 0000 */ +#define portMPU_DEVICE_MEMORY_nGnRE ( 0x04 ) /* 0000 0100 */ +#define portMPU_DEVICE_MEMORY_nGRE ( 0x08 ) /* 0000 1000 */ +#define portMPU_DEVICE_MEMORY_GRE ( 0x0C ) /* 0000 1100 */ + +/* Normal memory attributes used in MPU_MAIR registers. */ +#define portMPU_NORMAL_MEMORY_NON_CACHEABLE ( 0x44 ) /* Non-cacheable. */ +#define portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE ( 0xFF ) /* Non-Transient, Write-back, Read-Allocate and Write-Allocate. */ + +/* Attributes used in MPU_RBAR registers. */ +#define portMPU_REGION_NON_SHAREABLE ( 0UL << 3UL ) +#define portMPU_REGION_INNER_SHAREABLE ( 1UL << 3UL ) +#define portMPU_REGION_OUTER_SHAREABLE ( 2UL << 3UL ) + +#define portMPU_REGION_PRIVILEGED_READ_WRITE ( 0UL << 1UL ) +#define portMPU_REGION_READ_WRITE ( 1UL << 1UL ) +#define portMPU_REGION_PRIVILEGED_READ_ONLY ( 2UL << 1UL ) +#define portMPU_REGION_READ_ONLY ( 3UL << 1UL ) + +#define portMPU_REGION_EXECUTE_NEVER ( 1UL ) +/*-----------------------------------------------------------*/ + +/** + * @brief Settings to define an MPU region. + */ +typedef struct MPURegionSettings +{ + uint32_t ulRBAR; /**< RBAR for the region. */ + uint32_t ulRLAR; /**< RLAR for the region. */ +} MPURegionSettings_t; + +/** + * @brief MPU settings as stored in the TCB. + */ +typedef struct MPU_SETTINGS +{ + uint32_t ulMAIR0; /**< MAIR0 for the task containing attributes for all the 4 per task regions. */ + MPURegionSettings_t xRegionsSettings[ portTOTAL_NUM_REGIONS ]; /**< Settings for 4 per task regions. */ +} xMPU_SETTINGS; +/*-----------------------------------------------------------*/ + +/** + * @brief SVC numbers. + */ +#define portSVC_ALLOCATE_SECURE_CONTEXT 0 +#define portSVC_FREE_SECURE_CONTEXT 1 +#define portSVC_START_SCHEDULER 2 +#define portSVC_RAISE_PRIVILEGE 3 +/*-----------------------------------------------------------*/ + +/** + * @brief Scheduler utilities. + */ +#define portYIELD() vPortYield() +#define portNVIC_INT_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed04 ) ) +#define portNVIC_PENDSVSET_BIT ( 1UL << 28UL ) +#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT +#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x ) +/*-----------------------------------------------------------*/ + +/** + * @brief Critical section management. + */ +#define portSET_INTERRUPT_MASK_FROM_ISR() ulSetInterruptMaskFromISR() +#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vClearInterruptMaskFromISR( x ) +#define portDISABLE_INTERRUPTS() __asm volatile ( " cpsid i " ::: "memory" ) +#define portENABLE_INTERRUPTS() __asm volatile ( " cpsie i " ::: "memory" ) +#define portENTER_CRITICAL() vPortEnterCritical() +#define portEXIT_CRITICAL() vPortExitCritical() +/*-----------------------------------------------------------*/ + +/** + * @brief Task function macros as described on the FreeRTOS.org WEB site. + */ +#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) +#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters ) +/*-----------------------------------------------------------*/ + +#if( configENABLE_TRUSTZONE == 1 ) + /** + * @brief Allocate a secure context for the task. + * + * Tasks are not created with a secure context. Any task that is going to call + * secure functions must call portALLOCATE_SECURE_CONTEXT() to allocate itself a + * secure context before it calls any secure function. + * + * @param[in] ulSecureStackSize The size of the secure stack to be allocated. + */ + #define portALLOCATE_SECURE_CONTEXT( ulSecureStackSize ) vPortAllocateSecureContext( ulSecureStackSize ) + + /** + * @brief Called when a task is deleted to delete the task's secure context, + * if it has one. + * + * @param[in] pxTCB The TCB of the task being deleted. + */ + #define portCLEAN_UP_TCB( pxTCB ) vPortFreeSecureContext( ( uint32_t * ) pxTCB ) +#else + #define portALLOCATE_SECURE_CONTEXT( ulSecureStackSize ) + #define portCLEAN_UP_TCB( pxTCB ) +#endif /* configENABLE_TRUSTZONE */ +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + /** + * @brief Checks whether or not the processor is privileged. + * + * @return 1 if the processor is already privileged, 0 otherwise. + */ + #define portIS_PRIVILEGED() xIsPrivileged() + + /** + * @brief Raise an SVC request to raise privilege. + * + * The SVC handler checks that the SVC was raised from a system call and only + * then it raises the privilege. If this is called from any other place, + * the privilege is not raised. + */ + #define portRAISE_PRIVILEGE() __asm volatile ( "svc %0 \n" :: "i" ( portSVC_RAISE_PRIVILEGE ) : "memory" ); + + /** + * @brief Lowers the privilege level by setting the bit 0 of the CONTROL + * register. + */ + #define portRESET_PRIVILEGE() vResetPrivilege() +#else + #define portIS_PRIVILEGED() + #define portRAISE_PRIVILEGE() + #define portRESET_PRIVILEGE() +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +#ifdef __cplusplus +} +#endif + +#endif /* PORTMACRO_H */ diff --git a/FreeRTOS/Source/portable/ARMv8M/secure/context/portable/GCC/ARM_CM33/secure_context_port.c b/FreeRTOS/Source/portable/ARMv8M/secure/context/portable/GCC/ARM_CM33/secure_context_port.c new file mode 100644 index 000000000..1c5e97ef0 --- /dev/null +++ b/FreeRTOS/Source/portable/ARMv8M/secure/context/portable/GCC/ARM_CM33/secure_context_port.c @@ -0,0 +1,88 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Secure context includes. */ +#include "secure_context.h" + +/* Secure port macros. */ +#include "secure_port_macros.h" + +secureportNON_SECURE_CALLABLE void SecureContext_LoadContext( SecureContextHandle_t xSecureContextHandle ) +{ + /* xSecureContextHandle value is in r0. */ + __asm volatile + ( + " .syntax unified \n" + " \n" + " mrs r1, ipsr \n" /* r1 = IPSR. */ + " cbz r1, load_ctx_therad_mode \n" /* Do nothing if the processor is running in the Thread Mode. */ + " ldmia r0!, {r1, r2} \n" /* r1 = xSecureContextHandle->pucCurrentStackPointer, r2 = xSecureContextHandle->pucStackLimit. */ + #if( configENABLE_MPU == 1 ) + " ldmia r1!, {r3} \n" /* Read CONTROL register value from task's stack. r3 = CONTROL. */ + " msr control, r3 \n" /* CONTROL = r3. */ + #endif /* configENABLE_MPU */ + " msr psplim, r2 \n" /* PSPLIM = r2. */ + " msr psp, r1 \n" /* PSP = r1. */ + " \n" + " load_ctx_therad_mode: \n" + " nop \n" + " \n" + :::"r0", "r1", "r2" + ); +} +/*-----------------------------------------------------------*/ + +secureportNON_SECURE_CALLABLE void SecureContext_SaveContext( SecureContextHandle_t xSecureContextHandle ) +{ + /* xSecureContextHandle value is in r0. */ + __asm volatile + ( + " .syntax unified \n" + " \n" + " mrs r1, ipsr \n" /* r1 = IPSR. */ + " cbz r1, save_ctx_therad_mode \n" /* Do nothing if the processor is running in the Thread Mode. */ + " mrs r1, psp \n" /* r1 = PSP. */ + #if( configENABLE_FPU == 1 ) + " vstmdb r1!, {s0} \n" /* Trigger the defferred stacking of FPU registers. */ + " vldmia r1!, {s0} \n" /* Nullify the effect of the pervious statement. */ + #endif /* configENABLE_FPU */ + #if( configENABLE_MPU == 1 ) + " mrs r2, control \n" /* r2 = CONTROL. */ + " stmdb r1!, {r2} \n" /* Store CONTROL value on the stack. */ + #endif /* configENABLE_MPU */ + " str r1, [r0] \n" /* Save the top of stack in context. xSecureContextHandle->pucCurrentStackPointer = r1. */ + " movs r1, %0 \n" /* r1 = securecontextNO_STACK. */ + " msr psplim, r1 \n" /* PSPLIM = securecontextNO_STACK. */ + " msr psp, r1 \n" /* PSP = securecontextNO_STACK i.e. No stack for thread mode until next task's context is loaded. */ + " \n" + " save_ctx_therad_mode: \n" + " nop \n" + " \n" + :: "i" ( securecontextNO_STACK ) : "r1", "memory" + ); +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port.c b/FreeRTOS/Source/portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port.c new file mode 100644 index 000000000..21a6d50e1 --- /dev/null +++ b/FreeRTOS/Source/portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port.c @@ -0,0 +1,48 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Secure context includes. */ +#include "secure_context.h" + +/* Secure port macros. */ +#include "secure_port_macros.h" + +/* Functions implemented in assembler file. */ +extern void SecureContext_LoadContextAsm( SecureContextHandle_t xSecureContextHandle ); +extern void SecureContext_SaveContextAsm( SecureContextHandle_t xSecureContextHandle ); + +secureportNON_SECURE_CALLABLE void SecureContext_LoadContext( SecureContextHandle_t xSecureContextHandle ) +{ + SecureContext_LoadContextAsm( xSecureContextHandle ); +} +/*-----------------------------------------------------------*/ + +secureportNON_SECURE_CALLABLE void SecureContext_SaveContext( SecureContextHandle_t xSecureContextHandle ) +{ + SecureContext_SaveContextAsm( xSecureContextHandle ); +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port_asm.s b/FreeRTOS/Source/portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port_asm.s new file mode 100644 index 000000000..69ff1a666 --- /dev/null +++ b/FreeRTOS/Source/portable/ARMv8M/secure/context/portable/IAR/ARM_CM33/secure_context_port_asm.s @@ -0,0 +1,73 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + + SECTION .text:CODE:NOROOT(2) + THUMB + + PUBLIC SecureContext_LoadContextAsm + PUBLIC SecureContext_SaveContextAsm +/*-----------------------------------------------------------*/ + +SecureContext_LoadContextAsm: + /* xSecureContextHandle value is in r0. */ + mrs r1, ipsr /* r1 = IPSR. */ + cbz r1, load_ctx_therad_mode /* Do nothing if the processor is running in the Thread Mode. */ + ldmia r0!, {r1, r2} /* r1 = xSecureContextHandle->pucCurrentStackPointer, r2 = xSecureContextHandle->pucStackLimit. */ +#if ( configENABLE_MPU == 1 ) + ldmia r1!, {r3} /* Read CONTROL register value from task's stack. r3 = CONTROL. */ + msr control, r3 /* CONTROL = r3. */ +#endif /* configENABLE_MPU */ + msr psplim, r2 /* PSPLIM = r2. */ + msr psp, r1 /* PSP = r1. */ + + load_ctx_therad_mode: + bx lr +/*-----------------------------------------------------------*/ + +SecureContext_SaveContextAsm: + /* xSecureContextHandle value is in r0. */ + mrs r1, ipsr /* r1 = IPSR. */ + cbz r1, save_ctx_therad_mode /* Do nothing if the processor is running in the Thread Mode. */ + mrs r1, psp /* r1 = PSP. */ +#if ( configENABLE_FPU == 1 ) + vstmdb r1!, {s0} /* Trigger the defferred stacking of FPU registers. */ + vldmia r1!, {s0} /* Nullify the effect of the pervious statement. */ +#endif /* configENABLE_FPU */ +#if ( configENABLE_MPU == 1 ) + mrs r2, control /* r2 = CONTROL. */ + stmdb r1!, {r2} /* Store CONTROL value on the stack. */ +#endif /* configENABLE_MPU */ + str r1, [r0] /* Save the top of stack in context. xSecureContextHandle->pucCurrentStackPointer = r1. */ + movs r1, #0 /* r1 = securecontextNO_STACK. */ + msr psplim, r1 /* PSPLIM = securecontextNO_STACK. */ + msr psp, r1 /* PSP = securecontextNO_STACK i.e. No stack for thread mode until next task's context is loaded. */ + + save_ctx_therad_mode: + bx lr +/*-----------------------------------------------------------*/ + + END diff --git a/FreeRTOS/Source/portable/ARMv8M/secure/context/secure_context.c b/FreeRTOS/Source/portable/ARMv8M/secure/context/secure_context.c new file mode 100644 index 000000000..b1a83160a --- /dev/null +++ b/FreeRTOS/Source/portable/ARMv8M/secure/context/secure_context.c @@ -0,0 +1,204 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Secure context includes. */ +#include "secure_context.h" + +/* Secure heap includes. */ +#include "secure_heap.h" + +/* Secure port macros. */ +#include "secure_port_macros.h" + +/** + * @brief CONTROL value for privileged tasks. + * + * Bit[0] - 0 --> Thread mode is privileged. + * Bit[1] - 1 --> Thread mode uses PSP. + */ +#define securecontextCONTROL_VALUE_PRIVILEGED 0x02 + +/** + * @brief CONTROL value for un-privileged tasks. + * + * Bit[0] - 1 --> Thread mode is un-privileged. + * Bit[1] - 1 --> Thread mode uses PSP. + */ +#define securecontextCONTROL_VALUE_UNPRIVILEGED 0x03 +/*-----------------------------------------------------------*/ + +/** + * @brief Structure to represent secure context. + * + * @note Since stack grows down, pucStackStart is the highest address while + * pucStackLimit is the first addess of the allocated memory. + */ +typedef struct SecureContext +{ + uint8_t *pucCurrentStackPointer; /**< Current value of stack pointer (PSP). */ + uint8_t *pucStackLimit; /**< Last location of the stack memory (PSPLIM). */ + uint8_t *pucStackStart; /**< First location of the stack memory. */ +} SecureContext_t; +/*-----------------------------------------------------------*/ + +secureportNON_SECURE_CALLABLE void SecureContext_Init( void ) +{ + uint32_t ulIPSR; + + /* Read the Interrupt Program Status Register (IPSR) value. */ + secureportREAD_IPSR( ulIPSR ); + + /* Do nothing if the processor is running in the Thread Mode. IPSR is zero + * when the processor is running in the Thread Mode. */ + if( ulIPSR != 0 ) + { + /* No stack for thread mode until a task's context is loaded. */ + secureportSET_PSPLIM( securecontextNO_STACK ); + secureportSET_PSP( securecontextNO_STACK ); + + #if( configENABLE_MPU == 1 ) + { + /* Configure thread mode to use PSP and to be unprivileged. */ + secureportSET_CONTROL( securecontextCONTROL_VALUE_UNPRIVILEGED ); + } + #else /* configENABLE_MPU */ + { + /* Configure thread mode to use PSP and to be privileged.. */ + secureportSET_CONTROL( securecontextCONTROL_VALUE_PRIVILEGED ); + } + #endif /* configENABLE_MPU */ + } +} +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + secureportNON_SECURE_CALLABLE SecureContextHandle_t SecureContext_AllocateContext( uint32_t ulSecureStackSize, uint32_t ulIsTaskPrivileged ) +#else /* configENABLE_MPU */ + secureportNON_SECURE_CALLABLE SecureContextHandle_t SecureContext_AllocateContext( uint32_t ulSecureStackSize ) +#endif /* configENABLE_MPU */ +{ + uint8_t *pucStackMemory = NULL; + uint32_t ulIPSR; + SecureContextHandle_t xSecureContextHandle = NULL; + #if( configENABLE_MPU == 1 ) + uint32_t *pulCurrentStackPointer = NULL; + #endif /* configENABLE_MPU */ + + /* Read the Interrupt Program Status Register (IPSR) value. */ + secureportREAD_IPSR( ulIPSR ); + + /* Do nothing if the processor is running in the Thread Mode. IPSR is zero + * when the processor is running in the Thread Mode. */ + if( ulIPSR != 0 ) + { + /* Allocate the context structure. */ + xSecureContextHandle = ( SecureContextHandle_t ) pvPortMalloc( sizeof( SecureContext_t ) ); + + if( xSecureContextHandle != NULL ) + { + /* Allocate the stack space. */ + pucStackMemory = pvPortMalloc( ulSecureStackSize ); + + if( pucStackMemory != NULL ) + { + /* Since stack grows down, the starting point will be the last + * location. Note that this location is next to the last + * allocated byte because the hardware decrements the stack + * pointer before writing i.e. if stack pointer is 0x2, a push + * operation will decrement the stack pointer to 0x1 and then + * write at 0x1. */ + xSecureContextHandle->pucStackStart = pucStackMemory + ulSecureStackSize; + + /* The stack cannot go beyond this location. This value is + * programmed in the PSPLIM register on context switch.*/ + xSecureContextHandle->pucStackLimit = pucStackMemory; + + #if( configENABLE_MPU == 1 ) + { + /* Store the correct CONTROL value for the task on the stack. + * This value is programmed in the CONTROL register on + * context switch. */ + pulCurrentStackPointer = ( uint32_t * ) xSecureContextHandle->pucStackStart; + pulCurrentStackPointer--; + if( ulIsTaskPrivileged ) + { + *( pulCurrentStackPointer ) = securecontextCONTROL_VALUE_PRIVILEGED; + } + else + { + *( pulCurrentStackPointer ) = securecontextCONTROL_VALUE_UNPRIVILEGED; + } + + /* Store the current stack pointer. This value is programmed in + * the PSP register on context switch. */ + xSecureContextHandle->pucCurrentStackPointer = ( uint8_t * ) pulCurrentStackPointer; + } + #else /* configENABLE_MPU */ + { + /* Current SP is set to the starting of the stack. This + * value programmed in the PSP register on context switch. */ + xSecureContextHandle->pucCurrentStackPointer = xSecureContextHandle->pucStackStart; + + } + #endif /* configENABLE_MPU */ + } + else + { + /* Free the context to avoid memory leak and make sure to return + * NULL to indicate failure. */ + vPortFree( xSecureContextHandle ); + xSecureContextHandle = NULL; + } + } + } + + return xSecureContextHandle; +} +/*-----------------------------------------------------------*/ + +secureportNON_SECURE_CALLABLE void SecureContext_FreeContext( SecureContextHandle_t xSecureContextHandle ) +{ + uint32_t ulIPSR; + + /* Read the Interrupt Program Status Register (IPSR) value. */ + secureportREAD_IPSR( ulIPSR ); + + /* Do nothing if the processor is running in the Thread Mode. IPSR is zero + * when the processor is running in the Thread Mode. */ + if( ulIPSR != 0 ) + { + /* Ensure that valid parameters are passed. */ + secureportASSERT( xSecureContextHandle != NULL ); + + /* Free the stack space. */ + vPortFree( xSecureContextHandle->pucStackLimit ); + + /* Free the context itself. */ + vPortFree( xSecureContextHandle ); + } +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/ARMv8M/secure/context/secure_context.h b/FreeRTOS/Source/portable/ARMv8M/secure/context/secure_context.h new file mode 100644 index 000000000..faac2a3ea --- /dev/null +++ b/FreeRTOS/Source/portable/ARMv8M/secure/context/secure_context.h @@ -0,0 +1,111 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __SECURE_CONTEXT_H__ +#define __SECURE_CONTEXT_H__ + +/* Standard includes. */ +#include + +/* FreeRTOS includes. */ +#include "FreeRTOSConfig.h" + +/** + * @brief PSP value when no task's context is loaded. + */ +#define securecontextNO_STACK 0x0 + +/** + * @brief Opaque handle. + */ +struct SecureContext; +typedef struct SecureContext* SecureContextHandle_t; +/*-----------------------------------------------------------*/ + +/** + * @brief Initializes the secure context management system. + * + * PSP is set to NULL and therefore a task must allocate and load a context + * before calling any secure side function in the thread mode. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + */ +void SecureContext_Init( void ); + +/** + * @brief Allocates a context on the secure side. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + * + * @param[in] ulSecureStackSize Size of the stack to allocate on secure side. + * @param[in] ulIsTaskPrivileged 1 if the calling task is privileged, 0 otherwise. + * + * @return Opaque context handle if context is successfully allocated, NULL + * otherwise. + */ +#if( configENABLE_MPU == 1 ) + SecureContextHandle_t SecureContext_AllocateContext( uint32_t ulSecureStackSize, uint32_t ulIsTaskPrivileged ); +#else /* configENABLE_MPU */ + SecureContextHandle_t SecureContext_AllocateContext( uint32_t ulSecureStackSize ); +#endif /* configENABLE_MPU */ + +/** + * @brief Frees the given context. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + * + * @param[in] xSecureContextHandle Context handle corresponding to the + * context to be freed. + */ +void SecureContext_FreeContext( SecureContextHandle_t xSecureContextHandle ); + +/** + * @brief Loads the given context. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + * + * @param[in] xSecureContextHandle Context handle corresponding to the context + * to be loaded. + */ +void SecureContext_LoadContext( SecureContextHandle_t xSecureContextHandle ); + +/** + * @brief Saves the given context. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + * + * @param[in] xSecureContextHandle Context handle corresponding to the context + * to be saved. + */ +void SecureContext_SaveContext( SecureContextHandle_t xSecureContextHandle ); + +#endif /* __SECURE_CONTEXT_H__ */ diff --git a/FreeRTOS/Source/portable/ARMv8M/secure/heap/secure_heap.c b/FreeRTOS/Source/portable/ARMv8M/secure/heap/secure_heap.c new file mode 100644 index 000000000..127860d97 --- /dev/null +++ b/FreeRTOS/Source/portable/ARMv8M/secure/heap/secure_heap.c @@ -0,0 +1,450 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Standard includes. */ +#include + +/* Secure context heap includes. */ +#include "secure_heap.h" + +/* Secure port macros. */ +#include "secure_port_macros.h" + +/** + * @brief Total heap size. + */ +#define secureconfigTOTAL_HEAP_SIZE ( ( ( size_t ) ( 10 * 1024 ) ) ) + +/* No test marker by default. */ +#ifndef mtCOVERAGE_TEST_MARKER + #define mtCOVERAGE_TEST_MARKER() +#endif + +/* No tracing by default. */ +#ifndef traceMALLOC + #define traceMALLOC( pvReturn, xWantedSize ) +#endif + +/* No tracing by default. */ +#ifndef traceFREE + #define traceFREE( pv, xBlockSize ) +#endif + +/* Block sizes must not get too small. */ +#define secureheapMINIMUM_BLOCK_SIZE ( ( size_t ) ( xHeapStructSize << 1 ) ) + +/* Assumes 8bit bytes! */ +#define secureheapBITS_PER_BYTE ( ( size_t ) 8 ) +/*-----------------------------------------------------------*/ + +/* Allocate the memory for the heap. */ +#if( configAPPLICATION_ALLOCATED_HEAP == 1 ) + /* The application writer has already defined the array used for the RTOS + * heap - probably so it can be placed in a special segment or address. */ + extern uint8_t ucHeap[ secureconfigTOTAL_HEAP_SIZE ]; +#else /* configAPPLICATION_ALLOCATED_HEAP */ + static uint8_t ucHeap[ secureconfigTOTAL_HEAP_SIZE ]; +#endif /* configAPPLICATION_ALLOCATED_HEAP */ + +/** + * @brief The linked list structure. + * + * This is used to link free blocks in order of their memory address. + */ +typedef struct A_BLOCK_LINK +{ + struct A_BLOCK_LINK *pxNextFreeBlock; /**< The next free block in the list. */ + size_t xBlockSize; /**< The size of the free block. */ +} BlockLink_t; +/*-----------------------------------------------------------*/ + +/** + * @brief Called automatically to setup the required heap structures the first + * time pvPortMalloc() is called. + */ +static void prvHeapInit( void ); + +/** + * @brief Inserts a block of memory that is being freed into the correct + * position in the list of free memory blocks. + * + * The block being freed will be merged with the block in front it and/or the + * block behind it if the memory blocks are adjacent to each other. + * + * @param[in] pxBlockToInsert The block being freed. + */ +static void prvInsertBlockIntoFreeList( BlockLink_t *pxBlockToInsert ); +/*-----------------------------------------------------------*/ + +/** + * @brief The size of the structure placed at the beginning of each allocated + * memory block must by correctly byte aligned. + */ +static const size_t xHeapStructSize = ( sizeof( BlockLink_t ) + ( ( size_t ) ( secureportBYTE_ALIGNMENT - 1 ) ) ) & ~( ( size_t ) secureportBYTE_ALIGNMENT_MASK ); + +/** + * @brief Create a couple of list links to mark the start and end of the list. + */ +static BlockLink_t xStart, *pxEnd = NULL; + +/** + * @brief Keeps track of the number of free bytes remaining, but says nothing + * about fragmentation. + */ +static size_t xFreeBytesRemaining = 0U; +static size_t xMinimumEverFreeBytesRemaining = 0U; + +/** + * @brief Gets set to the top bit of an size_t type. + * + * When this bit in the xBlockSize member of an BlockLink_t structure is set + * then the block belongs to the application. When the bit is free the block is + * still part of the free heap space. + */ +static size_t xBlockAllocatedBit = 0; +/*-----------------------------------------------------------*/ + +static void prvHeapInit( void ) +{ +BlockLink_t *pxFirstFreeBlock; +uint8_t *pucAlignedHeap; +size_t uxAddress; +size_t xTotalHeapSize = secureconfigTOTAL_HEAP_SIZE; + + /* Ensure the heap starts on a correctly aligned boundary. */ + uxAddress = ( size_t ) ucHeap; + + if( ( uxAddress & secureportBYTE_ALIGNMENT_MASK ) != 0 ) + { + uxAddress += ( secureportBYTE_ALIGNMENT - 1 ); + uxAddress &= ~( ( size_t ) secureportBYTE_ALIGNMENT_MASK ); + xTotalHeapSize -= uxAddress - ( size_t ) ucHeap; + } + + pucAlignedHeap = ( uint8_t * ) uxAddress; + + /* xStart is used to hold a pointer to the first item in the list of free + * blocks. The void cast is used to prevent compiler warnings. */ + xStart.pxNextFreeBlock = ( void * ) pucAlignedHeap; + xStart.xBlockSize = ( size_t ) 0; + + /* pxEnd is used to mark the end of the list of free blocks and is inserted + * at the end of the heap space. */ + uxAddress = ( ( size_t ) pucAlignedHeap ) + xTotalHeapSize; + uxAddress -= xHeapStructSize; + uxAddress &= ~( ( size_t ) secureportBYTE_ALIGNMENT_MASK ); + pxEnd = ( void * ) uxAddress; + pxEnd->xBlockSize = 0; + pxEnd->pxNextFreeBlock = NULL; + + /* To start with there is a single free block that is sized to take up the + * entire heap space, minus the space taken by pxEnd. */ + pxFirstFreeBlock = ( void * ) pucAlignedHeap; + pxFirstFreeBlock->xBlockSize = uxAddress - ( size_t ) pxFirstFreeBlock; + pxFirstFreeBlock->pxNextFreeBlock = pxEnd; + + /* Only one block exists - and it covers the entire usable heap space. */ + xMinimumEverFreeBytesRemaining = pxFirstFreeBlock->xBlockSize; + xFreeBytesRemaining = pxFirstFreeBlock->xBlockSize; + + /* Work out the position of the top bit in a size_t variable. */ + xBlockAllocatedBit = ( ( size_t ) 1 ) << ( ( sizeof( size_t ) * secureheapBITS_PER_BYTE ) - 1 ); +} +/*-----------------------------------------------------------*/ + +static void prvInsertBlockIntoFreeList( BlockLink_t *pxBlockToInsert ) +{ +BlockLink_t *pxIterator; +uint8_t *puc; + + /* Iterate through the list until a block is found that has a higher address + * than the block being inserted. */ + for( pxIterator = &xStart; pxIterator->pxNextFreeBlock < pxBlockToInsert; pxIterator = pxIterator->pxNextFreeBlock ) + { + /* Nothing to do here, just iterate to the right position. */ + } + + /* Do the block being inserted, and the block it is being inserted after + * make a contiguous block of memory? */ + puc = ( uint8_t * ) pxIterator; + if( ( puc + pxIterator->xBlockSize ) == ( uint8_t * ) pxBlockToInsert ) + { + pxIterator->xBlockSize += pxBlockToInsert->xBlockSize; + pxBlockToInsert = pxIterator; + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + + /* Do the block being inserted, and the block it is being inserted before + * make a contiguous block of memory? */ + puc = ( uint8_t * ) pxBlockToInsert; + if( ( puc + pxBlockToInsert->xBlockSize ) == ( uint8_t * ) pxIterator->pxNextFreeBlock ) + { + if( pxIterator->pxNextFreeBlock != pxEnd ) + { + /* Form one big block from the two blocks. */ + pxBlockToInsert->xBlockSize += pxIterator->pxNextFreeBlock->xBlockSize; + pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock->pxNextFreeBlock; + } + else + { + pxBlockToInsert->pxNextFreeBlock = pxEnd; + } + } + else + { + pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock; + } + + /* If the block being inserted plugged a gab, so was merged with the block + * before and the block after, then it's pxNextFreeBlock pointer will have + * already been set, and should not be set here as that would make it point + * to itself. */ + if( pxIterator != pxBlockToInsert ) + { + pxIterator->pxNextFreeBlock = pxBlockToInsert; + } + else + { + mtCOVERAGE_TEST_MARKER(); + } +} +/*-----------------------------------------------------------*/ + +void *pvPortMalloc( size_t xWantedSize ) +{ +BlockLink_t *pxBlock, *pxPreviousBlock, *pxNewBlockLink; +void *pvReturn = NULL; + + /* If this is the first call to malloc then the heap will require + * initialisation to setup the list of free blocks. */ + if( pxEnd == NULL ) + { + prvHeapInit(); + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + + /* Check the requested block size is not so large that the top bit is set. + * The top bit of the block size member of the BlockLink_t structure is used + * to determine who owns the block - the application or the kernel, so it + * must be free. */ + if( ( xWantedSize & xBlockAllocatedBit ) == 0 ) + { + /* The wanted size is increased so it can contain a BlockLink_t + * structure in addition to the requested amount of bytes. */ + if( xWantedSize > 0 ) + { + xWantedSize += xHeapStructSize; + + /* Ensure that blocks are always aligned to the required number of + * bytes. */ + if( ( xWantedSize & secureportBYTE_ALIGNMENT_MASK ) != 0x00 ) + { + /* Byte alignment required. */ + xWantedSize += ( secureportBYTE_ALIGNMENT - ( xWantedSize & secureportBYTE_ALIGNMENT_MASK ) ); + secureportASSERT( ( xWantedSize & secureportBYTE_ALIGNMENT_MASK ) == 0 ); + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + + if( ( xWantedSize > 0 ) && ( xWantedSize <= xFreeBytesRemaining ) ) + { + /* Traverse the list from the start (lowest address) block until + * one of adequate size is found. */ + pxPreviousBlock = &xStart; + pxBlock = xStart.pxNextFreeBlock; + while( ( pxBlock->xBlockSize < xWantedSize ) && ( pxBlock->pxNextFreeBlock != NULL ) ) + { + pxPreviousBlock = pxBlock; + pxBlock = pxBlock->pxNextFreeBlock; + } + + /* If the end marker was reached then a block of adequate size was + * not found. */ + if( pxBlock != pxEnd ) + { + /* Return the memory space pointed to - jumping over the + * BlockLink_t structure at its start. */ + pvReturn = ( void * ) ( ( ( uint8_t * ) pxPreviousBlock->pxNextFreeBlock ) + xHeapStructSize ); + + /* This block is being returned for use so must be taken out + * of the list of free blocks. */ + pxPreviousBlock->pxNextFreeBlock = pxBlock->pxNextFreeBlock; + + /* If the block is larger than required it can be split into + * two. */ + if( ( pxBlock->xBlockSize - xWantedSize ) > secureheapMINIMUM_BLOCK_SIZE ) + { + /* This block is to be split into two. Create a new + * block following the number of bytes requested. The void + * cast is used to prevent byte alignment warnings from the + * compiler. */ + pxNewBlockLink = ( void * ) ( ( ( uint8_t * ) pxBlock ) + xWantedSize ); + secureportASSERT( ( ( ( size_t ) pxNewBlockLink ) & secureportBYTE_ALIGNMENT_MASK ) == 0 ); + + /* Calculate the sizes of two blocks split from the single + * block. */ + pxNewBlockLink->xBlockSize = pxBlock->xBlockSize - xWantedSize; + pxBlock->xBlockSize = xWantedSize; + + /* Insert the new block into the list of free blocks. */ + prvInsertBlockIntoFreeList( pxNewBlockLink ); + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + + xFreeBytesRemaining -= pxBlock->xBlockSize; + + if( xFreeBytesRemaining < xMinimumEverFreeBytesRemaining ) + { + xMinimumEverFreeBytesRemaining = xFreeBytesRemaining; + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + + /* The block is being returned - it is allocated and owned by + * the application and has no "next" block. */ + pxBlock->xBlockSize |= xBlockAllocatedBit; + pxBlock->pxNextFreeBlock = NULL; + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + + traceMALLOC( pvReturn, xWantedSize ); + + #if( secureconfigUSE_MALLOC_FAILED_HOOK == 1 ) + { + if( pvReturn == NULL ) + { + extern void vApplicationMallocFailedHook( void ); + vApplicationMallocFailedHook(); + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + } + #endif + + secureportASSERT( ( ( ( size_t ) pvReturn ) & ( size_t ) secureportBYTE_ALIGNMENT_MASK ) == 0 ); + return pvReturn; +} +/*-----------------------------------------------------------*/ + +void vPortFree( void *pv ) +{ +uint8_t *puc = ( uint8_t * ) pv; +BlockLink_t *pxLink; + + if( pv != NULL ) + { + /* The memory being freed will have an BlockLink_t structure immediately + * before it. */ + puc -= xHeapStructSize; + + /* This casting is to keep the compiler from issuing warnings. */ + pxLink = ( void * ) puc; + + /* Check the block is actually allocated. */ + secureportASSERT( ( pxLink->xBlockSize & xBlockAllocatedBit ) != 0 ); + secureportASSERT( pxLink->pxNextFreeBlock == NULL ); + + if( ( pxLink->xBlockSize & xBlockAllocatedBit ) != 0 ) + { + if( pxLink->pxNextFreeBlock == NULL ) + { + /* The block is being returned to the heap - it is no longer + * allocated. */ + pxLink->xBlockSize &= ~xBlockAllocatedBit; + + secureportDISABLE_NON_SECURE_INTERRUPTS(); + { + /* Add this block to the list of free blocks. */ + xFreeBytesRemaining += pxLink->xBlockSize; + traceFREE( pv, pxLink->xBlockSize ); + prvInsertBlockIntoFreeList( ( ( BlockLink_t * ) pxLink ) ); + } + secureportENABLE_NON_SECURE_INTERRUPTS(); + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + } +} +/*-----------------------------------------------------------*/ + +size_t xPortGetFreeHeapSize( void ) +{ + return xFreeBytesRemaining; +} +/*-----------------------------------------------------------*/ + +size_t xPortGetMinimumEverFreeHeapSize( void ) +{ + return xMinimumEverFreeBytesRemaining; +} +/*-----------------------------------------------------------*/ + +void vPortInitialiseBlocks( void ) +{ + /* This just exists to keep the linker quiet. */ +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/ARMv8M/secure/heap/secure_heap.h b/FreeRTOS/Source/portable/ARMv8M/secure/heap/secure_heap.h new file mode 100644 index 000000000..d185aaad8 --- /dev/null +++ b/FreeRTOS/Source/portable/ARMv8M/secure/heap/secure_heap.h @@ -0,0 +1,51 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __SECURE_HEAP_H__ +#define __SECURE_HEAP_H__ + +/* Standard includes. */ +#include + +/** + * @brief Allocates memory from heap. + * + * @param[in] xWantedSize The size of the memory to be allocated. + * + * @return Pointer to the memory region if the allocation is successful, NULL + * otherwise. + */ +void *pvPortMalloc( size_t xWantedSize ); + +/** + * @brief Frees the previously allocated memory. + * + * @param[in] pv Pointer to the memory to be freed. + */ +void vPortFree( void *pv ); + +#endif /* __SECURE_HEAP_H__ */ diff --git a/FreeRTOS/Source/portable/ARMv8M/secure/init/secure_init.c b/FreeRTOS/Source/portable/ARMv8M/secure/init/secure_init.c new file mode 100644 index 000000000..56d91116c --- /dev/null +++ b/FreeRTOS/Source/portable/ARMv8M/secure/init/secure_init.c @@ -0,0 +1,105 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Standard includes. */ +#include + +/* Secure init includes. */ +#include "secure_init.h" + +/* Secure port macros. */ +#include "secure_port_macros.h" + +/** + * @brief Constants required to manipulate the SCB. + */ +#define secureinitSCB_AIRCR ( ( volatile uint32_t * ) 0xe000ed0c ) /* Application Interrupt and Reset Control Register. */ +#define secureinitSCB_AIRCR_VECTKEY_POS ( 16UL ) +#define secureinitSCB_AIRCR_VECTKEY_MASK ( 0xFFFFUL << secureinitSCB_AIRCR_VECTKEY_POS ) +#define secureinitSCB_AIRCR_PRIS_POS ( 14UL ) +#define secureinitSCB_AIRCR_PRIS_MASK ( 1UL << secureinitSCB_AIRCR_PRIS_POS ) + +/** + * @brief Constants required to manipulate the FPU. + */ +#define secureinitFPCCR ( ( volatile uint32_t * ) 0xe000ef34 ) /* Floating Point Context Control Register. */ +#define secureinitFPCCR_LSPENS_POS ( 29UL ) +#define secureinitFPCCR_LSPENS_MASK ( 1UL << secureinitFPCCR_LSPENS_POS ) +#define secureinitFPCCR_TS_POS ( 26UL ) +#define secureinitFPCCR_TS_MASK ( 1UL << secureinitFPCCR_TS_POS ) + +#define secureinitNSACR ( ( volatile uint32_t * ) 0xe000ed8c ) /* Non-secure Access Control Register. */ +#define secureinitNSACR_CP10_POS ( 10UL ) +#define secureinitNSACR_CP10_MASK ( 1UL << secureinitNSACR_CP10_POS ) +#define secureinitNSACR_CP11_POS ( 11UL ) +#define secureinitNSACR_CP11_MASK ( 1UL << secureinitNSACR_CP11_POS ) +/*-----------------------------------------------------------*/ + +secureportNON_SECURE_CALLABLE void SecureInit_DePrioritizeNSExceptions( void ) +{ + uint32_t ulIPSR; + + /* Read the Interrupt Program Status Register (IPSR) value. */ + secureportREAD_IPSR( ulIPSR ); + + /* Do nothing if the processor is running in the Thread Mode. IPSR is zero + * when the processor is running in the Thread Mode. */ + if( ulIPSR != 0 ) + { + *( secureinitSCB_AIRCR ) = ( *( secureinitSCB_AIRCR ) & ~( secureinitSCB_AIRCR_VECTKEY_MASK | secureinitSCB_AIRCR_PRIS_MASK ) ) | + ( ( 0x05FAUL << secureinitSCB_AIRCR_VECTKEY_POS ) & secureinitSCB_AIRCR_VECTKEY_MASK ) | + ( ( 0x1UL << secureinitSCB_AIRCR_PRIS_POS ) & secureinitSCB_AIRCR_PRIS_MASK ); + } +} +/*-----------------------------------------------------------*/ + +secureportNON_SECURE_CALLABLE void SecureInit_EnableNSFPUAccess( void ) +{ + uint32_t ulIPSR; + + /* Read the Interrupt Program Status Register (IPSR) value. */ + secureportREAD_IPSR( ulIPSR ); + + /* Do nothing if the processor is running in the Thread Mode. IPSR is zero + * when the processor is running in the Thread Mode. */ + if( ulIPSR != 0 ) + { + /* CP10 = 1 ==> Non-secure access to the Floating Point Unit is + * permitted. CP11 should be programmed to the same value as CP10. */ + *( secureinitNSACR ) |= ( secureinitNSACR_CP10_MASK | secureinitNSACR_CP11_MASK ); + + /* LSPENS = 0 ==> LSPEN is writable fron non-secure state. This ensures + * that we can enable/disable lazy stacking in port.c file. */ + *( secureinitFPCCR ) &= ~ ( secureinitFPCCR_LSPENS_MASK ); + + /* TS = 1 ==> Treat FP registers as secure i.e. callee saved FP + * registers (S16-S31) are also pushed to stack on exception entry and + * restored on exception return. */ + *( secureinitFPCCR ) |= ( secureinitFPCCR_TS_MASK ); + } +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/ARMv8M/secure/init/secure_init.h b/FreeRTOS/Source/portable/ARMv8M/secure/init/secure_init.h new file mode 100644 index 000000000..2660c2c1f --- /dev/null +++ b/FreeRTOS/Source/portable/ARMv8M/secure/init/secure_init.h @@ -0,0 +1,53 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __SECURE_INIT_H__ +#define __SECURE_INIT_H__ + +/** + * @brief De-prioritizes the non-secure exceptions. + * + * This is needed to ensure that the non-secure PendSV runs at the lowest + * priority. Context switch is done in the non-secure PendSV handler. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + */ +void SecureInit_DePrioritizeNSExceptions( void ); + +/** + * @brief Sets up the Floating Point Unit (FPU) for Non-Secure access. + * + * Also sets FPCCR.TS=1 to ensure that the content of the Floating Point + * Registers are not leaked to the non-secure side. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + */ +void SecureInit_EnableNSFPUAccess( void ); + +#endif /* __SECURE_INIT_H__ */ diff --git a/FreeRTOS/Source/portable/ARMv8M/secure/macros/secure_port_macros.h b/FreeRTOS/Source/portable/ARMv8M/secure/macros/secure_port_macros.h new file mode 100644 index 000000000..aa279925d --- /dev/null +++ b/FreeRTOS/Source/portable/ARMv8M/secure/macros/secure_port_macros.h @@ -0,0 +1,133 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __SECURE_PORT_MACROS_H__ +#define __SECURE_PORT_MACROS_H__ + +/** + * @brief Byte alignment requirements. + */ +#define secureportBYTE_ALIGNMENT 8 +#define secureportBYTE_ALIGNMENT_MASK ( 0x0007 ) + +/** + * @brief Macro to declare a function as non-secure callable. + */ +#if defined( __IAR_SYSTEMS_ICC__ ) + #define secureportNON_SECURE_CALLABLE __cmse_nonsecure_entry +#else + #define secureportNON_SECURE_CALLABLE __attribute__((cmse_nonsecure_entry)) +#endif + +/** + * @brief Set the secure PRIMASK value. + */ +#define secureportSET_SECURE_PRIMASK( ulPrimaskValue ) \ + __asm volatile ( "msr primask, %0" : : "r" ( ulPrimaskValue ) : "memory" ) + +/** + * @brief Set the non-secure PRIMASK value. + */ +#define secureportSET_NON_SECURE_PRIMASK( ulPrimaskValue ) \ + __asm volatile ( "msr primask_ns, %0" : : "r" ( ulPrimaskValue ) : "memory" ) + +/** + * @brief Read the PSP value in the given variable. + */ +#define secureportREAD_PSP( pucOutCurrentStackPointer ) \ + __asm volatile ( "mrs %0, psp" : "=r" ( pucOutCurrentStackPointer ) ) + +/** + * @brief Set the PSP to the given value. + */ +#define secureportSET_PSP( pucCurrentStackPointer ) \ + __asm volatile ( "msr psp, %0" : : "r" ( pucCurrentStackPointer ) ) + +/** + * @brief Set the PSPLIM to the given value. + */ +#define secureportSET_PSPLIM( pucStackLimit ) \ + __asm volatile ( "msr psplim, %0" : : "r" ( pucStackLimit ) ) + +/** + * @brief Set the NonSecure MSP to the given value. + */ +#define secureportSET_MSP_NS( pucMainStackPointer ) \ + __asm volatile ( "msr msp_ns, %0" : : "r" ( pucMainStackPointer ) ) + +/** + * @brief Set the CONTROL register to the given value. + */ +#define secureportSET_CONTROL( ulControl ) \ + __asm volatile ( "msr control, %0" : : "r" ( ulControl ) : "memory" ) + +/** + * @brief Read the Interrupt Program Status Register (IPSR) value in the given + * variable. + */ +#define secureportREAD_IPSR( ulIPSR ) \ + __asm volatile ( "mrs %0, ipsr" : "=r" ( ulIPSR ) ) + +/** + * @brief PRIMASK value to enable interrupts. + */ +#define secureportPRIMASK_ENABLE_INTERRUPTS_VAL 0 + +/** + * @brief PRIMASK value to disable interrupts. + */ +#define secureportPRIMASK_DISABLE_INTERRUPTS_VAL 1 + +/** + * @brief Disable secure interrupts. + */ +#define secureportDISABLE_SECURE_INTERRUPTS() secureportSET_SECURE_PRIMASK( secureportPRIMASK_DISABLE_INTERRUPTS_VAL ) + +/** + * @brief Disable non-secure interrupts. + * + * This effectively disables context switches. + */ +#define secureportDISABLE_NON_SECURE_INTERRUPTS() secureportSET_NON_SECURE_PRIMASK( secureportPRIMASK_DISABLE_INTERRUPTS_VAL ) + +/** + * @brief Enable non-secure interrupts. + */ +#define secureportENABLE_NON_SECURE_INTERRUPTS() secureportSET_NON_SECURE_PRIMASK( secureportPRIMASK_ENABLE_INTERRUPTS_VAL ) + +/** + * @brief Assert definition. + */ +#define secureportASSERT( x ) \ + if( ( x ) == 0 ) \ + { \ + secureportDISABLE_SECURE_INTERRUPTS(); \ + secureportDISABLE_NON_SECURE_INTERRUPTS(); \ + for( ;; ); \ + } + +#endif /* __SECURE_PORT_MACROS_H__ */ diff --git a/FreeRTOS/Source/portable/Common/mpu_wrappers.c b/FreeRTOS/Source/portable/Common/mpu_wrappers.c index 45c91c175..3cf3bcd96 100644 --- a/FreeRTOS/Source/portable/Common/mpu_wrappers.c +++ b/FreeRTOS/Source/portable/Common/mpu_wrappers.c @@ -46,17 +46,48 @@ task.h is included from an application file. */ #undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE -/* - * Checks to see if being called from the context of an unprivileged task, and - * if so raises the privilege level and returns false - otherwise does nothing - * other than return true. +/** + * @brief Calls the port specific code to raise the privilege. + * + * @return pdFALSE if privilege was raised, pdTRUE otherwise. */ -extern BaseType_t xPortRaisePrivilege( void ); +BaseType_t xPortRaisePrivilege( void ) FREERTOS_SYSTEM_CALL; +/** + * @brief If xRunningPrivileged is not pdTRUE, calls the port specific + * code to reset the privilege, otherwise does nothing. + */ +void vPortResetPrivilege( BaseType_t xRunningPrivileged ); +/*-----------------------------------------------------------*/ + +BaseType_t xPortRaisePrivilege( void ) /* FREERTOS_SYSTEM_CALL */ +{ +BaseType_t xRunningPrivileged; + + /* Check whether the processor is already privileged. */ + xRunningPrivileged = portIS_PRIVILEGED(); + + /* If the processor is not already privileged, raise privilege. */ + if( xRunningPrivileged != pdTRUE ) + { + portRAISE_PRIVILEGE(); + } + + return xRunningPrivileged; +} +/*-----------------------------------------------------------*/ + +void vPortResetPrivilege( BaseType_t xRunningPrivileged ) +{ + if( xRunningPrivileged != pdTRUE ) + { + portRESET_PRIVILEGE(); + } +} /*-----------------------------------------------------------*/ #if( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) - BaseType_t MPU_xTaskCreateRestricted( const TaskParameters_t * const pxTaskDefinition, TaskHandle_t *pxCreatedTask ) + BaseType_t MPU_xTaskCreateRestricted( const TaskParameters_t * const pxTaskDefinition, TaskHandle_t *pxCreatedTask ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -69,7 +100,7 @@ extern BaseType_t xPortRaisePrivilege( void ); /*-----------------------------------------------------------*/ #if( configSUPPORT_STATIC_ALLOCATION == 1 ) - BaseType_t MPU_xTaskCreateRestrictedStatic( const TaskParameters_t * const pxTaskDefinition, TaskHandle_t *pxCreatedTask ) + BaseType_t MPU_xTaskCreateRestrictedStatic( const TaskParameters_t * const pxTaskDefinition, TaskHandle_t *pxCreatedTask ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -82,7 +113,7 @@ extern BaseType_t xPortRaisePrivilege( void ); /*-----------------------------------------------------------*/ #if( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) - BaseType_t MPU_xTaskCreate( TaskFunction_t pvTaskCode, const char * const pcName, uint16_t usStackDepth, void *pvParameters, UBaseType_t uxPriority, TaskHandle_t *pxCreatedTask ) + BaseType_t MPU_xTaskCreate( TaskFunction_t pvTaskCode, const char * const pcName, uint16_t usStackDepth, void *pvParameters, UBaseType_t uxPriority, TaskHandle_t *pxCreatedTask ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -95,7 +126,7 @@ extern BaseType_t xPortRaisePrivilege( void ); /*-----------------------------------------------------------*/ #if( configSUPPORT_STATIC_ALLOCATION == 1 ) - TaskHandle_t MPU_xTaskCreateStatic( TaskFunction_t pxTaskCode, const char * const pcName, const uint32_t ulStackDepth, void * const pvParameters, UBaseType_t uxPriority, StackType_t * const puxStackBuffer, StaticTask_t * const pxTaskBuffer ) + TaskHandle_t MPU_xTaskCreateStatic( TaskFunction_t pxTaskCode, const char * const pcName, const uint32_t ulStackDepth, void * const pvParameters, UBaseType_t uxPriority, StackType_t * const puxStackBuffer, StaticTask_t * const pxTaskBuffer ) /* FREERTOS_SYSTEM_CALL */ { TaskHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -107,7 +138,7 @@ extern BaseType_t xPortRaisePrivilege( void ); #endif /* configSUPPORT_STATIC_ALLOCATION */ /*-----------------------------------------------------------*/ -void MPU_vTaskAllocateMPURegions( TaskHandle_t xTask, const MemoryRegion_t * const xRegions ) +void MPU_vTaskAllocateMPURegions( TaskHandle_t xTask, const MemoryRegion_t * const xRegions ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -117,7 +148,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( INCLUDE_vTaskDelete == 1 ) - void MPU_vTaskDelete( TaskHandle_t pxTaskToDelete ) + void MPU_vTaskDelete( TaskHandle_t pxTaskToDelete ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -128,7 +159,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( INCLUDE_vTaskDelayUntil == 1 ) - void MPU_vTaskDelayUntil( TickType_t * const pxPreviousWakeTime, TickType_t xTimeIncrement ) + void MPU_vTaskDelayUntil( TickType_t * const pxPreviousWakeTime, TickType_t xTimeIncrement ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -139,7 +170,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( INCLUDE_xTaskAbortDelay == 1 ) - BaseType_t MPU_xTaskAbortDelay( TaskHandle_t xTask ) + BaseType_t MPU_xTaskAbortDelay( TaskHandle_t xTask ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -152,7 +183,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( INCLUDE_vTaskDelay == 1 ) - void MPU_vTaskDelay( TickType_t xTicksToDelay ) + void MPU_vTaskDelay( TickType_t xTicksToDelay ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -163,7 +194,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( INCLUDE_uxTaskPriorityGet == 1 ) - UBaseType_t MPU_uxTaskPriorityGet( const TaskHandle_t pxTask ) + UBaseType_t MPU_uxTaskPriorityGet( const TaskHandle_t pxTask ) /* FREERTOS_SYSTEM_CALL */ { UBaseType_t uxReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -176,7 +207,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( INCLUDE_vTaskPrioritySet == 1 ) - void MPU_vTaskPrioritySet( TaskHandle_t pxTask, UBaseType_t uxNewPriority ) + void MPU_vTaskPrioritySet( TaskHandle_t pxTask, UBaseType_t uxNewPriority ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -187,7 +218,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( INCLUDE_eTaskGetState == 1 ) - eTaskState MPU_eTaskGetState( TaskHandle_t pxTask ) + eTaskState MPU_eTaskGetState( TaskHandle_t pxTask ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); eTaskState eReturn; @@ -200,7 +231,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configUSE_TRACE_FACILITY == 1 ) - void MPU_vTaskGetInfo( TaskHandle_t xTask, TaskStatus_t *pxTaskStatus, BaseType_t xGetFreeStackSpace, eTaskState eState ) + void MPU_vTaskGetInfo( TaskHandle_t xTask, TaskStatus_t *pxTaskStatus, BaseType_t xGetFreeStackSpace, eTaskState eState ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -211,7 +242,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( INCLUDE_xTaskGetIdleTaskHandle == 1 ) - TaskHandle_t MPU_xTaskGetIdleTaskHandle( void ) + TaskHandle_t MPU_xTaskGetIdleTaskHandle( void ) /* FREERTOS_SYSTEM_CALL */ { TaskHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -224,7 +255,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( INCLUDE_vTaskSuspend == 1 ) - void MPU_vTaskSuspend( TaskHandle_t pxTaskToSuspend ) + void MPU_vTaskSuspend( TaskHandle_t pxTaskToSuspend ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -235,7 +266,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( INCLUDE_vTaskSuspend == 1 ) - void MPU_vTaskResume( TaskHandle_t pxTaskToResume ) + void MPU_vTaskResume( TaskHandle_t pxTaskToResume ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -245,7 +276,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); #endif /*-----------------------------------------------------------*/ -void MPU_vTaskSuspendAll( void ) +void MPU_vTaskSuspendAll( void ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -254,7 +285,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -BaseType_t MPU_xTaskResumeAll( void ) +BaseType_t MPU_xTaskResumeAll( void ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -265,7 +296,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -TickType_t MPU_xTaskGetTickCount( void ) +TickType_t MPU_xTaskGetTickCount( void ) /* FREERTOS_SYSTEM_CALL */ { TickType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -276,7 +307,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -UBaseType_t MPU_uxTaskGetNumberOfTasks( void ) +UBaseType_t MPU_uxTaskGetNumberOfTasks( void ) /* FREERTOS_SYSTEM_CALL */ { UBaseType_t uxReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -287,7 +318,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -char * MPU_pcTaskGetName( TaskHandle_t xTaskToQuery ) +char * MPU_pcTaskGetName( TaskHandle_t xTaskToQuery ) /* FREERTOS_SYSTEM_CALL */ { char *pcReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -299,7 +330,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( INCLUDE_xTaskGetHandle == 1 ) - TaskHandle_t MPU_xTaskGetHandle( const char *pcNameToQuery ) + TaskHandle_t MPU_xTaskGetHandle( const char *pcNameToQuery ) /* FREERTOS_SYSTEM_CALL */ { TaskHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -312,7 +343,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( ( configUSE_TRACE_FACILITY == 1 ) && ( configUSE_STATS_FORMATTING_FUNCTIONS > 0 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) ) - void MPU_vTaskList( char *pcWriteBuffer ) + void MPU_vTaskList( char *pcWriteBuffer ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -323,7 +354,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( ( configGENERATE_RUN_TIME_STATS == 1 ) && ( configUSE_STATS_FORMATTING_FUNCTIONS > 0 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) ) - void MPU_vTaskGetRunTimeStats( char *pcWriteBuffer ) + void MPU_vTaskGetRunTimeStats( char *pcWriteBuffer ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -334,7 +365,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( ( configGENERATE_RUN_TIME_STATS == 1 ) && ( INCLUDE_xTaskGetIdleTaskHandle == 1 ) ) - TickType_t MPU_xTaskGetIdleRunTimeCounter( void ) + TickType_t MPU_xTaskGetIdleRunTimeCounter( void ) /* FREERTOS_SYSTEM_CALL */ { TickType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -347,7 +378,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( configUSE_APPLICATION_TASK_TAG == 1 ) - void MPU_vTaskSetApplicationTaskTag( TaskHandle_t xTask, TaskHookFunction_t pxTagValue ) + void MPU_vTaskSetApplicationTaskTag( TaskHandle_t xTask, TaskHookFunction_t pxTagValue ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -358,7 +389,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( configUSE_APPLICATION_TASK_TAG == 1 ) - TaskHookFunction_t MPU_xTaskGetApplicationTaskTag( TaskHandle_t xTask ) + TaskHookFunction_t MPU_xTaskGetApplicationTaskTag( TaskHandle_t xTask ) /* FREERTOS_SYSTEM_CALL */ { TaskHookFunction_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -371,7 +402,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( configNUM_THREAD_LOCAL_STORAGE_POINTERS != 0 ) - void MPU_vTaskSetThreadLocalStoragePointer( TaskHandle_t xTaskToSet, BaseType_t xIndex, void *pvValue ) + void MPU_vTaskSetThreadLocalStoragePointer( TaskHandle_t xTaskToSet, BaseType_t xIndex, void *pvValue ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -382,7 +413,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( configNUM_THREAD_LOCAL_STORAGE_POINTERS != 0 ) - void *MPU_pvTaskGetThreadLocalStoragePointer( TaskHandle_t xTaskToQuery, BaseType_t xIndex ) + void *MPU_pvTaskGetThreadLocalStoragePointer( TaskHandle_t xTaskToQuery, BaseType_t xIndex ) /* FREERTOS_SYSTEM_CALL */ { void *pvReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -395,7 +426,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( configUSE_APPLICATION_TASK_TAG == 1 ) - BaseType_t MPU_xTaskCallApplicationTaskHook( TaskHandle_t xTask, void *pvParameter ) + BaseType_t MPU_xTaskCallApplicationTaskHook( TaskHandle_t xTask, void *pvParameter ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -408,7 +439,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( configUSE_TRACE_FACILITY == 1 ) - UBaseType_t MPU_uxTaskGetSystemState( TaskStatus_t *pxTaskStatusArray, UBaseType_t uxArraySize, uint32_t *pulTotalRunTime ) + UBaseType_t MPU_uxTaskGetSystemState( TaskStatus_t *pxTaskStatusArray, UBaseType_t uxArraySize, uint32_t *pulTotalRunTime ) /* FREERTOS_SYSTEM_CALL */ { UBaseType_t uxReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -421,7 +452,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) - UBaseType_t MPU_uxTaskGetStackHighWaterMark( TaskHandle_t xTask ) + UBaseType_t MPU_uxTaskGetStackHighWaterMark( TaskHandle_t xTask ) /* FREERTOS_SYSTEM_CALL */ { UBaseType_t uxReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -434,7 +465,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 ) - configSTACK_DEPTH_TYPE MPU_uxTaskGetStackHighWaterMark2( TaskHandle_t xTask ) + configSTACK_DEPTH_TYPE MPU_uxTaskGetStackHighWaterMark2( TaskHandle_t xTask ) /* FREERTOS_SYSTEM_CALL */ { configSTACK_DEPTH_TYPE uxReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -447,7 +478,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( INCLUDE_xTaskGetCurrentTaskHandle == 1 ) - TaskHandle_t MPU_xTaskGetCurrentTaskHandle( void ) + TaskHandle_t MPU_xTaskGetCurrentTaskHandle( void ) /* FREERTOS_SYSTEM_CALL */ { TaskHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -460,7 +491,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if ( INCLUDE_xTaskGetSchedulerState == 1 ) - BaseType_t MPU_xTaskGetSchedulerState( void ) + BaseType_t MPU_xTaskGetSchedulerState( void ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -472,7 +503,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); #endif /*-----------------------------------------------------------*/ -void MPU_vTaskSetTimeOutState( TimeOut_t * const pxTimeOut ) +void MPU_vTaskSetTimeOutState( TimeOut_t * const pxTimeOut ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -481,7 +512,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -BaseType_t MPU_xTaskCheckForTimeOut( TimeOut_t * const pxTimeOut, TickType_t * const pxTicksToWait ) +BaseType_t MPU_xTaskCheckForTimeOut( TimeOut_t * const pxTimeOut, TickType_t * const pxTicksToWait ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -493,7 +524,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configUSE_TASK_NOTIFICATIONS == 1 ) - BaseType_t MPU_xTaskGenericNotify( TaskHandle_t xTaskToNotify, uint32_t ulValue, eNotifyAction eAction, uint32_t *pulPreviousNotificationValue ) + BaseType_t MPU_xTaskGenericNotify( TaskHandle_t xTaskToNotify, uint32_t ulValue, eNotifyAction eAction, uint32_t *pulPreviousNotificationValue ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -506,7 +537,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configUSE_TASK_NOTIFICATIONS == 1 ) - BaseType_t MPU_xTaskNotifyWait( uint32_t ulBitsToClearOnEntry, uint32_t ulBitsToClearOnExit, uint32_t *pulNotificationValue, TickType_t xTicksToWait ) + BaseType_t MPU_xTaskNotifyWait( uint32_t ulBitsToClearOnEntry, uint32_t ulBitsToClearOnExit, uint32_t *pulNotificationValue, TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -519,7 +550,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configUSE_TASK_NOTIFICATIONS == 1 ) - uint32_t MPU_ulTaskNotifyTake( BaseType_t xClearCountOnExit, TickType_t xTicksToWait ) + uint32_t MPU_ulTaskNotifyTake( BaseType_t xClearCountOnExit, TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */ { uint32_t ulReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -532,7 +563,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configUSE_TASK_NOTIFICATIONS == 1 ) - BaseType_t MPU_xTaskNotifyStateClear( TaskHandle_t xTask ) + BaseType_t MPU_xTaskNotifyStateClear( TaskHandle_t xTask ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -545,7 +576,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) - QueueHandle_t MPU_xQueueGenericCreate( UBaseType_t uxQueueLength, UBaseType_t uxItemSize, uint8_t ucQueueType ) + QueueHandle_t MPU_xQueueGenericCreate( UBaseType_t uxQueueLength, UBaseType_t uxItemSize, uint8_t ucQueueType ) /* FREERTOS_SYSTEM_CALL */ { QueueHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -558,7 +589,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configSUPPORT_STATIC_ALLOCATION == 1 ) - QueueHandle_t MPU_xQueueGenericCreateStatic( const UBaseType_t uxQueueLength, const UBaseType_t uxItemSize, uint8_t *pucQueueStorage, StaticQueue_t *pxStaticQueue, const uint8_t ucQueueType ) + QueueHandle_t MPU_xQueueGenericCreateStatic( const UBaseType_t uxQueueLength, const UBaseType_t uxItemSize, uint8_t *pucQueueStorage, StaticQueue_t *pxStaticQueue, const uint8_t ucQueueType ) /* FREERTOS_SYSTEM_CALL */ { QueueHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -570,7 +601,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); #endif /*-----------------------------------------------------------*/ -BaseType_t MPU_xQueueGenericReset( QueueHandle_t pxQueue, BaseType_t xNewQueue ) +BaseType_t MPU_xQueueGenericReset( QueueHandle_t pxQueue, BaseType_t xNewQueue ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -581,7 +612,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -BaseType_t MPU_xQueueGenericSend( QueueHandle_t xQueue, const void * const pvItemToQueue, TickType_t xTicksToWait, BaseType_t xCopyPosition ) +BaseType_t MPU_xQueueGenericSend( QueueHandle_t xQueue, const void * const pvItemToQueue, TickType_t xTicksToWait, BaseType_t xCopyPosition ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -592,7 +623,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -UBaseType_t MPU_uxQueueMessagesWaiting( const QueueHandle_t pxQueue ) +UBaseType_t MPU_uxQueueMessagesWaiting( const QueueHandle_t pxQueue ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); UBaseType_t uxReturn; @@ -603,7 +634,7 @@ UBaseType_t uxReturn; } /*-----------------------------------------------------------*/ -UBaseType_t MPU_uxQueueSpacesAvailable( const QueueHandle_t xQueue ) +UBaseType_t MPU_uxQueueSpacesAvailable( const QueueHandle_t xQueue ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); UBaseType_t uxReturn; @@ -614,7 +645,7 @@ UBaseType_t uxReturn; } /*-----------------------------------------------------------*/ -BaseType_t MPU_xQueueReceive( QueueHandle_t pxQueue, void * const pvBuffer, TickType_t xTicksToWait ) +BaseType_t MPU_xQueueReceive( QueueHandle_t pxQueue, void * const pvBuffer, TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xReturn; @@ -625,7 +656,7 @@ BaseType_t xReturn; } /*-----------------------------------------------------------*/ -BaseType_t MPU_xQueuePeek( QueueHandle_t xQueue, void * const pvBuffer, TickType_t xTicksToWait ) +BaseType_t MPU_xQueuePeek( QueueHandle_t xQueue, void * const pvBuffer, TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xReturn; @@ -636,7 +667,7 @@ BaseType_t xReturn; } /*-----------------------------------------------------------*/ -BaseType_t MPU_xQueueSemaphoreTake( QueueHandle_t xQueue, TickType_t xTicksToWait ) +BaseType_t MPU_xQueueSemaphoreTake( QueueHandle_t xQueue, TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); BaseType_t xReturn; @@ -647,19 +678,21 @@ BaseType_t xReturn; } /*-----------------------------------------------------------*/ -TaskHandle_t MPU_xQueueGetMutexHolder( QueueHandle_t xSemaphore ) -{ -BaseType_t xRunningPrivileged = xPortRaisePrivilege(); -void * xReturn; +#if ( ( configUSE_MUTEXES == 1 ) && ( INCLUDE_xSemaphoreGetMutexHolder == 1 ) ) + TaskHandle_t MPU_xQueueGetMutexHolder( QueueHandle_t xSemaphore ) /* FREERTOS_SYSTEM_CALL */ + { + BaseType_t xRunningPrivileged = xPortRaisePrivilege(); + void * xReturn; - xReturn = xQueueGetMutexHolder( xSemaphore ); - vPortResetPrivilege( xRunningPrivileged ); - return xReturn; -} + xReturn = xQueueGetMutexHolder( xSemaphore ); + vPortResetPrivilege( xRunningPrivileged ); + return xReturn; + } +#endif /*-----------------------------------------------------------*/ #if( ( configUSE_MUTEXES == 1 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) ) - QueueHandle_t MPU_xQueueCreateMutex( const uint8_t ucQueueType ) + QueueHandle_t MPU_xQueueCreateMutex( const uint8_t ucQueueType ) /* FREERTOS_SYSTEM_CALL */ { QueueHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -672,7 +705,7 @@ void * xReturn; /*-----------------------------------------------------------*/ #if( ( configUSE_MUTEXES == 1 ) && ( configSUPPORT_STATIC_ALLOCATION == 1 ) ) - QueueHandle_t MPU_xQueueCreateMutexStatic( const uint8_t ucQueueType, StaticQueue_t *pxStaticQueue ) + QueueHandle_t MPU_xQueueCreateMutexStatic( const uint8_t ucQueueType, StaticQueue_t *pxStaticQueue ) /* FREERTOS_SYSTEM_CALL */ { QueueHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -685,7 +718,7 @@ void * xReturn; /*-----------------------------------------------------------*/ #if( ( configUSE_COUNTING_SEMAPHORES == 1 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) ) - QueueHandle_t MPU_xQueueCreateCountingSemaphore( UBaseType_t uxCountValue, UBaseType_t uxInitialCount ) + QueueHandle_t MPU_xQueueCreateCountingSemaphore( UBaseType_t uxCountValue, UBaseType_t uxInitialCount ) /* FREERTOS_SYSTEM_CALL */ { QueueHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -699,7 +732,7 @@ void * xReturn; #if( ( configUSE_COUNTING_SEMAPHORES == 1 ) && ( configSUPPORT_STATIC_ALLOCATION == 1 ) ) - QueueHandle_t MPU_xQueueCreateCountingSemaphoreStatic( const UBaseType_t uxMaxCount, const UBaseType_t uxInitialCount, StaticQueue_t *pxStaticQueue ) + QueueHandle_t MPU_xQueueCreateCountingSemaphoreStatic( const UBaseType_t uxMaxCount, const UBaseType_t uxInitialCount, StaticQueue_t *pxStaticQueue ) /* FREERTOS_SYSTEM_CALL */ { QueueHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -712,7 +745,7 @@ void * xReturn; /*-----------------------------------------------------------*/ #if ( configUSE_RECURSIVE_MUTEXES == 1 ) - BaseType_t MPU_xQueueTakeMutexRecursive( QueueHandle_t xMutex, TickType_t xBlockTime ) + BaseType_t MPU_xQueueTakeMutexRecursive( QueueHandle_t xMutex, TickType_t xBlockTime ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -725,7 +758,7 @@ void * xReturn; /*-----------------------------------------------------------*/ #if ( configUSE_RECURSIVE_MUTEXES == 1 ) - BaseType_t MPU_xQueueGiveMutexRecursive( QueueHandle_t xMutex ) + BaseType_t MPU_xQueueGiveMutexRecursive( QueueHandle_t xMutex ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -738,7 +771,7 @@ void * xReturn; /*-----------------------------------------------------------*/ #if( ( configUSE_QUEUE_SETS == 1 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) ) - QueueSetHandle_t MPU_xQueueCreateSet( UBaseType_t uxEventQueueLength ) + QueueSetHandle_t MPU_xQueueCreateSet( UBaseType_t uxEventQueueLength ) /* FREERTOS_SYSTEM_CALL */ { QueueSetHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -751,7 +784,7 @@ void * xReturn; /*-----------------------------------------------------------*/ #if ( configUSE_QUEUE_SETS == 1 ) - QueueSetMemberHandle_t MPU_xQueueSelectFromSet( QueueSetHandle_t xQueueSet, TickType_t xBlockTimeTicks ) + QueueSetMemberHandle_t MPU_xQueueSelectFromSet( QueueSetHandle_t xQueueSet, TickType_t xBlockTimeTicks ) /* FREERTOS_SYSTEM_CALL */ { QueueSetMemberHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -764,7 +797,7 @@ void * xReturn; /*-----------------------------------------------------------*/ #if ( configUSE_QUEUE_SETS == 1 ) - BaseType_t MPU_xQueueAddToSet( QueueSetMemberHandle_t xQueueOrSemaphore, QueueSetHandle_t xQueueSet ) + BaseType_t MPU_xQueueAddToSet( QueueSetMemberHandle_t xQueueOrSemaphore, QueueSetHandle_t xQueueSet ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -777,7 +810,7 @@ void * xReturn; /*-----------------------------------------------------------*/ #if ( configUSE_QUEUE_SETS == 1 ) - BaseType_t MPU_xQueueRemoveFromSet( QueueSetMemberHandle_t xQueueOrSemaphore, QueueSetHandle_t xQueueSet ) + BaseType_t MPU_xQueueRemoveFromSet( QueueSetMemberHandle_t xQueueOrSemaphore, QueueSetHandle_t xQueueSet ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -790,7 +823,7 @@ void * xReturn; /*-----------------------------------------------------------*/ #if configQUEUE_REGISTRY_SIZE > 0 - void MPU_vQueueAddToRegistry( QueueHandle_t xQueue, const char *pcName ) + void MPU_vQueueAddToRegistry( QueueHandle_t xQueue, const char *pcName ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -802,7 +835,7 @@ void * xReturn; /*-----------------------------------------------------------*/ #if configQUEUE_REGISTRY_SIZE > 0 - void MPU_vQueueUnregisterQueue( QueueHandle_t xQueue ) + void MPU_vQueueUnregisterQueue( QueueHandle_t xQueue ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -814,7 +847,7 @@ void * xReturn; /*-----------------------------------------------------------*/ #if configQUEUE_REGISTRY_SIZE > 0 - const char *MPU_pcQueueGetName( QueueHandle_t xQueue ) + const char *MPU_pcQueueGetName( QueueHandle_t xQueue ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); const char *pcReturn; @@ -827,7 +860,7 @@ void * xReturn; #endif /*-----------------------------------------------------------*/ -void MPU_vQueueDelete( QueueHandle_t xQueue ) +void MPU_vQueueDelete( QueueHandle_t xQueue ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -838,7 +871,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) - void *MPU_pvPortMalloc( size_t xSize ) + void *MPU_pvPortMalloc( size_t xSize ) /* FREERTOS_SYSTEM_CALL */ { void *pvReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -853,7 +886,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) - void MPU_vPortFree( void *pv ) + void MPU_vPortFree( void *pv ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -865,7 +898,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) - void MPU_vPortInitialiseBlocks( void ) + void MPU_vPortInitialiseBlocks( void ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -877,7 +910,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) - size_t MPU_xPortGetFreeHeapSize( void ) + size_t MPU_xPortGetFreeHeapSize( void ) /* FREERTOS_SYSTEM_CALL */ { size_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -892,7 +925,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) && ( configUSE_TIMERS == 1 ) ) - TimerHandle_t MPU_xTimerCreate( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction ) + TimerHandle_t MPU_xTimerCreate( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction ) /* FREERTOS_SYSTEM_CALL */ { TimerHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -906,7 +939,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( ( configSUPPORT_STATIC_ALLOCATION == 1 ) && ( configUSE_TIMERS == 1 ) ) - TimerHandle_t MPU_xTimerCreateStatic( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction, StaticTimer_t *pxTimerBuffer ) + TimerHandle_t MPU_xTimerCreateStatic( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction, StaticTimer_t *pxTimerBuffer ) /* FREERTOS_SYSTEM_CALL */ { TimerHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -920,7 +953,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configUSE_TIMERS == 1 ) - void *MPU_pvTimerGetTimerID( const TimerHandle_t xTimer ) + void *MPU_pvTimerGetTimerID( const TimerHandle_t xTimer ) /* FREERTOS_SYSTEM_CALL */ { void * pvReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -934,7 +967,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configUSE_TIMERS == 1 ) - void MPU_vTimerSetTimerID( TimerHandle_t xTimer, void *pvNewID ) + void MPU_vTimerSetTimerID( TimerHandle_t xTimer, void *pvNewID ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -945,7 +978,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configUSE_TIMERS == 1 ) - BaseType_t MPU_xTimerIsTimerActive( TimerHandle_t xTimer ) + BaseType_t MPU_xTimerIsTimerActive( TimerHandle_t xTimer ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -959,7 +992,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configUSE_TIMERS == 1 ) - TaskHandle_t MPU_xTimerGetTimerDaemonTaskHandle( void ) + TaskHandle_t MPU_xTimerGetTimerDaemonTaskHandle( void ) /* FREERTOS_SYSTEM_CALL */ { TaskHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -973,7 +1006,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( ( INCLUDE_xTimerPendFunctionCall == 1 ) && ( configUSE_TIMERS == 1 ) ) - BaseType_t MPU_xTimerPendFunctionCall( PendedFunction_t xFunctionToPend, void *pvParameter1, uint32_t ulParameter2, TickType_t xTicksToWait ) + BaseType_t MPU_xTimerPendFunctionCall( PendedFunction_t xFunctionToPend, void *pvParameter1, uint32_t ulParameter2, TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -987,7 +1020,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configUSE_TIMERS == 1 ) - void MPU_vTimerSetReloadMode( TimerHandle_t xTimer, const UBaseType_t uxAutoReload ) + void MPU_vTimerSetReloadMode( TimerHandle_t xTimer, const UBaseType_t uxAutoReload ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -998,7 +1031,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configUSE_TIMERS == 1 ) - const char * MPU_pcTimerGetName( TimerHandle_t xTimer ) + const char * MPU_pcTimerGetName( TimerHandle_t xTimer ) /* FREERTOS_SYSTEM_CALL */ { const char * pcReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1012,7 +1045,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configUSE_TIMERS == 1 ) - TickType_t MPU_xTimerGetPeriod( TimerHandle_t xTimer ) + TickType_t MPU_xTimerGetPeriod( TimerHandle_t xTimer ) /* FREERTOS_SYSTEM_CALL */ { TickType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1026,7 +1059,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configUSE_TIMERS == 1 ) - TickType_t MPU_xTimerGetExpiryTime( TimerHandle_t xTimer ) + TickType_t MPU_xTimerGetExpiryTime( TimerHandle_t xTimer ) /* FREERTOS_SYSTEM_CALL */ { TickType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1040,7 +1073,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configUSE_TIMERS == 1 ) - BaseType_t MPU_xTimerGenericCommand( TimerHandle_t xTimer, const BaseType_t xCommandID, const TickType_t xOptionalValue, BaseType_t * const pxHigherPriorityTaskWoken, const TickType_t xTicksToWait ) + BaseType_t MPU_xTimerGenericCommand( TimerHandle_t xTimer, const BaseType_t xCommandID, const TickType_t xOptionalValue, BaseType_t * const pxHigherPriorityTaskWoken, const TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1054,7 +1087,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) - EventGroupHandle_t MPU_xEventGroupCreate( void ) + EventGroupHandle_t MPU_xEventGroupCreate( void ) /* FREERTOS_SYSTEM_CALL */ { EventGroupHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1068,7 +1101,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configSUPPORT_STATIC_ALLOCATION == 1 ) - EventGroupHandle_t MPU_xEventGroupCreateStatic( StaticEventGroup_t *pxEventGroupBuffer ) + EventGroupHandle_t MPU_xEventGroupCreateStatic( StaticEventGroup_t *pxEventGroupBuffer ) /* FREERTOS_SYSTEM_CALL */ { EventGroupHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1081,7 +1114,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); #endif /*-----------------------------------------------------------*/ -EventBits_t MPU_xEventGroupWaitBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToWaitFor, const BaseType_t xClearOnExit, const BaseType_t xWaitForAllBits, TickType_t xTicksToWait ) +EventBits_t MPU_xEventGroupWaitBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToWaitFor, const BaseType_t xClearOnExit, const BaseType_t xWaitForAllBits, TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */ { EventBits_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1093,7 +1126,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -EventBits_t MPU_xEventGroupClearBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToClear ) +EventBits_t MPU_xEventGroupClearBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToClear ) /* FREERTOS_SYSTEM_CALL */ { EventBits_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1105,7 +1138,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -EventBits_t MPU_xEventGroupSetBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet ) +EventBits_t MPU_xEventGroupSetBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet ) /* FREERTOS_SYSTEM_CALL */ { EventBits_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1117,7 +1150,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -EventBits_t MPU_xEventGroupSync( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet, const EventBits_t uxBitsToWaitFor, TickType_t xTicksToWait ) +EventBits_t MPU_xEventGroupSync( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet, const EventBits_t uxBitsToWaitFor, TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */ { EventBits_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1129,7 +1162,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -void MPU_vEventGroupDelete( EventGroupHandle_t xEventGroup ) +void MPU_vEventGroupDelete( EventGroupHandle_t xEventGroup ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1138,7 +1171,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -size_t MPU_xStreamBufferSend( StreamBufferHandle_t xStreamBuffer, const void *pvTxData, size_t xDataLengthBytes, TickType_t xTicksToWait ) +size_t MPU_xStreamBufferSend( StreamBufferHandle_t xStreamBuffer, const void *pvTxData, size_t xDataLengthBytes, TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */ { size_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1150,7 +1183,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -size_t MPU_xStreamBufferNextMessageLengthBytes( StreamBufferHandle_t xStreamBuffer ) +size_t MPU_xStreamBufferNextMessageLengthBytes( StreamBufferHandle_t xStreamBuffer ) /* FREERTOS_SYSTEM_CALL */ { size_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1162,7 +1195,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -size_t MPU_xStreamBufferReceive( StreamBufferHandle_t xStreamBuffer, void *pvRxData, size_t xBufferLengthBytes, TickType_t xTicksToWait ) +size_t MPU_xStreamBufferReceive( StreamBufferHandle_t xStreamBuffer, void *pvRxData, size_t xBufferLengthBytes, TickType_t xTicksToWait ) /* FREERTOS_SYSTEM_CALL */ { size_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1174,7 +1207,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -void MPU_vStreamBufferDelete( StreamBufferHandle_t xStreamBuffer ) +void MPU_vStreamBufferDelete( StreamBufferHandle_t xStreamBuffer ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1183,7 +1216,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -BaseType_t MPU_xStreamBufferIsFull( StreamBufferHandle_t xStreamBuffer ) +BaseType_t MPU_xStreamBufferIsFull( StreamBufferHandle_t xStreamBuffer ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1195,7 +1228,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -BaseType_t MPU_xStreamBufferIsEmpty( StreamBufferHandle_t xStreamBuffer ) +BaseType_t MPU_xStreamBufferIsEmpty( StreamBufferHandle_t xStreamBuffer ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1207,7 +1240,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -BaseType_t MPU_xStreamBufferReset( StreamBufferHandle_t xStreamBuffer ) +BaseType_t MPU_xStreamBufferReset( StreamBufferHandle_t xStreamBuffer ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1219,7 +1252,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -size_t MPU_xStreamBufferSpacesAvailable( StreamBufferHandle_t xStreamBuffer ) +size_t MPU_xStreamBufferSpacesAvailable( StreamBufferHandle_t xStreamBuffer ) /* FREERTOS_SYSTEM_CALL */ { size_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1231,7 +1264,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -size_t MPU_xStreamBufferBytesAvailable( StreamBufferHandle_t xStreamBuffer ) +size_t MPU_xStreamBufferBytesAvailable( StreamBufferHandle_t xStreamBuffer ) /* FREERTOS_SYSTEM_CALL */ { size_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1243,7 +1276,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); } /*-----------------------------------------------------------*/ -BaseType_t MPU_xStreamBufferSetTriggerLevel( StreamBufferHandle_t xStreamBuffer, size_t xTriggerLevel ) +BaseType_t MPU_xStreamBufferSetTriggerLevel( StreamBufferHandle_t xStreamBuffer, size_t xTriggerLevel ) /* FREERTOS_SYSTEM_CALL */ { BaseType_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1256,7 +1289,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) - StreamBufferHandle_t MPU_xStreamBufferGenericCreate( size_t xBufferSizeBytes, size_t xTriggerLevelBytes, BaseType_t xIsMessageBuffer ) + StreamBufferHandle_t MPU_xStreamBufferGenericCreate( size_t xBufferSizeBytes, size_t xTriggerLevelBytes, BaseType_t xIsMessageBuffer ) /* FREERTOS_SYSTEM_CALL */ { StreamBufferHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); @@ -1270,7 +1303,7 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege(); /*-----------------------------------------------------------*/ #if( configSUPPORT_STATIC_ALLOCATION == 1 ) - StreamBufferHandle_t MPU_xStreamBufferGenericCreateStatic( size_t xBufferSizeBytes, size_t xTriggerLevelBytes, BaseType_t xIsMessageBuffer, uint8_t * const pucStreamBufferStorageArea, StaticStreamBuffer_t * const pxStaticStreamBuffer ) + StreamBufferHandle_t MPU_xStreamBufferGenericCreateStatic( size_t xBufferSizeBytes, size_t xTriggerLevelBytes, BaseType_t xIsMessageBuffer, uint8_t * const pucStreamBufferStorageArea, StaticStreamBuffer_t * const pxStaticStreamBuffer ) /* FREERTOS_SYSTEM_CALL */ { StreamBufferHandle_t xReturn; BaseType_t xRunningPrivileged = xPortRaisePrivilege(); diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/port.c b/FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/port.c new file mode 100644 index 000000000..a549bb14c --- /dev/null +++ b/FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/port.c @@ -0,0 +1,860 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE prevents task.h from redefining + * all the API functions to use the MPU wrappers. That should only be done when + * task.h is included from an application file. */ +#define MPU_WRAPPERS_INCLUDED_FROM_API_FILE + +/* Scheduler includes. */ +#include "FreeRTOS.h" +#include "task.h" + +/* MPU wrappers includes. */ +#include "mpu_wrappers.h" + +/* Portasm includes. */ +#include "portasm.h" + +#if( configENABLE_TRUSTZONE == 1 ) + /* Secure components includes. */ + #include "secure_context.h" + #include "secure_init.h" +#endif /* configENABLE_TRUSTZONE */ + +#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the NVIC. + */ +#define portNVIC_SYSTICK_CTRL ( ( volatile uint32_t * ) 0xe000e010 ) +#define portNVIC_SYSTICK_LOAD ( ( volatile uint32_t * ) 0xe000e014 ) +#define portNVIC_SYSTICK_CURRENT_VALUE ( ( volatile uint32_t * ) 0xe000e018 ) +#define portNVIC_INT_CTRL ( ( volatile uint32_t * ) 0xe000ed04 ) +#define portNVIC_SYSPRI2 ( ( volatile uint32_t * ) 0xe000ed20 ) +#define portNVIC_SYSTICK_CLK ( 0x00000004 ) +#define portNVIC_SYSTICK_INT ( 0x00000002 ) +#define portNVIC_SYSTICK_ENABLE ( 0x00000001 ) +#define portNVIC_PENDSVSET ( 0x10000000 ) +#define portMIN_INTERRUPT_PRIORITY ( 255UL ) +#define portNVIC_PENDSV_PRI ( portMIN_INTERRUPT_PRIORITY << 16UL ) +#define portNVIC_SYSTICK_PRI ( portMIN_INTERRUPT_PRIORITY << 24UL ) +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the SCB. + */ +#define portSCB_SYS_HANDLER_CTRL_STATE_REG ( * ( volatile uint32_t * ) 0xe000ed24 ) +#define portSCB_MEM_FAULT_ENABLE ( 1UL << 16UL ) +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the FPU. + */ +#define portCPACR ( ( volatile uint32_t * ) 0xe000ed88 ) /* Coprocessor Access Control Register. */ +#define portCPACR_CP10_VALUE ( 3UL ) +#define portCPACR_CP11_VALUE portCPACR_CP10_VALUE +#define portCPACR_CP10_POS ( 20UL ) +#define portCPACR_CP11_POS ( 22UL ) + +#define portFPCCR ( ( volatile uint32_t * ) 0xe000ef34 ) /* Floating Point Context Control Register. */ +#define portFPCCR_ASPEN_POS ( 31UL ) +#define portFPCCR_ASPEN_MASK ( 1UL << portFPCCR_ASPEN_POS ) +#define portFPCCR_LSPEN_POS ( 30UL ) +#define portFPCCR_LSPEN_MASK ( 1UL << portFPCCR_LSPEN_POS ) +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the MPU. + */ +#define portMPU_TYPE_REG ( * ( ( volatile uint32_t * ) 0xe000ed90 ) ) +#define portMPU_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed94 ) ) +#define portMPU_RNR_REG ( * ( ( volatile uint32_t * ) 0xe000ed98 ) ) + +#define portMPU_RBAR_REG ( * ( ( volatile uint32_t * ) 0xe000ed9c ) ) +#define portMPU_RLAR_REG ( * ( ( volatile uint32_t * ) 0xe000eda0 ) ) + +#define portMPU_RBAR_A1_REG ( * ( ( volatile uint32_t * ) 0xe000eda4 ) ) +#define portMPU_RLAR_A1_REG ( * ( ( volatile uint32_t * ) 0xe000eda8 ) ) + +#define portMPU_RBAR_A2_REG ( * ( ( volatile uint32_t * ) 0xe000edac ) ) +#define portMPU_RLAR_A2_REG ( * ( ( volatile uint32_t * ) 0xe000edb0 ) ) + +#define portMPU_RBAR_A3_REG ( * ( ( volatile uint32_t * ) 0xe000edb4 ) ) +#define portMPU_RLAR_A3_REG ( * ( ( volatile uint32_t * ) 0xe000edb8 ) ) + +#define portMPU_MAIR0_REG ( * ( ( volatile uint32_t * ) 0xe000edc0 ) ) +#define portMPU_MAIR1_REG ( * ( ( volatile uint32_t * ) 0xe000edc4 ) ) + +#define portMPU_RBAR_ADDRESS_MASK ( 0xffffffe0 ) /* Must be 32-byte aligned. */ +#define portMPU_RLAR_ADDRESS_MASK ( 0xffffffe0 ) /* Must be 32-byte aligned. */ + +#define portMPU_MAIR_ATTR0_POS ( 0UL ) +#define portMPU_MAIR_ATTR0_MASK ( 0x000000ff ) + +#define portMPU_MAIR_ATTR1_POS ( 8UL ) +#define portMPU_MAIR_ATTR1_MASK ( 0x0000ff00 ) + +#define portMPU_MAIR_ATTR2_POS ( 16UL ) +#define portMPU_MAIR_ATTR2_MASK ( 0x00ff0000 ) + +#define portMPU_MAIR_ATTR3_POS ( 24UL ) +#define portMPU_MAIR_ATTR3_MASK ( 0xff000000 ) + +#define portMPU_MAIR_ATTR4_POS ( 0UL ) +#define portMPU_MAIR_ATTR4_MASK ( 0x000000ff ) + +#define portMPU_MAIR_ATTR5_POS ( 8UL ) +#define portMPU_MAIR_ATTR5_MASK ( 0x0000ff00 ) + +#define portMPU_MAIR_ATTR6_POS ( 16UL ) +#define portMPU_MAIR_ATTR6_MASK ( 0x00ff0000 ) + +#define portMPU_MAIR_ATTR7_POS ( 24UL ) +#define portMPU_MAIR_ATTR7_MASK ( 0xff000000 ) + +#define portMPU_RLAR_ATTR_INDEX0 ( 0UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX1 ( 1UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX2 ( 2UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX3 ( 3UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX4 ( 4UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX5 ( 5UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX6 ( 6UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX7 ( 7UL << 1UL ) + +#define portMPU_RLAR_REGION_ENABLE ( 1UL ) + +/* Enable privileged access to unmapped region. */ +#define portMPU_PRIV_BACKGROUND_ENABLE ( 1UL << 2UL ) + +/* Enable MPU. */ +#define portMPU_ENABLE ( 1UL << 0UL ) + +/* Expected value of the portMPU_TYPE register. */ +#define portEXPECTED_MPU_TYPE_VALUE ( 8UL << 8UL ) /* 8 regions, unified. */ +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to set up the initial stack. + */ +#define portINITIAL_XPSR ( 0x01000000 ) + +/** + * @brief Initial EXC_RETURN value. + * + * FF FF FF BC + * 1111 1111 1111 1111 1111 1111 1011 1100 + * + * Bit[6] - 0 --> The exception was taken from the Non-Secure state. + * Bit[5] - 1 --> Do not skip stacking of additional state context. + * Bit[4] - 1 --> The PE did not allocate space on the stack for FP context. + * Bit[3] - 1 --> Return to the Thread mode. + * Bit[2] - 1 --> Restore registers from the process stack. + * Bit[1] - 0 --> Reserved, 0. + * Bit[0] - 0 --> The exception was taken to the Non-Secure state. + */ +#define portINITIAL_EXC_RETURN ( 0xffffffbc ) + +/** + * @brief CONTROL register privileged bit mask. + * + * Bit[0] in CONTROL register tells the privilege: + * Bit[0] = 0 ==> The task is privileged. + * Bit[0] = 1 ==> The task is not privileged. + */ +#define portCONTROL_PRIVILEGED_MASK ( 1UL << 0UL ) + +/** + * @brief Initial CONTROL register values. + */ +#define portINITIAL_CONTROL_UNPRIVILEGED ( 0x3 ) +#define portINITIAL_CONTROL_PRIVILEGED ( 0x2 ) + +/** + * @brief Let the user override the pre-loading of the initial LR with the + * address of prvTaskExitError() in case it messes up unwinding of the stack + * in the debugger. + */ +#ifdef configTASK_RETURN_ADDRESS + #define portTASK_RETURN_ADDRESS configTASK_RETURN_ADDRESS +#else + #define portTASK_RETURN_ADDRESS prvTaskExitError +#endif + +/** + * @brief If portPRELOAD_REGISTERS then registers will be given an initial value + * when a task is created. This helps in debugging at the cost of code size. + */ +#define portPRELOAD_REGISTERS 1 + +/** + * @brief A task is created without a secure context, and must call + * portALLOCATE_SECURE_CONTEXT() to give itself a secure context before it makes + * any secure calls. + */ +#define portNO_SECURE_CONTEXT 0 +/*-----------------------------------------------------------*/ + +/** + * @brief Setup the timer to generate the tick interrupts. + */ +static void prvSetupTimerInterrupt( void ) PRIVILEGED_FUNCTION; + +/** + * @brief Used to catch tasks that attempt to return from their implementing + * function. + */ +static void prvTaskExitError( void ); + +#if( configENABLE_MPU == 1 ) + /** + * @brief Setup the Memory Protection Unit (MPU). + */ + static void prvSetupMPU( void ) PRIVILEGED_FUNCTION; +#endif /* configENABLE_MPU */ + +#if( configENABLE_FPU == 1 ) + /** + * @brief Setup the Floating Point Unit (FPU). + */ + static void prvSetupFPU( void ) PRIVILEGED_FUNCTION; +#endif /* configENABLE_FPU */ + +/** + * @brief Yield the processor. + */ +void vPortYield( void ) PRIVILEGED_FUNCTION; + +/** + * @brief Enter critical section. + */ +void vPortEnterCritical( void ) PRIVILEGED_FUNCTION; + +/** + * @brief Exit from critical section. + */ +void vPortExitCritical( void ) PRIVILEGED_FUNCTION; + +/** + * @brief SysTick handler. + */ +void SysTick_Handler( void ) PRIVILEGED_FUNCTION; + +/** + * @brief C part of SVC handler. + */ +void vPortSVCHandler_C( uint32_t *pulCallerStackAddress ) PRIVILEGED_FUNCTION; +/*-----------------------------------------------------------*/ + +/** + * @brief Each task maintains its own interrupt status in the critical nesting + * variable. + */ +static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaUL; + +#if( configENABLE_TRUSTZONE == 1 ) + /** + * @brief Saved as part of the task context to indicate which context the + * task is using on the secure side. + */ + volatile SecureContextHandle_t xSecureContext = portNO_SECURE_CONTEXT; +#endif /* configENABLE_TRUSTZONE */ +/*-----------------------------------------------------------*/ + +static void prvSetupTimerInterrupt( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Stop and reset the SysTick. */ + *( portNVIC_SYSTICK_CTRL ) = 0UL; + *( portNVIC_SYSTICK_CURRENT_VALUE ) = 0UL; + + /* Configure SysTick to interrupt at the requested rate. */ + *( portNVIC_SYSTICK_LOAD ) = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL; + *( portNVIC_SYSTICK_CTRL ) = portNVIC_SYSTICK_CLK | portNVIC_SYSTICK_INT | portNVIC_SYSTICK_ENABLE; +} +/*-----------------------------------------------------------*/ + +static void prvTaskExitError( void ) +{ +volatile uint32_t ulDummy = 0UL; + + /* A function that implements a task must not exit or attempt to return to + * its caller as there is nothing to return to. If a task wants to exit it + * should instead call vTaskDelete( NULL ). Artificially force an assert() + * to be triggered if configASSERT() is defined, then stop here so + * application writers can catch the error. */ + configASSERT( ulCriticalNesting == ~0UL ); + portDISABLE_INTERRUPTS(); + + while( ulDummy == 0 ) + { + /* This file calls prvTaskExitError() after the scheduler has been + * started to remove a compiler warning about the function being + * defined but never called. ulDummy is used purely to quieten other + * warnings about code appearing after this function is called - making + * ulDummy volatile makes the compiler think the function could return + * and therefore not output an 'unreachable code' warning for code that + * appears after it. */ + } +} +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + static void prvSetupMPU( void ) /* PRIVILEGED_FUNCTION */ + { + #if defined( __ARMCC_VERSION ) + /* Declaration when these variable are defined in code instead of being + * exported from linker scripts. */ + extern uint32_t * __privileged_functions_start__; + extern uint32_t * __privileged_functions_end__; + extern uint32_t * __syscalls_flash_start__; + extern uint32_t * __unprivileged_flash_end__; + extern uint32_t * __privileged_sram_start__; + extern uint32_t * __privileged_sram_end__; + #else + /* Declaration when these variable are exported from linker scripts. */ + extern uint32_t __privileged_functions_start__[]; + extern uint32_t __privileged_functions_end__[]; + extern uint32_t __syscalls_flash_start__[]; + extern uint32_t __unprivileged_flash_end__[]; + extern uint32_t __privileged_sram_start__[]; + extern uint32_t __privileged_sram_end__[]; + #endif /* defined( __ARMCC_VERSION ) */ + + /* Check that the MPU is present. */ + if( portMPU_TYPE_REG == portEXPECTED_MPU_TYPE_VALUE ) + { + /* MAIR0 - Index 0. */ + portMPU_MAIR0_REG |= ( ( portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE << portMPU_MAIR_ATTR0_POS ) & portMPU_MAIR_ATTR0_MASK ); + /* MAIR0 - Index 1. */ + portMPU_MAIR0_REG |= ( ( portMPU_DEVICE_MEMORY_nGnRE << portMPU_MAIR_ATTR1_POS ) & portMPU_MAIR_ATTR1_MASK ); + + /* Setup privileged flash as Read Only so that privileged tasks can + * read it but not modify. */ + portMPU_RNR_REG = portPRIVILEGED_FLASH_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) __privileged_functions_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_PRIVILEGED_READ_ONLY ); + portMPU_RLAR_REG = ( ( ( uint32_t ) __privileged_functions_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Setup unprivileged flash and system calls flash as Read Only by + * both privileged and unprivileged tasks. All tasks can read it but + * no-one can modify. */ + portMPU_RNR_REG = portUNPRIVILEGED_FLASH_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) __syscalls_flash_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_READ_ONLY ); + portMPU_RLAR_REG = ( ( ( uint32_t ) __unprivileged_flash_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Setup RAM containing kernel data for privileged access only. */ + portMPU_RNR_REG = portPRIVILEGED_RAM_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) __privileged_sram_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_PRIVILEGED_READ_WRITE ) | + ( portMPU_REGION_EXECUTE_NEVER ); + portMPU_RLAR_REG = ( ( ( uint32_t ) __privileged_sram_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* By default allow everything to access the general peripherals. + * The system peripherals and registers are protected. */ + portMPU_RNR_REG = portUNPRIVILEGED_DEVICE_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) portDEVICE_REGION_START_ADDRESS ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_READ_WRITE ) | + ( portMPU_REGION_EXECUTE_NEVER ); + portMPU_RLAR_REG = ( ( ( uint32_t ) portDEVICE_REGION_END_ADDRESS ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX1 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Enable mem fault. */ + portSCB_SYS_HANDLER_CTRL_STATE_REG |= portSCB_MEM_FAULT_ENABLE; + + /* Enable MPU with privileged background access i.e. unmapped + * regions have privileged access. */ + portMPU_CTRL_REG |= ( portMPU_PRIV_BACKGROUND_ENABLE | portMPU_ENABLE ); + } + } +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +#if( configENABLE_FPU == 1 ) + static void prvSetupFPU( void ) /* PRIVILEGED_FUNCTION */ + { + #if( configENABLE_TRUSTZONE == 1 ) + { + /* Enable non-secure access to the FPU. */ + SecureInit_EnableNSFPUAccess(); + } + #endif /* configENABLE_TRUSTZONE */ + + /* CP10 = 11 ==> Full access to FPU i.e. both privileged and + * unprivileged code should be able to access FPU. CP11 should be + * programmed to the same value as CP10. */ + *( portCPACR ) |= ( ( portCPACR_CP10_VALUE << portCPACR_CP10_POS ) | + ( portCPACR_CP11_VALUE << portCPACR_CP11_POS ) + ); + + /* ASPEN = 1 ==> Hardware should automatically preserve floating point + * context on exception entry and restore on exception return. + * LSPEN = 1 ==> Enable lazy context save of FP state. */ + *( portFPCCR ) |= ( portFPCCR_ASPEN_MASK | portFPCCR_LSPEN_MASK ); + } +#endif /* configENABLE_FPU */ +/*-----------------------------------------------------------*/ + +void vPortYield( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Set a PendSV to request a context switch. */ + *( portNVIC_INT_CTRL ) = portNVIC_PENDSVSET; + + /* Barriers are normally not required but do ensure the code is + * completely within the specified behaviour for the architecture. */ + __asm volatile( "dsb" ::: "memory" ); + __asm volatile( "isb" ); +} +/*-----------------------------------------------------------*/ + +void vPortEnterCritical( void ) /* PRIVILEGED_FUNCTION */ +{ + portDISABLE_INTERRUPTS(); + ulCriticalNesting++; + + /* Barriers are normally not required but do ensure the code is + * completely within the specified behaviour for the architecture. */ + __asm volatile( "dsb" ::: "memory" ); + __asm volatile( "isb" ); +} +/*-----------------------------------------------------------*/ + +void vPortExitCritical( void ) /* PRIVILEGED_FUNCTION */ +{ + configASSERT( ulCriticalNesting ); + ulCriticalNesting--; + + if( ulCriticalNesting == 0 ) + { + portENABLE_INTERRUPTS(); + } +} +/*-----------------------------------------------------------*/ + +void SysTick_Handler( void ) /* PRIVILEGED_FUNCTION */ +{ +uint32_t ulPreviousMask; + + ulPreviousMask = portSET_INTERRUPT_MASK_FROM_ISR(); + { + /* Increment the RTOS tick. */ + if( xTaskIncrementTick() != pdFALSE ) + { + /* Pend a context switch. */ + *( portNVIC_INT_CTRL ) = portNVIC_PENDSVSET; + } + } + portCLEAR_INTERRUPT_MASK_FROM_ISR( ulPreviousMask ); +} +/*-----------------------------------------------------------*/ + +void vPortSVCHandler_C( uint32_t *pulCallerStackAddress ) /* PRIVILEGED_FUNCTION */ +{ +#if( configENABLE_MPU == 1 ) + #if defined( __ARMCC_VERSION ) + /* Declaration when these variable are defined in code instead of being + * exported from linker scripts. */ + extern uint32_t * __syscalls_flash_start__; + extern uint32_t * __syscalls_flash_end__; + #else + /* Declaration when these variable are exported from linker scripts. */ + extern uint32_t __syscalls_flash_start__[]; + extern uint32_t __syscalls_flash_end__[]; + #endif /* defined( __ARMCC_VERSION ) */ +#endif /* configENABLE_MPU */ + +uint32_t ulPC; + +#if( configENABLE_TRUSTZONE == 1 ) + uint32_t ulR0; + #if( configENABLE_MPU == 1 ) + uint32_t ulControl, ulIsTaskPrivileged; + #endif /* configENABLE_MPU */ +#endif /* configENABLE_TRUSTZONE */ +uint8_t ucSVCNumber; + + /* Register are stored on the stack in the following order - R0, R1, R2, R3, + * R12, LR, PC, xPSR. */ + ulPC = pulCallerStackAddress[ 6 ]; + ucSVCNumber = ( ( uint8_t *) ulPC )[ -2 ]; + + switch( ucSVCNumber ) + { + #if( configENABLE_TRUSTZONE == 1 ) + case portSVC_ALLOCATE_SECURE_CONTEXT: + { + /* R0 contains the stack size passed as parameter to the + * vPortAllocateSecureContext function. */ + ulR0 = pulCallerStackAddress[ 0 ]; + + #if( configENABLE_MPU == 1 ) + { + /* Read the CONTROL register value. */ + __asm volatile ( "mrs %0, control" : "=r" ( ulControl ) ); + + /* The task that raised the SVC is privileged if Bit[0] + * in the CONTROL register is 0. */ + ulIsTaskPrivileged = ( ( ulControl & portCONTROL_PRIVILEGED_MASK ) == 0 ); + + /* Allocate and load a context for the secure task. */ + xSecureContext = SecureContext_AllocateContext( ulR0, ulIsTaskPrivileged ); + } + #else + { + /* Allocate and load a context for the secure task. */ + xSecureContext = SecureContext_AllocateContext( ulR0 ); + } + #endif /* configENABLE_MPU */ + + configASSERT( xSecureContext != NULL ); + SecureContext_LoadContext( xSecureContext ); + } + break; + + case portSVC_FREE_SECURE_CONTEXT: + { + /* R0 contains the secure context handle to be freed. */ + ulR0 = pulCallerStackAddress[ 0 ]; + + /* Free the secure context. */ + SecureContext_FreeContext( ( SecureContextHandle_t ) ulR0 ); + } + break; + #endif /* configENABLE_TRUSTZONE */ + + case portSVC_START_SCHEDULER: + { + #if( configENABLE_TRUSTZONE == 1 ) + { + /* De-prioritize the non-secure exceptions so that the + * non-secure pendSV runs at the lowest priority. */ + SecureInit_DePrioritizeNSExceptions(); + + /* Initialize the secure context management system. */ + SecureContext_Init(); + } + #endif /* configENABLE_TRUSTZONE */ + + #if( configENABLE_FPU == 1 ) + { + /* Setup the Floating Point Unit (FPU). */ + prvSetupFPU(); + } + #endif /* configENABLE_FPU */ + + /* Setup the context of the first task so that the first task starts + * executing. */ + vRestoreContextOfFirstTask(); + } + break; + + #if( configENABLE_MPU == 1 ) + case portSVC_RAISE_PRIVILEGE: + { + /* Only raise the privilege, if the svc was raised from any of + * the system calls. */ + if( ulPC >= ( uint32_t ) __syscalls_flash_start__ && + ulPC <= ( uint32_t ) __syscalls_flash_end__ ) + { + vRaisePrivilege(); + } + } + break; + #endif /* configENABLE_MPU */ + + default: + { + /* Incorrect SVC call. */ + configASSERT( pdFALSE ); + } + } +} +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, StackType_t *pxEndOfStack, TaskFunction_t pxCode, void *pvParameters, BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */ +#else + StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, StackType_t *pxEndOfStack, TaskFunction_t pxCode, void *pvParameters ) /* PRIVILEGED_FUNCTION */ +#endif /* configENABLE_MPU */ +{ + /* Simulate the stack frame as it would be created by a context switch + * interrupt. */ + #if( portPRELOAD_REGISTERS == 0 ) + { + pxTopOfStack--; /* Offset added to account for the way the MCU uses the stack on entry/exit of interrupts. */ + *pxTopOfStack = portINITIAL_XPSR; /* xPSR */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxCode; /* PC */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* LR */ + pxTopOfStack -= 5; /* R12, R3, R2 and R1. */ + *pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */ + pxTopOfStack -= 9; /* R11..R4, EXC_RETURN. */ + *pxTopOfStack = portINITIAL_EXC_RETURN; + + #if( configENABLE_MPU == 1 ) + { + pxTopOfStack--; + if( xRunPrivileged == pdTRUE ) + { + *pxTopOfStack = portINITIAL_CONTROL_PRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + else + { + *pxTopOfStack = portINITIAL_CONTROL_UNPRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + } + #endif /* configENABLE_MPU */ + + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxEndOfStack; /* Slot used to hold this task's PSPLIM value. */ + + #if( configENABLE_TRUSTZONE == 1 ) + { + pxTopOfStack--; + *pxTopOfStack = portNO_SECURE_CONTEXT; /* Slot used to hold this task's xSecureContext value. */ + } + #endif /* configENABLE_TRUSTZONE */ + } + #else /* portPRELOAD_REGISTERS */ + { + pxTopOfStack--; /* Offset added to account for the way the MCU uses the stack on entry/exit of interrupts. */ + *pxTopOfStack = portINITIAL_XPSR; /* xPSR */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxCode; /* PC */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* LR */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x12121212UL; /* R12 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x03030303UL; /* R3 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x02020202UL; /* R2 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x01010101UL; /* R1 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x11111111UL; /* R11 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x10101010UL; /* R10 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x09090909UL; /* R09 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x08080808UL; /* R08 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x07070707UL; /* R07 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x06060606UL; /* R06 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x05050505UL; /* R05 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x04040404UL; /* R04 */ + pxTopOfStack--; + *pxTopOfStack = portINITIAL_EXC_RETURN; /* EXC_RETURN */ + + #if( configENABLE_MPU == 1 ) + { + pxTopOfStack--; + if( xRunPrivileged == pdTRUE ) + { + *pxTopOfStack = portINITIAL_CONTROL_PRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + else + { + *pxTopOfStack = portINITIAL_CONTROL_UNPRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + } + #endif /* configENABLE_MPU */ + + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxEndOfStack; /* Slot used to hold this task's PSPLIM value. */ + + #if( configENABLE_TRUSTZONE == 1 ) + { + pxTopOfStack--; + *pxTopOfStack = portNO_SECURE_CONTEXT; /* Slot used to hold this task's xSecureContext value. */ + } + #endif /* configENABLE_TRUSTZONE */ + } + #endif /* portPRELOAD_REGISTERS */ + + return pxTopOfStack; +} +/*-----------------------------------------------------------*/ + +BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Make PendSV, CallSV and SysTick the same priority as the kernel. */ + *( portNVIC_SYSPRI2 ) |= portNVIC_PENDSV_PRI; + *( portNVIC_SYSPRI2 ) |= portNVIC_SYSTICK_PRI; + + #if( configENABLE_MPU == 1 ) + { + /* Setup the Memory Protection Unit (MPU). */ + prvSetupMPU(); + } + #endif /* configENABLE_MPU */ + + /* Start the timer that generates the tick ISR. Interrupts are disabled + * here already. */ + prvSetupTimerInterrupt(); + + /* Initialize the critical nesting count ready for the first task. */ + ulCriticalNesting = 0; + + /* Start the first task. */ + vStartFirstTask(); + + /* Should never get here as the tasks will now be executing. Call the task + * exit error function to prevent compiler warnings about a static function + * not being called in the case that the application writer overrides this + * functionality by defining configTASK_RETURN_ADDRESS. Call + * vTaskSwitchContext() so link time optimization does not remove the + * symbol. */ + vTaskSwitchContext(); + prvTaskExitError(); + + /* Should not get here. */ + return 0; +} +/*-----------------------------------------------------------*/ + +void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Not implemented in ports where there is nothing to return to. + * Artificially force an assert. */ + configASSERT( ulCriticalNesting == 1000UL ); +} +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + void vPortStoreTaskMPUSettings( xMPU_SETTINGS *xMPUSettings, const struct xMEMORY_REGION * const xRegions, StackType_t *pxBottomOfStack, uint32_t ulStackDepth ) + { + uint32_t ulRegionStartAddress, ulRegionEndAddress, ulRegionNumber; + int32_t lIndex = 0; + + /* Setup MAIR0. */ + xMPUSettings->ulMAIR0 = ( ( portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE << portMPU_MAIR_ATTR0_POS ) & portMPU_MAIR_ATTR0_MASK ); + xMPUSettings->ulMAIR0 |= ( ( portMPU_DEVICE_MEMORY_nGnRE << portMPU_MAIR_ATTR1_POS ) & portMPU_MAIR_ATTR1_MASK ); + + /* This function is called automatically when the task is created - in + * which case the stack region parameters will be valid. At all other + * times the stack parameters will not be valid and it is assumed that + * the stack region has already been configured. */ + if( ulStackDepth > 0 ) + { + /* Define the region that allows access to the stack. */ + ulRegionStartAddress = ( ( uint32_t ) pxBottomOfStack ) & portMPU_RBAR_ADDRESS_MASK; + ulRegionEndAddress = ( uint32_t ) pxBottomOfStack + ( ulStackDepth * ( uint32_t ) sizeof( StackType_t ) ) - 1; + ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK; + + xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = ( ulRegionStartAddress ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_READ_WRITE ) | + ( portMPU_REGION_EXECUTE_NEVER ); + + xMPUSettings->xRegionsSettings[ 0 ].ulRLAR = ( ulRegionEndAddress ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + } + + /* User supplied configurable regions. */ + for( ulRegionNumber = 1; ulRegionNumber <= portNUM_CONFIGURABLE_REGIONS; ulRegionNumber++ ) + { + /* If xRegions is NULL i.e. the task has not specified any MPU + * region, the else part ensures that all the configurable MPU + * regions are invalidated. */ + if( ( xRegions != NULL ) && ( xRegions[ lIndex ].ulLengthInBytes > 0UL ) ) + { + /* Translate the generic region definition contained in xRegions + * into the ARMv8 specific MPU settings that are then stored in + * xMPUSettings. */ + ulRegionStartAddress = ( ( uint32_t ) xRegions[ lIndex ].pvBaseAddress ) & portMPU_RBAR_ADDRESS_MASK; + ulRegionEndAddress = ( uint32_t ) xRegions[ lIndex ].pvBaseAddress + xRegions[ lIndex ].ulLengthInBytes - 1; + ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK; + + /* Start address. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR = ( ulRegionStartAddress ) | + ( portMPU_REGION_NON_SHAREABLE ); + + /* RO/RW. */ + if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_READ_ONLY ) != 0 ) + { + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR |= ( portMPU_REGION_READ_ONLY ); + } + else + { + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR |= ( portMPU_REGION_READ_WRITE ); + } + + /* XN. */ + if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_EXECUTE_NEVER ) != 0 ) + { + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR |= ( portMPU_REGION_EXECUTE_NEVER ); + } + + /* End Address. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Normal memory/ Device memory. */ + if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 ) + { + /* Attr1 in MAIR0 is configured as device memory. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= portMPU_RLAR_ATTR_INDEX1; + } + else + { + /* Attr1 in MAIR0 is configured as normal memory. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= portMPU_RLAR_ATTR_INDEX0; + } + } + else + { + /* Invalidate the region. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR = 0UL; + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = 0UL; + } + + lIndex++; + } + } +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/portasm.c b/FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/portasm.c new file mode 100644 index 000000000..0485923e3 --- /dev/null +++ b/FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/portasm.c @@ -0,0 +1,381 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Standard includes. */ +#include + +/* Portasm includes. */ +#include "portasm.h" + +void vRestoreContextOfFirstTask( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " .syntax unified \n" + " \n" + " ldr r2, pxCurrentTCBConst2 \n" /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + " ldr r3, [r2] \n" /* Read pxCurrentTCB. */ + " ldr r0, [r3] \n" /* Read top of stack from TCB - The first item in pxCurrentTCB is the task top of stack. */ + " \n" + #if( configENABLE_MPU == 1 ) + " adds r3, #4 \n" /* r3 = r3 + 4. r3 now points to MAIR0 in TCB. */ + " ldr r4, [r3] \n" /* r4 = *r3 i.e. r4 = MAIR0. */ + " ldr r2, xMAIR0Const2 \n" /* r2 = 0xe000edc0 [Location of MAIR0]. */ + " str r4, [r2] \n" /* Program MAIR0. */ + " ldr r2, xRNRConst2 \n" /* r2 = 0xe000ed98 [Location of RNR]. */ + " movs r4, #4 \n" /* r4 = 4. */ + " str r4, [r2] \n" /* Program RNR = 4. */ + " adds r3, #4 \n" /* r3 = r3 + 4. r3 now points to first RBAR in TCB. */ + " ldr r2, xRBARConst2 \n" /* r2 = 0xe000ed9c [Location of RBAR]. */ + " ldmia r3!, {r4-r11} \n" /* Read 4 set of RBAR/RLAR registers from TCB. */ + " stmia r2!, {r4-r11} \n" /* Write 4 set of RBAR/RLAR registers using alias registers. */ + #endif /* configENABLE_MPU */ + " \n" + #if( configENABLE_MPU == 1 ) + " ldm r0!, {r1-r4} \n" /* Read from stack - r1 = xSecureContext, r2 = PSPLIM, r3 = CONTROL and r4 = EXC_RETURN. */ + " ldr r5, xSecureContextConst2 \n" + " str r1, [r5] \n" /* Set xSecureContext to this task's value for the same. */ + " msr psplim, r2 \n" /* Set this task's PSPLIM value. */ + " msr control, r3 \n" /* Set this task's CONTROL value. */ + " adds r0, #32 \n" /* Discard everything up to r0. */ + " msr psp, r0 \n" /* This is now the new top of stack to use in the task. */ + " isb \n" + " bx r4 \n" /* Finally, branch to EXC_RETURN. */ + #else /* configENABLE_MPU */ + " ldm r0!, {r1-r3} \n" /* Read from stack - r1 = xSecureContext, r2 = PSPLIM and r3 = EXC_RETURN. */ + " ldr r4, xSecureContextConst2 \n" + " str r1, [r4] \n" /* Set xSecureContext to this task's value for the same. */ + " msr psplim, r2 \n" /* Set this task's PSPLIM value. */ + " movs r1, #2 \n" /* r1 = 2. */ + " msr CONTROL, r1 \n" /* Switch to use PSP in the thread mode. */ + " adds r0, #32 \n" /* Discard everything up to r0. */ + " msr psp, r0 \n" /* This is now the new top of stack to use in the task. */ + " isb \n" + " bx r3 \n" /* Finally, branch to EXC_RETURN. */ + #endif /* configENABLE_MPU */ + " \n" + " .align 4 \n" + "pxCurrentTCBConst2: .word pxCurrentTCB \n" + "xSecureContextConst2: .word xSecureContext \n" + #if( configENABLE_MPU == 1 ) + "xMAIR0Const2: .word 0xe000edc0 \n" + "xRNRConst2: .word 0xe000ed98 \n" + "xRBARConst2: .word 0xe000ed9c \n" + #endif /* configENABLE_MPU */ + ); +} +/*-----------------------------------------------------------*/ + +BaseType_t xIsPrivileged( void ) /* __attribute__ (( naked )) */ +{ + __asm volatile + ( + " mrs r0, control \n" /* r0 = CONTROL. */ + " tst r0, #1 \n" /* Perform r0 & 1 (bitwise AND) and update the conditions flag. */ + " ite ne \n" + " movne r0, #0 \n" /* CONTROL[0]!=0. Return false to indicate that the processor is not privileged. */ + " moveq r0, #1 \n" /* CONTROL[0]==0. Return true to indicate that the processor is privileged. */ + " bx lr \n" /* Return. */ + " \n" + " .align 4 \n" + ::: "r0", "memory" + ); +} +/*-----------------------------------------------------------*/ + +void vRaisePrivilege( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " mrs r0, control \n" /* Read the CONTROL register. */ + " bic r0, #1 \n" /* Clear the bit 0. */ + " msr control, r0 \n" /* Write back the new CONTROL value. */ + " bx lr \n" /* Return to the caller. */ + ::: "r0", "memory" + ); +} +/*-----------------------------------------------------------*/ + +void vResetPrivilege( void ) /* __attribute__ (( naked )) */ +{ + __asm volatile + ( + " mrs r0, control \n" /* r0 = CONTROL. */ + " orr r0, #1 \n" /* r0 = r0 | 1. */ + " msr control, r0 \n" /* CONTROL = r0. */ + " bx lr \n" /* Return to the caller. */ + :::"r0", "memory" + ); +} +/*-----------------------------------------------------------*/ + +void vStartFirstTask( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " ldr r0, xVTORConst \n" /* Use the NVIC offset register to locate the stack. */ + " ldr r0, [r0] \n" /* Read the VTOR register which gives the address of vector table. */ + " ldr r0, [r0] \n" /* The first entry in vector table is stack pointer. */ + " msr msp, r0 \n" /* Set the MSP back to the start of the stack. */ + " cpsie i \n" /* Globally enable interrupts. */ + " cpsie f \n" + " dsb \n" + " isb \n" + " svc %0 \n" /* System call to start the first task. */ + " nop \n" + " \n" + " .align 4 \n" + "xVTORConst: .word 0xe000ed08 \n" + :: "i" ( portSVC_START_SCHEDULER ) : "memory" + ); +} +/*-----------------------------------------------------------*/ + +uint32_t ulSetInterruptMaskFromISR( void ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " mrs r0, PRIMASK \n" + " cpsid i \n" + " bx lr \n" + ::: "memory" + ); + +#if !defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) + /* To avoid compiler warnings. The return statement will never be reached, + * but some compilers warn if it is not included, while others won't compile + * if it is. */ + return 0; +#endif +} +/*-----------------------------------------------------------*/ + +void vClearInterruptMaskFromISR( __attribute__( ( unused ) ) uint32_t ulMask ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " msr PRIMASK, r0 \n" + " bx lr \n" + ::: "memory" + ); + +#if !defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) + /* Just to avoid compiler warning. ulMask is used from the asm code but + * the compiler can't see that. Some compilers generate warnings without + * the following line, while others generate warnings if the line is + * included. */ + ( void ) ulMask; +#endif +} +/*-----------------------------------------------------------*/ + +void PendSV_Handler( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " .syntax unified \n" + " .extern SecureContext_SaveContext \n" + " .extern SecureContext_LoadContext \n" + " \n" + " mrs r1, psp \n" /* Read PSP in r1. */ + " ldr r2, xSecureContextConst \n" /* Read the location of xSecureContext i.e. &( xSecureContext ). */ + " ldr r0, [r2] \n" /* Read xSecureContext - Value of xSecureContext must be in r0 as it is used as a parameter later. */ + " \n" + " cbz r0, save_ns_context \n" /* No secure context to save. */ + " push {r0-r2, r14} \n" + " bl SecureContext_SaveContext \n" + " pop {r0-r3} \n" /* LR is now in r3. */ + " mov lr, r3 \n" /* LR = r3. */ + " lsls r2, r3, #25 \n" /* r2 = r3 << 25. Bit[6] of EXC_RETURN is 1 if secure stack was used, 0 if non-secure stack was used to store stack frame. */ + " bpl save_ns_context \n" /* bpl - branch if positive or zero. If r2 >= 0 ==> Bit[6] in EXC_RETURN is 0 i.e. non-secure stack was used. */ + " ldr r3, pxCurrentTCBConst \n" /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + " ldr r2, [r3] \n" /* Read pxCurrentTCB. */ + #if( configENABLE_MPU == 1 ) + " subs r1, r1, #16 \n" /* Make space for xSecureContext, PSPLIM, CONTROL and LR on the stack. */ + " str r1, [r2] \n" /* Save the new top of stack in TCB. */ + " mrs r2, psplim \n" /* r2 = PSPLIM. */ + " mrs r3, control \n" /* r3 = CONTROL. */ + " mov r4, lr \n" /* r4 = LR/EXC_RETURN. */ + " stmia r1!, {r0, r2-r4} \n" /* Store xSecureContext, PSPLIM, CONTROL and LR on the stack. */ + #else /* configENABLE_MPU */ + " subs r1, r1, #12 \n" /* Make space for xSecureContext, PSPLIM and LR on the stack. */ + " str r1, [r2] \n" /* Save the new top of stack in TCB. */ + " mrs r2, psplim \n" /* r2 = PSPLIM. */ + " mov r3, lr \n" /* r3 = LR/EXC_RETURN. */ + " stmia r1!, {r0, r2-r3} \n" /* Store xSecureContext, PSPLIM and LR on the stack. */ + #endif /* configENABLE_MPU */ + " b select_next_task \n" + " \n" + " save_ns_context: \n" + " ldr r3, pxCurrentTCBConst \n" /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + " ldr r2, [r3] \n" /* Read pxCurrentTCB. */ + #if( configENABLE_FPU == 1 ) + " tst lr, #0x10 \n" /* Test Bit[4] in LR. Bit[4] of EXC_RETURN is 0 if the FPU is in use. */ + " it eq \n" + " vstmdbeq r1!, {s16-s31} \n" /* Store the FPU registers which are not saved automatically. */ + #endif /* configENABLE_FPU */ + #if( configENABLE_MPU == 1 ) + " subs r1, r1, #48 \n" /* Make space for xSecureContext, PSPLIM, CONTROL, LR and the remaining registers on the stack. */ + " str r1, [r2] \n" /* Save the new top of stack in TCB. */ + " adds r1, r1, #16 \n" /* r1 = r1 + 16. */ + " stm r1, {r4-r11} \n" /* Store the registers that are not saved automatically. */ + " mrs r2, psplim \n" /* r2 = PSPLIM. */ + " mrs r3, control \n" /* r3 = CONTROL. */ + " mov r4, lr \n" /* r4 = LR/EXC_RETURN. */ + " subs r1, r1, #16 \n" /* r1 = r1 - 16. */ + " stm r1, {r0, r2-r4} \n" /* Store xSecureContext, PSPLIM, CONTROL and LR on the stack. */ + #else /* configENABLE_MPU */ + " subs r1, r1, #44 \n" /* Make space for xSecureContext, PSPLIM, LR and the remaining registers on the stack. */ + " str r1, [r2] \n" /* Save the new top of stack in TCB. */ + " adds r1, r1, #12 \n" /* r1 = r1 + 12. */ + " stm r1, {r4-r11} \n" /* Store the registers that are not saved automatically. */ + " mrs r2, psplim \n" /* r2 = PSPLIM. */ + " mov r3, lr \n" /* r3 = LR/EXC_RETURN. */ + " subs r1, r1, #12 \n" /* r1 = r1 - 12. */ + " stmia r1!, {r0, r2-r3} \n" /* Store xSecureContext, PSPLIM and LR on the stack. */ + #endif /* configENABLE_MPU */ + " \n" + " select_next_task: \n" + " cpsid i \n" + " bl vTaskSwitchContext \n" + " cpsie i \n" + " \n" + " ldr r2, pxCurrentTCBConst \n" /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + " ldr r3, [r2] \n" /* Read pxCurrentTCB. */ + " ldr r1, [r3] \n" /* The first item in pxCurrentTCB is the task top of stack. r1 now points to the top of stack. */ + " \n" + #if( configENABLE_MPU == 1 ) + " adds r3, #4 \n" /* r3 = r3 + 4. r3 now points to MAIR0 in TCB. */ + " ldr r4, [r3] \n" /* r4 = *r3 i.e. r4 = MAIR0. */ + " ldr r2, xMAIR0Const \n" /* r2 = 0xe000edc0 [Location of MAIR0]. */ + " str r4, [r2] \n" /* Program MAIR0. */ + " ldr r2, xRNRConst \n" /* r2 = 0xe000ed98 [Location of RNR]. */ + " movs r4, #4 \n" /* r4 = 4. */ + " str r4, [r2] \n" /* Program RNR = 4. */ + " adds r3, #4 \n" /* r3 = r3 + 4. r3 now points to first RBAR in TCB. */ + " ldr r2, xRBARConst \n" /* r2 = 0xe000ed9c [Location of RBAR]. */ + " ldmia r3!, {r4-r11} \n" /* Read 4 sets of RBAR/RLAR registers from TCB. */ + " stmia r2!, {r4-r11} \n" /* Write 4 set of RBAR/RLAR registers using alias registers. */ + #endif /* configENABLE_MPU */ + " \n" + #if( configENABLE_MPU == 1 ) + " ldmia r1!, {r0, r2-r4} \n" /* Read from stack - r0 = xSecureContext, r2 = PSPLIM, r3 = CONTROL and r4 = LR. */ + " msr psplim, r2 \n" /* Restore the PSPLIM register value for the task. */ + " msr control, r3 \n" /* Restore the CONTROL register value for the task. */ + " mov lr, r4 \n" /* LR = r4. */ + " ldr r2, xSecureContextConst \n" /* Read the location of xSecureContext i.e. &( xSecureContext ). */ + " str r0, [r2] \n" /* Restore the task's xSecureContext. */ + " cbz r0, restore_ns_context \n" /* If there is no secure context for the task, restore the non-secure context. */ + " push {r1,r4} \n" + " bl SecureContext_LoadContext \n" /* Restore the secure context. */ + " pop {r1,r4} \n" + " mov lr, r4 \n" /* LR = r4. */ + " lsls r2, r4, #25 \n" /* r2 = r4 << 25. Bit[6] of EXC_RETURN is 1 if secure stack was used, 0 if non-secure stack was used to store stack frame. */ + " bpl restore_ns_context \n" /* bpl - branch if positive or zero. If r2 >= 0 ==> Bit[6] in EXC_RETURN is 0 i.e. non-secure stack was used. */ + " msr psp, r1 \n" /* Remember the new top of stack for the task. */ + " bx lr \n" + #else /* configENABLE_MPU */ + " ldmia r1!, {r0, r2-r3} \n" /* Read from stack - r0 = xSecureContext, r2 = PSPLIM and r3 = LR. */ + " msr psplim, r2 \n" /* Restore the PSPLIM register value for the task. */ + " mov lr, r3 \n" /* LR = r3. */ + " ldr r2, xSecureContextConst \n" /* Read the location of xSecureContext i.e. &( xSecureContext ). */ + " str r0, [r2] \n" /* Restore the task's xSecureContext. */ + " cbz r0, restore_ns_context \n" /* If there is no secure context for the task, restore the non-secure context. */ + " push {r1,r3} \n" + " bl SecureContext_LoadContext \n" /* Restore the secure context. */ + " pop {r1,r3} \n" + " mov lr, r3 \n" /* LR = r3. */ + " lsls r2, r3, #25 \n" /* r2 = r3 << 25. Bit[6] of EXC_RETURN is 1 if secure stack was used, 0 if non-secure stack was used to store stack frame. */ + " bpl restore_ns_context \n" /* bpl - branch if positive or zero. If r2 >= 0 ==> Bit[6] in EXC_RETURN is 0 i.e. non-secure stack was used. */ + " msr psp, r1 \n" /* Remember the new top of stack for the task. */ + " bx lr \n" + #endif /* configENABLE_MPU */ + " \n" + " restore_ns_context: \n" + " ldmia r1!, {r4-r11} \n" /* Restore the registers that are not automatically restored. */ + #if( configENABLE_FPU == 1 ) + " tst lr, #0x10 \n" /* Test Bit[4] in LR. Bit[4] of EXC_RETURN is 0 if the FPU is in use. */ + " it eq \n" + " vldmiaeq r1!, {s16-s31} \n" /* Restore the FPU registers which are not restored automatically. */ + #endif /* configENABLE_FPU */ + " msr psp, r1 \n" /* Remember the new top of stack for the task. */ + " bx lr \n" + " \n" + " .align 4 \n" + "pxCurrentTCBConst: .word pxCurrentTCB \n" + "xSecureContextConst: .word xSecureContext \n" + #if( configENABLE_MPU == 1 ) + "xMAIR0Const: .word 0xe000edc0 \n" + "xRNRConst: .word 0xe000ed98 \n" + "xRBARConst: .word 0xe000ed9c \n" + #endif /* configENABLE_MPU */ + ); +} +/*-----------------------------------------------------------*/ + +void SVC_Handler( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " tst lr, #4 \n" + " ite eq \n" + " mrseq r0, msp \n" + " mrsne r0, psp \n" + " ldr r1, svchandler_address_const \n" + " bx r1 \n" + " \n" + " .align 4 \n" + "svchandler_address_const: .word vPortSVCHandler_C \n" + ); +} +/*-----------------------------------------------------------*/ + +void vPortAllocateSecureContext( uint32_t ulSecureStackSize ) /* __attribute__ (( naked )) */ +{ + __asm volatile + ( + " svc %0 \n" /* Secure context is allocated in the supervisor call. */ + " bx lr \n" /* Return. */ + :: "i" ( portSVC_ALLOCATE_SECURE_CONTEXT ) : "memory" + ); +} +/*-----------------------------------------------------------*/ + +void vPortFreeSecureContext( uint32_t *pulTCB ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " ldr r1, [r0] \n" /* The first item in the TCB is the top of the stack. */ + " ldr r0, [r1] \n" /* The first item on the stack is the task's xSecureContext. */ + " cmp r0, #0 \n" /* Raise svc if task's xSecureContext is not NULL. */ + " it ne \n" + " svcne %0 \n" /* Secure context is freed in the supervisor call. */ + " bx lr \n" /* Return. */ + :: "i" ( portSVC_FREE_SECURE_CONTEXT ) : "memory" + ); +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/portasm.h b/FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/portasm.h new file mode 100644 index 000000000..63ebf136e --- /dev/null +++ b/FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/portasm.h @@ -0,0 +1,113 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __PORT_ASM_H__ +#define __PORT_ASM_H__ + +/* Scheduler includes. */ +#include "FreeRTOS.h" + +/* MPU wrappers includes. */ +#include "mpu_wrappers.h" + +/** + * @brief Restore the context of the first task so that the first task starts + * executing. + */ +void vRestoreContextOfFirstTask( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Checks whether or not the processor is privileged. + * + * @return 1 if the processor is already privileged, 0 otherwise. + */ +BaseType_t xIsPrivileged( void ) __attribute__ (( naked )); + +/** + * @brief Raises the privilege level by clearing the bit 0 of the CONTROL + * register. + * + * @note This is a privileged function and should only be called from the kenrel + * code. + * + * Bit 0 of the CONTROL register defines the privilege level of Thread Mode. + * Bit[0] = 0 --> The processor is running privileged + * Bit[0] = 1 --> The processor is running unprivileged. + */ +void vRaisePrivilege( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Lowers the privilege level by setting the bit 0 of the CONTROL + * register. + * + * Bit 0 of the CONTROL register defines the privilege level of Thread Mode. + * Bit[0] = 0 --> The processor is running privileged + * Bit[0] = 1 --> The processor is running unprivileged. + */ +void vResetPrivilege( void ) __attribute__ (( naked )); + +/** + * @brief Starts the first task. + */ +void vStartFirstTask( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Disables interrupts. + */ +uint32_t ulSetInterruptMaskFromISR( void ) __attribute__(( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Enables interrupts. + */ +void vClearInterruptMaskFromISR( uint32_t ulMask ) __attribute__(( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief PendSV Exception handler. + */ +void PendSV_Handler( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief SVC Handler. + */ +void SVC_Handler( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Allocate a Secure context for the calling task. + * + * @param[in] ulSecureStackSize The size of the stack to be allocated on the + * secure side for the calling task. + */ +void vPortAllocateSecureContext( uint32_t ulSecureStackSize ) __attribute__ (( naked )); + +/** + * @brief Free the task's secure context. + * + * @param[in] pulTCB Pointer to the Task Control Block (TCB) of the task. + */ +void vPortFreeSecureContext( uint32_t *pulTCB ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +#endif /* __PORT_ASM_H__ */ diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/portmacro.h b/FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/portmacro.h new file mode 100644 index 000000000..09d072352 --- /dev/null +++ b/FreeRTOS/Source/portable/GCC/ARM_CM33/non_secure/portmacro.h @@ -0,0 +1,281 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef PORTMACRO_H +#define PORTMACRO_H + +#ifdef __cplusplus +extern "C" { +#endif + +/*------------------------------------------------------------------------------ + * Port specific definitions. + * + * The settings in this file configure FreeRTOS correctly for the given hardware + * and compiler. + * + * These settings should not be altered. + *------------------------------------------------------------------------------ + */ + +/** + * @brief Type definitions. + */ +#define portCHAR char +#define portFLOAT float +#define portDOUBLE double +#define portLONG long +#define portSHORT short +#define portSTACK_TYPE uint32_t +#define portBASE_TYPE long + +typedef portSTACK_TYPE StackType_t; +typedef long BaseType_t; +typedef unsigned long UBaseType_t; + +#if( configUSE_16_BIT_TICKS == 1 ) + typedef uint16_t TickType_t; + #define portMAX_DELAY ( TickType_t ) 0xffff +#else + typedef uint32_t TickType_t; + #define portMAX_DELAY ( TickType_t ) 0xffffffffUL + + /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do + * not need to be guarded with a critical section. */ + #define portTICK_TYPE_IS_ATOMIC 1 +#endif +/*-----------------------------------------------------------*/ + +/** + * Architecture specifics. + */ +#define portSTACK_GROWTH ( -1 ) +#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) +#define portBYTE_ALIGNMENT 8 +#define portNOP() +#define portINLINE __inline +#ifndef portFORCE_INLINE + #define portFORCE_INLINE inline __attribute__(( always_inline )) +#endif +#define portHAS_STACK_OVERFLOW_CHECKING 1 +/*-----------------------------------------------------------*/ + +/** + * @brief Extern declarations. + */ +extern void vPortYield( void ) /* PRIVILEGED_FUNCTION */; + +extern void vPortEnterCritical( void ) /* PRIVILEGED_FUNCTION */; +extern void vPortExitCritical( void ) /* PRIVILEGED_FUNCTION */; + +extern uint32_t ulSetInterruptMaskFromISR( void ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */; +extern void vClearInterruptMaskFromISR( uint32_t ulMask ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */; + +#if( configENABLE_TRUSTZONE == 1 ) + extern void vPortAllocateSecureContext( uint32_t ulSecureStackSize ); + extern void vPortFreeSecureContext( uint32_t *pulTCB ) /* PRIVILEGED_FUNCTION */; +#endif /* configENABLE_TRUSTZONE */ + +#if( configENABLE_MPU == 1 ) + extern BaseType_t xIsPrivileged( void ) /* __attribute__ (( naked )) */; + extern void vResetPrivilege( void ) /* __attribute__ (( naked )) */; +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +/** + * @brief MPU specific constants. + */ +#if( configENABLE_MPU == 1 ) + #define portUSING_MPU_WRAPPERS 1 + #define portPRIVILEGE_BIT ( 0x80000000UL ) +#else + #define portPRIVILEGE_BIT ( 0x0UL ) +#endif /* configENABLE_MPU */ + + +/* MPU regions. */ +#define portPRIVILEGED_FLASH_REGION ( 0UL ) +#define portUNPRIVILEGED_FLASH_REGION ( 1UL ) +#define portPRIVILEGED_RAM_REGION ( 2UL ) +#define portUNPRIVILEGED_DEVICE_REGION ( 3UL ) +#define portSTACK_REGION ( 4UL ) +#define portFIRST_CONFIGURABLE_REGION ( 5UL ) +#define portLAST_CONFIGURABLE_REGION ( 7UL ) +#define portNUM_CONFIGURABLE_REGIONS ( ( portLAST_CONFIGURABLE_REGION - portFIRST_CONFIGURABLE_REGION ) + 1 ) +#define portTOTAL_NUM_REGIONS ( portNUM_CONFIGURABLE_REGIONS + 1 ) /* Plus one to make space for the stack region. */ + +/* Devices Region. */ +#define portDEVICE_REGION_START_ADDRESS ( 0x50000000 ) +#define portDEVICE_REGION_END_ADDRESS ( 0x5FFFFFFF ) + +/* Device memory attributes used in MPU_MAIR registers. + * + * 8-bit values encoded as follows: + * Bit[7:4] - 0000 - Device Memory + * Bit[3:2] - 00 --> Device-nGnRnE + * 01 --> Device-nGnRE + * 10 --> Device-nGRE + * 11 --> Device-GRE + * Bit[1:0] - 00, Reserved. + */ +#define portMPU_DEVICE_MEMORY_nGnRnE ( 0x00 ) /* 0000 0000 */ +#define portMPU_DEVICE_MEMORY_nGnRE ( 0x04 ) /* 0000 0100 */ +#define portMPU_DEVICE_MEMORY_nGRE ( 0x08 ) /* 0000 1000 */ +#define portMPU_DEVICE_MEMORY_GRE ( 0x0C ) /* 0000 1100 */ + +/* Normal memory attributes used in MPU_MAIR registers. */ +#define portMPU_NORMAL_MEMORY_NON_CACHEABLE ( 0x44 ) /* Non-cacheable. */ +#define portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE ( 0xFF ) /* Non-Transient, Write-back, Read-Allocate and Write-Allocate. */ + +/* Attributes used in MPU_RBAR registers. */ +#define portMPU_REGION_NON_SHAREABLE ( 0UL << 3UL ) +#define portMPU_REGION_INNER_SHAREABLE ( 1UL << 3UL ) +#define portMPU_REGION_OUTER_SHAREABLE ( 2UL << 3UL ) + +#define portMPU_REGION_PRIVILEGED_READ_WRITE ( 0UL << 1UL ) +#define portMPU_REGION_READ_WRITE ( 1UL << 1UL ) +#define portMPU_REGION_PRIVILEGED_READ_ONLY ( 2UL << 1UL ) +#define portMPU_REGION_READ_ONLY ( 3UL << 1UL ) + +#define portMPU_REGION_EXECUTE_NEVER ( 1UL ) +/*-----------------------------------------------------------*/ + +/** + * @brief Settings to define an MPU region. + */ +typedef struct MPURegionSettings +{ + uint32_t ulRBAR; /**< RBAR for the region. */ + uint32_t ulRLAR; /**< RLAR for the region. */ +} MPURegionSettings_t; + +/** + * @brief MPU settings as stored in the TCB. + */ +typedef struct MPU_SETTINGS +{ + uint32_t ulMAIR0; /**< MAIR0 for the task containing attributes for all the 4 per task regions. */ + MPURegionSettings_t xRegionsSettings[ portTOTAL_NUM_REGIONS ]; /**< Settings for 4 per task regions. */ +} xMPU_SETTINGS; +/*-----------------------------------------------------------*/ + +/** + * @brief SVC numbers. + */ +#define portSVC_ALLOCATE_SECURE_CONTEXT 0 +#define portSVC_FREE_SECURE_CONTEXT 1 +#define portSVC_START_SCHEDULER 2 +#define portSVC_RAISE_PRIVILEGE 3 +/*-----------------------------------------------------------*/ + +/** + * @brief Scheduler utilities. + */ +#define portYIELD() vPortYield() +#define portNVIC_INT_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed04 ) ) +#define portNVIC_PENDSVSET_BIT ( 1UL << 28UL ) +#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT +#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x ) +/*-----------------------------------------------------------*/ + +/** + * @brief Critical section management. + */ +#define portSET_INTERRUPT_MASK_FROM_ISR() ulSetInterruptMaskFromISR() +#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vClearInterruptMaskFromISR( x ) +#define portDISABLE_INTERRUPTS() __asm volatile ( " cpsid i " ::: "memory" ) +#define portENABLE_INTERRUPTS() __asm volatile ( " cpsie i " ::: "memory" ) +#define portENTER_CRITICAL() vPortEnterCritical() +#define portEXIT_CRITICAL() vPortExitCritical() +/*-----------------------------------------------------------*/ + +/** + * @brief Task function macros as described on the FreeRTOS.org WEB site. + */ +#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) +#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters ) +/*-----------------------------------------------------------*/ + +#if( configENABLE_TRUSTZONE == 1 ) + /** + * @brief Allocate a secure context for the task. + * + * Tasks are not created with a secure context. Any task that is going to call + * secure functions must call portALLOCATE_SECURE_CONTEXT() to allocate itself a + * secure context before it calls any secure function. + * + * @param[in] ulSecureStackSize The size of the secure stack to be allocated. + */ + #define portALLOCATE_SECURE_CONTEXT( ulSecureStackSize ) vPortAllocateSecureContext( ulSecureStackSize ) + + /** + * @brief Called when a task is deleted to delete the task's secure context, + * if it has one. + * + * @param[in] pxTCB The TCB of the task being deleted. + */ + #define portCLEAN_UP_TCB( pxTCB ) vPortFreeSecureContext( ( uint32_t * ) pxTCB ) +#else + #define portALLOCATE_SECURE_CONTEXT( ulSecureStackSize ) + #define portCLEAN_UP_TCB( pxTCB ) +#endif /* configENABLE_TRUSTZONE */ +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + /** + * @brief Checks whether or not the processor is privileged. + * + * @return 1 if the processor is already privileged, 0 otherwise. + */ + #define portIS_PRIVILEGED() xIsPrivileged() + + /** + * @brief Raise an SVC request to raise privilege. + * + * The SVC handler checks that the SVC was raised from a system call and only + * then it raises the privilege. If this is called from any other place, + * the privilege is not raised. + */ + #define portRAISE_PRIVILEGE() __asm volatile ( "svc %0 \n" :: "i" ( portSVC_RAISE_PRIVILEGE ) : "memory" ); + + /** + * @brief Lowers the privilege level by setting the bit 0 of the CONTROL + * register. + */ + #define portRESET_PRIVILEGE() vResetPrivilege() +#else + #define portIS_PRIVILEGED() + #define portRAISE_PRIVILEGE() + #define portRESET_PRIVILEGE() +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +#ifdef __cplusplus +} +#endif + +#endif /* PORTMACRO_H */ diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_context.c b/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_context.c new file mode 100644 index 000000000..b1a83160a --- /dev/null +++ b/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_context.c @@ -0,0 +1,204 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Secure context includes. */ +#include "secure_context.h" + +/* Secure heap includes. */ +#include "secure_heap.h" + +/* Secure port macros. */ +#include "secure_port_macros.h" + +/** + * @brief CONTROL value for privileged tasks. + * + * Bit[0] - 0 --> Thread mode is privileged. + * Bit[1] - 1 --> Thread mode uses PSP. + */ +#define securecontextCONTROL_VALUE_PRIVILEGED 0x02 + +/** + * @brief CONTROL value for un-privileged tasks. + * + * Bit[0] - 1 --> Thread mode is un-privileged. + * Bit[1] - 1 --> Thread mode uses PSP. + */ +#define securecontextCONTROL_VALUE_UNPRIVILEGED 0x03 +/*-----------------------------------------------------------*/ + +/** + * @brief Structure to represent secure context. + * + * @note Since stack grows down, pucStackStart is the highest address while + * pucStackLimit is the first addess of the allocated memory. + */ +typedef struct SecureContext +{ + uint8_t *pucCurrentStackPointer; /**< Current value of stack pointer (PSP). */ + uint8_t *pucStackLimit; /**< Last location of the stack memory (PSPLIM). */ + uint8_t *pucStackStart; /**< First location of the stack memory. */ +} SecureContext_t; +/*-----------------------------------------------------------*/ + +secureportNON_SECURE_CALLABLE void SecureContext_Init( void ) +{ + uint32_t ulIPSR; + + /* Read the Interrupt Program Status Register (IPSR) value. */ + secureportREAD_IPSR( ulIPSR ); + + /* Do nothing if the processor is running in the Thread Mode. IPSR is zero + * when the processor is running in the Thread Mode. */ + if( ulIPSR != 0 ) + { + /* No stack for thread mode until a task's context is loaded. */ + secureportSET_PSPLIM( securecontextNO_STACK ); + secureportSET_PSP( securecontextNO_STACK ); + + #if( configENABLE_MPU == 1 ) + { + /* Configure thread mode to use PSP and to be unprivileged. */ + secureportSET_CONTROL( securecontextCONTROL_VALUE_UNPRIVILEGED ); + } + #else /* configENABLE_MPU */ + { + /* Configure thread mode to use PSP and to be privileged.. */ + secureportSET_CONTROL( securecontextCONTROL_VALUE_PRIVILEGED ); + } + #endif /* configENABLE_MPU */ + } +} +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + secureportNON_SECURE_CALLABLE SecureContextHandle_t SecureContext_AllocateContext( uint32_t ulSecureStackSize, uint32_t ulIsTaskPrivileged ) +#else /* configENABLE_MPU */ + secureportNON_SECURE_CALLABLE SecureContextHandle_t SecureContext_AllocateContext( uint32_t ulSecureStackSize ) +#endif /* configENABLE_MPU */ +{ + uint8_t *pucStackMemory = NULL; + uint32_t ulIPSR; + SecureContextHandle_t xSecureContextHandle = NULL; + #if( configENABLE_MPU == 1 ) + uint32_t *pulCurrentStackPointer = NULL; + #endif /* configENABLE_MPU */ + + /* Read the Interrupt Program Status Register (IPSR) value. */ + secureportREAD_IPSR( ulIPSR ); + + /* Do nothing if the processor is running in the Thread Mode. IPSR is zero + * when the processor is running in the Thread Mode. */ + if( ulIPSR != 0 ) + { + /* Allocate the context structure. */ + xSecureContextHandle = ( SecureContextHandle_t ) pvPortMalloc( sizeof( SecureContext_t ) ); + + if( xSecureContextHandle != NULL ) + { + /* Allocate the stack space. */ + pucStackMemory = pvPortMalloc( ulSecureStackSize ); + + if( pucStackMemory != NULL ) + { + /* Since stack grows down, the starting point will be the last + * location. Note that this location is next to the last + * allocated byte because the hardware decrements the stack + * pointer before writing i.e. if stack pointer is 0x2, a push + * operation will decrement the stack pointer to 0x1 and then + * write at 0x1. */ + xSecureContextHandle->pucStackStart = pucStackMemory + ulSecureStackSize; + + /* The stack cannot go beyond this location. This value is + * programmed in the PSPLIM register on context switch.*/ + xSecureContextHandle->pucStackLimit = pucStackMemory; + + #if( configENABLE_MPU == 1 ) + { + /* Store the correct CONTROL value for the task on the stack. + * This value is programmed in the CONTROL register on + * context switch. */ + pulCurrentStackPointer = ( uint32_t * ) xSecureContextHandle->pucStackStart; + pulCurrentStackPointer--; + if( ulIsTaskPrivileged ) + { + *( pulCurrentStackPointer ) = securecontextCONTROL_VALUE_PRIVILEGED; + } + else + { + *( pulCurrentStackPointer ) = securecontextCONTROL_VALUE_UNPRIVILEGED; + } + + /* Store the current stack pointer. This value is programmed in + * the PSP register on context switch. */ + xSecureContextHandle->pucCurrentStackPointer = ( uint8_t * ) pulCurrentStackPointer; + } + #else /* configENABLE_MPU */ + { + /* Current SP is set to the starting of the stack. This + * value programmed in the PSP register on context switch. */ + xSecureContextHandle->pucCurrentStackPointer = xSecureContextHandle->pucStackStart; + + } + #endif /* configENABLE_MPU */ + } + else + { + /* Free the context to avoid memory leak and make sure to return + * NULL to indicate failure. */ + vPortFree( xSecureContextHandle ); + xSecureContextHandle = NULL; + } + } + } + + return xSecureContextHandle; +} +/*-----------------------------------------------------------*/ + +secureportNON_SECURE_CALLABLE void SecureContext_FreeContext( SecureContextHandle_t xSecureContextHandle ) +{ + uint32_t ulIPSR; + + /* Read the Interrupt Program Status Register (IPSR) value. */ + secureportREAD_IPSR( ulIPSR ); + + /* Do nothing if the processor is running in the Thread Mode. IPSR is zero + * when the processor is running in the Thread Mode. */ + if( ulIPSR != 0 ) + { + /* Ensure that valid parameters are passed. */ + secureportASSERT( xSecureContextHandle != NULL ); + + /* Free the stack space. */ + vPortFree( xSecureContextHandle->pucStackLimit ); + + /* Free the context itself. */ + vPortFree( xSecureContextHandle ); + } +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_context.h b/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_context.h new file mode 100644 index 000000000..faac2a3ea --- /dev/null +++ b/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_context.h @@ -0,0 +1,111 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __SECURE_CONTEXT_H__ +#define __SECURE_CONTEXT_H__ + +/* Standard includes. */ +#include + +/* FreeRTOS includes. */ +#include "FreeRTOSConfig.h" + +/** + * @brief PSP value when no task's context is loaded. + */ +#define securecontextNO_STACK 0x0 + +/** + * @brief Opaque handle. + */ +struct SecureContext; +typedef struct SecureContext* SecureContextHandle_t; +/*-----------------------------------------------------------*/ + +/** + * @brief Initializes the secure context management system. + * + * PSP is set to NULL and therefore a task must allocate and load a context + * before calling any secure side function in the thread mode. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + */ +void SecureContext_Init( void ); + +/** + * @brief Allocates a context on the secure side. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + * + * @param[in] ulSecureStackSize Size of the stack to allocate on secure side. + * @param[in] ulIsTaskPrivileged 1 if the calling task is privileged, 0 otherwise. + * + * @return Opaque context handle if context is successfully allocated, NULL + * otherwise. + */ +#if( configENABLE_MPU == 1 ) + SecureContextHandle_t SecureContext_AllocateContext( uint32_t ulSecureStackSize, uint32_t ulIsTaskPrivileged ); +#else /* configENABLE_MPU */ + SecureContextHandle_t SecureContext_AllocateContext( uint32_t ulSecureStackSize ); +#endif /* configENABLE_MPU */ + +/** + * @brief Frees the given context. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + * + * @param[in] xSecureContextHandle Context handle corresponding to the + * context to be freed. + */ +void SecureContext_FreeContext( SecureContextHandle_t xSecureContextHandle ); + +/** + * @brief Loads the given context. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + * + * @param[in] xSecureContextHandle Context handle corresponding to the context + * to be loaded. + */ +void SecureContext_LoadContext( SecureContextHandle_t xSecureContextHandle ); + +/** + * @brief Saves the given context. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + * + * @param[in] xSecureContextHandle Context handle corresponding to the context + * to be saved. + */ +void SecureContext_SaveContext( SecureContextHandle_t xSecureContextHandle ); + +#endif /* __SECURE_CONTEXT_H__ */ diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_context_port.c b/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_context_port.c new file mode 100644 index 000000000..1c5e97ef0 --- /dev/null +++ b/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_context_port.c @@ -0,0 +1,88 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Secure context includes. */ +#include "secure_context.h" + +/* Secure port macros. */ +#include "secure_port_macros.h" + +secureportNON_SECURE_CALLABLE void SecureContext_LoadContext( SecureContextHandle_t xSecureContextHandle ) +{ + /* xSecureContextHandle value is in r0. */ + __asm volatile + ( + " .syntax unified \n" + " \n" + " mrs r1, ipsr \n" /* r1 = IPSR. */ + " cbz r1, load_ctx_therad_mode \n" /* Do nothing if the processor is running in the Thread Mode. */ + " ldmia r0!, {r1, r2} \n" /* r1 = xSecureContextHandle->pucCurrentStackPointer, r2 = xSecureContextHandle->pucStackLimit. */ + #if( configENABLE_MPU == 1 ) + " ldmia r1!, {r3} \n" /* Read CONTROL register value from task's stack. r3 = CONTROL. */ + " msr control, r3 \n" /* CONTROL = r3. */ + #endif /* configENABLE_MPU */ + " msr psplim, r2 \n" /* PSPLIM = r2. */ + " msr psp, r1 \n" /* PSP = r1. */ + " \n" + " load_ctx_therad_mode: \n" + " nop \n" + " \n" + :::"r0", "r1", "r2" + ); +} +/*-----------------------------------------------------------*/ + +secureportNON_SECURE_CALLABLE void SecureContext_SaveContext( SecureContextHandle_t xSecureContextHandle ) +{ + /* xSecureContextHandle value is in r0. */ + __asm volatile + ( + " .syntax unified \n" + " \n" + " mrs r1, ipsr \n" /* r1 = IPSR. */ + " cbz r1, save_ctx_therad_mode \n" /* Do nothing if the processor is running in the Thread Mode. */ + " mrs r1, psp \n" /* r1 = PSP. */ + #if( configENABLE_FPU == 1 ) + " vstmdb r1!, {s0} \n" /* Trigger the defferred stacking of FPU registers. */ + " vldmia r1!, {s0} \n" /* Nullify the effect of the pervious statement. */ + #endif /* configENABLE_FPU */ + #if( configENABLE_MPU == 1 ) + " mrs r2, control \n" /* r2 = CONTROL. */ + " stmdb r1!, {r2} \n" /* Store CONTROL value on the stack. */ + #endif /* configENABLE_MPU */ + " str r1, [r0] \n" /* Save the top of stack in context. xSecureContextHandle->pucCurrentStackPointer = r1. */ + " movs r1, %0 \n" /* r1 = securecontextNO_STACK. */ + " msr psplim, r1 \n" /* PSPLIM = securecontextNO_STACK. */ + " msr psp, r1 \n" /* PSP = securecontextNO_STACK i.e. No stack for thread mode until next task's context is loaded. */ + " \n" + " save_ctx_therad_mode: \n" + " nop \n" + " \n" + :: "i" ( securecontextNO_STACK ) : "r1", "memory" + ); +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_heap.c b/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_heap.c new file mode 100644 index 000000000..127860d97 --- /dev/null +++ b/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_heap.c @@ -0,0 +1,450 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Standard includes. */ +#include + +/* Secure context heap includes. */ +#include "secure_heap.h" + +/* Secure port macros. */ +#include "secure_port_macros.h" + +/** + * @brief Total heap size. + */ +#define secureconfigTOTAL_HEAP_SIZE ( ( ( size_t ) ( 10 * 1024 ) ) ) + +/* No test marker by default. */ +#ifndef mtCOVERAGE_TEST_MARKER + #define mtCOVERAGE_TEST_MARKER() +#endif + +/* No tracing by default. */ +#ifndef traceMALLOC + #define traceMALLOC( pvReturn, xWantedSize ) +#endif + +/* No tracing by default. */ +#ifndef traceFREE + #define traceFREE( pv, xBlockSize ) +#endif + +/* Block sizes must not get too small. */ +#define secureheapMINIMUM_BLOCK_SIZE ( ( size_t ) ( xHeapStructSize << 1 ) ) + +/* Assumes 8bit bytes! */ +#define secureheapBITS_PER_BYTE ( ( size_t ) 8 ) +/*-----------------------------------------------------------*/ + +/* Allocate the memory for the heap. */ +#if( configAPPLICATION_ALLOCATED_HEAP == 1 ) + /* The application writer has already defined the array used for the RTOS + * heap - probably so it can be placed in a special segment or address. */ + extern uint8_t ucHeap[ secureconfigTOTAL_HEAP_SIZE ]; +#else /* configAPPLICATION_ALLOCATED_HEAP */ + static uint8_t ucHeap[ secureconfigTOTAL_HEAP_SIZE ]; +#endif /* configAPPLICATION_ALLOCATED_HEAP */ + +/** + * @brief The linked list structure. + * + * This is used to link free blocks in order of their memory address. + */ +typedef struct A_BLOCK_LINK +{ + struct A_BLOCK_LINK *pxNextFreeBlock; /**< The next free block in the list. */ + size_t xBlockSize; /**< The size of the free block. */ +} BlockLink_t; +/*-----------------------------------------------------------*/ + +/** + * @brief Called automatically to setup the required heap structures the first + * time pvPortMalloc() is called. + */ +static void prvHeapInit( void ); + +/** + * @brief Inserts a block of memory that is being freed into the correct + * position in the list of free memory blocks. + * + * The block being freed will be merged with the block in front it and/or the + * block behind it if the memory blocks are adjacent to each other. + * + * @param[in] pxBlockToInsert The block being freed. + */ +static void prvInsertBlockIntoFreeList( BlockLink_t *pxBlockToInsert ); +/*-----------------------------------------------------------*/ + +/** + * @brief The size of the structure placed at the beginning of each allocated + * memory block must by correctly byte aligned. + */ +static const size_t xHeapStructSize = ( sizeof( BlockLink_t ) + ( ( size_t ) ( secureportBYTE_ALIGNMENT - 1 ) ) ) & ~( ( size_t ) secureportBYTE_ALIGNMENT_MASK ); + +/** + * @brief Create a couple of list links to mark the start and end of the list. + */ +static BlockLink_t xStart, *pxEnd = NULL; + +/** + * @brief Keeps track of the number of free bytes remaining, but says nothing + * about fragmentation. + */ +static size_t xFreeBytesRemaining = 0U; +static size_t xMinimumEverFreeBytesRemaining = 0U; + +/** + * @brief Gets set to the top bit of an size_t type. + * + * When this bit in the xBlockSize member of an BlockLink_t structure is set + * then the block belongs to the application. When the bit is free the block is + * still part of the free heap space. + */ +static size_t xBlockAllocatedBit = 0; +/*-----------------------------------------------------------*/ + +static void prvHeapInit( void ) +{ +BlockLink_t *pxFirstFreeBlock; +uint8_t *pucAlignedHeap; +size_t uxAddress; +size_t xTotalHeapSize = secureconfigTOTAL_HEAP_SIZE; + + /* Ensure the heap starts on a correctly aligned boundary. */ + uxAddress = ( size_t ) ucHeap; + + if( ( uxAddress & secureportBYTE_ALIGNMENT_MASK ) != 0 ) + { + uxAddress += ( secureportBYTE_ALIGNMENT - 1 ); + uxAddress &= ~( ( size_t ) secureportBYTE_ALIGNMENT_MASK ); + xTotalHeapSize -= uxAddress - ( size_t ) ucHeap; + } + + pucAlignedHeap = ( uint8_t * ) uxAddress; + + /* xStart is used to hold a pointer to the first item in the list of free + * blocks. The void cast is used to prevent compiler warnings. */ + xStart.pxNextFreeBlock = ( void * ) pucAlignedHeap; + xStart.xBlockSize = ( size_t ) 0; + + /* pxEnd is used to mark the end of the list of free blocks and is inserted + * at the end of the heap space. */ + uxAddress = ( ( size_t ) pucAlignedHeap ) + xTotalHeapSize; + uxAddress -= xHeapStructSize; + uxAddress &= ~( ( size_t ) secureportBYTE_ALIGNMENT_MASK ); + pxEnd = ( void * ) uxAddress; + pxEnd->xBlockSize = 0; + pxEnd->pxNextFreeBlock = NULL; + + /* To start with there is a single free block that is sized to take up the + * entire heap space, minus the space taken by pxEnd. */ + pxFirstFreeBlock = ( void * ) pucAlignedHeap; + pxFirstFreeBlock->xBlockSize = uxAddress - ( size_t ) pxFirstFreeBlock; + pxFirstFreeBlock->pxNextFreeBlock = pxEnd; + + /* Only one block exists - and it covers the entire usable heap space. */ + xMinimumEverFreeBytesRemaining = pxFirstFreeBlock->xBlockSize; + xFreeBytesRemaining = pxFirstFreeBlock->xBlockSize; + + /* Work out the position of the top bit in a size_t variable. */ + xBlockAllocatedBit = ( ( size_t ) 1 ) << ( ( sizeof( size_t ) * secureheapBITS_PER_BYTE ) - 1 ); +} +/*-----------------------------------------------------------*/ + +static void prvInsertBlockIntoFreeList( BlockLink_t *pxBlockToInsert ) +{ +BlockLink_t *pxIterator; +uint8_t *puc; + + /* Iterate through the list until a block is found that has a higher address + * than the block being inserted. */ + for( pxIterator = &xStart; pxIterator->pxNextFreeBlock < pxBlockToInsert; pxIterator = pxIterator->pxNextFreeBlock ) + { + /* Nothing to do here, just iterate to the right position. */ + } + + /* Do the block being inserted, and the block it is being inserted after + * make a contiguous block of memory? */ + puc = ( uint8_t * ) pxIterator; + if( ( puc + pxIterator->xBlockSize ) == ( uint8_t * ) pxBlockToInsert ) + { + pxIterator->xBlockSize += pxBlockToInsert->xBlockSize; + pxBlockToInsert = pxIterator; + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + + /* Do the block being inserted, and the block it is being inserted before + * make a contiguous block of memory? */ + puc = ( uint8_t * ) pxBlockToInsert; + if( ( puc + pxBlockToInsert->xBlockSize ) == ( uint8_t * ) pxIterator->pxNextFreeBlock ) + { + if( pxIterator->pxNextFreeBlock != pxEnd ) + { + /* Form one big block from the two blocks. */ + pxBlockToInsert->xBlockSize += pxIterator->pxNextFreeBlock->xBlockSize; + pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock->pxNextFreeBlock; + } + else + { + pxBlockToInsert->pxNextFreeBlock = pxEnd; + } + } + else + { + pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock; + } + + /* If the block being inserted plugged a gab, so was merged with the block + * before and the block after, then it's pxNextFreeBlock pointer will have + * already been set, and should not be set here as that would make it point + * to itself. */ + if( pxIterator != pxBlockToInsert ) + { + pxIterator->pxNextFreeBlock = pxBlockToInsert; + } + else + { + mtCOVERAGE_TEST_MARKER(); + } +} +/*-----------------------------------------------------------*/ + +void *pvPortMalloc( size_t xWantedSize ) +{ +BlockLink_t *pxBlock, *pxPreviousBlock, *pxNewBlockLink; +void *pvReturn = NULL; + + /* If this is the first call to malloc then the heap will require + * initialisation to setup the list of free blocks. */ + if( pxEnd == NULL ) + { + prvHeapInit(); + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + + /* Check the requested block size is not so large that the top bit is set. + * The top bit of the block size member of the BlockLink_t structure is used + * to determine who owns the block - the application or the kernel, so it + * must be free. */ + if( ( xWantedSize & xBlockAllocatedBit ) == 0 ) + { + /* The wanted size is increased so it can contain a BlockLink_t + * structure in addition to the requested amount of bytes. */ + if( xWantedSize > 0 ) + { + xWantedSize += xHeapStructSize; + + /* Ensure that blocks are always aligned to the required number of + * bytes. */ + if( ( xWantedSize & secureportBYTE_ALIGNMENT_MASK ) != 0x00 ) + { + /* Byte alignment required. */ + xWantedSize += ( secureportBYTE_ALIGNMENT - ( xWantedSize & secureportBYTE_ALIGNMENT_MASK ) ); + secureportASSERT( ( xWantedSize & secureportBYTE_ALIGNMENT_MASK ) == 0 ); + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + + if( ( xWantedSize > 0 ) && ( xWantedSize <= xFreeBytesRemaining ) ) + { + /* Traverse the list from the start (lowest address) block until + * one of adequate size is found. */ + pxPreviousBlock = &xStart; + pxBlock = xStart.pxNextFreeBlock; + while( ( pxBlock->xBlockSize < xWantedSize ) && ( pxBlock->pxNextFreeBlock != NULL ) ) + { + pxPreviousBlock = pxBlock; + pxBlock = pxBlock->pxNextFreeBlock; + } + + /* If the end marker was reached then a block of adequate size was + * not found. */ + if( pxBlock != pxEnd ) + { + /* Return the memory space pointed to - jumping over the + * BlockLink_t structure at its start. */ + pvReturn = ( void * ) ( ( ( uint8_t * ) pxPreviousBlock->pxNextFreeBlock ) + xHeapStructSize ); + + /* This block is being returned for use so must be taken out + * of the list of free blocks. */ + pxPreviousBlock->pxNextFreeBlock = pxBlock->pxNextFreeBlock; + + /* If the block is larger than required it can be split into + * two. */ + if( ( pxBlock->xBlockSize - xWantedSize ) > secureheapMINIMUM_BLOCK_SIZE ) + { + /* This block is to be split into two. Create a new + * block following the number of bytes requested. The void + * cast is used to prevent byte alignment warnings from the + * compiler. */ + pxNewBlockLink = ( void * ) ( ( ( uint8_t * ) pxBlock ) + xWantedSize ); + secureportASSERT( ( ( ( size_t ) pxNewBlockLink ) & secureportBYTE_ALIGNMENT_MASK ) == 0 ); + + /* Calculate the sizes of two blocks split from the single + * block. */ + pxNewBlockLink->xBlockSize = pxBlock->xBlockSize - xWantedSize; + pxBlock->xBlockSize = xWantedSize; + + /* Insert the new block into the list of free blocks. */ + prvInsertBlockIntoFreeList( pxNewBlockLink ); + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + + xFreeBytesRemaining -= pxBlock->xBlockSize; + + if( xFreeBytesRemaining < xMinimumEverFreeBytesRemaining ) + { + xMinimumEverFreeBytesRemaining = xFreeBytesRemaining; + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + + /* The block is being returned - it is allocated and owned by + * the application and has no "next" block. */ + pxBlock->xBlockSize |= xBlockAllocatedBit; + pxBlock->pxNextFreeBlock = NULL; + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + + traceMALLOC( pvReturn, xWantedSize ); + + #if( secureconfigUSE_MALLOC_FAILED_HOOK == 1 ) + { + if( pvReturn == NULL ) + { + extern void vApplicationMallocFailedHook( void ); + vApplicationMallocFailedHook(); + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + } + #endif + + secureportASSERT( ( ( ( size_t ) pvReturn ) & ( size_t ) secureportBYTE_ALIGNMENT_MASK ) == 0 ); + return pvReturn; +} +/*-----------------------------------------------------------*/ + +void vPortFree( void *pv ) +{ +uint8_t *puc = ( uint8_t * ) pv; +BlockLink_t *pxLink; + + if( pv != NULL ) + { + /* The memory being freed will have an BlockLink_t structure immediately + * before it. */ + puc -= xHeapStructSize; + + /* This casting is to keep the compiler from issuing warnings. */ + pxLink = ( void * ) puc; + + /* Check the block is actually allocated. */ + secureportASSERT( ( pxLink->xBlockSize & xBlockAllocatedBit ) != 0 ); + secureportASSERT( pxLink->pxNextFreeBlock == NULL ); + + if( ( pxLink->xBlockSize & xBlockAllocatedBit ) != 0 ) + { + if( pxLink->pxNextFreeBlock == NULL ) + { + /* The block is being returned to the heap - it is no longer + * allocated. */ + pxLink->xBlockSize &= ~xBlockAllocatedBit; + + secureportDISABLE_NON_SECURE_INTERRUPTS(); + { + /* Add this block to the list of free blocks. */ + xFreeBytesRemaining += pxLink->xBlockSize; + traceFREE( pv, pxLink->xBlockSize ); + prvInsertBlockIntoFreeList( ( ( BlockLink_t * ) pxLink ) ); + } + secureportENABLE_NON_SECURE_INTERRUPTS(); + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + } +} +/*-----------------------------------------------------------*/ + +size_t xPortGetFreeHeapSize( void ) +{ + return xFreeBytesRemaining; +} +/*-----------------------------------------------------------*/ + +size_t xPortGetMinimumEverFreeHeapSize( void ) +{ + return xMinimumEverFreeBytesRemaining; +} +/*-----------------------------------------------------------*/ + +void vPortInitialiseBlocks( void ) +{ + /* This just exists to keep the linker quiet. */ +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_heap.h b/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_heap.h new file mode 100644 index 000000000..d185aaad8 --- /dev/null +++ b/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_heap.h @@ -0,0 +1,51 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __SECURE_HEAP_H__ +#define __SECURE_HEAP_H__ + +/* Standard includes. */ +#include + +/** + * @brief Allocates memory from heap. + * + * @param[in] xWantedSize The size of the memory to be allocated. + * + * @return Pointer to the memory region if the allocation is successful, NULL + * otherwise. + */ +void *pvPortMalloc( size_t xWantedSize ); + +/** + * @brief Frees the previously allocated memory. + * + * @param[in] pv Pointer to the memory to be freed. + */ +void vPortFree( void *pv ); + +#endif /* __SECURE_HEAP_H__ */ diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_init.c b/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_init.c new file mode 100644 index 000000000..56d91116c --- /dev/null +++ b/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_init.c @@ -0,0 +1,105 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Standard includes. */ +#include + +/* Secure init includes. */ +#include "secure_init.h" + +/* Secure port macros. */ +#include "secure_port_macros.h" + +/** + * @brief Constants required to manipulate the SCB. + */ +#define secureinitSCB_AIRCR ( ( volatile uint32_t * ) 0xe000ed0c ) /* Application Interrupt and Reset Control Register. */ +#define secureinitSCB_AIRCR_VECTKEY_POS ( 16UL ) +#define secureinitSCB_AIRCR_VECTKEY_MASK ( 0xFFFFUL << secureinitSCB_AIRCR_VECTKEY_POS ) +#define secureinitSCB_AIRCR_PRIS_POS ( 14UL ) +#define secureinitSCB_AIRCR_PRIS_MASK ( 1UL << secureinitSCB_AIRCR_PRIS_POS ) + +/** + * @brief Constants required to manipulate the FPU. + */ +#define secureinitFPCCR ( ( volatile uint32_t * ) 0xe000ef34 ) /* Floating Point Context Control Register. */ +#define secureinitFPCCR_LSPENS_POS ( 29UL ) +#define secureinitFPCCR_LSPENS_MASK ( 1UL << secureinitFPCCR_LSPENS_POS ) +#define secureinitFPCCR_TS_POS ( 26UL ) +#define secureinitFPCCR_TS_MASK ( 1UL << secureinitFPCCR_TS_POS ) + +#define secureinitNSACR ( ( volatile uint32_t * ) 0xe000ed8c ) /* Non-secure Access Control Register. */ +#define secureinitNSACR_CP10_POS ( 10UL ) +#define secureinitNSACR_CP10_MASK ( 1UL << secureinitNSACR_CP10_POS ) +#define secureinitNSACR_CP11_POS ( 11UL ) +#define secureinitNSACR_CP11_MASK ( 1UL << secureinitNSACR_CP11_POS ) +/*-----------------------------------------------------------*/ + +secureportNON_SECURE_CALLABLE void SecureInit_DePrioritizeNSExceptions( void ) +{ + uint32_t ulIPSR; + + /* Read the Interrupt Program Status Register (IPSR) value. */ + secureportREAD_IPSR( ulIPSR ); + + /* Do nothing if the processor is running in the Thread Mode. IPSR is zero + * when the processor is running in the Thread Mode. */ + if( ulIPSR != 0 ) + { + *( secureinitSCB_AIRCR ) = ( *( secureinitSCB_AIRCR ) & ~( secureinitSCB_AIRCR_VECTKEY_MASK | secureinitSCB_AIRCR_PRIS_MASK ) ) | + ( ( 0x05FAUL << secureinitSCB_AIRCR_VECTKEY_POS ) & secureinitSCB_AIRCR_VECTKEY_MASK ) | + ( ( 0x1UL << secureinitSCB_AIRCR_PRIS_POS ) & secureinitSCB_AIRCR_PRIS_MASK ); + } +} +/*-----------------------------------------------------------*/ + +secureportNON_SECURE_CALLABLE void SecureInit_EnableNSFPUAccess( void ) +{ + uint32_t ulIPSR; + + /* Read the Interrupt Program Status Register (IPSR) value. */ + secureportREAD_IPSR( ulIPSR ); + + /* Do nothing if the processor is running in the Thread Mode. IPSR is zero + * when the processor is running in the Thread Mode. */ + if( ulIPSR != 0 ) + { + /* CP10 = 1 ==> Non-secure access to the Floating Point Unit is + * permitted. CP11 should be programmed to the same value as CP10. */ + *( secureinitNSACR ) |= ( secureinitNSACR_CP10_MASK | secureinitNSACR_CP11_MASK ); + + /* LSPENS = 0 ==> LSPEN is writable fron non-secure state. This ensures + * that we can enable/disable lazy stacking in port.c file. */ + *( secureinitFPCCR ) &= ~ ( secureinitFPCCR_LSPENS_MASK ); + + /* TS = 1 ==> Treat FP registers as secure i.e. callee saved FP + * registers (S16-S31) are also pushed to stack on exception entry and + * restored on exception return. */ + *( secureinitFPCCR ) |= ( secureinitFPCCR_TS_MASK ); + } +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_init.h b/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_init.h new file mode 100644 index 000000000..2660c2c1f --- /dev/null +++ b/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_init.h @@ -0,0 +1,53 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __SECURE_INIT_H__ +#define __SECURE_INIT_H__ + +/** + * @brief De-prioritizes the non-secure exceptions. + * + * This is needed to ensure that the non-secure PendSV runs at the lowest + * priority. Context switch is done in the non-secure PendSV handler. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + */ +void SecureInit_DePrioritizeNSExceptions( void ); + +/** + * @brief Sets up the Floating Point Unit (FPU) for Non-Secure access. + * + * Also sets FPCCR.TS=1 to ensure that the content of the Floating Point + * Registers are not leaked to the non-secure side. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + */ +void SecureInit_EnableNSFPUAccess( void ); + +#endif /* __SECURE_INIT_H__ */ diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_port_macros.h b/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_port_macros.h new file mode 100644 index 000000000..aa279925d --- /dev/null +++ b/FreeRTOS/Source/portable/GCC/ARM_CM33/secure/secure_port_macros.h @@ -0,0 +1,133 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __SECURE_PORT_MACROS_H__ +#define __SECURE_PORT_MACROS_H__ + +/** + * @brief Byte alignment requirements. + */ +#define secureportBYTE_ALIGNMENT 8 +#define secureportBYTE_ALIGNMENT_MASK ( 0x0007 ) + +/** + * @brief Macro to declare a function as non-secure callable. + */ +#if defined( __IAR_SYSTEMS_ICC__ ) + #define secureportNON_SECURE_CALLABLE __cmse_nonsecure_entry +#else + #define secureportNON_SECURE_CALLABLE __attribute__((cmse_nonsecure_entry)) +#endif + +/** + * @brief Set the secure PRIMASK value. + */ +#define secureportSET_SECURE_PRIMASK( ulPrimaskValue ) \ + __asm volatile ( "msr primask, %0" : : "r" ( ulPrimaskValue ) : "memory" ) + +/** + * @brief Set the non-secure PRIMASK value. + */ +#define secureportSET_NON_SECURE_PRIMASK( ulPrimaskValue ) \ + __asm volatile ( "msr primask_ns, %0" : : "r" ( ulPrimaskValue ) : "memory" ) + +/** + * @brief Read the PSP value in the given variable. + */ +#define secureportREAD_PSP( pucOutCurrentStackPointer ) \ + __asm volatile ( "mrs %0, psp" : "=r" ( pucOutCurrentStackPointer ) ) + +/** + * @brief Set the PSP to the given value. + */ +#define secureportSET_PSP( pucCurrentStackPointer ) \ + __asm volatile ( "msr psp, %0" : : "r" ( pucCurrentStackPointer ) ) + +/** + * @brief Set the PSPLIM to the given value. + */ +#define secureportSET_PSPLIM( pucStackLimit ) \ + __asm volatile ( "msr psplim, %0" : : "r" ( pucStackLimit ) ) + +/** + * @brief Set the NonSecure MSP to the given value. + */ +#define secureportSET_MSP_NS( pucMainStackPointer ) \ + __asm volatile ( "msr msp_ns, %0" : : "r" ( pucMainStackPointer ) ) + +/** + * @brief Set the CONTROL register to the given value. + */ +#define secureportSET_CONTROL( ulControl ) \ + __asm volatile ( "msr control, %0" : : "r" ( ulControl ) : "memory" ) + +/** + * @brief Read the Interrupt Program Status Register (IPSR) value in the given + * variable. + */ +#define secureportREAD_IPSR( ulIPSR ) \ + __asm volatile ( "mrs %0, ipsr" : "=r" ( ulIPSR ) ) + +/** + * @brief PRIMASK value to enable interrupts. + */ +#define secureportPRIMASK_ENABLE_INTERRUPTS_VAL 0 + +/** + * @brief PRIMASK value to disable interrupts. + */ +#define secureportPRIMASK_DISABLE_INTERRUPTS_VAL 1 + +/** + * @brief Disable secure interrupts. + */ +#define secureportDISABLE_SECURE_INTERRUPTS() secureportSET_SECURE_PRIMASK( secureportPRIMASK_DISABLE_INTERRUPTS_VAL ) + +/** + * @brief Disable non-secure interrupts. + * + * This effectively disables context switches. + */ +#define secureportDISABLE_NON_SECURE_INTERRUPTS() secureportSET_NON_SECURE_PRIMASK( secureportPRIMASK_DISABLE_INTERRUPTS_VAL ) + +/** + * @brief Enable non-secure interrupts. + */ +#define secureportENABLE_NON_SECURE_INTERRUPTS() secureportSET_NON_SECURE_PRIMASK( secureportPRIMASK_ENABLE_INTERRUPTS_VAL ) + +/** + * @brief Assert definition. + */ +#define secureportASSERT( x ) \ + if( ( x ) == 0 ) \ + { \ + secureportDISABLE_SECURE_INTERRUPTS(); \ + secureportDISABLE_NON_SECURE_INTERRUPTS(); \ + for( ;; ); \ + } + +#endif /* __SECURE_PORT_MACROS_H__ */ diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/port.c b/FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/port.c new file mode 100644 index 000000000..a549bb14c --- /dev/null +++ b/FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/port.c @@ -0,0 +1,860 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE prevents task.h from redefining + * all the API functions to use the MPU wrappers. That should only be done when + * task.h is included from an application file. */ +#define MPU_WRAPPERS_INCLUDED_FROM_API_FILE + +/* Scheduler includes. */ +#include "FreeRTOS.h" +#include "task.h" + +/* MPU wrappers includes. */ +#include "mpu_wrappers.h" + +/* Portasm includes. */ +#include "portasm.h" + +#if( configENABLE_TRUSTZONE == 1 ) + /* Secure components includes. */ + #include "secure_context.h" + #include "secure_init.h" +#endif /* configENABLE_TRUSTZONE */ + +#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the NVIC. + */ +#define portNVIC_SYSTICK_CTRL ( ( volatile uint32_t * ) 0xe000e010 ) +#define portNVIC_SYSTICK_LOAD ( ( volatile uint32_t * ) 0xe000e014 ) +#define portNVIC_SYSTICK_CURRENT_VALUE ( ( volatile uint32_t * ) 0xe000e018 ) +#define portNVIC_INT_CTRL ( ( volatile uint32_t * ) 0xe000ed04 ) +#define portNVIC_SYSPRI2 ( ( volatile uint32_t * ) 0xe000ed20 ) +#define portNVIC_SYSTICK_CLK ( 0x00000004 ) +#define portNVIC_SYSTICK_INT ( 0x00000002 ) +#define portNVIC_SYSTICK_ENABLE ( 0x00000001 ) +#define portNVIC_PENDSVSET ( 0x10000000 ) +#define portMIN_INTERRUPT_PRIORITY ( 255UL ) +#define portNVIC_PENDSV_PRI ( portMIN_INTERRUPT_PRIORITY << 16UL ) +#define portNVIC_SYSTICK_PRI ( portMIN_INTERRUPT_PRIORITY << 24UL ) +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the SCB. + */ +#define portSCB_SYS_HANDLER_CTRL_STATE_REG ( * ( volatile uint32_t * ) 0xe000ed24 ) +#define portSCB_MEM_FAULT_ENABLE ( 1UL << 16UL ) +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the FPU. + */ +#define portCPACR ( ( volatile uint32_t * ) 0xe000ed88 ) /* Coprocessor Access Control Register. */ +#define portCPACR_CP10_VALUE ( 3UL ) +#define portCPACR_CP11_VALUE portCPACR_CP10_VALUE +#define portCPACR_CP10_POS ( 20UL ) +#define portCPACR_CP11_POS ( 22UL ) + +#define portFPCCR ( ( volatile uint32_t * ) 0xe000ef34 ) /* Floating Point Context Control Register. */ +#define portFPCCR_ASPEN_POS ( 31UL ) +#define portFPCCR_ASPEN_MASK ( 1UL << portFPCCR_ASPEN_POS ) +#define portFPCCR_LSPEN_POS ( 30UL ) +#define portFPCCR_LSPEN_MASK ( 1UL << portFPCCR_LSPEN_POS ) +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the MPU. + */ +#define portMPU_TYPE_REG ( * ( ( volatile uint32_t * ) 0xe000ed90 ) ) +#define portMPU_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed94 ) ) +#define portMPU_RNR_REG ( * ( ( volatile uint32_t * ) 0xe000ed98 ) ) + +#define portMPU_RBAR_REG ( * ( ( volatile uint32_t * ) 0xe000ed9c ) ) +#define portMPU_RLAR_REG ( * ( ( volatile uint32_t * ) 0xe000eda0 ) ) + +#define portMPU_RBAR_A1_REG ( * ( ( volatile uint32_t * ) 0xe000eda4 ) ) +#define portMPU_RLAR_A1_REG ( * ( ( volatile uint32_t * ) 0xe000eda8 ) ) + +#define portMPU_RBAR_A2_REG ( * ( ( volatile uint32_t * ) 0xe000edac ) ) +#define portMPU_RLAR_A2_REG ( * ( ( volatile uint32_t * ) 0xe000edb0 ) ) + +#define portMPU_RBAR_A3_REG ( * ( ( volatile uint32_t * ) 0xe000edb4 ) ) +#define portMPU_RLAR_A3_REG ( * ( ( volatile uint32_t * ) 0xe000edb8 ) ) + +#define portMPU_MAIR0_REG ( * ( ( volatile uint32_t * ) 0xe000edc0 ) ) +#define portMPU_MAIR1_REG ( * ( ( volatile uint32_t * ) 0xe000edc4 ) ) + +#define portMPU_RBAR_ADDRESS_MASK ( 0xffffffe0 ) /* Must be 32-byte aligned. */ +#define portMPU_RLAR_ADDRESS_MASK ( 0xffffffe0 ) /* Must be 32-byte aligned. */ + +#define portMPU_MAIR_ATTR0_POS ( 0UL ) +#define portMPU_MAIR_ATTR0_MASK ( 0x000000ff ) + +#define portMPU_MAIR_ATTR1_POS ( 8UL ) +#define portMPU_MAIR_ATTR1_MASK ( 0x0000ff00 ) + +#define portMPU_MAIR_ATTR2_POS ( 16UL ) +#define portMPU_MAIR_ATTR2_MASK ( 0x00ff0000 ) + +#define portMPU_MAIR_ATTR3_POS ( 24UL ) +#define portMPU_MAIR_ATTR3_MASK ( 0xff000000 ) + +#define portMPU_MAIR_ATTR4_POS ( 0UL ) +#define portMPU_MAIR_ATTR4_MASK ( 0x000000ff ) + +#define portMPU_MAIR_ATTR5_POS ( 8UL ) +#define portMPU_MAIR_ATTR5_MASK ( 0x0000ff00 ) + +#define portMPU_MAIR_ATTR6_POS ( 16UL ) +#define portMPU_MAIR_ATTR6_MASK ( 0x00ff0000 ) + +#define portMPU_MAIR_ATTR7_POS ( 24UL ) +#define portMPU_MAIR_ATTR7_MASK ( 0xff000000 ) + +#define portMPU_RLAR_ATTR_INDEX0 ( 0UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX1 ( 1UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX2 ( 2UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX3 ( 3UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX4 ( 4UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX5 ( 5UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX6 ( 6UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX7 ( 7UL << 1UL ) + +#define portMPU_RLAR_REGION_ENABLE ( 1UL ) + +/* Enable privileged access to unmapped region. */ +#define portMPU_PRIV_BACKGROUND_ENABLE ( 1UL << 2UL ) + +/* Enable MPU. */ +#define portMPU_ENABLE ( 1UL << 0UL ) + +/* Expected value of the portMPU_TYPE register. */ +#define portEXPECTED_MPU_TYPE_VALUE ( 8UL << 8UL ) /* 8 regions, unified. */ +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to set up the initial stack. + */ +#define portINITIAL_XPSR ( 0x01000000 ) + +/** + * @brief Initial EXC_RETURN value. + * + * FF FF FF BC + * 1111 1111 1111 1111 1111 1111 1011 1100 + * + * Bit[6] - 0 --> The exception was taken from the Non-Secure state. + * Bit[5] - 1 --> Do not skip stacking of additional state context. + * Bit[4] - 1 --> The PE did not allocate space on the stack for FP context. + * Bit[3] - 1 --> Return to the Thread mode. + * Bit[2] - 1 --> Restore registers from the process stack. + * Bit[1] - 0 --> Reserved, 0. + * Bit[0] - 0 --> The exception was taken to the Non-Secure state. + */ +#define portINITIAL_EXC_RETURN ( 0xffffffbc ) + +/** + * @brief CONTROL register privileged bit mask. + * + * Bit[0] in CONTROL register tells the privilege: + * Bit[0] = 0 ==> The task is privileged. + * Bit[0] = 1 ==> The task is not privileged. + */ +#define portCONTROL_PRIVILEGED_MASK ( 1UL << 0UL ) + +/** + * @brief Initial CONTROL register values. + */ +#define portINITIAL_CONTROL_UNPRIVILEGED ( 0x3 ) +#define portINITIAL_CONTROL_PRIVILEGED ( 0x2 ) + +/** + * @brief Let the user override the pre-loading of the initial LR with the + * address of prvTaskExitError() in case it messes up unwinding of the stack + * in the debugger. + */ +#ifdef configTASK_RETURN_ADDRESS + #define portTASK_RETURN_ADDRESS configTASK_RETURN_ADDRESS +#else + #define portTASK_RETURN_ADDRESS prvTaskExitError +#endif + +/** + * @brief If portPRELOAD_REGISTERS then registers will be given an initial value + * when a task is created. This helps in debugging at the cost of code size. + */ +#define portPRELOAD_REGISTERS 1 + +/** + * @brief A task is created without a secure context, and must call + * portALLOCATE_SECURE_CONTEXT() to give itself a secure context before it makes + * any secure calls. + */ +#define portNO_SECURE_CONTEXT 0 +/*-----------------------------------------------------------*/ + +/** + * @brief Setup the timer to generate the tick interrupts. + */ +static void prvSetupTimerInterrupt( void ) PRIVILEGED_FUNCTION; + +/** + * @brief Used to catch tasks that attempt to return from their implementing + * function. + */ +static void prvTaskExitError( void ); + +#if( configENABLE_MPU == 1 ) + /** + * @brief Setup the Memory Protection Unit (MPU). + */ + static void prvSetupMPU( void ) PRIVILEGED_FUNCTION; +#endif /* configENABLE_MPU */ + +#if( configENABLE_FPU == 1 ) + /** + * @brief Setup the Floating Point Unit (FPU). + */ + static void prvSetupFPU( void ) PRIVILEGED_FUNCTION; +#endif /* configENABLE_FPU */ + +/** + * @brief Yield the processor. + */ +void vPortYield( void ) PRIVILEGED_FUNCTION; + +/** + * @brief Enter critical section. + */ +void vPortEnterCritical( void ) PRIVILEGED_FUNCTION; + +/** + * @brief Exit from critical section. + */ +void vPortExitCritical( void ) PRIVILEGED_FUNCTION; + +/** + * @brief SysTick handler. + */ +void SysTick_Handler( void ) PRIVILEGED_FUNCTION; + +/** + * @brief C part of SVC handler. + */ +void vPortSVCHandler_C( uint32_t *pulCallerStackAddress ) PRIVILEGED_FUNCTION; +/*-----------------------------------------------------------*/ + +/** + * @brief Each task maintains its own interrupt status in the critical nesting + * variable. + */ +static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaUL; + +#if( configENABLE_TRUSTZONE == 1 ) + /** + * @brief Saved as part of the task context to indicate which context the + * task is using on the secure side. + */ + volatile SecureContextHandle_t xSecureContext = portNO_SECURE_CONTEXT; +#endif /* configENABLE_TRUSTZONE */ +/*-----------------------------------------------------------*/ + +static void prvSetupTimerInterrupt( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Stop and reset the SysTick. */ + *( portNVIC_SYSTICK_CTRL ) = 0UL; + *( portNVIC_SYSTICK_CURRENT_VALUE ) = 0UL; + + /* Configure SysTick to interrupt at the requested rate. */ + *( portNVIC_SYSTICK_LOAD ) = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL; + *( portNVIC_SYSTICK_CTRL ) = portNVIC_SYSTICK_CLK | portNVIC_SYSTICK_INT | portNVIC_SYSTICK_ENABLE; +} +/*-----------------------------------------------------------*/ + +static void prvTaskExitError( void ) +{ +volatile uint32_t ulDummy = 0UL; + + /* A function that implements a task must not exit or attempt to return to + * its caller as there is nothing to return to. If a task wants to exit it + * should instead call vTaskDelete( NULL ). Artificially force an assert() + * to be triggered if configASSERT() is defined, then stop here so + * application writers can catch the error. */ + configASSERT( ulCriticalNesting == ~0UL ); + portDISABLE_INTERRUPTS(); + + while( ulDummy == 0 ) + { + /* This file calls prvTaskExitError() after the scheduler has been + * started to remove a compiler warning about the function being + * defined but never called. ulDummy is used purely to quieten other + * warnings about code appearing after this function is called - making + * ulDummy volatile makes the compiler think the function could return + * and therefore not output an 'unreachable code' warning for code that + * appears after it. */ + } +} +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + static void prvSetupMPU( void ) /* PRIVILEGED_FUNCTION */ + { + #if defined( __ARMCC_VERSION ) + /* Declaration when these variable are defined in code instead of being + * exported from linker scripts. */ + extern uint32_t * __privileged_functions_start__; + extern uint32_t * __privileged_functions_end__; + extern uint32_t * __syscalls_flash_start__; + extern uint32_t * __unprivileged_flash_end__; + extern uint32_t * __privileged_sram_start__; + extern uint32_t * __privileged_sram_end__; + #else + /* Declaration when these variable are exported from linker scripts. */ + extern uint32_t __privileged_functions_start__[]; + extern uint32_t __privileged_functions_end__[]; + extern uint32_t __syscalls_flash_start__[]; + extern uint32_t __unprivileged_flash_end__[]; + extern uint32_t __privileged_sram_start__[]; + extern uint32_t __privileged_sram_end__[]; + #endif /* defined( __ARMCC_VERSION ) */ + + /* Check that the MPU is present. */ + if( portMPU_TYPE_REG == portEXPECTED_MPU_TYPE_VALUE ) + { + /* MAIR0 - Index 0. */ + portMPU_MAIR0_REG |= ( ( portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE << portMPU_MAIR_ATTR0_POS ) & portMPU_MAIR_ATTR0_MASK ); + /* MAIR0 - Index 1. */ + portMPU_MAIR0_REG |= ( ( portMPU_DEVICE_MEMORY_nGnRE << portMPU_MAIR_ATTR1_POS ) & portMPU_MAIR_ATTR1_MASK ); + + /* Setup privileged flash as Read Only so that privileged tasks can + * read it but not modify. */ + portMPU_RNR_REG = portPRIVILEGED_FLASH_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) __privileged_functions_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_PRIVILEGED_READ_ONLY ); + portMPU_RLAR_REG = ( ( ( uint32_t ) __privileged_functions_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Setup unprivileged flash and system calls flash as Read Only by + * both privileged and unprivileged tasks. All tasks can read it but + * no-one can modify. */ + portMPU_RNR_REG = portUNPRIVILEGED_FLASH_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) __syscalls_flash_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_READ_ONLY ); + portMPU_RLAR_REG = ( ( ( uint32_t ) __unprivileged_flash_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Setup RAM containing kernel data for privileged access only. */ + portMPU_RNR_REG = portPRIVILEGED_RAM_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) __privileged_sram_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_PRIVILEGED_READ_WRITE ) | + ( portMPU_REGION_EXECUTE_NEVER ); + portMPU_RLAR_REG = ( ( ( uint32_t ) __privileged_sram_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* By default allow everything to access the general peripherals. + * The system peripherals and registers are protected. */ + portMPU_RNR_REG = portUNPRIVILEGED_DEVICE_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) portDEVICE_REGION_START_ADDRESS ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_READ_WRITE ) | + ( portMPU_REGION_EXECUTE_NEVER ); + portMPU_RLAR_REG = ( ( ( uint32_t ) portDEVICE_REGION_END_ADDRESS ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX1 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Enable mem fault. */ + portSCB_SYS_HANDLER_CTRL_STATE_REG |= portSCB_MEM_FAULT_ENABLE; + + /* Enable MPU with privileged background access i.e. unmapped + * regions have privileged access. */ + portMPU_CTRL_REG |= ( portMPU_PRIV_BACKGROUND_ENABLE | portMPU_ENABLE ); + } + } +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +#if( configENABLE_FPU == 1 ) + static void prvSetupFPU( void ) /* PRIVILEGED_FUNCTION */ + { + #if( configENABLE_TRUSTZONE == 1 ) + { + /* Enable non-secure access to the FPU. */ + SecureInit_EnableNSFPUAccess(); + } + #endif /* configENABLE_TRUSTZONE */ + + /* CP10 = 11 ==> Full access to FPU i.e. both privileged and + * unprivileged code should be able to access FPU. CP11 should be + * programmed to the same value as CP10. */ + *( portCPACR ) |= ( ( portCPACR_CP10_VALUE << portCPACR_CP10_POS ) | + ( portCPACR_CP11_VALUE << portCPACR_CP11_POS ) + ); + + /* ASPEN = 1 ==> Hardware should automatically preserve floating point + * context on exception entry and restore on exception return. + * LSPEN = 1 ==> Enable lazy context save of FP state. */ + *( portFPCCR ) |= ( portFPCCR_ASPEN_MASK | portFPCCR_LSPEN_MASK ); + } +#endif /* configENABLE_FPU */ +/*-----------------------------------------------------------*/ + +void vPortYield( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Set a PendSV to request a context switch. */ + *( portNVIC_INT_CTRL ) = portNVIC_PENDSVSET; + + /* Barriers are normally not required but do ensure the code is + * completely within the specified behaviour for the architecture. */ + __asm volatile( "dsb" ::: "memory" ); + __asm volatile( "isb" ); +} +/*-----------------------------------------------------------*/ + +void vPortEnterCritical( void ) /* PRIVILEGED_FUNCTION */ +{ + portDISABLE_INTERRUPTS(); + ulCriticalNesting++; + + /* Barriers are normally not required but do ensure the code is + * completely within the specified behaviour for the architecture. */ + __asm volatile( "dsb" ::: "memory" ); + __asm volatile( "isb" ); +} +/*-----------------------------------------------------------*/ + +void vPortExitCritical( void ) /* PRIVILEGED_FUNCTION */ +{ + configASSERT( ulCriticalNesting ); + ulCriticalNesting--; + + if( ulCriticalNesting == 0 ) + { + portENABLE_INTERRUPTS(); + } +} +/*-----------------------------------------------------------*/ + +void SysTick_Handler( void ) /* PRIVILEGED_FUNCTION */ +{ +uint32_t ulPreviousMask; + + ulPreviousMask = portSET_INTERRUPT_MASK_FROM_ISR(); + { + /* Increment the RTOS tick. */ + if( xTaskIncrementTick() != pdFALSE ) + { + /* Pend a context switch. */ + *( portNVIC_INT_CTRL ) = portNVIC_PENDSVSET; + } + } + portCLEAR_INTERRUPT_MASK_FROM_ISR( ulPreviousMask ); +} +/*-----------------------------------------------------------*/ + +void vPortSVCHandler_C( uint32_t *pulCallerStackAddress ) /* PRIVILEGED_FUNCTION */ +{ +#if( configENABLE_MPU == 1 ) + #if defined( __ARMCC_VERSION ) + /* Declaration when these variable are defined in code instead of being + * exported from linker scripts. */ + extern uint32_t * __syscalls_flash_start__; + extern uint32_t * __syscalls_flash_end__; + #else + /* Declaration when these variable are exported from linker scripts. */ + extern uint32_t __syscalls_flash_start__[]; + extern uint32_t __syscalls_flash_end__[]; + #endif /* defined( __ARMCC_VERSION ) */ +#endif /* configENABLE_MPU */ + +uint32_t ulPC; + +#if( configENABLE_TRUSTZONE == 1 ) + uint32_t ulR0; + #if( configENABLE_MPU == 1 ) + uint32_t ulControl, ulIsTaskPrivileged; + #endif /* configENABLE_MPU */ +#endif /* configENABLE_TRUSTZONE */ +uint8_t ucSVCNumber; + + /* Register are stored on the stack in the following order - R0, R1, R2, R3, + * R12, LR, PC, xPSR. */ + ulPC = pulCallerStackAddress[ 6 ]; + ucSVCNumber = ( ( uint8_t *) ulPC )[ -2 ]; + + switch( ucSVCNumber ) + { + #if( configENABLE_TRUSTZONE == 1 ) + case portSVC_ALLOCATE_SECURE_CONTEXT: + { + /* R0 contains the stack size passed as parameter to the + * vPortAllocateSecureContext function. */ + ulR0 = pulCallerStackAddress[ 0 ]; + + #if( configENABLE_MPU == 1 ) + { + /* Read the CONTROL register value. */ + __asm volatile ( "mrs %0, control" : "=r" ( ulControl ) ); + + /* The task that raised the SVC is privileged if Bit[0] + * in the CONTROL register is 0. */ + ulIsTaskPrivileged = ( ( ulControl & portCONTROL_PRIVILEGED_MASK ) == 0 ); + + /* Allocate and load a context for the secure task. */ + xSecureContext = SecureContext_AllocateContext( ulR0, ulIsTaskPrivileged ); + } + #else + { + /* Allocate and load a context for the secure task. */ + xSecureContext = SecureContext_AllocateContext( ulR0 ); + } + #endif /* configENABLE_MPU */ + + configASSERT( xSecureContext != NULL ); + SecureContext_LoadContext( xSecureContext ); + } + break; + + case portSVC_FREE_SECURE_CONTEXT: + { + /* R0 contains the secure context handle to be freed. */ + ulR0 = pulCallerStackAddress[ 0 ]; + + /* Free the secure context. */ + SecureContext_FreeContext( ( SecureContextHandle_t ) ulR0 ); + } + break; + #endif /* configENABLE_TRUSTZONE */ + + case portSVC_START_SCHEDULER: + { + #if( configENABLE_TRUSTZONE == 1 ) + { + /* De-prioritize the non-secure exceptions so that the + * non-secure pendSV runs at the lowest priority. */ + SecureInit_DePrioritizeNSExceptions(); + + /* Initialize the secure context management system. */ + SecureContext_Init(); + } + #endif /* configENABLE_TRUSTZONE */ + + #if( configENABLE_FPU == 1 ) + { + /* Setup the Floating Point Unit (FPU). */ + prvSetupFPU(); + } + #endif /* configENABLE_FPU */ + + /* Setup the context of the first task so that the first task starts + * executing. */ + vRestoreContextOfFirstTask(); + } + break; + + #if( configENABLE_MPU == 1 ) + case portSVC_RAISE_PRIVILEGE: + { + /* Only raise the privilege, if the svc was raised from any of + * the system calls. */ + if( ulPC >= ( uint32_t ) __syscalls_flash_start__ && + ulPC <= ( uint32_t ) __syscalls_flash_end__ ) + { + vRaisePrivilege(); + } + } + break; + #endif /* configENABLE_MPU */ + + default: + { + /* Incorrect SVC call. */ + configASSERT( pdFALSE ); + } + } +} +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, StackType_t *pxEndOfStack, TaskFunction_t pxCode, void *pvParameters, BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */ +#else + StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, StackType_t *pxEndOfStack, TaskFunction_t pxCode, void *pvParameters ) /* PRIVILEGED_FUNCTION */ +#endif /* configENABLE_MPU */ +{ + /* Simulate the stack frame as it would be created by a context switch + * interrupt. */ + #if( portPRELOAD_REGISTERS == 0 ) + { + pxTopOfStack--; /* Offset added to account for the way the MCU uses the stack on entry/exit of interrupts. */ + *pxTopOfStack = portINITIAL_XPSR; /* xPSR */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxCode; /* PC */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* LR */ + pxTopOfStack -= 5; /* R12, R3, R2 and R1. */ + *pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */ + pxTopOfStack -= 9; /* R11..R4, EXC_RETURN. */ + *pxTopOfStack = portINITIAL_EXC_RETURN; + + #if( configENABLE_MPU == 1 ) + { + pxTopOfStack--; + if( xRunPrivileged == pdTRUE ) + { + *pxTopOfStack = portINITIAL_CONTROL_PRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + else + { + *pxTopOfStack = portINITIAL_CONTROL_UNPRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + } + #endif /* configENABLE_MPU */ + + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxEndOfStack; /* Slot used to hold this task's PSPLIM value. */ + + #if( configENABLE_TRUSTZONE == 1 ) + { + pxTopOfStack--; + *pxTopOfStack = portNO_SECURE_CONTEXT; /* Slot used to hold this task's xSecureContext value. */ + } + #endif /* configENABLE_TRUSTZONE */ + } + #else /* portPRELOAD_REGISTERS */ + { + pxTopOfStack--; /* Offset added to account for the way the MCU uses the stack on entry/exit of interrupts. */ + *pxTopOfStack = portINITIAL_XPSR; /* xPSR */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxCode; /* PC */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* LR */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x12121212UL; /* R12 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x03030303UL; /* R3 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x02020202UL; /* R2 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x01010101UL; /* R1 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x11111111UL; /* R11 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x10101010UL; /* R10 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x09090909UL; /* R09 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x08080808UL; /* R08 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x07070707UL; /* R07 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x06060606UL; /* R06 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x05050505UL; /* R05 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x04040404UL; /* R04 */ + pxTopOfStack--; + *pxTopOfStack = portINITIAL_EXC_RETURN; /* EXC_RETURN */ + + #if( configENABLE_MPU == 1 ) + { + pxTopOfStack--; + if( xRunPrivileged == pdTRUE ) + { + *pxTopOfStack = portINITIAL_CONTROL_PRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + else + { + *pxTopOfStack = portINITIAL_CONTROL_UNPRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + } + #endif /* configENABLE_MPU */ + + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxEndOfStack; /* Slot used to hold this task's PSPLIM value. */ + + #if( configENABLE_TRUSTZONE == 1 ) + { + pxTopOfStack--; + *pxTopOfStack = portNO_SECURE_CONTEXT; /* Slot used to hold this task's xSecureContext value. */ + } + #endif /* configENABLE_TRUSTZONE */ + } + #endif /* portPRELOAD_REGISTERS */ + + return pxTopOfStack; +} +/*-----------------------------------------------------------*/ + +BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Make PendSV, CallSV and SysTick the same priority as the kernel. */ + *( portNVIC_SYSPRI2 ) |= portNVIC_PENDSV_PRI; + *( portNVIC_SYSPRI2 ) |= portNVIC_SYSTICK_PRI; + + #if( configENABLE_MPU == 1 ) + { + /* Setup the Memory Protection Unit (MPU). */ + prvSetupMPU(); + } + #endif /* configENABLE_MPU */ + + /* Start the timer that generates the tick ISR. Interrupts are disabled + * here already. */ + prvSetupTimerInterrupt(); + + /* Initialize the critical nesting count ready for the first task. */ + ulCriticalNesting = 0; + + /* Start the first task. */ + vStartFirstTask(); + + /* Should never get here as the tasks will now be executing. Call the task + * exit error function to prevent compiler warnings about a static function + * not being called in the case that the application writer overrides this + * functionality by defining configTASK_RETURN_ADDRESS. Call + * vTaskSwitchContext() so link time optimization does not remove the + * symbol. */ + vTaskSwitchContext(); + prvTaskExitError(); + + /* Should not get here. */ + return 0; +} +/*-----------------------------------------------------------*/ + +void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Not implemented in ports where there is nothing to return to. + * Artificially force an assert. */ + configASSERT( ulCriticalNesting == 1000UL ); +} +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + void vPortStoreTaskMPUSettings( xMPU_SETTINGS *xMPUSettings, const struct xMEMORY_REGION * const xRegions, StackType_t *pxBottomOfStack, uint32_t ulStackDepth ) + { + uint32_t ulRegionStartAddress, ulRegionEndAddress, ulRegionNumber; + int32_t lIndex = 0; + + /* Setup MAIR0. */ + xMPUSettings->ulMAIR0 = ( ( portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE << portMPU_MAIR_ATTR0_POS ) & portMPU_MAIR_ATTR0_MASK ); + xMPUSettings->ulMAIR0 |= ( ( portMPU_DEVICE_MEMORY_nGnRE << portMPU_MAIR_ATTR1_POS ) & portMPU_MAIR_ATTR1_MASK ); + + /* This function is called automatically when the task is created - in + * which case the stack region parameters will be valid. At all other + * times the stack parameters will not be valid and it is assumed that + * the stack region has already been configured. */ + if( ulStackDepth > 0 ) + { + /* Define the region that allows access to the stack. */ + ulRegionStartAddress = ( ( uint32_t ) pxBottomOfStack ) & portMPU_RBAR_ADDRESS_MASK; + ulRegionEndAddress = ( uint32_t ) pxBottomOfStack + ( ulStackDepth * ( uint32_t ) sizeof( StackType_t ) ) - 1; + ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK; + + xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = ( ulRegionStartAddress ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_READ_WRITE ) | + ( portMPU_REGION_EXECUTE_NEVER ); + + xMPUSettings->xRegionsSettings[ 0 ].ulRLAR = ( ulRegionEndAddress ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + } + + /* User supplied configurable regions. */ + for( ulRegionNumber = 1; ulRegionNumber <= portNUM_CONFIGURABLE_REGIONS; ulRegionNumber++ ) + { + /* If xRegions is NULL i.e. the task has not specified any MPU + * region, the else part ensures that all the configurable MPU + * regions are invalidated. */ + if( ( xRegions != NULL ) && ( xRegions[ lIndex ].ulLengthInBytes > 0UL ) ) + { + /* Translate the generic region definition contained in xRegions + * into the ARMv8 specific MPU settings that are then stored in + * xMPUSettings. */ + ulRegionStartAddress = ( ( uint32_t ) xRegions[ lIndex ].pvBaseAddress ) & portMPU_RBAR_ADDRESS_MASK; + ulRegionEndAddress = ( uint32_t ) xRegions[ lIndex ].pvBaseAddress + xRegions[ lIndex ].ulLengthInBytes - 1; + ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK; + + /* Start address. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR = ( ulRegionStartAddress ) | + ( portMPU_REGION_NON_SHAREABLE ); + + /* RO/RW. */ + if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_READ_ONLY ) != 0 ) + { + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR |= ( portMPU_REGION_READ_ONLY ); + } + else + { + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR |= ( portMPU_REGION_READ_WRITE ); + } + + /* XN. */ + if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_EXECUTE_NEVER ) != 0 ) + { + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR |= ( portMPU_REGION_EXECUTE_NEVER ); + } + + /* End Address. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Normal memory/ Device memory. */ + if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 ) + { + /* Attr1 in MAIR0 is configured as device memory. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= portMPU_RLAR_ATTR_INDEX1; + } + else + { + /* Attr1 in MAIR0 is configured as normal memory. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= portMPU_RLAR_ATTR_INDEX0; + } + } + else + { + /* Invalidate the region. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR = 0UL; + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = 0UL; + } + + lIndex++; + } + } +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/portasm.c b/FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/portasm.c new file mode 100644 index 000000000..b8fd05bfa --- /dev/null +++ b/FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/portasm.c @@ -0,0 +1,285 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Standard includes. */ +#include + +/* Portasm includes. */ +#include "portasm.h" + +void vRestoreContextOfFirstTask( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " .syntax unified \n" + " \n" + " ldr r2, pxCurrentTCBConst2 \n" /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + " ldr r1, [r2] \n" /* Read pxCurrentTCB. */ + " ldr r0, [r1] \n" /* Read top of stack from TCB - The first item in pxCurrentTCB is the task top of stack. */ + " \n" + #if( configENABLE_MPU == 1 ) + " adds r1, #4 \n" /* r1 = r1 + 4. r1 now points to MAIR0 in TCB. */ + " ldr r3, [r1] \n" /* r3 = *r1 i.e. r3 = MAIR0. */ + " ldr r2, xMAIR0Const2 \n" /* r2 = 0xe000edc0 [Location of MAIR0]. */ + " str r3, [r2] \n" /* Program MAIR0. */ + " ldr r2, xRNRConst2 \n" /* r2 = 0xe000ed98 [Location of RNR]. */ + " movs r3, #4 \n" /* r3 = 4. */ + " str r3, [r2] \n" /* Program RNR = 4. */ + " adds r1, #4 \n" /* r1 = r1 + 4. r1 now points to first RBAR in TCB. */ + " ldr r2, xRBARConst2 \n" /* r2 = 0xe000ed9c [Location of RBAR]. */ + " ldmia r1!, {r4-r11} \n" /* Read 4 set of RBAR/RLAR registers from TCB. */ + " stmia r2!, {r4-r11} \n" /* Write 4 set of RBAR/RLAR registers using alias registers. */ + #endif /* configENABLE_MPU */ + " \n" + #if( configENABLE_MPU == 1 ) + " ldm r0!, {r1-r3} \n" /* Read from stack - r1 = PSPLIM, r2 = CONTROL and r3 = EXC_RETURN. */ + " msr psplim, r1 \n" /* Set this task's PSPLIM value. */ + " msr control, r2 \n" /* Set this task's CONTROL value. */ + " adds r0, #32 \n" /* Discard everything up to r0. */ + " msr psp, r0 \n" /* This is now the new top of stack to use in the task. */ + " isb \n" + " bx r3 \n" /* Finally, branch to EXC_RETURN. */ + #else /* configENABLE_MPU */ + " ldm r0!, {r1-r2} \n" /* Read from stack - r1 = PSPLIM and r2 = EXC_RETURN. */ + " msr psplim, r1 \n" /* Set this task's PSPLIM value. */ + " movs r1, #2 \n" /* r1 = 2. */ + " msr CONTROL, r1 \n" /* Switch to use PSP in the thread mode. */ + " adds r0, #32 \n" /* Discard everything up to r0. */ + " msr psp, r0 \n" /* This is now the new top of stack to use in the task. */ + " isb \n" + " bx r2 \n" /* Finally, branch to EXC_RETURN. */ + #endif /* configENABLE_MPU */ + " \n" + " .align 4 \n" + "pxCurrentTCBConst2: .word pxCurrentTCB \n" + #if( configENABLE_MPU == 1 ) + "xMAIR0Const2: .word 0xe000edc0 \n" + "xRNRConst2: .word 0xe000ed98 \n" + "xRBARConst2: .word 0xe000ed9c \n" + #endif /* configENABLE_MPU */ + ); +} +/*-----------------------------------------------------------*/ + +BaseType_t xIsPrivileged( void ) /* __attribute__ (( naked )) */ +{ + __asm volatile + ( + " mrs r0, control \n" /* r0 = CONTROL. */ + " tst r0, #1 \n" /* Perform r0 & 1 (bitwise AND) and update the conditions flag. */ + " ite ne \n" + " movne r0, #0 \n" /* CONTROL[0]!=0. Return false to indicate that the processor is not privileged. */ + " moveq r0, #1 \n" /* CONTROL[0]==0. Return true to indicate that the processor is privileged. */ + " bx lr \n" /* Return. */ + " \n" + " .align 4 \n" + ::: "r0", "memory" + ); +} +/*-----------------------------------------------------------*/ + +void vRaisePrivilege( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " mrs r0, control \n" /* Read the CONTROL register. */ + " bic r0, #1 \n" /* Clear the bit 0. */ + " msr control, r0 \n" /* Write back the new CONTROL value. */ + " bx lr \n" /* Return to the caller. */ + ::: "r0", "memory" + ); +} +/*-----------------------------------------------------------*/ + +void vResetPrivilege( void ) /* __attribute__ (( naked )) */ +{ + __asm volatile + ( + " mrs r0, control \n" /* r0 = CONTROL. */ + " orr r0, #1 \n" /* r0 = r0 | 1. */ + " msr control, r0 \n" /* CONTROL = r0. */ + " bx lr \n" /* Return to the caller. */ + :::"r0", "memory" + ); +} +/*-----------------------------------------------------------*/ + +void vStartFirstTask( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " ldr r0, xVTORConst \n" /* Use the NVIC offset register to locate the stack. */ + " ldr r0, [r0] \n" /* Read the VTOR register which gives the address of vector table. */ + " ldr r0, [r0] \n" /* The first entry in vector table is stack pointer. */ + " msr msp, r0 \n" /* Set the MSP back to the start of the stack. */ + " cpsie i \n" /* Globally enable interrupts. */ + " cpsie f \n" + " dsb \n" + " isb \n" + " svc %0 \n" /* System call to start the first task. */ + " nop \n" + " \n" + " .align 4 \n" + "xVTORConst: .word 0xe000ed08 \n" + :: "i" ( portSVC_START_SCHEDULER ) : "memory" + ); +} +/*-----------------------------------------------------------*/ + +uint32_t ulSetInterruptMaskFromISR( void ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " mrs r0, PRIMASK \n" + " cpsid i \n" + " bx lr \n" + ::: "memory" + ); + +#if !defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) + /* To avoid compiler warnings. The return statement will never be reached, + * but some compilers warn if it is not included, while others won't compile + * if it is. */ + return 0; +#endif +} +/*-----------------------------------------------------------*/ + +void vClearInterruptMaskFromISR( __attribute__( ( unused ) ) uint32_t ulMask ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " msr PRIMASK, r0 \n" + " bx lr \n" + ::: "memory" + ); + +#if !defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) + /* Just to avoid compiler warning. ulMask is used from the asm code but + * the compiler can't see that. Some compilers generate warnings without + * the following line, while others generate warnings if the line is + * included. */ + ( void ) ulMask; +#endif +} +/*-----------------------------------------------------------*/ + +void PendSV_Handler( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " .syntax unified \n" + " \n" + " mrs r0, psp \n" /* Read PSP in r0. */ + #if( configENABLE_FPU == 1 ) + " tst lr, #0x10 \n" /* Test Bit[4] in LR. Bit[4] of EXC_RETURN is 0 if the FPU is in use. */ + " it eq \n" + " vstmdbeq r0!, {s16-s31} \n" /* Store the FPU registers which are not saved automatically. */ + #endif /* configENABLE_FPU */ + #if( configENABLE_MPU == 1 ) + " mrs r1, psplim \n" /* r1 = PSPLIM. */ + " mrs r2, control \n" /* r2 = CONTROL. */ + " mov r3, lr \n" /* r3 = LR/EXC_RETURN. */ + " stmdb r0!, {r1-r11} \n" /* Store on the stack - PSPLIM, CONTROL, LR and registers that are not automatically saved. */ + #else /* configENABLE_MPU */ + " mrs r2, psplim \n" /* r2 = PSPLIM. */ + " mov r3, lr \n" /* r3 = LR/EXC_RETURN. */ + " stmdb r0!, {r2-r11} \n" /* Store on the stack - PSPLIM, LR and registers that are not automatically saved. */ + #endif /* configENABLE_MPU */ + " \n" + " ldr r2, pxCurrentTCBConst \n" /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + " ldr r1, [r2] \n" /* Read pxCurrentTCB. */ + " str r0, [r1] \n" /* Save the new top of stack in TCB. */ + " \n" + " cpsid i \n" + " bl vTaskSwitchContext \n" + " cpsie i \n" + " \n" + " ldr r2, pxCurrentTCBConst \n" /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + " ldr r1, [r2] \n" /* Read pxCurrentTCB. */ + " ldr r0, [r1] \n" /* The first item in pxCurrentTCB is the task top of stack. r0 now points to the top of stack. */ + " \n" + #if( configENABLE_MPU == 1 ) + " adds r1, #4 \n" /* r1 = r1 + 4. r1 now points to MAIR0 in TCB. */ + " ldr r3, [r1] \n" /* r3 = *r1 i.e. r3 = MAIR0. */ + " ldr r2, xMAIR0Const \n" /* r2 = 0xe000edc0 [Location of MAIR0]. */ + " str r3, [r2] \n" /* Program MAIR0. */ + " ldr r2, xRNRConst \n" /* r2 = 0xe000ed98 [Location of RNR]. */ + " movs r3, #4 \n" /* r3 = 4. */ + " str r3, [r2] \n" /* Program RNR = 4. */ + " adds r1, #4 \n" /* r1 = r1 + 4. r1 now points to first RBAR in TCB. */ + " ldr r2, xRBARConst \n" /* r2 = 0xe000ed9c [Location of RBAR]. */ + " ldmia r1!, {r4-r11} \n" /* Read 4 sets of RBAR/RLAR registers from TCB. */ + " stmia r2!, {r4-r11} \n" /* Write 4 set of RBAR/RLAR registers using alias registers. */ + #endif /* configENABLE_MPU */ + " \n" + #if( configENABLE_MPU == 1 ) + " ldmia r0!, {r1-r11} \n" /* Read from stack - r1 = PSPLIM, r2 = CONTROL, r3 = LR and r4-r11 restored. */ + #else /* configENABLE_MPU */ + " ldmia r0!, {r2-r11} \n" /* Read from stack - r2 = PSPLIM, r3 = LR and r4-r11 restored. */ + #endif /* configENABLE_MPU */ + " \n" + #if( configENABLE_FPU == 1 ) + " tst r3, #0x10 \n" /* Test Bit[4] in LR. Bit[4] of EXC_RETURN is 0 if the FPU is in use. */ + " it eq \n" + " vldmiaeq r0!, {s16-s31} \n" /* Restore the FPU registers which are not restored automatically. */ + #endif /* configENABLE_FPU */ + " \n" + #if( configENABLE_MPU == 1 ) + " msr psplim, r1 \n" /* Restore the PSPLIM register value for the task. */ + " msr control, r2 \n" /* Restore the CONTROL register value for the task. */ + #else /* configENABLE_MPU */ + " msr psplim, r2 \n" /* Restore the PSPLIM register value for the task. */ + #endif /* configENABLE_MPU */ + " msr psp, r0 \n" /* Remember the new top of stack for the task. */ + " bx r3 \n" + " \n" + " .align 4 \n" + "pxCurrentTCBConst: .word pxCurrentTCB \n" + "xMAIR0Const: .word 0xe000edc0 \n" + "xRNRConst: .word 0xe000ed98 \n" + "xRBARConst: .word 0xe000ed9c \n" + ); +} +/*-----------------------------------------------------------*/ + +void SVC_Handler( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ +{ + __asm volatile + ( + " tst lr, #4 \n" + " ite eq \n" + " mrseq r0, msp \n" + " mrsne r0, psp \n" + " ldr r1, svchandler_address_const \n" + " bx r1 \n" + " \n" + " .align 4 \n" + "svchandler_address_const: .word vPortSVCHandler_C \n" + ); +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/portasm.h b/FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/portasm.h new file mode 100644 index 000000000..63ebf136e --- /dev/null +++ b/FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/portasm.h @@ -0,0 +1,113 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __PORT_ASM_H__ +#define __PORT_ASM_H__ + +/* Scheduler includes. */ +#include "FreeRTOS.h" + +/* MPU wrappers includes. */ +#include "mpu_wrappers.h" + +/** + * @brief Restore the context of the first task so that the first task starts + * executing. + */ +void vRestoreContextOfFirstTask( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Checks whether or not the processor is privileged. + * + * @return 1 if the processor is already privileged, 0 otherwise. + */ +BaseType_t xIsPrivileged( void ) __attribute__ (( naked )); + +/** + * @brief Raises the privilege level by clearing the bit 0 of the CONTROL + * register. + * + * @note This is a privileged function and should only be called from the kenrel + * code. + * + * Bit 0 of the CONTROL register defines the privilege level of Thread Mode. + * Bit[0] = 0 --> The processor is running privileged + * Bit[0] = 1 --> The processor is running unprivileged. + */ +void vRaisePrivilege( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Lowers the privilege level by setting the bit 0 of the CONTROL + * register. + * + * Bit 0 of the CONTROL register defines the privilege level of Thread Mode. + * Bit[0] = 0 --> The processor is running privileged + * Bit[0] = 1 --> The processor is running unprivileged. + */ +void vResetPrivilege( void ) __attribute__ (( naked )); + +/** + * @brief Starts the first task. + */ +void vStartFirstTask( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Disables interrupts. + */ +uint32_t ulSetInterruptMaskFromISR( void ) __attribute__(( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Enables interrupts. + */ +void vClearInterruptMaskFromISR( uint32_t ulMask ) __attribute__(( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief PendSV Exception handler. + */ +void PendSV_Handler( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief SVC Handler. + */ +void SVC_Handler( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Allocate a Secure context for the calling task. + * + * @param[in] ulSecureStackSize The size of the stack to be allocated on the + * secure side for the calling task. + */ +void vPortAllocateSecureContext( uint32_t ulSecureStackSize ) __attribute__ (( naked )); + +/** + * @brief Free the task's secure context. + * + * @param[in] pulTCB Pointer to the Task Control Block (TCB) of the task. + */ +void vPortFreeSecureContext( uint32_t *pulTCB ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +#endif /* __PORT_ASM_H__ */ diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/portmacro.h b/FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/portmacro.h new file mode 100644 index 000000000..09d072352 --- /dev/null +++ b/FreeRTOS/Source/portable/GCC/ARM_CM33_NTZ/non_secure/portmacro.h @@ -0,0 +1,281 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef PORTMACRO_H +#define PORTMACRO_H + +#ifdef __cplusplus +extern "C" { +#endif + +/*------------------------------------------------------------------------------ + * Port specific definitions. + * + * The settings in this file configure FreeRTOS correctly for the given hardware + * and compiler. + * + * These settings should not be altered. + *------------------------------------------------------------------------------ + */ + +/** + * @brief Type definitions. + */ +#define portCHAR char +#define portFLOAT float +#define portDOUBLE double +#define portLONG long +#define portSHORT short +#define portSTACK_TYPE uint32_t +#define portBASE_TYPE long + +typedef portSTACK_TYPE StackType_t; +typedef long BaseType_t; +typedef unsigned long UBaseType_t; + +#if( configUSE_16_BIT_TICKS == 1 ) + typedef uint16_t TickType_t; + #define portMAX_DELAY ( TickType_t ) 0xffff +#else + typedef uint32_t TickType_t; + #define portMAX_DELAY ( TickType_t ) 0xffffffffUL + + /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do + * not need to be guarded with a critical section. */ + #define portTICK_TYPE_IS_ATOMIC 1 +#endif +/*-----------------------------------------------------------*/ + +/** + * Architecture specifics. + */ +#define portSTACK_GROWTH ( -1 ) +#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) +#define portBYTE_ALIGNMENT 8 +#define portNOP() +#define portINLINE __inline +#ifndef portFORCE_INLINE + #define portFORCE_INLINE inline __attribute__(( always_inline )) +#endif +#define portHAS_STACK_OVERFLOW_CHECKING 1 +/*-----------------------------------------------------------*/ + +/** + * @brief Extern declarations. + */ +extern void vPortYield( void ) /* PRIVILEGED_FUNCTION */; + +extern void vPortEnterCritical( void ) /* PRIVILEGED_FUNCTION */; +extern void vPortExitCritical( void ) /* PRIVILEGED_FUNCTION */; + +extern uint32_t ulSetInterruptMaskFromISR( void ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */; +extern void vClearInterruptMaskFromISR( uint32_t ulMask ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */; + +#if( configENABLE_TRUSTZONE == 1 ) + extern void vPortAllocateSecureContext( uint32_t ulSecureStackSize ); + extern void vPortFreeSecureContext( uint32_t *pulTCB ) /* PRIVILEGED_FUNCTION */; +#endif /* configENABLE_TRUSTZONE */ + +#if( configENABLE_MPU == 1 ) + extern BaseType_t xIsPrivileged( void ) /* __attribute__ (( naked )) */; + extern void vResetPrivilege( void ) /* __attribute__ (( naked )) */; +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +/** + * @brief MPU specific constants. + */ +#if( configENABLE_MPU == 1 ) + #define portUSING_MPU_WRAPPERS 1 + #define portPRIVILEGE_BIT ( 0x80000000UL ) +#else + #define portPRIVILEGE_BIT ( 0x0UL ) +#endif /* configENABLE_MPU */ + + +/* MPU regions. */ +#define portPRIVILEGED_FLASH_REGION ( 0UL ) +#define portUNPRIVILEGED_FLASH_REGION ( 1UL ) +#define portPRIVILEGED_RAM_REGION ( 2UL ) +#define portUNPRIVILEGED_DEVICE_REGION ( 3UL ) +#define portSTACK_REGION ( 4UL ) +#define portFIRST_CONFIGURABLE_REGION ( 5UL ) +#define portLAST_CONFIGURABLE_REGION ( 7UL ) +#define portNUM_CONFIGURABLE_REGIONS ( ( portLAST_CONFIGURABLE_REGION - portFIRST_CONFIGURABLE_REGION ) + 1 ) +#define portTOTAL_NUM_REGIONS ( portNUM_CONFIGURABLE_REGIONS + 1 ) /* Plus one to make space for the stack region. */ + +/* Devices Region. */ +#define portDEVICE_REGION_START_ADDRESS ( 0x50000000 ) +#define portDEVICE_REGION_END_ADDRESS ( 0x5FFFFFFF ) + +/* Device memory attributes used in MPU_MAIR registers. + * + * 8-bit values encoded as follows: + * Bit[7:4] - 0000 - Device Memory + * Bit[3:2] - 00 --> Device-nGnRnE + * 01 --> Device-nGnRE + * 10 --> Device-nGRE + * 11 --> Device-GRE + * Bit[1:0] - 00, Reserved. + */ +#define portMPU_DEVICE_MEMORY_nGnRnE ( 0x00 ) /* 0000 0000 */ +#define portMPU_DEVICE_MEMORY_nGnRE ( 0x04 ) /* 0000 0100 */ +#define portMPU_DEVICE_MEMORY_nGRE ( 0x08 ) /* 0000 1000 */ +#define portMPU_DEVICE_MEMORY_GRE ( 0x0C ) /* 0000 1100 */ + +/* Normal memory attributes used in MPU_MAIR registers. */ +#define portMPU_NORMAL_MEMORY_NON_CACHEABLE ( 0x44 ) /* Non-cacheable. */ +#define portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE ( 0xFF ) /* Non-Transient, Write-back, Read-Allocate and Write-Allocate. */ + +/* Attributes used in MPU_RBAR registers. */ +#define portMPU_REGION_NON_SHAREABLE ( 0UL << 3UL ) +#define portMPU_REGION_INNER_SHAREABLE ( 1UL << 3UL ) +#define portMPU_REGION_OUTER_SHAREABLE ( 2UL << 3UL ) + +#define portMPU_REGION_PRIVILEGED_READ_WRITE ( 0UL << 1UL ) +#define portMPU_REGION_READ_WRITE ( 1UL << 1UL ) +#define portMPU_REGION_PRIVILEGED_READ_ONLY ( 2UL << 1UL ) +#define portMPU_REGION_READ_ONLY ( 3UL << 1UL ) + +#define portMPU_REGION_EXECUTE_NEVER ( 1UL ) +/*-----------------------------------------------------------*/ + +/** + * @brief Settings to define an MPU region. + */ +typedef struct MPURegionSettings +{ + uint32_t ulRBAR; /**< RBAR for the region. */ + uint32_t ulRLAR; /**< RLAR for the region. */ +} MPURegionSettings_t; + +/** + * @brief MPU settings as stored in the TCB. + */ +typedef struct MPU_SETTINGS +{ + uint32_t ulMAIR0; /**< MAIR0 for the task containing attributes for all the 4 per task regions. */ + MPURegionSettings_t xRegionsSettings[ portTOTAL_NUM_REGIONS ]; /**< Settings for 4 per task regions. */ +} xMPU_SETTINGS; +/*-----------------------------------------------------------*/ + +/** + * @brief SVC numbers. + */ +#define portSVC_ALLOCATE_SECURE_CONTEXT 0 +#define portSVC_FREE_SECURE_CONTEXT 1 +#define portSVC_START_SCHEDULER 2 +#define portSVC_RAISE_PRIVILEGE 3 +/*-----------------------------------------------------------*/ + +/** + * @brief Scheduler utilities. + */ +#define portYIELD() vPortYield() +#define portNVIC_INT_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed04 ) ) +#define portNVIC_PENDSVSET_BIT ( 1UL << 28UL ) +#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT +#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x ) +/*-----------------------------------------------------------*/ + +/** + * @brief Critical section management. + */ +#define portSET_INTERRUPT_MASK_FROM_ISR() ulSetInterruptMaskFromISR() +#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vClearInterruptMaskFromISR( x ) +#define portDISABLE_INTERRUPTS() __asm volatile ( " cpsid i " ::: "memory" ) +#define portENABLE_INTERRUPTS() __asm volatile ( " cpsie i " ::: "memory" ) +#define portENTER_CRITICAL() vPortEnterCritical() +#define portEXIT_CRITICAL() vPortExitCritical() +/*-----------------------------------------------------------*/ + +/** + * @brief Task function macros as described on the FreeRTOS.org WEB site. + */ +#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) +#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters ) +/*-----------------------------------------------------------*/ + +#if( configENABLE_TRUSTZONE == 1 ) + /** + * @brief Allocate a secure context for the task. + * + * Tasks are not created with a secure context. Any task that is going to call + * secure functions must call portALLOCATE_SECURE_CONTEXT() to allocate itself a + * secure context before it calls any secure function. + * + * @param[in] ulSecureStackSize The size of the secure stack to be allocated. + */ + #define portALLOCATE_SECURE_CONTEXT( ulSecureStackSize ) vPortAllocateSecureContext( ulSecureStackSize ) + + /** + * @brief Called when a task is deleted to delete the task's secure context, + * if it has one. + * + * @param[in] pxTCB The TCB of the task being deleted. + */ + #define portCLEAN_UP_TCB( pxTCB ) vPortFreeSecureContext( ( uint32_t * ) pxTCB ) +#else + #define portALLOCATE_SECURE_CONTEXT( ulSecureStackSize ) + #define portCLEAN_UP_TCB( pxTCB ) +#endif /* configENABLE_TRUSTZONE */ +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + /** + * @brief Checks whether or not the processor is privileged. + * + * @return 1 if the processor is already privileged, 0 otherwise. + */ + #define portIS_PRIVILEGED() xIsPrivileged() + + /** + * @brief Raise an SVC request to raise privilege. + * + * The SVC handler checks that the SVC was raised from a system call and only + * then it raises the privilege. If this is called from any other place, + * the privilege is not raised. + */ + #define portRAISE_PRIVILEGE() __asm volatile ( "svc %0 \n" :: "i" ( portSVC_RAISE_PRIVILEGE ) : "memory" ); + + /** + * @brief Lowers the privilege level by setting the bit 0 of the CONTROL + * register. + */ + #define portRESET_PRIVILEGE() vResetPrivilege() +#else + #define portIS_PRIVILEGED() + #define portRAISE_PRIVILEGE() + #define portRESET_PRIVILEGE() +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +#ifdef __cplusplus +} +#endif + +#endif /* PORTMACRO_H */ diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/port.c b/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/port.c index 3d83a3b2c..86a175ada 100644 --- a/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/port.c +++ b/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/port.c @@ -114,13 +114,6 @@ static void prvSetupMPU( void ) PRIVILEGED_FUNCTION; */ static uint32_t prvGetMPURegionSizeSetting( uint32_t ulActualSizeInBytes ) PRIVILEGED_FUNCTION; -/* - * Checks to see if being called from the context of an unprivileged task, and - * if so raises the privilege level and returns false - otherwise does nothing - * other than return true. - */ -BaseType_t xPortRaisePrivilege( void ) __attribute__(( naked )); - /* * Setup the timer to generate the tick interrupts. The implementation in this * file is weak to allow application writers to change the timer used to @@ -146,6 +139,35 @@ static void prvRestoreContextOfFirstTask( void ) __attribute__(( naked )) PRIVIL */ static void prvSVCHandler( uint32_t *pulRegisters ) __attribute__(( noinline )) PRIVILEGED_FUNCTION; +/** + * @brief Checks whether or not the processor is privileged. + * + * @return 1 if the processor is already privileged, 0 otherwise. + */ +BaseType_t xIsPrivileged( void ) __attribute__ (( naked )); + +/** + * @brief Lowers the privilege level by setting the bit 0 of the CONTROL + * register. + * + * Bit 0 of the CONTROL register defines the privilege level of Thread Mode. + * Bit[0] = 0 --> The processor is running privileged + * Bit[0] = 1 --> The processor is running unprivileged. + */ +void vResetPrivilege( void ) __attribute__ (( naked )); + +/** + * @brief Calls the port specific code to raise the privilege. + * + * @return pdFALSE if privilege was raised, pdTRUE otherwise. + */ +extern BaseType_t xPortRaisePrivilege( void ); + +/** + * @brief If xRunningPrivileged is not pdTRUE, calls the port specific + * code to reset the privilege, otherwise does nothing. + */ +extern void vPortResetPrivilege( BaseType_t xRunningPrivileged ); /*-----------------------------------------------------------*/ /* Each task maintains its own interrupt status in the critical nesting @@ -585,21 +607,33 @@ uint32_t ulRegionSize, ulReturnValue = 4; } /*-----------------------------------------------------------*/ -BaseType_t xPortRaisePrivilege( void ) +BaseType_t xIsPrivileged( void ) /* __attribute__ (( naked )) */ { __asm volatile ( - " mrs r0, control \n" - " tst r0, #1 \n" /* Is the task running privileged? */ - " itte ne \n" - " movne r0, #0 \n" /* CONTROL[0]!=0, return false. */ - " svcne %0 \n" /* Switch to privileged. */ - " moveq r0, #1 \n" /* CONTROL[0]==0, return true. */ - " bx lr \n" - :: "i" (portSVC_RAISE_PRIVILEGE) : "r0", "memory" + " mrs r0, control \n" /* r0 = CONTROL. */ + " tst r0, #1 \n" /* Perform r0 & 1 (bitwise AND) and update the conditions flag. */ + " ite ne \n" + " movne r0, #0 \n" /* CONTROL[0]!=0. Return false to indicate that the processor is not privileged. */ + " moveq r0, #1 \n" /* CONTROL[0]==0. Return true to indicate that the processor is privileged. */ + " bx lr \n" /* Return. */ + " \n" + " .align 4 \n" + ::: "r0", "memory" ); +} +/*-----------------------------------------------------------*/ - return 0; +void vResetPrivilege( void ) /* __attribute__ (( naked )) */ +{ + __asm volatile + ( + " mrs r0, control \n" /* r0 = CONTROL. */ + " orr r0, #1 \n" /* r0 = r0 | 1. */ + " msr control, r0 \n" /* CONTROL = r0. */ + " bx lr \n" /* Return to the caller. */ + :::"r0", "memory" + ); } /*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/portmacro.h b/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/portmacro.h index 1a255b2d0..08efbd412 100644 --- a/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/portmacro.h +++ b/FreeRTOS/Source/portable/GCC/ARM_CM3_MPU/portmacro.h @@ -200,18 +200,28 @@ not necessary for to use this port. They are defined so the common demo files #ifndef portFORCE_INLINE #define portFORCE_INLINE inline __attribute__(( always_inline)) #endif +/*-----------------------------------------------------------*/ -/* Set the privilege level to user mode if xRunningPrivileged is false. */ -portFORCE_INLINE static void vPortResetPrivilege( BaseType_t xRunningPrivileged ) -{ - if( xRunningPrivileged != pdTRUE ) - { - __asm volatile ( " mrs r0, control \n" \ - " orr r0, #1 \n" \ - " msr control, r0 \n" \ - :::"r0", "memory" ); - } -} +extern BaseType_t xIsPrivileged( void ); +extern void vResetPrivilege( void ); + +/** + * @brief Checks whether or not the processor is privileged. + * + * @return 1 if the processor is already privileged, 0 otherwise. + */ +#define portIS_PRIVILEGED() xIsPrivileged() + +/** + * @brief Raise an SVC request to raise privilege. +*/ +#define portRAISE_PRIVILEGE() __asm volatile ( "svc %0 \n" :: "i" ( portSVC_RAISE_PRIVILEGE ) : "memory" ); + +/** + * @brief Lowers the privilege level by setting the bit 0 of the CONTROL + * register. + */ +#define portRESET_PRIVILEGE() vResetPrivilege() /*-----------------------------------------------------------*/ portFORCE_INLINE static BaseType_t xPortIsInsideInterrupt( void ) diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM4_MPU/port.c b/FreeRTOS/Source/portable/GCC/ARM_CM4_MPU/port.c index c1b01dc11..9a6e2901d 100644 --- a/FreeRTOS/Source/portable/GCC/ARM_CM4_MPU/port.c +++ b/FreeRTOS/Source/portable/GCC/ARM_CM4_MPU/port.c @@ -123,13 +123,6 @@ static void prvSetupMPU( void ) PRIVILEGED_FUNCTION; */ static uint32_t prvGetMPURegionSizeSetting( uint32_t ulActualSizeInBytes ) PRIVILEGED_FUNCTION; -/* - * Checks to see if being called from the context of an unprivileged task, and - * if so raises the privilege level and returns false - otherwise does nothing - * other than return true. - */ -BaseType_t xPortRaisePrivilege( void ) __attribute__(( naked )); - /* * Setup the timer to generate the tick interrupts. The implementation in this * file is weak to allow application writers to change the timer used to @@ -160,6 +153,35 @@ static void prvSVCHandler( uint32_t *pulRegisters ) __attribute__(( noinline )) */ static void vPortEnableVFP( void ) __attribute__ (( naked )); +/** + * @brief Checks whether or not the processor is privileged. + * + * @return 1 if the processor is already privileged, 0 otherwise. + */ +BaseType_t xIsPrivileged( void ) __attribute__ (( naked )); + +/** + * @brief Lowers the privilege level by setting the bit 0 of the CONTROL + * register. + * + * Bit 0 of the CONTROL register defines the privilege level of Thread Mode. + * Bit[0] = 0 --> The processor is running privileged + * Bit[0] = 1 --> The processor is running unprivileged. + */ +void vResetPrivilege( void ) __attribute__ (( naked )); + +/** + * @brief Calls the port specific code to raise the privilege. + * + * @return pdFALSE if privilege was raised, pdTRUE otherwise. + */ +extern BaseType_t xPortRaisePrivilege( void ); + +/** + * @brief If xRunningPrivileged is not pdTRUE, calls the port specific + * code to reset the privilege, otherwise does nothing. + */ +extern void vPortResetPrivilege( BaseType_t xRunningPrivileged ); /*-----------------------------------------------------------*/ /* Each task maintains its own interrupt status in the critical nesting @@ -639,21 +661,33 @@ uint32_t ulRegionSize, ulReturnValue = 4; } /*-----------------------------------------------------------*/ -BaseType_t xPortRaisePrivilege( void ) +BaseType_t xIsPrivileged( void ) /* __attribute__ (( naked )) */ { __asm volatile ( - " mrs r0, control \n" - " tst r0, #1 \n" /* Is the task running privileged? */ - " itte ne \n" - " movne r0, #0 \n" /* CONTROL[0]!=0, return false. */ - " svcne %0 \n" /* Switch to privileged. */ - " moveq r0, #1 \n" /* CONTROL[0]==0, return true. */ - " bx lr \n" - :: "i" (portSVC_RAISE_PRIVILEGE) : "r0", "memory" + " mrs r0, control \n" /* r0 = CONTROL. */ + " tst r0, #1 \n" /* Perform r0 & 1 (bitwise AND) and update the conditions flag. */ + " ite ne \n" + " movne r0, #0 \n" /* CONTROL[0]!=0. Return false to indicate that the processor is not privileged. */ + " moveq r0, #1 \n" /* CONTROL[0]==0. Return true to indicate that the processor is privileged. */ + " bx lr \n" /* Return. */ + " \n" + " .align 4 \n" + ::: "r0", "memory" ); +} +/*-----------------------------------------------------------*/ - return 0; +void vResetPrivilege( void ) /* __attribute__ (( naked )) */ +{ + __asm volatile + ( + " mrs r0, control \n" /* r0 = CONTROL. */ + " orr r0, #1 \n" /* r0 = r0 | 1. */ + " msr control, r0 \n" /* CONTROL = r0. */ + " bx lr \n" /* Return to the caller. */ + :::"r0", "memory" + ); } /*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/GCC/ARM_CM4_MPU/portmacro.h b/FreeRTOS/Source/portable/GCC/ARM_CM4_MPU/portmacro.h index 1a255b2d0..08efbd412 100644 --- a/FreeRTOS/Source/portable/GCC/ARM_CM4_MPU/portmacro.h +++ b/FreeRTOS/Source/portable/GCC/ARM_CM4_MPU/portmacro.h @@ -200,18 +200,28 @@ not necessary for to use this port. They are defined so the common demo files #ifndef portFORCE_INLINE #define portFORCE_INLINE inline __attribute__(( always_inline)) #endif +/*-----------------------------------------------------------*/ -/* Set the privilege level to user mode if xRunningPrivileged is false. */ -portFORCE_INLINE static void vPortResetPrivilege( BaseType_t xRunningPrivileged ) -{ - if( xRunningPrivileged != pdTRUE ) - { - __asm volatile ( " mrs r0, control \n" \ - " orr r0, #1 \n" \ - " msr control, r0 \n" \ - :::"r0", "memory" ); - } -} +extern BaseType_t xIsPrivileged( void ); +extern void vResetPrivilege( void ); + +/** + * @brief Checks whether or not the processor is privileged. + * + * @return 1 if the processor is already privileged, 0 otherwise. + */ +#define portIS_PRIVILEGED() xIsPrivileged() + +/** + * @brief Raise an SVC request to raise privilege. +*/ +#define portRAISE_PRIVILEGE() __asm volatile ( "svc %0 \n" :: "i" ( portSVC_RAISE_PRIVILEGE ) : "memory" ); + +/** + * @brief Lowers the privilege level by setting the bit 0 of the CONTROL + * register. + */ +#define portRESET_PRIVILEGE() vResetPrivilege() /*-----------------------------------------------------------*/ portFORCE_INLINE static BaseType_t xPortIsInsideInterrupt( void ) diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM33/non_secure/port.c b/FreeRTOS/Source/portable/IAR/ARM_CM33/non_secure/port.c new file mode 100644 index 000000000..a549bb14c --- /dev/null +++ b/FreeRTOS/Source/portable/IAR/ARM_CM33/non_secure/port.c @@ -0,0 +1,860 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE prevents task.h from redefining + * all the API functions to use the MPU wrappers. That should only be done when + * task.h is included from an application file. */ +#define MPU_WRAPPERS_INCLUDED_FROM_API_FILE + +/* Scheduler includes. */ +#include "FreeRTOS.h" +#include "task.h" + +/* MPU wrappers includes. */ +#include "mpu_wrappers.h" + +/* Portasm includes. */ +#include "portasm.h" + +#if( configENABLE_TRUSTZONE == 1 ) + /* Secure components includes. */ + #include "secure_context.h" + #include "secure_init.h" +#endif /* configENABLE_TRUSTZONE */ + +#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the NVIC. + */ +#define portNVIC_SYSTICK_CTRL ( ( volatile uint32_t * ) 0xe000e010 ) +#define portNVIC_SYSTICK_LOAD ( ( volatile uint32_t * ) 0xe000e014 ) +#define portNVIC_SYSTICK_CURRENT_VALUE ( ( volatile uint32_t * ) 0xe000e018 ) +#define portNVIC_INT_CTRL ( ( volatile uint32_t * ) 0xe000ed04 ) +#define portNVIC_SYSPRI2 ( ( volatile uint32_t * ) 0xe000ed20 ) +#define portNVIC_SYSTICK_CLK ( 0x00000004 ) +#define portNVIC_SYSTICK_INT ( 0x00000002 ) +#define portNVIC_SYSTICK_ENABLE ( 0x00000001 ) +#define portNVIC_PENDSVSET ( 0x10000000 ) +#define portMIN_INTERRUPT_PRIORITY ( 255UL ) +#define portNVIC_PENDSV_PRI ( portMIN_INTERRUPT_PRIORITY << 16UL ) +#define portNVIC_SYSTICK_PRI ( portMIN_INTERRUPT_PRIORITY << 24UL ) +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the SCB. + */ +#define portSCB_SYS_HANDLER_CTRL_STATE_REG ( * ( volatile uint32_t * ) 0xe000ed24 ) +#define portSCB_MEM_FAULT_ENABLE ( 1UL << 16UL ) +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the FPU. + */ +#define portCPACR ( ( volatile uint32_t * ) 0xe000ed88 ) /* Coprocessor Access Control Register. */ +#define portCPACR_CP10_VALUE ( 3UL ) +#define portCPACR_CP11_VALUE portCPACR_CP10_VALUE +#define portCPACR_CP10_POS ( 20UL ) +#define portCPACR_CP11_POS ( 22UL ) + +#define portFPCCR ( ( volatile uint32_t * ) 0xe000ef34 ) /* Floating Point Context Control Register. */ +#define portFPCCR_ASPEN_POS ( 31UL ) +#define portFPCCR_ASPEN_MASK ( 1UL << portFPCCR_ASPEN_POS ) +#define portFPCCR_LSPEN_POS ( 30UL ) +#define portFPCCR_LSPEN_MASK ( 1UL << portFPCCR_LSPEN_POS ) +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the MPU. + */ +#define portMPU_TYPE_REG ( * ( ( volatile uint32_t * ) 0xe000ed90 ) ) +#define portMPU_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed94 ) ) +#define portMPU_RNR_REG ( * ( ( volatile uint32_t * ) 0xe000ed98 ) ) + +#define portMPU_RBAR_REG ( * ( ( volatile uint32_t * ) 0xe000ed9c ) ) +#define portMPU_RLAR_REG ( * ( ( volatile uint32_t * ) 0xe000eda0 ) ) + +#define portMPU_RBAR_A1_REG ( * ( ( volatile uint32_t * ) 0xe000eda4 ) ) +#define portMPU_RLAR_A1_REG ( * ( ( volatile uint32_t * ) 0xe000eda8 ) ) + +#define portMPU_RBAR_A2_REG ( * ( ( volatile uint32_t * ) 0xe000edac ) ) +#define portMPU_RLAR_A2_REG ( * ( ( volatile uint32_t * ) 0xe000edb0 ) ) + +#define portMPU_RBAR_A3_REG ( * ( ( volatile uint32_t * ) 0xe000edb4 ) ) +#define portMPU_RLAR_A3_REG ( * ( ( volatile uint32_t * ) 0xe000edb8 ) ) + +#define portMPU_MAIR0_REG ( * ( ( volatile uint32_t * ) 0xe000edc0 ) ) +#define portMPU_MAIR1_REG ( * ( ( volatile uint32_t * ) 0xe000edc4 ) ) + +#define portMPU_RBAR_ADDRESS_MASK ( 0xffffffe0 ) /* Must be 32-byte aligned. */ +#define portMPU_RLAR_ADDRESS_MASK ( 0xffffffe0 ) /* Must be 32-byte aligned. */ + +#define portMPU_MAIR_ATTR0_POS ( 0UL ) +#define portMPU_MAIR_ATTR0_MASK ( 0x000000ff ) + +#define portMPU_MAIR_ATTR1_POS ( 8UL ) +#define portMPU_MAIR_ATTR1_MASK ( 0x0000ff00 ) + +#define portMPU_MAIR_ATTR2_POS ( 16UL ) +#define portMPU_MAIR_ATTR2_MASK ( 0x00ff0000 ) + +#define portMPU_MAIR_ATTR3_POS ( 24UL ) +#define portMPU_MAIR_ATTR3_MASK ( 0xff000000 ) + +#define portMPU_MAIR_ATTR4_POS ( 0UL ) +#define portMPU_MAIR_ATTR4_MASK ( 0x000000ff ) + +#define portMPU_MAIR_ATTR5_POS ( 8UL ) +#define portMPU_MAIR_ATTR5_MASK ( 0x0000ff00 ) + +#define portMPU_MAIR_ATTR6_POS ( 16UL ) +#define portMPU_MAIR_ATTR6_MASK ( 0x00ff0000 ) + +#define portMPU_MAIR_ATTR7_POS ( 24UL ) +#define portMPU_MAIR_ATTR7_MASK ( 0xff000000 ) + +#define portMPU_RLAR_ATTR_INDEX0 ( 0UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX1 ( 1UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX2 ( 2UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX3 ( 3UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX4 ( 4UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX5 ( 5UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX6 ( 6UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX7 ( 7UL << 1UL ) + +#define portMPU_RLAR_REGION_ENABLE ( 1UL ) + +/* Enable privileged access to unmapped region. */ +#define portMPU_PRIV_BACKGROUND_ENABLE ( 1UL << 2UL ) + +/* Enable MPU. */ +#define portMPU_ENABLE ( 1UL << 0UL ) + +/* Expected value of the portMPU_TYPE register. */ +#define portEXPECTED_MPU_TYPE_VALUE ( 8UL << 8UL ) /* 8 regions, unified. */ +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to set up the initial stack. + */ +#define portINITIAL_XPSR ( 0x01000000 ) + +/** + * @brief Initial EXC_RETURN value. + * + * FF FF FF BC + * 1111 1111 1111 1111 1111 1111 1011 1100 + * + * Bit[6] - 0 --> The exception was taken from the Non-Secure state. + * Bit[5] - 1 --> Do not skip stacking of additional state context. + * Bit[4] - 1 --> The PE did not allocate space on the stack for FP context. + * Bit[3] - 1 --> Return to the Thread mode. + * Bit[2] - 1 --> Restore registers from the process stack. + * Bit[1] - 0 --> Reserved, 0. + * Bit[0] - 0 --> The exception was taken to the Non-Secure state. + */ +#define portINITIAL_EXC_RETURN ( 0xffffffbc ) + +/** + * @brief CONTROL register privileged bit mask. + * + * Bit[0] in CONTROL register tells the privilege: + * Bit[0] = 0 ==> The task is privileged. + * Bit[0] = 1 ==> The task is not privileged. + */ +#define portCONTROL_PRIVILEGED_MASK ( 1UL << 0UL ) + +/** + * @brief Initial CONTROL register values. + */ +#define portINITIAL_CONTROL_UNPRIVILEGED ( 0x3 ) +#define portINITIAL_CONTROL_PRIVILEGED ( 0x2 ) + +/** + * @brief Let the user override the pre-loading of the initial LR with the + * address of prvTaskExitError() in case it messes up unwinding of the stack + * in the debugger. + */ +#ifdef configTASK_RETURN_ADDRESS + #define portTASK_RETURN_ADDRESS configTASK_RETURN_ADDRESS +#else + #define portTASK_RETURN_ADDRESS prvTaskExitError +#endif + +/** + * @brief If portPRELOAD_REGISTERS then registers will be given an initial value + * when a task is created. This helps in debugging at the cost of code size. + */ +#define portPRELOAD_REGISTERS 1 + +/** + * @brief A task is created without a secure context, and must call + * portALLOCATE_SECURE_CONTEXT() to give itself a secure context before it makes + * any secure calls. + */ +#define portNO_SECURE_CONTEXT 0 +/*-----------------------------------------------------------*/ + +/** + * @brief Setup the timer to generate the tick interrupts. + */ +static void prvSetupTimerInterrupt( void ) PRIVILEGED_FUNCTION; + +/** + * @brief Used to catch tasks that attempt to return from their implementing + * function. + */ +static void prvTaskExitError( void ); + +#if( configENABLE_MPU == 1 ) + /** + * @brief Setup the Memory Protection Unit (MPU). + */ + static void prvSetupMPU( void ) PRIVILEGED_FUNCTION; +#endif /* configENABLE_MPU */ + +#if( configENABLE_FPU == 1 ) + /** + * @brief Setup the Floating Point Unit (FPU). + */ + static void prvSetupFPU( void ) PRIVILEGED_FUNCTION; +#endif /* configENABLE_FPU */ + +/** + * @brief Yield the processor. + */ +void vPortYield( void ) PRIVILEGED_FUNCTION; + +/** + * @brief Enter critical section. + */ +void vPortEnterCritical( void ) PRIVILEGED_FUNCTION; + +/** + * @brief Exit from critical section. + */ +void vPortExitCritical( void ) PRIVILEGED_FUNCTION; + +/** + * @brief SysTick handler. + */ +void SysTick_Handler( void ) PRIVILEGED_FUNCTION; + +/** + * @brief C part of SVC handler. + */ +void vPortSVCHandler_C( uint32_t *pulCallerStackAddress ) PRIVILEGED_FUNCTION; +/*-----------------------------------------------------------*/ + +/** + * @brief Each task maintains its own interrupt status in the critical nesting + * variable. + */ +static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaUL; + +#if( configENABLE_TRUSTZONE == 1 ) + /** + * @brief Saved as part of the task context to indicate which context the + * task is using on the secure side. + */ + volatile SecureContextHandle_t xSecureContext = portNO_SECURE_CONTEXT; +#endif /* configENABLE_TRUSTZONE */ +/*-----------------------------------------------------------*/ + +static void prvSetupTimerInterrupt( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Stop and reset the SysTick. */ + *( portNVIC_SYSTICK_CTRL ) = 0UL; + *( portNVIC_SYSTICK_CURRENT_VALUE ) = 0UL; + + /* Configure SysTick to interrupt at the requested rate. */ + *( portNVIC_SYSTICK_LOAD ) = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL; + *( portNVIC_SYSTICK_CTRL ) = portNVIC_SYSTICK_CLK | portNVIC_SYSTICK_INT | portNVIC_SYSTICK_ENABLE; +} +/*-----------------------------------------------------------*/ + +static void prvTaskExitError( void ) +{ +volatile uint32_t ulDummy = 0UL; + + /* A function that implements a task must not exit or attempt to return to + * its caller as there is nothing to return to. If a task wants to exit it + * should instead call vTaskDelete( NULL ). Artificially force an assert() + * to be triggered if configASSERT() is defined, then stop here so + * application writers can catch the error. */ + configASSERT( ulCriticalNesting == ~0UL ); + portDISABLE_INTERRUPTS(); + + while( ulDummy == 0 ) + { + /* This file calls prvTaskExitError() after the scheduler has been + * started to remove a compiler warning about the function being + * defined but never called. ulDummy is used purely to quieten other + * warnings about code appearing after this function is called - making + * ulDummy volatile makes the compiler think the function could return + * and therefore not output an 'unreachable code' warning for code that + * appears after it. */ + } +} +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + static void prvSetupMPU( void ) /* PRIVILEGED_FUNCTION */ + { + #if defined( __ARMCC_VERSION ) + /* Declaration when these variable are defined in code instead of being + * exported from linker scripts. */ + extern uint32_t * __privileged_functions_start__; + extern uint32_t * __privileged_functions_end__; + extern uint32_t * __syscalls_flash_start__; + extern uint32_t * __unprivileged_flash_end__; + extern uint32_t * __privileged_sram_start__; + extern uint32_t * __privileged_sram_end__; + #else + /* Declaration when these variable are exported from linker scripts. */ + extern uint32_t __privileged_functions_start__[]; + extern uint32_t __privileged_functions_end__[]; + extern uint32_t __syscalls_flash_start__[]; + extern uint32_t __unprivileged_flash_end__[]; + extern uint32_t __privileged_sram_start__[]; + extern uint32_t __privileged_sram_end__[]; + #endif /* defined( __ARMCC_VERSION ) */ + + /* Check that the MPU is present. */ + if( portMPU_TYPE_REG == portEXPECTED_MPU_TYPE_VALUE ) + { + /* MAIR0 - Index 0. */ + portMPU_MAIR0_REG |= ( ( portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE << portMPU_MAIR_ATTR0_POS ) & portMPU_MAIR_ATTR0_MASK ); + /* MAIR0 - Index 1. */ + portMPU_MAIR0_REG |= ( ( portMPU_DEVICE_MEMORY_nGnRE << portMPU_MAIR_ATTR1_POS ) & portMPU_MAIR_ATTR1_MASK ); + + /* Setup privileged flash as Read Only so that privileged tasks can + * read it but not modify. */ + portMPU_RNR_REG = portPRIVILEGED_FLASH_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) __privileged_functions_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_PRIVILEGED_READ_ONLY ); + portMPU_RLAR_REG = ( ( ( uint32_t ) __privileged_functions_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Setup unprivileged flash and system calls flash as Read Only by + * both privileged and unprivileged tasks. All tasks can read it but + * no-one can modify. */ + portMPU_RNR_REG = portUNPRIVILEGED_FLASH_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) __syscalls_flash_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_READ_ONLY ); + portMPU_RLAR_REG = ( ( ( uint32_t ) __unprivileged_flash_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Setup RAM containing kernel data for privileged access only. */ + portMPU_RNR_REG = portPRIVILEGED_RAM_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) __privileged_sram_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_PRIVILEGED_READ_WRITE ) | + ( portMPU_REGION_EXECUTE_NEVER ); + portMPU_RLAR_REG = ( ( ( uint32_t ) __privileged_sram_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* By default allow everything to access the general peripherals. + * The system peripherals and registers are protected. */ + portMPU_RNR_REG = portUNPRIVILEGED_DEVICE_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) portDEVICE_REGION_START_ADDRESS ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_READ_WRITE ) | + ( portMPU_REGION_EXECUTE_NEVER ); + portMPU_RLAR_REG = ( ( ( uint32_t ) portDEVICE_REGION_END_ADDRESS ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX1 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Enable mem fault. */ + portSCB_SYS_HANDLER_CTRL_STATE_REG |= portSCB_MEM_FAULT_ENABLE; + + /* Enable MPU with privileged background access i.e. unmapped + * regions have privileged access. */ + portMPU_CTRL_REG |= ( portMPU_PRIV_BACKGROUND_ENABLE | portMPU_ENABLE ); + } + } +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +#if( configENABLE_FPU == 1 ) + static void prvSetupFPU( void ) /* PRIVILEGED_FUNCTION */ + { + #if( configENABLE_TRUSTZONE == 1 ) + { + /* Enable non-secure access to the FPU. */ + SecureInit_EnableNSFPUAccess(); + } + #endif /* configENABLE_TRUSTZONE */ + + /* CP10 = 11 ==> Full access to FPU i.e. both privileged and + * unprivileged code should be able to access FPU. CP11 should be + * programmed to the same value as CP10. */ + *( portCPACR ) |= ( ( portCPACR_CP10_VALUE << portCPACR_CP10_POS ) | + ( portCPACR_CP11_VALUE << portCPACR_CP11_POS ) + ); + + /* ASPEN = 1 ==> Hardware should automatically preserve floating point + * context on exception entry and restore on exception return. + * LSPEN = 1 ==> Enable lazy context save of FP state. */ + *( portFPCCR ) |= ( portFPCCR_ASPEN_MASK | portFPCCR_LSPEN_MASK ); + } +#endif /* configENABLE_FPU */ +/*-----------------------------------------------------------*/ + +void vPortYield( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Set a PendSV to request a context switch. */ + *( portNVIC_INT_CTRL ) = portNVIC_PENDSVSET; + + /* Barriers are normally not required but do ensure the code is + * completely within the specified behaviour for the architecture. */ + __asm volatile( "dsb" ::: "memory" ); + __asm volatile( "isb" ); +} +/*-----------------------------------------------------------*/ + +void vPortEnterCritical( void ) /* PRIVILEGED_FUNCTION */ +{ + portDISABLE_INTERRUPTS(); + ulCriticalNesting++; + + /* Barriers are normally not required but do ensure the code is + * completely within the specified behaviour for the architecture. */ + __asm volatile( "dsb" ::: "memory" ); + __asm volatile( "isb" ); +} +/*-----------------------------------------------------------*/ + +void vPortExitCritical( void ) /* PRIVILEGED_FUNCTION */ +{ + configASSERT( ulCriticalNesting ); + ulCriticalNesting--; + + if( ulCriticalNesting == 0 ) + { + portENABLE_INTERRUPTS(); + } +} +/*-----------------------------------------------------------*/ + +void SysTick_Handler( void ) /* PRIVILEGED_FUNCTION */ +{ +uint32_t ulPreviousMask; + + ulPreviousMask = portSET_INTERRUPT_MASK_FROM_ISR(); + { + /* Increment the RTOS tick. */ + if( xTaskIncrementTick() != pdFALSE ) + { + /* Pend a context switch. */ + *( portNVIC_INT_CTRL ) = portNVIC_PENDSVSET; + } + } + portCLEAR_INTERRUPT_MASK_FROM_ISR( ulPreviousMask ); +} +/*-----------------------------------------------------------*/ + +void vPortSVCHandler_C( uint32_t *pulCallerStackAddress ) /* PRIVILEGED_FUNCTION */ +{ +#if( configENABLE_MPU == 1 ) + #if defined( __ARMCC_VERSION ) + /* Declaration when these variable are defined in code instead of being + * exported from linker scripts. */ + extern uint32_t * __syscalls_flash_start__; + extern uint32_t * __syscalls_flash_end__; + #else + /* Declaration when these variable are exported from linker scripts. */ + extern uint32_t __syscalls_flash_start__[]; + extern uint32_t __syscalls_flash_end__[]; + #endif /* defined( __ARMCC_VERSION ) */ +#endif /* configENABLE_MPU */ + +uint32_t ulPC; + +#if( configENABLE_TRUSTZONE == 1 ) + uint32_t ulR0; + #if( configENABLE_MPU == 1 ) + uint32_t ulControl, ulIsTaskPrivileged; + #endif /* configENABLE_MPU */ +#endif /* configENABLE_TRUSTZONE */ +uint8_t ucSVCNumber; + + /* Register are stored on the stack in the following order - R0, R1, R2, R3, + * R12, LR, PC, xPSR. */ + ulPC = pulCallerStackAddress[ 6 ]; + ucSVCNumber = ( ( uint8_t *) ulPC )[ -2 ]; + + switch( ucSVCNumber ) + { + #if( configENABLE_TRUSTZONE == 1 ) + case portSVC_ALLOCATE_SECURE_CONTEXT: + { + /* R0 contains the stack size passed as parameter to the + * vPortAllocateSecureContext function. */ + ulR0 = pulCallerStackAddress[ 0 ]; + + #if( configENABLE_MPU == 1 ) + { + /* Read the CONTROL register value. */ + __asm volatile ( "mrs %0, control" : "=r" ( ulControl ) ); + + /* The task that raised the SVC is privileged if Bit[0] + * in the CONTROL register is 0. */ + ulIsTaskPrivileged = ( ( ulControl & portCONTROL_PRIVILEGED_MASK ) == 0 ); + + /* Allocate and load a context for the secure task. */ + xSecureContext = SecureContext_AllocateContext( ulR0, ulIsTaskPrivileged ); + } + #else + { + /* Allocate and load a context for the secure task. */ + xSecureContext = SecureContext_AllocateContext( ulR0 ); + } + #endif /* configENABLE_MPU */ + + configASSERT( xSecureContext != NULL ); + SecureContext_LoadContext( xSecureContext ); + } + break; + + case portSVC_FREE_SECURE_CONTEXT: + { + /* R0 contains the secure context handle to be freed. */ + ulR0 = pulCallerStackAddress[ 0 ]; + + /* Free the secure context. */ + SecureContext_FreeContext( ( SecureContextHandle_t ) ulR0 ); + } + break; + #endif /* configENABLE_TRUSTZONE */ + + case portSVC_START_SCHEDULER: + { + #if( configENABLE_TRUSTZONE == 1 ) + { + /* De-prioritize the non-secure exceptions so that the + * non-secure pendSV runs at the lowest priority. */ + SecureInit_DePrioritizeNSExceptions(); + + /* Initialize the secure context management system. */ + SecureContext_Init(); + } + #endif /* configENABLE_TRUSTZONE */ + + #if( configENABLE_FPU == 1 ) + { + /* Setup the Floating Point Unit (FPU). */ + prvSetupFPU(); + } + #endif /* configENABLE_FPU */ + + /* Setup the context of the first task so that the first task starts + * executing. */ + vRestoreContextOfFirstTask(); + } + break; + + #if( configENABLE_MPU == 1 ) + case portSVC_RAISE_PRIVILEGE: + { + /* Only raise the privilege, if the svc was raised from any of + * the system calls. */ + if( ulPC >= ( uint32_t ) __syscalls_flash_start__ && + ulPC <= ( uint32_t ) __syscalls_flash_end__ ) + { + vRaisePrivilege(); + } + } + break; + #endif /* configENABLE_MPU */ + + default: + { + /* Incorrect SVC call. */ + configASSERT( pdFALSE ); + } + } +} +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, StackType_t *pxEndOfStack, TaskFunction_t pxCode, void *pvParameters, BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */ +#else + StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, StackType_t *pxEndOfStack, TaskFunction_t pxCode, void *pvParameters ) /* PRIVILEGED_FUNCTION */ +#endif /* configENABLE_MPU */ +{ + /* Simulate the stack frame as it would be created by a context switch + * interrupt. */ + #if( portPRELOAD_REGISTERS == 0 ) + { + pxTopOfStack--; /* Offset added to account for the way the MCU uses the stack on entry/exit of interrupts. */ + *pxTopOfStack = portINITIAL_XPSR; /* xPSR */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxCode; /* PC */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* LR */ + pxTopOfStack -= 5; /* R12, R3, R2 and R1. */ + *pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */ + pxTopOfStack -= 9; /* R11..R4, EXC_RETURN. */ + *pxTopOfStack = portINITIAL_EXC_RETURN; + + #if( configENABLE_MPU == 1 ) + { + pxTopOfStack--; + if( xRunPrivileged == pdTRUE ) + { + *pxTopOfStack = portINITIAL_CONTROL_PRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + else + { + *pxTopOfStack = portINITIAL_CONTROL_UNPRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + } + #endif /* configENABLE_MPU */ + + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxEndOfStack; /* Slot used to hold this task's PSPLIM value. */ + + #if( configENABLE_TRUSTZONE == 1 ) + { + pxTopOfStack--; + *pxTopOfStack = portNO_SECURE_CONTEXT; /* Slot used to hold this task's xSecureContext value. */ + } + #endif /* configENABLE_TRUSTZONE */ + } + #else /* portPRELOAD_REGISTERS */ + { + pxTopOfStack--; /* Offset added to account for the way the MCU uses the stack on entry/exit of interrupts. */ + *pxTopOfStack = portINITIAL_XPSR; /* xPSR */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxCode; /* PC */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* LR */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x12121212UL; /* R12 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x03030303UL; /* R3 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x02020202UL; /* R2 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x01010101UL; /* R1 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x11111111UL; /* R11 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x10101010UL; /* R10 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x09090909UL; /* R09 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x08080808UL; /* R08 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x07070707UL; /* R07 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x06060606UL; /* R06 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x05050505UL; /* R05 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x04040404UL; /* R04 */ + pxTopOfStack--; + *pxTopOfStack = portINITIAL_EXC_RETURN; /* EXC_RETURN */ + + #if( configENABLE_MPU == 1 ) + { + pxTopOfStack--; + if( xRunPrivileged == pdTRUE ) + { + *pxTopOfStack = portINITIAL_CONTROL_PRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + else + { + *pxTopOfStack = portINITIAL_CONTROL_UNPRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + } + #endif /* configENABLE_MPU */ + + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxEndOfStack; /* Slot used to hold this task's PSPLIM value. */ + + #if( configENABLE_TRUSTZONE == 1 ) + { + pxTopOfStack--; + *pxTopOfStack = portNO_SECURE_CONTEXT; /* Slot used to hold this task's xSecureContext value. */ + } + #endif /* configENABLE_TRUSTZONE */ + } + #endif /* portPRELOAD_REGISTERS */ + + return pxTopOfStack; +} +/*-----------------------------------------------------------*/ + +BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Make PendSV, CallSV and SysTick the same priority as the kernel. */ + *( portNVIC_SYSPRI2 ) |= portNVIC_PENDSV_PRI; + *( portNVIC_SYSPRI2 ) |= portNVIC_SYSTICK_PRI; + + #if( configENABLE_MPU == 1 ) + { + /* Setup the Memory Protection Unit (MPU). */ + prvSetupMPU(); + } + #endif /* configENABLE_MPU */ + + /* Start the timer that generates the tick ISR. Interrupts are disabled + * here already. */ + prvSetupTimerInterrupt(); + + /* Initialize the critical nesting count ready for the first task. */ + ulCriticalNesting = 0; + + /* Start the first task. */ + vStartFirstTask(); + + /* Should never get here as the tasks will now be executing. Call the task + * exit error function to prevent compiler warnings about a static function + * not being called in the case that the application writer overrides this + * functionality by defining configTASK_RETURN_ADDRESS. Call + * vTaskSwitchContext() so link time optimization does not remove the + * symbol. */ + vTaskSwitchContext(); + prvTaskExitError(); + + /* Should not get here. */ + return 0; +} +/*-----------------------------------------------------------*/ + +void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Not implemented in ports where there is nothing to return to. + * Artificially force an assert. */ + configASSERT( ulCriticalNesting == 1000UL ); +} +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + void vPortStoreTaskMPUSettings( xMPU_SETTINGS *xMPUSettings, const struct xMEMORY_REGION * const xRegions, StackType_t *pxBottomOfStack, uint32_t ulStackDepth ) + { + uint32_t ulRegionStartAddress, ulRegionEndAddress, ulRegionNumber; + int32_t lIndex = 0; + + /* Setup MAIR0. */ + xMPUSettings->ulMAIR0 = ( ( portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE << portMPU_MAIR_ATTR0_POS ) & portMPU_MAIR_ATTR0_MASK ); + xMPUSettings->ulMAIR0 |= ( ( portMPU_DEVICE_MEMORY_nGnRE << portMPU_MAIR_ATTR1_POS ) & portMPU_MAIR_ATTR1_MASK ); + + /* This function is called automatically when the task is created - in + * which case the stack region parameters will be valid. At all other + * times the stack parameters will not be valid and it is assumed that + * the stack region has already been configured. */ + if( ulStackDepth > 0 ) + { + /* Define the region that allows access to the stack. */ + ulRegionStartAddress = ( ( uint32_t ) pxBottomOfStack ) & portMPU_RBAR_ADDRESS_MASK; + ulRegionEndAddress = ( uint32_t ) pxBottomOfStack + ( ulStackDepth * ( uint32_t ) sizeof( StackType_t ) ) - 1; + ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK; + + xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = ( ulRegionStartAddress ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_READ_WRITE ) | + ( portMPU_REGION_EXECUTE_NEVER ); + + xMPUSettings->xRegionsSettings[ 0 ].ulRLAR = ( ulRegionEndAddress ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + } + + /* User supplied configurable regions. */ + for( ulRegionNumber = 1; ulRegionNumber <= portNUM_CONFIGURABLE_REGIONS; ulRegionNumber++ ) + { + /* If xRegions is NULL i.e. the task has not specified any MPU + * region, the else part ensures that all the configurable MPU + * regions are invalidated. */ + if( ( xRegions != NULL ) && ( xRegions[ lIndex ].ulLengthInBytes > 0UL ) ) + { + /* Translate the generic region definition contained in xRegions + * into the ARMv8 specific MPU settings that are then stored in + * xMPUSettings. */ + ulRegionStartAddress = ( ( uint32_t ) xRegions[ lIndex ].pvBaseAddress ) & portMPU_RBAR_ADDRESS_MASK; + ulRegionEndAddress = ( uint32_t ) xRegions[ lIndex ].pvBaseAddress + xRegions[ lIndex ].ulLengthInBytes - 1; + ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK; + + /* Start address. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR = ( ulRegionStartAddress ) | + ( portMPU_REGION_NON_SHAREABLE ); + + /* RO/RW. */ + if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_READ_ONLY ) != 0 ) + { + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR |= ( portMPU_REGION_READ_ONLY ); + } + else + { + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR |= ( portMPU_REGION_READ_WRITE ); + } + + /* XN. */ + if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_EXECUTE_NEVER ) != 0 ) + { + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR |= ( portMPU_REGION_EXECUTE_NEVER ); + } + + /* End Address. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Normal memory/ Device memory. */ + if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 ) + { + /* Attr1 in MAIR0 is configured as device memory. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= portMPU_RLAR_ATTR_INDEX1; + } + else + { + /* Attr1 in MAIR0 is configured as normal memory. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= portMPU_RLAR_ATTR_INDEX0; + } + } + else + { + /* Invalidate the region. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR = 0UL; + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = 0UL; + } + + lIndex++; + } + } +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM33/non_secure/portasm.h b/FreeRTOS/Source/portable/IAR/ARM_CM33/non_secure/portasm.h new file mode 100644 index 000000000..63ebf136e --- /dev/null +++ b/FreeRTOS/Source/portable/IAR/ARM_CM33/non_secure/portasm.h @@ -0,0 +1,113 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __PORT_ASM_H__ +#define __PORT_ASM_H__ + +/* Scheduler includes. */ +#include "FreeRTOS.h" + +/* MPU wrappers includes. */ +#include "mpu_wrappers.h" + +/** + * @brief Restore the context of the first task so that the first task starts + * executing. + */ +void vRestoreContextOfFirstTask( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Checks whether or not the processor is privileged. + * + * @return 1 if the processor is already privileged, 0 otherwise. + */ +BaseType_t xIsPrivileged( void ) __attribute__ (( naked )); + +/** + * @brief Raises the privilege level by clearing the bit 0 of the CONTROL + * register. + * + * @note This is a privileged function and should only be called from the kenrel + * code. + * + * Bit 0 of the CONTROL register defines the privilege level of Thread Mode. + * Bit[0] = 0 --> The processor is running privileged + * Bit[0] = 1 --> The processor is running unprivileged. + */ +void vRaisePrivilege( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Lowers the privilege level by setting the bit 0 of the CONTROL + * register. + * + * Bit 0 of the CONTROL register defines the privilege level of Thread Mode. + * Bit[0] = 0 --> The processor is running privileged + * Bit[0] = 1 --> The processor is running unprivileged. + */ +void vResetPrivilege( void ) __attribute__ (( naked )); + +/** + * @brief Starts the first task. + */ +void vStartFirstTask( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Disables interrupts. + */ +uint32_t ulSetInterruptMaskFromISR( void ) __attribute__(( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Enables interrupts. + */ +void vClearInterruptMaskFromISR( uint32_t ulMask ) __attribute__(( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief PendSV Exception handler. + */ +void PendSV_Handler( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief SVC Handler. + */ +void SVC_Handler( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Allocate a Secure context for the calling task. + * + * @param[in] ulSecureStackSize The size of the stack to be allocated on the + * secure side for the calling task. + */ +void vPortAllocateSecureContext( uint32_t ulSecureStackSize ) __attribute__ (( naked )); + +/** + * @brief Free the task's secure context. + * + * @param[in] pulTCB Pointer to the Task Control Block (TCB) of the task. + */ +void vPortFreeSecureContext( uint32_t *pulTCB ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +#endif /* __PORT_ASM_H__ */ diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM33/non_secure/portasm.s b/FreeRTOS/Source/portable/IAR/ARM_CM33/non_secure/portasm.s new file mode 100644 index 000000000..f29f5d9b3 --- /dev/null +++ b/FreeRTOS/Source/portable/IAR/ARM_CM33/non_secure/portasm.s @@ -0,0 +1,302 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + + EXTERN pxCurrentTCB + EXTERN xSecureContext + EXTERN vTaskSwitchContext + EXTERN vPortSVCHandler_C + EXTERN SecureContext_SaveContext + EXTERN SecureContext_LoadContext + + PUBLIC xIsPrivileged + PUBLIC vResetPrivilege + PUBLIC vPortAllocateSecureContext + PUBLIC vRestoreContextOfFirstTask + PUBLIC vRaisePrivilege + PUBLIC vStartFirstTask + PUBLIC ulSetInterruptMaskFromISR + PUBLIC vClearInterruptMaskFromISR + PUBLIC PendSV_Handler + PUBLIC SVC_Handler + PUBLIC vPortFreeSecureContext +/*-----------------------------------------------------------*/ + +/*---------------- Unprivileged Functions -------------------*/ + +/*-----------------------------------------------------------*/ + + SECTION .text:CODE:NOROOT(2) + THUMB +/*-----------------------------------------------------------*/ + +xIsPrivileged: + mrs r0, control /* r0 = CONTROL. */ + tst r0, #1 /* Perform r0 & 1 (bitwise AND) and update the conditions flag. */ + ite ne + movne r0, #0 /* CONTROL[0]!=0. Return false to indicate that the processor is not privileged. */ + moveq r0, #1 /* CONTROL[0]==0. Return true to indicate that the processor is not privileged. */ + bx lr /* Return. */ +/*-----------------------------------------------------------*/ + +vResetPrivilege: + mrs r0, control /* r0 = CONTROL. */ + orr r0, r0, #1 /* r0 = r0 | 1. */ + msr control, r0 /* CONTROL = r0. */ + bx lr /* Return to the caller. */ +/*-----------------------------------------------------------*/ + +vPortAllocateSecureContext: + svc 0 /* Secure context is allocated in the supervisor call. portSVC_ALLOCATE_SECURE_CONTEXT = 0. */ + bx lr /* Return. */ +/*-----------------------------------------------------------*/ + +/*----------------- Privileged Functions --------------------*/ + +/*-----------------------------------------------------------*/ + + SECTION privileged_functions:CODE:NOROOT(2) + THUMB +/*-----------------------------------------------------------*/ + +vRestoreContextOfFirstTask: + ldr r2, =pxCurrentTCB /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + ldr r3, [r2] /* Read pxCurrentTCB. */ + ldr r0, [r3] /* Read top of stack from TCB - The first item in pxCurrentTCB is the task top of stack. */ + +#if ( configENABLE_MPU == 1 ) + adds r3, #4 /* r3 = r3 + 4. r3 now points to MAIR0 in TCB. */ + ldr r4, [r3] /* r4 = *r3 i.e. r4 = MAIR0. */ + ldr r2, =0xe000edc0 /* r2 = 0xe000edc0 [Location of MAIR0]. */ + str r4, [r2] /* Program MAIR0. */ + ldr r2, =0xe000ed98 /* r2 = 0xe000ed98 [Location of RNR]. */ + movs r4, #4 /* r4 = 4. */ + str r4, [r2] /* Program RNR = 4. */ + adds r3, #4 /* r3 = r3 + 4. r3 now points to first RBAR in TCB. */ + ldr r2, =0xe000ed9c /* r2 = 0xe000ed9c [Location of RBAR]. */ + ldmia r3!, {r4-r11} /* Read 4 set of RBAR/RLAR registers from TCB. */ + stmia r2!, {r4-r11} /* Write 4 set of RBAR/RLAR registers using alias registers. */ +#endif /* configENABLE_MPU */ + +#if ( configENABLE_MPU == 1 ) + ldm r0!, {r1-r4} /* Read from stack - r1 = xSecureContext, r2 = PSPLIM, r3 = CONTROL and r4 = EXC_RETURN. */ + ldr r5, =xSecureContext + str r1, [r5] /* Set xSecureContext to this task's value for the same. */ + msr psplim, r2 /* Set this task's PSPLIM value. */ + msr control, r3 /* Set this task's CONTROL value. */ + adds r0, #32 /* Discard everything up to r0. */ + msr psp, r0 /* This is now the new top of stack to use in the task. */ + isb + bx r4 /* Finally, branch to EXC_RETURN. */ +#else /* configENABLE_MPU */ + ldm r0!, {r1-r3} /* Read from stack - r1 = xSecureContext, r2 = PSPLIM and r3 = EXC_RETURN. */ + ldr r4, =xSecureContext + str r1, [r4] /* Set xSecureContext to this task's value for the same. */ + msr psplim, r2 /* Set this task's PSPLIM value. */ + movs r1, #2 /* r1 = 2. */ + msr CONTROL, r1 /* Switch to use PSP in the thread mode. */ + adds r0, #32 /* Discard everything up to r0. */ + msr psp, r0 /* This is now the new top of stack to use in the task. */ + isb + bx r3 /* Finally, branch to EXC_RETURN. */ +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +vRaisePrivilege: + mrs r0, control /* Read the CONTROL register. */ + bic r0, r0, #1 /* Clear the bit 0. */ + msr control, r0 /* Write back the new CONTROL value. */ + bx lr /* Return to the caller. */ +/*-----------------------------------------------------------*/ + +vStartFirstTask: + ldr r0, =0xe000ed08 /* Use the NVIC offset register to locate the stack. */ + ldr r0, [r0] /* Read the VTOR register which gives the address of vector table. */ + ldr r0, [r0] /* The first entry in vector table is stack pointer. */ + msr msp, r0 /* Set the MSP back to the start of the stack. */ + cpsie i /* Globally enable interrupts. */ + cpsie f + dsb + isb + svc 2 /* System call to start the first task. portSVC_START_SCHEDULER = 2. */ +/*-----------------------------------------------------------*/ + +ulSetInterruptMaskFromISR: + mrs r0, PRIMASK + cpsid i + bx lr +/*-----------------------------------------------------------*/ + +vClearInterruptMaskFromISR: + msr PRIMASK, r0 + bx lr +/*-----------------------------------------------------------*/ + +PendSV_Handler: + mrs r1, psp /* Read PSP in r1. */ + ldr r2, =xSecureContext /* Read the location of xSecureContext i.e. &( xSecureContext ). */ + ldr r0, [r2] /* Read xSecureContext - Value of xSecureContext must be in r0 as it is used as a parameter later. */ + + cbz r0, save_ns_context /* No secure context to save. */ + push {r0-r2, r14} + bl SecureContext_SaveContext + pop {r0-r3} /* LR is now in r3. */ + mov lr, r3 /* LR = r3. */ + lsls r2, r3, #25 /* r2 = r3 << 25. Bit[6] of EXC_RETURN is 1 if secure stack was used, 0 if non-secure stack was used to store stack frame. */ + bpl save_ns_context /* bpl - branch if positive or zero. If r2 >= 0 ==> Bit[6] in EXC_RETURN is 0 i.e. non-secure stack was used. */ + ldr r3, =pxCurrentTCB /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + ldr r2, [r3] /* Read pxCurrentTCB. */ +#if ( configENABLE_MPU == 1 ) + subs r1, r1, #16 /* Make space for xSecureContext, PSPLIM, CONTROL and LR on the stack. */ + str r1, [r2] /* Save the new top of stack in TCB. */ + mrs r2, psplim /* r2 = PSPLIM. */ + mrs r3, control /* r3 = CONTROL. */ + mov r4, lr /* r4 = LR/EXC_RETURN. */ + stmia r1!, {r0, r2-r4} /* Store xSecureContext, PSPLIM, CONTROL and LR on the stack. */ +#else /* configENABLE_MPU */ + subs r1, r1, #12 /* Make space for xSecureContext, PSPLIM and LR on the stack. */ + str r1, [r2] /* Save the new top of stack in TCB. */ + mrs r2, psplim /* r2 = PSPLIM. */ + mov r3, lr /* r3 = LR/EXC_RETURN. */ + stmia r1!, {r0, r2-r3} /* Store xSecureContext, PSPLIM and LR on the stack. */ +#endif /* configENABLE_MPU */ + b select_next_task + + save_ns_context: + ldr r3, =pxCurrentTCB /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + ldr r2, [r3] /* Read pxCurrentTCB. */ + #if ( configENABLE_FPU == 1 ) + tst lr, #0x10 /* Test Bit[4] in LR. Bit[4] of EXC_RETURN is 0 if the FPU is in use. */ + it eq + vstmdbeq r1!, {s16-s31} /* Store the FPU registers which are not saved automatically. */ + #endif /* configENABLE_FPU */ + #if ( configENABLE_MPU == 1 ) + subs r1, r1, #48 /* Make space for xSecureContext, PSPLIM, CONTROL, LR and the remaining registers on the stack. */ + str r1, [r2] /* Save the new top of stack in TCB. */ + adds r1, r1, #16 /* r1 = r1 + 16. */ + stm r1, {r4-r11} /* Store the registers that are not saved automatically. */ + mrs r2, psplim /* r2 = PSPLIM. */ + mrs r3, control /* r3 = CONTROL. */ + mov r4, lr /* r4 = LR/EXC_RETURN. */ + subs r1, r1, #16 /* r1 = r1 - 16. */ + stm r1, {r0, r2-r4} /* Store xSecureContext, PSPLIM, CONTROL and LR on the stack. */ + #else /* configENABLE_MPU */ + subs r1, r1, #44 /* Make space for xSecureContext, PSPLIM, LR and the remaining registers on the stack. */ + str r1, [r2] /* Save the new top of stack in TCB. */ + adds r1, r1, #12 /* r1 = r1 + 12. */ + stm r1, {r4-r11} /* Store the registers that are not saved automatically. */ + mrs r2, psplim /* r2 = PSPLIM. */ + mov r3, lr /* r3 = LR/EXC_RETURN. */ + subs r1, r1, #12 /* r1 = r1 - 12. */ + stmia r1!, {r0, r2-r3} /* Store xSecureContext, PSPLIM and LR on the stack. */ + #endif /* configENABLE_MPU */ + + select_next_task: + cpsid i + bl vTaskSwitchContext + cpsie i + + ldr r2, =pxCurrentTCB /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + ldr r3, [r2] /* Read pxCurrentTCB. */ + ldr r1, [r3] /* The first item in pxCurrentTCB is the task top of stack. r1 now points to the top of stack. */ + + #if ( configENABLE_MPU == 1 ) + adds r3, #4 /* r3 = r3 + 4. r3 now points to MAIR0 in TCB. */ + ldr r4, [r3] /* r4 = *r3 i.e. r4 = MAIR0. */ + ldr r2, =0xe000edc0 /* r2 = 0xe000edc0 [Location of MAIR0]. */ + str r4, [r2] /* Program MAIR0. */ + ldr r2, =0xe000ed98 /* r2 = 0xe000ed98 [Location of RNR]. */ + movs r4, #4 /* r4 = 4. */ + str r4, [r2] /* Program RNR = 4. */ + adds r3, #4 /* r3 = r3 + 4. r3 now points to first RBAR in TCB. */ + ldr r2, =0xe000ed9c /* r2 = 0xe000ed9c [Location of RBAR]. */ + ldmia r3!, {r4-r11} /* Read 4 sets of RBAR/RLAR registers from TCB. */ + stmia r2!, {r4-r11} /* Write 4 set of RBAR/RLAR registers using alias registers. */ + #endif /* configENABLE_MPU */ + + #if ( configENABLE_MPU == 1 ) + ldmia r1!, {r0, r2-r4} /* Read from stack - r0 = xSecureContext, r2 = PSPLIM, r3 = CONTROL and r4 = LR. */ + msr psplim, r2 /* Restore the PSPLIM register value for the task. */ + msr control, r3 /* Restore the CONTROL register value for the task. */ + mov lr, r4 /* LR = r4. */ + ldr r2, =xSecureContext /* Read the location of xSecureContext i.e. &( xSecureContext ). */ + str r0, [r2] /* Restore the task's xSecureContext. */ + cbz r0, restore_ns_context /* If there is no secure context for the task, restore the non-secure context. */ + push {r1,r4} + bl SecureContext_LoadContext /* Restore the secure context. */ + pop {r1,r4} + mov lr, r4 /* LR = r4. */ + lsls r2, r4, #25 /* r2 = r4 << 25. Bit[6] of EXC_RETURN is 1 if secure stack was used, 0 if non-secure stack was used to store stack frame. */ + bpl restore_ns_context /* bpl - branch if positive or zero. If r2 >= 0 ==> Bit[6] in EXC_RETURN is 0 i.e. non-secure stack was used. */ + msr psp, r1 /* Remember the new top of stack for the task. */ + bx lr + #else /* configENABLE_MPU */ + ldmia r1!, {r0, r2-r3} /* Read from stack - r0 = xSecureContext, r2 = PSPLIM and r3 = LR. */ + msr psplim, r2 /* Restore the PSPLIM register value for the task. */ + mov lr, r3 /* LR = r3. */ + ldr r2, =xSecureContext /* Read the location of xSecureContext i.e. &( xSecureContext ). */ + str r0, [r2] /* Restore the task's xSecureContext. */ + cbz r0, restore_ns_context /* If there is no secure context for the task, restore the non-secure context. */ + push {r1,r3} + bl SecureContext_LoadContext /* Restore the secure context. */ + pop {r1,r3} + mov lr, r3 /* LR = r3. */ + lsls r2, r3, #25 /* r2 = r3 << 25. Bit[6] of EXC_RETURN is 1 if secure stack was used, 0 if non-secure stack was used to store stack frame. */ + bpl restore_ns_context /* bpl - branch if positive or zero. If r2 >= 0 ==> Bit[6] in EXC_RETURN is 0 i.e. non-secure stack was used. */ + msr psp, r1 /* Remember the new top of stack for the task. */ + bx lr + #endif /* configENABLE_MPU */ + + restore_ns_context: + ldmia r1!, {r4-r11} /* Restore the registers that are not automatically restored. */ + #if ( configENABLE_FPU == 1 ) + tst lr, #0x10 /* Test Bit[4] in LR. Bit[4] of EXC_RETURN is 0 if the FPU is in use. */ + it eq + vldmiaeq r1!, {s16-s31} /* Restore the FPU registers which are not restored automatically. */ + #endif /* configENABLE_FPU */ + msr psp, r1 /* Remember the new top of stack for the task. */ + bx lr +/*-----------------------------------------------------------*/ + +SVC_Handler: + tst lr, #4 + ite eq + mrseq r0, msp + mrsne r0, psp + b vPortSVCHandler_C +/*-----------------------------------------------------------*/ + +vPortFreeSecureContext: + /* r0 = uint32_t *pulTCB. */ + ldr r1, [r0] /* The first item in the TCB is the top of the stack. */ + ldr r0, [r1] /* The first item on the stack is the task's xSecureContext. */ + cmp r0, #0 /* Raise svc if task's xSecureContext is not NULL. */ + it ne + svcne 1 /* Secure context is freed in the supervisor call. portSVC_FREE_SECURE_CONTEXT = 1. */ + bx lr /* Return. */ +/*-----------------------------------------------------------*/ + + END diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM33/non_secure/portmacro.h b/FreeRTOS/Source/portable/IAR/ARM_CM33/non_secure/portmacro.h new file mode 100644 index 000000000..09d072352 --- /dev/null +++ b/FreeRTOS/Source/portable/IAR/ARM_CM33/non_secure/portmacro.h @@ -0,0 +1,281 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef PORTMACRO_H +#define PORTMACRO_H + +#ifdef __cplusplus +extern "C" { +#endif + +/*------------------------------------------------------------------------------ + * Port specific definitions. + * + * The settings in this file configure FreeRTOS correctly for the given hardware + * and compiler. + * + * These settings should not be altered. + *------------------------------------------------------------------------------ + */ + +/** + * @brief Type definitions. + */ +#define portCHAR char +#define portFLOAT float +#define portDOUBLE double +#define portLONG long +#define portSHORT short +#define portSTACK_TYPE uint32_t +#define portBASE_TYPE long + +typedef portSTACK_TYPE StackType_t; +typedef long BaseType_t; +typedef unsigned long UBaseType_t; + +#if( configUSE_16_BIT_TICKS == 1 ) + typedef uint16_t TickType_t; + #define portMAX_DELAY ( TickType_t ) 0xffff +#else + typedef uint32_t TickType_t; + #define portMAX_DELAY ( TickType_t ) 0xffffffffUL + + /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do + * not need to be guarded with a critical section. */ + #define portTICK_TYPE_IS_ATOMIC 1 +#endif +/*-----------------------------------------------------------*/ + +/** + * Architecture specifics. + */ +#define portSTACK_GROWTH ( -1 ) +#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) +#define portBYTE_ALIGNMENT 8 +#define portNOP() +#define portINLINE __inline +#ifndef portFORCE_INLINE + #define portFORCE_INLINE inline __attribute__(( always_inline )) +#endif +#define portHAS_STACK_OVERFLOW_CHECKING 1 +/*-----------------------------------------------------------*/ + +/** + * @brief Extern declarations. + */ +extern void vPortYield( void ) /* PRIVILEGED_FUNCTION */; + +extern void vPortEnterCritical( void ) /* PRIVILEGED_FUNCTION */; +extern void vPortExitCritical( void ) /* PRIVILEGED_FUNCTION */; + +extern uint32_t ulSetInterruptMaskFromISR( void ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */; +extern void vClearInterruptMaskFromISR( uint32_t ulMask ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */; + +#if( configENABLE_TRUSTZONE == 1 ) + extern void vPortAllocateSecureContext( uint32_t ulSecureStackSize ); + extern void vPortFreeSecureContext( uint32_t *pulTCB ) /* PRIVILEGED_FUNCTION */; +#endif /* configENABLE_TRUSTZONE */ + +#if( configENABLE_MPU == 1 ) + extern BaseType_t xIsPrivileged( void ) /* __attribute__ (( naked )) */; + extern void vResetPrivilege( void ) /* __attribute__ (( naked )) */; +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +/** + * @brief MPU specific constants. + */ +#if( configENABLE_MPU == 1 ) + #define portUSING_MPU_WRAPPERS 1 + #define portPRIVILEGE_BIT ( 0x80000000UL ) +#else + #define portPRIVILEGE_BIT ( 0x0UL ) +#endif /* configENABLE_MPU */ + + +/* MPU regions. */ +#define portPRIVILEGED_FLASH_REGION ( 0UL ) +#define portUNPRIVILEGED_FLASH_REGION ( 1UL ) +#define portPRIVILEGED_RAM_REGION ( 2UL ) +#define portUNPRIVILEGED_DEVICE_REGION ( 3UL ) +#define portSTACK_REGION ( 4UL ) +#define portFIRST_CONFIGURABLE_REGION ( 5UL ) +#define portLAST_CONFIGURABLE_REGION ( 7UL ) +#define portNUM_CONFIGURABLE_REGIONS ( ( portLAST_CONFIGURABLE_REGION - portFIRST_CONFIGURABLE_REGION ) + 1 ) +#define portTOTAL_NUM_REGIONS ( portNUM_CONFIGURABLE_REGIONS + 1 ) /* Plus one to make space for the stack region. */ + +/* Devices Region. */ +#define portDEVICE_REGION_START_ADDRESS ( 0x50000000 ) +#define portDEVICE_REGION_END_ADDRESS ( 0x5FFFFFFF ) + +/* Device memory attributes used in MPU_MAIR registers. + * + * 8-bit values encoded as follows: + * Bit[7:4] - 0000 - Device Memory + * Bit[3:2] - 00 --> Device-nGnRnE + * 01 --> Device-nGnRE + * 10 --> Device-nGRE + * 11 --> Device-GRE + * Bit[1:0] - 00, Reserved. + */ +#define portMPU_DEVICE_MEMORY_nGnRnE ( 0x00 ) /* 0000 0000 */ +#define portMPU_DEVICE_MEMORY_nGnRE ( 0x04 ) /* 0000 0100 */ +#define portMPU_DEVICE_MEMORY_nGRE ( 0x08 ) /* 0000 1000 */ +#define portMPU_DEVICE_MEMORY_GRE ( 0x0C ) /* 0000 1100 */ + +/* Normal memory attributes used in MPU_MAIR registers. */ +#define portMPU_NORMAL_MEMORY_NON_CACHEABLE ( 0x44 ) /* Non-cacheable. */ +#define portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE ( 0xFF ) /* Non-Transient, Write-back, Read-Allocate and Write-Allocate. */ + +/* Attributes used in MPU_RBAR registers. */ +#define portMPU_REGION_NON_SHAREABLE ( 0UL << 3UL ) +#define portMPU_REGION_INNER_SHAREABLE ( 1UL << 3UL ) +#define portMPU_REGION_OUTER_SHAREABLE ( 2UL << 3UL ) + +#define portMPU_REGION_PRIVILEGED_READ_WRITE ( 0UL << 1UL ) +#define portMPU_REGION_READ_WRITE ( 1UL << 1UL ) +#define portMPU_REGION_PRIVILEGED_READ_ONLY ( 2UL << 1UL ) +#define portMPU_REGION_READ_ONLY ( 3UL << 1UL ) + +#define portMPU_REGION_EXECUTE_NEVER ( 1UL ) +/*-----------------------------------------------------------*/ + +/** + * @brief Settings to define an MPU region. + */ +typedef struct MPURegionSettings +{ + uint32_t ulRBAR; /**< RBAR for the region. */ + uint32_t ulRLAR; /**< RLAR for the region. */ +} MPURegionSettings_t; + +/** + * @brief MPU settings as stored in the TCB. + */ +typedef struct MPU_SETTINGS +{ + uint32_t ulMAIR0; /**< MAIR0 for the task containing attributes for all the 4 per task regions. */ + MPURegionSettings_t xRegionsSettings[ portTOTAL_NUM_REGIONS ]; /**< Settings for 4 per task regions. */ +} xMPU_SETTINGS; +/*-----------------------------------------------------------*/ + +/** + * @brief SVC numbers. + */ +#define portSVC_ALLOCATE_SECURE_CONTEXT 0 +#define portSVC_FREE_SECURE_CONTEXT 1 +#define portSVC_START_SCHEDULER 2 +#define portSVC_RAISE_PRIVILEGE 3 +/*-----------------------------------------------------------*/ + +/** + * @brief Scheduler utilities. + */ +#define portYIELD() vPortYield() +#define portNVIC_INT_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed04 ) ) +#define portNVIC_PENDSVSET_BIT ( 1UL << 28UL ) +#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT +#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x ) +/*-----------------------------------------------------------*/ + +/** + * @brief Critical section management. + */ +#define portSET_INTERRUPT_MASK_FROM_ISR() ulSetInterruptMaskFromISR() +#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vClearInterruptMaskFromISR( x ) +#define portDISABLE_INTERRUPTS() __asm volatile ( " cpsid i " ::: "memory" ) +#define portENABLE_INTERRUPTS() __asm volatile ( " cpsie i " ::: "memory" ) +#define portENTER_CRITICAL() vPortEnterCritical() +#define portEXIT_CRITICAL() vPortExitCritical() +/*-----------------------------------------------------------*/ + +/** + * @brief Task function macros as described on the FreeRTOS.org WEB site. + */ +#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) +#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters ) +/*-----------------------------------------------------------*/ + +#if( configENABLE_TRUSTZONE == 1 ) + /** + * @brief Allocate a secure context for the task. + * + * Tasks are not created with a secure context. Any task that is going to call + * secure functions must call portALLOCATE_SECURE_CONTEXT() to allocate itself a + * secure context before it calls any secure function. + * + * @param[in] ulSecureStackSize The size of the secure stack to be allocated. + */ + #define portALLOCATE_SECURE_CONTEXT( ulSecureStackSize ) vPortAllocateSecureContext( ulSecureStackSize ) + + /** + * @brief Called when a task is deleted to delete the task's secure context, + * if it has one. + * + * @param[in] pxTCB The TCB of the task being deleted. + */ + #define portCLEAN_UP_TCB( pxTCB ) vPortFreeSecureContext( ( uint32_t * ) pxTCB ) +#else + #define portALLOCATE_SECURE_CONTEXT( ulSecureStackSize ) + #define portCLEAN_UP_TCB( pxTCB ) +#endif /* configENABLE_TRUSTZONE */ +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + /** + * @brief Checks whether or not the processor is privileged. + * + * @return 1 if the processor is already privileged, 0 otherwise. + */ + #define portIS_PRIVILEGED() xIsPrivileged() + + /** + * @brief Raise an SVC request to raise privilege. + * + * The SVC handler checks that the SVC was raised from a system call and only + * then it raises the privilege. If this is called from any other place, + * the privilege is not raised. + */ + #define portRAISE_PRIVILEGE() __asm volatile ( "svc %0 \n" :: "i" ( portSVC_RAISE_PRIVILEGE ) : "memory" ); + + /** + * @brief Lowers the privilege level by setting the bit 0 of the CONTROL + * register. + */ + #define portRESET_PRIVILEGE() vResetPrivilege() +#else + #define portIS_PRIVILEGED() + #define portRAISE_PRIVILEGE() + #define portRESET_PRIVILEGE() +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +#ifdef __cplusplus +} +#endif + +#endif /* PORTMACRO_H */ diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context.c b/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context.c new file mode 100644 index 000000000..b1a83160a --- /dev/null +++ b/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context.c @@ -0,0 +1,204 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Secure context includes. */ +#include "secure_context.h" + +/* Secure heap includes. */ +#include "secure_heap.h" + +/* Secure port macros. */ +#include "secure_port_macros.h" + +/** + * @brief CONTROL value for privileged tasks. + * + * Bit[0] - 0 --> Thread mode is privileged. + * Bit[1] - 1 --> Thread mode uses PSP. + */ +#define securecontextCONTROL_VALUE_PRIVILEGED 0x02 + +/** + * @brief CONTROL value for un-privileged tasks. + * + * Bit[0] - 1 --> Thread mode is un-privileged. + * Bit[1] - 1 --> Thread mode uses PSP. + */ +#define securecontextCONTROL_VALUE_UNPRIVILEGED 0x03 +/*-----------------------------------------------------------*/ + +/** + * @brief Structure to represent secure context. + * + * @note Since stack grows down, pucStackStart is the highest address while + * pucStackLimit is the first addess of the allocated memory. + */ +typedef struct SecureContext +{ + uint8_t *pucCurrentStackPointer; /**< Current value of stack pointer (PSP). */ + uint8_t *pucStackLimit; /**< Last location of the stack memory (PSPLIM). */ + uint8_t *pucStackStart; /**< First location of the stack memory. */ +} SecureContext_t; +/*-----------------------------------------------------------*/ + +secureportNON_SECURE_CALLABLE void SecureContext_Init( void ) +{ + uint32_t ulIPSR; + + /* Read the Interrupt Program Status Register (IPSR) value. */ + secureportREAD_IPSR( ulIPSR ); + + /* Do nothing if the processor is running in the Thread Mode. IPSR is zero + * when the processor is running in the Thread Mode. */ + if( ulIPSR != 0 ) + { + /* No stack for thread mode until a task's context is loaded. */ + secureportSET_PSPLIM( securecontextNO_STACK ); + secureportSET_PSP( securecontextNO_STACK ); + + #if( configENABLE_MPU == 1 ) + { + /* Configure thread mode to use PSP and to be unprivileged. */ + secureportSET_CONTROL( securecontextCONTROL_VALUE_UNPRIVILEGED ); + } + #else /* configENABLE_MPU */ + { + /* Configure thread mode to use PSP and to be privileged.. */ + secureportSET_CONTROL( securecontextCONTROL_VALUE_PRIVILEGED ); + } + #endif /* configENABLE_MPU */ + } +} +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + secureportNON_SECURE_CALLABLE SecureContextHandle_t SecureContext_AllocateContext( uint32_t ulSecureStackSize, uint32_t ulIsTaskPrivileged ) +#else /* configENABLE_MPU */ + secureportNON_SECURE_CALLABLE SecureContextHandle_t SecureContext_AllocateContext( uint32_t ulSecureStackSize ) +#endif /* configENABLE_MPU */ +{ + uint8_t *pucStackMemory = NULL; + uint32_t ulIPSR; + SecureContextHandle_t xSecureContextHandle = NULL; + #if( configENABLE_MPU == 1 ) + uint32_t *pulCurrentStackPointer = NULL; + #endif /* configENABLE_MPU */ + + /* Read the Interrupt Program Status Register (IPSR) value. */ + secureportREAD_IPSR( ulIPSR ); + + /* Do nothing if the processor is running in the Thread Mode. IPSR is zero + * when the processor is running in the Thread Mode. */ + if( ulIPSR != 0 ) + { + /* Allocate the context structure. */ + xSecureContextHandle = ( SecureContextHandle_t ) pvPortMalloc( sizeof( SecureContext_t ) ); + + if( xSecureContextHandle != NULL ) + { + /* Allocate the stack space. */ + pucStackMemory = pvPortMalloc( ulSecureStackSize ); + + if( pucStackMemory != NULL ) + { + /* Since stack grows down, the starting point will be the last + * location. Note that this location is next to the last + * allocated byte because the hardware decrements the stack + * pointer before writing i.e. if stack pointer is 0x2, a push + * operation will decrement the stack pointer to 0x1 and then + * write at 0x1. */ + xSecureContextHandle->pucStackStart = pucStackMemory + ulSecureStackSize; + + /* The stack cannot go beyond this location. This value is + * programmed in the PSPLIM register on context switch.*/ + xSecureContextHandle->pucStackLimit = pucStackMemory; + + #if( configENABLE_MPU == 1 ) + { + /* Store the correct CONTROL value for the task on the stack. + * This value is programmed in the CONTROL register on + * context switch. */ + pulCurrentStackPointer = ( uint32_t * ) xSecureContextHandle->pucStackStart; + pulCurrentStackPointer--; + if( ulIsTaskPrivileged ) + { + *( pulCurrentStackPointer ) = securecontextCONTROL_VALUE_PRIVILEGED; + } + else + { + *( pulCurrentStackPointer ) = securecontextCONTROL_VALUE_UNPRIVILEGED; + } + + /* Store the current stack pointer. This value is programmed in + * the PSP register on context switch. */ + xSecureContextHandle->pucCurrentStackPointer = ( uint8_t * ) pulCurrentStackPointer; + } + #else /* configENABLE_MPU */ + { + /* Current SP is set to the starting of the stack. This + * value programmed in the PSP register on context switch. */ + xSecureContextHandle->pucCurrentStackPointer = xSecureContextHandle->pucStackStart; + + } + #endif /* configENABLE_MPU */ + } + else + { + /* Free the context to avoid memory leak and make sure to return + * NULL to indicate failure. */ + vPortFree( xSecureContextHandle ); + xSecureContextHandle = NULL; + } + } + } + + return xSecureContextHandle; +} +/*-----------------------------------------------------------*/ + +secureportNON_SECURE_CALLABLE void SecureContext_FreeContext( SecureContextHandle_t xSecureContextHandle ) +{ + uint32_t ulIPSR; + + /* Read the Interrupt Program Status Register (IPSR) value. */ + secureportREAD_IPSR( ulIPSR ); + + /* Do nothing if the processor is running in the Thread Mode. IPSR is zero + * when the processor is running in the Thread Mode. */ + if( ulIPSR != 0 ) + { + /* Ensure that valid parameters are passed. */ + secureportASSERT( xSecureContextHandle != NULL ); + + /* Free the stack space. */ + vPortFree( xSecureContextHandle->pucStackLimit ); + + /* Free the context itself. */ + vPortFree( xSecureContextHandle ); + } +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context.h b/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context.h new file mode 100644 index 000000000..faac2a3ea --- /dev/null +++ b/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context.h @@ -0,0 +1,111 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __SECURE_CONTEXT_H__ +#define __SECURE_CONTEXT_H__ + +/* Standard includes. */ +#include + +/* FreeRTOS includes. */ +#include "FreeRTOSConfig.h" + +/** + * @brief PSP value when no task's context is loaded. + */ +#define securecontextNO_STACK 0x0 + +/** + * @brief Opaque handle. + */ +struct SecureContext; +typedef struct SecureContext* SecureContextHandle_t; +/*-----------------------------------------------------------*/ + +/** + * @brief Initializes the secure context management system. + * + * PSP is set to NULL and therefore a task must allocate and load a context + * before calling any secure side function in the thread mode. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + */ +void SecureContext_Init( void ); + +/** + * @brief Allocates a context on the secure side. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + * + * @param[in] ulSecureStackSize Size of the stack to allocate on secure side. + * @param[in] ulIsTaskPrivileged 1 if the calling task is privileged, 0 otherwise. + * + * @return Opaque context handle if context is successfully allocated, NULL + * otherwise. + */ +#if( configENABLE_MPU == 1 ) + SecureContextHandle_t SecureContext_AllocateContext( uint32_t ulSecureStackSize, uint32_t ulIsTaskPrivileged ); +#else /* configENABLE_MPU */ + SecureContextHandle_t SecureContext_AllocateContext( uint32_t ulSecureStackSize ); +#endif /* configENABLE_MPU */ + +/** + * @brief Frees the given context. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + * + * @param[in] xSecureContextHandle Context handle corresponding to the + * context to be freed. + */ +void SecureContext_FreeContext( SecureContextHandle_t xSecureContextHandle ); + +/** + * @brief Loads the given context. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + * + * @param[in] xSecureContextHandle Context handle corresponding to the context + * to be loaded. + */ +void SecureContext_LoadContext( SecureContextHandle_t xSecureContextHandle ); + +/** + * @brief Saves the given context. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + * + * @param[in] xSecureContextHandle Context handle corresponding to the context + * to be saved. + */ +void SecureContext_SaveContext( SecureContextHandle_t xSecureContextHandle ); + +#endif /* __SECURE_CONTEXT_H__ */ diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context_port.c b/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context_port.c new file mode 100644 index 000000000..21a6d50e1 --- /dev/null +++ b/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context_port.c @@ -0,0 +1,48 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Secure context includes. */ +#include "secure_context.h" + +/* Secure port macros. */ +#include "secure_port_macros.h" + +/* Functions implemented in assembler file. */ +extern void SecureContext_LoadContextAsm( SecureContextHandle_t xSecureContextHandle ); +extern void SecureContext_SaveContextAsm( SecureContextHandle_t xSecureContextHandle ); + +secureportNON_SECURE_CALLABLE void SecureContext_LoadContext( SecureContextHandle_t xSecureContextHandle ) +{ + SecureContext_LoadContextAsm( xSecureContextHandle ); +} +/*-----------------------------------------------------------*/ + +secureportNON_SECURE_CALLABLE void SecureContext_SaveContext( SecureContextHandle_t xSecureContextHandle ) +{ + SecureContext_SaveContextAsm( xSecureContextHandle ); +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context_port_asm.s b/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context_port_asm.s new file mode 100644 index 000000000..69ff1a666 --- /dev/null +++ b/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_context_port_asm.s @@ -0,0 +1,73 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + + SECTION .text:CODE:NOROOT(2) + THUMB + + PUBLIC SecureContext_LoadContextAsm + PUBLIC SecureContext_SaveContextAsm +/*-----------------------------------------------------------*/ + +SecureContext_LoadContextAsm: + /* xSecureContextHandle value is in r0. */ + mrs r1, ipsr /* r1 = IPSR. */ + cbz r1, load_ctx_therad_mode /* Do nothing if the processor is running in the Thread Mode. */ + ldmia r0!, {r1, r2} /* r1 = xSecureContextHandle->pucCurrentStackPointer, r2 = xSecureContextHandle->pucStackLimit. */ +#if ( configENABLE_MPU == 1 ) + ldmia r1!, {r3} /* Read CONTROL register value from task's stack. r3 = CONTROL. */ + msr control, r3 /* CONTROL = r3. */ +#endif /* configENABLE_MPU */ + msr psplim, r2 /* PSPLIM = r2. */ + msr psp, r1 /* PSP = r1. */ + + load_ctx_therad_mode: + bx lr +/*-----------------------------------------------------------*/ + +SecureContext_SaveContextAsm: + /* xSecureContextHandle value is in r0. */ + mrs r1, ipsr /* r1 = IPSR. */ + cbz r1, save_ctx_therad_mode /* Do nothing if the processor is running in the Thread Mode. */ + mrs r1, psp /* r1 = PSP. */ +#if ( configENABLE_FPU == 1 ) + vstmdb r1!, {s0} /* Trigger the defferred stacking of FPU registers. */ + vldmia r1!, {s0} /* Nullify the effect of the pervious statement. */ +#endif /* configENABLE_FPU */ +#if ( configENABLE_MPU == 1 ) + mrs r2, control /* r2 = CONTROL. */ + stmdb r1!, {r2} /* Store CONTROL value on the stack. */ +#endif /* configENABLE_MPU */ + str r1, [r0] /* Save the top of stack in context. xSecureContextHandle->pucCurrentStackPointer = r1. */ + movs r1, #0 /* r1 = securecontextNO_STACK. */ + msr psplim, r1 /* PSPLIM = securecontextNO_STACK. */ + msr psp, r1 /* PSP = securecontextNO_STACK i.e. No stack for thread mode until next task's context is loaded. */ + + save_ctx_therad_mode: + bx lr +/*-----------------------------------------------------------*/ + + END diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_heap.c b/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_heap.c new file mode 100644 index 000000000..127860d97 --- /dev/null +++ b/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_heap.c @@ -0,0 +1,450 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Standard includes. */ +#include + +/* Secure context heap includes. */ +#include "secure_heap.h" + +/* Secure port macros. */ +#include "secure_port_macros.h" + +/** + * @brief Total heap size. + */ +#define secureconfigTOTAL_HEAP_SIZE ( ( ( size_t ) ( 10 * 1024 ) ) ) + +/* No test marker by default. */ +#ifndef mtCOVERAGE_TEST_MARKER + #define mtCOVERAGE_TEST_MARKER() +#endif + +/* No tracing by default. */ +#ifndef traceMALLOC + #define traceMALLOC( pvReturn, xWantedSize ) +#endif + +/* No tracing by default. */ +#ifndef traceFREE + #define traceFREE( pv, xBlockSize ) +#endif + +/* Block sizes must not get too small. */ +#define secureheapMINIMUM_BLOCK_SIZE ( ( size_t ) ( xHeapStructSize << 1 ) ) + +/* Assumes 8bit bytes! */ +#define secureheapBITS_PER_BYTE ( ( size_t ) 8 ) +/*-----------------------------------------------------------*/ + +/* Allocate the memory for the heap. */ +#if( configAPPLICATION_ALLOCATED_HEAP == 1 ) + /* The application writer has already defined the array used for the RTOS + * heap - probably so it can be placed in a special segment or address. */ + extern uint8_t ucHeap[ secureconfigTOTAL_HEAP_SIZE ]; +#else /* configAPPLICATION_ALLOCATED_HEAP */ + static uint8_t ucHeap[ secureconfigTOTAL_HEAP_SIZE ]; +#endif /* configAPPLICATION_ALLOCATED_HEAP */ + +/** + * @brief The linked list structure. + * + * This is used to link free blocks in order of their memory address. + */ +typedef struct A_BLOCK_LINK +{ + struct A_BLOCK_LINK *pxNextFreeBlock; /**< The next free block in the list. */ + size_t xBlockSize; /**< The size of the free block. */ +} BlockLink_t; +/*-----------------------------------------------------------*/ + +/** + * @brief Called automatically to setup the required heap structures the first + * time pvPortMalloc() is called. + */ +static void prvHeapInit( void ); + +/** + * @brief Inserts a block of memory that is being freed into the correct + * position in the list of free memory blocks. + * + * The block being freed will be merged with the block in front it and/or the + * block behind it if the memory blocks are adjacent to each other. + * + * @param[in] pxBlockToInsert The block being freed. + */ +static void prvInsertBlockIntoFreeList( BlockLink_t *pxBlockToInsert ); +/*-----------------------------------------------------------*/ + +/** + * @brief The size of the structure placed at the beginning of each allocated + * memory block must by correctly byte aligned. + */ +static const size_t xHeapStructSize = ( sizeof( BlockLink_t ) + ( ( size_t ) ( secureportBYTE_ALIGNMENT - 1 ) ) ) & ~( ( size_t ) secureportBYTE_ALIGNMENT_MASK ); + +/** + * @brief Create a couple of list links to mark the start and end of the list. + */ +static BlockLink_t xStart, *pxEnd = NULL; + +/** + * @brief Keeps track of the number of free bytes remaining, but says nothing + * about fragmentation. + */ +static size_t xFreeBytesRemaining = 0U; +static size_t xMinimumEverFreeBytesRemaining = 0U; + +/** + * @brief Gets set to the top bit of an size_t type. + * + * When this bit in the xBlockSize member of an BlockLink_t structure is set + * then the block belongs to the application. When the bit is free the block is + * still part of the free heap space. + */ +static size_t xBlockAllocatedBit = 0; +/*-----------------------------------------------------------*/ + +static void prvHeapInit( void ) +{ +BlockLink_t *pxFirstFreeBlock; +uint8_t *pucAlignedHeap; +size_t uxAddress; +size_t xTotalHeapSize = secureconfigTOTAL_HEAP_SIZE; + + /* Ensure the heap starts on a correctly aligned boundary. */ + uxAddress = ( size_t ) ucHeap; + + if( ( uxAddress & secureportBYTE_ALIGNMENT_MASK ) != 0 ) + { + uxAddress += ( secureportBYTE_ALIGNMENT - 1 ); + uxAddress &= ~( ( size_t ) secureportBYTE_ALIGNMENT_MASK ); + xTotalHeapSize -= uxAddress - ( size_t ) ucHeap; + } + + pucAlignedHeap = ( uint8_t * ) uxAddress; + + /* xStart is used to hold a pointer to the first item in the list of free + * blocks. The void cast is used to prevent compiler warnings. */ + xStart.pxNextFreeBlock = ( void * ) pucAlignedHeap; + xStart.xBlockSize = ( size_t ) 0; + + /* pxEnd is used to mark the end of the list of free blocks and is inserted + * at the end of the heap space. */ + uxAddress = ( ( size_t ) pucAlignedHeap ) + xTotalHeapSize; + uxAddress -= xHeapStructSize; + uxAddress &= ~( ( size_t ) secureportBYTE_ALIGNMENT_MASK ); + pxEnd = ( void * ) uxAddress; + pxEnd->xBlockSize = 0; + pxEnd->pxNextFreeBlock = NULL; + + /* To start with there is a single free block that is sized to take up the + * entire heap space, minus the space taken by pxEnd. */ + pxFirstFreeBlock = ( void * ) pucAlignedHeap; + pxFirstFreeBlock->xBlockSize = uxAddress - ( size_t ) pxFirstFreeBlock; + pxFirstFreeBlock->pxNextFreeBlock = pxEnd; + + /* Only one block exists - and it covers the entire usable heap space. */ + xMinimumEverFreeBytesRemaining = pxFirstFreeBlock->xBlockSize; + xFreeBytesRemaining = pxFirstFreeBlock->xBlockSize; + + /* Work out the position of the top bit in a size_t variable. */ + xBlockAllocatedBit = ( ( size_t ) 1 ) << ( ( sizeof( size_t ) * secureheapBITS_PER_BYTE ) - 1 ); +} +/*-----------------------------------------------------------*/ + +static void prvInsertBlockIntoFreeList( BlockLink_t *pxBlockToInsert ) +{ +BlockLink_t *pxIterator; +uint8_t *puc; + + /* Iterate through the list until a block is found that has a higher address + * than the block being inserted. */ + for( pxIterator = &xStart; pxIterator->pxNextFreeBlock < pxBlockToInsert; pxIterator = pxIterator->pxNextFreeBlock ) + { + /* Nothing to do here, just iterate to the right position. */ + } + + /* Do the block being inserted, and the block it is being inserted after + * make a contiguous block of memory? */ + puc = ( uint8_t * ) pxIterator; + if( ( puc + pxIterator->xBlockSize ) == ( uint8_t * ) pxBlockToInsert ) + { + pxIterator->xBlockSize += pxBlockToInsert->xBlockSize; + pxBlockToInsert = pxIterator; + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + + /* Do the block being inserted, and the block it is being inserted before + * make a contiguous block of memory? */ + puc = ( uint8_t * ) pxBlockToInsert; + if( ( puc + pxBlockToInsert->xBlockSize ) == ( uint8_t * ) pxIterator->pxNextFreeBlock ) + { + if( pxIterator->pxNextFreeBlock != pxEnd ) + { + /* Form one big block from the two blocks. */ + pxBlockToInsert->xBlockSize += pxIterator->pxNextFreeBlock->xBlockSize; + pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock->pxNextFreeBlock; + } + else + { + pxBlockToInsert->pxNextFreeBlock = pxEnd; + } + } + else + { + pxBlockToInsert->pxNextFreeBlock = pxIterator->pxNextFreeBlock; + } + + /* If the block being inserted plugged a gab, so was merged with the block + * before and the block after, then it's pxNextFreeBlock pointer will have + * already been set, and should not be set here as that would make it point + * to itself. */ + if( pxIterator != pxBlockToInsert ) + { + pxIterator->pxNextFreeBlock = pxBlockToInsert; + } + else + { + mtCOVERAGE_TEST_MARKER(); + } +} +/*-----------------------------------------------------------*/ + +void *pvPortMalloc( size_t xWantedSize ) +{ +BlockLink_t *pxBlock, *pxPreviousBlock, *pxNewBlockLink; +void *pvReturn = NULL; + + /* If this is the first call to malloc then the heap will require + * initialisation to setup the list of free blocks. */ + if( pxEnd == NULL ) + { + prvHeapInit(); + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + + /* Check the requested block size is not so large that the top bit is set. + * The top bit of the block size member of the BlockLink_t structure is used + * to determine who owns the block - the application or the kernel, so it + * must be free. */ + if( ( xWantedSize & xBlockAllocatedBit ) == 0 ) + { + /* The wanted size is increased so it can contain a BlockLink_t + * structure in addition to the requested amount of bytes. */ + if( xWantedSize > 0 ) + { + xWantedSize += xHeapStructSize; + + /* Ensure that blocks are always aligned to the required number of + * bytes. */ + if( ( xWantedSize & secureportBYTE_ALIGNMENT_MASK ) != 0x00 ) + { + /* Byte alignment required. */ + xWantedSize += ( secureportBYTE_ALIGNMENT - ( xWantedSize & secureportBYTE_ALIGNMENT_MASK ) ); + secureportASSERT( ( xWantedSize & secureportBYTE_ALIGNMENT_MASK ) == 0 ); + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + + if( ( xWantedSize > 0 ) && ( xWantedSize <= xFreeBytesRemaining ) ) + { + /* Traverse the list from the start (lowest address) block until + * one of adequate size is found. */ + pxPreviousBlock = &xStart; + pxBlock = xStart.pxNextFreeBlock; + while( ( pxBlock->xBlockSize < xWantedSize ) && ( pxBlock->pxNextFreeBlock != NULL ) ) + { + pxPreviousBlock = pxBlock; + pxBlock = pxBlock->pxNextFreeBlock; + } + + /* If the end marker was reached then a block of adequate size was + * not found. */ + if( pxBlock != pxEnd ) + { + /* Return the memory space pointed to - jumping over the + * BlockLink_t structure at its start. */ + pvReturn = ( void * ) ( ( ( uint8_t * ) pxPreviousBlock->pxNextFreeBlock ) + xHeapStructSize ); + + /* This block is being returned for use so must be taken out + * of the list of free blocks. */ + pxPreviousBlock->pxNextFreeBlock = pxBlock->pxNextFreeBlock; + + /* If the block is larger than required it can be split into + * two. */ + if( ( pxBlock->xBlockSize - xWantedSize ) > secureheapMINIMUM_BLOCK_SIZE ) + { + /* This block is to be split into two. Create a new + * block following the number of bytes requested. The void + * cast is used to prevent byte alignment warnings from the + * compiler. */ + pxNewBlockLink = ( void * ) ( ( ( uint8_t * ) pxBlock ) + xWantedSize ); + secureportASSERT( ( ( ( size_t ) pxNewBlockLink ) & secureportBYTE_ALIGNMENT_MASK ) == 0 ); + + /* Calculate the sizes of two blocks split from the single + * block. */ + pxNewBlockLink->xBlockSize = pxBlock->xBlockSize - xWantedSize; + pxBlock->xBlockSize = xWantedSize; + + /* Insert the new block into the list of free blocks. */ + prvInsertBlockIntoFreeList( pxNewBlockLink ); + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + + xFreeBytesRemaining -= pxBlock->xBlockSize; + + if( xFreeBytesRemaining < xMinimumEverFreeBytesRemaining ) + { + xMinimumEverFreeBytesRemaining = xFreeBytesRemaining; + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + + /* The block is being returned - it is allocated and owned by + * the application and has no "next" block. */ + pxBlock->xBlockSize |= xBlockAllocatedBit; + pxBlock->pxNextFreeBlock = NULL; + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + + traceMALLOC( pvReturn, xWantedSize ); + + #if( secureconfigUSE_MALLOC_FAILED_HOOK == 1 ) + { + if( pvReturn == NULL ) + { + extern void vApplicationMallocFailedHook( void ); + vApplicationMallocFailedHook(); + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + } + #endif + + secureportASSERT( ( ( ( size_t ) pvReturn ) & ( size_t ) secureportBYTE_ALIGNMENT_MASK ) == 0 ); + return pvReturn; +} +/*-----------------------------------------------------------*/ + +void vPortFree( void *pv ) +{ +uint8_t *puc = ( uint8_t * ) pv; +BlockLink_t *pxLink; + + if( pv != NULL ) + { + /* The memory being freed will have an BlockLink_t structure immediately + * before it. */ + puc -= xHeapStructSize; + + /* This casting is to keep the compiler from issuing warnings. */ + pxLink = ( void * ) puc; + + /* Check the block is actually allocated. */ + secureportASSERT( ( pxLink->xBlockSize & xBlockAllocatedBit ) != 0 ); + secureportASSERT( pxLink->pxNextFreeBlock == NULL ); + + if( ( pxLink->xBlockSize & xBlockAllocatedBit ) != 0 ) + { + if( pxLink->pxNextFreeBlock == NULL ) + { + /* The block is being returned to the heap - it is no longer + * allocated. */ + pxLink->xBlockSize &= ~xBlockAllocatedBit; + + secureportDISABLE_NON_SECURE_INTERRUPTS(); + { + /* Add this block to the list of free blocks. */ + xFreeBytesRemaining += pxLink->xBlockSize; + traceFREE( pv, pxLink->xBlockSize ); + prvInsertBlockIntoFreeList( ( ( BlockLink_t * ) pxLink ) ); + } + secureportENABLE_NON_SECURE_INTERRUPTS(); + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + } + else + { + mtCOVERAGE_TEST_MARKER(); + } + } +} +/*-----------------------------------------------------------*/ + +size_t xPortGetFreeHeapSize( void ) +{ + return xFreeBytesRemaining; +} +/*-----------------------------------------------------------*/ + +size_t xPortGetMinimumEverFreeHeapSize( void ) +{ + return xMinimumEverFreeBytesRemaining; +} +/*-----------------------------------------------------------*/ + +void vPortInitialiseBlocks( void ) +{ + /* This just exists to keep the linker quiet. */ +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_heap.h b/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_heap.h new file mode 100644 index 000000000..d185aaad8 --- /dev/null +++ b/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_heap.h @@ -0,0 +1,51 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __SECURE_HEAP_H__ +#define __SECURE_HEAP_H__ + +/* Standard includes. */ +#include + +/** + * @brief Allocates memory from heap. + * + * @param[in] xWantedSize The size of the memory to be allocated. + * + * @return Pointer to the memory region if the allocation is successful, NULL + * otherwise. + */ +void *pvPortMalloc( size_t xWantedSize ); + +/** + * @brief Frees the previously allocated memory. + * + * @param[in] pv Pointer to the memory to be freed. + */ +void vPortFree( void *pv ); + +#endif /* __SECURE_HEAP_H__ */ diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_init.c b/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_init.c new file mode 100644 index 000000000..56d91116c --- /dev/null +++ b/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_init.c @@ -0,0 +1,105 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Standard includes. */ +#include + +/* Secure init includes. */ +#include "secure_init.h" + +/* Secure port macros. */ +#include "secure_port_macros.h" + +/** + * @brief Constants required to manipulate the SCB. + */ +#define secureinitSCB_AIRCR ( ( volatile uint32_t * ) 0xe000ed0c ) /* Application Interrupt and Reset Control Register. */ +#define secureinitSCB_AIRCR_VECTKEY_POS ( 16UL ) +#define secureinitSCB_AIRCR_VECTKEY_MASK ( 0xFFFFUL << secureinitSCB_AIRCR_VECTKEY_POS ) +#define secureinitSCB_AIRCR_PRIS_POS ( 14UL ) +#define secureinitSCB_AIRCR_PRIS_MASK ( 1UL << secureinitSCB_AIRCR_PRIS_POS ) + +/** + * @brief Constants required to manipulate the FPU. + */ +#define secureinitFPCCR ( ( volatile uint32_t * ) 0xe000ef34 ) /* Floating Point Context Control Register. */ +#define secureinitFPCCR_LSPENS_POS ( 29UL ) +#define secureinitFPCCR_LSPENS_MASK ( 1UL << secureinitFPCCR_LSPENS_POS ) +#define secureinitFPCCR_TS_POS ( 26UL ) +#define secureinitFPCCR_TS_MASK ( 1UL << secureinitFPCCR_TS_POS ) + +#define secureinitNSACR ( ( volatile uint32_t * ) 0xe000ed8c ) /* Non-secure Access Control Register. */ +#define secureinitNSACR_CP10_POS ( 10UL ) +#define secureinitNSACR_CP10_MASK ( 1UL << secureinitNSACR_CP10_POS ) +#define secureinitNSACR_CP11_POS ( 11UL ) +#define secureinitNSACR_CP11_MASK ( 1UL << secureinitNSACR_CP11_POS ) +/*-----------------------------------------------------------*/ + +secureportNON_SECURE_CALLABLE void SecureInit_DePrioritizeNSExceptions( void ) +{ + uint32_t ulIPSR; + + /* Read the Interrupt Program Status Register (IPSR) value. */ + secureportREAD_IPSR( ulIPSR ); + + /* Do nothing if the processor is running in the Thread Mode. IPSR is zero + * when the processor is running in the Thread Mode. */ + if( ulIPSR != 0 ) + { + *( secureinitSCB_AIRCR ) = ( *( secureinitSCB_AIRCR ) & ~( secureinitSCB_AIRCR_VECTKEY_MASK | secureinitSCB_AIRCR_PRIS_MASK ) ) | + ( ( 0x05FAUL << secureinitSCB_AIRCR_VECTKEY_POS ) & secureinitSCB_AIRCR_VECTKEY_MASK ) | + ( ( 0x1UL << secureinitSCB_AIRCR_PRIS_POS ) & secureinitSCB_AIRCR_PRIS_MASK ); + } +} +/*-----------------------------------------------------------*/ + +secureportNON_SECURE_CALLABLE void SecureInit_EnableNSFPUAccess( void ) +{ + uint32_t ulIPSR; + + /* Read the Interrupt Program Status Register (IPSR) value. */ + secureportREAD_IPSR( ulIPSR ); + + /* Do nothing if the processor is running in the Thread Mode. IPSR is zero + * when the processor is running in the Thread Mode. */ + if( ulIPSR != 0 ) + { + /* CP10 = 1 ==> Non-secure access to the Floating Point Unit is + * permitted. CP11 should be programmed to the same value as CP10. */ + *( secureinitNSACR ) |= ( secureinitNSACR_CP10_MASK | secureinitNSACR_CP11_MASK ); + + /* LSPENS = 0 ==> LSPEN is writable fron non-secure state. This ensures + * that we can enable/disable lazy stacking in port.c file. */ + *( secureinitFPCCR ) &= ~ ( secureinitFPCCR_LSPENS_MASK ); + + /* TS = 1 ==> Treat FP registers as secure i.e. callee saved FP + * registers (S16-S31) are also pushed to stack on exception entry and + * restored on exception return. */ + *( secureinitFPCCR ) |= ( secureinitFPCCR_TS_MASK ); + } +} +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_init.h b/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_init.h new file mode 100644 index 000000000..2660c2c1f --- /dev/null +++ b/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_init.h @@ -0,0 +1,53 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __SECURE_INIT_H__ +#define __SECURE_INIT_H__ + +/** + * @brief De-prioritizes the non-secure exceptions. + * + * This is needed to ensure that the non-secure PendSV runs at the lowest + * priority. Context switch is done in the non-secure PendSV handler. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + */ +void SecureInit_DePrioritizeNSExceptions( void ); + +/** + * @brief Sets up the Floating Point Unit (FPU) for Non-Secure access. + * + * Also sets FPCCR.TS=1 to ensure that the content of the Floating Point + * Registers are not leaked to the non-secure side. + * + * @note This function must be called in the handler mode. It is no-op if called + * in the thread mode. + */ +void SecureInit_EnableNSFPUAccess( void ); + +#endif /* __SECURE_INIT_H__ */ diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_port_macros.h b/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_port_macros.h new file mode 100644 index 000000000..aa279925d --- /dev/null +++ b/FreeRTOS/Source/portable/IAR/ARM_CM33/secure/secure_port_macros.h @@ -0,0 +1,133 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __SECURE_PORT_MACROS_H__ +#define __SECURE_PORT_MACROS_H__ + +/** + * @brief Byte alignment requirements. + */ +#define secureportBYTE_ALIGNMENT 8 +#define secureportBYTE_ALIGNMENT_MASK ( 0x0007 ) + +/** + * @brief Macro to declare a function as non-secure callable. + */ +#if defined( __IAR_SYSTEMS_ICC__ ) + #define secureportNON_SECURE_CALLABLE __cmse_nonsecure_entry +#else + #define secureportNON_SECURE_CALLABLE __attribute__((cmse_nonsecure_entry)) +#endif + +/** + * @brief Set the secure PRIMASK value. + */ +#define secureportSET_SECURE_PRIMASK( ulPrimaskValue ) \ + __asm volatile ( "msr primask, %0" : : "r" ( ulPrimaskValue ) : "memory" ) + +/** + * @brief Set the non-secure PRIMASK value. + */ +#define secureportSET_NON_SECURE_PRIMASK( ulPrimaskValue ) \ + __asm volatile ( "msr primask_ns, %0" : : "r" ( ulPrimaskValue ) : "memory" ) + +/** + * @brief Read the PSP value in the given variable. + */ +#define secureportREAD_PSP( pucOutCurrentStackPointer ) \ + __asm volatile ( "mrs %0, psp" : "=r" ( pucOutCurrentStackPointer ) ) + +/** + * @brief Set the PSP to the given value. + */ +#define secureportSET_PSP( pucCurrentStackPointer ) \ + __asm volatile ( "msr psp, %0" : : "r" ( pucCurrentStackPointer ) ) + +/** + * @brief Set the PSPLIM to the given value. + */ +#define secureportSET_PSPLIM( pucStackLimit ) \ + __asm volatile ( "msr psplim, %0" : : "r" ( pucStackLimit ) ) + +/** + * @brief Set the NonSecure MSP to the given value. + */ +#define secureportSET_MSP_NS( pucMainStackPointer ) \ + __asm volatile ( "msr msp_ns, %0" : : "r" ( pucMainStackPointer ) ) + +/** + * @brief Set the CONTROL register to the given value. + */ +#define secureportSET_CONTROL( ulControl ) \ + __asm volatile ( "msr control, %0" : : "r" ( ulControl ) : "memory" ) + +/** + * @brief Read the Interrupt Program Status Register (IPSR) value in the given + * variable. + */ +#define secureportREAD_IPSR( ulIPSR ) \ + __asm volatile ( "mrs %0, ipsr" : "=r" ( ulIPSR ) ) + +/** + * @brief PRIMASK value to enable interrupts. + */ +#define secureportPRIMASK_ENABLE_INTERRUPTS_VAL 0 + +/** + * @brief PRIMASK value to disable interrupts. + */ +#define secureportPRIMASK_DISABLE_INTERRUPTS_VAL 1 + +/** + * @brief Disable secure interrupts. + */ +#define secureportDISABLE_SECURE_INTERRUPTS() secureportSET_SECURE_PRIMASK( secureportPRIMASK_DISABLE_INTERRUPTS_VAL ) + +/** + * @brief Disable non-secure interrupts. + * + * This effectively disables context switches. + */ +#define secureportDISABLE_NON_SECURE_INTERRUPTS() secureportSET_NON_SECURE_PRIMASK( secureportPRIMASK_DISABLE_INTERRUPTS_VAL ) + +/** + * @brief Enable non-secure interrupts. + */ +#define secureportENABLE_NON_SECURE_INTERRUPTS() secureportSET_NON_SECURE_PRIMASK( secureportPRIMASK_ENABLE_INTERRUPTS_VAL ) + +/** + * @brief Assert definition. + */ +#define secureportASSERT( x ) \ + if( ( x ) == 0 ) \ + { \ + secureportDISABLE_SECURE_INTERRUPTS(); \ + secureportDISABLE_NON_SECURE_INTERRUPTS(); \ + for( ;; ); \ + } + +#endif /* __SECURE_PORT_MACROS_H__ */ diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM33_NTZ/non_secure/port.c b/FreeRTOS/Source/portable/IAR/ARM_CM33_NTZ/non_secure/port.c new file mode 100644 index 000000000..a549bb14c --- /dev/null +++ b/FreeRTOS/Source/portable/IAR/ARM_CM33_NTZ/non_secure/port.c @@ -0,0 +1,860 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE prevents task.h from redefining + * all the API functions to use the MPU wrappers. That should only be done when + * task.h is included from an application file. */ +#define MPU_WRAPPERS_INCLUDED_FROM_API_FILE + +/* Scheduler includes. */ +#include "FreeRTOS.h" +#include "task.h" + +/* MPU wrappers includes. */ +#include "mpu_wrappers.h" + +/* Portasm includes. */ +#include "portasm.h" + +#if( configENABLE_TRUSTZONE == 1 ) + /* Secure components includes. */ + #include "secure_context.h" + #include "secure_init.h" +#endif /* configENABLE_TRUSTZONE */ + +#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the NVIC. + */ +#define portNVIC_SYSTICK_CTRL ( ( volatile uint32_t * ) 0xe000e010 ) +#define portNVIC_SYSTICK_LOAD ( ( volatile uint32_t * ) 0xe000e014 ) +#define portNVIC_SYSTICK_CURRENT_VALUE ( ( volatile uint32_t * ) 0xe000e018 ) +#define portNVIC_INT_CTRL ( ( volatile uint32_t * ) 0xe000ed04 ) +#define portNVIC_SYSPRI2 ( ( volatile uint32_t * ) 0xe000ed20 ) +#define portNVIC_SYSTICK_CLK ( 0x00000004 ) +#define portNVIC_SYSTICK_INT ( 0x00000002 ) +#define portNVIC_SYSTICK_ENABLE ( 0x00000001 ) +#define portNVIC_PENDSVSET ( 0x10000000 ) +#define portMIN_INTERRUPT_PRIORITY ( 255UL ) +#define portNVIC_PENDSV_PRI ( portMIN_INTERRUPT_PRIORITY << 16UL ) +#define portNVIC_SYSTICK_PRI ( portMIN_INTERRUPT_PRIORITY << 24UL ) +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the SCB. + */ +#define portSCB_SYS_HANDLER_CTRL_STATE_REG ( * ( volatile uint32_t * ) 0xe000ed24 ) +#define portSCB_MEM_FAULT_ENABLE ( 1UL << 16UL ) +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the FPU. + */ +#define portCPACR ( ( volatile uint32_t * ) 0xe000ed88 ) /* Coprocessor Access Control Register. */ +#define portCPACR_CP10_VALUE ( 3UL ) +#define portCPACR_CP11_VALUE portCPACR_CP10_VALUE +#define portCPACR_CP10_POS ( 20UL ) +#define portCPACR_CP11_POS ( 22UL ) + +#define portFPCCR ( ( volatile uint32_t * ) 0xe000ef34 ) /* Floating Point Context Control Register. */ +#define portFPCCR_ASPEN_POS ( 31UL ) +#define portFPCCR_ASPEN_MASK ( 1UL << portFPCCR_ASPEN_POS ) +#define portFPCCR_LSPEN_POS ( 30UL ) +#define portFPCCR_LSPEN_MASK ( 1UL << portFPCCR_LSPEN_POS ) +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to manipulate the MPU. + */ +#define portMPU_TYPE_REG ( * ( ( volatile uint32_t * ) 0xe000ed90 ) ) +#define portMPU_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed94 ) ) +#define portMPU_RNR_REG ( * ( ( volatile uint32_t * ) 0xe000ed98 ) ) + +#define portMPU_RBAR_REG ( * ( ( volatile uint32_t * ) 0xe000ed9c ) ) +#define portMPU_RLAR_REG ( * ( ( volatile uint32_t * ) 0xe000eda0 ) ) + +#define portMPU_RBAR_A1_REG ( * ( ( volatile uint32_t * ) 0xe000eda4 ) ) +#define portMPU_RLAR_A1_REG ( * ( ( volatile uint32_t * ) 0xe000eda8 ) ) + +#define portMPU_RBAR_A2_REG ( * ( ( volatile uint32_t * ) 0xe000edac ) ) +#define portMPU_RLAR_A2_REG ( * ( ( volatile uint32_t * ) 0xe000edb0 ) ) + +#define portMPU_RBAR_A3_REG ( * ( ( volatile uint32_t * ) 0xe000edb4 ) ) +#define portMPU_RLAR_A3_REG ( * ( ( volatile uint32_t * ) 0xe000edb8 ) ) + +#define portMPU_MAIR0_REG ( * ( ( volatile uint32_t * ) 0xe000edc0 ) ) +#define portMPU_MAIR1_REG ( * ( ( volatile uint32_t * ) 0xe000edc4 ) ) + +#define portMPU_RBAR_ADDRESS_MASK ( 0xffffffe0 ) /* Must be 32-byte aligned. */ +#define portMPU_RLAR_ADDRESS_MASK ( 0xffffffe0 ) /* Must be 32-byte aligned. */ + +#define portMPU_MAIR_ATTR0_POS ( 0UL ) +#define portMPU_MAIR_ATTR0_MASK ( 0x000000ff ) + +#define portMPU_MAIR_ATTR1_POS ( 8UL ) +#define portMPU_MAIR_ATTR1_MASK ( 0x0000ff00 ) + +#define portMPU_MAIR_ATTR2_POS ( 16UL ) +#define portMPU_MAIR_ATTR2_MASK ( 0x00ff0000 ) + +#define portMPU_MAIR_ATTR3_POS ( 24UL ) +#define portMPU_MAIR_ATTR3_MASK ( 0xff000000 ) + +#define portMPU_MAIR_ATTR4_POS ( 0UL ) +#define portMPU_MAIR_ATTR4_MASK ( 0x000000ff ) + +#define portMPU_MAIR_ATTR5_POS ( 8UL ) +#define portMPU_MAIR_ATTR5_MASK ( 0x0000ff00 ) + +#define portMPU_MAIR_ATTR6_POS ( 16UL ) +#define portMPU_MAIR_ATTR6_MASK ( 0x00ff0000 ) + +#define portMPU_MAIR_ATTR7_POS ( 24UL ) +#define portMPU_MAIR_ATTR7_MASK ( 0xff000000 ) + +#define portMPU_RLAR_ATTR_INDEX0 ( 0UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX1 ( 1UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX2 ( 2UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX3 ( 3UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX4 ( 4UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX5 ( 5UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX6 ( 6UL << 1UL ) +#define portMPU_RLAR_ATTR_INDEX7 ( 7UL << 1UL ) + +#define portMPU_RLAR_REGION_ENABLE ( 1UL ) + +/* Enable privileged access to unmapped region. */ +#define portMPU_PRIV_BACKGROUND_ENABLE ( 1UL << 2UL ) + +/* Enable MPU. */ +#define portMPU_ENABLE ( 1UL << 0UL ) + +/* Expected value of the portMPU_TYPE register. */ +#define portEXPECTED_MPU_TYPE_VALUE ( 8UL << 8UL ) /* 8 regions, unified. */ +/*-----------------------------------------------------------*/ + +/** + * @brief Constants required to set up the initial stack. + */ +#define portINITIAL_XPSR ( 0x01000000 ) + +/** + * @brief Initial EXC_RETURN value. + * + * FF FF FF BC + * 1111 1111 1111 1111 1111 1111 1011 1100 + * + * Bit[6] - 0 --> The exception was taken from the Non-Secure state. + * Bit[5] - 1 --> Do not skip stacking of additional state context. + * Bit[4] - 1 --> The PE did not allocate space on the stack for FP context. + * Bit[3] - 1 --> Return to the Thread mode. + * Bit[2] - 1 --> Restore registers from the process stack. + * Bit[1] - 0 --> Reserved, 0. + * Bit[0] - 0 --> The exception was taken to the Non-Secure state. + */ +#define portINITIAL_EXC_RETURN ( 0xffffffbc ) + +/** + * @brief CONTROL register privileged bit mask. + * + * Bit[0] in CONTROL register tells the privilege: + * Bit[0] = 0 ==> The task is privileged. + * Bit[0] = 1 ==> The task is not privileged. + */ +#define portCONTROL_PRIVILEGED_MASK ( 1UL << 0UL ) + +/** + * @brief Initial CONTROL register values. + */ +#define portINITIAL_CONTROL_UNPRIVILEGED ( 0x3 ) +#define portINITIAL_CONTROL_PRIVILEGED ( 0x2 ) + +/** + * @brief Let the user override the pre-loading of the initial LR with the + * address of prvTaskExitError() in case it messes up unwinding of the stack + * in the debugger. + */ +#ifdef configTASK_RETURN_ADDRESS + #define portTASK_RETURN_ADDRESS configTASK_RETURN_ADDRESS +#else + #define portTASK_RETURN_ADDRESS prvTaskExitError +#endif + +/** + * @brief If portPRELOAD_REGISTERS then registers will be given an initial value + * when a task is created. This helps in debugging at the cost of code size. + */ +#define portPRELOAD_REGISTERS 1 + +/** + * @brief A task is created without a secure context, and must call + * portALLOCATE_SECURE_CONTEXT() to give itself a secure context before it makes + * any secure calls. + */ +#define portNO_SECURE_CONTEXT 0 +/*-----------------------------------------------------------*/ + +/** + * @brief Setup the timer to generate the tick interrupts. + */ +static void prvSetupTimerInterrupt( void ) PRIVILEGED_FUNCTION; + +/** + * @brief Used to catch tasks that attempt to return from their implementing + * function. + */ +static void prvTaskExitError( void ); + +#if( configENABLE_MPU == 1 ) + /** + * @brief Setup the Memory Protection Unit (MPU). + */ + static void prvSetupMPU( void ) PRIVILEGED_FUNCTION; +#endif /* configENABLE_MPU */ + +#if( configENABLE_FPU == 1 ) + /** + * @brief Setup the Floating Point Unit (FPU). + */ + static void prvSetupFPU( void ) PRIVILEGED_FUNCTION; +#endif /* configENABLE_FPU */ + +/** + * @brief Yield the processor. + */ +void vPortYield( void ) PRIVILEGED_FUNCTION; + +/** + * @brief Enter critical section. + */ +void vPortEnterCritical( void ) PRIVILEGED_FUNCTION; + +/** + * @brief Exit from critical section. + */ +void vPortExitCritical( void ) PRIVILEGED_FUNCTION; + +/** + * @brief SysTick handler. + */ +void SysTick_Handler( void ) PRIVILEGED_FUNCTION; + +/** + * @brief C part of SVC handler. + */ +void vPortSVCHandler_C( uint32_t *pulCallerStackAddress ) PRIVILEGED_FUNCTION; +/*-----------------------------------------------------------*/ + +/** + * @brief Each task maintains its own interrupt status in the critical nesting + * variable. + */ +static volatile uint32_t ulCriticalNesting = 0xaaaaaaaaUL; + +#if( configENABLE_TRUSTZONE == 1 ) + /** + * @brief Saved as part of the task context to indicate which context the + * task is using on the secure side. + */ + volatile SecureContextHandle_t xSecureContext = portNO_SECURE_CONTEXT; +#endif /* configENABLE_TRUSTZONE */ +/*-----------------------------------------------------------*/ + +static void prvSetupTimerInterrupt( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Stop and reset the SysTick. */ + *( portNVIC_SYSTICK_CTRL ) = 0UL; + *( portNVIC_SYSTICK_CURRENT_VALUE ) = 0UL; + + /* Configure SysTick to interrupt at the requested rate. */ + *( portNVIC_SYSTICK_LOAD ) = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL; + *( portNVIC_SYSTICK_CTRL ) = portNVIC_SYSTICK_CLK | portNVIC_SYSTICK_INT | portNVIC_SYSTICK_ENABLE; +} +/*-----------------------------------------------------------*/ + +static void prvTaskExitError( void ) +{ +volatile uint32_t ulDummy = 0UL; + + /* A function that implements a task must not exit or attempt to return to + * its caller as there is nothing to return to. If a task wants to exit it + * should instead call vTaskDelete( NULL ). Artificially force an assert() + * to be triggered if configASSERT() is defined, then stop here so + * application writers can catch the error. */ + configASSERT( ulCriticalNesting == ~0UL ); + portDISABLE_INTERRUPTS(); + + while( ulDummy == 0 ) + { + /* This file calls prvTaskExitError() after the scheduler has been + * started to remove a compiler warning about the function being + * defined but never called. ulDummy is used purely to quieten other + * warnings about code appearing after this function is called - making + * ulDummy volatile makes the compiler think the function could return + * and therefore not output an 'unreachable code' warning for code that + * appears after it. */ + } +} +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + static void prvSetupMPU( void ) /* PRIVILEGED_FUNCTION */ + { + #if defined( __ARMCC_VERSION ) + /* Declaration when these variable are defined in code instead of being + * exported from linker scripts. */ + extern uint32_t * __privileged_functions_start__; + extern uint32_t * __privileged_functions_end__; + extern uint32_t * __syscalls_flash_start__; + extern uint32_t * __unprivileged_flash_end__; + extern uint32_t * __privileged_sram_start__; + extern uint32_t * __privileged_sram_end__; + #else + /* Declaration when these variable are exported from linker scripts. */ + extern uint32_t __privileged_functions_start__[]; + extern uint32_t __privileged_functions_end__[]; + extern uint32_t __syscalls_flash_start__[]; + extern uint32_t __unprivileged_flash_end__[]; + extern uint32_t __privileged_sram_start__[]; + extern uint32_t __privileged_sram_end__[]; + #endif /* defined( __ARMCC_VERSION ) */ + + /* Check that the MPU is present. */ + if( portMPU_TYPE_REG == portEXPECTED_MPU_TYPE_VALUE ) + { + /* MAIR0 - Index 0. */ + portMPU_MAIR0_REG |= ( ( portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE << portMPU_MAIR_ATTR0_POS ) & portMPU_MAIR_ATTR0_MASK ); + /* MAIR0 - Index 1. */ + portMPU_MAIR0_REG |= ( ( portMPU_DEVICE_MEMORY_nGnRE << portMPU_MAIR_ATTR1_POS ) & portMPU_MAIR_ATTR1_MASK ); + + /* Setup privileged flash as Read Only so that privileged tasks can + * read it but not modify. */ + portMPU_RNR_REG = portPRIVILEGED_FLASH_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) __privileged_functions_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_PRIVILEGED_READ_ONLY ); + portMPU_RLAR_REG = ( ( ( uint32_t ) __privileged_functions_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Setup unprivileged flash and system calls flash as Read Only by + * both privileged and unprivileged tasks. All tasks can read it but + * no-one can modify. */ + portMPU_RNR_REG = portUNPRIVILEGED_FLASH_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) __syscalls_flash_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_READ_ONLY ); + portMPU_RLAR_REG = ( ( ( uint32_t ) __unprivileged_flash_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Setup RAM containing kernel data for privileged access only. */ + portMPU_RNR_REG = portPRIVILEGED_RAM_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) __privileged_sram_start__ ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_PRIVILEGED_READ_WRITE ) | + ( portMPU_REGION_EXECUTE_NEVER ); + portMPU_RLAR_REG = ( ( ( uint32_t ) __privileged_sram_end__ ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* By default allow everything to access the general peripherals. + * The system peripherals and registers are protected. */ + portMPU_RNR_REG = portUNPRIVILEGED_DEVICE_REGION; + portMPU_RBAR_REG = ( ( ( uint32_t ) portDEVICE_REGION_START_ADDRESS ) & portMPU_RBAR_ADDRESS_MASK ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_READ_WRITE ) | + ( portMPU_REGION_EXECUTE_NEVER ); + portMPU_RLAR_REG = ( ( ( uint32_t ) portDEVICE_REGION_END_ADDRESS ) & portMPU_RLAR_ADDRESS_MASK ) | + ( portMPU_RLAR_ATTR_INDEX1 ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Enable mem fault. */ + portSCB_SYS_HANDLER_CTRL_STATE_REG |= portSCB_MEM_FAULT_ENABLE; + + /* Enable MPU with privileged background access i.e. unmapped + * regions have privileged access. */ + portMPU_CTRL_REG |= ( portMPU_PRIV_BACKGROUND_ENABLE | portMPU_ENABLE ); + } + } +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +#if( configENABLE_FPU == 1 ) + static void prvSetupFPU( void ) /* PRIVILEGED_FUNCTION */ + { + #if( configENABLE_TRUSTZONE == 1 ) + { + /* Enable non-secure access to the FPU. */ + SecureInit_EnableNSFPUAccess(); + } + #endif /* configENABLE_TRUSTZONE */ + + /* CP10 = 11 ==> Full access to FPU i.e. both privileged and + * unprivileged code should be able to access FPU. CP11 should be + * programmed to the same value as CP10. */ + *( portCPACR ) |= ( ( portCPACR_CP10_VALUE << portCPACR_CP10_POS ) | + ( portCPACR_CP11_VALUE << portCPACR_CP11_POS ) + ); + + /* ASPEN = 1 ==> Hardware should automatically preserve floating point + * context on exception entry and restore on exception return. + * LSPEN = 1 ==> Enable lazy context save of FP state. */ + *( portFPCCR ) |= ( portFPCCR_ASPEN_MASK | portFPCCR_LSPEN_MASK ); + } +#endif /* configENABLE_FPU */ +/*-----------------------------------------------------------*/ + +void vPortYield( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Set a PendSV to request a context switch. */ + *( portNVIC_INT_CTRL ) = portNVIC_PENDSVSET; + + /* Barriers are normally not required but do ensure the code is + * completely within the specified behaviour for the architecture. */ + __asm volatile( "dsb" ::: "memory" ); + __asm volatile( "isb" ); +} +/*-----------------------------------------------------------*/ + +void vPortEnterCritical( void ) /* PRIVILEGED_FUNCTION */ +{ + portDISABLE_INTERRUPTS(); + ulCriticalNesting++; + + /* Barriers are normally not required but do ensure the code is + * completely within the specified behaviour for the architecture. */ + __asm volatile( "dsb" ::: "memory" ); + __asm volatile( "isb" ); +} +/*-----------------------------------------------------------*/ + +void vPortExitCritical( void ) /* PRIVILEGED_FUNCTION */ +{ + configASSERT( ulCriticalNesting ); + ulCriticalNesting--; + + if( ulCriticalNesting == 0 ) + { + portENABLE_INTERRUPTS(); + } +} +/*-----------------------------------------------------------*/ + +void SysTick_Handler( void ) /* PRIVILEGED_FUNCTION */ +{ +uint32_t ulPreviousMask; + + ulPreviousMask = portSET_INTERRUPT_MASK_FROM_ISR(); + { + /* Increment the RTOS tick. */ + if( xTaskIncrementTick() != pdFALSE ) + { + /* Pend a context switch. */ + *( portNVIC_INT_CTRL ) = portNVIC_PENDSVSET; + } + } + portCLEAR_INTERRUPT_MASK_FROM_ISR( ulPreviousMask ); +} +/*-----------------------------------------------------------*/ + +void vPortSVCHandler_C( uint32_t *pulCallerStackAddress ) /* PRIVILEGED_FUNCTION */ +{ +#if( configENABLE_MPU == 1 ) + #if defined( __ARMCC_VERSION ) + /* Declaration when these variable are defined in code instead of being + * exported from linker scripts. */ + extern uint32_t * __syscalls_flash_start__; + extern uint32_t * __syscalls_flash_end__; + #else + /* Declaration when these variable are exported from linker scripts. */ + extern uint32_t __syscalls_flash_start__[]; + extern uint32_t __syscalls_flash_end__[]; + #endif /* defined( __ARMCC_VERSION ) */ +#endif /* configENABLE_MPU */ + +uint32_t ulPC; + +#if( configENABLE_TRUSTZONE == 1 ) + uint32_t ulR0; + #if( configENABLE_MPU == 1 ) + uint32_t ulControl, ulIsTaskPrivileged; + #endif /* configENABLE_MPU */ +#endif /* configENABLE_TRUSTZONE */ +uint8_t ucSVCNumber; + + /* Register are stored on the stack in the following order - R0, R1, R2, R3, + * R12, LR, PC, xPSR. */ + ulPC = pulCallerStackAddress[ 6 ]; + ucSVCNumber = ( ( uint8_t *) ulPC )[ -2 ]; + + switch( ucSVCNumber ) + { + #if( configENABLE_TRUSTZONE == 1 ) + case portSVC_ALLOCATE_SECURE_CONTEXT: + { + /* R0 contains the stack size passed as parameter to the + * vPortAllocateSecureContext function. */ + ulR0 = pulCallerStackAddress[ 0 ]; + + #if( configENABLE_MPU == 1 ) + { + /* Read the CONTROL register value. */ + __asm volatile ( "mrs %0, control" : "=r" ( ulControl ) ); + + /* The task that raised the SVC is privileged if Bit[0] + * in the CONTROL register is 0. */ + ulIsTaskPrivileged = ( ( ulControl & portCONTROL_PRIVILEGED_MASK ) == 0 ); + + /* Allocate and load a context for the secure task. */ + xSecureContext = SecureContext_AllocateContext( ulR0, ulIsTaskPrivileged ); + } + #else + { + /* Allocate and load a context for the secure task. */ + xSecureContext = SecureContext_AllocateContext( ulR0 ); + } + #endif /* configENABLE_MPU */ + + configASSERT( xSecureContext != NULL ); + SecureContext_LoadContext( xSecureContext ); + } + break; + + case portSVC_FREE_SECURE_CONTEXT: + { + /* R0 contains the secure context handle to be freed. */ + ulR0 = pulCallerStackAddress[ 0 ]; + + /* Free the secure context. */ + SecureContext_FreeContext( ( SecureContextHandle_t ) ulR0 ); + } + break; + #endif /* configENABLE_TRUSTZONE */ + + case portSVC_START_SCHEDULER: + { + #if( configENABLE_TRUSTZONE == 1 ) + { + /* De-prioritize the non-secure exceptions so that the + * non-secure pendSV runs at the lowest priority. */ + SecureInit_DePrioritizeNSExceptions(); + + /* Initialize the secure context management system. */ + SecureContext_Init(); + } + #endif /* configENABLE_TRUSTZONE */ + + #if( configENABLE_FPU == 1 ) + { + /* Setup the Floating Point Unit (FPU). */ + prvSetupFPU(); + } + #endif /* configENABLE_FPU */ + + /* Setup the context of the first task so that the first task starts + * executing. */ + vRestoreContextOfFirstTask(); + } + break; + + #if( configENABLE_MPU == 1 ) + case portSVC_RAISE_PRIVILEGE: + { + /* Only raise the privilege, if the svc was raised from any of + * the system calls. */ + if( ulPC >= ( uint32_t ) __syscalls_flash_start__ && + ulPC <= ( uint32_t ) __syscalls_flash_end__ ) + { + vRaisePrivilege(); + } + } + break; + #endif /* configENABLE_MPU */ + + default: + { + /* Incorrect SVC call. */ + configASSERT( pdFALSE ); + } + } +} +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, StackType_t *pxEndOfStack, TaskFunction_t pxCode, void *pvParameters, BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */ +#else + StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, StackType_t *pxEndOfStack, TaskFunction_t pxCode, void *pvParameters ) /* PRIVILEGED_FUNCTION */ +#endif /* configENABLE_MPU */ +{ + /* Simulate the stack frame as it would be created by a context switch + * interrupt. */ + #if( portPRELOAD_REGISTERS == 0 ) + { + pxTopOfStack--; /* Offset added to account for the way the MCU uses the stack on entry/exit of interrupts. */ + *pxTopOfStack = portINITIAL_XPSR; /* xPSR */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxCode; /* PC */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* LR */ + pxTopOfStack -= 5; /* R12, R3, R2 and R1. */ + *pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */ + pxTopOfStack -= 9; /* R11..R4, EXC_RETURN. */ + *pxTopOfStack = portINITIAL_EXC_RETURN; + + #if( configENABLE_MPU == 1 ) + { + pxTopOfStack--; + if( xRunPrivileged == pdTRUE ) + { + *pxTopOfStack = portINITIAL_CONTROL_PRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + else + { + *pxTopOfStack = portINITIAL_CONTROL_UNPRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + } + #endif /* configENABLE_MPU */ + + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxEndOfStack; /* Slot used to hold this task's PSPLIM value. */ + + #if( configENABLE_TRUSTZONE == 1 ) + { + pxTopOfStack--; + *pxTopOfStack = portNO_SECURE_CONTEXT; /* Slot used to hold this task's xSecureContext value. */ + } + #endif /* configENABLE_TRUSTZONE */ + } + #else /* portPRELOAD_REGISTERS */ + { + pxTopOfStack--; /* Offset added to account for the way the MCU uses the stack on entry/exit of interrupts. */ + *pxTopOfStack = portINITIAL_XPSR; /* xPSR */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxCode; /* PC */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* LR */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x12121212UL; /* R12 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x03030303UL; /* R3 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x02020202UL; /* R2 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x01010101UL; /* R1 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x11111111UL; /* R11 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x10101010UL; /* R10 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x09090909UL; /* R09 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x08080808UL; /* R08 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x07070707UL; /* R07 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x06060606UL; /* R06 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x05050505UL; /* R05 */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) 0x04040404UL; /* R04 */ + pxTopOfStack--; + *pxTopOfStack = portINITIAL_EXC_RETURN; /* EXC_RETURN */ + + #if( configENABLE_MPU == 1 ) + { + pxTopOfStack--; + if( xRunPrivileged == pdTRUE ) + { + *pxTopOfStack = portINITIAL_CONTROL_PRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + else + { + *pxTopOfStack = portINITIAL_CONTROL_UNPRIVILEGED; /* Slot used to hold this task's CONTROL value. */ + } + } + #endif /* configENABLE_MPU */ + + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxEndOfStack; /* Slot used to hold this task's PSPLIM value. */ + + #if( configENABLE_TRUSTZONE == 1 ) + { + pxTopOfStack--; + *pxTopOfStack = portNO_SECURE_CONTEXT; /* Slot used to hold this task's xSecureContext value. */ + } + #endif /* configENABLE_TRUSTZONE */ + } + #endif /* portPRELOAD_REGISTERS */ + + return pxTopOfStack; +} +/*-----------------------------------------------------------*/ + +BaseType_t xPortStartScheduler( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Make PendSV, CallSV and SysTick the same priority as the kernel. */ + *( portNVIC_SYSPRI2 ) |= portNVIC_PENDSV_PRI; + *( portNVIC_SYSPRI2 ) |= portNVIC_SYSTICK_PRI; + + #if( configENABLE_MPU == 1 ) + { + /* Setup the Memory Protection Unit (MPU). */ + prvSetupMPU(); + } + #endif /* configENABLE_MPU */ + + /* Start the timer that generates the tick ISR. Interrupts are disabled + * here already. */ + prvSetupTimerInterrupt(); + + /* Initialize the critical nesting count ready for the first task. */ + ulCriticalNesting = 0; + + /* Start the first task. */ + vStartFirstTask(); + + /* Should never get here as the tasks will now be executing. Call the task + * exit error function to prevent compiler warnings about a static function + * not being called in the case that the application writer overrides this + * functionality by defining configTASK_RETURN_ADDRESS. Call + * vTaskSwitchContext() so link time optimization does not remove the + * symbol. */ + vTaskSwitchContext(); + prvTaskExitError(); + + /* Should not get here. */ + return 0; +} +/*-----------------------------------------------------------*/ + +void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */ +{ + /* Not implemented in ports where there is nothing to return to. + * Artificially force an assert. */ + configASSERT( ulCriticalNesting == 1000UL ); +} +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + void vPortStoreTaskMPUSettings( xMPU_SETTINGS *xMPUSettings, const struct xMEMORY_REGION * const xRegions, StackType_t *pxBottomOfStack, uint32_t ulStackDepth ) + { + uint32_t ulRegionStartAddress, ulRegionEndAddress, ulRegionNumber; + int32_t lIndex = 0; + + /* Setup MAIR0. */ + xMPUSettings->ulMAIR0 = ( ( portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE << portMPU_MAIR_ATTR0_POS ) & portMPU_MAIR_ATTR0_MASK ); + xMPUSettings->ulMAIR0 |= ( ( portMPU_DEVICE_MEMORY_nGnRE << portMPU_MAIR_ATTR1_POS ) & portMPU_MAIR_ATTR1_MASK ); + + /* This function is called automatically when the task is created - in + * which case the stack region parameters will be valid. At all other + * times the stack parameters will not be valid and it is assumed that + * the stack region has already been configured. */ + if( ulStackDepth > 0 ) + { + /* Define the region that allows access to the stack. */ + ulRegionStartAddress = ( ( uint32_t ) pxBottomOfStack ) & portMPU_RBAR_ADDRESS_MASK; + ulRegionEndAddress = ( uint32_t ) pxBottomOfStack + ( ulStackDepth * ( uint32_t ) sizeof( StackType_t ) ) - 1; + ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK; + + xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = ( ulRegionStartAddress ) | + ( portMPU_REGION_NON_SHAREABLE ) | + ( portMPU_REGION_READ_WRITE ) | + ( portMPU_REGION_EXECUTE_NEVER ); + + xMPUSettings->xRegionsSettings[ 0 ].ulRLAR = ( ulRegionEndAddress ) | + ( portMPU_RLAR_ATTR_INDEX0 ) | + ( portMPU_RLAR_REGION_ENABLE ); + } + + /* User supplied configurable regions. */ + for( ulRegionNumber = 1; ulRegionNumber <= portNUM_CONFIGURABLE_REGIONS; ulRegionNumber++ ) + { + /* If xRegions is NULL i.e. the task has not specified any MPU + * region, the else part ensures that all the configurable MPU + * regions are invalidated. */ + if( ( xRegions != NULL ) && ( xRegions[ lIndex ].ulLengthInBytes > 0UL ) ) + { + /* Translate the generic region definition contained in xRegions + * into the ARMv8 specific MPU settings that are then stored in + * xMPUSettings. */ + ulRegionStartAddress = ( ( uint32_t ) xRegions[ lIndex ].pvBaseAddress ) & portMPU_RBAR_ADDRESS_MASK; + ulRegionEndAddress = ( uint32_t ) xRegions[ lIndex ].pvBaseAddress + xRegions[ lIndex ].ulLengthInBytes - 1; + ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK; + + /* Start address. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR = ( ulRegionStartAddress ) | + ( portMPU_REGION_NON_SHAREABLE ); + + /* RO/RW. */ + if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_READ_ONLY ) != 0 ) + { + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR |= ( portMPU_REGION_READ_ONLY ); + } + else + { + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR |= ( portMPU_REGION_READ_WRITE ); + } + + /* XN. */ + if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_EXECUTE_NEVER ) != 0 ) + { + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR |= ( portMPU_REGION_EXECUTE_NEVER ); + } + + /* End Address. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = ( ulRegionEndAddress ) | + ( portMPU_RLAR_REGION_ENABLE ); + + /* Normal memory/ Device memory. */ + if( ( xRegions[ lIndex ].ulParameters & tskMPU_REGION_DEVICE_MEMORY ) != 0 ) + { + /* Attr1 in MAIR0 is configured as device memory. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= portMPU_RLAR_ATTR_INDEX1; + } + else + { + /* Attr1 in MAIR0 is configured as normal memory. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR |= portMPU_RLAR_ATTR_INDEX0; + } + } + else + { + /* Invalidate the region. */ + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRBAR = 0UL; + xMPUSettings->xRegionsSettings[ ulRegionNumber ].ulRLAR = 0UL; + } + + lIndex++; + } + } +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM33_NTZ/non_secure/portasm.h b/FreeRTOS/Source/portable/IAR/ARM_CM33_NTZ/non_secure/portasm.h new file mode 100644 index 000000000..63ebf136e --- /dev/null +++ b/FreeRTOS/Source/portable/IAR/ARM_CM33_NTZ/non_secure/portasm.h @@ -0,0 +1,113 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef __PORT_ASM_H__ +#define __PORT_ASM_H__ + +/* Scheduler includes. */ +#include "FreeRTOS.h" + +/* MPU wrappers includes. */ +#include "mpu_wrappers.h" + +/** + * @brief Restore the context of the first task so that the first task starts + * executing. + */ +void vRestoreContextOfFirstTask( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Checks whether or not the processor is privileged. + * + * @return 1 if the processor is already privileged, 0 otherwise. + */ +BaseType_t xIsPrivileged( void ) __attribute__ (( naked )); + +/** + * @brief Raises the privilege level by clearing the bit 0 of the CONTROL + * register. + * + * @note This is a privileged function and should only be called from the kenrel + * code. + * + * Bit 0 of the CONTROL register defines the privilege level of Thread Mode. + * Bit[0] = 0 --> The processor is running privileged + * Bit[0] = 1 --> The processor is running unprivileged. + */ +void vRaisePrivilege( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Lowers the privilege level by setting the bit 0 of the CONTROL + * register. + * + * Bit 0 of the CONTROL register defines the privilege level of Thread Mode. + * Bit[0] = 0 --> The processor is running privileged + * Bit[0] = 1 --> The processor is running unprivileged. + */ +void vResetPrivilege( void ) __attribute__ (( naked )); + +/** + * @brief Starts the first task. + */ +void vStartFirstTask( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Disables interrupts. + */ +uint32_t ulSetInterruptMaskFromISR( void ) __attribute__(( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Enables interrupts. + */ +void vClearInterruptMaskFromISR( uint32_t ulMask ) __attribute__(( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief PendSV Exception handler. + */ +void PendSV_Handler( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief SVC Handler. + */ +void SVC_Handler( void ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +/** + * @brief Allocate a Secure context for the calling task. + * + * @param[in] ulSecureStackSize The size of the stack to be allocated on the + * secure side for the calling task. + */ +void vPortAllocateSecureContext( uint32_t ulSecureStackSize ) __attribute__ (( naked )); + +/** + * @brief Free the task's secure context. + * + * @param[in] pulTCB Pointer to the Task Control Block (TCB) of the task. + */ +void vPortFreeSecureContext( uint32_t *pulTCB ) __attribute__ (( naked )) PRIVILEGED_FUNCTION; + +#endif /* __PORT_ASM_H__ */ diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM33_NTZ/non_secure/portasm.s b/FreeRTOS/Source/portable/IAR/ARM_CM33_NTZ/non_secure/portasm.s new file mode 100644 index 000000000..090e1660c --- /dev/null +++ b/FreeRTOS/Source/portable/IAR/ARM_CM33_NTZ/non_secure/portasm.s @@ -0,0 +1,218 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + + EXTERN pxCurrentTCB + EXTERN vTaskSwitchContext + EXTERN vPortSVCHandler_C + + PUBLIC xIsPrivileged + PUBLIC vResetPrivilege + PUBLIC vRestoreContextOfFirstTask + PUBLIC vRaisePrivilege + PUBLIC vStartFirstTask + PUBLIC ulSetInterruptMaskFromISR + PUBLIC vClearInterruptMaskFromISR + PUBLIC PendSV_Handler + PUBLIC SVC_Handler +/*-----------------------------------------------------------*/ + +/*---------------- Unprivileged Functions -------------------*/ + +/*-----------------------------------------------------------*/ + + SECTION .text:CODE:NOROOT(2) + THUMB +/*-----------------------------------------------------------*/ + +xIsPrivileged: + mrs r0, control /* r0 = CONTROL. */ + tst r0, #1 /* Perform r0 & 1 (bitwise AND) and update the conditions flag. */ + ite ne + movne r0, #0 /* CONTROL[0]!=0. Return false to indicate that the processor is not privileged. */ + moveq r0, #1 /* CONTROL[0]==0. Return true to indicate that the processor is not privileged. */ + bx lr /* Return. */ +/*-----------------------------------------------------------*/ + +vResetPrivilege: + mrs r0, control /* r0 = CONTROL. */ + orr r0, r0, #1 /* r0 = r0 | 1. */ + msr control, r0 /* CONTROL = r0. */ + bx lr /* Return to the caller. */ +/*-----------------------------------------------------------*/ + +/*----------------- Privileged Functions --------------------*/ + +/*-----------------------------------------------------------*/ + + SECTION privileged_functions:CODE:NOROOT(2) + THUMB +/*-----------------------------------------------------------*/ + +vRestoreContextOfFirstTask: + ldr r2, =pxCurrentTCB /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + ldr r1, [r2] /* Read pxCurrentTCB. */ + ldr r0, [r1] /* Read top of stack from TCB - The first item in pxCurrentTCB is the task top of stack. */ + +#if ( configENABLE_MPU == 1 ) + adds r1, #4 /* r1 = r1 + 4. r1 now points to MAIR0 in TCB. */ + ldr r3, [r1] /* r3 = *r1 i.e. r3 = MAIR0. */ + ldr r2, =0xe000edc0 /* r2 = 0xe000edc0 [Location of MAIR0]. */ + str r3, [r2] /* Program MAIR0. */ + ldr r2, =0xe000ed98 /* r2 = 0xe000ed98 [Location of RNR]. */ + movs r3, #4 /* r3 = 4. */ + str r3, [r2] /* Program RNR = 4. */ + adds r1, #4 /* r1 = r1 + 4. r1 now points to first RBAR in TCB. */ + ldr r2, =0xe000ed9c /* r2 = 0xe000ed9c [Location of RBAR]. */ + ldmia r1!, {r4-r11} /* Read 4 sets of RBAR/RLAR registers from TCB. */ + stmia r2!, {r4-r11} /* Write 4 set of RBAR/RLAR registers using alias registers. */ +#endif /* configENABLE_MPU */ + +#if ( configENABLE_MPU == 1 ) + ldm r0!, {r1-r3} /* Read from stack - r1 = PSPLIM, r2 = CONTROL and r3 = EXC_RETURN. */ + msr psplim, r1 /* Set this task's PSPLIM value. */ + msr control, r2 /* Set this task's CONTROL value. */ + adds r0, #32 /* Discard everything up to r0. */ + msr psp, r0 /* This is now the new top of stack to use in the task. */ + isb + bx r3 /* Finally, branch to EXC_RETURN. */ +#else /* configENABLE_MPU */ + ldm r0!, {r1-r2} /* Read from stack - r1 = PSPLIM and r2 = EXC_RETURN. */ + msr psplim, r1 /* Set this task's PSPLIM value. */ + movs r1, #2 /* r1 = 2. */ + msr CONTROL, r1 /* Switch to use PSP in the thread mode. */ + adds r0, #32 /* Discard everything up to r0. */ + msr psp, r0 /* This is now the new top of stack to use in the task. */ + isb + bx r2 /* Finally, branch to EXC_RETURN. */ +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +vRaisePrivilege: + mrs r0, control /* Read the CONTROL register. */ + bic r0, r0, #1 /* Clear the bit 0. */ + msr control, r0 /* Write back the new CONTROL value. */ + bx lr /* Return to the caller. */ +/*-----------------------------------------------------------*/ + +vStartFirstTask: + ldr r0, =0xe000ed08 /* Use the NVIC offset register to locate the stack. */ + ldr r0, [r0] /* Read the VTOR register which gives the address of vector table. */ + ldr r0, [r0] /* The first entry in vector table is stack pointer. */ + msr msp, r0 /* Set the MSP back to the start of the stack. */ + cpsie i /* Globally enable interrupts. */ + cpsie f + dsb + isb + svc 2 /* System call to start the first task. portSVC_START_SCHEDULER = 2. */ +/*-----------------------------------------------------------*/ + +ulSetInterruptMaskFromISR: + mrs r0, PRIMASK + cpsid i + bx lr +/*-----------------------------------------------------------*/ + +vClearInterruptMaskFromISR: + msr PRIMASK, r0 + bx lr +/*-----------------------------------------------------------*/ + +PendSV_Handler: + mrs r0, psp /* Read PSP in r0. */ +#if ( configENABLE_FPU == 1 ) + tst lr, #0x10 /* Test Bit[4] in LR. Bit[4] of EXC_RETURN is 0 if the FPU is in use. */ + it eq + vstmdbeq r0!, {s16-s31} /* Store the FPU registers which are not saved automatically. */ +#endif /* configENABLE_FPU */ +#if ( configENABLE_MPU == 1 ) + mrs r1, psplim /* r1 = PSPLIM. */ + mrs r2, control /* r2 = CONTROL. */ + mov r3, lr /* r3 = LR/EXC_RETURN. */ + stmdb r0!, {r1-r11} /* Store on the stack - PSPLIM, CONTROL, LR and registers that are not automatically saved. */ +#else /* configENABLE_MPU */ + mrs r2, psplim /* r2 = PSPLIM. */ + mov r3, lr /* r3 = LR/EXC_RETURN. */ + stmdb r0!, {r2-r11} /* Store on the stack - PSPLIM, LR and registers that are not automatically. */ +#endif /* configENABLE_MPU */ + + ldr r2, =pxCurrentTCB /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + ldr r1, [r2] /* Read pxCurrentTCB. */ + str r0, [r1] /* Save the new top of stack in TCB. */ + + cpsid i + bl vTaskSwitchContext + cpsie i + + ldr r2, =pxCurrentTCB /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ + ldr r1, [r2] /* Read pxCurrentTCB. */ + ldr r0, [r1] /* The first item in pxCurrentTCB is the task top of stack. r0 now points to the top of stack. */ + +#if ( configENABLE_MPU == 1 ) + adds r1, #4 /* r1 = r1 + 4. r1 now points to MAIR0 in TCB. */ + ldr r3, [r1] /* r3 = *r1 i.e. r3 = MAIR0. */ + ldr r2, =0xe000edc0 /* r2 = 0xe000edc0 [Location of MAIR0]. */ + str r3, [r2] /* Program MAIR0. */ + ldr r2, =0xe000ed98 /* r2 = 0xe000ed98 [Location of RNR]. */ + movs r3, #4 /* r3 = 4. */ + str r3, [r2] /* Program RNR = 4. */ + adds r1, #4 /* r1 = r1 + 4. r1 now points to first RBAR in TCB. */ + ldr r2, =0xe000ed9c /* r2 = 0xe000ed9c [Location of RBAR]. */ + ldmia r1!, {r4-r11} /* Read 4 sets of RBAR/RLAR registers from TCB. */ + stmia r2!, {r4-r11} /* Write 4 set of RBAR/RLAR registers using alias registers. */ +#endif /* configENABLE_MPU */ + +#if ( configENABLE_MPU == 1 ) + ldmia r0!, {r1-r11} /* Read from stack - r1 = PSPLIM, r2 = CONTROL, r3 = LR and r4-r11 restored. */ +#else /* configENABLE_MPU */ + ldmia r0!, {r2-r11} /* Read from stack - r2 = PSPLIM, r3 = LR and r4-r11 restored. */ +#endif /* configENABLE_MPU */ + +#if ( configENABLE_FPU == 1 ) + tst r3, #0x10 /* Test Bit[4] in LR. Bit[4] of EXC_RETURN is 0 if the FPU is in use. */ + it eq + vldmiaeq r0!, {s16-s31} /* Restore the FPU registers which are not restored automatically. */ +#endif /* configENABLE_FPU */ + + #if ( configENABLE_MPU == 1 ) + msr psplim, r1 /* Restore the PSPLIM register value for the task. */ + msr control, r2 /* Restore the CONTROL register value for the task. */ +#else /* configENABLE_MPU */ + msr psplim, r2 /* Restore the PSPLIM register value for the task. */ +#endif /* configENABLE_MPU */ + msr psp, r0 /* Remember the new top of stack for the task. */ + bx r3 +/*-----------------------------------------------------------*/ + +SVC_Handler: + tst lr, #4 + ite eq + mrseq r0, msp + mrsne r0, psp + b vPortSVCHandler_C +/*-----------------------------------------------------------*/ + + END diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM33_NTZ/non_secure/portmacro.h b/FreeRTOS/Source/portable/IAR/ARM_CM33_NTZ/non_secure/portmacro.h new file mode 100644 index 000000000..09d072352 --- /dev/null +++ b/FreeRTOS/Source/portable/IAR/ARM_CM33_NTZ/non_secure/portmacro.h @@ -0,0 +1,281 @@ +/* + * FreeRTOS Kernel V10.2.0 + * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +#ifndef PORTMACRO_H +#define PORTMACRO_H + +#ifdef __cplusplus +extern "C" { +#endif + +/*------------------------------------------------------------------------------ + * Port specific definitions. + * + * The settings in this file configure FreeRTOS correctly for the given hardware + * and compiler. + * + * These settings should not be altered. + *------------------------------------------------------------------------------ + */ + +/** + * @brief Type definitions. + */ +#define portCHAR char +#define portFLOAT float +#define portDOUBLE double +#define portLONG long +#define portSHORT short +#define portSTACK_TYPE uint32_t +#define portBASE_TYPE long + +typedef portSTACK_TYPE StackType_t; +typedef long BaseType_t; +typedef unsigned long UBaseType_t; + +#if( configUSE_16_BIT_TICKS == 1 ) + typedef uint16_t TickType_t; + #define portMAX_DELAY ( TickType_t ) 0xffff +#else + typedef uint32_t TickType_t; + #define portMAX_DELAY ( TickType_t ) 0xffffffffUL + + /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do + * not need to be guarded with a critical section. */ + #define portTICK_TYPE_IS_ATOMIC 1 +#endif +/*-----------------------------------------------------------*/ + +/** + * Architecture specifics. + */ +#define portSTACK_GROWTH ( -1 ) +#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) +#define portBYTE_ALIGNMENT 8 +#define portNOP() +#define portINLINE __inline +#ifndef portFORCE_INLINE + #define portFORCE_INLINE inline __attribute__(( always_inline )) +#endif +#define portHAS_STACK_OVERFLOW_CHECKING 1 +/*-----------------------------------------------------------*/ + +/** + * @brief Extern declarations. + */ +extern void vPortYield( void ) /* PRIVILEGED_FUNCTION */; + +extern void vPortEnterCritical( void ) /* PRIVILEGED_FUNCTION */; +extern void vPortExitCritical( void ) /* PRIVILEGED_FUNCTION */; + +extern uint32_t ulSetInterruptMaskFromISR( void ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */; +extern void vClearInterruptMaskFromISR( uint32_t ulMask ) /* __attribute__(( naked )) PRIVILEGED_FUNCTION */; + +#if( configENABLE_TRUSTZONE == 1 ) + extern void vPortAllocateSecureContext( uint32_t ulSecureStackSize ); + extern void vPortFreeSecureContext( uint32_t *pulTCB ) /* PRIVILEGED_FUNCTION */; +#endif /* configENABLE_TRUSTZONE */ + +#if( configENABLE_MPU == 1 ) + extern BaseType_t xIsPrivileged( void ) /* __attribute__ (( naked )) */; + extern void vResetPrivilege( void ) /* __attribute__ (( naked )) */; +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +/** + * @brief MPU specific constants. + */ +#if( configENABLE_MPU == 1 ) + #define portUSING_MPU_WRAPPERS 1 + #define portPRIVILEGE_BIT ( 0x80000000UL ) +#else + #define portPRIVILEGE_BIT ( 0x0UL ) +#endif /* configENABLE_MPU */ + + +/* MPU regions. */ +#define portPRIVILEGED_FLASH_REGION ( 0UL ) +#define portUNPRIVILEGED_FLASH_REGION ( 1UL ) +#define portPRIVILEGED_RAM_REGION ( 2UL ) +#define portUNPRIVILEGED_DEVICE_REGION ( 3UL ) +#define portSTACK_REGION ( 4UL ) +#define portFIRST_CONFIGURABLE_REGION ( 5UL ) +#define portLAST_CONFIGURABLE_REGION ( 7UL ) +#define portNUM_CONFIGURABLE_REGIONS ( ( portLAST_CONFIGURABLE_REGION - portFIRST_CONFIGURABLE_REGION ) + 1 ) +#define portTOTAL_NUM_REGIONS ( portNUM_CONFIGURABLE_REGIONS + 1 ) /* Plus one to make space for the stack region. */ + +/* Devices Region. */ +#define portDEVICE_REGION_START_ADDRESS ( 0x50000000 ) +#define portDEVICE_REGION_END_ADDRESS ( 0x5FFFFFFF ) + +/* Device memory attributes used in MPU_MAIR registers. + * + * 8-bit values encoded as follows: + * Bit[7:4] - 0000 - Device Memory + * Bit[3:2] - 00 --> Device-nGnRnE + * 01 --> Device-nGnRE + * 10 --> Device-nGRE + * 11 --> Device-GRE + * Bit[1:0] - 00, Reserved. + */ +#define portMPU_DEVICE_MEMORY_nGnRnE ( 0x00 ) /* 0000 0000 */ +#define portMPU_DEVICE_MEMORY_nGnRE ( 0x04 ) /* 0000 0100 */ +#define portMPU_DEVICE_MEMORY_nGRE ( 0x08 ) /* 0000 1000 */ +#define portMPU_DEVICE_MEMORY_GRE ( 0x0C ) /* 0000 1100 */ + +/* Normal memory attributes used in MPU_MAIR registers. */ +#define portMPU_NORMAL_MEMORY_NON_CACHEABLE ( 0x44 ) /* Non-cacheable. */ +#define portMPU_NORMAL_MEMORY_BUFFERABLE_CACHEABLE ( 0xFF ) /* Non-Transient, Write-back, Read-Allocate and Write-Allocate. */ + +/* Attributes used in MPU_RBAR registers. */ +#define portMPU_REGION_NON_SHAREABLE ( 0UL << 3UL ) +#define portMPU_REGION_INNER_SHAREABLE ( 1UL << 3UL ) +#define portMPU_REGION_OUTER_SHAREABLE ( 2UL << 3UL ) + +#define portMPU_REGION_PRIVILEGED_READ_WRITE ( 0UL << 1UL ) +#define portMPU_REGION_READ_WRITE ( 1UL << 1UL ) +#define portMPU_REGION_PRIVILEGED_READ_ONLY ( 2UL << 1UL ) +#define portMPU_REGION_READ_ONLY ( 3UL << 1UL ) + +#define portMPU_REGION_EXECUTE_NEVER ( 1UL ) +/*-----------------------------------------------------------*/ + +/** + * @brief Settings to define an MPU region. + */ +typedef struct MPURegionSettings +{ + uint32_t ulRBAR; /**< RBAR for the region. */ + uint32_t ulRLAR; /**< RLAR for the region. */ +} MPURegionSettings_t; + +/** + * @brief MPU settings as stored in the TCB. + */ +typedef struct MPU_SETTINGS +{ + uint32_t ulMAIR0; /**< MAIR0 for the task containing attributes for all the 4 per task regions. */ + MPURegionSettings_t xRegionsSettings[ portTOTAL_NUM_REGIONS ]; /**< Settings for 4 per task regions. */ +} xMPU_SETTINGS; +/*-----------------------------------------------------------*/ + +/** + * @brief SVC numbers. + */ +#define portSVC_ALLOCATE_SECURE_CONTEXT 0 +#define portSVC_FREE_SECURE_CONTEXT 1 +#define portSVC_START_SCHEDULER 2 +#define portSVC_RAISE_PRIVILEGE 3 +/*-----------------------------------------------------------*/ + +/** + * @brief Scheduler utilities. + */ +#define portYIELD() vPortYield() +#define portNVIC_INT_CTRL_REG ( * ( ( volatile uint32_t * ) 0xe000ed04 ) ) +#define portNVIC_PENDSVSET_BIT ( 1UL << 28UL ) +#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT +#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x ) +/*-----------------------------------------------------------*/ + +/** + * @brief Critical section management. + */ +#define portSET_INTERRUPT_MASK_FROM_ISR() ulSetInterruptMaskFromISR() +#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vClearInterruptMaskFromISR( x ) +#define portDISABLE_INTERRUPTS() __asm volatile ( " cpsid i " ::: "memory" ) +#define portENABLE_INTERRUPTS() __asm volatile ( " cpsie i " ::: "memory" ) +#define portENTER_CRITICAL() vPortEnterCritical() +#define portEXIT_CRITICAL() vPortExitCritical() +/*-----------------------------------------------------------*/ + +/** + * @brief Task function macros as described on the FreeRTOS.org WEB site. + */ +#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) +#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters ) +/*-----------------------------------------------------------*/ + +#if( configENABLE_TRUSTZONE == 1 ) + /** + * @brief Allocate a secure context for the task. + * + * Tasks are not created with a secure context. Any task that is going to call + * secure functions must call portALLOCATE_SECURE_CONTEXT() to allocate itself a + * secure context before it calls any secure function. + * + * @param[in] ulSecureStackSize The size of the secure stack to be allocated. + */ + #define portALLOCATE_SECURE_CONTEXT( ulSecureStackSize ) vPortAllocateSecureContext( ulSecureStackSize ) + + /** + * @brief Called when a task is deleted to delete the task's secure context, + * if it has one. + * + * @param[in] pxTCB The TCB of the task being deleted. + */ + #define portCLEAN_UP_TCB( pxTCB ) vPortFreeSecureContext( ( uint32_t * ) pxTCB ) +#else + #define portALLOCATE_SECURE_CONTEXT( ulSecureStackSize ) + #define portCLEAN_UP_TCB( pxTCB ) +#endif /* configENABLE_TRUSTZONE */ +/*-----------------------------------------------------------*/ + +#if( configENABLE_MPU == 1 ) + /** + * @brief Checks whether or not the processor is privileged. + * + * @return 1 if the processor is already privileged, 0 otherwise. + */ + #define portIS_PRIVILEGED() xIsPrivileged() + + /** + * @brief Raise an SVC request to raise privilege. + * + * The SVC handler checks that the SVC was raised from a system call and only + * then it raises the privilege. If this is called from any other place, + * the privilege is not raised. + */ + #define portRAISE_PRIVILEGE() __asm volatile ( "svc %0 \n" :: "i" ( portSVC_RAISE_PRIVILEGE ) : "memory" ); + + /** + * @brief Lowers the privilege level by setting the bit 0 of the CONTROL + * register. + */ + #define portRESET_PRIVILEGE() vResetPrivilege() +#else + #define portIS_PRIVILEGED() + #define portRAISE_PRIVILEGE() + #define portRESET_PRIVILEGE() +#endif /* configENABLE_MPU */ +/*-----------------------------------------------------------*/ + +#ifdef __cplusplus +} +#endif + +#endif /* PORTMACRO_H */ diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM4F_MPU/port.c b/FreeRTOS/Source/portable/IAR/ARM_CM4F_MPU/port.c index a347d1754..65973335a 100644 --- a/FreeRTOS/Source/portable/IAR/ARM_CM4F_MPU/port.c +++ b/FreeRTOS/Source/portable/IAR/ARM_CM4F_MPU/port.c @@ -153,13 +153,6 @@ static void prvSetupMPU( void ) PRIVILEGED_FUNCTION; */ static uint32_t prvGetMPURegionSizeSetting( uint32_t ulActualSizeInBytes ) PRIVILEGED_FUNCTION; -/* - * Checks to see if being called from the context of an unprivileged task, and - * if so raises the privilege level and returns false - otherwise does nothing - * other than return true. - */ -extern BaseType_t xPortRaisePrivilege( void ); - /* * Setup the timer to generate the tick interrupts. The implementation in this * file is weak to allow application writers to change the timer used to @@ -192,6 +185,18 @@ void vPortSVCHandler_C( uint32_t *pulParam ); */ extern void vPortRestoreContextOfFirstTask( void ) PRIVILEGED_FUNCTION; +/** + * @brief Calls the port specific code to raise the privilege. + * + * @return pdFALSE if privilege was raised, pdTRUE otherwise. + */ +extern BaseType_t xPortRaisePrivilege( void ); + +/** + * @brief If xRunningPrivileged is not pdTRUE, calls the port specific + * code to reset the privilege, otherwise does nothing. + */ +extern void vPortResetPrivilege( BaseType_t xRunningPrivileged ); /*-----------------------------------------------------------*/ /* Each task maintains its own interrupt status in the critical nesting @@ -564,18 +569,6 @@ uint32_t ulRegionSize, ulReturnValue = 4; } /*-----------------------------------------------------------*/ -void vPortResetPrivilege( BaseType_t xRunningPrivileged ) -{ - if( xRunningPrivileged != pdTRUE ) - { - __asm volatile ( " mrs r0, control \n" \ - " orr r0, r0, #1 \n" \ - " msr control, r0 \n" \ - :::"r0", "memory" ); - } -} -/*-----------------------------------------------------------*/ - void vPortStoreTaskMPUSettings( xMPU_SETTINGS *xMPUSettings, const struct xMEMORY_REGION * const xRegions, StackType_t *pxBottomOfStack, uint32_t ulStackDepth ) { extern uint32_t __SRAM_segment_start__[]; diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM4F_MPU/portasm.s b/FreeRTOS/Source/portable/IAR/ARM_CM4F_MPU/portasm.s index 54df95ea8..7dcc6e2c3 100644 --- a/FreeRTOS/Source/portable/IAR/ARM_CM4F_MPU/portasm.s +++ b/FreeRTOS/Source/portable/IAR/ARM_CM4F_MPU/portasm.s @@ -39,7 +39,8 @@ PUBLIC vPortStartFirstTask PUBLIC vPortEnableVFP PUBLIC vPortRestoreContextOfFirstTask - PUBLIC xPortRaisePrivilege + PUBLIC xIsPrivileged + PUBLIC vResetPrivilege /*-----------------------------------------------------------*/ @@ -114,7 +115,7 @@ vPortSVCHandler: /*-----------------------------------------------------------*/ -vPortStartFirstTask +vPortStartFirstTask: /* Use the NVIC offset register to locate the stack. */ ldr r0, =0xE000ED08 ldr r0, [r0] @@ -136,7 +137,7 @@ vPortStartFirstTask /*-----------------------------------------------------------*/ -vPortRestoreContextOfFirstTask +vPortRestoreContextOfFirstTask: /* Use the NVIC offset register to locate the stack. */ ldr r0, =0xE000ED08 ldr r0, [r0] @@ -167,7 +168,7 @@ vPortRestoreContextOfFirstTask /*-----------------------------------------------------------*/ -vPortEnableVFP +vPortEnableVFP: /* The FPU enable bits are in the CPACR. */ ldr.w r0, =0xE000ED88 ldr r1, [r0] @@ -179,19 +180,20 @@ vPortEnableVFP /*-----------------------------------------------------------*/ -xPortRaisePrivilege - mrs r0, control - /* Is the task running privileged? */ - tst r0, #1 - itte ne - /* CONTROL[0]!=0, return false. */ - movne r0, #0 - /* Switch to privileged. */ - svcne 2 /* 2 == portSVC_RAISE_PRIVILEGE */ - /* CONTROL[0]==0, return true. */ - moveq r0, #1 - bx lr +xIsPrivileged: + mrs r0, control /* r0 = CONTROL. */ + tst r0, #1 /* Perform r0 & 1 (bitwise AND) and update the conditions flag. */ + ite ne + movne r0, #0 /* CONTROL[0]!=0. Return false to indicate that the processor is not privileged. */ + moveq r0, #1 /* CONTROL[0]==0. Return true to indicate that the processor is privileged. */ + bx lr /* Return. */ +/*-----------------------------------------------------------*/ +vResetPrivilege: + mrs r0, control /* r0 = CONTROL. */ + orr r0, r0, #1 /* r0 = r0 | 1. */ + msr control, r0 /* CONTROL = r0. */ + bx lr /* Return to the caller. */ +/*-----------------------------------------------------------*/ END - diff --git a/FreeRTOS/Source/portable/IAR/ARM_CM4F_MPU/portmacro.h b/FreeRTOS/Source/portable/IAR/ARM_CM4F_MPU/portmacro.h index cba10b194..1a5bedff5 100644 --- a/FreeRTOS/Source/portable/IAR/ARM_CM4F_MPU/portmacro.h +++ b/FreeRTOS/Source/portable/IAR/ARM_CM4F_MPU/portmacro.h @@ -190,11 +190,28 @@ not necessary for to use this port. They are defined so the common demo files /* portNOP() is not required by this port. */ #define portNOP() +/*-----------------------------------------------------------*/ +extern BaseType_t xIsPrivileged( void ); +extern void vResetPrivilege( void ); -/* Set the privilege level to user mode if xRunningPrivileged is false. */ -void vPortResetPrivilege( BaseType_t xRunningPrivileged ); +/** + * @brief Checks whether or not the processor is privileged. + * + * @return 1 if the processor is already privileged, 0 otherwise. + */ +#define portIS_PRIVILEGED() xIsPrivileged() +/** + * @brief Raise an SVC request to raise privilege. +*/ +#define portRAISE_PRIVILEGE() __asm volatile ( "svc %0 \n" :: "i" ( portSVC_RAISE_PRIVILEGE ) : "memory" ); + +/** + * @brief Lowers the privilege level by setting the bit 0 of the CONTROL + * register. + */ +#define portRESET_PRIVILEGE() vResetPrivilege() /*-----------------------------------------------------------*/ /* Suppress warnings that are generated by the IAR tools, but cannot be fixed in diff --git a/FreeRTOS/Source/portable/RVDS/ARM_CM4_MPU/port.c b/FreeRTOS/Source/portable/RVDS/ARM_CM4_MPU/port.c index 2f411292a..7a4aa6dd3 100644 --- a/FreeRTOS/Source/portable/RVDS/ARM_CM4_MPU/port.c +++ b/FreeRTOS/Source/portable/RVDS/ARM_CM4_MPU/port.c @@ -129,13 +129,6 @@ static void prvStartFirstTask( void ) PRIVILEGED_FUNCTION; */ static uint32_t prvGetMPURegionSizeSetting( uint32_t ulActualSizeInBytes ) PRIVILEGED_FUNCTION; -/* - * Checks to see if being called from the context of an unprivileged task, and - * if so raises the privilege level and returns false - otherwise does nothing - * other than return true. - */ -BaseType_t xPortRaisePrivilege( void ); - /* * Standard FreeRTOS exception handlers. */ @@ -175,6 +168,35 @@ static uint32_t prvPortGetIPSR( void ); static const volatile uint8_t * const pcInterruptPriorityRegisters = ( const uint8_t * ) portNVIC_IP_REGISTERS_OFFSET_16; #endif /* configASSERT_DEFINED */ +/** + * @brief Checks whether or not the processor is privileged. + * + * @return 1 if the processor is already privileged, 0 otherwise. + */ +BaseType_t xIsPrivileged( void ); + +/** + * @brief Lowers the privilege level by setting the bit 0 of the CONTROL + * register. + * + * Bit 0 of the CONTROL register defines the privilege level of Thread Mode. + * Bit[0] = 0 --> The processor is running privileged + * Bit[0] = 1 --> The processor is running unprivileged. + */ +void vResetPrivilege( void ); + +/** + * @brief Calls the port specific code to raise the privilege. + * + * @return pdFALSE if privilege was raised, pdTRUE otherwise. + */ +extern BaseType_t xPortRaisePrivilege( void ); + +/** + * @brief If xRunningPrivileged is not pdTRUE, calls the port specific + * code to reset the privilege, otherwise does nothing. + */ +extern void vPortResetPrivilege( BaseType_t xRunningPrivileged ); /*-----------------------------------------------------------*/ /* @@ -651,15 +673,27 @@ uint32_t ulRegionSize, ulReturnValue = 4; } /*-----------------------------------------------------------*/ -__asm BaseType_t xPortRaisePrivilege( void ) +__asm BaseType_t xIsPrivileged( void ) { - mrs r0, control - tst r0, #1 /* Is the task running privileged? */ - itte ne - movne r0, #0 /* CONTROL[0]!=0, return false. */ - svcne portSVC_RAISE_PRIVILEGE /* Switch to privileged. */ - moveq r0, #1 /* CONTROL[0]==0, return true. */ - bx lr + PRESERVE8 + + mrs r0, control /* r0 = CONTROL. */ + tst r0, #1 /* Perform r0 & 1 (bitwise AND) and update the conditions flag. */ + ite ne + movne r0, #0 /* CONTROL[0]!=0. Return false to indicate that the processor is not privileged. */ + moveq r0, #1 /* CONTROL[0]==0. Return true to indicate that the processor is privileged. */ + bx lr /* Return. */ +} +/*-----------------------------------------------------------*/ + +__asm void vResetPrivilege( void ) +{ + PRESERVE8 + + mrs r0, control /* r0 = CONTROL. */ + orrs r0, #1 /* r0 = r0 | 1. */ + msr control, r0 /* CONTROL = r0. */ + bx lr /* Return. */ } /*-----------------------------------------------------------*/ diff --git a/FreeRTOS/Source/portable/RVDS/ARM_CM4_MPU/portmacro.h b/FreeRTOS/Source/portable/RVDS/ARM_CM4_MPU/portmacro.h index 5c5c05c22..60bb7b619 100644 --- a/FreeRTOS/Source/portable/RVDS/ARM_CM4_MPU/portmacro.h +++ b/FreeRTOS/Source/portable/RVDS/ARM_CM4_MPU/portmacro.h @@ -85,7 +85,7 @@ typedef unsigned long UBaseType_t; #define portPRIVILEGED_RAM_REGION ( 2UL ) #define portGENERAL_PERIPHERALS_REGION ( 3UL ) #define portSTACK_REGION ( 4UL ) -#define portFIRST_CONFIGURABLE_REGION ( 5UL ) +#define portFIRST_CONFIGURABLE_REGION ( 5UL ) #define portLAST_CONFIGURABLE_REGION ( 7UL ) #define portNUM_CONFIGURABLE_REGIONS ( ( portLAST_CONFIGURABLE_REGION - portFIRST_CONFIGURABLE_REGION ) + 1 ) #define portTOTAL_NUM_REGIONS ( portNUM_CONFIGURABLE_REGIONS + 1 ) /* Plus one to make space for the stack region. */ @@ -197,7 +197,28 @@ not necessary for to use this port. They are defined so the common demo files #ifndef portFORCE_INLINE #define portFORCE_INLINE __forceinline #endif +/*-----------------------------------------------------------*/ + +extern BaseType_t xIsPrivileged( void ); +extern void vResetPrivilege( void ); + +/** + * @brief Checks whether or not the processor is privileged. + * + * @return 1 if the processor is already privileged, 0 otherwise. + */ +#define portIS_PRIVILEGED() xIsPrivileged() +/** + * @brief Raise an SVC request to raise privilege. + */ +#define portRAISE_PRIVILEGE() __asm { svc portSVC_RAISE_PRIVILEGE } + +/** + * @brief Lowers the privilege level by setting the bit 0 of the CONTROL + * register. + */ +#define portRESET_PRIVILEGE() vResetPrivilege() /*-----------------------------------------------------------*/ static portFORCE_INLINE void vPortSetBASEPRI( uint32_t ulBASEPRI ) @@ -280,27 +301,8 @@ BaseType_t xReturn; } /*-----------------------------------------------------------*/ -/* Set the privilege level to user mode if xRunningPrivileged is false. */ -portFORCE_INLINE static void vPortResetPrivilege( BaseType_t xRunningPrivileged ) -{ -uint32_t ulReg; - - if( xRunningPrivileged != pdTRUE ) - { - __asm - { - mrs ulReg, control - orr ulReg, #1 - msr control, ulReg - } - } -} -/*-----------------------------------------------------------*/ - - #ifdef __cplusplus } #endif #endif /* PORTMACRO_H */ - diff --git a/FreeRTOS/Source/tasks.c b/FreeRTOS/Source/tasks.c index 2eeeb45a3..492bf874e 100644 --- a/FreeRTOS/Source/tasks.c +++ b/FreeRTOS/Source/tasks.c @@ -1010,11 +1010,49 @@ UBaseType_t x; the top of stack variable is updated. */ #if( portUSING_MPU_WRAPPERS == 1 ) { - pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxTaskCode, pvParameters, xRunPrivileged ); + /* If the port has capability to detect stack overflow, + pass the stack end address to the stack initialization + function as well. */ + #if( portHAS_STACK_OVERFLOW_CHECKING == 1 ) + { + #if( portSTACK_GROWTH < 0 ) + { + pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxNewTCB->pxStack, pxTaskCode, pvParameters, xRunPrivileged ); + } + #else /* portSTACK_GROWTH */ + { + pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxNewTCB->pxEndOfStack, pxTaskCode, pvParameters, xRunPrivileged ); + } + #endif /* portSTACK_GROWTH */ + } + #else /* portHAS_STACK_OVERFLOW_CHECKING */ + { + pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxTaskCode, pvParameters, xRunPrivileged ); + } + #endif /* portHAS_STACK_OVERFLOW_CHECKING */ } #else /* portUSING_MPU_WRAPPERS */ { - pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxTaskCode, pvParameters ); + /* If the port has capability to detect stack overflow, + pass the stack end address to the stack initialization + function as well. */ + #if( portHAS_STACK_OVERFLOW_CHECKING == 1 ) + { + #if( portSTACK_GROWTH < 0 ) + { + pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxNewTCB->pxStack, pxTaskCode, pvParameters ); + } + #else /* portSTACK_GROWTH */ + { + pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxNewTCB->pxEndOfStack, pxTaskCode, pvParameters ); + } + #endif /* portSTACK_GROWTH */ + } + #else /* portHAS_STACK_OVERFLOW_CHECKING */ + { + pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxTaskCode, pvParameters ); + } + #endif /* portHAS_STACK_OVERFLOW_CHECKING */ } #endif /* portUSING_MPU_WRAPPERS */ @@ -3303,7 +3341,7 @@ static portTASK_FUNCTION( prvIdleTask, pvParameters ) /* In case a task that has a secure context deletes itself, in which case the idle task is responsible for deleting the task's secure context, if any. */ - portTASK_CALLS_SECURE_FUNCTIONS(); + portALLOCATE_SECURE_CONTEXT( configMINIMAL_SECURE_STACK_SIZE ); for( ;; ) { -- 2.39.5