--- /dev/null
+/****************************************************************************
+* Copyright (c) 2006 by Michael Fischer. All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions
+* are met:
+*
+* 1. Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* 2. Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in the
+* documentation and/or other materials provided with the distribution.
+* 3. Neither the name of the author nor the names of its contributors may
+* be used to endorse or promote products derived from this software
+* without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+* THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+* SUCH DAMAGE.
+*
+****************************************************************************
+* History:
+*
+* 30.03.06 mifi First Version for Insight tutorial
+****************************************************************************/
+#ifndef __TYPEDEFS_H__
+#define __TYPEDEFS_H__
+
+/*
+ * Some types to use Windows like source
+ */
+typedef char CHAR; /* 8-bit signed data */
+typedef unsigned char BYTE; /* 8-bit unsigned data */
+typedef unsigned short WORD; /* 16-bit unsigned data */
+typedef long LONG; /* 32-bit signed data */
+typedef unsigned long ULONG; /* 32-bit unsigned data */
+typedef unsigned long DWORD; /* 32-bit unsigned data */
+
+
+#endif /* !__TYPEDEFS_H_ */
+/*** EOF ***/
--- /dev/null
+#
+# !!!! Do NOT edit this makefile with an editor which replace tabs by spaces !!!!
+#
+##############################################################################################
+#
+# On command line:
+#
+# make all = Create project
+#
+# make clean = Clean project files.
+#
+# To rebuild project do "make clean" and "make all".
+#
+
+##############################################################################################
+# Start of default section
+#
+
+TRGT = arm-elf-
+CC = $(TRGT)gcc
+CP = $(TRGT)objcopy
+AS = $(TRGT)gcc -x assembler-with-cpp
+BIN = $(CP) -O ihex
+
+MCU = arm7tdmi
+
+# List all default C defines here, like -D_DEBUG=1
+DDEFS =
+
+# List all default ASM defines here, like -D_DEBUG=1
+DADEFS =
+
+# List all default directories to look for include files here
+DINCDIR =
+
+# List the default directory to look for the libraries here
+DLIBDIR =
+
+# List all default libraries here
+DLIBS =
+
+#
+# End of default section
+##############################################################################################
+
+##############################################################################################
+# Start of user section
+#
+
+# Define project name here
+PROJECT = test
+
+# Define linker script file here
+LDSCRIPT_RAM = ./prj/sam7x256_ram.ld
+LDSCRIPT_ROM = ./prj/sam7x256_rom.ld
+
+# List all user C define here, like -D_DEBUG=1
+UDEFS =
+
+# Define ASM defines here
+UADEFS =
+
+# List C source files here
+SRC = ./src/main.c
+
+# List ASM source files here
+ASRC = ./src/crt.s
+
+# List all user directories here
+UINCDIR = ./inc
+
+# List the user directory to look for the libraries here
+ULIBDIR =
+
+# List all user libraries here
+ULIBS =
+
+# Define optimisation level here
+OPT = -O0
+
+#
+# End of user defines
+##############################################################################################
+
+
+INCDIR = $(patsubst %,-I%,$(DINCDIR) $(UINCDIR))
+LIBDIR = $(patsubst %,-L%,$(DLIBDIR) $(ULIBDIR))
+DEFS = $(DDEFS) $(UDEFS)
+ADEFS = $(DADEFS) $(UADEFS)
+OBJS = $(ASRC:.s=.o) $(SRC:.c=.o)
+LIBS = $(DLIBS) $(ULIBS)
+MCFLAGS = -mcpu=$(MCU)
+
+ASFLAGS = $(MCFLAGS) -g -gdwarf-2 -Wa,-amhls=$(<:.s=.lst) $(ADEFS)
+CPFLAGS = $(MCFLAGS) $(OPT) -gdwarf-2 -mthumb-interwork -fomit-frame-pointer -Wall -Wstrict-prototypes -fverbose-asm -Wa,-ahlms=$(<:.c=.lst) $(DEFS)
+LDFLAGS_RAM = $(MCFLAGS) -nostartfiles -T$(LDSCRIPT_RAM) -Wl,-Map=$(PROJECT)_ram.map,--cref,--no-warn-mismatch $(LIBDIR)
+LDFLAGS_ROM = $(MCFLAGS) -nostartfiles -T$(LDSCRIPT_ROM) -Wl,-Map=$(PROJECT)_rom.map,--cref,--no-warn-mismatch $(LIBDIR)
+
+# Generate dependency information
+CPFLAGS += -MD -MP -MF .dep/$(@F).d
+
+#
+# makefile rules
+#
+
+all: RAM ROM
+
+RAM: $(OBJS) $(PROJECT)_ram.elf $(PROJECT)_ram.hex
+
+ROM: $(OBJS) $(PROJECT)_rom.elf $(PROJECT)_rom.hex
+
+%o : %c
+ $(CC) -c $(CPFLAGS) -I . $(INCDIR) $< -o $@
+
+%o : %s
+ $(AS) -c $(ASFLAGS) $< -o $@
+
+%ram.elf: $(OBJS)
+ $(CC) $(OBJS) $(LDFLAGS_RAM) $(LIBS) -o $@
+
+%rom.elf: $(OBJS)
+ $(CC) $(OBJS) $(LDFLAGS_ROM) $(LIBS) -o $@
+
+%hex: %elf
+ $(BIN) $< $@
+
+clean:
+ -rm -f $(OBJS)
+ -rm -f $(PROJECT)_ram.elf
+ -rm -f $(PROJECT)_ram.map
+ -rm -f $(PROJECT)_ram.hex
+ -rm -f $(PROJECT)_rom.elf
+ -rm -f $(PROJECT)_rom.map
+ -rm -f $(PROJECT)_rom.hex
+ -rm -f $(SRC:.c=.c.bak)
+ -rm -f $(SRC:.c=.lst)
+ -rm -f $(ASRC:.s=.s.bak)
+ -rm -f $(ASRC:.s=.lst)
+ -rm -fR .dep
+
+#
+# Include the dependency files, should be the last of the makefile
+#
+-include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)
+
+# *** EOF ***
\ No newline at end of file
--- /dev/null
+target remote localhost:3333\r
+monitor reset\r
+monitor sleep 500\r
+monitor poll\r
+monitor soft_reset_halt\r
+monitor arm7_9 sw_bkpts enable\r
+\r
+# WDT_MR, disable watchdog \r
+monitor mww 0xFFFFFD44 0x00008000\r
+\r
+# RSTC_MR, enable user reset\r
+monitor mww 0xfffffd08 0xa5000001\r
+\r
+# CKGR_MOR\r
+monitor mww 0xFFFFFC20 0x00000601\r
+monitor sleep 10\r
+\r
+# CKGR_PLLR\r
+monitor mww 0xFFFFFC2C 0x00481c0e\r
+monitor sleep 10\r
+\r
+# PMC_MCKR\r
+monitor mww 0xFFFFFC30 0x00000007\r
+monitor sleep 10\r
+\r
+# PMC_IER\r
+monitor mww 0xFFFFFF60 0x00480100\r
+monitor sleep 100\r
+\r
+load\r
+break main\r
+continue\r
--- /dev/null
+target remote localhost:3333\r
+monitor reset\r
+monitor sleep 500\r
+monitor poll\r
+monitor soft_reset_halt\r
+monitor arm7_9 force_hw_bkpts enable\r
+\r
+# WDT_MR, disable watchdog \r
+monitor mww 0xFFFFFD44 0x00008000\r
+\r
+# RSTC_MR, enable user reset\r
+monitor mww 0xfffffd08 0xa5000001\r
+\r
+# CKGR_MOR\r
+monitor mww 0xFFFFFC20 0x00000601\r
+monitor sleep 10\r
+\r
+# CKGR_PLLR\r
+monitor mww 0xFFFFFC2C 0x00481c0e\r
+monitor sleep 10\r
+\r
+# PMC_MCKR\r
+monitor mww 0xFFFFFC30 0x00000007\r
+monitor sleep 10\r
+\r
+# PMC_IER\r
+monitor mww 0xFFFFFF60 0x00480100\r
+monitor sleep 100\r
+\r
+load\r
+break main\r
+continue\r
--- /dev/null
+#daemon configuration\r
+telnet_port 4444\r
+gdb_port 3333\r
+\r
+# tell gdb our flash memory map\r
+# and enable flash programming\r
+gdb_memory_map enable\r
+gdb_flash_program enable\r
+\r
+#interface\r
+interface ft2232\r
+ft2232_device_desc "Amontec JTAGkey A"\r
+ft2232_layout jtagkey\r
+ft2232_vid_pid 0x0403 0xcff8\r
+jtag_speed 0\r
+jtag_nsrst_delay 200\r
+jtag_ntrst_delay 200\r
+\r
+\r
+#use combined on interfaces or targets that can't set TRST/SRST separately\r
+reset_config srst_only srst_pulls_trst\r
+\r
+#jtag scan chain\r
+#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)\r
+jtag_device 4 0x1 0xf 0xe\r
+\r
+#target configuration\r
+daemon_startup reset\r
+\r
+#target <type> <startup mode>\r
+#target arm7tdmi <reset mode> <chainpos> <endianness> <variant>\r
+target arm7tdmi little run_and_init 0 arm7tdmi\r
+run_and_halt_time 0 30\r
+\r
+target_script 0 reset .\prj\sam7x256_reset.script\r
+\r
+working_area 0 0x00200000 0x4000 nobackup\r
+\r
+#flash bank <driver> <base> <size> <chip_width> <bus_width>\r
+flash bank at91sam7 0 0 0 0 0\r
+\r
+# For more information about the configuration files, take a look at:\r
+# http://openfacts.berlios.de/index-en.phtml?title=Open+On-Chip+Debugger\r
--- /dev/null
+/****************************************************************************\r
+* Copyright (c) 2006 by Michael Fischer. All rights reserved.\r
+*\r
+* Redistribution and use in source and binary forms, with or without \r
+* modification, are permitted provided that the following conditions \r
+* are met:\r
+* \r
+* 1. Redistributions of source code must retain the above copyright \r
+* notice, this list of conditions and the following disclaimer.\r
+* 2. Redistributions in binary form must reproduce the above copyright\r
+* notice, this list of conditions and the following disclaimer in the \r
+* documentation and/or other materials provided with the distribution.\r
+* 3. Neither the name of the author nor the names of its contributors may \r
+* be used to endorse or promote products derived from this software \r
+* without specific prior written permission.\r
+*\r
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \r
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT \r
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS \r
+* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL \r
+* THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, \r
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, \r
+* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS \r
+* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED \r
+* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, \r
+* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF \r
+* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF \r
+* SUCH DAMAGE.\r
+*\r
+****************************************************************************\r
+*\r
+* History:\r
+*\r
+* 30.03.06 mifi First Version\r
+****************************************************************************/\r
+\r
+\r
+ENTRY(ResetHandler)\r
+SEARCH_DIR(.)\r
+\r
+/*\r
+ * Define stack size here\r
+ */\r
+FIQ_STACK_SIZE = 0x0100;\r
+IRQ_STACK_SIZE = 0x0100;\r
+ABT_STACK_SIZE = 0x0100;\r
+UND_STACK_SIZE = 0x0100;\r
+SVC_STACK_SIZE = 0x0400;\r
+\r
+\r
+MEMORY\r
+{\r
+ ram : org = 0x00200000, len = 64k\r
+}\r
+\r
+/*\r
+ * Do not change the next code\r
+ */\r
+SECTIONS\r
+{\r
+ .text :\r
+ {\r
+ *(.vectors);\r
+ . = ALIGN(4);\r
+ *(.init);\r
+ . = ALIGN(4);\r
+ *(.text);\r
+ . = ALIGN(4);\r
+ *(.rodata);\r
+ . = ALIGN(4);\r
+ *(.rodata*);\r
+ . = ALIGN(4);\r
+ *(.glue_7t);\r
+ . = ALIGN(4);\r
+ *(.glue_7);\r
+ . = ALIGN(4);\r
+ etext = .;\r
+ } > ram\r
+\r
+ .data :\r
+ {\r
+ PROVIDE (__data_start = .);\r
+ *(.data)\r
+ . = ALIGN(4);\r
+ edata = .;\r
+ _edata = .;\r
+ PROVIDE (__data_end = .);\r
+ } > ram\r
+\r
+ .bss :\r
+ {\r
+ PROVIDE (__bss_start = .);\r
+ *(.bss)\r
+ *(COMMON)\r
+ . = ALIGN(4);\r
+ PROVIDE (__bss_end = .);\r
+ \r
+ . = ALIGN(256);\r
+ \r
+ PROVIDE (__stack_start = .);\r
+ \r
+ PROVIDE (__stack_fiq_start = .);\r
+ . += FIQ_STACK_SIZE;\r
+ . = ALIGN(4);\r
+ PROVIDE (__stack_fiq_end = .);\r
+\r
+ PROVIDE (__stack_irq_start = .);\r
+ . += IRQ_STACK_SIZE;\r
+ . = ALIGN(4);\r
+ PROVIDE (__stack_irq_end = .);\r
+\r
+ PROVIDE (__stack_abt_start = .);\r
+ . += ABT_STACK_SIZE;\r
+ . = ALIGN(4);\r
+ PROVIDE (__stack_abt_end = .);\r
+\r
+ PROVIDE (__stack_und_start = .);\r
+ . += UND_STACK_SIZE;\r
+ . = ALIGN(4);\r
+ PROVIDE (__stack_und_end = .);\r
+\r
+ PROVIDE (__stack_svc_start = .);\r
+ . += SVC_STACK_SIZE;\r
+ . = ALIGN(4);\r
+ PROVIDE (__stack_svc_end = .);\r
+ PROVIDE (__stack_end = .);\r
+ PROVIDE (__heap_start = .); \r
+ } > ram\r
+ \r
+}\r
+/*** EOF ***/\r
+\r
--- /dev/null
+#\r
+# Init - taken form the script openocd_at91sam7_ecr.script \r
+#\r
+# I take this script from the following page:\r
+#\r
+# http://www.siwawi.arubi.uni-kl.de/avr_projects/arm_projects/openocd_intro/index.html\r
+#\r
+mww 0xfffffd44 0x00008000 # disable watchdog\r
+mww 0xfffffd08 0xa5000001 # enable user reset\r
+mww 0xfffffc20 0x00000601 # CKGR_MOR : enable the main oscillator\r
+sleep 10\r
+mww 0xfffffc2c 0x00481c0e # CKGR_PLLR: 96.1097 MHz\r
+sleep 10\r
+mww 0xfffffc30 0x00000007 # PMC_MCKR : MCK = PLL / 2 ~= 48 MHz\r
+sleep 10\r
+mww 0xffffff60 0x003c0100 # MC_FMR: flash mode (FWS=1,FMCN=60)\r
+sleep 100\r
--- /dev/null
+/****************************************************************************\r
+* Copyright (c) 2006 by Michael Fischer. All rights reserved.\r
+*\r
+* Redistribution and use in source and binary forms, with or without \r
+* modification, are permitted provided that the following conditions \r
+* are met:\r
+* \r
+* 1. Redistributions of source code must retain the above copyright \r
+* notice, this list of conditions and the following disclaimer.\r
+* 2. Redistributions in binary form must reproduce the above copyright\r
+* notice, this list of conditions and the following disclaimer in the \r
+* documentation and/or other materials provided with the distribution.\r
+* 3. Neither the name of the author nor the names of its contributors may \r
+* be used to endorse or promote products derived from this software \r
+* without specific prior written permission.\r
+*\r
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \r
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT \r
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS \r
+* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL \r
+* THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, \r
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, \r
+* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS \r
+* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED \r
+* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, \r
+* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF \r
+* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF \r
+* SUCH DAMAGE.\r
+*\r
+****************************************************************************\r
+*\r
+* History:\r
+*\r
+* 26.01.08 mifi First Version\r
+****************************************************************************/\r
+\r
+\r
+ENTRY(ResetHandler)\r
+SEARCH_DIR(.)\r
+\r
+/*\r
+ * Define stack size here\r
+ */\r
+FIQ_STACK_SIZE = 0x0100;\r
+IRQ_STACK_SIZE = 0x0100;\r
+ABT_STACK_SIZE = 0x0100;\r
+UND_STACK_SIZE = 0x0100;\r
+SVC_STACK_SIZE = 0x0400;\r
+\r
+\r
+MEMORY\r
+{\r
+ rom : org = 0x00100000, len = 256k\r
+ ram : org = 0x00200000, len = 64k\r
+}\r
+\r
+/*\r
+ * Do not change the next code\r
+ */\r
+SECTIONS\r
+{\r
+ .text :\r
+ {\r
+ *(.vectors);\r
+ . = ALIGN(4);\r
+ *(.init);\r
+ . = ALIGN(4);\r
+ *(.text);\r
+ . = ALIGN(4);\r
+ *(.rodata);\r
+ . = ALIGN(4);\r
+ *(.rodata*);\r
+ . = ALIGN(4);\r
+ *(.glue_7t);\r
+ . = ALIGN(4);\r
+ *(.glue_7);\r
+ . = ALIGN(4);\r
+ etext = .;\r
+ } > rom\r
+\r
+ .data :\r
+ {\r
+ PROVIDE (__data_start = .);\r
+ *(.data)\r
+ . = ALIGN(4);\r
+ edata = .;\r
+ _edata = .;\r
+ PROVIDE (__data_end = .);\r
+ } > ram\r
+\r
+ .bss :\r
+ {\r
+ PROVIDE (__bss_start = .);\r
+ *(.bss)\r
+ *(COMMON)\r
+ . = ALIGN(4);\r
+ PROVIDE (__bss_end = .);\r
+ \r
+ . = ALIGN(256);\r
+ \r
+ PROVIDE (__stack_start = .);\r
+ \r
+ PROVIDE (__stack_fiq_start = .);\r
+ . += FIQ_STACK_SIZE;\r
+ . = ALIGN(4);\r
+ PROVIDE (__stack_fiq_end = .);\r
+\r
+ PROVIDE (__stack_irq_start = .);\r
+ . += IRQ_STACK_SIZE;\r
+ . = ALIGN(4);\r
+ PROVIDE (__stack_irq_end = .);\r
+\r
+ PROVIDE (__stack_abt_start = .);\r
+ . += ABT_STACK_SIZE;\r
+ . = ALIGN(4);\r
+ PROVIDE (__stack_abt_end = .);\r
+\r
+ PROVIDE (__stack_und_start = .);\r
+ . += UND_STACK_SIZE;\r
+ . = ALIGN(4);\r
+ PROVIDE (__stack_und_end = .);\r
+\r
+ PROVIDE (__stack_svc_start = .);\r
+ . += SVC_STACK_SIZE;\r
+ . = ALIGN(4);\r
+ PROVIDE (__stack_svc_end = .);\r
+ PROVIDE (__stack_end = .);\r
+ PROVIDE (__heap_start = .); \r
+ } > ram\r
+ \r
+}\r
+/*** EOF ***/\r
+\r
--- /dev/null
+/****************************************************************************
+* Copyright (c) 2006 by Michael Fischer. All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions
+* are met:
+*
+* 1. Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* 2. Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in the
+* documentation and/or other materials provided with the distribution.
+* 3. Neither the name of the author nor the names of its contributors may
+* be used to endorse or promote products derived from this software
+* without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+* THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+* SUCH DAMAGE.
+*
+****************************************************************************
+*
+* History:
+*
+* 18.12.06 mifi First Version
+* The hardware initialization is based on the startup file
+* crtat91sam7x256_rom.S from NutOS 4.2.1.
+* Therefore partial copyright by egnite Software GmbH.
+****************************************************************************/
+
+/*
+ * Some defines for the program status registers
+ */
+ ARM_MODE_USER = 0x10 /* Normal User Mode */
+ ARM_MODE_FIQ = 0x11 /* FIQ Fast Interrupts Mode */
+ ARM_MODE_IRQ = 0x12 /* IRQ Standard Interrupts Mode */
+ ARM_MODE_SVC = 0x13 /* Supervisor Interrupts Mode */
+ ARM_MODE_ABORT = 0x17 /* Abort Processing memory Faults Mode */
+ ARM_MODE_UNDEF = 0x1B /* Undefined Instructions Mode */
+ ARM_MODE_SYS = 0x1F /* System Running in Priviledged Operating Mode */
+ ARM_MODE_MASK = 0x1F
+
+ I_BIT = 0x80 /* disable IRQ when I bit is set */
+ F_BIT = 0x40 /* disable IRQ when I bit is set */
+
+/*
+ * Register Base Address
+ */
+ AIC_BASE = 0xFFFFF000
+ AIC_EOICR_OFF = 0x130
+ AIC_IDCR_OFF = 0x124
+
+ RSTC_MR = 0xFFFFFD08
+ RSTC_KEY = 0xA5000000
+ RSTC_URSTEN = 0x00000001
+
+ WDT_BASE = 0xFFFFFD40
+ WDT_MR_OFF = 0x00000004
+ WDT_WDDIS = 0x00008000
+
+ MC_BASE = 0xFFFFFF00
+ MC_FMR_OFF = 0x00000060
+ MC_FWS_1FWS = 0x00480100
+
+ .section .vectors,"ax"
+ .code 32
+
+/****************************************************************************/
+/* Vector table and reset entry */
+/****************************************************************************/
+_vectors:
+ ldr pc, ResetAddr /* Reset */
+ ldr pc, UndefAddr /* Undefined instruction */
+ ldr pc, SWIAddr /* Software interrupt */
+ ldr pc, PAbortAddr /* Prefetch abort */
+ ldr pc, DAbortAddr /* Data abort */
+ ldr pc, ReservedAddr /* Reserved */
+ ldr pc, IRQAddr /* IRQ interrupt */
+ ldr pc, FIQAddr /* FIQ interrupt */
+
+
+ResetAddr: .word ResetHandler
+UndefAddr: .word UndefHandler
+SWIAddr: .word SWIHandler
+PAbortAddr: .word PAbortHandler
+DAbortAddr: .word DAbortHandler
+ReservedAddr: .word 0
+IRQAddr: .word IRQHandler
+FIQAddr: .word FIQHandler
+
+ .ltorg
+
+ .section .init, "ax"
+ .code 32
+
+ .global ResetHandler
+ .global ExitFunction
+ .extern main
+/****************************************************************************/
+/* Reset handler */
+/****************************************************************************/
+ResetHandler:
+ /*
+ * The watchdog is enabled after processor reset. Disable it.
+ */
+ ldr r1, =WDT_BASE
+ ldr r0, =WDT_WDDIS
+ str r0, [r1, #WDT_MR_OFF]
+
+
+ /*
+ * Enable user reset: assertion length programmed to 1ms
+ */
+ ldr r0, =(RSTC_KEY | RSTC_URSTEN | (4 << 8))
+ ldr r1, =RSTC_MR
+ str r0, [r1, #0]
+
+
+ /*
+ * Use 2 cycles for flash access.
+ */
+ ldr r1, =MC_BASE
+ ldr r0, =MC_FWS_1FWS
+ str r0, [r1, #MC_FMR_OFF]
+
+
+ /*
+ * Disable all interrupts. Useful for debugging w/o target reset.
+ */
+ ldr r1, =AIC_BASE
+ mvn r0, #0
+ str r0, [r1, #AIC_EOICR_OFF]
+ str r0, [r1, #AIC_IDCR_OFF]
+
+
+ /*
+ * Setup a stack for each mode
+ */
+ msr CPSR_c, #ARM_MODE_UNDEF | I_BIT | F_BIT /* Undefined Instruction Mode */
+ ldr sp, =__stack_und_end
+
+ msr CPSR_c, #ARM_MODE_ABORT | I_BIT | F_BIT /* Abort Mode */
+ ldr sp, =__stack_abt_end
+
+ msr CPSR_c, #ARM_MODE_FIQ | I_BIT | F_BIT /* FIQ Mode */
+ ldr sp, =__stack_fiq_end
+
+ msr CPSR_c, #ARM_MODE_IRQ | I_BIT | F_BIT /* IRQ Mode */
+ ldr sp, =__stack_irq_end
+
+ msr CPSR_c, #ARM_MODE_SVC | I_BIT | F_BIT /* Supervisor Mode */
+ ldr sp, =__stack_svc_end
+
+
+ /*
+ * Clear .bss section
+ */
+ ldr r1, =__bss_start
+ ldr r2, =__bss_end
+ ldr r3, =0
+bss_clear_loop:
+ cmp r1, r2
+ strne r3, [r1], #+4
+ bne bss_clear_loop
+
+
+ /*
+ * Jump to main
+ */
+ mrs r0, cpsr
+ bic r0, r0, #I_BIT | F_BIT /* Enable FIQ and IRQ interrupt */
+ msr cpsr, r0
+
+ mov r0, #0 /* No arguments */
+ mov r1, #0 /* No arguments */
+ ldr r2, =main
+ mov lr, pc
+ bx r2 /* And jump... */
+
+ExitFunction:
+ nop
+ nop
+ nop
+ b ExitFunction
+
+
+/****************************************************************************/
+/* Default interrupt handler */
+/****************************************************************************/
+
+UndefHandler:
+ b UndefHandler
+
+SWIHandler:
+ b SWIHandler
+
+PAbortHandler:
+ b PAbortHandler
+
+DAbortHandler:
+ b DAbortHandler
+
+IRQHandler:
+ b IRQHandler
+
+FIQHandler:
+ b FIQHandler
+
+ .weak ExitFunction
+ .weak UndefHandler, PAbortHandler, DAbortHandler
+ .weak IRQHandler, FIQHandler
+
+ .ltorg
+/*** EOF ***/
+
+
--- /dev/null
+/****************************************************************************
+* Copyright (c) 2006 by Michael Fischer. All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions
+* are met:
+*
+* 1. Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* 2. Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in the
+* documentation and/or other materials provided with the distribution.
+* 3. Neither the name of the author nor the names of its contributors may
+* be used to endorse or promote products derived from this software
+* without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+* THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+* SUCH DAMAGE.
+*
+****************************************************************************
+* History:
+*
+* 30.03.06 mifi First Version for Insight tutorial
+* 26.01.08 mifi Added variable "d" to test const variable.
+****************************************************************************/
+#define __MAIN_C__
+
+/*
+ * I use the include only, to show
+ * how to setup a include dir in the makefile
+ */
+#include "typedefs.h"
+
+/*=========================================================================*/
+/* DEFINE: All Structures and Common Constants */
+/*=========================================================================*/
+
+/*=========================================================================*/
+/* DEFINE: Prototypes */
+/*=========================================================================*/
+
+/*=========================================================================*/
+/* DEFINE: Definition of all local Data */
+/*=========================================================================*/
+static const DWORD d = 7;
+
+/*=========================================================================*/
+/* DEFINE: Definition of all local Procedures */
+/*=========================================================================*/
+
+/*=========================================================================*/
+/* DEFINE: All code exported */
+/*=========================================================================*/
+/***************************************************************************/
+/* main */
+/***************************************************************************/
+int main (void)
+{
+ DWORD a = 1;
+ DWORD b = 2;
+ DWORD c = 0;
+
+ a = a + d;
+
+ while (1)
+ {
+ a++;
+ b++;
+ c = a + b;
+ }
+
+ /*
+ * This return here make no sense.
+ * But to prevent the compiler warning:
+ * "return type of 'main' is not 'int'
+ * we use an int as return :-)
+ */
+ return(0);
+}
+
+/*** EOF ***/
<td align="center" width="110">320</td>
<td align="center" width="110">n/a</td>
</tr>
+ <tr>
+ <td width="65"><a href="#bdte-ram">bdte-ram</a></td>
+ <td width="165">sam7x256 ram debugging</td>
+ <td align="center" width="110">320</td>
+ <td align="center" width="110">n/a</td>
+ </tr>
+ <tr>
+ <td width="65"><a href="#bdte-rom">bdte-rom</a></td>
+ <td width="165">sam7x256 rom debugging</td>
+ <td align="center" width="110">320</td>
+ <td align="center" width="110">n/a</td>
+ </tr>
</table>
<p></p>
<hr>
projects / openocd / commitdiff