;/*\r
-; FreeRTOS V7.1.1 - Copyright (C) 2012 Real Time Engineers Ltd.\r
-;\r
-;\r
-; ***************************************************************************\r
-; * *\r
-; * FreeRTOS tutorial books are available in pdf and paperback. *\r
-; * Complete, revised, and edited pdf reference manuals are also *\r
-; * available. *\r
-; * *\r
-; * Purchasing FreeRTOS documentation will not only help you, by *\r
-; * ensuring you get running as quickly as possible and with an *\r
-; * in-depth knowledge of how to use FreeRTOS, it will also help *\r
-; * the FreeRTOS project to continue with its mission of providing *\r
-; * professional grade, cross platform, de facto standard solutions *\r
-; * for microcontrollers - completely free of charge! *\r
-; * *\r
-; * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *\r
-; * *\r
-; * Thank you for using FreeRTOS, and thank you for your support! *\r
-; * *\r
-; ***************************************************************************\r
-;\r
-;\r
-; This file is part of the FreeRTOS distribution.\r
-;\r
-; FreeRTOS is free software; you can redistribute it and/or modify it under\r
-; the terms of the GNU General Public License (version 2) as published by the\r
-; Free Software Foundation AND MODIFIED BY the FreeRTOS exception.\r
-; >>>NOTE<<< The modification to the GPL is included to allow you to\r
-; distribute a combined work that includes FreeRTOS without being obliged to\r
-; provide the source code for proprietary components outside of the FreeRTOS\r
-; kernel. FreeRTOS is distributed in the hope that it will be useful, but\r
-; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY\r
-; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for\r
-; more details. You should have received a copy of the GNU General Public\r
-; License and the FreeRTOS license exception along with FreeRTOS; if not it\r
-; can be viewed here: http://www.freertos.org/a00114.html and also obtained\r
-; by writing to Richard Barry, contact details for whom are available on the\r
-; FreeRTOS WEB site.\r
-;\r
-; 1 tab == 4 spaces!\r
-;\r
-; http://www.FreeRTOS.org - Documentation, latest information, license and\r
-; contact details.\r
-;\r
-; http://www.SafeRTOS.com - A version that is certified for use in safety\r
-; critical systems.\r
-;\r
-; http://www.OpenRTOS.com - Commercial support, development, porting,\r
-; licensing and training services.\r
-;*/\r
+; * FreeRTOS Kernel V10.3.0\r
+; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.\r
+; *\r
+; * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
+; * this software and associated documentation files (the "Software"), to deal in\r
+; * the Software without restriction, including without limitation the rights to\r
+; * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
+; * the Software, and to permit persons to whom the Software is furnished to do so,\r
+; * subject to the following conditions:\r
+; *\r
+; * The above copyright notice and this permission notice shall be included in all\r
+; * copies or substantial portions of the Software.\r
+; *\r
+; * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
+; * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
+; * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
+; * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
+; * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
+; * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
+; *\r
+; * http://www.FreeRTOS.org\r
+; * http://aws.amazon.com/freertos\r
+; *\r
+; * 1 tab == 4 spaces!\r
+; */\r
+\r
\r
.extern pxCurrentTCB\r
.extern vTaskSwitchContext\r
.extern ulMaxSyscallInterruptPriorityConst\r
\r
- .global PendSV_Handler\r
+ .global _vector_14\r
+ .global _lc_ref__vector_pp_14\r
.global SVC_Handler\r
.global vPortStartFirstTask\r
.global vPortEnableVFP\r
- \r
+ .global ulPortSetInterruptMask\r
+ .global vPortClearInterruptMask\r
+\r
;-----------------------------------------------------------\r
\r
.section .text\r
.thumb\r
.align 4\r
-PendSV_Handler: .type func\r
+_vector_14: .type func\r
+\r
mrs r0, psp\r
+ isb\r
\r
;Get the location of the current TCB.\r
ldr.w r3, =pxCurrentTCB\r
;Save the new top of stack into the first member of the TCB.\r
str r0, [r2]\r
\r
- stmdb sp!, {r3, r14}\r
+ stmdb sp!, {r0, r3}\r
ldr.w r0, =ulMaxSyscallInterruptPriorityConst\r
+ ldr r0, [r0]\r
msr basepri, r0\r
bl vTaskSwitchContext\r
mov r0, #0\r
msr basepri, r0\r
- ldmia sp!, {r3, r14}\r
+ ldmia sp!, {r0, r3}\r
\r
;The first item in pxCurrentTCB is the task top of stack.\r
ldr r1, [r3]\r
vldmiaeq r0!, {s16-s31}\r
\r
msr psp, r0\r
+ isb\r
bx r14\r
\r
- .size PendSV_Handler, $-PendSV_Handler\r
+ .size _vector_14, $-_vector_14\r
+ .endsec\r
+\r
+;-----------------------------------------------------------\r
+\r
+; This function is an XMC4000 silicon errata workaround. It will get used when\r
+; the SILICON_BUG_PMC_CM_001 linker macro is defined.\r
+ .section .text\r
+ .thumb\r
+ .align 4\r
+_lc_ref__vector_pp_14: .type func\r
+\r
+ mrs r0, psp\r
+ isb\r
+\r
+ ;Get the location of the current TCB.\r
+ ldr.w r3, =pxCurrentTCB\r
+ ldr r2, [r3]\r
+\r
+ ;Is the task using the FPU context? If so, push high vfp registers.\r
+ tst r14, #0x10\r
+ it eq\r
+ vstmdbeq r0!, {s16-s31}\r
+\r
+ ;Save the core registers.\r
+ stmdb r0!, {r4-r11, r14}\r
+\r
+ ;Save the new top of stack into the first member of the TCB.\r
+ str r0, [r2]\r
+\r
+ stmdb sp!, {r3}\r
+ ldr.w r0, =ulMaxSyscallInterruptPriorityConst\r
+ ldr r0, [r0]\r
+ msr basepri, r0\r
+ bl vTaskSwitchContext\r
+ mov r0, #0\r
+ msr basepri, r0\r
+ ldmia sp!, {r3}\r
+\r
+ ;The first item in pxCurrentTCB is the task top of stack.\r
+ ldr r1, [r3]\r
+ ldr r0, [r1]\r
+\r
+ ;Pop the core registers.\r
+ ldmia r0!, {r4-r11, r14}\r
+\r
+ ;Is the task using the FPU context? If so, pop the high vfp registers too.\r
+ tst r14, #0x10\r
+ it eq\r
+ vldmiaeq r0!, {s16-s31}\r
+\r
+ msr psp, r0\r
+ isb\r
+ push { lr }\r
+ pop { pc } ; XMC4000 specific errata workaround. Do not used "bx lr" here.\r
+\r
+ .size _lc_ref__vector_pp_14, $-_lc_ref__vector_pp_14\r
.endsec\r
\r
;-----------------------------------------------------------\r
;Pop the core registers.\r
ldmia r0!, {r4-r11, r14}\r
msr psp, r0\r
+ isb\r
mov r0, #0\r
msr basepri, r0\r
bx r14\r
msr msp, r0\r
;Call SVC to start the first task.\r
cpsie i\r
+ cpsie f\r
+ dsb\r
+ isb\r
svc 0\r
.size vPortStartFirstTask, $-vPortStartFirstTask\r
.endsec\r
.size vPortEnableVFP, $-vPortEnableVFP\r
.endsec\r
\r
+;-----------------------------------------------------------\r
+\r
+ .section .text\r
+ .thumb\r
+ .align 4\r
+ulPortSetInterruptMask:\r
+ mrs r0, basepri\r
+ ldr.w r1, =ulMaxSyscallInterruptPriorityConst\r
+ ldr r1, [r1]\r
+ msr basepri, r1\r
+ bx r14\r
+ .size ulPortSetInterruptMask, $-ulPortSetInterruptMask\r
+ .endsec\r
+\r
+;-----------------------------------------------------------\r
+\r
+ .section .text\r
+ .thumb\r
+ .align 4\r
+vPortClearInterruptMask:\r
+ msr basepri, r0\r
+ bx r14\r
+ .size vPortClearInterruptMask, $-vPortClearInterruptMask\r
+ .endsec\r
+\r
+;-----------------------------------------------------------\r
\r
.end\r
- \r
+\r
projects / freertos / blobdiff