mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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Add reg tests to NuMaker M2351 project (#992)
* Add reg tests to NuMaker M2351 project Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com> * Add reg tests for IAR Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com> * Fix formatting check Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com> * Fix header check Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com> --------- Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>
This commit is contained in:
Gaurav-Aggarwal-AWS
GitHub
parent
457418a723
commit
5b403a6a07
26 changed files with 2185 additions and 228 deletions
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/*
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* FreeRTOS V202212.00
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* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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/*
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* "Reg tests" - These tests fill the registers with known values, then check
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* that each register maintains its expected value for the lifetime of the
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* task. Each task uses a different set of values. The reg test tasks execute
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* with a very low priority, so get preempted very frequently. A register
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* containing an unexpected value is indicative of an error in the context
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* switching mechanism.
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*/
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#include "reg_test_asm.h"
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/*-----------------------------------------------------------*/
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void vRegTest1Asm_NonSecure( void ) /* __attribute__(( naked )) */
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{
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__asm volatile
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(
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".extern ulRegTest1LoopCounter \n"
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".syntax unified \n"
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" \n"
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" /* Fill the core registers with known values. */ \n"
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" movs r1, #101 \n"
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" movs r2, #102 \n"
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" movs r3, #103 \n"
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" movs r4, #104 \n"
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" movs r5, #105 \n"
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" movs r6, #106 \n"
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" movs r7, #107 \n"
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" movs r0, #108 \n"
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" mov r8, r0 \n"
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" movs r0, #109 \n"
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" mov r9, r0 \n"
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" movs r0, #110 \n"
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" mov r10, r0 \n"
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" movs r0, #111 \n"
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" mov r11, r0 \n"
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" movs r0, #112 \n"
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" mov r12, r0 \n"
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" movs r0, #100 \n"
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" \n"
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"reg1_loop: \n"
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" \n"
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" /* Verify that core registers contain correct values. */ \n"
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" cmp r0, #100 \n"
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" bne reg1_error_loop \n"
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" cmp r1, #101 \n"
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" bne reg1_error_loop \n"
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" cmp r2, #102 \n"
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" bne reg1_error_loop \n"
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" cmp r3, #103 \n"
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" bne reg1_error_loop \n"
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" cmp r4, #104 \n"
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" bne reg1_error_loop \n"
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" cmp r5, #105 \n"
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" bne reg1_error_loop \n"
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" cmp r6, #106 \n"
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" bne reg1_error_loop \n"
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" cmp r7, #107 \n"
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" bne reg1_error_loop \n"
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" movs r0, #108 \n"
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" cmp r8, r0 \n"
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" bne reg1_error_loop \n"
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" movs r0, #109 \n"
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" cmp r9, r0 \n"
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" bne reg1_error_loop \n"
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" movs r0, #110 \n"
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" cmp r10, r0 \n"
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" bne reg1_error_loop \n"
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" movs r0, #111 \n"
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" cmp r11, r0 \n"
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" bne reg1_error_loop \n"
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" movs r0, #112 \n"
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" cmp r12, r0 \n"
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" bne reg1_error_loop \n"
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" \n"
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" /* Everything passed, inc the loop counter. */ \n"
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" push { r1 } \n"
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" ldr r0, =ulRegTest1LoopCounter \n"
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" ldr r1, [r0] \n"
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" adds r1, r1, #1 \n"
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" str r1, [r0] \n"
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" \n"
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" /* Yield to increase test coverage. */ \n"
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" movs r0, #0x01 \n"
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" ldr r1, =0xe000ed04 \n" /* NVIC_ICSR. */
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" lsls r0, #28 \n" /* Shift to PendSV bit. */
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" str r0, [r1] \n"
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" dsb \n"
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" pop { r1 } \n"
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" \n"
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" /* Start again. */ \n"
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" movs r0, #100 \n"
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" b reg1_loop \n"
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" \n"
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"reg1_error_loop: \n"
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" /* If this line is hit then there was an error in \n"
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" * a core register value. The loop ensures the \n"
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" * loop counter stops incrementing. */ \n"
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" b reg1_error_loop \n"
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" nop \n"
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);
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}
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/*-----------------------------------------------------------*/
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void vRegTest2Asm_NonSecure( void ) /* __attribute__(( naked )) */
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{
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__asm volatile
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(
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".extern ulRegTest2LoopCounter \n"
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".syntax unified \n"
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" \n"
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" /* Fill the core registers with known values. */ \n"
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" movs r1, #1 \n"
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" movs r2, #2 \n"
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" movs r3, #3 \n"
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" movs r4, #4 \n"
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" movs r5, #5 \n"
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" movs r6, #6 \n"
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" movs r7, #7 \n"
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" movs r0, #8 \n"
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" mov r8, r0 \n"
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" movs r0, #9 \n"
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" mov r9, r0 \n"
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" movs r0, #10 \n"
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" mov r10, r0 \n"
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" movs r0, #11 \n"
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" mov r11, r0 \n"
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" movs r0, #12 \n"
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" mov r12, r0 \n"
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" movs r0, #10 \n"
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" \n"
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"reg2_loop: \n"
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" \n"
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" /* Verify that core registers contain correct values. */ \n"
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" cmp r0, #10 \n"
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" bne reg2_error_loop \n"
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" cmp r1, #1 \n"
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" bne reg2_error_loop \n"
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" cmp r2, #2 \n"
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" bne reg2_error_loop \n"
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" cmp r3, #3 \n"
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" bne reg2_error_loop \n"
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" cmp r4, #4 \n"
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" bne reg2_error_loop \n"
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" cmp r5, #5 \n"
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" bne reg2_error_loop \n"
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" cmp r6, #6 \n"
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" bne reg2_error_loop \n"
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" cmp r7, #7 \n"
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" bne reg2_error_loop \n"
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" movs r0, #8 \n"
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" cmp r8, r0 \n"
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" bne reg2_error_loop \n"
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" movs r0, #9 \n"
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" cmp r9, r0 \n"
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" bne reg2_error_loop \n"
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" movs r0, #10 \n"
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" cmp r10, r0 \n"
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" bne reg2_error_loop \n"
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" movs r0, #11 \n"
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" cmp r11, r0 \n"
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" bne reg2_error_loop \n"
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" movs r0, #12 \n"
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" cmp r12, r0 \n"
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" bne reg2_error_loop \n"
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" \n"
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" /* Everything passed, inc the loop counter. */ \n"
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" push { r1 } \n"
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" ldr r0, =ulRegTest2LoopCounter \n"
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" ldr r1, [r0] \n"
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" adds r1, r1, #1 \n"
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" str r1, [r0] \n"
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" pop { r1 } \n"
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" \n"
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" /* Start again. */ \n"
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" movs r0, #10 \n"
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" b reg2_loop \n"
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" \n"
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"reg2_error_loop: \n"
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" /* If this line is hit then there was an error in \n"
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" * a core register value. The loop ensures the \n"
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" * loop counter stops incrementing. */ \n"
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" b reg2_error_loop \n"
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" nop \n"
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);
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}
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/*-----------------------------------------------------------*/
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void vRegTestAsm_NonSecureCallback( void )
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{
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__asm volatile
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(
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".syntax unified \n"
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" \n"
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" /* Store callee saved registers. */ \n"
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" push { r4-r7 } \n"
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" mov r0, r8 \n"
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" mov r1, r9 \n"
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" mov r2, r10 \n"
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" mov r3, r11 \n"
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" mov r4, r12 \n"
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" push { r0-r4 } \n"
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" \n"
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" /* Fill the core registers with known values. */ \n"
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" movs r1, #151 \n"
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" movs r2, #152 \n"
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" movs r3, #153 \n"
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" movs r4, #154 \n"
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" movs r5, #155 \n"
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" movs r6, #156 \n"
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" movs r7, #157 \n"
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" movs r0, #158 \n"
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" mov r8, r0 \n"
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" movs r0, #159 \n"
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" mov r9, r0 \n"
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" movs r0, #160 \n"
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" mov r10, r0 \n"
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" movs r0, #161 \n"
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" mov r11, r0 \n"
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" movs r0, #162 \n"
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" mov r12, r0 \n"
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" movs r0, #150 \n"
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" \n"
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" /* Force a context switch by pending non-secure sv. */ \n"
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" push { r0, r1 } \n"
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" movs r0, #0x01 \n"
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" ldr r1, =0xe000ed04 \n" /* NVIC_ICSR. */
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" lsls r0, #28 \n" /* Shift to PendSV bit. */
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" str r0, [r1] \n"
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" dsb \n"
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" pop { r0, r1 } \n"
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" \n"
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" /* Verify that core registers contain correct values. */ \n"
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" cmp r0, #150 \n"
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" bne reg_nscb_error_loop \n"
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" cmp r1, #151 \n"
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" bne reg_nscb_error_loop \n"
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" cmp r2, #152 \n"
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" bne reg_nscb_error_loop \n"
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" cmp r3, #153 \n"
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" bne reg_nscb_error_loop \n"
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" cmp r4, #154 \n"
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" bne reg_nscb_error_loop \n"
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" cmp r5, #155 \n"
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" bne reg_nscb_error_loop \n"
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" cmp r6, #156 \n"
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" bne reg_nscb_error_loop \n"
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" cmp r7, #157 \n"
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" bne reg_nscb_error_loop \n"
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" movs r0, #158 \n"
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" cmp r8, r0 \n"
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" bne reg_nscb_error_loop \n"
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" movs r0, #159 \n"
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" cmp r9, r0 \n"
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" bne reg_nscb_error_loop \n"
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" movs r0, #160 \n"
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" cmp r10, r0 \n"
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" bne reg_nscb_error_loop \n"
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" movs r0, #161 \n"
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" cmp r11, r0 \n"
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" bne reg_nscb_error_loop \n"
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" movs r0, #162 \n"
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" cmp r12, r0 \n"
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" bne reg_nscb_error_loop \n"
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" \n"
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" /* Everything passed, finish. */ \n"
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" b reg_nscb_success \n"
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" \n"
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"reg_nscb_error_loop : \n"
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" /* If this line is hit then there was an error in \n"
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" * a core register value. The loop ensures the \n"
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" * loop counter stops incrementing. */ \n"
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" b reg_nscb_error_loop \n"
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" nop \n"
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" \n"
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"reg_nscb_success: \n"
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" /* Restore callee saved registers. */ \n"
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" pop { r0-r4 } \n"
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" mov r8, r0 \n"
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" mov r9, r1 \n"
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" mov r10, r2 \n"
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" mov r11, r3 \n"
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" mov r12, r4 \n"
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" pop { r4-r7 } \n"
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);
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}
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/*-----------------------------------------------------------*/
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/*
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* FreeRTOS V202212.00
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* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
|
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* 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.
|
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*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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#ifndef REG_TEST_ASM_H
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#define REG_TEST_ASM_H
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/**
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* @brief Functions that implement reg tests in assembly.
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*
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* These are called from the FreeRTOS tasks on the non-secure side.
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*/
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void vRegTest1Asm_NonSecure( void ) __attribute__( ( naked ) );
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void vRegTest2Asm_NonSecure( void ) __attribute__( ( naked ) );
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/**
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* @brief Function that implements reg tests in assembly.
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*
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* This is passed as function pointer to the secure side and called
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* from the secure side.
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*/
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void vRegTestAsm_NonSecureCallback( void );
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#endif /* REG_TEST_ASM_H */
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/*
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* FreeRTOS V202212.00
|
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* Copyright (C) 2020 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.
|
||||
*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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/* Standard includes. */
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#include <stdint.h>
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#include <arm_cmse.h>
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/* Interface includes. */
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#include "secure_reg_test_asm.h"
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/* FreeRTOS includes. */
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#include "secure_port_macros.h"
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/* typedef for non-secure callback function. */
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typedef RegTestCallback_t NonSecureRegTestCallback_t __attribute__( ( cmse_nonsecure_call ) );
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/*-----------------------------------------------------------*/
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secureportNON_SECURE_CALLABLE void vRegTestAsm_Secure( void )
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{
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__asm volatile
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(
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".syntax unified \n"
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" \n"
|
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" /* Store callee saved registers. */ \n"
|
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" push { r4-r7 } \n"
|
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" mov r0, r8 \n"
|
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" mov r1, r9 \n"
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" mov r2, r10 \n"
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" mov r3, r11 \n"
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" mov r4, r12 \n"
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" push { r0-r4 } \n"
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" \n"
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" /* Fill the core registers with known values. */ \n"
|
||||
" movs r1, #201 \n"
|
||||
" movs r2, #202 \n"
|
||||
" movs r3, #203 \n"
|
||||
" movs r4, #204 \n"
|
||||
" movs r5, #205 \n"
|
||||
" movs r6, #206 \n"
|
||||
" movs r7, #207 \n"
|
||||
" movs r0, #208 \n"
|
||||
" mov r8, r0 \n"
|
||||
" movs r0, #209 \n"
|
||||
" mov r9, r0 \n"
|
||||
" movs r0, #210 \n"
|
||||
" mov r10, r0 \n"
|
||||
" movs r0, #211 \n"
|
||||
" mov r11, r0 \n"
|
||||
" movs r0, #212 \n"
|
||||
" mov r12, r0 \n"
|
||||
" movs r0, #200 \n"
|
||||
" \n"
|
||||
" /* Force a context switch by pending non-secure sv. */ \n"
|
||||
" push { r0, r1 } \n"
|
||||
" movs r0, #0x01 \n"
|
||||
" ldr r1, =0xe002ed04 \n" /* NVIC_ICSR_NS. */
|
||||
" lsls r0, #28 \n" /* Shift to PendSV bit. */
|
||||
" str r0, [r1] \n"
|
||||
" dsb \n"
|
||||
" pop { r0, r1 } \n"
|
||||
" \n"
|
||||
" /* Verify that core registers contain correct values. */ \n"
|
||||
" cmp r0, #200 \n"
|
||||
" bne secure_reg_test_error_loop \n"
|
||||
" cmp r1, #201 \n"
|
||||
" bne secure_reg_test_error_loop \n"
|
||||
" cmp r2, #202 \n"
|
||||
" bne secure_reg_test_error_loop \n"
|
||||
" cmp r3, #203 \n"
|
||||
" bne secure_reg_test_error_loop \n"
|
||||
" cmp r4, #204 \n"
|
||||
" bne secure_reg_test_error_loop \n"
|
||||
" cmp r5, #205 \n"
|
||||
" bne secure_reg_test_error_loop \n"
|
||||
" cmp r6, #206 \n"
|
||||
" bne secure_reg_test_error_loop \n"
|
||||
" cmp r7, #207 \n"
|
||||
" bne secure_reg_test_error_loop \n"
|
||||
" movs r0, #208 \n"
|
||||
" cmp r8, r0 \n"
|
||||
" bne secure_reg_test_error_loop \n"
|
||||
" movs r0, #209 \n"
|
||||
" cmp r9, r0 \n"
|
||||
" bne secure_reg_test_error_loop \n"
|
||||
" movs r0, #210 \n"
|
||||
" cmp r10, r0 \n"
|
||||
" bne secure_reg_test_error_loop \n"
|
||||
" movs r0, #211 \n"
|
||||
" cmp r11, r0 \n"
|
||||
" bne secure_reg_test_error_loop \n"
|
||||
" movs r0, #212 \n"
|
||||
" cmp r12, r0 \n"
|
||||
" bne secure_reg_test_error_loop \n"
|
||||
" \n"
|
||||
" /* Everything passed, finish. */ \n"
|
||||
" b secure_reg_test_success \n"
|
||||
" \n"
|
||||
"secure_reg_test_error_loop: \n"
|
||||
" /* If this line is hit then there was an error in \n"
|
||||
" * a core register value. The loop ensures the \n"
|
||||
" * loop counter stops incrementing. */ \n"
|
||||
" b secure_reg_test_error_loop \n"
|
||||
" nop \n"
|
||||
" \n"
|
||||
"secure_reg_test_success: \n"
|
||||
" /* Restore callee saved registers. */ \n"
|
||||
" pop { r0-r4 } \n"
|
||||
" mov r8, r0 \n"
|
||||
" mov r9, r1 \n"
|
||||
" mov r10, r2 \n"
|
||||
" mov r11, r3 \n"
|
||||
" mov r12, r4 \n"
|
||||
" pop { r4-r7 } \n"
|
||||
);
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
secureportNON_SECURE_CALLABLE void vRegTest_NonSecureCallback( RegTestCallback_t pxRegTestCallback )
|
||||
{
|
||||
NonSecureRegTestCallback_t pxNonSecureRegTestCallback;
|
||||
|
||||
/* Return function pointer with cleared LSB. */
|
||||
pxNonSecureRegTestCallback = ( NonSecureRegTestCallback_t ) cmse_nsfptr_create( pxRegTestCallback );
|
||||
|
||||
/* Invoke the callback which runs reg tests. */
|
||||
pxNonSecureRegTestCallback();
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
|
@ -0,0 +1,49 @@
|
|||
/*
|
||||
* FreeRTOS V202212.00
|
||||
* Copyright (C) 2020 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.
|
||||
*
|
||||
* https://www.FreeRTOS.org
|
||||
* https://github.com/FreeRTOS
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef SECURE_REG_TEST_ASM_H
|
||||
#define SECURE_REG_TEST_ASM_H
|
||||
|
||||
/* Callback function pointer definition. */
|
||||
typedef void ( * RegTestCallback_t )( void );
|
||||
|
||||
/**
|
||||
* @brief Function that implements reg tests for the secure side.
|
||||
*
|
||||
* This function is exported as "non-secure callable" and is called
|
||||
* from a FreeRTOS task on the non-secure side.
|
||||
*/
|
||||
void vRegTestAsm_Secure( void );
|
||||
|
||||
/**
|
||||
* @brief Invokes the supplied reg test callback on the non-secure side.
|
||||
*
|
||||
* This function is exported as "non-secure callable" and is called
|
||||
* from a FreeRTOS task on the non-secure side..
|
||||
*/
|
||||
void vRegTest_NonSecureCallback( RegTestCallback_t pxRegTestCallback );
|
||||
|
||||
#endif /* SECURE_REG_TEST_ASM_H */
|
||||
|
|
@ -0,0 +1,46 @@
|
|||
/*
|
||||
* FreeRTOS V202212.00
|
||||
* Copyright (C) 2020 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.
|
||||
*
|
||||
* https://www.FreeRTOS.org
|
||||
* https://github.com/FreeRTOS
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef REG_TEST_ASM_H
|
||||
#define REG_TEST_ASM_H
|
||||
|
||||
/**
|
||||
* @brief Functions that implement reg tests in assembly.
|
||||
*
|
||||
* These are called from the FreeRTOS tasks on the non-secure side.
|
||||
*/
|
||||
void vRegTest1Asm_NonSecure( void ) __attribute__( ( naked ) );
|
||||
void vRegTest2Asm_NonSecure( void ) __attribute__( ( naked ) );
|
||||
|
||||
/**
|
||||
* @brief Function that implements reg tests in assembly.
|
||||
*
|
||||
* This is passed as function pointer to the secure side and called
|
||||
* from the secure side.
|
||||
*/
|
||||
void vRegTestAsm_NonSecureCallback( void );
|
||||
|
||||
#endif /* REG_TEST_ASM_H */
|
||||
|
|
@ -0,0 +1,298 @@
|
|||
/*
|
||||
* FreeRTOS V202212.00
|
||||
* Copyright (C) 2020 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.
|
||||
*
|
||||
* https://www.FreeRTOS.org
|
||||
* https://github.com/FreeRTOS
|
||||
*
|
||||
*/
|
||||
|
||||
/*
|
||||
* "Reg tests" - These tests fill the registers with known values, then check
|
||||
* that each register maintains its expected value for the lifetime of the
|
||||
* task. Each task uses a different set of values. The reg test tasks execute
|
||||
* with a very low priority, so get preempted very frequently. A register
|
||||
* containing an unexpected value is indicative of an error in the context
|
||||
* switching mechanism.
|
||||
*/
|
||||
|
||||
SECTION .text:CODE:NOROOT(2)
|
||||
THUMB
|
||||
|
||||
EXTERN ulRegTest1LoopCounter
|
||||
EXTERN ulRegTest2LoopCounter
|
||||
|
||||
PUBLIC vRegTest1Asm_NonSecure
|
||||
PUBLIC vRegTest2Asm_NonSecure
|
||||
PUBLIC vRegTestAsm_NonSecureCallback
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
vRegTest1Asm_NonSecure:
|
||||
/* Fill the core registers with known values. */
|
||||
movs r1, #101
|
||||
movs r2, #102
|
||||
movs r3, #103
|
||||
movs r4, #104
|
||||
movs r5, #105
|
||||
movs r6, #106
|
||||
movs r7, #107
|
||||
movs r0, #108
|
||||
mov r8, r0
|
||||
movs r0, #109
|
||||
mov r9, r0
|
||||
movs r0, #110
|
||||
mov r10, r0
|
||||
movs r0, #111
|
||||
mov r11, r0
|
||||
movs r0, #112
|
||||
mov r12, r0
|
||||
movs r0, #100
|
||||
|
||||
reg1_loop:
|
||||
/* Verify that core registers contain correct values. */
|
||||
cmp r0, #100
|
||||
bne reg1_error_loop
|
||||
cmp r1, #101
|
||||
bne reg1_error_loop
|
||||
cmp r2, #102
|
||||
bne reg1_error_loop
|
||||
cmp r3, #103
|
||||
bne reg1_error_loop
|
||||
cmp r4, #104
|
||||
bne reg1_error_loop
|
||||
cmp r5, #105
|
||||
bne reg1_error_loop
|
||||
cmp r6, #106
|
||||
bne reg1_error_loop
|
||||
cmp r7, #107
|
||||
bne reg1_error_loop
|
||||
movs r0, #108
|
||||
cmp r8, r0
|
||||
bne reg1_error_loop
|
||||
movs r0, #109
|
||||
cmp r9, r0
|
||||
bne reg1_error_loop
|
||||
movs r0, #110
|
||||
cmp r10, r0
|
||||
bne reg1_error_loop
|
||||
movs r0, #111
|
||||
cmp r11, r0
|
||||
bne reg1_error_loop
|
||||
movs r0, #112
|
||||
cmp r12, r0
|
||||
bne reg1_error_loop
|
||||
|
||||
/* Everything passed, inc the loop counter. */
|
||||
push { r1 }
|
||||
ldr r0, =ulRegTest1LoopCounter
|
||||
ldr r1, [r0]
|
||||
adds r1, r1, #1
|
||||
str r1, [r0]
|
||||
|
||||
/* Yield to increase test coverage. */
|
||||
movs r0, #0x01
|
||||
ldr r1, =0xe000ed04 /* NVIC_ICSR. */
|
||||
lsls r0, r0, #28 /* Shift to PendSV bit. */
|
||||
str r0, [r1]
|
||||
dsb
|
||||
pop { r1 }
|
||||
|
||||
/* Start again. */
|
||||
movs r0, #100
|
||||
b reg1_loop
|
||||
|
||||
reg1_error_loop:
|
||||
/* If this line is hit then there was an error in
|
||||
* a core register value. The loop ensures the
|
||||
* loop counter stops incrementing. */
|
||||
b reg1_error_loop
|
||||
nop
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
vRegTest2Asm_NonSecure:
|
||||
/* Fill the core registers with known values. */
|
||||
movs r1, #1
|
||||
movs r2, #2
|
||||
movs r3, #3
|
||||
movs r4, #4
|
||||
movs r5, #5
|
||||
movs r6, #6
|
||||
movs r7, #7
|
||||
movs r0, #8
|
||||
mov r8, r0
|
||||
movs r0, #9
|
||||
mov r9, r0
|
||||
movs r0, #10
|
||||
mov r10, r0
|
||||
movs r0, #11
|
||||
mov r11, r0
|
||||
movs r0, #12
|
||||
mov r12, r0
|
||||
movs r0, #10
|
||||
|
||||
reg2_loop:
|
||||
/* Verify that core registers contain correct values. */
|
||||
cmp r0, #10
|
||||
bne reg2_error_loop
|
||||
cmp r1, #1
|
||||
bne reg2_error_loop
|
||||
cmp r2, #2
|
||||
bne reg2_error_loop
|
||||
cmp r3, #3
|
||||
bne reg2_error_loop
|
||||
cmp r4, #4
|
||||
bne reg2_error_loop
|
||||
cmp r5, #5
|
||||
bne reg2_error_loop
|
||||
cmp r6, #6
|
||||
bne reg2_error_loop
|
||||
cmp r7, #7
|
||||
bne reg2_error_loop
|
||||
movs r0, #8
|
||||
cmp r8, r0
|
||||
bne reg2_error_loop
|
||||
movs r0, #9
|
||||
cmp r9, r0
|
||||
bne reg2_error_loop
|
||||
movs r0, #10
|
||||
cmp r10, r0
|
||||
bne reg2_error_loop
|
||||
movs r0, #11
|
||||
cmp r11, r0
|
||||
bne reg2_error_loop
|
||||
movs r0, #12
|
||||
cmp r12, r0
|
||||
bne reg2_error_loop
|
||||
|
||||
/* Everything passed, inc the loop counter. */
|
||||
push { r1 }
|
||||
ldr r0, =ulRegTest2LoopCounter
|
||||
ldr r1, [r0]
|
||||
adds r1, r1, #1
|
||||
str r1, [r0]
|
||||
pop { r1 }
|
||||
|
||||
/* Start again. */
|
||||
movs r0, #10
|
||||
b reg2_loop
|
||||
|
||||
reg2_error_loop:
|
||||
/* If this line is hit then there was an error in
|
||||
* a core register value. The loop ensures the
|
||||
* loop counter stops incrementing. */
|
||||
b reg2_error_loop
|
||||
nop
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
vRegTestAsm_NonSecureCallback:
|
||||
/* Store callee saved registers. */
|
||||
push { r4-r7 }
|
||||
mov r0, r8
|
||||
mov r1, r9
|
||||
mov r2, r10
|
||||
mov r3, r11
|
||||
mov r4, r12
|
||||
push { r0-r4 }
|
||||
|
||||
/* Fill the core registers with known values. */
|
||||
movs r1, #151
|
||||
movs r2, #152
|
||||
movs r3, #153
|
||||
movs r4, #154
|
||||
movs r5, #155
|
||||
movs r6, #156
|
||||
movs r7, #157
|
||||
movs r0, #158
|
||||
mov r8, r0
|
||||
movs r0, #159
|
||||
mov r9, r0
|
||||
movs r0, #160
|
||||
mov r10, r0
|
||||
movs r0, #161
|
||||
mov r11, r0
|
||||
movs r0, #162
|
||||
mov r12, r0
|
||||
movs r0, #150
|
||||
|
||||
/* Force a context switch by pending non-secure sv. */
|
||||
push { r0, r1 }
|
||||
movs r0, #0x01
|
||||
ldr r1, =0xe000ed04 /* NVIC_ICSR. */
|
||||
lsls r0, r0, #28 /* Shift to PendSV bit. */
|
||||
str r0, [r1]
|
||||
dsb
|
||||
pop { r0, r1 }
|
||||
|
||||
/* Verify that core registers contain correct values. */
|
||||
cmp r0, #150
|
||||
bne reg_nscb_error_loop
|
||||
cmp r1, #151
|
||||
bne reg_nscb_error_loop
|
||||
cmp r2, #152
|
||||
bne reg_nscb_error_loop
|
||||
cmp r3, #153
|
||||
bne reg_nscb_error_loop
|
||||
cmp r4, #154
|
||||
bne reg_nscb_error_loop
|
||||
cmp r5, #155
|
||||
bne reg_nscb_error_loop
|
||||
cmp r6, #156
|
||||
bne reg_nscb_error_loop
|
||||
cmp r7, #157
|
||||
bne reg_nscb_error_loop
|
||||
movs r0, #158
|
||||
cmp r8, r0
|
||||
bne reg_nscb_error_loop
|
||||
movs r0, #159
|
||||
cmp r9, r0
|
||||
bne reg_nscb_error_loop
|
||||
movs r0, #160
|
||||
cmp r10, r0
|
||||
bne reg_nscb_error_loop
|
||||
movs r0, #161
|
||||
cmp r11, r0
|
||||
bne reg_nscb_error_loop
|
||||
movs r0, #162
|
||||
cmp r12, r0
|
||||
bne reg_nscb_error_loop
|
||||
|
||||
/* Everything passed, finish. */
|
||||
b reg_nscb_success
|
||||
|
||||
reg_nscb_error_loop:
|
||||
/* If this line is hit then there was an error in
|
||||
* a core register value. The loop ensures the
|
||||
* loop counter stops incrementing. */
|
||||
b reg_nscb_error_loop
|
||||
nop
|
||||
|
||||
reg_nscb_success:
|
||||
/* Restore callee saved registers. */
|
||||
pop { r0-r4 }
|
||||
mov r8, r0
|
||||
mov r9, r1
|
||||
mov r10, r2
|
||||
mov r11, r3
|
||||
mov r12, r4
|
||||
pop { r4-r7 }
|
||||
bx lr
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
END
|
||||
|
|
@ -0,0 +1,61 @@
|
|||
/*
|
||||
* FreeRTOS V202212.00
|
||||
* Copyright (C) 2020 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.
|
||||
*
|
||||
* https://www.FreeRTOS.org
|
||||
* https://github.com/FreeRTOS
|
||||
*
|
||||
*/
|
||||
|
||||
/* Standard includes. */
|
||||
#include <stdint.h>
|
||||
#include <arm_cmse.h>
|
||||
|
||||
/* Interface includes. */
|
||||
#include "secure_reg_test_asm.h"
|
||||
|
||||
/* FreeRTOS includes. */
|
||||
#include "secure_port_macros.h"
|
||||
|
||||
/* Implemented in assembly. */
|
||||
extern void vRegTestAsm_SecureImpl( void );
|
||||
|
||||
/* typedef for non-secure callback function. */
|
||||
typedef __cmse_nonsecure_call void ( * NonSecureRegTestCallback_t ) ( void );
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
secureportNON_SECURE_CALLABLE void vRegTestAsm_Secure( void )
|
||||
{
|
||||
/* Call the function implemented in assembly. */
|
||||
vRegTestAsm_SecureImpl();
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
secureportNON_SECURE_CALLABLE void vRegTest_NonSecureCallback( RegTestCallback_t pxRegTestCallback )
|
||||
{
|
||||
NonSecureRegTestCallback_t pxNonSecureRegTestCallback;
|
||||
|
||||
/* Return function pointer with cleared LSB. */
|
||||
pxNonSecureRegTestCallback = ( NonSecureRegTestCallback_t ) cmse_nsfptr_create( pxRegTestCallback );
|
||||
|
||||
/* Invoke the callback which runs reg tests. */
|
||||
pxNonSecureRegTestCallback();
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
|
@ -0,0 +1,49 @@
|
|||
/*
|
||||
* FreeRTOS V202212.00
|
||||
* Copyright (C) 2020 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.
|
||||
*
|
||||
* https://www.FreeRTOS.org
|
||||
* https://github.com/FreeRTOS
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef SECURE_REG_TEST_ASM_H
|
||||
#define SECURE_REG_TEST_ASM_H
|
||||
|
||||
/* Callback function pointer definition. */
|
||||
typedef void ( * RegTestCallback_t )( void );
|
||||
|
||||
/**
|
||||
* @brief Function that implements reg tests for the secure side.
|
||||
*
|
||||
* This function is exported as "non-secure callable" and is called
|
||||
* from a FreeRTOS task on the non-secure side.
|
||||
*/
|
||||
void vRegTestAsm_Secure( void );
|
||||
|
||||
/**
|
||||
* @brief Invokes the supplied reg test callback on the non-secure side.
|
||||
*
|
||||
* This function is exported as "non-secure callable" and is called
|
||||
* from a FreeRTOS task on the non-secure side..
|
||||
*/
|
||||
void vRegTest_NonSecureCallback( RegTestCallback_t pxRegTestCallback );
|
||||
|
||||
#endif /* SECURE_REG_TEST_ASM_H */
|
||||
|
|
@ -0,0 +1,127 @@
|
|||
/*
|
||||
* FreeRTOS V202212.00
|
||||
* Copyright (C) 2020 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.
|
||||
*
|
||||
* https://www.FreeRTOS.org
|
||||
* https://github.com/FreeRTOS
|
||||
*
|
||||
*/
|
||||
|
||||
SECTION .text:CODE:NOROOT(2)
|
||||
THUMB
|
||||
|
||||
PUBLIC vRegTestAsm_SecureImpl
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
vRegTestAsm_SecureImpl:
|
||||
/* Store callee saved registers. */
|
||||
push { r4-r7 }
|
||||
mov r0, r8
|
||||
mov r1, r9
|
||||
mov r2, r10
|
||||
mov r3, r11
|
||||
mov r4, r12
|
||||
push { r0-r4 }
|
||||
|
||||
/* Fill the core registers with known values. */
|
||||
movs r1, #201
|
||||
movs r2, #202
|
||||
movs r3, #203
|
||||
movs r4, #204
|
||||
movs r5, #205
|
||||
movs r6, #206
|
||||
movs r7, #207
|
||||
movs r0, #208
|
||||
mov r8, r0
|
||||
movs r0, #209
|
||||
mov r9, r0
|
||||
movs r0, #210
|
||||
mov r10, r0
|
||||
movs r0, #211
|
||||
mov r11, r0
|
||||
movs r0, #212
|
||||
mov r12, r0
|
||||
movs r0, #200
|
||||
|
||||
/* Force a context switch by pending non-secure sv. */
|
||||
push { r0, r1 }
|
||||
movs r0, #0x01
|
||||
ldr r1, =0xe002ed04 /* NVIC_ICSR_NS. */
|
||||
lsls r0, r0, #28 /* Shift to PendSV bit. */
|
||||
str r0, [r1]
|
||||
dsb
|
||||
pop { r0, r1 }
|
||||
|
||||
/* Verify that core registers contain correct values. */
|
||||
cmp r0, #200
|
||||
bne secure_reg_test_error_loop
|
||||
cmp r1, #201
|
||||
bne secure_reg_test_error_loop
|
||||
cmp r2, #202
|
||||
bne secure_reg_test_error_loop
|
||||
cmp r3, #203
|
||||
bne secure_reg_test_error_loop
|
||||
cmp r4, #204
|
||||
bne secure_reg_test_error_loop
|
||||
cmp r5, #205
|
||||
bne secure_reg_test_error_loop
|
||||
cmp r6, #206
|
||||
bne secure_reg_test_error_loop
|
||||
cmp r7, #207
|
||||
bne secure_reg_test_error_loop
|
||||
movs r0, #208
|
||||
cmp r8, r0
|
||||
bne secure_reg_test_error_loop
|
||||
movs r0, #209
|
||||
cmp r9, r0
|
||||
bne secure_reg_test_error_loop
|
||||
movs r0, #210
|
||||
cmp r10, r0
|
||||
bne secure_reg_test_error_loop
|
||||
movs r0, #211
|
||||
cmp r11, r0
|
||||
bne secure_reg_test_error_loop
|
||||
movs r0, #212
|
||||
cmp r12, r0
|
||||
bne secure_reg_test_error_loop
|
||||
|
||||
/* Everything passed, finish. */
|
||||
b secure_reg_test_success
|
||||
|
||||
secure_reg_test_error_loop:
|
||||
/* If this line is hit then there was an error in
|
||||
* a core register value. The loop ensures the
|
||||
* loop counter stops incrementing. */
|
||||
b secure_reg_test_error_loop
|
||||
nop
|
||||
|
||||
secure_reg_test_success:
|
||||
/* Restore callee saved registers. */
|
||||
pop { r0-r4 }
|
||||
mov r8, r0
|
||||
mov r9, r1
|
||||
mov r10, r2
|
||||
mov r11, r3
|
||||
mov r12, r4
|
||||
pop { r4-r7 }
|
||||
bx lr
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
END
|
||||
Loading…
Add table
Add a link
Reference in a new issue