;/* ; * FreeRTOS Kernel V10.3.0 ; * 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. ; * ; * http://www.FreeRTOS.org ; * http://aws.amazon.com/freertos ; * ; * 1 tab == 4 spaces! ; */ .thumb .ref ulRegTest1LoopCounter .ref ulRegTest2LoopCounter .def vRegTest1Implementation .def vRegTest2Implementation ulRegTest1LoopCounterConst: .word ulRegTest1LoopCounter ulRegTest2LoopCounterConst: .word ulRegTest2LoopCounter ulNVIC_INT_CTRL: .word 0xe000ed04 ;/*-----------------------------------------------------------*/ .align 4 vRegTest1Implementation: .asmfunc ;/* Fill the core registers with known values. */ mov r0, #100 mov r1, #101 mov r2, #102 mov r3, #103 mov r4, #104 mov r5, #105 mov r6, #106 mov r7, #107 mov r8, #108 mov r9, #109 mov r10, #110 mov r11, #111 mov r12, #112 reg1_loop: 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 cmp r8, #108 bne reg1_error_loop cmp r9, #109 bne reg1_error_loop cmp r10, #110 bne reg1_error_loop cmp r11, #111 bne reg1_error_loop cmp r12, #112 bne reg1_error_loop ;/* Everything passed, increment the loop counter. */ push { r0-r1 } ldr r0, ulRegTest1LoopCounterConst ldr r1, [r0] adds r1, r1, #1 str r1, [r0] pop { r0-r1 } ;/* Start again. */ 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 .endasmfunc ;/*-----------------------------------------------------------*/ .align 4 vRegTest2Implementation: .asmfunc ;/* Set all the core registers to known values. */ mov r0, #-1 mov r1, #1 mov r2, #2 mov r3, #3 mov r4, #4 mov r5, #5 mov r6, #6 mov r7, #7 mov r8, #8 mov r9, #9 mov r10, #10 mov r11, #11 mov r12, #12 reg2_loop: cmp r0, #-1 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 cmp r8, #8 bne reg2_error_loop cmp r9, #9 bne reg2_error_loop cmp r10, #10 bne reg2_error_loop cmp r11, #11 bne reg2_error_loop cmp r12, #12 bne reg2_error_loop ;/* Increment the loop counter to indicate this test is still functioning ;correctly. */ push { r0-r1 } ldr r0, ulRegTest2LoopCounterConst ldr r1, [r0] adds r1, r1, #1 str r1, [r0] ;/* Yield to increase test coverage. */ movs r0, #0x01 ldr r1, ulNVIC_INT_CTRL lsl r0, r0, #28 ;/* Shift to PendSV bit */ str r0, [r1] dsb pop { r0-r1 } ;/* Start again. */ b reg2_loop reg2_error_loop: ;/* If this line is hit then there was an error in a core register value. ;This loop ensures the loop counter variable stops incrementing. */ b reg2_error_loop ;/*-----------------------------------------------------------*/ .end