/* | |
* FreeRTOS Kernel V10.0.0 | |
* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. | |
* | |
* Permission is hereby granted, free of charge, to any person obtaining a copy of | |
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* 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. If you wish to use our Amazon | |
* FreeRTOS name, please do so in a fair use way that does not cause confusion. | |
* | |
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* | |
* http://www.FreeRTOS.org | |
* http://aws.amazon.com/freertos | |
* | |
* 1 tab == 4 spaces! | |
*/ | |
PUBLIC _prvRegTest1Implementation | |
PUBLIC _prvRegTest2Implementation | |
EXTERN _ulRegTest1CycleCount | |
EXTERN _ulRegTest2CycleCount | |
RSEG CODE:CODE(4) | |
/* This function is explained in the comments at the top of main.c. */ | |
_prvRegTest1Implementation: | |
/* Put a known value in each register. */ | |
MOV #1, R1 | |
MOV #2, R2 | |
MOV #3, R3 | |
MOV #4, R4 | |
MOV #5, R5 | |
MOV #6, R6 | |
MOV #7, R7 | |
MOV #8, R8 | |
MOV #9, R9 | |
MOV #10, R10 | |
MOV #11, R11 | |
MOV #12, R12 | |
MOV #13, R13 | |
MOV #14, R14 | |
MOV #15, R15 | |
/* Loop, checking each iteration that each register still contains the | |
expected value. */ | |
TestLoop1: | |
/* Push the registers that are going to get clobbered. */ | |
PUSHM R14-R15 | |
/* Increment the loop counter to show this task is still getting CPU time. */ | |
MOV #_ulRegTest1CycleCount, R14 | |
MOV [ R14 ], R15 | |
ADD #1, R15 | |
MOV R15, [ R14 ] | |
/* Yield to extend the text coverage. Set the bit in the ITU SWINTR register. */ | |
MOV #1, R14 | |
MOV #0872E0H, R15 | |
MOV.B R14, [R15] | |
NOP | |
NOP | |
/* Restore the clobbered registers. */ | |
POPM R14-R15 | |
/* Now compare each register to ensure it still contains the value that was | |
set before this loop was entered. */ | |
CMP #1, R1 | |
BNE RegTest1Error | |
CMP #2, R2 | |
BNE RegTest1Error | |
CMP #3, R3 | |
BNE RegTest1Error | |
CMP #4, R4 | |
BNE RegTest1Error | |
CMP #5, R5 | |
BNE RegTest1Error | |
CMP #6, R6 | |
BNE RegTest1Error | |
CMP #7, R7 | |
BNE RegTest1Error | |
CMP #8, R8 | |
BNE RegTest1Error | |
CMP #9, R9 | |
BNE RegTest1Error | |
CMP #10, R10 | |
BNE RegTest1Error | |
CMP #11, R11 | |
BNE RegTest1Error | |
CMP #12, R12 | |
BNE RegTest1Error | |
CMP #13, R13 | |
BNE RegTest1Error | |
CMP #14, R14 | |
BNE RegTest1Error | |
CMP #15, R15 | |
BNE RegTest1Error | |
/* All comparisons passed, start a new itteratio of this loop. */ | |
BRA TestLoop1 | |
RegTest1Error: | |
/* A compare failed, just loop here so the loop counter stops incrementing | |
- causing the check task to indicate the error. */ | |
BRA RegTest1Error | |
/*-----------------------------------------------------------*/ | |
/* This function is explained in the comments at the top of main.c. */ | |
_prvRegTest2Implementation: | |
/* Put a known value in each register. */ | |
MOV #10H, R1 | |
MOV #20H, R2 | |
MOV #30H, R3 | |
MOV #40H, R4 | |
MOV #50H, R5 | |
MOV #60H, R6 | |
MOV #70H, R7 | |
MOV #80H, R8 | |
MOV #90H, R9 | |
MOV #100H, R10 | |
MOV #110H, R11 | |
MOV #120H, R12 | |
MOV #130H, R13 | |
MOV #140H, R14 | |
MOV #150H, R15 | |
/* Loop, checking each iteration that each register still contains the | |
expected value. */ | |
TestLoop2: | |
/* Push the registers that are going to get clobbered. */ | |
PUSHM R14-R15 | |
/* Increment the loop counter to show this task is still getting CPU time. */ | |
MOV #_ulRegTest2CycleCount, R14 | |
MOV [ R14 ], R15 | |
ADD #1, R15 | |
MOV R15, [ R14 ] | |
/* Restore the clobbered registers. */ | |
POPM R14-R15 | |
/* Now compare each register to ensure it still contains the value that was | |
set before this loop was entered. */ | |
CMP #10H, R1 | |
BNE RegTest2Error | |
CMP #20H, R2 | |
BNE RegTest2Error | |
CMP #30H, R3 | |
BNE RegTest2Error | |
CMP #40H, R4 | |
BNE RegTest2Error | |
CMP #50H, R5 | |
BNE RegTest2Error | |
CMP #60H, R6 | |
BNE RegTest2Error | |
CMP #70H, R7 | |
BNE RegTest2Error | |
CMP #80H, R8 | |
BNE RegTest2Error | |
CMP #90H, R9 | |
BNE RegTest2Error | |
CMP #100H, R10 | |
BNE RegTest2Error | |
CMP #110H, R11 | |
BNE RegTest2Error | |
CMP #120H, R12 | |
BNE RegTest2Error | |
CMP #130H, R13 | |
BNE RegTest2Error | |
CMP #140H, R14 | |
BNE RegTest2Error | |
CMP #150H, R15 | |
BNE RegTest2Error | |
/* All comparisons passed, start a new itteratio of this loop. */ | |
BRA TestLoop2 | |
RegTest2Error: | |
/* A compare failed, just loop here so the loop counter stops incrementing | |
- causing the check task to indicate the error. */ | |
BRA RegTest2Error | |
END |