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/*
* 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!
*/
PUBLIC _vRegTest1Implementation
PUBLIC _vRegTest2Implementation
EXTERN _ulRegTest1LoopCounter
EXTERN _ulRegTest2LoopCounter
RSEG CODE:CODE(4)
/* This function is explained in the comments at the top of main.c. */
_vRegTest1Implementation:
;/* Put a known value in the guard byte of the accumulators. */
MOV.L #10, R1
MVTACGU R1, A0
MOV.L #20, R1
MVTACGU R1, A1
/* 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
;/* Put a known value in the hi and low of the accumulators. */
MVTACHI R1, A0
MVTACLO R2, A0
MVTACHI R3, A1
MVTACLO R4, A1
/* 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 #_ulRegTest1LoopCounter, 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
;/* Check accumulators. */
MVFACHI #0, A0, R15
CMP #1, R15
BNE RegTest1Error
MVFACLO #0, A0, R15
CMP #2, R15
BNE RegTest1Error
MVFACGU #0, A0, R15
CMP #10, R15
BNE RegTest1Error
MVFACHI #0, A1, R15
CMP #3, R15
BNE RegTest1Error
MVFACLO #0, A1, R15
CMP #4, R15
BNE RegTest1Error
MVFACGU #0, A1, R15
CMP #20, R15
BNE RegTest1Error
/* 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. */
_vRegTest2Implementation:
;/* Put a known value in the guard byte of the accumulators. */
MOV.L #1H, R1
MVTACGU R1, A0
MOV.L #2H, R1
MVTACGU R1, A1
/* 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
;/* Put a known value in the hi and low of the accumulators. */
MVTACHI R1, A0
MVTACLO R2, A0
MVTACHI R3, A1
MVTACLO R4, A1
/* 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 #_ulRegTest2LoopCounter, R14
MOV [ R14 ], R15
ADD #1, R15
MOV R15, [ R14 ]
;/* Check accumulators. */
MVFACHI #0, A0, R15
CMP #10H, R15
BNE RegTest1Error
MVFACLO #0, A0, R15
CMP #20H, R15
BNE RegTest1Error
MVFACGU #0, A0, R15
CMP #1H, R15
BNE RegTest1Error
MVFACHI #0, A1, R15
CMP #30H, R15
BNE RegTest1Error
MVFACLO #0, A1, R15
CMP #40H, R15
BNE RegTest1Error
MVFACGU #0, A1, R15
CMP #2H, R15
BNE RegTest1Error
/* 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