blob: cb03ef6870a27763354d5e32a4de3c783d143899 [file] [log] [blame]
;/*
; * FreeRTOS Kernel V10.2.0
; * Copyright (C) 2019 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!
; */
.global _vRegTest1Implementation
.global _vRegTest2Implementation
.extern _ulRegTest1LoopCounter
.extern _ulRegTest2LoopCounter
.text
;/* 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.L #1, R1
MOV.L #2, R2
MOV.L #3, R3
MOV.L #4, R4
MOV.L #5, R5
MOV.L #6, R6
MOV.L #7, R7
MOV.L #8, R8
MOV.L #9, R9
MOV.L #10, R10
MOV.L #11, R11
MOV.L #12, R12
MOV.L #13, R13
MOV.L #14, R14
MOV.L #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.L #_ulRegTest1LoopCounter, R14
MOV.L [ R14 ], R15
ADD #1, R15
MOV.L R15, [ R14 ]
;/* Yield to extend the text coverage. Set the bit in the ITU SWINTR register. */
MOV.L #1, R14
MOV.L #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 general purpose register. */
MOV.L #10H, R1
MOV.L #20H, R2
MOV.L #30H, R3
MOV.L #40H, R4
MOV.L #50H, R5
MOV.L #60H, R6
MOV.L #70H, R7
MOV.L #80H, R8
MOV.L #90H, R9
MOV.L #100H, R10
MOV.L #110H, R11
MOV.L #120H, R12
MOV.L #130H, R13
MOV.L #140H, R14
MOV.L #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.L #_ulRegTest2LoopCounter, R14
MOV.L [ R14 ], R15
ADD #1, R15
MOV.L 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