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/*
* 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!
*/
PUBLIC _vRegTest1Implementation
PUBLIC _vRegTest2Implementation
EXTERN _ulRegTest1CycleCount
EXTERN _ulRegTest2CycleCount
RSEG CODE:CODE(4)
_vRegTest1Implementation:
/* Set each register to a known value. */
MOV.L #0x33333333, R15
MVTACHI R15
MOV.L #0x44444444, R15
MVTACLO R15
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
/* 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 #_ulRegTest1CycleCount, 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 the accumulator value. */
MVFACHI R15
CMP #0x33333333, R15
BNE RegTest2Error
MVFACMI R15
CMP #0x33334444, R15
BNE RegTest2Error
/* 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 iteration of this loop. */
BRA TestLoop1
/* A compare failed, just loop here so the loop counter stops
incrementing causing the check timer to indicate the error. */
RegTest1Error:
BRA RegTest1Error
/*-----------------------------------------------------------*/
_vRegTest2Implementation:
/* Set each register to a known value. */
MOV.L #0x11111111, R15
MVTACHI R15
MOV.L #0x22222222, R15
MVTACLO R15
MOV.L #100, R1
MOV.L #200, R2
MOV.L #300, R3
MOV.L #400, R4
MOV.L #500, R5
MOV.L #600, R6
MOV.L #700, R7
MOV.L #800, R8
MOV.L #900, R9
MOV.L #1000, R10
MOV.L #1001, R11
MOV.L #1002, R12
MOV.L #1003, R13
MOV.L #1004, R14
MOV.L #1005, 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.L #_ulRegTest2CycleCount, R14
MOV.L [ R14 ], R15
ADD #1, R15
MOV.L R15, [ R14 ]
/* Check the accumulator value. */
MVFACHI R15
CMP #0x11111111, R15
BNE RegTest2Error
MVFACMI R15
CMP #0x11112222, R15
BNE RegTest2Error
/* 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 #100, R1
BNE RegTest2Error
CMP #200, R2
BNE RegTest2Error
CMP #300, R3
BNE RegTest2Error
CMP #400, R4
BNE RegTest2Error
CMP #500, R5
BNE RegTest2Error
CMP #600, R6
BNE RegTest2Error
CMP #700, R7
BNE RegTest2Error
CMP #800, R8
BNE RegTest2Error
CMP #900, R9
BNE RegTest2Error
CMP #1000, R10
BNE RegTest2Error
CMP #1001, R11
BNE RegTest2Error
CMP #1002, R12
BNE RegTest2Error
CMP #1003, R13
BNE RegTest2Error
CMP #1004, R14
BNE RegTest2Error
CMP #1005, R15
BNE RegTest2Error
/* All comparisons passed, start a new iteration of this loop. */
BRA TestLoop2
/* A compare failed, just loop here so the loop counter stops
incrementing causing the check timer to indicate the error. */
RegTest2Error:
BRA RegTest2Error
/*-----------------------------------------------------------*/
END