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|
;/*
; FreeRTOS V8.1.0 - Copyright (C) 2014 Real Time Engineers Ltd.
; All rights reserved
;
; VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
;
; ***************************************************************************
; * *
; * FreeRTOS provides completely free yet professionally developed, *
; * robust, strictly quality controlled, supported, and cross *
; * platform software that has become a de facto standard. *
; * *
; * Help yourself get started quickly and support the FreeRTOS *
; * project by purchasing a FreeRTOS tutorial book, reference *
; * manual, or both from: http://www.FreeRTOS.org/Documentation *
; * *
; * Thank you! *
; * *
; ***************************************************************************
;
; This file is part of the FreeRTOS distribution.
;
; FreeRTOS is free software; you can redistribute it and/or modify it under
; the terms of the GNU General Public License (version 2) as published by the
; Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
;
; >>! NOTE: The modification to the GPL is included to allow you to distribute
; >>! a combined work that includes FreeRTOS without being obliged to provide
; >>! the source code for proprietary components outside of the FreeRTOS
; >>! kernel.
;
; FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
; WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
; FOR A PARTICULAR PURPOSE. Full license text is available from the following
; link: http://www.freertos.org/a00114.html
;
; 1 tab == 4 spaces!
;
; ***************************************************************************
; * *
; * Having a problem? Start by reading the FAQ "My application does *
; * not run, what could be wrong?" *
; * *
; * http://www.FreeRTOS.org/FAQHelp.html *
; * *
; ***************************************************************************
;
; http://www.FreeRTOS.org - Documentation, books, training, latest versions,
; license and Real Time Engineers Ltd. contact details.;
;
; http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
; including FreeRTOS+Trace - an indispensable productivity tool, a DOS
; compatible FAT file system, and our tiny thread aware UDP/IP stack.
;
; http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
; Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
; licenses offer ticketed support, indemnification and middleware.
;
; http://www.SafeRTOS.com - High Integrity Systems also provide a safety
; engineered and independently SIL3 certified version for use in safety and
; mission critical applications that require provable dependability.
;
; 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 itteration 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 itteration 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
|
