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/*
FreeRTOS V7.5.1 - Copyright (C) 2013 Real Time Engineers Ltd.
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!
*/
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 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 #_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 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 #_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
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