You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
226 lines
7.3 KiB
ArmAsm
226 lines
7.3 KiB
ArmAsm
/*
|
|
FreeRTOS V6.1.0 - Copyright (C) 2010 Real Time Engineers Ltd.
|
|
|
|
***************************************************************************
|
|
* *
|
|
* If you are: *
|
|
* *
|
|
* + New to FreeRTOS, *
|
|
* + Wanting to learn FreeRTOS or multitasking in general quickly *
|
|
* + Looking for basic training, *
|
|
* + Wanting to improve your FreeRTOS skills and productivity *
|
|
* *
|
|
* then take a look at the FreeRTOS books - available as PDF or paperback *
|
|
* *
|
|
* "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
|
|
* http://www.FreeRTOS.org/Documentation *
|
|
* *
|
|
* A pdf reference manual is also available. Both are usually delivered *
|
|
* to your inbox within 20 minutes to two hours when purchased between 8am *
|
|
* and 8pm GMT (although please allow up to 24 hours in case of *
|
|
* exceptional circumstances). Thank you for your support! *
|
|
* *
|
|
***************************************************************************
|
|
|
|
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 exception 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. See the GNU General Public License for
|
|
more details. You should have received a copy of the GNU General Public
|
|
License and the FreeRTOS license exception along with FreeRTOS; if not it
|
|
can be viewed here: http://www.freertos.org/a00114.html and also obtained
|
|
by writing to Richard Barry, contact details for whom are available on the
|
|
FreeRTOS WEB site.
|
|
|
|
1 tab == 4 spaces!
|
|
|
|
http://www.FreeRTOS.org - Documentation, latest information, license and
|
|
contact details.
|
|
|
|
http://www.SafeRTOS.com - A version that is certified for use in safety
|
|
critical systems.
|
|
|
|
http://www.OpenRTOS.com - Commercial support, development, porting,
|
|
licensing and training services.
|
|
*/
|
|
|
|
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
|