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jeremybenn |
/*
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FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.
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***************************************************************************
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* *
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* If you are: *
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* *
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* + New to FreeRTOS, *
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* + Wanting to learn FreeRTOS or multitasking in general quickly *
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* + Looking for basic training, *
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* + Wanting to improve your FreeRTOS skills and productivity *
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* *
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* then take a look at the FreeRTOS books - available as PDF or paperback *
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* *
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* "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
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* http://www.FreeRTOS.org/Documentation *
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* *
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* A pdf reference manual is also available. Both are usually delivered *
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* to your inbox within 20 minutes to two hours when purchased between 8am *
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* and 8pm GMT (although please allow up to 24 hours in case of *
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* exceptional circumstances). Thank you for your support! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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***NOTE*** The exception to the GPL is included to allow you to distribute
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a combined work that includes FreeRTOS without being obliged to provide the
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source code for proprietary components outside of the FreeRTOS kernel.
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details. You should have received a copy of the GNU General Public
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License and the FreeRTOS license exception along with FreeRTOS; if not it
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can be viewed here: http://www.freertos.org/a00114.html and also obtained
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by writing to Richard Barry, contact details for whom are available on the
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FreeRTOS WEB site.
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1 tab == 4 spaces!
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http://www.FreeRTOS.org - Documentation, latest information, license and
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contact details.
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http://www.SafeRTOS.com - A version that is certified for use in safety
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critical systems.
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http://www.OpenRTOS.com - Commercial support, development, porting,
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licensing and training services.
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*/
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#include "msp430.h"
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#include "FreeRTOSConfig.h"
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#include "data_model.h"
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/*
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* The definition of the "register test" tasks, as described at the top of
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* main.c
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*/
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IMPORT usRegTest1Counter
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IMPORT usRegTest2Counter
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IMPORT vPortYield
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EXPORT vRegTest1Task
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EXPORT vRegTest2Task
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RSEG CODE
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EVEN
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vRegTest1Task:
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/* Fill each general purpose register with a known value. */
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mov_x #0x4444, r4
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mov_x #0x5555, r5
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mov_x #0x6666, r6
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mov_x #0x7777, r7
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mov_x #0x8888, r8
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mov_x #0x9999, r9
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mov_x #0xaaaa, r10
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mov_x #0xbbbb, r11
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mov_x #0xcccc, r12
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mov_x #0xdddd, r13
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mov_x #0xeeee, r14
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mov_x #0xffff, r15
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prvRegTest1Loop:
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/* Test each general purpose register to check that it still contains the
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expected known value, jumping to vRegTest1Error if any register contains
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an unexpected value. */
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cmp_x #0x4444, r4
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jne vRegTest1Error
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cmp_x #0x5555, r5
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jne vRegTest1Error
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cmp_x #0x6666, r6
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jne vRegTest1Error
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cmp_x #0x7777, r7
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jne vRegTest1Error
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cmp_x #0x8888, r8
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jne vRegTest1Error
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cmp_x #0x9999, r9
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jne vRegTest1Error
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cmp_x #0xaaaa, r10
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jne vRegTest1Error
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cmp_x #0xbbbb, r11
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jne vRegTest1Error
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cmp_x #0xcccc, r12
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jne vRegTest1Error
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cmp_x #0xdddd, r13
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jne vRegTest1Error
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cmp_x #0xeeee, r14
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jne vRegTest1Error
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cmp_x #0xffff, r15
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jne vRegTest1Error
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/* This task is still running without jumping to vRegTest1Error, so increment
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the loop counter so the check task knows the task is running error free. */
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incx.w &usRegTest1Counter
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/* Loop again, performing the same tests. */
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jmp prvRegTest1Loop
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nop
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EVEN
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vRegTest1Error:
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jmp vRegTest1Error
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nop
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/*-----------------------------------------------------------*/
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/* See the comments in vRegTest1Task. This task is the same, it just uses
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different values in its registers. */
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vRegTest2Task:
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mov_x #0x4441, r4
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mov_x #0x5551, r5
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mov_x #0x6661, r6
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mov_x #0x7771, r7
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mov_x #0x8881, r8
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mov_x #0x9991, r9
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mov_x #0xaaa1, r10
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mov_x #0xbbb1, r11
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mov_x #0xccc1, r12
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mov_x #0xddd1, r13
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mov_x #0xeee1, r14
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mov_x #0xfff1, r15
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prvRegTest2Loop:
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cmp_x #0x4441, r4
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jne vRegTest2Error
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cmp_x #0x5551, r5
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jne vRegTest2Error
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cmp_x #0x6661, r6
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jne vRegTest2Error
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cmp_x #0x7771, r7
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jne vRegTest2Error
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cmp_x #0x8881, r8
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jne vRegTest2Error
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cmp_x #0x9991, r9
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jne vRegTest2Error
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cmp_x #0xaaa1, r10
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jne vRegTest2Error
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cmp_x #0xbbb1, r11
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jne vRegTest2Error
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cmp_x #0xccc1, r12
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jne vRegTest2Error
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cmp_x #0xddd1, r13
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jne vRegTest2Error
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cmp_x #0xeee1, r14
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jne vRegTest2Error
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cmp_x #0xfff1, r15
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jne vRegTest2Error
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/* Also perform a manual yield, just to increase the scope of the test. */
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calla #vPortYield
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incx.w &usRegTest2Counter
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jmp prvRegTest2Loop
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nop
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vRegTest2Error:
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jmp vRegTest2Error
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nop
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/*-----------------------------------------------------------*/
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END
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