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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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/* Scheduler include files. */
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#include "FreeRTOS.h"
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#include "task.h"
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/* Demo file headers. */
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#include "regtest.h"
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/*
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* Test tasks that sets registers to known values, then checks to ensure the
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* values remain as expected. Test 1 and test 2 use different values.
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*/
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static void prvRegisterCheck1( void *pvParameters );
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static void prvRegisterCheck2( void *pvParameters );
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/* Set to a non zero value should an error be found. */
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portBASE_TYPE xRegTestError = pdFALSE;
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/*-----------------------------------------------------------*/
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void vStartRegTestTasks( void )
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{
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xTaskCreate( prvRegisterCheck1, ( signed char * ) "Reg1", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
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xTaskCreate( prvRegisterCheck2, ( signed char * ) "Reg2", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
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}
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/*-----------------------------------------------------------*/
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portBASE_TYPE xAreRegTestTasksStillRunning( void )
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{
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portBASE_TYPE xReturn;
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/* If a register was found to contain an unexpected value then the
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xRegTestError variable would have been set to a non zero value. */
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if( xRegTestError == pdFALSE )
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{
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xReturn = pdTRUE;
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}
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else
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{
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xReturn = pdFALSE;
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}
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return xReturn;
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}
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/*-----------------------------------------------------------*/
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static void prvRegisterCheck1( void *pvParameters )
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{
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( void ) pvParameters;
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for( ;; )
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{
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asm( "LDI r31, 5" );
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asm( "MOV r0, r31" );
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asm( "LDI r31, 6" );
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asm( "MOV r1, r31" );
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asm( "LDI r31, 7" );
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asm( "MOV r2, r31" );
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asm( "LDI r31, 8" );
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asm( "MOV r3, r31" );
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asm( "LDI r31, 9" );
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asm( "MOV r4, r31" );
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asm( "LDI r31, 10" );
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asm( "MOV r5, r31" );
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asm( "LDI r31, 11" );
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asm( "MOV r6, r31" );
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asm( "LDI r31, 12" );
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asm( "MOV r7, r31" );
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asm( "LDI r31, 13" );
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asm( "MOV r8, r31" );
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asm( "LDI r31, 14" );
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asm( "MOV r9, r31" );
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asm( "LDI r31, 15" );
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asm( "MOV r10, r31" );
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asm( "LDI r31, 16" );
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asm( "MOV r11, r31" );
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asm( "LDI r31, 17" );
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asm( "MOV r12, r31" );
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asm( "LDI r31, 18" );
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asm( "MOV r13, r31" );
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asm( "LDI r31, 19" );
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asm( "MOV r14, r31" );
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asm( "LDI r31, 20" );
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asm( "MOV r15, r31" );
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asm( "LDI r16, 21" );
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asm( "LDI r17, 22" );
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asm( "LDI r18, 23" );
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asm( "LDI r19, 24" );
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asm( "LDI r20, 25" );
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asm( "LDI r21, 26" );
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asm( "LDI r22, 27" );
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asm( "LDI r23, 28" );
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asm( "LDI r24, 29" );
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asm( "LDI r25, 30" );
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asm( "LDI r26, 31" );
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asm( "LDI r27, 32" );
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asm( "LDI r30, 33" );
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asm( "LDI r31, 5" );
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asm( "CPSE r31, r0" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 6" );
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asm( "CPSE r31, r1" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 7" );
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asm( "CPSE r31, r2" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 8" );
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asm( "CPSE r31, r3" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 9" );
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asm( "CPSE r31, r4" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 10" );
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asm( "CPSE r31, r5" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 11" );
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asm( "CPSE r31, r6" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 12" );
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asm( "CPSE r31, r7" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 13" );
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asm( "CPSE r31, r8" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 14" );
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asm( "CPSE r31, r9" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 15" );
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asm( "CPSE r31, r10" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 16" );
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asm( "CPSE r31, r11" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 17" );
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asm( "CPSE r31, r12" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 18" );
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asm( "CPSE r31, r13" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 19" );
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asm( "CPSE r31, r14" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 20" );
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asm( "CPSE r31, r15" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 21" );
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asm( "CPSE r31, r16" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 22" );
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asm( "CPSE r31, r17" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 23" );
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asm( "CPSE r31, r18" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 24" );
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asm( "CPSE r31, r19" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 25" );
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asm( "CPSE r31, r20" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 26" );
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asm( "CPSE r31, r21" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 27" );
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asm( "CPSE r31, r22" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 28" );
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asm( "CPSE r31, r23" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 29" );
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asm( "CPSE r31, r24" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 30" );
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227 |
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asm( "CPSE r31, r25" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 31" );
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asm( "CPSE r31, r26" );
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asm( "STS xRegTestError, r0" );
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232 |
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asm( "LDI r31, 32" );
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asm( "CPSE r31, r27" );
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asm( "STS xRegTestError, r0" );
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asm( "LDI r31, 33" );
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asm( "CPSE r31, r30" );
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237 |
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asm( "STS xRegTestError, r0" );
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}
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}
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/*-----------------------------------------------------------*/
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static void prvRegisterCheck2( void *pvParameters )
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{
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244 |
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( void ) pvParameters;
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for( ;; )
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{
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248 |
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asm( "LDI r31, 1" );
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249 |
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asm( "MOV r0, r31" );
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250 |
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asm( "LDI r31, 2" );
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251 |
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asm( "MOV r1, r31" );
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252 |
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asm( "LDI r31, 3" );
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253 |
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asm( "MOV r2, r31" );
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254 |
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asm( "LDI r31, 4" );
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255 |
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asm( "MOV r3, r31" );
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256 |
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asm( "LDI r31, 5" );
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257 |
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asm( "MOV r4, r31" );
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258 |
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asm( "LDI r31, 6" );
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259 |
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asm( "MOV r5, r31" );
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260 |
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asm( "LDI r31, 7" );
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261 |
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asm( "MOV r6, r31" );
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262 |
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asm( "LDI r31, 8" );
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263 |
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asm( "MOV r7, r31" );
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264 |
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asm( "LDI r31, 9" );
|
265 |
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asm( "MOV r8, r31" );
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266 |
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asm( "LDI r31, 10" );
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267 |
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asm( "MOV r9, r31" );
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268 |
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asm( "LDI r31, 11" );
|
269 |
|
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asm( "MOV r10, r31" );
|
270 |
|
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asm( "LDI r31, 12" );
|
271 |
|
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asm( "MOV r11, r31" );
|
272 |
|
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asm( "LDI r31, 13" );
|
273 |
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asm( "MOV r12, r31" );
|
274 |
|
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asm( "LDI r31, 14" );
|
275 |
|
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asm( "MOV r13, r31" );
|
276 |
|
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asm( "LDI r31, 15" );
|
277 |
|
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asm( "MOV r14, r31" );
|
278 |
|
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asm( "LDI r31, 16" );
|
279 |
|
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asm( "MOV r15, r31" );
|
280 |
|
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asm( "LDI r16, 17" );
|
281 |
|
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asm( "LDI r17, 18" );
|
282 |
|
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asm( "LDI r18, 19" );
|
283 |
|
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asm( "LDI r19, 20" );
|
284 |
|
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asm( "LDI r20, 21" );
|
285 |
|
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asm( "LDI r21, 22" );
|
286 |
|
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asm( "LDI r22, 23" );
|
287 |
|
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asm( "LDI r23, 24" );
|
288 |
|
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asm( "LDI r24, 25" );
|
289 |
|
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asm( "LDI r25, 26" );
|
290 |
|
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asm( "LDI r26, 27" );
|
291 |
|
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asm( "LDI r27, 28" );
|
292 |
|
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asm( "LDI r30, 29" );
|
293 |
|
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|
294 |
|
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asm( "LDI r31, 1" );
|
295 |
|
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asm( "CPSE r31, r0" );
|
296 |
|
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asm( "STS xRegTestError, r0" );
|
297 |
|
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asm( "LDI r31, 2" );
|
298 |
|
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asm( "CPSE r31, r1" );
|
299 |
|
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asm( "STS xRegTestError, r0" );
|
300 |
|
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asm( "LDI r31, 3" );
|
301 |
|
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asm( "CPSE r31, r2" );
|
302 |
|
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asm( "STS xRegTestError, r0" );
|
303 |
|
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asm( "LDI r31, 4" );
|
304 |
|
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asm( "CPSE r31, r3" );
|
305 |
|
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asm( "STS xRegTestError, r0" );
|
306 |
|
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asm( "LDI r31, 5" );
|
307 |
|
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asm( "CPSE r31, r4" );
|
308 |
|
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asm( "STS xRegTestError, r0" );
|
309 |
|
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asm( "LDI r31, 6" );
|
310 |
|
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asm( "CPSE r31, r5" );
|
311 |
|
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asm( "STS xRegTestError, r0" );
|
312 |
|
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asm( "LDI r31, 7" );
|
313 |
|
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asm( "CPSE r31, r6" );
|
314 |
|
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asm( "STS xRegTestError, r0" );
|
315 |
|
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asm( "LDI r31, 8" );
|
316 |
|
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asm( "CPSE r31, r7" );
|
317 |
|
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asm( "STS xRegTestError, r0" );
|
318 |
|
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asm( "LDI r31, 9" );
|
319 |
|
|
asm( "CPSE r31, r8" );
|
320 |
|
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asm( "STS xRegTestError, r0" );
|
321 |
|
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asm( "LDI r31, 10" );
|
322 |
|
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asm( "CPSE r31, r9" );
|
323 |
|
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asm( "STS xRegTestError, r0" );
|
324 |
|
|
asm( "LDI r31, 11" );
|
325 |
|
|
asm( "CPSE r31, r10" );
|
326 |
|
|
asm( "STS xRegTestError, r0" );
|
327 |
|
|
asm( "LDI r31, 12" );
|
328 |
|
|
asm( "CPSE r31, r11" );
|
329 |
|
|
asm( "STS xRegTestError, r0" );
|
330 |
|
|
asm( "LDI r31, 13" );
|
331 |
|
|
asm( "CPSE r31, r12" );
|
332 |
|
|
asm( "STS xRegTestError, r0" );
|
333 |
|
|
asm( "LDI r31, 14" );
|
334 |
|
|
asm( "CPSE r31, r13" );
|
335 |
|
|
asm( "STS xRegTestError, r0" );
|
336 |
|
|
asm( "LDI r31, 15" );
|
337 |
|
|
asm( "CPSE r31, r14" );
|
338 |
|
|
asm( "STS xRegTestError, r0" );
|
339 |
|
|
asm( "LDI r31, 16" );
|
340 |
|
|
asm( "CPSE r31, r15" );
|
341 |
|
|
asm( "STS xRegTestError, r0" );
|
342 |
|
|
asm( "LDI r31, 17" );
|
343 |
|
|
asm( "CPSE r31, r16" );
|
344 |
|
|
asm( "STS xRegTestError, r0" );
|
345 |
|
|
asm( "LDI r31, 18" );
|
346 |
|
|
asm( "CPSE r31, r17" );
|
347 |
|
|
asm( "STS xRegTestError, r0" );
|
348 |
|
|
asm( "LDI r31, 19" );
|
349 |
|
|
asm( "CPSE r31, r18" );
|
350 |
|
|
asm( "STS xRegTestError, r0" );
|
351 |
|
|
asm( "LDI r31, 20" );
|
352 |
|
|
asm( "CPSE r31, r19" );
|
353 |
|
|
asm( "STS xRegTestError, r0" );
|
354 |
|
|
asm( "LDI r31, 21" );
|
355 |
|
|
asm( "CPSE r31, r20" );
|
356 |
|
|
asm( "STS xRegTestError, r0" );
|
357 |
|
|
asm( "LDI r31, 22" );
|
358 |
|
|
asm( "CPSE r31, r21" );
|
359 |
|
|
asm( "STS xRegTestError, r0" );
|
360 |
|
|
asm( "LDI r31, 23" );
|
361 |
|
|
asm( "CPSE r31, r22" );
|
362 |
|
|
asm( "STS xRegTestError, r0" );
|
363 |
|
|
asm( "LDI r31, 24" );
|
364 |
|
|
asm( "CPSE r31, r23" );
|
365 |
|
|
asm( "STS xRegTestError, r0" );
|
366 |
|
|
asm( "LDI r31, 25" );
|
367 |
|
|
asm( "CPSE r31, r24" );
|
368 |
|
|
asm( "STS xRegTestError, r0" );
|
369 |
|
|
asm( "LDI r31, 26" );
|
370 |
|
|
asm( "CPSE r31, r25" );
|
371 |
|
|
asm( "STS xRegTestError, r0" );
|
372 |
|
|
asm( "LDI r31, 27" );
|
373 |
|
|
asm( "CPSE r31, r26" );
|
374 |
|
|
asm( "STS xRegTestError, r0" );
|
375 |
|
|
asm( "LDI r31, 28" );
|
376 |
|
|
asm( "CPSE r31, r27" );
|
377 |
|
|
asm( "STS xRegTestError, r0" );
|
378 |
|
|
asm( "LDI r31, 29" );
|
379 |
|
|
asm( "CPSE r31, r30" );
|
380 |
|
|
asm( "STS xRegTestError, r0" );
|
381 |
|
|
}
|
382 |
|
|
}
|
383 |
|
|
|