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/*
FreeRTOS.org V5.2.0 - Copyright (C) 2003-2009 Richard Barry.
This file is part of the FreeRTOS.org distribution.
FreeRTOS.org 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.
FreeRTOS.org 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 along
with FreeRTOS.org; if not, write to the Free Software Foundation, Inc., 59
Temple Place, Suite 330, Boston, MA 02111-1307 USA.
A special exception to the GPL is included to allow you to distribute a
combined work that includes FreeRTOS.org without being obliged to provide
the source code for any proprietary components. See the licensing section
of http://www.FreeRTOS.org for full details.
***************************************************************************
* *
* Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *
* *
* This is a concise, step by step, 'hands on' guide that describes both *
* general multitasking concepts and FreeRTOS specifics. It presents and *
* explains numerous examples that are written using the FreeRTOS API. *
* Full source code for all the examples is provided in an accompanying *
* .zip file. *
* *
***************************************************************************
1 tab == 4 spaces!
Please ensure to read the configuration and relevant port sections of the
online documentation.
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.
*/
/* Scheduler include files. */
#include "FreeRTOS.h"
#include "task.h"
/* Demo file headers. */
#include "regtest.h"
/*
* Test tasks that sets registers to known values, then checks to ensure the
* values remain as expected. Test 1 and test 2 use different values.
*/
static void prvRegisterCheck1( void *pvParameters );
static void prvRegisterCheck2( void *pvParameters );
/* Set to a non zero value should an error be found. */
portBASE_TYPE xRegTestError = pdFALSE;
/*-----------------------------------------------------------*/
void vStartRegTestTasks( void )
{
xTaskCreate( prvRegisterCheck1, "Reg1", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
xTaskCreate( prvRegisterCheck2, "Reg2", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
}
/*-----------------------------------------------------------*/
portBASE_TYPE xAreRegTestTasksStillRunning( void )
{
portBASE_TYPE xReturn;
/* If a register was found to contain an unexpected value then the
xRegTestError variable would have been set to a non zero value. */
if( xRegTestError == pdFALSE )
{
xReturn = pdTRUE;
}
else
{
xReturn = pdFALSE;
}
return xReturn;
}
/*-----------------------------------------------------------*/
static void prvRegisterCheck1( void *pvParameters )
{
( void ) pvParameters;
for( ;; )
{
asm( "LDI r31, 5" );
asm( "MOV r0, r31" );
asm( "LDI r31, 6" );
asm( "MOV r1, r31" );
asm( "LDI r31, 7" );
asm( "MOV r2, r31" );
asm( "LDI r31, 8" );
asm( "MOV r3, r31" );
asm( "LDI r31, 9" );
asm( "MOV r4, r31" );
asm( "LDI r31, 10" );
asm( "MOV r5, r31" );
asm( "LDI r31, 11" );
asm( "MOV r6, r31" );
asm( "LDI r31, 12" );
asm( "MOV r7, r31" );
asm( "LDI r31, 13" );
asm( "MOV r8, r31" );
asm( "LDI r31, 14" );
asm( "MOV r9, r31" );
asm( "LDI r31, 15" );
asm( "MOV r10, r31" );
asm( "LDI r31, 16" );
asm( "MOV r11, r31" );
asm( "LDI r31, 17" );
asm( "MOV r12, r31" );
asm( "LDI r31, 18" );
asm( "MOV r13, r31" );
asm( "LDI r31, 19" );
asm( "MOV r14, r31" );
asm( "LDI r31, 20" );
asm( "MOV r15, r31" );
asm( "LDI r16, 21" );
asm( "LDI r17, 22" );
asm( "LDI r18, 23" );
asm( "LDI r19, 24" );
asm( "LDI r20, 25" );
asm( "LDI r21, 26" );
asm( "LDI r22, 27" );
asm( "LDI r23, 28" );
asm( "LDI r24, 29" );
asm( "LDI r25, 30" );
asm( "LDI r26, 31" );
asm( "LDI r27, 32" );
asm( "LDI r30, 33" );
asm( "LDI r31, 5" );
asm( "CPSE r31, r0" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 6" );
asm( "CPSE r31, r1" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 7" );
asm( "CPSE r31, r2" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 8" );
asm( "CPSE r31, r3" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 9" );
asm( "CPSE r31, r4" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 10" );
asm( "CPSE r31, r5" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 11" );
asm( "CPSE r31, r6" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 12" );
asm( "CPSE r31, r7" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 13" );
asm( "CPSE r31, r8" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 14" );
asm( "CPSE r31, r9" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 15" );
asm( "CPSE r31, r10" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 16" );
asm( "CPSE r31, r11" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 17" );
asm( "CPSE r31, r12" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 18" );
asm( "CPSE r31, r13" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 19" );
asm( "CPSE r31, r14" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 20" );
asm( "CPSE r31, r15" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 21" );
asm( "CPSE r31, r16" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 22" );
asm( "CPSE r31, r17" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 23" );
asm( "CPSE r31, r18" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 24" );
asm( "CPSE r31, r19" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 25" );
asm( "CPSE r31, r20" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 26" );
asm( "CPSE r31, r21" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 27" );
asm( "CPSE r31, r22" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 28" );
asm( "CPSE r31, r23" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 29" );
asm( "CPSE r31, r24" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 30" );
asm( "CPSE r31, r25" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 31" );
asm( "CPSE r31, r26" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 32" );
asm( "CPSE r31, r27" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 33" );
asm( "CPSE r31, r30" );
asm( "STS xRegTestError, r0" );
}
}
/*-----------------------------------------------------------*/
static void prvRegisterCheck2( void *pvParameters )
{
( void ) pvParameters;
for( ;; )
{
asm( "LDI r31, 1" );
asm( "MOV r0, r31" );
asm( "LDI r31, 2" );
asm( "MOV r1, r31" );
asm( "LDI r31, 3" );
asm( "MOV r2, r31" );
asm( "LDI r31, 4" );
asm( "MOV r3, r31" );
asm( "LDI r31, 5" );
asm( "MOV r4, r31" );
asm( "LDI r31, 6" );
asm( "MOV r5, r31" );
asm( "LDI r31, 7" );
asm( "MOV r6, r31" );
asm( "LDI r31, 8" );
asm( "MOV r7, r31" );
asm( "LDI r31, 9" );
asm( "MOV r8, r31" );
asm( "LDI r31, 10" );
asm( "MOV r9, r31" );
asm( "LDI r31, 11" );
asm( "MOV r10, r31" );
asm( "LDI r31, 12" );
asm( "MOV r11, r31" );
asm( "LDI r31, 13" );
asm( "MOV r12, r31" );
asm( "LDI r31, 14" );
asm( "MOV r13, r31" );
asm( "LDI r31, 15" );
asm( "MOV r14, r31" );
asm( "LDI r31, 16" );
asm( "MOV r15, r31" );
asm( "LDI r16, 17" );
asm( "LDI r17, 18" );
asm( "LDI r18, 19" );
asm( "LDI r19, 20" );
asm( "LDI r20, 21" );
asm( "LDI r21, 22" );
asm( "LDI r22, 23" );
asm( "LDI r23, 24" );
asm( "LDI r24, 25" );
asm( "LDI r25, 26" );
asm( "LDI r26, 27" );
asm( "LDI r27, 28" );
asm( "LDI r30, 29" );
asm( "LDI r31, 1" );
asm( "CPSE r31, r0" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 2" );
asm( "CPSE r31, r1" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 3" );
asm( "CPSE r31, r2" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 4" );
asm( "CPSE r31, r3" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 5" );
asm( "CPSE r31, r4" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 6" );
asm( "CPSE r31, r5" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 7" );
asm( "CPSE r31, r6" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 8" );
asm( "CPSE r31, r7" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 9" );
asm( "CPSE r31, r8" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 10" );
asm( "CPSE r31, r9" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 11" );
asm( "CPSE r31, r10" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 12" );
asm( "CPSE r31, r11" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 13" );
asm( "CPSE r31, r12" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 14" );
asm( "CPSE r31, r13" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 15" );
asm( "CPSE r31, r14" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 16" );
asm( "CPSE r31, r15" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 17" );
asm( "CPSE r31, r16" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 18" );
asm( "CPSE r31, r17" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 19" );
asm( "CPSE r31, r18" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 20" );
asm( "CPSE r31, r19" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 21" );
asm( "CPSE r31, r20" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 22" );
asm( "CPSE r31, r21" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 23" );
asm( "CPSE r31, r22" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 24" );
asm( "CPSE r31, r23" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 25" );
asm( "CPSE r31, r24" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 26" );
asm( "CPSE r31, r25" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 27" );
asm( "CPSE r31, r26" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 28" );
asm( "CPSE r31, r27" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 29" );
asm( "CPSE r31, r30" );
asm( "STS xRegTestError, r0" );
}
}