/* FreeRTOS.org V5.1.2 - 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 as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. 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 can be applied should you wish 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 of how and when the exception can be applied. *************************************************************************** *************************************************************************** * * * 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. * * * *************************************************************************** *************************************************************************** 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" ); } }