/* FreeRTOS V7.6.0 - Copyright (C) 2013 Real Time Engineers Ltd. All rights reserved VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. *************************************************************************** * * * FreeRTOS provides completely free yet professionally developed, * * robust, strictly quality controlled, supported, and cross * * platform software that has become a de facto standard. * * * * Help yourself get started quickly and support the FreeRTOS * * project by purchasing a FreeRTOS tutorial book, reference * * manual, or both from: http://www.FreeRTOS.org/Documentation * * * * Thank you! * * * *************************************************************************** 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 modification 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. Full license text is available from the following link: http://www.freertos.org/a00114.html 1 tab == 4 spaces! *************************************************************************** * * * Having a problem? Start by reading the FAQ "My application does * * not run, what could be wrong?" * * * * http://www.FreeRTOS.org/FAQHelp.html * * * *************************************************************************** http://www.FreeRTOS.org - Documentation, books, training, latest versions, license and Real Time Engineers Ltd. contact details. http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, including FreeRTOS+Trace - an indispensable productivity tool, a DOS compatible FAT file system, and our tiny thread aware UDP/IP stack. http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS licenses offer ticketed support, indemnification and middleware. http://www.SafeRTOS.com - High Integrity Systems also provide a safety engineered and independently SIL3 certified version for use in safety and mission critical applications that require provable dependability. 1 tab == 4 spaces! */ RSEG CODE:CODE(2) thumb EXTERN ulRegTest1LoopCounter EXTERN ulRegTest2LoopCounter PUBLIC vRegTest1Task PUBLIC vRegTest2Task /*-----------------------------------------------------------*/ vRegTest1Task /* Fill the core registers with known values. This is only done once. */ movs r1, #101 movs r2, #102 movs r3, #103 movs r4, #104 movs r5, #105 movs r6, #106 movs r7, #107 movs r0, #108 mov r8, r0 movs r0, #109 mov r9, r0 movs r0, #110 mov r10, r0 movs r0, #111 mov r11, r0 movs r0, #112 mov r12, r0 movs r0, #100 reg1_loop /* Repeatedly check that each register still contains the value written to it when the task started. */ cmp r0, #100 bne reg1_error_loop cmp r1, #101 bne reg1_error_loop cmp r2, #102 bne reg1_error_loop cmp r3, #103 bne reg1_error_loop cmp r4, #104 bne reg1_error_loop cmp r5, #105 bne reg1_error_loop cmp r6, #106 bne reg1_error_loop cmp r7, #107 bne reg1_error_loop movs r0, #108 cmp r8, r0 bne reg1_error_loop movs r0, #109 cmp r9, r0 bne reg1_error_loop movs r0, #110 cmp r10, r0 bne reg1_error_loop movs r0, #111 cmp r11, r0 bne reg1_error_loop movs r0, #112 cmp r12, r0 bne reg1_error_loop /* Everything passed, increment the loop counter. */ push { r1 } ldr r0, =ulRegTest1LoopCounter ldr r1, [r0] adds r1, r1, #1 str r1, [r0] pop { r1 } /* Start again. */ movs r0, #100 b reg1_loop reg1_error_loop /* If this line is hit then there was an error in a core register value. The loop ensures the loop counter stops incrementing. */ b reg1_error_loop nop vRegTest2Task /* Fill the core registers with known values. This is only done once. */ movs r1, #1 movs r2, #2 movs r3, #3 movs r4, #4 movs r5, #5 movs r6, #6 movs r7, #7 movs r0, #8 mov r8, r0 movs r0, #9 mov r9, r0 movs r0, #10 mov r10, r0 movs r0, #11 mov r11, r0 movs r0, #12 mov r12, r0 movs r0, #10 reg2_loop /* Repeatedly check that each register still contains the value written to it when the task started. */ cmp r0, #10 bne reg2_error_loop cmp r1, #1 bne reg2_error_loop cmp r2, #2 bne reg2_error_loop cmp r3, #3 bne reg2_error_loop cmp r4, #4 bne reg2_error_loop cmp r5, #5 bne reg2_error_loop cmp r6, #6 bne reg2_error_loop cmp r7, #7 bne reg2_error_loop movs r0, #8 cmp r8, r0 bne reg2_error_loop movs r0, #9 cmp r9, r0 bne reg2_error_loop movs r0, #10 cmp r10, r0 bne reg2_error_loop movs r0, #11 cmp r11, r0 bne reg2_error_loop movs r0, #12 cmp r12, r0 bne reg2_error_loop /* Everything passed, increment the loop counter. */ push { r1 } ldr r0, =ulRegTest2LoopCounter ldr r1, [r0] adds r1, r1, #1 str r1, [r0] pop { r1 } /* Start again. */ movs r0, #10 b reg2_loop reg2_error_loop /* If this line is hit then there was an error in a core register value. The loop ensures the loop counter stops incrementing. */ b reg2_error_loop nop END