| /* | |
| FreeRTOS V7.4.0 - Copyright (C) 2013 Real Time Engineers Ltd. | |
| FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT | |
| http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. | |
| *************************************************************************** | |
| * * | |
| * FreeRTOS tutorial books are available in pdf and paperback. * | |
| * Complete, revised, and edited pdf reference manuals are also * | |
| * available. * | |
| * * | |
| * Purchasing FreeRTOS documentation will not only help you, by * | |
| * ensuring you get running as quickly as possible and with an * | |
| * in-depth knowledge of how to use FreeRTOS, it will also help * | |
| * the FreeRTOS project to continue with its mission of providing * | |
| * professional grade, cross platform, de facto standard solutions * | |
| * for microcontrollers - completely free of charge! * | |
| * * | |
| * >>> See http://www.FreeRTOS.org/Documentation for details. <<< * | |
| * * | |
| * Thank you for using FreeRTOS, and thank you for your support! * | |
| * * | |
| *************************************************************************** | |
| 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. See the GNU General Public License for more | |
| details. You should have received a copy of the GNU General Public License | |
| and the FreeRTOS license exception along with FreeRTOS; if not itcan be | |
| viewed here: http://www.freertos.org/a00114.html and also obtained by | |
| writing to Real Time Engineers Ltd., contact details for whom are available | |
| on the FreeRTOS WEB site. | |
| 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, and our new | |
| fully thread aware and reentrant UDP/IP stack. | |
| http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High | |
| Integrity Systems, who sell the code with commercial support, | |
| indemnification and middleware, under the OpenRTOS brand. | |
| 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. | |
| */ | |
| void vRegTest1Task( void ) __attribute__((naked)); | |
| void vRegTest2Task( void ) __attribute__((naked)); | |
| void vRegTest1Task( void ) | |
| { | |
| __asm volatile | |
| ( | |
| ".extern ulRegTest1LoopCounter \n" | |
| " \n" | |
| " /* Fill the core registers with known values. */ \n" | |
| " movs r1, #101 \n" | |
| " movs r2, #102 \n" | |
| " movs r3, #103 \n" | |
| " movs r4, #104 \n" | |
| " movs r5, #105 \n" | |
| " movs r6, #106 \n" | |
| " movs r7, #107 \n" | |
| " movs r0, #108 \n" | |
| " mov r8, r0 \n" | |
| " movs r0, #109 \n" | |
| " mov r9, r0 \n" | |
| " movs r0, #110 \n" | |
| " mov r10, r0 \n" | |
| " movs r0, #111 \n" | |
| " mov r11, r0 \n" | |
| " movs r0, #112 \n" | |
| " mov r12, r0 \n" | |
| " movs r0, #100 \n" | |
| " \n" | |
| "reg1_loop: \n" | |
| " \n" | |
| " cmp r0, #100 \n" | |
| " bne reg1_error_loop \n" | |
| " cmp r1, #101 \n" | |
| " bne reg1_error_loop \n" | |
| " cmp r2, #102 \n" | |
| " bne reg1_error_loop \n" | |
| " cmp r3, #103 \n" | |
| " bne reg1_error_loop \n" | |
| " cmp r4, #104 \n" | |
| " bne reg1_error_loop \n" | |
| " cmp r5, #105 \n" | |
| " bne reg1_error_loop \n" | |
| " cmp r6, #106 \n" | |
| " bne reg1_error_loop \n" | |
| " cmp r7, #107 \n" | |
| " bne reg1_error_loop \n" | |
| " movs r0, #108 \n" | |
| " cmp r8, r0 \n" | |
| " bne reg1_error_loop \n" | |
| " movs r0, #109 \n" | |
| " cmp r9, r0 \n" | |
| " bne reg1_error_loop \n" | |
| " movs r0, #110 \n" | |
| " cmp r10, r0 \n" | |
| " bne reg1_error_loop \n" | |
| " movs r0, #111 \n" | |
| " cmp r11, r0 \n" | |
| " bne reg1_error_loop \n" | |
| " movs r0, #112 \n" | |
| " cmp r12, r0 \n" | |
| " bne reg1_error_loop \n" | |
| " \n" | |
| " /* Everything passed, increment the loop counter. */ \n" | |
| " push { r1 } \n" | |
| " ldr r0, =ulRegTest1LoopCounter \n" | |
| " ldr r1, [r0] \n" | |
| " add r1, r1, #1 \n" | |
| " str r1, [r0] \n" | |
| " pop { r1 } \n" | |
| " \n" | |
| " /* Start again. */ \n" | |
| " movs r0, #100 \n" | |
| " b reg1_loop \n" | |
| " \n" | |
| "reg1_error_loop: \n" | |
| " /* If this line is hit then there was an error in a core register value. \n" | |
| " The loop ensures the loop counter stops incrementing. */ \n" | |
| " b reg1_error_loop \n" | |
| " nop \n" | |
| ); | |
| } | |
| /*-----------------------------------------------------------*/ | |
| void vRegTest2Task( void ) | |
| { | |
| __asm volatile | |
| ( | |
| ".extern ulRegTest2LoopCounter \n" | |
| " \n" | |
| " /* Fill the core registers with known values. */ \n" | |
| " movs r1, #1 \n" | |
| " movs r2, #2 \n" | |
| " movs r3, #3 \n" | |
| " movs r4, #4 \n" | |
| " movs r5, #5 \n" | |
| " movs r6, #6 \n" | |
| " movs r7, #7 \n" | |
| " movs r0, #8 \n" | |
| " movs r8, r0 \n" | |
| " movs r0, #9 \n" | |
| " mov r9, r0 \n" | |
| " movs r0, #10 \n" | |
| " mov r10, r0 \n" | |
| " movs r0, #11 \n" | |
| " mov r11, r0 \n" | |
| " movs r0, #12 \n" | |
| " mov r12, r0 \n" | |
| " movs r0, #10 \n" | |
| " \n" | |
| "reg2_loop: \n" | |
| " \n" | |
| " cmp r0, #10 \n" | |
| " bne reg2_error_loop \n" | |
| " cmp r1, #1 \n" | |
| " bne reg2_error_loop \n" | |
| " cmp r2, #2 \n" | |
| " bne reg2_error_loop \n" | |
| " cmp r3, #3 \n" | |
| " bne reg2_error_loop \n" | |
| " cmp r4, #4 \n" | |
| " bne reg2_error_loop \n" | |
| " cmp r5, #5 \n" | |
| " bne reg2_error_loop \n" | |
| " cmp r6, #6 \n" | |
| " bne reg2_error_loop \n" | |
| " cmp r7, #7 \n" | |
| " bne reg2_error_loop \n" | |
| " movs r0, #8 \n" | |
| " cmp r8, r0 \n" | |
| " bne reg2_error_loop \n" | |
| " movs r0, #9 \n" | |
| " cmp r9, r0 \n" | |
| " bne reg2_error_loop \n" | |
| " movs r0, #10 \n" | |
| " cmp r10, r0 \n" | |
| " bne reg2_error_loop \n" | |
| " movs r0, #11 \n" | |
| " cmp r11, r0 \n" | |
| " bne reg2_error_loop \n" | |
| " movs r0, #12 \n" | |
| " cmp r12, r0 \n" | |
| " bne reg2_error_loop \n" | |
| " \n" | |
| " /* Everything passed, increment the loop counter. */ \n" | |
| " push { r1 } \n" | |
| " ldr r0, =ulRegTest2LoopCounter \n" | |
| " ldr r1, [r0] \n" | |
| " add r1, r1, #1 \n" | |
| " str r1, [r0] \n" | |
| " pop { r1 } \n" | |
| " \n" | |
| " /* Start again. */ \n" | |
| " movs r0, #10 \n" | |
| " b reg2_loop \n" | |
| " \n" | |
| "reg2_error_loop: \n" | |
| " /* If this line is hit then there was an error in a core register value. \n" | |
| " The loop ensures the loop counter stops incrementing. */ \n" | |
| " b reg2_error_loop \n" | |
| " nop \n" | |
| ); | |
| } | |
| /*-----------------------------------------------------------*/ | |