/* | |
FreeRTOS V7.1.1 - Copyright (C) 2012 Real Time Engineers Ltd. | |
*************************************************************************** | |
* * | |
* 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 it | |
can be viewed here: http://www.freertos.org/a00114.html and also obtained | |
by writing to Richard Barry, 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, training, latest information, | |
license and contact details. | |
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, | |
including FreeRTOS+Trace - an indispensable productivity tool. | |
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.OpenRTOS.com. High Integrity Systems also | |
provide a safety engineered and independently SIL3 certified version under | |
the SafeRTOS brand: http://www.SafeRTOS.com. | |
*/ | |
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" | |
); | |
} | |
/*-----------------------------------------------------------*/ | |