mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-05-03 20:00:56 -04:00
259 lines
8.7 KiB
ArmAsm
259 lines
8.7 KiB
ArmAsm
/*
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FreeRTOS V8.2.0rc1 - Copyright (C) 2014 Real Time Engineers Ltd.
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All rights reserved
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VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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>>! NOTE: The modification to the GPL is included to allow you to !<<
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>>! distribute a combined work that includes FreeRTOS without being !<<
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>>! obliged to provide the source code for proprietary components !<<
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>>! outside of the FreeRTOS kernel. !<<
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. Full license text is available on the following
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link: http://www.freertos.org/a00114.html
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1 tab == 4 spaces!
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***************************************************************************
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* *
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* Having a problem? Start by reading the FAQ "My application does *
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* not run, what could be wrong?". Have you defined configASSERT()? *
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* *
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* http://www.FreeRTOS.org/FAQHelp.html *
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* *
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***************************************************************************
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***************************************************************************
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* *
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* FreeRTOS provides completely free yet professionally developed, *
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* robust, strictly quality controlled, supported, and cross *
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* platform software that is more than just the market leader, it *
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* is the industry's de facto standard. *
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* *
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* Help yourself get started quickly while simultaneously helping *
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* to support the FreeRTOS project by purchasing a FreeRTOS *
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* tutorial book, reference manual, or both: *
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* http://www.FreeRTOS.org/Documentation *
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* *
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***************************************************************************
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***************************************************************************
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* *
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* Investing in training allows your team to be as productive as *
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* possible as early as possible, lowering your overall development *
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* cost, and enabling you to bring a more robust product to market *
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* earlier than would otherwise be possible. Richard Barry is both *
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* the architect and key author of FreeRTOS, and so also the world's *
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* leading authority on what is the world's most popular real time *
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* kernel for deeply embedded MCU designs. Obtaining your training *
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* from Richard ensures your team will gain directly from his in-depth *
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* product knowledge and years of usage experience. Contact Real Time *
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* Engineers Ltd to enquire about the FreeRTOS Masterclass, presented *
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* by Richard Barry: http://www.FreeRTOS.org/contact
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* *
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***************************************************************************
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***************************************************************************
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* *
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* You are receiving this top quality software for free. Please play *
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* fair and reciprocate by reporting any suspected issues and *
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* participating in the community forum: *
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* http://www.FreeRTOS.org/support *
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* *
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* Thank you! *
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* *
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***************************************************************************
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http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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license and Real Time Engineers Ltd. contact details.
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http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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compatible FAT file system, and our tiny thread aware UDP/IP stack.
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http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
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Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
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http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
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licenses offer ticketed support, indemnification and commercial middleware.
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http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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engineered and independently SIL3 certified version for use in safety and
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mission critical applications that require provable dependability.
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1 tab == 4 spaces!
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*/
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RSEG CODE:CODE(2)
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thumb
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EXTERN ulRegTest1LoopCounter
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EXTERN ulRegTest2LoopCounter
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PUBLIC vRegTest1Task
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PUBLIC vRegTest2Task
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/*-----------------------------------------------------------*/
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vRegTest1Task
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/* Fill the core registers with known values. This is only done once. */
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movs r1, #101
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movs r2, #102
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movs r3, #103
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movs r4, #104
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movs r5, #105
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movs r6, #106
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movs r7, #107
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movs r0, #108
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mov r8, r0
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movs r0, #109
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mov r9, r0
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movs r0, #110
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mov r10, r0
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movs r0, #111
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mov r11, r0
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movs r0, #112
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mov r12, r0
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movs r0, #100
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reg1_loop
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/* Repeatedly check that each register still contains the value written to
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it when the task started. */
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cmp r0, #100
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bne reg1_error_loop
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cmp r1, #101
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bne reg1_error_loop
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cmp r2, #102
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bne reg1_error_loop
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cmp r3, #103
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bne reg1_error_loop
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cmp r4, #104
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bne reg1_error_loop
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cmp r5, #105
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bne reg1_error_loop
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cmp r6, #106
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bne reg1_error_loop
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cmp r7, #107
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bne reg1_error_loop
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movs r0, #108
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cmp r8, r0
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bne reg1_error_loop
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movs r0, #109
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cmp r9, r0
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bne reg1_error_loop
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movs r0, #110
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cmp r10, r0
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bne reg1_error_loop
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movs r0, #111
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cmp r11, r0
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bne reg1_error_loop
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movs r0, #112
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cmp r12, r0
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bne reg1_error_loop
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/* Everything passed, increment the loop counter. */
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push { r1 }
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ldr r0, =ulRegTest1LoopCounter
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ldr r1, [r0]
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adds r1, r1, #1
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str r1, [r0]
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pop { r1 }
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/* Start again. */
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movs r0, #100
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b reg1_loop
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reg1_error_loop
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/* If this line is hit then there was an error in a core register value.
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The loop ensures the loop counter stops incrementing. */
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b reg1_error_loop
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nop
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vRegTest2Task
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/* Fill the core registers with known values. This is only done once. */
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movs r1, #1
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movs r2, #2
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movs r3, #3
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movs r4, #4
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movs r5, #5
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movs r6, #6
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movs r7, #7
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movs r0, #8
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mov r8, r0
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movs r0, #9
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mov r9, r0
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movs r0, #10
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mov r10, r0
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movs r0, #11
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mov r11, r0
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movs r0, #12
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mov r12, r0
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movs r0, #10
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reg2_loop
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/* Repeatedly check that each register still contains the value written to
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it when the task started. */
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cmp r0, #10
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bne reg2_error_loop
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cmp r1, #1
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bne reg2_error_loop
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cmp r2, #2
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bne reg2_error_loop
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cmp r3, #3
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bne reg2_error_loop
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cmp r4, #4
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bne reg2_error_loop
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cmp r5, #5
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bne reg2_error_loop
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cmp r6, #6
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bne reg2_error_loop
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cmp r7, #7
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bne reg2_error_loop
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movs r0, #8
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cmp r8, r0
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bne reg2_error_loop
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movs r0, #9
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cmp r9, r0
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bne reg2_error_loop
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movs r0, #10
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cmp r10, r0
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bne reg2_error_loop
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movs r0, #11
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cmp r11, r0
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bne reg2_error_loop
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movs r0, #12
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cmp r12, r0
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bne reg2_error_loop
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/* Everything passed, increment the loop counter. */
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push { r1 }
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ldr r0, =ulRegTest2LoopCounter
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ldr r1, [r0]
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adds r1, r1, #1
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str r1, [r0]
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pop { r1 }
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/* Start again. */
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movs r0, #10
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b reg2_loop
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reg2_error_loop
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/* If this line is hit then there was an error in a core register value.
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The loop ensures the loop counter stops incrementing. */
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b reg2_error_loop
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nop
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END
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