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217 lines
5.9 KiB
ArmAsm
217 lines
5.9 KiB
ArmAsm
/*
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FreeRTOS V7.1.0 - Copyright (C) 2011 Real Time Engineers Ltd.
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***************************************************************************
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* *
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* FreeRTOS tutorial books are available in pdf and paperback. *
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* Complete, revised, and edited pdf reference manuals are also *
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* available. *
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* *
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* Purchasing FreeRTOS documentation will not only help you, by *
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* ensuring you get running as quickly as possible and with an *
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* in-depth knowledge of how to use FreeRTOS, it will also help *
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* the FreeRTOS project to continue with its mission of providing *
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* professional grade, cross platform, de facto standard solutions *
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* for microcontrollers - completely free of charge! *
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* *
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* >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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* *
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* Thank you for using FreeRTOS, and thank you for your support! *
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* *
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***************************************************************************
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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 obliged to
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provide the source code for proprietary components outside of the FreeRTOS
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kernel. FreeRTOS is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details. You should have received a copy of the GNU General Public
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License and the FreeRTOS license exception along with FreeRTOS; if not it
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can be viewed here: http://www.freertos.org/a00114.html and also obtained
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by writing to Richard Barry, contact details for whom are available on the
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FreeRTOS WEB site.
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1 tab == 4 spaces!
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http://www.FreeRTOS.org - Documentation, latest information, license and
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contact details.
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http://www.SafeRTOS.com - A version that is certified for use in safety
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critical systems.
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http://www.OpenRTOS.com - Commercial support, development, porting,
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licensing and training services.
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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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