/* FreeRTOS V7.4.1 - 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 it can 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. */ PUBLIC _vRegTest1Implementation PUBLIC _vRegTest2Implementation EXTERN _ulRegTest1CycleCount EXTERN _ulRegTest2CycleCount RSEG CODE:CODE(4) _vRegTest1Implementation: /* Set each register to a known value. */ MOV.L #0x33333333, R15 MVTACHI R15 MOV.L #0x44444444, R15 MVTACLO R15 MOV.L #1, R1 MOV.L #2, R2 MOV.L #3, R3 MOV.L #4, R4 MOV.L #5, R5 MOV.L #6, R6 MOV.L #7, R7 MOV.L #8, R8 MOV.L #9, R9 MOV.L #10, R10 MOV.L #11, R11 MOV.L #12, R12 MOV.L #13, R13 MOV.L #14, R14 MOV.L #15, R15 /* Loop, checking each iteration that each register still contains the expected value. */ TestLoop1: /* Push the registers that are going to get clobbered. */ PUSHM R14-R15 /* Increment the loop counter to show this task is still getting CPU time. */ MOV.L #_ulRegTest1CycleCount, R14 MOV.L [ R14 ], R15 ADD #1, R15 MOV.L R15, [ R14 ] /* Yield to extend the text coverage. Set the bit in the ITU SWINTR register. */ MOV.L #1, R14 MOV.L #0872E0H, R15 MOV.B R14, [R15] NOP NOP /* Check the accumulator value. */ MVFACHI R15 CMP #0x33333333, R15 BNE RegTest2Error MVFACMI R15 CMP #0x33334444, R15 BNE RegTest2Error /* Restore the clobbered registers. */ POPM R14-R15 /* Now compare each register to ensure it still contains the value that was set before this loop was entered. */ CMP #1, R1 BNE RegTest1Error CMP #2, R2 BNE RegTest1Error CMP #3, R3 BNE RegTest1Error CMP #4, R4 BNE RegTest1Error CMP #5, R5 BNE RegTest1Error CMP #6, R6 BNE RegTest1Error CMP #7, R7 BNE RegTest1Error CMP #8, R8 BNE RegTest1Error CMP #9, R9 BNE RegTest1Error CMP #10, R10 BNE RegTest1Error CMP #11, R11 BNE RegTest1Error CMP #12, R12 BNE RegTest1Error CMP #13, R13 BNE RegTest1Error CMP #14, R14 BNE RegTest1Error CMP #15, R15 BNE RegTest1Error /* All comparisons passed, start a new iteration of this loop. */ BRA TestLoop1 /* A compare failed, just loop here so the loop counter stops incrementing causing the check timer to indicate the error. */ RegTest1Error: BRA RegTest1Error /*-----------------------------------------------------------*/ _vRegTest2Implementation: /* Set each register to a known value. */ MOV.L #0x11111111, R15 MVTACHI R15 MOV.L #0x22222222, R15 MVTACLO R15 MOV.L #100, R1 MOV.L #200, R2 MOV.L #300, R3 MOV.L #400, R4 MOV.L #500, R5 MOV.L #600, R6 MOV.L #700, R7 MOV.L #800, R8 MOV.L #900, R9 MOV.L #1000, R10 MOV.L #1001, R11 MOV.L #1002, R12 MOV.L #1003, R13 MOV.L #1004, R14 MOV.L #1005, R15 /* Loop, checking each iteration that each register still contains the expected value. */ TestLoop2: /* Push the registers that are going to get clobbered. */ PUSHM R14-R15 /* Increment the loop counter to show this task is still getting CPU time. */ MOV.L #_ulRegTest2CycleCount, R14 MOV.L [ R14 ], R15 ADD #1, R15 MOV.L R15, [ R14 ] /* Check the accumulator value. */ MVFACHI R15 CMP #0x11111111, R15 BNE RegTest2Error MVFACMI R15 CMP #0x11112222, R15 BNE RegTest2Error /* Restore the clobbered registers. */ POPM R14-R15 /* Now compare each register to ensure it still contains the value that was set before this loop was entered. */ CMP #100, R1 BNE RegTest2Error CMP #200, R2 BNE RegTest2Error CMP #300, R3 BNE RegTest2Error CMP #400, R4 BNE RegTest2Error CMP #500, R5 BNE RegTest2Error CMP #600, R6 BNE RegTest2Error CMP #700, R7 BNE RegTest2Error CMP #800, R8 BNE RegTest2Error CMP #900, R9 BNE RegTest2Error CMP #1000, R10 BNE RegTest2Error CMP #1001, R11 BNE RegTest2Error CMP #1002, R12 BNE RegTest2Error CMP #1003, R13 BNE RegTest2Error CMP #1004, R14 BNE RegTest2Error CMP #1005, R15 BNE RegTest2Error /* All comparisons passed, start a new iteration of this loop. */ BRA TestLoop2 /* A compare failed, just loop here so the loop counter stops incrementing causing the check timer to indicate the error. */ RegTest2Error: BRA RegTest2Error /*-----------------------------------------------------------*/ END