/* FreeRTOS V7.3.0 - Copyright (C) 2012 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 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 versions, 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. */ #include RSEG CODE:CODE(2) thumb EXTERN ulRegTest1LoopCounter EXTERN ulRegTest2LoopCounter PUBLIC vRegTest1Task PUBLIC vRegTest2Task PUBLIC vRegTestClearFlopRegistersToParameterValue PUBLIC ulRegTestCheckFlopRegistersContainParameterValue /*-----------------------------------------------------------*/ vRegTest1Task /* Fill the core registers with known values. */ mov r0, #100 mov r1, #101 mov r2, #102 mov r3, #103 mov r4, #104 mov r5, #105 mov r6, #106 mov r7, #107 mov r8, #108 mov r9, #109 mov r10, #110 mov r11, #111 mov r12, #112 /* Fill the VFP registers with known values. */ vmov d0, r0, r1 vmov d1, r2, r3 vmov d2, r4, r5 vmov d3, r6, r7 vmov d4, r8, r9 vmov d5, r10, r11 vmov d6, r0, r1 vmov d7, r2, r3 vmov d8, r4, r5 vmov d9, r6, r7 vmov d10, r8, r9 vmov d11, r10, r11 vmov d12, r0, r1 vmov d13, r2, r3 vmov d14, r4, r5 vmov d15, r6, r7 reg1_loop: /* Check all the VFP registers still contain the values set above. First save registers that are clobbered by the test. */ push { r0-r1 } vmov r0, r1, d0 cmp r0, #100 bne reg1_error_loopf cmp r1, #101 bne reg1_error_loopf vmov r0, r1, d1 cmp r0, #102 bne reg1_error_loopf cmp r1, #103 bne reg1_error_loopf vmov r0, r1, d2 cmp r0, #104 bne reg1_error_loopf cmp r1, #105 bne reg1_error_loopf vmov r0, r1, d3 cmp r0, #106 bne reg1_error_loopf cmp r1, #107 bne reg1_error_loopf vmov r0, r1, d4 cmp r0, #108 bne reg1_error_loopf cmp r1, #109 bne reg1_error_loopf vmov r0, r1, d5 cmp r0, #110 bne reg1_error_loopf cmp r1, #111 bne reg1_error_loopf vmov r0, r1, d6 cmp r0, #100 bne reg1_error_loopf cmp r1, #101 bne reg1_error_loopf vmov r0, r1, d7 cmp r0, #102 bne reg1_error_loopf cmp r1, #103 bne reg1_error_loopf vmov r0, r1, d8 cmp r0, #104 bne reg1_error_loopf cmp r1, #105 bne reg1_error_loopf vmov r0, r1, d9 cmp r0, #106 bne reg1_error_loopf cmp r1, #107 bne reg1_error_loopf vmov r0, r1, d10 cmp r0, #108 bne reg1_error_loopf cmp r1, #109 bne reg1_error_loopf vmov r0, r1, d11 cmp r0, #110 bne reg1_error_loopf cmp r1, #111 bne reg1_error_loopf vmov r0, r1, d12 cmp r0, #100 bne reg1_error_loopf cmp r1, #101 bne reg1_error_loopf vmov r0, r1, d13 cmp r0, #102 bne reg1_error_loopf cmp r1, #103 bne reg1_error_loopf vmov r0, r1, d14 cmp r0, #104 bne reg1_error_loopf cmp r1, #105 bne reg1_error_loopf vmov r0, r1, d15 cmp r0, #106 bne reg1_error_loopf cmp r1, #107 bne reg1_error_loopf /* Restore the registers that were clobbered by the test. */ pop {r0-r1} /* VFP register test passed. Jump to the core register test. */ b reg1_loopf_pass reg1_error_loopf /* If this line is hit then a VFP register value was found to be incorrect. */ b reg1_error_loopf reg1_loopf_pass cmp r0, #100 bne reg1_error_loop cmp r1, #101 bne reg1_error_loop cmp r2, #102 bne reg1_error_loop cmp r3, #103 bne reg1_error_loop cmp r4, #104 bne reg1_error_loop cmp r5, #105 bne reg1_error_loop cmp r6, #106 bne reg1_error_loop cmp r7, #107 bne reg1_error_loop cmp r8, #108 bne reg1_error_loop cmp r9, #109 bne reg1_error_loop cmp r10, #110 bne reg1_error_loop cmp r11, #111 bne reg1_error_loop cmp r12, #112 bne reg1_error_loop /* Everything passed, increment the loop counter. */ push { r0-r1 } ldr r0, =ulRegTest1LoopCounter ldr r1, [r0] adds r1, r1, #1 str r1, [r0] pop { r0-r1 } /* Start again. */ b reg1_loop reg1_error_loop: /* If this line is hit then there was an error in a core register value. The loop ensures the loop counter stops incrementing. */ b reg1_error_loop /*-----------------------------------------------------------*/ vRegTest2Task /* Set all the core registers to known values. */ mov r0, #-1 mov r1, #1 mov r2, #2 mov r3, #3 mov r4, #4 mov r5, #5 mov r6, #6 mov r7, #7 mov r8, #8 mov r9, #9 mov r10, #10 mov r11, #11 mov r12, #12 /* Set all the VFP to known values. */ vmov d0, r0, r1 vmov d1, r2, r3 vmov d2, r4, r5 vmov d3, r6, r7 vmov d4, r8, r9 vmov d5, r10, r11 vmov d6, r0, r1 vmov d7, r2, r3 vmov d8, r4, r5 vmov d9, r6, r7 vmov d10, r8, r9 vmov d11, r10, r11 vmov d12, r0, r1 vmov d13, r2, r3 vmov d14, r4, r5 vmov d15, r6, r7 reg2_loop: /* Check all the VFP registers still contain the values set above. First save registers that are clobbered by the test. */ push { r0-r1 } vmov r0, r1, d0 cmp r0, #-1 bne reg2_error_loopf cmp r1, #1 bne reg2_error_loopf vmov r0, r1, d1 cmp r0, #2 bne reg2_error_loopf cmp r1, #3 bne reg2_error_loopf vmov r0, r1, d2 cmp r0, #4 bne reg2_error_loopf cmp r1, #5 bne reg2_error_loopf vmov r0, r1, d3 cmp r0, #6 bne reg2_error_loopf cmp r1, #7 bne reg2_error_loopf vmov r0, r1, d4 cmp r0, #8 bne reg2_error_loopf cmp r1, #9 bne reg2_error_loopf vmov r0, r1, d5 cmp r0, #10 bne reg2_error_loopf cmp r1, #11 bne reg2_error_loopf vmov r0, r1, d6 cmp r0, #-1 bne reg2_error_loopf cmp r1, #1 bne reg2_error_loopf vmov r0, r1, d7 cmp r0, #2 bne reg2_error_loopf cmp r1, #3 bne reg2_error_loopf vmov r0, r1, d8 cmp r0, #4 bne reg2_error_loopf cmp r1, #5 bne reg2_error_loopf vmov r0, r1, d9 cmp r0, #6 bne reg2_error_loopf cmp r1, #7 bne reg2_error_loopf vmov r0, r1, d10 cmp r0, #8 bne reg2_error_loopf cmp r1, #9 bne reg2_error_loopf vmov r0, r1, d11 cmp r0, #10 bne reg2_error_loopf cmp r1, #11 bne reg2_error_loopf vmov r0, r1, d12 cmp r0, #-1 bne reg2_error_loopf cmp r1, #1 bne reg2_error_loopf vmov r0, r1, d13 cmp r0, #2 bne reg2_error_loopf cmp r1, #3 bne reg2_error_loopf vmov r0, r1, d14 cmp r0, #4 bne reg2_error_loopf cmp r1, #5 bne reg2_error_loopf vmov r0, r1, d15 cmp r0, #6 bne reg2_error_loopf cmp r1, #7 bne reg2_error_loopf /* Restore the registers that were clobbered by the test. */ pop {r0-r1} /* VFP register test passed. Jump to the core register test. */ b reg2_loopf_pass reg2_error_loopf /* If this line is hit then a VFP register value was found to be incorrect. */ b reg2_error_loopf reg2_loopf_pass cmp r0, #-1 bne reg2_error_loop cmp r1, #1 bne reg2_error_loop cmp r2, #2 bne reg2_error_loop cmp r3, #3 bne reg2_error_loop cmp r4, #4 bne reg2_error_loop cmp r5, #5 bne reg2_error_loop cmp r6, #6 bne reg2_error_loop cmp r7, #7 bne reg2_error_loop cmp r8, #8 bne reg2_error_loop cmp r9, #9 bne reg2_error_loop cmp r10, #10 bne reg2_error_loop cmp r11, #11 bne reg2_error_loop cmp r12, #12 bne reg2_error_loop /* Increment the loop counter to indicate this test is still functioning correctly. */ push { r0-r1 } ldr r0, =ulRegTest2LoopCounter ldr r1, [r0] adds r1, r1, #1 str r1, [r0] pop { r0-r1 } /* Start again. */ b reg2_loop reg2_error_loop: /* If this line is hit then there was an error in a core register value. This loop ensures the loop counter variable stops incrementing. */ b reg2_error_loop /*-----------------------------------------------------------*/ vRegTestClearFlopRegistersToParameterValue /* Clobber the auto saved registers. */ vmov d0, r0, r0 vmov d1, r0, r0 vmov d2, r0, r0 vmov d3, r0, r0 vmov d4, r0, r0 vmov d5, r0, r0 vmov d6, r0, r0 vmov d7, r0, r0 bx lr /*-----------------------------------------------------------*/ ulRegTestCheckFlopRegistersContainParameterValue vmov r1, s0 cmp r0, r1 bne return_error vmov r1, s1 cmp r0, r1 bne return_error vmov r1, s2 cmp r0, r1 bne return_error vmov r1, s3 cmp r0, r1 bne return_error vmov r1, s4 cmp r0, r1 bne return_error vmov r1, s5 cmp r0, r1 bne return_error vmov r1, s6 cmp r0, r1 bne return_error vmov r1, s7 cmp r0, r1 bne return_error vmov r1, s8 cmp r0, r1 bne return_error vmov r1, s9 cmp r0, r1 bne return_error vmov r1, s10 cmp r0, r1 bne return_error vmov r1, s11 cmp r0, r1 bne return_error vmov r1, s12 cmp r0, r1 bne return_error vmov r1, s13 cmp r0, r1 bne return_error vmov r1, s14 cmp r0, r1 bne return_error vmov r1, s15 cmp r0, r1 bne return_error return_pass mov r0, #1 bx lr return_error mov r0, #0 bx lr END