;/* ; FreeRTOS V9.0.1 - Copyright (C) 2017 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 itcan 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. ;*/ EXPORT vRegTest1Implementation EXPORT vRegTest2Implementation ; This file is built with IAR and ARM compilers. When the ARM compiler ; is used the compiler options must define __IASMARM__ as 0 using the ; --predefine "__IASMARM__ SETA 0" command line option. When compiling ; with IAR __IASMARM__ is automatically set to 1 so no additional assembler ; options are required. SECTION .text:CODE:ROOT(2) ARM ; This function is explained in the comments at the top of main-full.c. vRegTest1Implementation PRESERVE8 IMPORT ulRegTest1LoopCounter ; Fill each general purpose register with a known value. mov r0, #0xFF mov r1, #0x11 mov r2, #0x22 mov r3, #0x33 mov r4, #0x44 mov r5, #0x55 mov r6, #0x66 mov r7, #0x77 mov r8, #0x88 mov r9, #0x99 mov r10, #0xAA mov r11, #0xBB mov r12, #0xCC mov r14, #0xEE ; Fill each FPU register with a known value. 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 ; Loop, checking each iteration that each register still contains the ; expected value. reg1_loop ; Yield to increase test coverage svc 0 ; 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, #0xFF bne reg1_error_loopf cmp r1, #0x11 bne reg1_error_loopf vmov r0, r1, d1 cmp r0, #0x22 bne reg1_error_loopf cmp r1, #0x33 bne reg1_error_loopf vmov r0, r1, d2 cmp r0, #0x44 bne reg1_error_loopf cmp r1, #0x55 bne reg1_error_loopf vmov r0, r1, d3 cmp r0, #0x66 bne reg1_error_loopf cmp r1, #0x77 bne reg1_error_loopf vmov r0, r1, d4 cmp r0, #0x88 bne reg1_error_loopf cmp r1, #0x99 bne reg1_error_loopf vmov r0, r1, d5 cmp r0, #0xAA bne reg1_error_loopf cmp r1, #0xBB bne reg1_error_loopf vmov r0, r1, d6 cmp r0, #0xFF bne reg1_error_loopf cmp r1, #0x11 bne reg1_error_loopf vmov r0, r1, d7 cmp r0, #0x22 bne reg1_error_loopf cmp r1, #0x33 bne reg1_error_loopf vmov r0, r1, d8 cmp r0, #0x44 bne reg1_error_loopf cmp r1, #0x55 bne reg1_error_loopf vmov r0, r1, d9 cmp r0, #0x66 bne reg1_error_loopf cmp r1, #0x77 bne reg1_error_loopf vmov r0, r1, d10 cmp r0, #0x88 bne reg1_error_loopf cmp r1, #0x99 bne reg1_error_loopf vmov r0, r1, d11 cmp r0, #0xAA bne reg1_error_loopf cmp r1, #0xBB bne reg1_error_loopf vmov r0, r1, d12 cmp r0, #0xFF bne reg1_error_loopf cmp r1, #0x11 bne reg1_error_loopf vmov r0, r1, d13 cmp r0, #0x22 bne reg1_error_loopf cmp r1, #0x33 bne reg1_error_loopf vmov r0, r1, d14 cmp r0, #0x44 bne reg1_error_loopf cmp r1, #0x55 bne reg1_error_loopf vmov r0, r1, d15 cmp r0, #0x66 bne reg1_error_loopf cmp r1, #0x77 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 ; Test each general purpose register to check that it still contains the ; expected known value, jumping to reg1_error_loop if any register contains ; an unexpected value. cmp r0, #0xFF bne reg1_error_loop cmp r1, #0x11 bne reg1_error_loop cmp r2, #0x22 bne reg1_error_loop cmp r3, #0x33 bne reg1_error_loop cmp r4, #0x44 bne reg1_error_loop cmp r5, #0x55 bne reg1_error_loop cmp r6, #0x66 bne reg1_error_loop cmp r7, #0x77 bne reg1_error_loop cmp r8, #0x88 bne reg1_error_loop cmp r9, #0x99 bne reg1_error_loop cmp r10, #0xAA bne reg1_error_loop cmp r11, #0xBB bne reg1_error_loop cmp r12, #0xCC bne reg1_error_loop cmp r14, #0xEE 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 nop ;/*-----------------------------------------------------------*/ vRegTest2Implementation PRESERVE8 IMPORT ulRegTest2LoopCounter ; Put a known value in each register. mov r0, #0xFF000000 mov r1, #0x11000000 mov r2, #0x22000000 mov r3, #0x33000000 mov r4, #0x44000000 mov r5, #0x55000000 mov r6, #0x66000000 mov r7, #0x77000000 mov r8, #0x88000000 mov r9, #0x99000000 mov r10, #0xAA000000 mov r11, #0xBB000000 mov r12, #0xCC000000 mov r14, #0xEE000000 ; Likewise the floating point registers 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 ; Loop, checking each iteration that each register still contains the ; expected value. 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, #0xFF000000 bne reg2_error_loopf cmp r1, #0x11000000 bne reg2_error_loopf vmov r0, r1, d1 cmp r0, #0x22000000 bne reg2_error_loopf cmp r1, #0x33000000 bne reg2_error_loopf vmov r0, r1, d2 cmp r0, #0x44000000 bne reg2_error_loopf cmp r1, #0x55000000 bne reg2_error_loopf vmov r0, r1, d3 cmp r0, #0x66000000 bne reg2_error_loopf cmp r1, #0x77000000 bne reg2_error_loopf vmov r0, r1, d4 cmp r0, #0x88000000 bne reg2_error_loopf cmp r1, #0x99000000 bne reg2_error_loopf vmov r0, r1, d5 cmp r0, #0xAA000000 bne reg2_error_loopf cmp r1, #0xBB000000 bne reg2_error_loopf vmov r0, r1, d6 cmp r0, #0xFF000000 bne reg2_error_loopf cmp r1, #0x11000000 bne reg2_error_loopf vmov r0, r1, d7 cmp r0, #0x22000000 bne reg2_error_loopf cmp r1, #0x33000000 bne reg2_error_loopf vmov r0, r1, d8 cmp r0, #0x44000000 bne reg2_error_loopf cmp r1, #0x55000000 bne reg2_error_loopf vmov r0, r1, d9 cmp r0, #0x66000000 bne reg2_error_loopf cmp r1, #0x77000000 bne reg2_error_loopf vmov r0, r1, d10 cmp r0, #0x88000000 bne reg2_error_loopf cmp r1, #0x99000000 bne reg2_error_loopf vmov r0, r1, d11 cmp r0, #0xAA000000 bne reg2_error_loopf cmp r1, #0xBB000000 bne reg2_error_loopf vmov r0, r1, d12 cmp r0, #0xFF000000 bne reg2_error_loopf cmp r1, #0x11000000 bne reg2_error_loopf vmov r0, r1, d13 cmp r0, #0x22000000 bne reg2_error_loopf cmp r1, #0x33000000 bne reg2_error_loopf vmov r0, r1, d14 cmp r0, #0x44000000 bne reg2_error_loopf cmp r1, #0x55000000 bne reg2_error_loopf vmov r0, r1, d15 cmp r0, #0x66000000 bne reg2_error_loopf cmp r1, #0x77000000 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, #0xFF000000 bne reg2_error_loop cmp r1, #0x11000000 bne reg2_error_loop cmp r2, #0x22000000 bne reg2_error_loop cmp r3, #0x33000000 bne reg2_error_loop cmp r4, #0x44000000 bne reg2_error_loop cmp r5, #0x55000000 bne reg2_error_loop cmp r6, #0x66000000 bne reg2_error_loop cmp r7, #0x77000000 bne reg2_error_loop cmp r8, #0x88000000 bne reg2_error_loop cmp r9, #0x99000000 bne reg2_error_loop cmp r10, #0xAA000000 bne reg2_error_loop cmp r11, #0xBB000000 bne reg2_error_loop cmp r12, #0xCC000000 bne reg2_error_loop cmp r14, #0xEE000000 bne reg2_error_loop ; Everything passed, increment the loop counter. 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. ; The loop ensures the loop counter stops incrementing. b reg2_error_loop nop END