2 FreeRTOS V7.4.0 - Copyright (C) 2013 Real Time Engineers Ltd.
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4 FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT
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5 http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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7 ***************************************************************************
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9 * FreeRTOS tutorial books are available in pdf and paperback. *
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10 * Complete, revised, and edited pdf reference manuals are also *
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13 * Purchasing FreeRTOS documentation will not only help you, by *
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14 * ensuring you get running as quickly as possible and with an *
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15 * in-depth knowledge of how to use FreeRTOS, it will also help *
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16 * the FreeRTOS project to continue with its mission of providing *
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17 * professional grade, cross platform, de facto standard solutions *
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18 * for microcontrollers - completely free of charge! *
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20 * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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22 * Thank you for using FreeRTOS, and thank you for your support! *
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24 ***************************************************************************
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27 This file is part of the FreeRTOS distribution.
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29 FreeRTOS is free software; you can redistribute it and/or modify it under
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30 the terms of the GNU General Public License (version 2) as published by the
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31 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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33 >>>>>>NOTE<<<<<< The modification to the GPL is included to allow you to
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34 distribute a combined work that includes FreeRTOS without being obliged to
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35 provide the source code for proprietary components outside of the FreeRTOS
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38 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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39 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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40 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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41 details. You should have received a copy of the GNU General Public License
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42 and the FreeRTOS license exception along with FreeRTOS; if not itcan be
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43 viewed here: http://www.freertos.org/a00114.html and also obtained by
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44 writing to Real Time Engineers Ltd., contact details for whom are available
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45 on the FreeRTOS WEB site.
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49 ***************************************************************************
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51 * Having a problem? Start by reading the FAQ "My application does *
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52 * not run, what could be wrong?" *
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54 * http://www.FreeRTOS.org/FAQHelp.html *
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56 ***************************************************************************
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59 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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60 license and Real Time Engineers Ltd. contact details.
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62 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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63 including FreeRTOS+Trace - an indispensable productivity tool, and our new
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64 fully thread aware and reentrant UDP/IP stack.
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66 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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67 Integrity Systems, who sell the code with commercial support,
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68 indemnification and middleware, under the OpenRTOS brand.
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70 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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71 engineered and independently SIL3 certified version for use in safety and
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72 mission critical applications that require provable dependability.
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75 PUBLIC _vRegTest1Implementation
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76 PUBLIC _vRegTest2Implementation
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78 EXTERN _ulRegTest1CycleCount
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79 EXTERN _ulRegTest2CycleCount
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83 _vRegTest1Implementation:
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85 /* Set each register to a known value. */
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86 MOV.L #0x33333333, R15
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88 MOV.L #0x44444444, R15
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106 /* Loop, checking each iteration that each register still contains the
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110 /* Push the registers that are going to get clobbered. */
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113 /* Increment the loop counter to show this task is still getting CPU
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115 MOV.L #_ulRegTest1CycleCount, R14
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120 /* Yield to extend the text coverage. Set the bit in the ITU SWINTR
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123 MOV.L #0872E0H, R15
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128 /* Check the accumulator value. */
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130 CMP #0x33333333, R15
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133 CMP #0x33334444, R15
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136 /* Restore the clobbered registers. */
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139 /* Now compare each register to ensure it still contains the value that
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140 was set before this loop was entered. */
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172 /* All comparisons passed, start a new iteration of this loop. */
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175 /* A compare failed, just loop here so the loop counter stops
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176 incrementing causing the check timer to indicate the error. */
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180 /*-----------------------------------------------------------*/
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182 _vRegTest2Implementation:
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184 /* Set each register to a known value. */
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185 MOV.L #0x11111111, R15
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187 MOV.L #0x22222222, R15
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205 /* Loop, checking each iteration that each register still contains the
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209 /* Push the registers that are going to get clobbered. */
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212 /* Increment the loop counter to show this task is still getting CPU
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214 MOV.L #_ulRegTest2CycleCount, R14
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219 /* Check the accumulator value. */
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221 CMP #0x11111111, R15
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224 CMP #0x11112222, R15
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227 /* Restore the clobbered registers. */
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230 /* Now compare each register to ensure it still contains the value that
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231 was set before this loop was entered. */
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263 /* All comparisons passed, start a new iteration of this loop. */
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266 /* A compare failed, just loop here so the loop counter stops
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267 incrementing causing the check timer to indicate the error. */
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271 /*-----------------------------------------------------------*/
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