2 * FreeRTOS Kernel V10.0.1
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3 * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
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6 * this software and associated documentation files (the "Software"), to deal in
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7 * the Software without restriction, including without limitation the rights to
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8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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9 * the Software, and to permit persons to whom the Software is furnished to do so,
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10 * subject to the following conditions:
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12 * The above copyright notice and this permission notice shall be included in all
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13 * copies or substantial portions of the Software.
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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22 * http://www.FreeRTOS.org
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23 * http://aws.amazon.com/freertos
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25 * 1 tab == 4 spaces!
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28 PUBLIC _vRegTest1Implementation
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29 PUBLIC _vRegTest2Implementation
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31 EXTERN _ulRegTest1CycleCount
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32 EXTERN _ulRegTest2CycleCount
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36 _vRegTest1Implementation:
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38 /* Set each register to a known value. */
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39 MOV.L #0x33333333, R15
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41 MOV.L #0x44444444, R15
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59 /* Loop, checking each iteration that each register still contains the
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63 /* Push the registers that are going to get clobbered. */
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66 /* Increment the loop counter to show this task is still getting CPU
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68 MOV.L #_ulRegTest1CycleCount, R14
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73 /* Yield to extend the text coverage. Set the bit in the ITU SWINTR
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81 /* Check the accumulator value. */
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83 CMP #0x33333333, R15
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86 CMP #0x33334444, R15
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89 /* Restore the clobbered registers. */
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92 /* Now compare each register to ensure it still contains the value that
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93 was set before this loop was entered. */
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125 /* All comparisons passed, start a new iteration of this loop. */
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128 /* A compare failed, just loop here so the loop counter stops
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129 incrementing causing the check timer to indicate the error. */
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133 /*-----------------------------------------------------------*/
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135 _vRegTest2Implementation:
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137 /* Set each register to a known value. */
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138 MOV.L #0x11111111, R15
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140 MOV.L #0x22222222, R15
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158 /* Loop, checking each iteration that each register still contains the
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162 /* Push the registers that are going to get clobbered. */
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165 /* Increment the loop counter to show this task is still getting CPU
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167 MOV.L #_ulRegTest2CycleCount, R14
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172 /* Check the accumulator value. */
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174 CMP #0x11111111, R15
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177 CMP #0x11112222, R15
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180 /* Restore the clobbered registers. */
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183 /* Now compare each register to ensure it still contains the value that
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184 was set before this loop was entered. */
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216 /* All comparisons passed, start a new iteration of this loop. */
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219 /* A compare failed, just loop here so the loop counter stops
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220 incrementing causing the check timer to indicate the error. */
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224 /*-----------------------------------------------------------*/
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