2 * FreeRTOS Kernel V10.0.0
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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. If you wish to use our Amazon
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14 * FreeRTOS name, please do so in a fair use way that does not cause confusion.
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16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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18 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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19 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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20 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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23 * http://www.FreeRTOS.org
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24 * http://aws.amazon.com/freertos
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26 * 1 tab == 4 spaces!
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29 PUBLIC _vRegTest1Implementation
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30 PUBLIC _vRegTest2Implementation
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32 EXTERN _ulRegTest1LoopCounter
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33 EXTERN _ulRegTest2LoopCounter
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37 /* This function is explained in the comments at the top of main.c. */
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38 _vRegTest1Implementation:
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40 ;/* Put a known value in the guard byte of the accumulators. */
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46 /* Put a known value in each register. */
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63 ;/* Put a known value in the hi and low of the accumulators. */
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68 /* Loop, checking each iteration that each register still contains the
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72 /* Push the registers that are going to get clobbered. */
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75 /* Increment the loop counter to show this task is still getting CPU time. */
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76 MOV #_ulRegTest1LoopCounter, R14
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81 /* Yield to extend the text coverage. Set the bit in the ITU SWINTR register. */
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88 ;/* Check accumulators. */
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101 MVFACLO #0, A1, R15
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104 MVFACGU #0, A1, R15
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108 /* Restore the clobbered registers. */
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111 /* Now compare each register to ensure it still contains the value that was
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112 set before this loop was entered. */
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144 /* All comparisons passed, start a new itteratio of this loop. */
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148 /* A compare failed, just loop here so the loop counter stops incrementing
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149 - causing the check task to indicate the error. */
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151 /*-----------------------------------------------------------*/
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153 /* This function is explained in the comments at the top of main.c. */
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154 _vRegTest2Implementation:
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156 ;/* Put a known value in the guard byte of the accumulators. */
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162 /* Put a known value in each register. */
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179 ;/* Put a known value in the hi and low of the accumulators. */
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185 /* Loop, checking each iteration that each register still contains the
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189 /* Push the registers that are going to get clobbered. */
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192 /* Increment the loop counter to show this task is still getting CPU time. */
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193 MOV #_ulRegTest2LoopCounter, R14
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198 ;/* Check accumulators. */
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199 MVFACHI #0, A0, R15
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202 MVFACLO #0, A0, R15
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205 MVFACGU #0, A0, R15
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208 MVFACHI #0, A1, R15
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211 MVFACLO #0, A1, R15
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214 MVFACGU #0, A1, R15
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218 /* Restore the clobbered registers. */
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221 /* Now compare each register to ensure it still contains the value that was
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222 set before this loop was entered. */
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254 /* All comparisons passed, start a new itteratio of this loop. */
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258 /* A compare failed, just loop here so the loop counter stops incrementing
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259 - causing the check task to indicate the error. */
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projects / freertos / blob