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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14 ; * FreeRTOS name, please do so in a fair use way that does not cause confusion.
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26 ; * 1 tab == 4 spaces!
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29 .global _vRegTest1Implementation
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30 .global _vRegTest2Implementation
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32 .extern _ulRegTest1LoopCounter
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33 .extern _ulRegTest2LoopCounter
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38 ;/* This function is explained in the comments at the top of main.c. */
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39 _vRegTest1Implementation:
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41 ;/* Put a known value in the guard byte of the accumulators. */
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47 ;/* Put a known value in each register. */
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64 ;/* Put a known value in the hi and low of the accumulators. */
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70 ;/* Loop, checking each iteration that each register still contains the
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74 ;/* Push the registers that are going to get clobbered. */
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77 ;/* Increment the loop counter to show this task is still getting CPU time. */
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78 MOV.L #_ulRegTest1LoopCounter, R14
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83 ;/* Yield to extend the text coverage. Set the bit in the ITU SWINTR register. */
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90 ;/* Check accumulators. */
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100 MVFACHI #0, A1, R15
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103 MVFACLO #0, A1, R15
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106 MVFACGU #0, A1, R15
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110 ;/* Restore the clobbered registers. */
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113 ;/* Now compare each register to ensure it still contains the value that was
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114 ;set before this loop was entered. */
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146 ;/* All comparisons passed, start a new itteratio of this loop. */
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150 ;/* A compare failed, just loop here so the loop counter stops incrementing
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151 ;- causing the check task to indicate the error. */
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153 ;/*-----------------------------------------------------------*/
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155 ;/* This function is explained in the comments at the top of main.c. */
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156 _vRegTest2Implementation:
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158 ;/* Put a known value in the guard byte of the accumulators. */
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164 ;/* Put a known value in each general purpose register. */
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181 ;/* Put a known value in the hi and low of the accumulators. */
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187 ;/* Loop, checking each iteration that each register still contains the
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188 ;expected value. */
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191 ;/* Push the registers that are going to get clobbered. */
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194 ;/* Increment the loop counter to show this task is still getting CPU time. */
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195 MOV.L #_ulRegTest2LoopCounter, R14
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200 ;/* Check accumulators. */
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201 MVFACHI #0, A0, R15
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204 MVFACLO #0, A0, R15
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207 MVFACGU #0, A0, R15
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210 MVFACHI #0, A1, R15
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213 MVFACLO #0, A1, R15
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216 MVFACGU #0, A1, R15
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220 ;/* Restore the clobbered registers. */
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223 ;/* Now compare each register to ensure it still contains the value that was
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224 ;set before this loop was entered. */
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256 ;/* All comparisons passed, start a new itteratio of this loop. */
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260 ;/* A compare failed, just loop here so the loop counter stops incrementing
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261 ;- causing the check task to indicate the error. */
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