2 * FreeRTOS Kernel V10.3.0
\r
3 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
\r
5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
\r
6 * this software and associated documentation files (the "Software"), to deal in
\r
7 * the Software without restriction, including without limitation the rights to
\r
8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
\r
9 * the Software, and to permit persons to whom the Software is furnished to do so,
\r
10 * subject to the following conditions:
\r
12 * The above copyright notice and this permission notice shall be included in all
\r
13 * copies or substantial portions of the Software.
\r
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
\r
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
\r
17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
\r
18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
\r
19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
\r
20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\r
22 * http://www.FreeRTOS.org
\r
23 * http://aws.amazon.com/freertos
\r
25 * 1 tab == 4 spaces!
\r
28 PUBLIC _vRegTest1Implementation
\r
29 PUBLIC _vRegTest2Implementation
\r
31 EXTERN _ulRegTest1LoopCounter
\r
32 EXTERN _ulRegTest2LoopCounter
\r
36 /* This function is explained in the comments at the top of main.c. */
\r
37 _vRegTest1Implementation:
\r
39 ;/* Put a known value in the guard byte of the accumulators. */
\r
45 /* Put a known value in each register. */
\r
62 ;/* Put a known value in the hi and low of the accumulators. */
\r
67 /* Loop, checking each iteration that each register still contains the
\r
71 /* Push the registers that are going to get clobbered. */
\r
74 /* Increment the loop counter to show this task is still getting CPU time. */
\r
75 MOV #_ulRegTest1LoopCounter, R14
\r
80 /* Yield to extend the text coverage. Set the bit in the ITU SWINTR register. */
\r
87 ;/* Check accumulators. */
\r
100 MVFACLO #0, A1, R15
\r
103 MVFACGU #0, A1, R15
\r
107 /* Restore the clobbered registers. */
\r
110 /* Now compare each register to ensure it still contains the value that was
\r
111 set before this loop was entered. */
\r
143 /* All comparisons passed, start a new itteratio of this loop. */
\r
147 /* A compare failed, just loop here so the loop counter stops incrementing
\r
148 - causing the check task to indicate the error. */
\r
150 /*-----------------------------------------------------------*/
\r
152 /* This function is explained in the comments at the top of main.c. */
\r
153 _vRegTest2Implementation:
\r
155 ;/* Put a known value in the guard byte of the accumulators. */
\r
161 /* Put a known value in each register. */
\r
178 ;/* Put a known value in the hi and low of the accumulators. */
\r
184 /* Loop, checking each iteration that each register still contains the
\r
188 /* Push the registers that are going to get clobbered. */
\r
191 /* Increment the loop counter to show this task is still getting CPU time. */
\r
192 MOV #_ulRegTest2LoopCounter, R14
\r
197 ;/* Check accumulators. */
\r
198 MVFACHI #0, A0, R15
\r
201 MVFACLO #0, A0, R15
\r
204 MVFACGU #0, A0, R15
\r
207 MVFACHI #0, A1, R15
\r
210 MVFACLO #0, A1, R15
\r
213 MVFACGU #0, A1, R15
\r
217 /* Restore the clobbered registers. */
\r
220 /* Now compare each register to ensure it still contains the value that was
\r
221 set before this loop was entered. */
\r
253 /* All comparisons passed, start a new itteratio of this loop. */
\r
257 /* A compare failed, just loop here so the loop counter stops incrementing
\r
258 - causing the check task to indicate the error. */
\r
projects / freertos / blob