2 FreeRTOS V7.3.0 - Copyright (C) 2012 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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32 >>>NOTE<<< The modification to the GPL is included to allow you to
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33 distribute a combined work that includes FreeRTOS without being obliged to
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34 provide the source code for proprietary components outside of the FreeRTOS
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35 kernel. FreeRTOS is distributed in the hope that it will be useful, but
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36 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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37 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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38 more details. You should have received a copy of the GNU General Public
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39 License and the FreeRTOS license exception along with FreeRTOS; if not it
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40 can be viewed here: http://www.freertos.org/a00114.html and also obtained
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41 by writing to Richard Barry, contact details for whom are available on the
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46 ***************************************************************************
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48 * Having a problem? Start by reading the FAQ "My application does *
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49 * not run, what could be wrong?" *
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51 * http://www.FreeRTOS.org/FAQHelp.html *
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53 ***************************************************************************
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56 http://www.FreeRTOS.org - Documentation, training, latest versions, license
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57 and contact details.
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59 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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60 including FreeRTOS+Trace - an indispensable productivity tool.
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62 Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell
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63 the code with commercial support, indemnification, and middleware, under
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64 the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also
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65 provide a safety engineered and independently SIL3 certified version under
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66 the SafeRTOS brand: http://www.SafeRTOS.com.
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70 * Creates all the demo application tasks, then starts the scheduler. The WEB
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71 * documentation provides more details of the demo application tasks.
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73 * In addition to the standard demo tasks, the follow demo specific tasks are
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76 * The "Check" task. This only executes every three seconds but has the highest
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77 * priority so is guaranteed to get processor time. Its main function is to
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78 * check that all the other tasks are still operational. Most tasks maintain
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79 * a unique count that is incremented each time the task successfully completes
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80 * its function. Should any error occur within such a task the count is
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81 * permanently halted. The check task inspects the count of each task to ensure
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82 * it has changed since the last time the check task executed. If all the count
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83 * variables have changed all the tasks are still executing error free, and the
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84 * check task toggles the onboard LED. Should any task contain an error at any time
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85 * the LED toggle rate will change from 3 seconds to 500ms.
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87 * The "Register Check" tasks. These tasks fill the CPU registers with known
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88 * values, then check that each register still contains the expected value, the
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89 * discovery of an unexpected value being indicative of an error in the RTOS
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90 * context switch mechanism. The register check tasks operate at low priority
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91 * so are switched in and out frequently.
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95 /* Scheduler includes. */
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96 #include "FreeRTOS.h"
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99 /* Xilinx library includes. */
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100 #include "xcache_l.h"
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103 /* Demo application includes. */
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105 #include "integer.h"
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106 #include "comtest2.h"
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107 #include "semtest.h"
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108 #include "BlockQ.h"
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109 #include "dynamic.h"
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110 #include "GenQTest.h"
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112 #include "blocktim.h"
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114 #include "partest.h"
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115 #include "countsem.h"
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116 #include "recmutex.h"
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118 #include "flop-reg-test.h"
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120 /* Priorities assigned to the demo tasks. */
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121 #define mainCHECK_TASK_PRIORITY ( tskIDLE_PRIORITY + 4 )
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122 #define mainSEM_TEST_PRIORITY ( tskIDLE_PRIORITY + 2 )
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123 #define mainCOM_TEST_PRIORITY ( tskIDLE_PRIORITY + 1 )
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124 #define mainQUEUE_BLOCK_PRIORITY ( tskIDLE_PRIORITY + 1 )
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125 #define mainDEATH_PRIORITY ( tskIDLE_PRIORITY + 1 )
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126 #define mainLED_TASK_PRIORITY ( tskIDLE_PRIORITY + 1 )
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127 #define mainGENERIC_QUEUE_PRIORITY ( tskIDLE_PRIORITY )
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128 #define mainQUEUE_POLL_PRIORITY ( tskIDLE_PRIORITY + 1 )
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129 #define mainFLOP_PRIORITY ( tskIDLE_PRIORITY )
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131 /* The first LED used by the COM test and check tasks respectively. */
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132 #define mainCOM_TEST_LED ( 4 )
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133 #define mainCHECK_TEST_LED ( 3 )
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135 /* The baud rate used by the comtest tasks is set by the hardware, so the
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136 baud rate parameters passed into the comtest initialisation has no effect. */
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137 #define mainBAUD_SET_IN_HARDWARE ( 0 )
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139 /* Delay periods used by the check task. If no errors have been found then
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140 the check LED will toggle every mainNO_ERROR_CHECK_DELAY milliseconds. If an
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141 error has been found at any time then the toggle rate will increase to
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142 mainERROR_CHECK_DELAY milliseconds. */
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143 #define mainNO_ERROR_CHECK_DELAY ( ( portTickType ) 3000 / portTICK_RATE_MS )
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144 #define mainERROR_CHECK_DELAY ( ( portTickType ) 500 / portTICK_RATE_MS )
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148 * The tasks defined within this file - described within the comments at the
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149 * head of this page.
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151 static void prvRegTestTask1( void *pvParameters );
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152 static void prvRegTestTask2( void *pvParameters );
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153 static void prvErrorChecks( void *pvParameters );
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156 * Called by the 'check' task to inspect all the standard demo tasks within
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157 * the system, as described within the comments at the head of this page.
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159 static portBASE_TYPE prvCheckOtherTasksAreStillRunning( void );
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162 * Perform any hardware initialisation required by the demo application.
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164 static void prvSetupHardware( void );
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166 /*-----------------------------------------------------------*/
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168 /* xRegTestStatus will get set to pdFAIL by the regtest tasks if they
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169 discover an unexpected value. */
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170 static volatile unsigned portBASE_TYPE xRegTestStatus = pdPASS;
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172 /* Counters used to ensure the regtest tasks are still running. */
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173 static volatile unsigned long ulRegTest1Counter = 0UL, ulRegTest2Counter = 0UL;
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175 /*-----------------------------------------------------------*/
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180 /* Must be called prior to installing any interrupt handlers! */
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181 vPortSetupInterruptController();
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183 /* In this case prvSetupHardware() just enables the caches and and
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184 configures the IO ports for the LED outputs. */
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185 prvSetupHardware();
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187 /* Start the standard demo application tasks. Note that the baud rate used
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188 by the comtest tasks is set by the hardware, so the baud rate parameter
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189 passed has no effect. */
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190 vStartLEDFlashTasks( mainLED_TASK_PRIORITY );
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191 vStartIntegerMathTasks( tskIDLE_PRIORITY );
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192 vAltStartComTestTasks( mainCOM_TEST_PRIORITY, mainBAUD_SET_IN_HARDWARE, mainCOM_TEST_LED );
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193 vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
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194 vStartBlockingQueueTasks ( mainQUEUE_BLOCK_PRIORITY );
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195 vStartDynamicPriorityTasks();
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196 vStartGenericQueueTasks( mainGENERIC_QUEUE_PRIORITY );
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197 vStartQueuePeekTasks();
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198 vCreateBlockTimeTasks();
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199 vStartCountingSemaphoreTasks();
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200 vStartRecursiveMutexTasks();
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202 #if ( configUSE_FPU == 1 )
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203 vStartMathTasks( mainFLOP_PRIORITY );
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204 vStartFlopRegTests();
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207 /* Create the tasks defined within this file. */
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208 xTaskCreate( prvRegTestTask1, ( signed char * ) "Regtest1", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
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209 xTaskCreate( prvRegTestTask2, ( signed char * ) "Regtest2", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
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210 xTaskCreate( prvErrorChecks, ( signed char * ) "Check", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY, NULL );
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212 /* The suicide tasks must be started last as they record the number of other
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213 tasks that exist within the system. The value is then used to ensure at run
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214 time the number of tasks that exists is within expected bounds. */
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215 vCreateSuicidalTasks( mainDEATH_PRIORITY );
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217 /* Now start the scheduler. Following this call the created tasks should
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219 vTaskStartScheduler();
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221 /* vTaskStartScheduler() will only return if an error occurs while the
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222 idle task is being created. */
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227 /*-----------------------------------------------------------*/
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229 static portBASE_TYPE prvCheckOtherTasksAreStillRunning( void )
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231 portBASE_TYPE lReturn = pdPASS;
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232 static unsigned long ulLastRegTest1Counter= 0UL, ulLastRegTest2Counter = 0UL;
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234 /* The demo tasks maintain a count that increments every cycle of the task
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235 provided that the task has never encountered an error. This function
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236 checks the counts maintained by the tasks to ensure they are still being
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237 incremented. A count remaining at the same value between calls therefore
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238 indicates that an error has been detected. */
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240 if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
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245 if( xAreComTestTasksStillRunning() != pdTRUE )
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250 if( xAreSemaphoreTasksStillRunning() != pdTRUE )
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255 if( xAreBlockingQueuesStillRunning() != pdTRUE )
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260 if( xAreDynamicPriorityTasksStillRunning() != pdTRUE )
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265 if( xIsCreateTaskStillRunning() != pdTRUE )
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270 if( xAreBlockTimeTestTasksStillRunning() != pdTRUE )
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275 if( xAreGenericQueueTasksStillRunning() != pdTRUE )
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280 if( xAreQueuePeekTasksStillRunning() != pdTRUE )
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285 if( xAreCountingSemaphoreTasksStillRunning() != pdTRUE )
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290 if( xAreRecursiveMutexTasksStillRunning() != pdTRUE )
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295 #if ( configUSE_FPU == 1 )
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296 if( xAreMathsTaskStillRunning() != pdTRUE )
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301 if( xAreFlopRegisterTestsStillRunning() != pdTRUE )
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307 /* Have the register test tasks found any errors? */
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308 if( xRegTestStatus != pdPASS )
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313 /* Are the register test tasks still looping? */
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314 if( ulLastRegTest1Counter == ulRegTest1Counter )
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320 ulLastRegTest1Counter = ulRegTest1Counter;
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323 if( ulLastRegTest2Counter == ulRegTest2Counter )
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329 ulLastRegTest2Counter = ulRegTest2Counter;
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334 /*-----------------------------------------------------------*/
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336 static void prvErrorChecks( void *pvParameters )
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338 portTickType xDelayPeriod = mainNO_ERROR_CHECK_DELAY, xLastExecutionTime;
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339 volatile unsigned portBASE_TYPE uxFreeStack;
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341 /* Just to remove compiler warning. */
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342 ( void ) pvParameters;
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344 /* This call is just to demonstrate the use of the function - nothing is
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345 done with the value. You would expect the stack high water mark to be
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346 lower (the function to return a larger value) here at function entry than
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347 later following calls to other functions. */
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348 uxFreeStack = uxTaskGetStackHighWaterMark( NULL );
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350 /* Initialise xLastExecutionTime so the first call to vTaskDelayUntil()
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351 works correctly. */
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352 xLastExecutionTime = xTaskGetTickCount();
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354 /* Cycle for ever, delaying then checking all the other tasks are still
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355 operating without error. */
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358 /* Again just for demo purposes - uxFreeStack should have a lower value
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359 here than following the call to uxTaskGetStackHighWaterMark() on the
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361 uxFreeStack = uxTaskGetStackHighWaterMark( NULL );
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363 /* Wait until it is time to check again. The time we wait here depends
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364 on whether an error has been detected or not. When an error is
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365 detected the time is shortened resulting in a faster LED flash rate. */
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366 vTaskDelayUntil( &xLastExecutionTime, xDelayPeriod );
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368 /* See if the other tasks are all ok. */
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369 if( prvCheckOtherTasksAreStillRunning() != pdPASS )
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371 /* An error occurred in one of the tasks so shorten the delay
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372 period - which has the effect of increasing the frequency of the
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374 xDelayPeriod = mainERROR_CHECK_DELAY;
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378 vParTestToggleLED( mainCHECK_TEST_LED );
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381 /*-----------------------------------------------------------*/
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383 static void prvSetupHardware( void )
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385 XCache_EnableICache( 0x80000000 );
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386 XCache_EnableDCache( 0x80000000 );
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388 /* Setup the IO port for use with the LED outputs. */
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389 vParTestInitialise();
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391 /*-----------------------------------------------------------*/
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393 void prvRegTest1Pass( void )
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395 /* Called from the inline assembler - this cannot be static
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396 otherwise it can get optimised away. */
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397 ulRegTest1Counter++;
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399 /*-----------------------------------------------------------*/
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401 void prvRegTest2Pass( void )
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403 /* Called from the inline assembler - this cannot be static
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404 otherwise it can get optimised away. */
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405 ulRegTest2Counter++;
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407 /*-----------------------------------------------------------*/
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409 void prvRegTestFail( void )
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411 /* Called from the inline assembler - this cannot be static
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412 otherwise it can get optimised away. */
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413 xRegTestStatus = pdFAIL;
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415 /*-----------------------------------------------------------*/
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417 static void prvRegTestTask1( void *pvParameters )
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419 /* Just to remove compiler warning. */
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420 ( void ) pvParameters;
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422 /* The first register test task as described at the top of this file. The
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423 values used in the registers are different to those use in the second
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424 register test task. Also, unlike the second register test task, this task
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425 yields between setting the register values and subsequently checking the
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426 register values. */
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429 "RegTest1Start: \n\t" \
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431 " li 0, 301 \n\t" \
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432 " mtspr 256, 0 #USPRG0 \n\t" \
\r
433 " li 0, 501 \n\t" \
\r
434 " mtspr 8, 0 #LR \n\t" \
\r
436 " mtspr 1, 0 #XER \n\t" \
\r
447 " li 10, 10 \n\t" \
\r
448 " li 11, 11 \n\t" \
\r
449 " li 12, 12 \n\t" \
\r
450 " li 13, 13 \n\t" \
\r
451 " li 14, 14 \n\t" \
\r
452 " li 15, 15 \n\t" \
\r
453 " li 16, 16 \n\t" \
\r
454 " li 17, 17 \n\t" \
\r
455 " li 18, 18 \n\t" \
\r
456 " li 19, 19 \n\t" \
\r
457 " li 20, 20 \n\t" \
\r
458 " li 21, 21 \n\t" \
\r
459 " li 22, 22 \n\t" \
\r
460 " li 23, 23 \n\t" \
\r
461 " li 24, 24 \n\t" \
\r
462 " li 25, 25 \n\t" \
\r
463 " li 26, 26 \n\t" \
\r
464 " li 27, 27 \n\t" \
\r
465 " li 28, 28 \n\t" \
\r
466 " li 29, 29 \n\t" \
\r
467 " li 30, 30 \n\t" \
\r
468 " li 31, 31 \n\t" \
\r
473 " cmpwi 0, 1 \n\t" \
\r
474 " bne RegTest1Fail \n\t" \
\r
475 " cmpwi 2, 2 \n\t" \
\r
476 " bne RegTest1Fail \n\t" \
\r
477 " cmpwi 3, 3 \n\t" \
\r
478 " bne RegTest1Fail \n\t" \
\r
479 " cmpwi 4, 4 \n\t" \
\r
480 " bne RegTest1Fail \n\t" \
\r
481 " cmpwi 5, 5 \n\t" \
\r
482 " bne RegTest1Fail \n\t" \
\r
483 " cmpwi 6, 6 \n\t" \
\r
484 " bne RegTest1Fail \n\t" \
\r
485 " cmpwi 7, 7 \n\t" \
\r
486 " bne RegTest1Fail \n\t" \
\r
487 " cmpwi 8, 8 \n\t" \
\r
488 " bne RegTest1Fail \n\t" \
\r
489 " cmpwi 9, 9 \n\t" \
\r
490 " bne RegTest1Fail \n\t" \
\r
491 " cmpwi 10, 10 \n\t" \
\r
492 " bne RegTest1Fail \n\t" \
\r
493 " cmpwi 11, 11 \n\t" \
\r
494 " bne RegTest1Fail \n\t" \
\r
495 " cmpwi 12, 12 \n\t" \
\r
496 " bne RegTest1Fail \n\t" \
\r
497 " cmpwi 13, 13 \n\t" \
\r
498 " bne RegTest1Fail \n\t" \
\r
499 " cmpwi 14, 14 \n\t" \
\r
500 " bne RegTest1Fail \n\t" \
\r
501 " cmpwi 15, 15 \n\t" \
\r
502 " bne RegTest1Fail \n\t" \
\r
503 " cmpwi 16, 16 \n\t" \
\r
504 " bne RegTest1Fail \n\t" \
\r
505 " cmpwi 17, 17 \n\t" \
\r
506 " bne RegTest1Fail \n\t" \
\r
507 " cmpwi 18, 18 \n\t" \
\r
508 " bne RegTest1Fail \n\t" \
\r
509 " cmpwi 19, 19 \n\t" \
\r
510 " bne RegTest1Fail \n\t" \
\r
511 " cmpwi 20, 20 \n\t" \
\r
512 " bne RegTest1Fail \n\t" \
\r
513 " cmpwi 21, 21 \n\t" \
\r
514 " bne RegTest1Fail \n\t" \
\r
515 " cmpwi 22, 22 \n\t" \
\r
516 " bne RegTest1Fail \n\t" \
\r
517 " cmpwi 23, 23 \n\t" \
\r
518 " bne RegTest1Fail \n\t" \
\r
519 " cmpwi 24, 24 \n\t" \
\r
520 " bne RegTest1Fail \n\t" \
\r
521 " cmpwi 25, 25 \n\t" \
\r
522 " bne RegTest1Fail \n\t" \
\r
523 " cmpwi 26, 26 \n\t" \
\r
524 " bne RegTest1Fail \n\t" \
\r
525 " cmpwi 27, 27 \n\t" \
\r
526 " bne RegTest1Fail \n\t" \
\r
527 " cmpwi 28, 28 \n\t" \
\r
528 " bne RegTest1Fail \n\t" \
\r
529 " cmpwi 29, 29 \n\t" \
\r
530 " bne RegTest1Fail \n\t" \
\r
531 " cmpwi 30, 30 \n\t" \
\r
532 " bne RegTest1Fail \n\t" \
\r
533 " cmpwi 31, 31 \n\t" \
\r
534 " bne RegTest1Fail \n\t" \
\r
536 " mfspr 0, 256 #USPRG0 \n\t" \
\r
537 " cmpwi 0, 301 \n\t" \
\r
538 " bne RegTest1Fail \n\t" \
\r
539 " mfspr 0, 8 #LR \n\t" \
\r
540 " cmpwi 0, 501 \n\t" \
\r
541 " bne RegTest1Fail \n\t" \
\r
542 " mfspr 0, 1 #XER \n\t" \
\r
543 " cmpwi 0, 4 \n\t" \
\r
544 " bne RegTest1Fail \n\t" \
\r
546 " bl prvRegTest1Pass \n\t" \
\r
547 " b RegTest1Start \n\t" \
\r
549 "RegTest1Fail: \n\t" \
\r
552 " bl prvRegTestFail \n\t" \
\r
553 " b RegTest1Start \n\t" \
\r
556 /*-----------------------------------------------------------*/
\r
558 static void prvRegTestTask2( void *pvParameters )
\r
560 /* Just to remove compiler warning. */
\r
561 ( void ) pvParameters;
\r
563 /* The second register test task as described at the top of this file.
\r
564 Note that this task fills the registers with different values to the
\r
565 first register test task. */
\r
568 "RegTest2Start: \n\t" \
\r
570 " li 0, 300 \n\t" \
\r
571 " mtspr 256, 0 #USPRG0 \n\t" \
\r
572 " li 0, 500 \n\t" \
\r
573 " mtspr 8, 0 #LR \n\t" \
\r
575 " mtspr 1, 0 #XER \n\t" \
\r
586 " li 10, 110 \n\t" \
\r
587 " li 11, 111 \n\t" \
\r
588 " li 12, 112 \n\t" \
\r
589 " li 13, 113 \n\t" \
\r
590 " li 14, 114 \n\t" \
\r
591 " li 15, 115 \n\t" \
\r
592 " li 16, 116 \n\t" \
\r
593 " li 17, 117 \n\t" \
\r
594 " li 18, 118 \n\t" \
\r
595 " li 19, 119 \n\t" \
\r
596 " li 20, 120 \n\t" \
\r
597 " li 21, 121 \n\t" \
\r
598 " li 22, 122 \n\t" \
\r
599 " li 23, 123 \n\t" \
\r
600 " li 24, 124 \n\t" \
\r
601 " li 25, 125 \n\t" \
\r
602 " li 26, 126 \n\t" \
\r
603 " li 27, 127 \n\t" \
\r
604 " li 28, 128 \n\t" \
\r
605 " li 29, 129 \n\t" \
\r
606 " li 30, 130 \n\t" \
\r
607 " li 31, 131 \n\t" \
\r
609 " cmpwi 0, 11 \n\t" \
\r
610 " bne RegTest2Fail \n\t" \
\r
611 " cmpwi 2, 12 \n\t" \
\r
612 " bne RegTest2Fail \n\t" \
\r
613 " cmpwi 3, 13 \n\t" \
\r
614 " bne RegTest2Fail \n\t" \
\r
615 " cmpwi 4, 14 \n\t" \
\r
616 " bne RegTest2Fail \n\t" \
\r
617 " cmpwi 5, 15 \n\t" \
\r
618 " bne RegTest2Fail \n\t" \
\r
619 " cmpwi 6, 16 \n\t" \
\r
620 " bne RegTest2Fail \n\t" \
\r
621 " cmpwi 7, 17 \n\t" \
\r
622 " bne RegTest2Fail \n\t" \
\r
623 " cmpwi 8, 18 \n\t" \
\r
624 " bne RegTest2Fail \n\t" \
\r
625 " cmpwi 9, 19 \n\t" \
\r
626 " bne RegTest2Fail \n\t" \
\r
627 " cmpwi 10, 110 \n\t" \
\r
628 " bne RegTest2Fail \n\t" \
\r
629 " cmpwi 11, 111 \n\t" \
\r
630 " bne RegTest2Fail \n\t" \
\r
631 " cmpwi 12, 112 \n\t" \
\r
632 " bne RegTest2Fail \n\t" \
\r
633 " cmpwi 13, 113 \n\t" \
\r
634 " bne RegTest2Fail \n\t" \
\r
635 " cmpwi 14, 114 \n\t" \
\r
636 " bne RegTest2Fail \n\t" \
\r
637 " cmpwi 15, 115 \n\t" \
\r
638 " bne RegTest2Fail \n\t" \
\r
639 " cmpwi 16, 116 \n\t" \
\r
640 " bne RegTest2Fail \n\t" \
\r
641 " cmpwi 17, 117 \n\t" \
\r
642 " bne RegTest2Fail \n\t" \
\r
643 " cmpwi 18, 118 \n\t" \
\r
644 " bne RegTest2Fail \n\t" \
\r
645 " cmpwi 19, 119 \n\t" \
\r
646 " bne RegTest2Fail \n\t" \
\r
647 " cmpwi 20, 120 \n\t" \
\r
648 " bne RegTest2Fail \n\t" \
\r
649 " cmpwi 21, 121 \n\t" \
\r
650 " bne RegTest2Fail \n\t" \
\r
651 " cmpwi 22, 122 \n\t" \
\r
652 " bne RegTest2Fail \n\t" \
\r
653 " cmpwi 23, 123 \n\t" \
\r
654 " bne RegTest2Fail \n\t" \
\r
655 " cmpwi 24, 124 \n\t" \
\r
656 " bne RegTest2Fail \n\t" \
\r
657 " cmpwi 25, 125 \n\t" \
\r
658 " bne RegTest2Fail \n\t" \
\r
659 " cmpwi 26, 126 \n\t" \
\r
660 " bne RegTest2Fail \n\t" \
\r
661 " cmpwi 27, 127 \n\t" \
\r
662 " bne RegTest2Fail \n\t" \
\r
663 " cmpwi 28, 128 \n\t" \
\r
664 " bne RegTest2Fail \n\t" \
\r
665 " cmpwi 29, 129 \n\t" \
\r
666 " bne RegTest2Fail \n\t" \
\r
667 " cmpwi 30, 130 \n\t" \
\r
668 " bne RegTest2Fail \n\t" \
\r
669 " cmpwi 31, 131 \n\t" \
\r
670 " bne RegTest2Fail \n\t" \
\r
672 " mfspr 0, 256 #USPRG0 \n\t" \
\r
673 " cmpwi 0, 300 \n\t" \
\r
674 " bne RegTest2Fail \n\t" \
\r
675 " mfspr 0, 8 #LR \n\t" \
\r
676 " cmpwi 0, 500 \n\t" \
\r
677 " bne RegTest2Fail \n\t" \
\r
678 " mfspr 0, 1 #XER \n\t" \
\r
679 " cmpwi 0, 4 \n\t" \
\r
680 " bne RegTest2Fail \n\t" \
\r
682 " bl prvRegTest2Pass \n\t" \
\r
683 " b RegTest2Start \n\t" \
\r
685 "RegTest2Fail: \n\t" \
\r
688 " bl prvRegTestFail \n\t" \
\r
689 " b RegTest2Start \n\t" \
\r
692 /*-----------------------------------------------------------*/
\r
694 /* This hook function will get called if there is a suspected stack overflow.
\r
695 An overflow can cause the task name to be corrupted, in which case the task
\r
696 handle needs to be used to determine the offending task. */
\r
697 void vApplicationStackOverflowHook( xTaskHandle xTask, signed char *pcTaskName );
\r
698 void vApplicationStackOverflowHook( xTaskHandle xTask, signed char *pcTaskName )
\r
700 /* To prevent the optimiser removing the variables. */
\r
701 volatile xTaskHandle xTaskIn = xTask;
\r
702 volatile signed char *pcTaskNameIn = pcTaskName;
\r
704 /* Remove compiler warnings. */
\r
706 ( void ) pcTaskNameIn;
\r
708 /* The following three calls are simply to stop compiler warnings about the
\r
709 functions not being used - they are called from the inline assembly. */
\r
projects / freertos / blob