2 FreeRTOS V7.4.1 - Copyright (C) 2013 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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33 >>>>>>NOTE<<<<<< The modification to the GPL is included to allow you to
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34 distribute a combined work that includes FreeRTOS without being obliged to
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35 provide the source code for proprietary components outside of the FreeRTOS
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38 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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39 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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40 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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41 details. You should have received a copy of the GNU General Public License
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42 and the FreeRTOS license exception along with FreeRTOS; if not it can be
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43 viewed here: http://www.freertos.org/a00114.html and also obtained by
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44 writing to Real Time Engineers Ltd., contact details for whom are available
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45 on the FreeRTOS WEB site.
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49 ***************************************************************************
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51 * Having a problem? Start by reading the FAQ "My application does *
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52 * not run, what could be wrong?" *
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54 * http://www.FreeRTOS.org/FAQHelp.html *
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56 ***************************************************************************
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59 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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60 license and Real Time Engineers Ltd. contact details.
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62 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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63 including FreeRTOS+Trace - an indispensable productivity tool, and our new
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64 fully thread aware and reentrant UDP/IP stack.
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66 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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67 Integrity Systems, who sell the code with commercial support,
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68 indemnification and middleware, under the OpenRTOS brand.
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70 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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71 engineered and independently SIL3 certified version for use in safety and
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72 mission critical applications that require provable dependability.
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76 * Creates all the demo application tasks, then starts the scheduler. The WEB
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77 * documentation provides more details of the demo application tasks.
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79 * In addition to the standard demo tasks, the follow demo specific tasks are
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82 * The "Check" task. This only executes every three seconds but has the highest
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83 * priority so is guaranteed to get processor time. Its main function is to
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84 * check that all the other tasks are still operational. Most tasks maintain
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85 * a unique count that is incremented each time the task successfully completes
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86 * its function. Should any error occur within such a task the count is
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87 * permanently halted. The check task inspects the count of each task to ensure
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88 * it has changed since the last time the check task executed. If all the count
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89 * variables have changed all the tasks are still executing error free, and the
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90 * check task toggles the onboard LED. Should any task contain an error at any time
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91 * the LED toggle rate will change from 3 seconds to 500ms.
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93 * The "Register Check" tasks. These tasks fill the CPU registers with known
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94 * values, then check that each register still contains the expected value, the
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95 * discovery of an unexpected value being indicative of an error in the RTOS
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96 * context switch mechanism. The register check tasks operate at low priority
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97 * so are switched in and out frequently.
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101 /* Scheduler includes. */
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102 #include "FreeRTOS.h"
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105 /* Xilinx library includes. */
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106 #include "xcache_l.h"
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109 /* Demo application includes. */
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111 #include "integer.h"
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112 #include "comtest2.h"
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113 #include "semtest.h"
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114 #include "BlockQ.h"
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115 #include "dynamic.h"
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116 #include "GenQTest.h"
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118 #include "blocktim.h"
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120 #include "partest.h"
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121 #include "countsem.h"
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122 #include "recmutex.h"
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124 #include "flop-reg-test.h"
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126 /* Priorities assigned to the demo tasks. */
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127 #define mainCHECK_TASK_PRIORITY ( tskIDLE_PRIORITY + 4 )
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128 #define mainSEM_TEST_PRIORITY ( tskIDLE_PRIORITY + 2 )
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129 #define mainCOM_TEST_PRIORITY ( tskIDLE_PRIORITY + 1 )
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130 #define mainQUEUE_BLOCK_PRIORITY ( tskIDLE_PRIORITY + 1 )
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131 #define mainDEATH_PRIORITY ( tskIDLE_PRIORITY + 1 )
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132 #define mainLED_TASK_PRIORITY ( tskIDLE_PRIORITY + 1 )
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133 #define mainGENERIC_QUEUE_PRIORITY ( tskIDLE_PRIORITY )
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134 #define mainQUEUE_POLL_PRIORITY ( tskIDLE_PRIORITY + 1 )
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135 #define mainFLOP_PRIORITY ( tskIDLE_PRIORITY )
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137 /* The first LED used by the COM test and check tasks respectively. */
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138 #define mainCOM_TEST_LED ( 4 )
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139 #define mainCHECK_TEST_LED ( 3 )
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141 /* The baud rate used by the comtest tasks is set by the hardware, so the
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142 baud rate parameters passed into the comtest initialisation has no effect. */
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143 #define mainBAUD_SET_IN_HARDWARE ( 0 )
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145 /* Delay periods used by the check task. If no errors have been found then
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146 the check LED will toggle every mainNO_ERROR_CHECK_DELAY milliseconds. If an
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147 error has been found at any time then the toggle rate will increase to
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148 mainERROR_CHECK_DELAY milliseconds. */
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149 #define mainNO_ERROR_CHECK_DELAY ( ( portTickType ) 3000 / portTICK_RATE_MS )
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150 #define mainERROR_CHECK_DELAY ( ( portTickType ) 500 / portTICK_RATE_MS )
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154 * The tasks defined within this file - described within the comments at the
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155 * head of this page.
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157 static void prvRegTestTask1( void *pvParameters );
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158 static void prvRegTestTask2( void *pvParameters );
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159 static void prvErrorChecks( void *pvParameters );
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162 * Called by the 'check' task to inspect all the standard demo tasks within
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163 * the system, as described within the comments at the head of this page.
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165 static portBASE_TYPE prvCheckOtherTasksAreStillRunning( void );
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168 * Perform any hardware initialisation required by the demo application.
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170 static void prvSetupHardware( void );
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172 /*-----------------------------------------------------------*/
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174 /* xRegTestStatus will get set to pdFAIL by the regtest tasks if they
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175 discover an unexpected value. */
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176 static volatile unsigned portBASE_TYPE xRegTestStatus = pdPASS;
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178 /* Counters used to ensure the regtest tasks are still running. */
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179 static volatile unsigned long ulRegTest1Counter = 0UL, ulRegTest2Counter = 0UL;
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181 /*-----------------------------------------------------------*/
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186 /* Must be called prior to installing any interrupt handlers! */
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187 vPortSetupInterruptController();
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189 /* In this case prvSetupHardware() just enables the caches and and
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190 configures the IO ports for the LED outputs. */
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191 prvSetupHardware();
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193 /* Start the standard demo application tasks. Note that the baud rate used
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194 by the comtest tasks is set by the hardware, so the baud rate parameter
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195 passed has no effect. */
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196 vStartLEDFlashTasks( mainLED_TASK_PRIORITY );
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197 vStartIntegerMathTasks( tskIDLE_PRIORITY );
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198 vAltStartComTestTasks( mainCOM_TEST_PRIORITY, mainBAUD_SET_IN_HARDWARE, mainCOM_TEST_LED );
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199 vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
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200 vStartBlockingQueueTasks ( mainQUEUE_BLOCK_PRIORITY );
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201 vStartDynamicPriorityTasks();
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202 vStartGenericQueueTasks( mainGENERIC_QUEUE_PRIORITY );
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203 vStartQueuePeekTasks();
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204 vCreateBlockTimeTasks();
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205 vStartCountingSemaphoreTasks();
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206 vStartRecursiveMutexTasks();
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208 #if ( configUSE_FPU == 1 )
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209 vStartMathTasks( mainFLOP_PRIORITY );
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210 vStartFlopRegTests();
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213 /* Create the tasks defined within this file. */
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214 xTaskCreate( prvRegTestTask1, ( signed char * ) "Regtest1", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
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215 xTaskCreate( prvRegTestTask2, ( signed char * ) "Regtest2", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
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216 xTaskCreate( prvErrorChecks, ( signed char * ) "Check", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY, NULL );
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218 /* The suicide tasks must be started last as they record the number of other
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219 tasks that exist within the system. The value is then used to ensure at run
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220 time the number of tasks that exists is within expected bounds. */
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221 vCreateSuicidalTasks( mainDEATH_PRIORITY );
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223 /* Now start the scheduler. Following this call the created tasks should
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225 vTaskStartScheduler();
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227 /* vTaskStartScheduler() will only return if an error occurs while the
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228 idle task is being created. */
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233 /*-----------------------------------------------------------*/
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235 static portBASE_TYPE prvCheckOtherTasksAreStillRunning( void )
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237 portBASE_TYPE lReturn = pdPASS;
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238 static unsigned long ulLastRegTest1Counter= 0UL, ulLastRegTest2Counter = 0UL;
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240 /* The demo tasks maintain a count that increments every cycle of the task
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241 provided that the task has never encountered an error. This function
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242 checks the counts maintained by the tasks to ensure they are still being
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243 incremented. A count remaining at the same value between calls therefore
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244 indicates that an error has been detected. */
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246 if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
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251 if( xAreComTestTasksStillRunning() != pdTRUE )
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256 if( xAreSemaphoreTasksStillRunning() != pdTRUE )
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261 if( xAreBlockingQueuesStillRunning() != pdTRUE )
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266 if( xAreDynamicPriorityTasksStillRunning() != pdTRUE )
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271 if( xIsCreateTaskStillRunning() != pdTRUE )
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276 if( xAreBlockTimeTestTasksStillRunning() != pdTRUE )
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281 if( xAreGenericQueueTasksStillRunning() != pdTRUE )
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286 if( xAreQueuePeekTasksStillRunning() != pdTRUE )
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291 if( xAreCountingSemaphoreTasksStillRunning() != pdTRUE )
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296 if( xAreRecursiveMutexTasksStillRunning() != pdTRUE )
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301 #if ( configUSE_FPU == 1 )
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302 if( xAreMathsTaskStillRunning() != pdTRUE )
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307 if( xAreFlopRegisterTestsStillRunning() != pdTRUE )
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313 /* Have the register test tasks found any errors? */
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314 if( xRegTestStatus != pdPASS )
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319 /* Are the register test tasks still looping? */
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320 if( ulLastRegTest1Counter == ulRegTest1Counter )
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326 ulLastRegTest1Counter = ulRegTest1Counter;
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329 if( ulLastRegTest2Counter == ulRegTest2Counter )
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335 ulLastRegTest2Counter = ulRegTest2Counter;
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340 /*-----------------------------------------------------------*/
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342 static void prvErrorChecks( void *pvParameters )
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344 portTickType xDelayPeriod = mainNO_ERROR_CHECK_DELAY, xLastExecutionTime;
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345 volatile unsigned portBASE_TYPE uxFreeStack;
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347 /* Just to remove compiler warning. */
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348 ( void ) pvParameters;
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350 /* This call is just to demonstrate the use of the function - nothing is
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351 done with the value. You would expect the stack high water mark to be
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352 lower (the function to return a larger value) here at function entry than
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353 later following calls to other functions. */
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354 uxFreeStack = uxTaskGetStackHighWaterMark( NULL );
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356 /* Initialise xLastExecutionTime so the first call to vTaskDelayUntil()
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357 works correctly. */
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358 xLastExecutionTime = xTaskGetTickCount();
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360 /* Cycle for ever, delaying then checking all the other tasks are still
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361 operating without error. */
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364 /* Again just for demo purposes - uxFreeStack should have a lower value
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365 here than following the call to uxTaskGetStackHighWaterMark() on the
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367 uxFreeStack = uxTaskGetStackHighWaterMark( NULL );
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369 /* Wait until it is time to check again. The time we wait here depends
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370 on whether an error has been detected or not. When an error is
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371 detected the time is shortened resulting in a faster LED flash rate. */
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372 vTaskDelayUntil( &xLastExecutionTime, xDelayPeriod );
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374 /* See if the other tasks are all ok. */
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375 if( prvCheckOtherTasksAreStillRunning() != pdPASS )
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377 /* An error occurred in one of the tasks so shorten the delay
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378 period - which has the effect of increasing the frequency of the
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380 xDelayPeriod = mainERROR_CHECK_DELAY;
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384 vParTestToggleLED( mainCHECK_TEST_LED );
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387 /*-----------------------------------------------------------*/
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389 static void prvSetupHardware( void )
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391 XCache_EnableICache( 0x80000000 );
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392 XCache_EnableDCache( 0x80000000 );
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394 /* Setup the IO port for use with the LED outputs. */
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395 vParTestInitialise();
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397 /*-----------------------------------------------------------*/
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399 void prvRegTest1Pass( void )
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401 /* Called from the inline assembler - this cannot be static
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402 otherwise it can get optimised away. */
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403 ulRegTest1Counter++;
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405 /*-----------------------------------------------------------*/
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407 void prvRegTest2Pass( void )
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409 /* Called from the inline assembler - this cannot be static
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410 otherwise it can get optimised away. */
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411 ulRegTest2Counter++;
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413 /*-----------------------------------------------------------*/
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415 void prvRegTestFail( void )
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417 /* Called from the inline assembler - this cannot be static
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418 otherwise it can get optimised away. */
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419 xRegTestStatus = pdFAIL;
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421 /*-----------------------------------------------------------*/
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423 static void prvRegTestTask1( void *pvParameters )
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425 /* Just to remove compiler warning. */
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426 ( void ) pvParameters;
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428 /* The first register test task as described at the top of this file. The
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429 values used in the registers are different to those use in the second
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430 register test task. Also, unlike the second register test task, this task
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431 yields between setting the register values and subsequently checking the
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432 register values. */
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435 "RegTest1Start: \n\t" \
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437 " li 0, 301 \n\t" \
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438 " mtspr 256, 0 #USPRG0 \n\t" \
\r
439 " li 0, 501 \n\t" \
\r
440 " mtspr 8, 0 #LR \n\t" \
\r
442 " mtspr 1, 0 #XER \n\t" \
\r
453 " li 10, 10 \n\t" \
\r
454 " li 11, 11 \n\t" \
\r
455 " li 12, 12 \n\t" \
\r
456 " li 13, 13 \n\t" \
\r
457 " li 14, 14 \n\t" \
\r
458 " li 15, 15 \n\t" \
\r
459 " li 16, 16 \n\t" \
\r
460 " li 17, 17 \n\t" \
\r
461 " li 18, 18 \n\t" \
\r
462 " li 19, 19 \n\t" \
\r
463 " li 20, 20 \n\t" \
\r
464 " li 21, 21 \n\t" \
\r
465 " li 22, 22 \n\t" \
\r
466 " li 23, 23 \n\t" \
\r
467 " li 24, 24 \n\t" \
\r
468 " li 25, 25 \n\t" \
\r
469 " li 26, 26 \n\t" \
\r
470 " li 27, 27 \n\t" \
\r
471 " li 28, 28 \n\t" \
\r
472 " li 29, 29 \n\t" \
\r
473 " li 30, 30 \n\t" \
\r
474 " li 31, 31 \n\t" \
\r
479 " cmpwi 0, 1 \n\t" \
\r
480 " bne RegTest1Fail \n\t" \
\r
481 " cmpwi 2, 2 \n\t" \
\r
482 " bne RegTest1Fail \n\t" \
\r
483 " cmpwi 3, 3 \n\t" \
\r
484 " bne RegTest1Fail \n\t" \
\r
485 " cmpwi 4, 4 \n\t" \
\r
486 " bne RegTest1Fail \n\t" \
\r
487 " cmpwi 5, 5 \n\t" \
\r
488 " bne RegTest1Fail \n\t" \
\r
489 " cmpwi 6, 6 \n\t" \
\r
490 " bne RegTest1Fail \n\t" \
\r
491 " cmpwi 7, 7 \n\t" \
\r
492 " bne RegTest1Fail \n\t" \
\r
493 " cmpwi 8, 8 \n\t" \
\r
494 " bne RegTest1Fail \n\t" \
\r
495 " cmpwi 9, 9 \n\t" \
\r
496 " bne RegTest1Fail \n\t" \
\r
497 " cmpwi 10, 10 \n\t" \
\r
498 " bne RegTest1Fail \n\t" \
\r
499 " cmpwi 11, 11 \n\t" \
\r
500 " bne RegTest1Fail \n\t" \
\r
501 " cmpwi 12, 12 \n\t" \
\r
502 " bne RegTest1Fail \n\t" \
\r
503 " cmpwi 13, 13 \n\t" \
\r
504 " bne RegTest1Fail \n\t" \
\r
505 " cmpwi 14, 14 \n\t" \
\r
506 " bne RegTest1Fail \n\t" \
\r
507 " cmpwi 15, 15 \n\t" \
\r
508 " bne RegTest1Fail \n\t" \
\r
509 " cmpwi 16, 16 \n\t" \
\r
510 " bne RegTest1Fail \n\t" \
\r
511 " cmpwi 17, 17 \n\t" \
\r
512 " bne RegTest1Fail \n\t" \
\r
513 " cmpwi 18, 18 \n\t" \
\r
514 " bne RegTest1Fail \n\t" \
\r
515 " cmpwi 19, 19 \n\t" \
\r
516 " bne RegTest1Fail \n\t" \
\r
517 " cmpwi 20, 20 \n\t" \
\r
518 " bne RegTest1Fail \n\t" \
\r
519 " cmpwi 21, 21 \n\t" \
\r
520 " bne RegTest1Fail \n\t" \
\r
521 " cmpwi 22, 22 \n\t" \
\r
522 " bne RegTest1Fail \n\t" \
\r
523 " cmpwi 23, 23 \n\t" \
\r
524 " bne RegTest1Fail \n\t" \
\r
525 " cmpwi 24, 24 \n\t" \
\r
526 " bne RegTest1Fail \n\t" \
\r
527 " cmpwi 25, 25 \n\t" \
\r
528 " bne RegTest1Fail \n\t" \
\r
529 " cmpwi 26, 26 \n\t" \
\r
530 " bne RegTest1Fail \n\t" \
\r
531 " cmpwi 27, 27 \n\t" \
\r
532 " bne RegTest1Fail \n\t" \
\r
533 " cmpwi 28, 28 \n\t" \
\r
534 " bne RegTest1Fail \n\t" \
\r
535 " cmpwi 29, 29 \n\t" \
\r
536 " bne RegTest1Fail \n\t" \
\r
537 " cmpwi 30, 30 \n\t" \
\r
538 " bne RegTest1Fail \n\t" \
\r
539 " cmpwi 31, 31 \n\t" \
\r
540 " bne RegTest1Fail \n\t" \
\r
542 " mfspr 0, 256 #USPRG0 \n\t" \
\r
543 " cmpwi 0, 301 \n\t" \
\r
544 " bne RegTest1Fail \n\t" \
\r
545 " mfspr 0, 8 #LR \n\t" \
\r
546 " cmpwi 0, 501 \n\t" \
\r
547 " bne RegTest1Fail \n\t" \
\r
548 " mfspr 0, 1 #XER \n\t" \
\r
549 " cmpwi 0, 4 \n\t" \
\r
550 " bne RegTest1Fail \n\t" \
\r
552 " bl prvRegTest1Pass \n\t" \
\r
553 " b RegTest1Start \n\t" \
\r
555 "RegTest1Fail: \n\t" \
\r
558 " bl prvRegTestFail \n\t" \
\r
559 " b RegTest1Start \n\t" \
\r
562 /*-----------------------------------------------------------*/
\r
564 static void prvRegTestTask2( void *pvParameters )
\r
566 /* Just to remove compiler warning. */
\r
567 ( void ) pvParameters;
\r
569 /* The second register test task as described at the top of this file.
\r
570 Note that this task fills the registers with different values to the
\r
571 first register test task. */
\r
574 "RegTest2Start: \n\t" \
\r
576 " li 0, 300 \n\t" \
\r
577 " mtspr 256, 0 #USPRG0 \n\t" \
\r
578 " li 0, 500 \n\t" \
\r
579 " mtspr 8, 0 #LR \n\t" \
\r
581 " mtspr 1, 0 #XER \n\t" \
\r
592 " li 10, 110 \n\t" \
\r
593 " li 11, 111 \n\t" \
\r
594 " li 12, 112 \n\t" \
\r
595 " li 13, 113 \n\t" \
\r
596 " li 14, 114 \n\t" \
\r
597 " li 15, 115 \n\t" \
\r
598 " li 16, 116 \n\t" \
\r
599 " li 17, 117 \n\t" \
\r
600 " li 18, 118 \n\t" \
\r
601 " li 19, 119 \n\t" \
\r
602 " li 20, 120 \n\t" \
\r
603 " li 21, 121 \n\t" \
\r
604 " li 22, 122 \n\t" \
\r
605 " li 23, 123 \n\t" \
\r
606 " li 24, 124 \n\t" \
\r
607 " li 25, 125 \n\t" \
\r
608 " li 26, 126 \n\t" \
\r
609 " li 27, 127 \n\t" \
\r
610 " li 28, 128 \n\t" \
\r
611 " li 29, 129 \n\t" \
\r
612 " li 30, 130 \n\t" \
\r
613 " li 31, 131 \n\t" \
\r
615 " cmpwi 0, 11 \n\t" \
\r
616 " bne RegTest2Fail \n\t" \
\r
617 " cmpwi 2, 12 \n\t" \
\r
618 " bne RegTest2Fail \n\t" \
\r
619 " cmpwi 3, 13 \n\t" \
\r
620 " bne RegTest2Fail \n\t" \
\r
621 " cmpwi 4, 14 \n\t" \
\r
622 " bne RegTest2Fail \n\t" \
\r
623 " cmpwi 5, 15 \n\t" \
\r
624 " bne RegTest2Fail \n\t" \
\r
625 " cmpwi 6, 16 \n\t" \
\r
626 " bne RegTest2Fail \n\t" \
\r
627 " cmpwi 7, 17 \n\t" \
\r
628 " bne RegTest2Fail \n\t" \
\r
629 " cmpwi 8, 18 \n\t" \
\r
630 " bne RegTest2Fail \n\t" \
\r
631 " cmpwi 9, 19 \n\t" \
\r
632 " bne RegTest2Fail \n\t" \
\r
633 " cmpwi 10, 110 \n\t" \
\r
634 " bne RegTest2Fail \n\t" \
\r
635 " cmpwi 11, 111 \n\t" \
\r
636 " bne RegTest2Fail \n\t" \
\r
637 " cmpwi 12, 112 \n\t" \
\r
638 " bne RegTest2Fail \n\t" \
\r
639 " cmpwi 13, 113 \n\t" \
\r
640 " bne RegTest2Fail \n\t" \
\r
641 " cmpwi 14, 114 \n\t" \
\r
642 " bne RegTest2Fail \n\t" \
\r
643 " cmpwi 15, 115 \n\t" \
\r
644 " bne RegTest2Fail \n\t" \
\r
645 " cmpwi 16, 116 \n\t" \
\r
646 " bne RegTest2Fail \n\t" \
\r
647 " cmpwi 17, 117 \n\t" \
\r
648 " bne RegTest2Fail \n\t" \
\r
649 " cmpwi 18, 118 \n\t" \
\r
650 " bne RegTest2Fail \n\t" \
\r
651 " cmpwi 19, 119 \n\t" \
\r
652 " bne RegTest2Fail \n\t" \
\r
653 " cmpwi 20, 120 \n\t" \
\r
654 " bne RegTest2Fail \n\t" \
\r
655 " cmpwi 21, 121 \n\t" \
\r
656 " bne RegTest2Fail \n\t" \
\r
657 " cmpwi 22, 122 \n\t" \
\r
658 " bne RegTest2Fail \n\t" \
\r
659 " cmpwi 23, 123 \n\t" \
\r
660 " bne RegTest2Fail \n\t" \
\r
661 " cmpwi 24, 124 \n\t" \
\r
662 " bne RegTest2Fail \n\t" \
\r
663 " cmpwi 25, 125 \n\t" \
\r
664 " bne RegTest2Fail \n\t" \
\r
665 " cmpwi 26, 126 \n\t" \
\r
666 " bne RegTest2Fail \n\t" \
\r
667 " cmpwi 27, 127 \n\t" \
\r
668 " bne RegTest2Fail \n\t" \
\r
669 " cmpwi 28, 128 \n\t" \
\r
670 " bne RegTest2Fail \n\t" \
\r
671 " cmpwi 29, 129 \n\t" \
\r
672 " bne RegTest2Fail \n\t" \
\r
673 " cmpwi 30, 130 \n\t" \
\r
674 " bne RegTest2Fail \n\t" \
\r
675 " cmpwi 31, 131 \n\t" \
\r
676 " bne RegTest2Fail \n\t" \
\r
678 " mfspr 0, 256 #USPRG0 \n\t" \
\r
679 " cmpwi 0, 300 \n\t" \
\r
680 " bne RegTest2Fail \n\t" \
\r
681 " mfspr 0, 8 #LR \n\t" \
\r
682 " cmpwi 0, 500 \n\t" \
\r
683 " bne RegTest2Fail \n\t" \
\r
684 " mfspr 0, 1 #XER \n\t" \
\r
685 " cmpwi 0, 4 \n\t" \
\r
686 " bne RegTest2Fail \n\t" \
\r
688 " bl prvRegTest2Pass \n\t" \
\r
689 " b RegTest2Start \n\t" \
\r
691 "RegTest2Fail: \n\t" \
\r
694 " bl prvRegTestFail \n\t" \
\r
695 " b RegTest2Start \n\t" \
\r
698 /*-----------------------------------------------------------*/
\r
700 /* This hook function will get called if there is a suspected stack overflow.
\r
701 An overflow can cause the task name to be corrupted, in which case the task
\r
702 handle needs to be used to determine the offending task. */
\r
703 void vApplicationStackOverflowHook( xTaskHandle xTask, signed char *pcTaskName );
\r
704 void vApplicationStackOverflowHook( xTaskHandle xTask, signed char *pcTaskName )
\r
706 /* To prevent the optimiser removing the variables. */
\r
707 volatile xTaskHandle xTaskIn = xTask;
\r
708 volatile signed char *pcTaskNameIn = pcTaskName;
\r
710 /* Remove compiler warnings. */
\r
712 ( void ) pcTaskNameIn;
\r
714 /* The following three calls are simply to stop compiler warnings about the
\r
715 functions not being used - they are called from the inline assembly. */
\r