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/*
* FreeRTOS V202112.00
* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
/* Scheduler include files. */
#include "FreeRTOS.h"
#include "task.h"
/* Interface include files. */
#include "RegTests.h"
/* Tasks that implement register tests. */
static void prvRegisterTest1Task( void *pvParameters );
static void prvRegisterTest2Task( void *pvParameters );
static void prvRegisterTest3Task( void *pvParameters );
static void prvRegisterTest4Task( void *pvParameters );
/* Flag that will be latched to pdTRUE should any unexpected behaviour be
detected in any of the tasks. */
static volatile BaseType_t xErrorDetected = pdFALSE;
/* Counters that are incremented on each cycle of a test. This is used to
detect a stalled task - a test that is no longer running. */
static volatile uint32_t ulRegisterTest1Counter = 0;
static volatile uint32_t ulRegisterTest2Counter = 0;
static volatile uint32_t ulRegisterTest3Counter = 0;
static volatile uint32_t ulRegisterTest4Counter = 0;
/*-----------------------------------------------------------*/
static void prvRegisterTest1Task( void *pvParameters )
{
( void ) pvParameters;
for( ; ; )
{
/* 1. Fill the registers stored as part of task context with known values.
* 2. Force a context switch.
* 3. Verify that all the registers contain expected values.
* 4. If all the register contain expected values, increment ulRegisterTest1Counter.
*/
}
}
/*-----------------------------------------------------------*/
static void prvRegisterTest2Task( void *pvParameters )
{
( void ) pvParameters;
for( ; ; )
{
/* 1. Fill the registers stored as part of task context with known values.
* 2. Force a context switch.
* 3. Verify that all the registers contain expected values.
* 4. If all the register contain expected values, increment ulRegisterTest2Counter.
*/
}
}
/*-----------------------------------------------------------*/
static void prvRegisterTest3Task( void *pvParameters )
{
( void ) pvParameters;
for( ; ; )
{
/* 1. Fill the registers stored as part of task context with known values.
* 2. Force a context switch.
* 3. Verify that all the registers contain expected values.
* 4. If all the register contain expected values, increment ulRegisterTest3Counter.
*/
}
}
/*-----------------------------------------------------------*/
static void prvRegisterTest4Task( void *pvParameters )
{
( void ) pvParameters;
for( ; ; )
{
/* 1. Fill the registers stored as part of task context with known values.
* 2. Force a context switch.
* 3. Verify that all the registers contain expected values.
* 4. If all the register contain expected values, increment ulRegisterTest4Counter.
*/
}
}
/*-----------------------------------------------------------*/
void vStartRegisterTasks( UBaseType_t uxPriority )
{
BaseType_t ret;
ret = xTaskCreate( prvRegisterTest1Task, "RegTest1", configMINIMAL_STACK_SIZE, NULL, uxPriority, NULL );
configASSERT( ret == pdPASS );
ret = xTaskCreate( prvRegisterTest2Task, "RegTest2", configMINIMAL_STACK_SIZE, NULL, uxPriority, NULL );
configASSERT( ret == pdPASS );
ret = xTaskCreate( prvRegisterTest3Task, "RegTest3", configMINIMAL_STACK_SIZE, NULL, uxPriority, NULL );
configASSERT( ret == pdPASS );
ret = xTaskCreate( prvRegisterTest4Task, "RegTest4", configMINIMAL_STACK_SIZE, NULL, uxPriority, NULL );
configASSERT( ret == pdPASS );
}
/*-----------------------------------------------------------*/
BaseType_t xAreRegisterTasksStillRunning( void )
{
static uint32_t ulLastRegisterTest1Counter = 0, ulLastRegisterTest2Counter = 0;
static uint32_t ulLastRegisterTest3Counter = 0, ulLastRegisterTest4Counter = 0;
/* If the register test task is still running then we expect the loop
* counters to have incremented since this function was last called. */
if( ulLastRegisterTest1Counter == ulRegisterTest1Counter )
{
xErrorDetected = pdTRUE;
}
if( ulLastRegisterTest2Counter == ulRegisterTest2Counter )
{
xErrorDetected = pdTRUE;
}
if( ulLastRegisterTest3Counter == ulRegisterTest3Counter )
{
xErrorDetected = pdTRUE;
}
if( ulLastRegisterTest4Counter == ulRegisterTest4Counter )
{
xErrorDetected = pdTRUE;
}
ulLastRegisterTest1Counter = ulRegisterTest1Counter;
ulLastRegisterTest2Counter = ulRegisterTest2Counter;
ulLastRegisterTest3Counter = ulRegisterTest3Counter;
ulLastRegisterTest4Counter = ulRegisterTest4Counter;
/* Errors detected in the task itself will have latched xErrorDetected
* to true. */
return ( BaseType_t ) !xErrorDetected;
}
/*-----------------------------------------------------------*/
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