181 lines
8.8 KiB
C
181 lines
8.8 KiB
C
/*
|
|
FreeRTOS V8.1.2 - Copyright (C) 2014 Real Time Engineers Ltd.
|
|
All rights reserved
|
|
|
|
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
|
|
|
***************************************************************************
|
|
* *
|
|
* FreeRTOS provides completely free yet professionally developed, *
|
|
* robust, strictly quality controlled, supported, and cross *
|
|
* platform software that has become a de facto standard. *
|
|
* *
|
|
* Help yourself get started quickly and support the FreeRTOS *
|
|
* project by purchasing a FreeRTOS tutorial book, reference *
|
|
* manual, or both from: http://www.FreeRTOS.org/Documentation *
|
|
* *
|
|
* Thank you! *
|
|
* *
|
|
***************************************************************************
|
|
|
|
This file is part of the FreeRTOS distribution.
|
|
|
|
FreeRTOS is free software; you can redistribute it and/or modify it under
|
|
the terms of the GNU General Public License (version 2) as published by the
|
|
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
|
|
|
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
|
>>! distribute a combined work that includes FreeRTOS without being !<<
|
|
>>! obliged to provide the source code for proprietary components !<<
|
|
>>! outside of the FreeRTOS kernel. !<<
|
|
|
|
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
FOR A PARTICULAR PURPOSE. Full license text is available from the following
|
|
link: http://www.freertos.org/a00114.html
|
|
|
|
1 tab == 4 spaces!
|
|
|
|
***************************************************************************
|
|
* *
|
|
* Having a problem? Start by reading the FAQ "My application does *
|
|
* not run, what could be wrong?" *
|
|
* *
|
|
* http://www.FreeRTOS.org/FAQHelp.html *
|
|
* *
|
|
***************************************************************************
|
|
|
|
http://www.FreeRTOS.org - Documentation, books, training, latest versions,
|
|
license and Real Time Engineers Ltd. contact details.
|
|
|
|
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
|
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
|
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
|
|
|
http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
|
|
Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
|
|
licenses offer ticketed support, indemnification and middleware.
|
|
|
|
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
|
engineered and independently SIL3 certified version for use in safety and
|
|
mission critical applications that require provable dependability.
|
|
|
|
1 tab == 4 spaces!
|
|
*/
|
|
|
|
#ifndef STACK_MACROS_H
|
|
#define STACK_MACROS_H
|
|
|
|
/*
|
|
* Call the stack overflow hook function if the stack of the task being swapped
|
|
* out is currently overflowed, or looks like it might have overflowed in the
|
|
* past.
|
|
*
|
|
* Setting configCHECK_FOR_STACK_OVERFLOW to 1 will cause the macro to check
|
|
* the current stack state only - comparing the current top of stack value to
|
|
* the stack limit. Setting configCHECK_FOR_STACK_OVERFLOW to greater than 1
|
|
* will also cause the last few stack bytes to be checked to ensure the value
|
|
* to which the bytes were set when the task was created have not been
|
|
* overwritten. Note this second test does not guarantee that an overflowed
|
|
* stack will always be recognised.
|
|
*/
|
|
|
|
/*-----------------------------------------------------------*/
|
|
|
|
#if( configCHECK_FOR_STACK_OVERFLOW == 0 )
|
|
|
|
/* FreeRTOSConfig.h is not set to check for stack overflows. */
|
|
#define taskFIRST_CHECK_FOR_STACK_OVERFLOW()
|
|
#define taskSECOND_CHECK_FOR_STACK_OVERFLOW()
|
|
|
|
#endif /* configCHECK_FOR_STACK_OVERFLOW == 0 */
|
|
/*-----------------------------------------------------------*/
|
|
|
|
#if( configCHECK_FOR_STACK_OVERFLOW == 1 )
|
|
|
|
/* FreeRTOSConfig.h is only set to use the first method of
|
|
overflow checking. */
|
|
#define taskSECOND_CHECK_FOR_STACK_OVERFLOW()
|
|
|
|
#endif
|
|
/*-----------------------------------------------------------*/
|
|
|
|
#if( ( configCHECK_FOR_STACK_OVERFLOW > 0 ) && ( portSTACK_GROWTH < 0 ) )
|
|
|
|
/* Only the current stack state is to be checked. */
|
|
#define taskFIRST_CHECK_FOR_STACK_OVERFLOW() \
|
|
{ \
|
|
/* Is the currently saved stack pointer within the stack limit? */ \
|
|
if( pxCurrentTCB->pxTopOfStack <= pxCurrentTCB->pxStack ) \
|
|
{ \
|
|
vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pxCurrentTCB->pcTaskName ); \
|
|
} \
|
|
}
|
|
|
|
#endif /* configCHECK_FOR_STACK_OVERFLOW > 0 */
|
|
/*-----------------------------------------------------------*/
|
|
|
|
#if( ( configCHECK_FOR_STACK_OVERFLOW > 0 ) && ( portSTACK_GROWTH > 0 ) )
|
|
|
|
/* Only the current stack state is to be checked. */
|
|
#define taskFIRST_CHECK_FOR_STACK_OVERFLOW() \
|
|
{ \
|
|
\
|
|
/* Is the currently saved stack pointer within the stack limit? */ \
|
|
if( pxCurrentTCB->pxTopOfStack >= pxCurrentTCB->pxEndOfStack ) \
|
|
{ \
|
|
vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pxCurrentTCB->pcTaskName ); \
|
|
} \
|
|
}
|
|
|
|
#endif /* configCHECK_FOR_STACK_OVERFLOW == 1 */
|
|
/*-----------------------------------------------------------*/
|
|
|
|
#if( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) && ( portSTACK_GROWTH < 0 ) )
|
|
|
|
#define taskSECOND_CHECK_FOR_STACK_OVERFLOW() \
|
|
{ \
|
|
static const uint8_t ucExpectedStackBytes[] = { tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
|
|
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
|
|
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
|
|
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
|
|
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE }; \
|
|
\
|
|
\
|
|
/* Has the extremity of the task stack ever been written over? */ \
|
|
if( memcmp( ( void * ) pxCurrentTCB->pxStack, ( void * ) ucExpectedStackBytes, sizeof( ucExpectedStackBytes ) ) != 0 ) \
|
|
{ \
|
|
vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pxCurrentTCB->pcTaskName ); \
|
|
} \
|
|
}
|
|
|
|
#endif /* #if( configCHECK_FOR_STACK_OVERFLOW > 1 ) */
|
|
/*-----------------------------------------------------------*/
|
|
|
|
#if( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) && ( portSTACK_GROWTH > 0 ) )
|
|
|
|
#define taskSECOND_CHECK_FOR_STACK_OVERFLOW() \
|
|
{ \
|
|
int8_t *pcEndOfStack = ( int8_t * ) pxCurrentTCB->pxEndOfStack; \
|
|
static const uint8_t ucExpectedStackBytes[] = { tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
|
|
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
|
|
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
|
|
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
|
|
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE }; \
|
|
\
|
|
\
|
|
pcEndOfStack -= sizeof( ucExpectedStackBytes ); \
|
|
\
|
|
/* Has the extremity of the task stack ever been written over? */ \
|
|
if( memcmp( ( void * ) pcEndOfStack, ( void * ) ucExpectedStackBytes, sizeof( ucExpectedStackBytes ) ) != 0 ) \
|
|
{ \
|
|
vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pxCurrentTCB->pcTaskName ); \
|
|
} \
|
|
}
|
|
|
|
#endif /* #if( configCHECK_FOR_STACK_OVERFLOW > 1 ) */
|
|
/*-----------------------------------------------------------*/
|
|
|
|
#endif /* STACK_MACROS_H */
|
|
|