len0rd/FreeRTOS-Kernel
1
0
Fork 0
mirror of https://github.com/FreeRTOS/FreeRTOS-Kernel.git synced 2025-08-20 10:08:33 -04:00
Code Issues Projects Releases Packages Wiki Activity

Support reset kernel state for restarting scheduler (#944)

Browse source 
* Adding the following functions to reset kernel state. These functions are only required for application which 
needs to restart the scheduler.
 - void vTaskResetState( void )
 - void vTimerResetState( void )
 - void vPortHeapResetState( void )
 - void vCoRoutineResetState( void )

---------

Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>
Co-authored-by: Chris Morgan <cmorgan@boston-engineering.com>
Co-authored-by: Soren Ptak <ptaksoren@gmail.com>
Co-authored-by: Rahul Kar <118818625+kar-rahul-aws@users.noreply.github.com>
Co-authored-by: Gaurav Aggarwal <aggarg@amazon.com>
Co-authored-by: Gaurav-Aggarwal-AWS <33462878+aggarg@users.noreply.github.com>
This commit is contained in:
chinglee-iot 2024-02-19 14:39:31 +08:00 • committed by GitHub
parent e68975fcf7
commit 1a500f1a74
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
12 changed files with 215 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

15
portable/MemMang/heap_1.c
View file

@ -64,7 +64,7 @@
#endif /* configAPPLICATION_ALLOCATED_HEAP */
/* Index into the ucHeap array. */
static size_t xNextFreeByte = ( size_t ) 0;
static size_t xNextFreeByte = ( size_t ) 0U;
/*-----------------------------------------------------------*/
@ -150,3 +150,16 @@ size_t xPortGetFreeHeapSize( void )
{
return( configADJUSTED_HEAP_SIZE - xNextFreeByte );
}
/*-----------------------------------------------------------*/
/*
* Reset the state in this file. This state is normally initialized at start up.
* This function must be called by the application before restarting the
* scheduler.
*/
void vPortHeapResetState( void )
{
xNextFreeByte = ( size_t ) 0U;
}
/*-----------------------------------------------------------*/

17
portable/MemMang/heap_2.c
View file

@ -113,6 +113,9 @@ PRIVILEGED_DATA static BlockLink_t xStart, xEnd;
* fragmentation. */
PRIVILEGED_DATA static size_t xFreeBytesRemaining = configADJUSTED_HEAP_SIZE;
/* Indicates whether the heap has been initialised or not. */
PRIVILEGED_DATA static BaseType_t xHeapHasBeenInitialised = pdFALSE;
/*-----------------------------------------------------------*/
/*
@ -155,7 +158,6 @@ void * pvPortMalloc( size_t xWantedSize )
BlockLink_t * pxBlock;
BlockLink_t * pxPreviousBlock;
BlockLink_t * pxNewBlockLink;
PRIVILEGED_DATA static BaseType_t xHeapHasBeenInitialised = pdFALSE;
void * pvReturn = NULL;
size_t xAdditionalRequiredSize;
@ -384,3 +386,16 @@ static void prvHeapInit( void ) /* PRIVILEGED_FUNCTION */
pxFirstFreeBlock->pxNextFreeBlock = &xEnd;
}
/*-----------------------------------------------------------*/
/*
* Reset the state in this file. This state is normally initialized at start up.
* This function must be called by the application before restarting the
* scheduler.
*/
void vPortHeapResetState( void )
{
xFreeBytesRemaining = configADJUSTED_HEAP_SIZE;
xHeapHasBeenInitialised = pdFALSE;
}
/*-----------------------------------------------------------*/

12
portable/MemMang/heap_3.c
View file

@ -92,3 +92,15 @@ void vPortFree( void * pv )
( void ) xTaskResumeAll();
}
}
/*-----------------------------------------------------------*/
/*
* Reset the state in this file. This state is normally initialized at start up.
* This function must be called by the application before restarting the
* scheduler.
*/
void vPortHeapResetState( void )
{
/* No state needs to be re-initialised in heap_3. */
}
/*-----------------------------------------------------------*/

24
portable/MemMang/heap_4.c
View file

@ -163,10 +163,10 @@ PRIVILEGED_DATA static BlockLink_t * pxEnd = NULL;
/* Keeps track of the number of calls to allocate and free memory as well as the
* number of free bytes remaining, but says nothing about fragmentation. */
PRIVILEGED_DATA static size_t xFreeBytesRemaining = 0U;
PRIVILEGED_DATA static size_t xMinimumEverFreeBytesRemaining = 0U;
PRIVILEGED_DATA static size_t xNumberOfSuccessfulAllocations = 0;
PRIVILEGED_DATA static size_t xNumberOfSuccessfulFrees = 0;
PRIVILEGED_DATA static size_t xFreeBytesRemaining = ( size_t ) 0U;
PRIVILEGED_DATA static size_t xMinimumEverFreeBytesRemaining = ( size_t ) 0U;
PRIVILEGED_DATA static size_t xNumberOfSuccessfulAllocations = ( size_t ) 0U;
PRIVILEGED_DATA static size_t xNumberOfSuccessfulFrees = ( size_t ) 0U;
/*-----------------------------------------------------------*/
@ -608,3 +608,19 @@ void vPortGetHeapStats( HeapStats_t * pxHeapStats )
taskEXIT_CRITICAL();
}
/*-----------------------------------------------------------*/
/*
* Reset the state in this file. This state is normally initialized at start up.
* This function must be called by the application before restarting the
* scheduler.
*/
void vPortHeapResetState( void )
{
pxEnd = NULL;
xFreeBytesRemaining = ( size_t ) 0U;
xMinimumEverFreeBytesRemaining = ( size_t ) 0U;
xNumberOfSuccessfulAllocations = ( size_t ) 0U;
xNumberOfSuccessfulFrees = ( size_t ) 0U;
}
/*-----------------------------------------------------------*/

29
portable/MemMang/heap_5.c
View file

@ -187,10 +187,10 @@ PRIVILEGED_DATA static BlockLink_t * pxEnd = NULL;
/* Keeps track of the number of calls to allocate and free memory as well as the
* number of free bytes remaining, but says nothing about fragmentation. */
PRIVILEGED_DATA static size_t xFreeBytesRemaining = 0U;
PRIVILEGED_DATA static size_t xMinimumEverFreeBytesRemaining = 0U;
PRIVILEGED_DATA static size_t xNumberOfSuccessfulAllocations = 0;
PRIVILEGED_DATA static size_t xNumberOfSuccessfulFrees = 0;
PRIVILEGED_DATA static size_t xFreeBytesRemaining = ( size_t ) 0U;
PRIVILEGED_DATA static size_t xMinimumEverFreeBytesRemaining = ( size_t ) 0U;
PRIVILEGED_DATA static size_t xNumberOfSuccessfulAllocations = ( size_t ) 0U;
PRIVILEGED_DATA static size_t xNumberOfSuccessfulFrees = ( size_t ) 0U;
#if ( configENABLE_HEAP_PROTECTOR == 1 )
@ -707,3 +707,24 @@ void vPortGetHeapStats( HeapStats_t * pxHeapStats )
taskEXIT_CRITICAL();
}
/*-----------------------------------------------------------*/
/*
* Reset the state in this file. This state is normally initialized at start up.
* This function must be called by the application before restarting the
* scheduler.
*/
void vPortHeapResetState( void )
{
pxEnd = NULL;
xFreeBytesRemaining = ( size_t ) 0U;
xMinimumEverFreeBytesRemaining = ( size_t ) 0U;
xNumberOfSuccessfulAllocations = ( size_t ) 0U;
xNumberOfSuccessfulFrees = ( size_t ) 0U;
#if ( configENABLE_HEAP_PROTECTOR == 1 )
pucHeapHighAddress = NULL;
pucHeapLowAddress = NULL;
#endif /* #if ( configENABLE_HEAP_PROTECTOR == 1 ) */
}
/*-----------------------------------------------------------*/