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Added uxTaskGetStackHighWaterMark2(), which is the same as uxTaskGetStackHighWaterMark() other than the return type.

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Allows the task name parameter passed into xTaskCreate() to be NULL.
This commit is contained in:
Richard Barry 2018-09-30 21:50:05 +00:00
parent e3dc5e934b
commit c6de0001fa
14 changed files with 140 additions and 27 deletions
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4
FreeRTOS/Source/include/FreeRTOS.h
View file

@ -156,6 +156,10 @@ extern "C" {
#define INCLUDE_uxTaskGetStackHighWaterMark 0
#endif
#ifndef INCLUDE_uxTaskGetStackHighWaterMark2
#define INCLUDE_uxTaskGetStackHighWaterMark2 0
#endif
#ifndef INCLUDE_eTaskGetState
#define INCLUDE_eTaskGetState 0
#endif

1
FreeRTOS/Source/include/mpu_prototypes.h
View file

@ -61,6 +61,7 @@ UBaseType_t MPU_uxTaskGetNumberOfTasks( void );
char * MPU_pcTaskGetName( TaskHandle_t xTaskToQuery );
TaskHandle_t MPU_xTaskGetHandle( const char *pcNameToQuery );
UBaseType_t MPU_uxTaskGetStackHighWaterMark( TaskHandle_t xTask );
configSTACK_DEPTH_TYPE MPU_uxTaskGetStackHighWaterMark2( TaskHandle_t xTask );
void MPU_vTaskSetApplicationTaskTag( TaskHandle_t xTask, TaskHookFunction_t pxHookFunction );
TaskHookFunction_t MPU_xTaskGetApplicationTaskTag( TaskHandle_t xTask );
void MPU_vTaskSetThreadLocalStoragePointer( TaskHandle_t xTaskToSet, BaseType_t xIndex, void *pvValue );

1
FreeRTOS/Source/include/mpu_wrappers.h
View file

@ -67,6 +67,7 @@ only for ports that are using the MPU. */
#define pcTaskGetName MPU_pcTaskGetName
#define xTaskGetHandle MPU_xTaskGetHandle
#define uxTaskGetStackHighWaterMark MPU_uxTaskGetStackHighWaterMark
#define uxTaskGetStackHighWaterMark2 MPU_uxTaskGetStackHighWaterMark2
#define vTaskSetApplicationTaskTag MPU_vTaskSetApplicationTaskTag
#define xTaskGetApplicationTaskTag MPU_xTaskGetApplicationTaskTag
#define vTaskSetThreadLocalStoragePointer MPU_vTaskSetThreadLocalStoragePointer

33
FreeRTOS/Source/include/task.h
View file

@ -1413,6 +1413,12 @@ TaskHandle_t xTaskGetHandle( const char *pcNameToQuery ) PRIVILEGED_FUNCTION; /*
* a value of 1 means 4 bytes) since the task started. The smaller the returned
* number the closer the task has come to overflowing its stack.
*
* uxTaskGetStackHighWaterMark() and uxTaskGetStackHighWaterMark2() are the
* same except for their return type. Using configSTACK_DEPTH_TYPE allows the
* user to determine the return type. It gets around the problem of the value
* overflowing on 8-bit types without breaking backward compatibility for
* applications that expect an 8-bit return type.
*
* @param xTask Handle of the task associated with the stack to be checked.
* Set xTask to NULL to check the stack of the calling task.
*
@ -1422,6 +1428,33 @@ TaskHandle_t xTaskGetHandle( const char *pcNameToQuery ) PRIVILEGED_FUNCTION; /*
*/
UBaseType_t uxTaskGetStackHighWaterMark( TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
/**
* task.h
* <PRE>configSTACK_DEPTH_TYPE uxTaskGetStackHighWaterMark2( TaskHandle_t xTask );</PRE>
*
* INCLUDE_uxTaskGetStackHighWaterMark2 must be set to 1 in FreeRTOSConfig.h for
* this function to be available.
*
* Returns the high water mark of the stack associated with xTask. That is,
* the minimum free stack space there has been (in words, so on a 32 bit machine
* a value of 1 means 4 bytes) since the task started. The smaller the returned
* number the closer the task has come to overflowing its stack.
*
* uxTaskGetStackHighWaterMark() and uxTaskGetStackHighWaterMark2() are the
* same except for their return type. Using configSTACK_DEPTH_TYPE allows the
* user to determine the return type. It gets around the problem of the value
* overflowing on 8-bit types without breaking backward compatibility for
* applications that expect an 8-bit return type.
*
* @param xTask Handle of the task associated with the stack to be checked.
* Set xTask to NULL to check the stack of the calling task.
*
* @return The smallest amount of free stack space there has been (in words, so
* actual spaces on the stack rather than bytes) since the task referenced by
* xTask was created.
*/
configSTACK_DEPTH_TYPE uxTaskGetStackHighWaterMark2( TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
/* When using trace macros it is sometimes necessary to include task.h before
FreeRTOS.h. When this is done TaskHookFunction_t will not yet have been defined,
so the following two prototypes will cause a compilation error. This can be

13
FreeRTOS/Source/portable/Common/mpu_wrappers.c
View file

@ -420,6 +420,19 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege();
#endif
/*-----------------------------------------------------------*/
#if ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 )
configSTACK_DEPTH_TYPE MPU_uxTaskGetStackHighWaterMark2( TaskHandle_t xTask )
{
configSTACK_DEPTH_TYPE uxReturn;
BaseType_t xRunningPrivileged = xPortRaisePrivilege();
uxReturn = uxTaskGetStackHighWaterMark2( xTask );
vPortResetPrivilege( xRunningPrivileged );
return uxReturn;
}
#endif
/*-----------------------------------------------------------*/
#if ( INCLUDE_xTaskGetCurrentTaskHandle == 1 )
TaskHandle_t MPU_xTaskGetCurrentTaskHandle( void )
{

2
FreeRTOS/Source/portable/ThirdParty/GCC/RISC-V/portasm.S vendored
View file

@ -131,7 +131,7 @@
STORE x29, 28 * REGBYTES(sp)
STORE x30, 29 * REGBYTES(sp)
STORE x31, 30 * REGBYTES(sp)
/* Store current stackpointer in task control block (TCB) */
LOAD t0, pxCurrentTCB //pointer
STORE sp, 0x0(t0)

91
FreeRTOS/Source/tasks.c
View file

@ -100,7 +100,7 @@ changed then the definition of StaticTask_t must also be updated. */
/* If any of the following are set then task stacks are filled with a known
value so the high water mark can be determined. If none of the following are
set then don't fill the stack so there is no unnecessary dependency on memset. */
#if( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) || ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) )
#if( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) || ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 ) )
#define tskSET_NEW_STACKS_TO_KNOWN_VALUE 1
#else
#define tskSET_NEW_STACKS_TO_KNOWN_VALUE 0
@ -521,7 +521,7 @@ static void prvAddCurrentTaskToDelayedList( TickType_t xTicksToWait, const BaseT
* This function determines the 'high water mark' of the task stack by
* determining how much of the stack remains at the original preset value.
*/
#if ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) )
#if ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 ) )
static configSTACK_DEPTH_TYPE prvTaskCheckFreeStackSpace( const uint8_t * pucStackByte ) PRIVILEGED_FUNCTION;
@ -861,8 +861,6 @@ UBaseType_t x;
uxPriority &= ~portPRIVILEGE_BIT;
#endif /* portUSING_MPU_WRAPPERS == 1 */
configASSERT( pcName );
/* Avoid dependency on memset() if it is not required. */
#if( tskSET_NEW_STACKS_TO_KNOWN_VALUE == 1 )
{
@ -905,26 +903,35 @@ UBaseType_t x;
#endif /* portSTACK_GROWTH */
/* Store the task name in the TCB. */
for( x = ( UBaseType_t ) 0; x < ( UBaseType_t ) configMAX_TASK_NAME_LEN; x++ )
if( pcName != NULL )
{
pxNewTCB->pcTaskName[ x ] = pcName[ x ];
for( x = ( UBaseType_t ) 0; x < ( UBaseType_t ) configMAX_TASK_NAME_LEN; x++ )
{
pxNewTCB->pcTaskName[ x ] = pcName[ x ];
/* Don't copy all configMAX_TASK_NAME_LEN if the string is shorter than
configMAX_TASK_NAME_LEN characters just in case the memory after the
string is not accessible (extremely unlikely). */
if( pcName[ x ] == ( char ) 0x00 )
{
break;
}
else
{
mtCOVERAGE_TEST_MARKER();
/* Don't copy all configMAX_TASK_NAME_LEN if the string is shorter than
configMAX_TASK_NAME_LEN characters just in case the memory after the
string is not accessible (extremely unlikely). */
if( pcName[ x ] == ( char ) 0x00 )
{
break;
}
else
{
mtCOVERAGE_TEST_MARKER();
}
}
/* Ensure the name string is terminated in the case that the string length
was greater or equal to configMAX_TASK_NAME_LEN. */
pxNewTCB->pcTaskName[ configMAX_TASK_NAME_LEN - 1 ] = '\0';
}
else
{
/* The task has not been given a name, so just ensure there is a NULL
terminator when it is read out. */
pxNewTCB->pcTaskName[ 0 ] = 0x00;
}
/* Ensure the name string is terminated in the case that the string length
was greater or equal to configMAX_TASK_NAME_LEN. */
pxNewTCB->pcTaskName[ configMAX_TASK_NAME_LEN - 1 ] = '\0';
/* This is used as an array index so must ensure it's not too large. First
remove the privilege bit if one is present. */
@ -3686,7 +3693,7 @@ static void prvCheckTasksWaitingTermination( void )
#endif /* configUSE_TRACE_FACILITY */
/*-----------------------------------------------------------*/
#if ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) )
#if ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 ) )
static configSTACK_DEPTH_TYPE prvTaskCheckFreeStackSpace( const uint8_t * pucStackByte )
{
@ -3703,7 +3710,47 @@ static void prvCheckTasksWaitingTermination( void )
return ( configSTACK_DEPTH_TYPE ) ulCount;
}
#endif /* ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) ) */
#endif /* ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 ) ) */
/*-----------------------------------------------------------*/
#if ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 )
/* uxTaskGetStackHighWaterMark() and uxTaskGetStackHighWaterMark2() are the
same except for their return type. Using configSTACK_DEPTH_TYPE allows the
user to determine the return type. It gets around the problem of the value
overflowing on 8-bit types without breaking backward compatibility for
applications that expect an 8-bit return type. */
configSTACK_DEPTH_TYPE uxTaskGetStackHighWaterMark2( TaskHandle_t xTask )
{
TCB_t *pxTCB;
uint8_t *pucEndOfStack;
configSTACK_DEPTH_TYPE uxReturn;
/* uxTaskGetStackHighWaterMark() and uxTaskGetStackHighWaterMark2() are
the same except for their return type. Using configSTACK_DEPTH_TYPE
allows the user to determine the return type. It gets around the
problem of the value overflowing on 8-bit types without breaking
backward compatibility for applications that expect an 8-bit return
type. */
pxTCB = prvGetTCBFromHandle( xTask );
#if portSTACK_GROWTH < 0
{
pucEndOfStack = ( uint8_t * ) pxTCB->pxStack;
}
#else
{
pucEndOfStack = ( uint8_t * ) pxTCB->pxEndOfStack;
}
#endif
uxReturn = prvTaskCheckFreeStackSpace( pucEndOfStack );
return uxReturn;
}
#endif /* INCLUDE_uxTaskGetStackHighWaterMark2 */
/*-----------------------------------------------------------*/
#if ( INCLUDE_uxTaskGetStackHighWaterMark == 1 )