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Update taskSELECT_HIGHEST_PRIORITY_TASK macro for SMP (#777)
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* Move the configUSE_PORT_OPTIMISED_TASK_SELECTION check to FreeRTOS.h
* SMP also use taskSELECT_HIGHEST_PRIORITY_TASK macro
---------

Co-authored-by: Soren Ptak <[email protected]>
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chinglee-iot and Skptak authored Sep 6, 2023
1 parent 5fb9b50 commit 288d143
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Showing 2 changed files with 9 additions and 5 deletions.
4 changes: 4 additions & 0 deletions include/FreeRTOS.h
Original file line number Diff line number Diff line change
Expand Up @@ -1165,6 +1165,10 @@
#error configUSE_TASK_PREEMPTION_DISABLE is not supported in single core FreeRTOS
#endif

#if ( ( configNUMBER_OF_CORES > 1 ) && ( configUSE_PORT_OPTIMISED_TASK_SELECTION != 0 ) )
#error configUSE_PORT_OPTIMISED_TASK_SELECTION is not supported in SMP FreeRTOS
#endif

#ifndef configINITIAL_TICK_COUNT
#define configINITIAL_TICK_COUNT 0
#endif
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10 changes: 5 additions & 5 deletions tasks.c
Original file line number Diff line number Diff line change
Expand Up @@ -152,6 +152,10 @@
listGET_OWNER_OF_NEXT_ENTRY( pxCurrentTCB, &( pxReadyTasksLists[ uxTopPriority ] ) ); \
uxTopReadyPriority = uxTopPriority; \
} while( 0 ) /* taskSELECT_HIGHEST_PRIORITY_TASK */
#else /* if ( configNUMBER_OF_CORES == 1 ) */

#define taskSELECT_HIGHEST_PRIORITY_TASK( xCoreID ) prvSelectHighestPriorityTask( xCoreID )

#endif /* if ( configNUMBER_OF_CORES == 1 ) */

/*-----------------------------------------------------------*/
Expand All @@ -164,10 +168,6 @@

#else /* configUSE_PORT_OPTIMISED_TASK_SELECTION */

#if ( configNUMBER_OF_CORES > 1 )
#error configUSE_PORT_OPTIMISED_TASK_SELECTION not supported in FreeRTOS SMP.
#endif

/* If configUSE_PORT_OPTIMISED_TASK_SELECTION is 1 then task selection is
* performed in a way that is tailored to the particular microcontroller
* architecture being used. */
Expand Down Expand Up @@ -4701,7 +4701,7 @@ BaseType_t xTaskIncrementTick( void )
#endif

/* Select a new task to run. */
prvSelectHighestPriorityTask( xCoreID );
taskSELECT_HIGHEST_PRIORITY_TASK( xCoreID );
traceTASK_SWITCHED_IN();

/* After the new task is switched in, update the global errno. */
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