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freertos/Kconfig: make optimized task selection dependent on FREERTOS_UNICORE option

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freertos: fix decrement loop of high priority task selection
This commit is contained in:
Felipe Neves
2019-11-11 09:54:15 +08:00
parent 2c612ec1dc
commit 5d7564a039
3 changed files with 4 additions and 3 deletions
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1
components/freertos/Kconfig
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@@ -41,6 +41,7 @@ menu "FreeRTOS"
config FREERTOS_OPTIMIZED_SCHEDULER
bool "Enable FreeRTOS pĺatform optimized scheduler"
depends on FREERTOS_UNICORE
default y
help
On most platforms there are instructions can speedup the ready task

2
components/freertos/include/freertos/portmacro.h
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@@ -476,7 +476,7 @@ void vApplicationSleep( TickType_t xExpectedIdleTime );
/* Check the configuration. */
#if( configMAX_PRIORITIES > 32 )
#error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice.
#error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 different priorities as tasks that share a priority will time slice.
#endif
/* Store/clear the ready priorities in a bit map. */

4
components/freertos/tasks.c
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@@ -2782,7 +2782,7 @@ void vTaskSwitchContext( void )
vPortCPUAcquireMutex( &xTaskQueueMutex );
#endif
#if !CONFIG_FREERTOS_UNICORE
#if !configUSE_PORT_OPTIMISED_TASK_SELECTION
unsigned portBASE_TYPE foundNonExecutingWaiter = pdFALSE, ableToSchedule = pdFALSE, resetListHead;
unsigned portBASE_TYPE holdTop=pdFALSE;
tskTCB * pxTCB;
@@ -2863,7 +2863,7 @@ void vTaskSwitchContext( void )
}
} while ((ableToSchedule == pdFALSE) && (pxTCB != pxRefTCB));
} else {
if (!holdTop) uxTopReadyPriority--;
if (!holdTop) --uxTopReadyPriority;
}
--uxDynamicTopReady;
}