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re-introduce uxTopUsedPriority. Prevent removal by optimization

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David Chalco 2020-09-29 17:24:54 -07:00
parent baeb5af9a4
commit 42c946a53a
1 changed files with 5 additions and 0 deletions
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5
tasks.c
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@ -378,6 +378,7 @@ PRIVILEGED_DATA static volatile BaseType_t xNumOfOverflows = ( BaseType_t ) 0;
PRIVILEGED_DATA static UBaseType_t uxTaskNumber = ( UBaseType_t ) 0U;
PRIVILEGED_DATA static volatile TickType_t xNextTaskUnblockTime = ( TickType_t ) 0U; /* Initialised to portMAX_DELAY before the scheduler starts. */
PRIVILEGED_DATA static TaskHandle_t xIdleTaskHandle = NULL; /*< Holds the handle of the idle task. The idle task is created automatically when the scheduler is started. */
const UBaseType_t uxTopUsedPriority = configMAX_PRIORITIES - 1U;
/* Context switches are held pending while the scheduler is suspended. Also,
* interrupts must not manipulate the xStateListItem of a TCB, or any of the
@ -2093,6 +2094,10 @@ void vTaskStartScheduler( void )
/* Prevent compiler warnings if INCLUDE_xTaskGetIdleTaskHandle is set to 0,
* meaning xIdleTaskHandle is not used anywhere else. */
( void ) xIdleTaskHandle;
/* OpenOCD makes use of uxTopUsedPriority for thread debugging. Prevent uxTopUsedPriority
* from getting optimized out as it is no longer used by the kernel. */
( void ) uxTopUsedPriority;
}
/*-----------------------------------------------------------*/