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Microblaze: Add a port optimised task selection implementation to the Microblaze port.

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Windows port:  Add code to ensure Windows threads are truely suspended before resuming another thread.
Typo correction to the task notification standard demo task.
Correct case of some include file names to fix build issues on Linux.
This commit is contained in:
Richard Barry 2015-06-24 15:10:03 +00:00
parent cfb8223232
commit 8a1450effc
32 changed files with 156 additions and 4410 deletions
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27
FreeRTOS/Source/portable/GCC/MicroBlazeV8/portmacro.h
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@ -157,6 +157,33 @@ vTaskSwitchContext() being made from a single interrupt, as a single interrupt
can result in multiple peripherals being serviced. */
extern volatile uint32_t ulTaskSwitchRequested;
#define portYIELD_FROM_ISR( x ) if( x != pdFALSE ) ulTaskSwitchRequested = 1
#if( configUSE_PORT_OPTIMISED_TASK_SELECTION == 1 )
/* Generic helper function. */
__attribute__( ( always_inline ) ) static inline uint8_t ucPortCountLeadingZeros( uint32_t ulBitmap )
{
uint8_t ucReturn;
__asm volatile ( "clz %0, %1" : "=r" ( ucReturn ) : "r" ( ulBitmap ) );
return ucReturn;
}
/* 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.
#endif
/* Store/clear the ready priorities in a bit map. */
#define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
#define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
/*-----------------------------------------------------------*/
#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - ucPortCountLeadingZeros( ( uxReadyPriorities ) ) )
#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */
/*-----------------------------------------------------------*/
/* Hardware specifics. */