len0rd/FreeRTOS-Kernel
1
0
Fork 0
mirror of https://github.com/FreeRTOS/FreeRTOS-Kernel.git synced 2025-08-01 08:54:14 -04:00
Code Issues Projects Releases Packages Wiki Activity

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

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

27
FreeRTOS/Source/portable/GCC/MicroBlazeV8/portmacro.h
View file

@ -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. */

8
FreeRTOS/Source/portable/MSVC-MingW/port.c
View file

@ -365,6 +365,7 @@ static void prvProcessSimulatedInterrupts( void )
uint32_t ulSwitchRequired, i;
xThreadState *pxThreadState;
void *pvObjectList[ 2 ];
CONTEXT xContext;
/* Going to block on the mutex that ensured exclusive access to the simulated
interrupt objects, and the event that signals that a simulated interrupt
@ -426,6 +427,13 @@ void *pvObjectList[ 2 ];
pxThreadState = ( xThreadState *) *( ( size_t * ) pvOldCurrentTCB );
SuspendThread( pxThreadState->pvThread );
/* Ensure the thread is actually suspended by performing a
synchronous operation that can only complete when the thread is
actually suspended. The below code asks for dummy register
data. */
xContext.ContextFlags = CONTEXT_INTEGER;
( void ) GetThreadContext( pxThreadState->pvThread, &xContext );
/* Obtain the state of the task now selected to enter the
Running state. */
pxThreadState = ( xThreadState * ) ( *( size_t *) pxCurrentTCB );