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Add SMP template port and example (#900)

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* Add SMP template port and example
* Add readme file for smp configuration
* Update SMP build flow and add CI build

---------

Co-authored-by: Soren Ptak <ptaksoren@gmail.com>
Co-authored-by: Rahul Kar <118818625+kar-rahul-aws@users.noreply.github.com>
This commit is contained in:
chinglee-iot 2023-12-04 10:49:41 +08:00 • committed by GitHub
parent f8ef5f605b
commit c0ce725293
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6 changed files with 194 additions and 24 deletions
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42
portable/template/port.c
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@ -25,8 +25,18 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
void vPortYield( void )
{
/* Save the current Context */
/* Switch to the highest priority task that is ready to run. */
vTaskSwitchContext();
#if ( configNUMBER_OF_CORES == 1 )
{
vTaskSwitchContext();
}
#else
{
vTaskSwitchContext( portGET_CORE_ID() );
}
#endif
/* Start executing the task we have just switched to. */
}
@ -35,12 +45,34 @@ static void prvTickISR( void )
/* Interrupts must have been enabled for the ISR to fire, so we have to
* save the context with interrupts enabled. */
/* Maintain the tick count. */
if( xTaskIncrementTick() != pdFALSE )
#if ( configNUMBER_OF_CORES == 1 )
{
/* Switch to the highest priority task that is ready to run. */
vTaskSwitchContext();
/* Maintain the tick count. */
if( xTaskIncrementTick() != pdFALSE )
{
/* Switch to the highest priority task that is ready to run. */
vTaskSwitchContext();
}
}
#else
{
UBaseType_t ulPreviousMask;
/* Tasks or ISRs running on other cores may still in critical section in
* multiple cores environment. Incrementing tick needs to performed in
* critical section. */
ulPreviousMask = taskENTER_CRITICAL_FROM_ISR();
/* Maintain the tick count. */
if( xTaskIncrementTick() != pdFALSE )
{
/* Switch to the highest priority task that is ready to run. */
vTaskSwitchContext( portGET_CORE_ID() );
}
taskEXIT_CRITICAL_FROM_ISR( ulPreviousMask );
}
#endif /* if ( configNUMBER_OF_CORES == 1 ) */
/* start executing the new task */
}