Subversion Repositories openrisc

#include "FreeRTOS.h"

#include "semphr.h"

#include "task.h"

/* The interrupt entry point. */

void vEMAC_ISR_Wrapper( void ) __attribute__((naked));

/* The function that actually performs the interrupt processing.  This must be

separate to the wrapper to ensure the correct stack frame is set up. */

void vEMAC_ISR_Handler( void ) __attribute__((noinline));

extern xSemaphoreHandle xEMACSemaphore;

void vEMAC_ISR_Handler( void )

{

portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;

    /* Clear the interrupt. */

    IntClear = 0xffff;

    VICVectAddr = 0;

    /* Ensure the uIP task is not blocked as data has arrived. */

    xSemaphoreGiveFromISR( xEMACSemaphore, &xHigherPriorityTaskWoken );

        if( xHigherPriorityTaskWoken )

    {

                /* If the uIP task was unblocked then calling "Yield from ISR" here

                will ensure the interrupt returns directly to the uIP task, if it

                is the highest priority read task. */

        portYIELD_FROM_ISR();

    }

}

/*-----------------------------------------------------------*/

void vEMAC_ISR_Wrapper( void )

{

        /* Save the context of the interrupted task. */

        portSAVE_CONTEXT();

        /* Call the handler function.  This must be separate from the wrapper

        function to ensure the correct stack frame is set up. */

        __asm volatile( "bl vEMAC_ISR_Handler" );

        /* Restore the context of whichever task is going to run next. */

        portRESTORE_CONTEXT();

}