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This commit is contained in:
Richard Barry 2011-07-27 16:52:32 +00:00
parent eb69ddce43
commit 2981d9f5c1
2 changed files with 255 additions and 36 deletions
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53
Demo/Common/ethernet/lwip-1.4.0/ports/MicroBlaze-Ethernet-Lite/sys_arch.c
View file

@ -48,6 +48,11 @@
#include "lwip/mem.h"
#include "lwip/stats.h"
/* Very crude mechanism used to determine if the critical section handling
functions are being called from an interrupt context or not. This relies on
the interrupt handler setting this variable manually. */
portBASE_TYPE xInsideISR = pdFALSE;
/*---------------------------------------------------------------------------*
* Routine: sys_mbox_new
*---------------------------------------------------------------------------*
@ -141,8 +146,18 @@ void sys_mbox_post( sys_mbox_t *pxMailBox, void *pxMessageToPost )
err_t sys_mbox_trypost( sys_mbox_t *pxMailBox, void *pxMessageToPost )
{
err_t xReturn;
portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
if( xQueueSend( *pxMailBox, &pxMessageToPost, 0UL ) == pdPASS )
if( xInsideISR != pdFALSE )
{
xReturn = xQueueSendFromISR( *pxMailBox, &pxMessageToPost, &xHigherPriorityTaskWoken );
}
else
{
xReturn = xQueueSend( *pxMailBox, &pxMessageToPost, ( portTickType ) 0 );
}
if( xReturn == pdPASS )
{
xReturn = ERR_OK;
}
@ -200,6 +215,8 @@ unsigned long ulReturn;
if( ulTimeOut != 0UL )
{
configASSERT( xInsideISR == ( portBASE_TYPE ) 0 );
if( pdTRUE == xQueueReceive( *pxMailBox, &( *ppvBuffer ), ulTimeOut/ portTICK_RATE_MS ) )
{
xEndTime = xTaskGetTickCount();
@ -249,13 +266,24 @@ u32_t sys_arch_mbox_tryfetch( sys_mbox_t *pxMailBox, void **ppvBuffer )
{
void *pvDummy;
unsigned long ulReturn;
long lResult;
portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
if( ppvBuffer== NULL )
{
ppvBuffer = &pvDummy;
}
if( pdTRUE == xQueueReceive( *pxMailBox, &( *ppvBuffer ), 0UL ) )
if( xInsideISR != pdFALSE )
{
lResult = xQueueReceiveFromISR( *pxMailBox, &( *ppvBuffer ), &xHigherPriorityTaskWoken );
}
else
{
lResult = xQueueReceive( *pxMailBox, &( *ppvBuffer ), 0UL );
}
if( lResult == pdPASS )
{
ulReturn = ERR_OK;
}
@ -441,7 +469,16 @@ void sys_mutex_free( sys_mutex_t *pxMutex )
*---------------------------------------------------------------------------*/
void sys_sem_signal( sys_sem_t *pxSemaphore )
{
xSemaphoreGive( *pxSemaphore );
portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
if( xInsideISR != pdFALSE )
{
xSemaphoreGiveFromISR( *pxSemaphore, &xHigherPriorityTaskWoken );
}
else
{
xSemaphoreGive( *pxSemaphore );
}
}
/*---------------------------------------------------------------------------*
@ -537,7 +574,10 @@ sys_thread_t xReturn;
*---------------------------------------------------------------------------*/
sys_prot_t sys_arch_protect( void )
{
taskENTER_CRITICAL();
if( xInsideISR == pdFALSE )
{
taskENTER_CRITICAL();
}
return ( sys_prot_t ) 1;
}
@ -555,7 +595,10 @@ sys_prot_t sys_arch_protect( void )
void sys_arch_unprotect( sys_prot_t xValue )
{
(void) xValue;
taskEXIT_CRITICAL();
if( xInsideISR == pdFALSE )
{
taskEXIT_CRITICAL();
}
}
/*