Add a check for if xSchedulerRunning is false to portable/GCC/ARM_CM3_MPU/port.c:xPortIsAuthorizedToAccessBuffer()

This commit is contained in:
Soren Ptak 2024-01-16 11:47:58 -05:00
parent c053ffeacc
commit 1fa457371a

View file

@ -1352,7 +1352,15 @@ BaseType_t xPortIsAuthorizedToAccessBuffer( const void * pvBuffer,
BaseType_t xAccessGranted = pdFALSE;
const xMPU_SETTINGS * xTaskMpuSettings = xTaskGetMPUSettings( NULL ); /* Calling task's MPU settings. */
if( ( xTaskMpuSettings->ulTaskFlags & portTASK_IS_PRIVILEGED_FLAG ) == portTASK_IS_PRIVILEGED_FLAG )
if( xSchedulerRunning == pdFALSE )
{
/* Grant access to all the kernel objects before the scheduler
* is started. It is necessary because there is no task running
* yet and therefore, we cannot use the permissions of any
* task. */
xAccessGranted = pdTRUE;
}
else if( ( xTaskMpuSettings->ulTaskFlags & portTASK_IS_PRIVILEGED_FLAG ) == portTASK_IS_PRIVILEGED_FLAG )
{
xAccessGranted = pdTRUE;
}