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Add a check for if xSchedulerRunning is false to portable/GCC/ARM_CM4_MPU/port.c:xPortIsAuthorizedToAccessBuffer()

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Soren Ptak 2024-01-16 11:48:38 -05:00
parent 1fa457371a
commit 99df2d2aae
1 changed files with 9 additions and 1 deletions
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10
portable/GCC/ARM_CM4_MPU/port.c
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@ -1523,7 +1523,15 @@ 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;
}