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Allow access to any buffer in xPortIsAuthorizedToAccessBuffer if xSchedulerRunning is set to pdFALSE

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This commit is contained in:
Soren Ptak 2024-01-24 12:26:23 -05:00
parent 72c7d86276
commit eb0bd2f9dc
1 changed files with 9 additions and 1 deletions
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10
portable/ARMv8M/non_secure/port.c
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@ -1906,7 +1906,15 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
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;
}