251     void vSystemCallEnter( uint32_t * pulTaskStack,
373         xMPUSettings->xSystemCallStackInfo.pulTaskStack = NULL;  in pxPortInitialiseStack()
454     void vSystemCallEnter( uint32_t * pulTaskStack,  in vSystemCallEnter()  argument
475         ulSystemCallLocation = pulTaskStack[ portOFFSET_TO_PC ];  in vSystemCallEnter()
492             ( pxMpuSettings->xSystemCallStackInfo.pulTaskStack == NULL ) &&  in vSystemCallEnter()
519                 pulSystemCallStack[ i ] = pulTaskStack[ i ];  in vSystemCallEnter()
535             pxMpuSettings->xSystemCallStackInfo.pulTaskStack = pulTaskStack + ulStackFrameSize;  in vSystemCallEnter()
541 …pxMpuSettings->xSystemCallStackInfo.ulLinkRegisterAtSystemCallEntry = pulTaskStack[ portOFFSET_TO_…  in vSystemCallEnter()
552 …if( ( pulTaskStack[ portOFFSET_TO_PSR ] & portPSR_STACK_PADDING_MASK ) == portPSR_STACK_PADDING_MA…  in vSystemCallEnter()
588         uint32_t * pulTaskStack;  in vSystemCallExit()  local
616             ( pxMpuSettings->xSystemCallStackInfo.pulTaskStack != NULL ) )  in vSystemCallExit()
618             pulTaskStack = pxMpuSettings->xSystemCallStackInfo.pulTaskStack;  in vSystemCallExit()
637             pulTaskStack = pulTaskStack - ulStackFrameSize;  in vSystemCallExit()
642                 pulTaskStack[ i ] = pulSystemCallStack[ i ];  in vSystemCallExit()
646             __asm volatile ( "msr psp, %0" : : "r" ( pulTaskStack ) );  in vSystemCallExit()
658 …pulTaskStack[ portOFFSET_TO_PC ] = pxMpuSettings->xSystemCallStackInfo.ulLinkRegisterAtSystemCallE…  in vSystemCallExit()
660 …pulTaskStack[ portOFFSET_TO_LR ] = pxMpuSettings->xSystemCallStackInfo.ulLinkRegisterAtSystemCallE…  in vSystemCallExit()
667                 pulTaskStack[ portOFFSET_TO_PSR ] |= portPSR_STACK_PADDING_MASK;  in vSystemCallExit()
671                 pulTaskStack[ portOFFSET_TO_PSR ] &= ( ~portPSR_STACK_PADDING_MASK );  in vSystemCallExit()
675             pxMpuSettings->xSystemCallStackInfo.pulTaskStack = NULL;  in vSystemCallExit()