Multiprocessing with UEFI

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GetMpInfo// Find the MP Services ProtocolStatus = gBS->LocateProtocol( &gEfiMpServiceProtocolGuid, NULL, &MpProto);if (EFI_ERROR(Status)) {Print(L"Unable to locate the MpService procotol: %r\n", Status);break;}// Get Number of Processors and Number of Enabled ProcessorsStatus = MpProto->GetNumberOfProcessors( MpProto, &NumProc, &NumEnabled);if (EFI_ERROR(Status)) {Print(L"Unable to get the number of processors: %r\n", Status);break;}// Get Processor Health and Location informationStatus = MpProto->GetProcessorInfo( MpProto, ProcNum, &Tcb);if (EFI_ERROR(Status)) {Print(L"Unable to get information for proc. %d: %r\n", ProcNum, Status);}8 Daryl McDaniel8
StartAPs// Create an Event, required to call StartupThisAP in non-blocking modeStatus = gBS->CreateEvent( 0, TPL_NOTIFY, NULL, NULL, &Event);if(Status == EFI_SUCCESS){Print(L“Successful Event creation.\n");// Start a Task on the specified Processor.Status = MpProto->StartupThisAP( MpProto, Procedure, ProcNum, Event,TIMEOUT, ProcedureArgument, NULL);if(Status == EFI_SUCCESS) {Print(L“Task successfully started.\n");}else {Print(L"Failed to start Task on CPU %d: %r\n", ProcNum, Status);}}else {Print(L"Event creation failed: %r\n", Status);}9 Daryl McDaniel9
Page 1 and 2: Multiprocessingwith UEFIDaryl McDan
Page 3 and 4: Multi-Processor Programming•Platf
Page 5 and 6: Resource Exclusivity• Synchroniza
Page 7: StartCore Structure• Library Func
Page 11 and 12: Root Task// Retrieve and Display NU
Page 13 and 14: Additional resources:• More web b

Multiprocessing with UEFI

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