PeiServicesLib.h>externEFI_GUID gMyFirstPpiGuid;EFI_STATUS EFIAPI NotifiMyDriverCallBack(IN EFI_PEI_SERVICES**PeiServices,IN EFI_PEI_NOTIFY_DESCRIPTOR*NotifyDesc,IN VOID*Ppi){UINTN Temp;for(Temp=0;Temp<=5;Temp++){DEBUG((DEBUG_INFO,"\n"));}DEBUG((DEBUG_INFO,"Ppi Peim A is install!