/**

  Initialize OEM status code device .

  @return    Always return EFI_SUCCESS.

**/
EFI_STATUS
EFIAPI
OemHookStatusCodeInitialize (
  VOID
  )
{
  PEI_NT_THUNK_PPI  *NtThunkPpi;
  EFI_STATUS        Status;


  //
  // Locate NtThunkPpi for retrieving standard output handle
  //
  Status = PeiServicesLocatePpi (
              &gPeiNtThunkPpiGuid,
              0,
              NULL,
              (VOID **) &NtThunkPpi
              );

  ASSERT_EFI_ERROR (Status);

  mWinNt  = (EFI_WIN_NT_THUNK_PROTOCOL *) NtThunkPpi->NtThunk ();


  //
  // Cache standard output handle.
  //
  mStdOut = mWinNt->GetStdHandle (STD_OUTPUT_HANDLE);

  return EFI_SUCCESS;
}
Пример #2
0
EFI_STATUS
EFIAPI
PeimInitializeWinNtStuff (
  IN EFI_FFS_FILE_HEADER       *FfsHeader,
  IN EFI_PEI_SERVICES          **PeiServices
  )
/*++

Routine Description:

  Perform a call-back into the SEC simulator to get NT Stuff

Arguments:

  PeiServices - General purpose services available to every PEIM.
    
Returns:

  None

--*/
// TODO:    FfsHeader - add argument and description to function comment
{
  EFI_STATUS              Status;
  EFI_PEI_PPI_DESCRIPTOR  *PpiDescriptor;
  PEI_NT_THUNK_PPI        *PeiNtService;
  UINT64                  InterfaceSize;
  EFI_PHYSICAL_ADDRESS    InterfaceBase;

  Status = (**PeiServices).LocatePpi (
                            PeiServices,
                            &gPeiNtThunkPpiGuid,  // GUID
                            0,                    // INSTANCE
                            &PpiDescriptor,       // EFI_PEI_PPI_DESCRIPTOR
                            &PeiNtService         // PPI
                            );
  ASSERT_PEI_ERROR (PeiServices, Status);

  Status = PeiNtService->NtThunk (&InterfaceSize, &InterfaceBase);
  ASSERT_PEI_ERROR (PeiServices, Status);

  Status = PeiBuildHobGuidData (
            PeiServices,
            &mEfiPeiWinNtThunkProtocolGuid,       // Guid
            &InterfaceBase,                       // Buffer
            (UINTN) InterfaceSize                 // BufferSize
            );
  return Status;
}
Пример #3
0
EFI_STATUS
EFIAPI
PeimInitializeWinNtThunkPPIToProtocolPeim (
  IN EFI_FFS_FILE_HEADER       *FfsHeader,
  IN EFI_PEI_SERVICES          **PeiServices
  )
/*++

Routine Description:

  Perform a call-back into the SEC simulator to get NT Stuff

Arguments:

  PeiServices - General purpose services available to every PEIM.
    
Returns:

  None

--*/
// TODO:    FfsHeader - add argument and description to function comment
{
  EFI_STATUS              Status;
  EFI_PEI_PPI_DESCRIPTOR  *PpiDescriptor;
  PEI_NT_THUNK_PPI        *PeiNtService;
  VOID                    *Ptr;

  DEBUG ((EFI_D_ERROR, "NT 32 WinNT Stuff PEIM Loaded\n"));

  Status = (**PeiServices).LocatePpi (
                            (const EFI_PEI_SERVICES **)PeiServices,
                            &gPeiNtThunkPpiGuid,  // GUID
                            0,                    // INSTANCE
                            &PpiDescriptor,       // EFI_PEI_PPI_DESCRIPTOR
                            (VOID**)&PeiNtService         // PPI
                            );
  ASSERT_EFI_ERROR (Status);

  Ptr = PeiNtService->NtThunk ();

  BuildGuidDataHob (
    &gEfiWinNtThunkProtocolGuid,         // Guid
    &Ptr,                                // Buffer
    sizeof (VOID *)                      // Sizeof Buffer
    );
  return Status;
}