/**@file

Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent

Module Name:

    WinNtStuff.c
    
Abstract:

    Tiano PEIM to abstract construction of firmware volume in a Windows NT environment.

Revision History

**/

//
// The package level header files this module uses
//
#include <PiPei.h>
#include <WinNtPeim.h>
//
// The protocols, PPI and GUID defintions for this module
//
#include <Protocol/WinNtThunk.h>
#include <Ppi/NtThunk.h>
//
// The Library classes this module consumes
//
#include <Library/DebugLib.h>
#include <Library/PeimEntryPoint.h>
#include <Library/HobLib.h>

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;
}