EmulatorPkg/ThunkPpiToProtocolPei/ThunkPpiToProtocolPei.c

   1 /*++ @file
   2   UEFI/PI PEIM to abstract construction of firmware volume in a Unix environment.
   3
   4 Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
   5 Portions copyright (c) 2010 - 2011, Apple Inc. All rights reserved.
   6 SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 #include <PiPei.h>
  11
  12 #include <Library/DebugLib.h>
  13 #include <Library/PeimEntryPoint.h>
  14 #include <Library/HobLib.h>
  15 #include <Library/PeiServicesLib.h>
  16 #include <Library/PeiServicesTablePointerLib.h>
  17
  18 #include <Ppi/EmuThunk.h>
  19 #include <Protocol/EmuThunk.h>
  20
  21
  22
  23 EFI_STATUS
  24 EFIAPI
  25 PeiInitialzeThunkPpiToProtocolPei (
  26   IN       EFI_PEI_FILE_HANDLE       FileHandle,
  27   IN CONST EFI_PEI_SERVICES          **PeiServices
  28   )
  29 /*++
  30
  31 Routine Description:
  32
  33   Perform a call-back into the SEC simulator to get Unix Stuff
  34
  35 Arguments:
  36
  37   PeiServices - General purpose services available to every PEIM.
  38
  39 Returns:
  40
  41   None
  42
  43 **/
  44 {
  45   EFI_STATUS              Status;
  46   EFI_PEI_PPI_DESCRIPTOR  *PpiDescriptor;
  47   EMU_THUNK_PPI           *Thunk;
  48   VOID                    *Ptr;
  49
  50   DEBUG ((EFI_D_ERROR, "Emu Thunk PEIM Loaded\n"));
  51
  52   Status = PeiServicesLocatePpi (
  53               &gEmuThunkPpiGuid,        // GUID
  54               0,                        // INSTANCE
  55               &PpiDescriptor,           // EFI_PEI_PPI_DESCRIPTOR
  56               (VOID **)&Thunk           // PPI
  57               );
  58   ASSERT_EFI_ERROR (Status);
  59
  60   Ptr = Thunk->Thunk ();
  61
  62   BuildGuidDataHob (
  63     &gEmuThunkProtocolGuid,              // Guid
  64     &Ptr,                                // Buffer
  65     sizeof (VOID *)                      // Sizeof Buffer
  66     );
  67   return Status;
  68 }