EmulatorPkg/BootModePei/BootModePei.c

   1 /** @file
   2
   3 Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
   4 Portions copyright (c) 2011, Apple Inc. All rights reserved.
   5 SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 //
  10 // The package level header files this module uses
  11 //
  12 #include <PiPei.h>
  13
  14 #include <Library/PcdLib.h>
  15 #include <Library/PeiServicesLib.h>
  16
  17 //
  18 // The protocols, PPI and GUID defintions for this module
  19 //
  20 #include <Ppi/MasterBootMode.h>
  21 #include <Ppi/BootInRecoveryMode.h>
  22 //
  23 // The Library classes this module consumes
  24 //
  25 #include <Library/DebugLib.h>
  26 #include <Library/PeimEntryPoint.h>
  27
  28 //
  29 // Module globals
  30 //
  31 EFI_PEI_PPI_DESCRIPTOR  mPpiListBootMode = {
  32   (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
  33   &gEfiPeiMasterBootModePpiGuid,
  34   NULL
  35 };
  36
  37 EFI_PEI_PPI_DESCRIPTOR  mPpiListRecoveryBootMode = {
  38   (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
  39   &gEfiPeiBootInRecoveryModePpiGuid,
  40   NULL
  41 };
  42
  43 EFI_STATUS
  44 EFIAPI
  45 InitializeBootMode (
  46   IN       EFI_PEI_FILE_HANDLE  FileHandle,
  47   IN CONST EFI_PEI_SERVICES     **PeiServices
  48   )
  49
  50 /*++
  51
  52 Routine Description:
  53
  54   Peform the boot mode determination logic
  55
  56 Arguments:
  57
  58   PeiServices - General purpose services available to every PEIM.
  59
  60 Returns:
  61
  62   Status -  EFI_SUCCESS if the boot mode could be set
  63
  64 **/
  65 {
  66   EFI_STATUS     Status;
  67   EFI_BOOT_MODE  BootMode;
  68
  69   DEBUG ((DEBUG_ERROR, "Emu Boot Mode PEIM Loaded\n"));
  70
  71   BootMode = FixedPcdGet32 (PcdEmuBootMode);
  72
  73   Status = PeiServicesSetBootMode (BootMode);
  74   ASSERT_EFI_ERROR (Status);
  75
  76   Status = PeiServicesInstallPpi (&mPpiListBootMode);
  77   ASSERT_EFI_ERROR (Status);
  78
  79   if (BootMode == BOOT_IN_RECOVERY_MODE) {
  80     Status = PeiServicesInstallPpi (&mPpiListRecoveryBootMode);
  81     ASSERT_EFI_ERROR (Status);
  82   }
  83
  84   return Status;
  85 }