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 This program and the accompanying materials
   6 are licensed and made available under the terms and conditions of the BSD License
   7 which accompanies this distribution.  The full text of the license may be found at
   8 http://opensource.org/licenses/bsd-license.php
   9
  10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15
  16
  17 //
  18 // The package level header files this module uses
  19 //
  20 #include <PiPei.h>
  21
  22 #include <Library/PcdLib.h>
  23 #include <Library/PeiServicesLib.h>
  24
  25
  26 //
  27 // The protocols, PPI and GUID defintions for this module
  28 //
  29 #include <Ppi/MasterBootMode.h>
  30 #include <Ppi/BootInRecoveryMode.h>
  31 //
  32 // The Library classes this module consumes
  33 //
  34 #include <Library/DebugLib.h>
  35 #include <Library/PeimEntryPoint.h>
  36
  37
  38 //
  39 // Module globals
  40 //
  41 EFI_PEI_PPI_DESCRIPTOR  mPpiListBootMode = {
  42   (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
  43   &gEfiPeiMasterBootModePpiGuid,
  44   NULL
  45 };
  46
  47 EFI_PEI_PPI_DESCRIPTOR  mPpiListRecoveryBootMode = {
  48   (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
  49   &gEfiPeiBootInRecoveryModePpiGuid,
  50   NULL
  51 };
  52
  53 EFI_STATUS
  54 EFIAPI
  55 InitializeBootMode (
  56   IN       EFI_PEI_FILE_HANDLE       FileHandle,
  57   IN CONST EFI_PEI_SERVICES          **PeiServices
  58   )
  59 /*++
  60
  61 Routine Description:
  62
  63   Peform the boot mode determination logic
  64
  65 Arguments:
  66
  67   PeiServices - General purpose services available to every PEIM.
  68
  69 Returns:
  70
  71   Status -  EFI_SUCCESS if the boot mode could be set
  72
  73 **/
  74 {
  75   EFI_STATUS    Status;
  76   EFI_BOOT_MODE BootMode;
  77
  78   DEBUG ((EFI_D_ERROR, "Emu Boot Mode PEIM Loaded\n"));
  79
  80   BootMode  = FixedPcdGet32 (PcdEmuBootMode);
  81
  82   Status    = PeiServicesSetBootMode (BootMode);
  83   ASSERT_EFI_ERROR (Status);
  84
  85   Status = PeiServicesInstallPpi (&mPpiListBootMode);
  86   ASSERT_EFI_ERROR (Status);
  87
  88   if (BootMode == BOOT_IN_RECOVERY_MODE) {
  89     Status = PeiServicesInstallPpi (&mPpiListRecoveryBootMode);
  90     ASSERT_EFI_ERROR (Status);
  91   }
  92
  93   return Status;
  94 }