EmulatorPkg/BootModePei/BootModePei.c

/** @file

Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
Portions copyright (c) 2011, Apple Inc. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

**/

//
// The package level header files this module uses
//
#include <PiPei.h>

#include <Library/PcdLib.h>
#include <Library/PeiServicesLib.h>

//
// The protocols, PPI and GUID defintions for this module
//
#include <Ppi/MasterBootMode.h>
#include <Ppi/BootInRecoveryMode.h>
//
// The Library classes this module consumes
//
#include <Library/DebugLib.h>
#include <Library/PeimEntryPoint.h>

//
// Module globals
//
EFI_PEI_PPI_DESCRIPTOR  mPpiListBootMode = {
  (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
  &gEfiPeiMasterBootModePpiGuid,
  NULL
};

EFI_PEI_PPI_DESCRIPTOR  mPpiListRecoveryBootMode = {
  (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
  &gEfiPeiBootInRecoveryModePpiGuid,
  NULL
};

EFI_STATUS
EFIAPI
InitializeBootMode (
  IN       EFI_PEI_FILE_HANDLE  FileHandle,
  IN CONST EFI_PEI_SERVICES     **PeiServices
  )

/*++

Routine Description:

  Peform the boot mode determination logic

Arguments:

  PeiServices - General purpose services available to every PEIM.

Returns:

  Status -  EFI_SUCCESS if the boot mode could be set

**/
{
  EFI_STATUS     Status;
  EFI_BOOT_MODE  BootMode;

  DEBUG ((DEBUG_ERROR, "Emu Boot Mode PEIM Loaded\n"));

  BootMode = FixedPcdGet32 (PcdEmuBootMode);

  Status = PeiServicesSetBootMode (BootMode);
  ASSERT_EFI_ERROR (Status);

  Status = PeiServicesInstallPpi (&mPpiListBootMode);
  ASSERT_EFI_ERROR (Status);

  if (BootMode == BOOT_IN_RECOVERY_MODE) {
    Status = PeiServicesInstallPpi (&mPpiListRecoveryBootMode);
    ASSERT_EFI_ERROR (Status);
  }

  return Status;
}