BootModePei.c

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//
// 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;
}