audk/ArmPlatformPkg/PlatformPei/PlatformPei.c

/** @file
*
*  Copyright (c) 2011, ARM Limited. All rights reserved.
*  
*  This program and the accompanying materials                          
*  are licensed and made available under the terms and conditions of the BSD License         
*  which accompanies this distribution.  The full text of the license may be found at        
*  http://opensource.org/licenses/bsd-license.php                                            
*
*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
*
**/

//
// The package level header files this module uses
//
#include <PiPei.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>
#include <Library/PcdLib.h>
#include <Library/HobLib.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
InitializePlatformPeim (
  IN       EFI_PEI_FILE_HANDLE  FileHandle,
  IN CONST EFI_PEI_SERVICES     **PeiServices
  )
/*++

Routine Description:

  

Arguments:

  FileHandle  - Handle of the file being invoked.
  PeiServices - Describes the list of possible PEI Services.
    
Returns:

  Status -  EFI_SUCCESS if the boot mode could be set

--*/
{
  EFI_STATUS                    Status;
  UINTN                         BootMode;

  DEBUG ((EFI_D_ERROR, "Platform PEIM Loaded\n"));

  BuildCpuHob (PcdGet8 (PcdPrePiCpuMemorySize), PcdGet8 (PcdPrePiCpuIoSize));
  
  BuildFvHob (FixedPcdGet32(PcdFlashFvMainBase), FixedPcdGet32(PcdFlashFvMainSize));
  
  BootMode  = ArmPlatformGetBootMode ();
  Status    = (**PeiServices).SetBootMode (PeiServices, (UINT8) BootMode);
  ASSERT_EFI_ERROR (Status);

  Status = (**PeiServices).InstallPpi (PeiServices, &mPpiListBootMode);
  ASSERT_EFI_ERROR (Status);

  if (BootMode == BOOT_IN_RECOVERY_MODE) {
    Status = (**PeiServices).InstallPpi (PeiServices, &mPpiListRecoveryBootMode);
    ASSERT_EFI_ERROR (Status);
  }

  return Status;
}