ArmPlatformPkg/PlatformPei/PlatformPei.c

   1 /** @file
   2 *
   3 *  Copyright (c) 2011, ARM Limited. All rights reserved.
   4 *
   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 // The package level header files this module uses
  17 //
  18 #include <PiPei.h>
  19 //
  20 // The protocols, PPI and GUID defintions for this module
  21 //
  22 #include <Ppi/MasterBootMode.h>
  23 #include <Ppi/BootInRecoveryMode.h>
  24 //
  25 // The Library classes this module consumes
  26 //
  27 #include <Library/DebugLib.h>
  28 #include <Library/PeimEntryPoint.h>
  29 #include <Library/PcdLib.h>
  30 #include <Library/HobLib.h>
  31
  32
  33 //
  34 // Module globals
  35 //
  36 EFI_PEI_PPI_DESCRIPTOR  mPpiListBootMode = {
  37   (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
  38   &gEfiPeiMasterBootModePpiGuid,
  39   NULL
  40 };
  41
  42 EFI_PEI_PPI_DESCRIPTOR  mPpiListRecoveryBootMode = {
  43   (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
  44   &gEfiPeiBootInRecoveryModePpiGuid,
  45   NULL
  46 };
  47
  48 EFI_STATUS
  49 EFIAPI
  50 InitializePlatformPeim (
  51   IN       EFI_PEI_FILE_HANDLE  FileHandle,
  52   IN CONST EFI_PEI_SERVICES     **PeiServices
  53   )
  54 /*++
  55
  56 Routine Description:
  57
  58
  59
  60 Arguments:
  61
  62   FileHandle  - Handle of the file being invoked.
  63   PeiServices - Describes the list of possible PEI Services.
  64
  65 Returns:
  66
  67   Status -  EFI_SUCCESS if the boot mode could be set
  68
  69 --*/
  70 {
  71   EFI_STATUS                    Status;
  72   UINTN                         BootMode;
  73
  74   DEBUG ((EFI_D_ERROR, "Platform PEIM Loaded\n"));
  75
  76   BuildCpuHob (PcdGet8 (PcdPrePiCpuMemorySize), PcdGet8 (PcdPrePiCpuIoSize));
  77
  78   BuildFvHob (FixedPcdGet32(PcdFlashFvMainBase), FixedPcdGet32(PcdFlashFvMainSize));
  79
  80   //
  81   // Let's assume things are OK if not told otherwise
  82   // Should we read an environment variable in order to easily change this?
  83   //
  84   BootMode  = BOOT_WITH_FULL_CONFIGURATION;
  85
  86   Status    = (**PeiServices).SetBootMode (PeiServices, (UINT8) BootMode);
  87   ASSERT_EFI_ERROR (Status);
  88
  89   Status = (**PeiServices).InstallPpi (PeiServices, &mPpiListBootMode);
  90   ASSERT_EFI_ERROR (Status);
  91
  92   if (BootMode == BOOT_IN_RECOVERY_MODE) {
  93     Status = (**PeiServices).InstallPpi (PeiServices, &mPpiListRecoveryBootMode);
  94     ASSERT_EFI_ERROR (Status);
  95   }
  96
  97   return Status;
  98 }