OvmfPkg/PlatformPei/Fv.c

   1 /** @file
   2   Build FV related hobs for platform.
   3
   4   Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
   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 #include "PiPei.h"
  16 #include <Library/DebugLib.h>
  17 #include <Library/HobLib.h>
  18 #include <Library/PeiServicesLib.h>
  19 #include <Library/PcdLib.h>
  20
  21
  22 /**
  23   Publish PEI & DXE (Decompressed) Memory based FVs to let PEI
  24   and DXE know about them.
  25
  26   @retval EFI_SUCCESS   Platform PEI FVs were initialized successfully.
  27
  28 **/
  29 EFI_STATUS
  30 PeiFvInitialization (
  31   VOID
  32   )
  33 {
  34   DEBUG ((EFI_D_INFO, "Platform PEI Firmware Volume Initialization\n"));
  35
  36   //
  37   // Create a memory allocation HOB for the PEI FV.
  38   //
  39   // Note: This should be changed to ACPI NVS when S3 resume is enabled.
  40   //
  41   BuildMemoryAllocationHob (
  42     PcdGet32 (PcdOvmfPeiMemFvBase),
  43     PcdGet32 (PcdOvmfPeiMemFvSize),
  44     EfiBootServicesData
  45     );
  46
  47   //
  48   // Let DXE know about the DXE FV
  49   //
  50   BuildFvHob (PcdGet32 (PcdOvmfDxeMemFvBase), PcdGet32 (PcdOvmfDxeMemFvSize));
  51
  52   //
  53   // Create a memory allocation HOB for the DXE FV.
  54   //
  55   BuildMemoryAllocationHob (
  56     PcdGet32 (PcdOvmfDxeMemFvBase),
  57     PcdGet32 (PcdOvmfDxeMemFvSize),
  58     EfiBootServicesData
  59     );
  60
  61   //
  62   // Let PEI know about the DXE FV so it can find the DXE Core
  63   //
  64   PeiServicesInstallFvInfoPpi (
  65     NULL,
  66     (VOID *)(UINTN) PcdGet32 (PcdOvmfDxeMemFvBase),
  67     PcdGet32 (PcdOvmfDxeMemFvSize),
  68     NULL,
  69     NULL
  70     );
  71
  72   return EFI_SUCCESS;
  73 }
  74