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 "Platform.h"
  17 #include <Library/DebugLib.h>
  18 #include <Library/HobLib.h>
  19 #include <Library/PeiServicesLib.h>
  20 #include <Library/PcdLib.h>
  21
  22
  23 /**
  24   Publish PEI & DXE (Decompressed) Memory based FVs to let PEI
  25   and DXE know about them.
  26
  27   @retval EFI_SUCCESS   Platform PEI FVs were initialized successfully.
  28
  29 **/
  30 EFI_STATUS
  31 PeiFvInitialization (
  32   VOID
  33   )
  34 {
  35   DEBUG ((EFI_D_INFO, "Platform PEI Firmware Volume Initialization\n"));
  36
  37   //
  38   // Create a memory allocation HOB for the PEI FV.
  39   //
  40   // Allocate as ACPI NVS is S3 is supported
  41   //
  42   BuildMemoryAllocationHob (
  43     PcdGet32 (PcdOvmfPeiMemFvBase),
  44     PcdGet32 (PcdOvmfPeiMemFvSize),
  45     mS3Supported ? EfiACPIMemoryNVS : EfiBootServicesData
  46     );
  47
  48   //
  49   // Let DXE know about the DXE FV
  50   //
  51   BuildFvHob (PcdGet32 (PcdOvmfDxeMemFvBase), PcdGet32 (PcdOvmfDxeMemFvSize));
  52
  53   //
  54   // Create a memory allocation HOB for the DXE FV.
  55   //
  56   BuildMemoryAllocationHob (
  57     PcdGet32 (PcdOvmfDxeMemFvBase),
  58     PcdGet32 (PcdOvmfDxeMemFvSize),
  59     EfiBootServicesData
  60     );
  61
  62   //
  63   // Let PEI know about the DXE FV so it can find the DXE Core
  64   //
  65   PeiServicesInstallFvInfoPpi (
  66     NULL,
  67     (VOID *)(UINTN) PcdGet32 (PcdOvmfDxeMemFvBase),
  68     PcdGet32 (PcdOvmfDxeMemFvSize),
  69     NULL,
  70     NULL
  71     );
  72
  73   return EFI_SUCCESS;
  74 }
  75