OvmfPkg/PlatformPei/Fv.c

   1 /** @file
   2   Build FV related hobs for platform.
   3
   4   Copyright (c) 2006 - 2009, Intel Corporation
   5   All rights reserved. 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/PeimEntryPoint.h>
  18 #include <Library/HobLib.h>
  19 #include <Library/PeiServicesLib.h>
  20 #include <Library/PeiServicesTablePointerLib.h>
  21 #include <Library/PcdLib.h>
  22
  23
  24 /**
  25   Perform a call-back into the SEC simulator to get address of the Firmware Hub
  26
  27   @param  FfsHeader     Ffs Header availible to every PEIM
  28   @param  PeiServices   General purpose services available to every PEIM.
  29
  30   @retval EFI_SUCCESS   Platform PEI FVs were initialized successfully.
  31
  32 **/
  33 EFI_STATUS
  34 PeiFvInitialization (
  35   VOID
  36   )
  37 {
  38   EFI_PHYSICAL_ADDRESS FdBase;
  39
  40   DEBUG ((EFI_D_ERROR, "Platform PEI Firmware Volume Initialization\n"));
  41
  42   DEBUG (
  43     (EFI_D_ERROR, "Firmware Volume HOB: 0x%x 0x%x\n",
  44       PcdGet32 (PcdOvmfFlashFvRecoveryBase),
  45       PcdGet32 (PcdOvmfFlashFvRecoverySize)
  46       )
  47     );
  48
  49   FdBase = PcdGet32 (PcdOvmfFlashFvRecoveryBase) - PcdGet32 (PcdVariableStoreSize) - PcdGet32 (PcdFlashNvStorageFtwSpareSize);
  50   BuildFvHob (PcdGet32 (PcdOvmfFlashFvRecoveryBase), PcdGet32 (PcdOvmfFlashFvRecoverySize));
  51
  52   BuildResourceDescriptorHob (
  53     EFI_RESOURCE_FIRMWARE_DEVICE,
  54     (EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
  55     FdBase,
  56     PcdGet32 (PcdOvmfFirmwareFdSize)
  57     );
  58
  59   return EFI_SUCCESS;
  60 }
  61