BaseTools: Library hashing fix and optimization for --hash feature

[mirror_edk2.git] / OvmfPkg / PlatformPei / Fv.c

/** @file\r
  Build FV related hobs for platform.\r
\r
  Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "PiPei.h"\r
#include "Platform.h"\r
#include <Library/DebugLib.h>\r
#include <Library/HobLib.h>\r
#include <Library/PeiServicesLib.h>\r
#include <Library/PcdLib.h>\r
\r
\r
/**\r
  Publish PEI & DXE (Decompressed) Memory based FVs to let PEI\r
  and DXE know about them.\r
\r
  @retval EFI_SUCCESS   Platform PEI FVs were initialized successfully.\r
\r
**/\r
EFI_STATUS\r
PeiFvInitialization (\r
  VOID\r
  )\r
{\r
  BOOLEAN SecureS3Needed;\r
\r
  DEBUG ((EFI_D_INFO, "Platform PEI Firmware Volume Initialization\n"));\r
\r
  //\r
  // Create a memory allocation HOB for the PEI FV.\r
  //\r
  // Allocate as ACPI NVS is S3 is supported\r
  //\r
  BuildMemoryAllocationHob (\r
    PcdGet32 (PcdOvmfPeiMemFvBase),\r
    PcdGet32 (PcdOvmfPeiMemFvSize),\r
    mS3Supported ? EfiACPIMemoryNVS : EfiBootServicesData\r
    );\r
\r
  //\r
  // Let DXE know about the DXE FV\r
  //\r
  BuildFvHob (PcdGet32 (PcdOvmfDxeMemFvBase), PcdGet32 (PcdOvmfDxeMemFvSize));\r
\r
  SecureS3Needed = mS3Supported && FeaturePcdGet (PcdSmmSmramRequire);\r
\r
  //\r
  // Create a memory allocation HOB for the DXE FV.\r
  //\r
  // If "secure" S3 is needed, then SEC will decompress both PEI and DXE\r
  // firmware volumes at S3 resume too, hence we need to keep away the OS from\r
  // DXEFV as well. Otherwise we only need to keep away DXE itself from the\r
  // DXEFV area.\r
  //\r
  BuildMemoryAllocationHob (\r
    PcdGet32 (PcdOvmfDxeMemFvBase),\r
    PcdGet32 (PcdOvmfDxeMemFvSize),\r
    SecureS3Needed ? EfiACPIMemoryNVS : EfiBootServicesData\r
    );\r
\r
  //\r
  // Additionally, said decompression will use temporary memory above the end\r
  // of DXEFV, so let's keep away the OS from there too.\r
  //\r
  if (SecureS3Needed) {\r
    UINT32 DxeMemFvEnd;\r
\r
    DxeMemFvEnd = PcdGet32 (PcdOvmfDxeMemFvBase) +\r
                  PcdGet32 (PcdOvmfDxeMemFvSize);\r
    BuildMemoryAllocationHob (\r
      DxeMemFvEnd,\r
      PcdGet32 (PcdOvmfDecompressionScratchEnd) - DxeMemFvEnd,\r
      EfiACPIMemoryNVS\r
      );\r
  }\r
\r
  //\r
  // Let PEI know about the DXE FV so it can find the DXE Core\r
  //\r
  PeiServicesInstallFvInfoPpi (\r
    NULL,\r
    (VOID *)(UINTN) PcdGet32 (PcdOvmfDxeMemFvBase),\r
    PcdGet32 (PcdOvmfDxeMemFvSize),\r
    NULL,\r
    NULL\r
    );\r
\r
  return EFI_SUCCESS;\r
}\r
\r