MdePkg/Library/PeiPiLib/PeiPiLib.c

   1 /** @file
   2   MDE PI library functions and macros for PEI phase
   3
   4   Copyright (c) 2007, 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 <Ppi/FirmwareVolumeInfo.h>
  17 #include <Guid/FirmwareFileSystem2.h>
  18
  19
  20 #include <Library/DebugLib.h>
  21 #include <Library/MemoryAllocationLib.h>
  22 #include <Library/PeiServicesLib.h>
  23 #include <Library/PeiPiLib.h>
  24
  25
  26 STATIC CONST EFI_PEI_FIRMWARE_VOLUME_INFO_PPI mFvInfoPpiTemplate = {
  27   EFI_FIRMWARE_FILE_SYSTEM2_GUID,
  28   NULL,
  29   0,    //FvInfoSize
  30   NULL, //ParentFvName
  31   NULL //ParentFileName;
  32 };
  33
  34 VOID
  35 EFIAPI
  36 PeiPiLibBuildPiFvInfoPpi (
  37   IN EFI_PHYSICAL_ADDRESS    FvStart,
  38   IN UINT64                  FvLength,
  39   IN EFI_GUID                *ParentFvName,
  40   IN EFI_GUID                *ParentFileName
  41   ) {
  42
  43   EFI_STATUS                       Status;
  44   EFI_PEI_FIRMWARE_VOLUME_INFO_PPI *FvInfoPpi;
  45   EFI_PEI_PPI_DESCRIPTOR           *FvInfoPpiDescriptor;
  46
  47   FvInfoPpi = AllocateCopyPool (sizeof (*FvInfoPpi), &mFvInfoPpiTemplate);
  48   ASSERT( FvInfoPpi != NULL);
  49
  50   FvInfoPpi->FvInfo = (VOID *) (UINTN) FvStart;
  51   FvInfoPpi->FvInfoSize = (UINT32) FvLength;
  52   FvInfoPpi->ParentFvName = ParentFvName;
  53   FvInfoPpi->ParentFileName = ParentFileName;
  54
  55
  56   FvInfoPpiDescriptor = AllocatePool (sizeof(EFI_PEI_PPI_DESCRIPTOR));
  57   ASSERT (FvInfoPpiDescriptor != NULL);
  58
  59   FvInfoPpiDescriptor->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;
  60   FvInfoPpiDescriptor->Guid  = &gEfiPeiFirmwareVolumeInfoPpiGuid;
  61   FvInfoPpiDescriptor->Ppi   = (VOID *) FvInfoPpi;
  62   Status = PeiServicesInstallPpi (FvInfoPpiDescriptor);
  63   ASSERT_EFI_ERROR (Status);
  64
  65
  66 }
  67