audk/MdePkg/Library/PeiPiLib/PeiPiLib.c

68 lines
2.2 KiB
C

/** @file
MDE PI library functions and macros for PEI phase
Copyright (c) 2007, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <PiPei.h>
#include <Ppi/FirmwareVolumeInfo.h>
#include <Guid/FirmwareFileSystem2.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PeiServicesLib.h>
#include <Library/PeiPiLib.h>
STATIC CONST EFI_PEI_FIRMWARE_VOLUME_INFO_PPI mFvInfoPpiTemplate = {
EFI_FIRMWARE_FILE_SYSTEM2_GUID,
NULL,
0, //FvInfoSize
NULL, //ParentFvName
NULL //ParentFileName;
};
VOID
EFIAPI
PeiPiLibBuildPiFvInfoPpi (
IN EFI_PHYSICAL_ADDRESS FvStart,
IN UINT64 FvLength,
IN EFI_GUID *ParentFvName,
IN EFI_GUID *ParentFileName
) {
EFI_STATUS Status;
EFI_PEI_FIRMWARE_VOLUME_INFO_PPI *FvInfoPpi;
EFI_PEI_PPI_DESCRIPTOR *FvInfoPpiDescriptor;
FvInfoPpi = AllocateCopyPool (sizeof (*FvInfoPpi), &mFvInfoPpiTemplate);
ASSERT( FvInfoPpi != NULL);
FvInfoPpi->FvInfo = (VOID *) (UINTN) FvStart;
FvInfoPpi->FvInfoSize = (UINT32) FvLength;
FvInfoPpi->ParentFvName = ParentFvName;
FvInfoPpi->ParentFileName = ParentFileName;
FvInfoPpiDescriptor = AllocatePool (sizeof(EFI_PEI_PPI_DESCRIPTOR));
ASSERT (FvInfoPpiDescriptor != NULL);
FvInfoPpiDescriptor->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;
FvInfoPpiDescriptor->Guid = &gEfiPeiFirmwareVolumeInfoPpiGuid;
FvInfoPpiDescriptor->Ppi = (VOID *) FvInfoPpi;
Status = PeiServicesInstallPpi (FvInfoPpiDescriptor);
ASSERT_EFI_ERROR (Status);
}