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| /** @file
| Read FFS Library.
|
| @copyright
| Copyright 2009 - 2021 Intel Corporation. <BR>
|
| SPDX-License-Identifier: BSD-2-Clause-Patent
| **/
|
| #ifndef __READ_FFS__
| #define __READ_FFS__
| #include <Base.h>
| #include <Pi/PiFirmwareVolume.h>
|
| #define MAX_COMPRESS_ITEM 196
| #define MAX_FFS_BUFFER_SIZE 8*1024
| #define COMPRESS_DUPLICATE 1
| #define COMPRESS_SINGLE 2
|
| #pragma pack(1)
| typedef struct {
| UINT16 Value;
| UINT16 Length;
| UINT8 Type;
| UINT16 Offset;
| } COMPRESS_ITEM;
|
| typedef struct {
| UINT32 Signature;
| UINT32 Count;
| //COMPRESS_ITEM item[Count];
| } COMPRESS_HOBO_DATA;
| #pragma pack()
|
|
| BOOLEAN NormalHobToCompressHob(IN OUT VOID* hobAddr,IN OUT UINTN* size);
| BOOLEAN CompressHobToNormalHob(IN OUT VOID* hobAddr,OUT UINTN* size);
|
| //read a FFS from FV.
| UINT8*
| PreMemReadFFSFile (
| IN EFI_FIRMWARE_VOLUME_HEADER* FwVolHeader,
| IN EFI_GUID FFSGuid,
| IN UINT32 FFSDataSize,
| IN BOOLEAN skipheader
| );
|
| EFI_STATUS
| ReadFFSFile (
| IN EFI_FIRMWARE_VOLUME_HEADER* FwVolHeader,
| IN EFI_GUID FFSGuid,
| IN UINT32 FFSDataSize,
| IN OUT VOID *FFSData,
| OUT UINT32 *FFSSize,
| IN BOOLEAN skipheader
| );
| EFI_STATUS ValidateCommonFvHeader ( EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader );
| #endif
|
|
