UEFITool/common/me.h

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/* me.h
Copyright (c) 2015, Nikolaj Schlej. 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,
WITHWARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*/
#ifndef ME_H
#define ME_H
#include "basetypes.h"
// Make sure we use right packing rules
#pragma pack(push, 1)
typedef struct ME_VERSION_ {
UINT32 Signature;
UINT32 Reserved;
UINT16 Major;
UINT16 Minor;
UINT16 Bugfix;
UINT16 Build;
} ME_VERSION;
#define ME_VERSION_SIGNATURE 0x4E414D24 //$MAN
#define ME_VERSION_SIGNATURE2 0x324E4D24 //$MN2
// FPT
#define ME_ROM_BYPASS_VECTOR_SIZE 0x10
#define FPT_HEADER_SIGNATURE 0x54504624 //$FPT
// Header version 1.0 or 2.0, default
typedef struct FPT_HEADER_ {
UINT32 Signature;
UINT32 NumEntries;
UINT8 HeaderVersion; // 0x10 or 0x20
UINT8 EntryVersion;
UINT8 HeaderLength;
UINT8 HeaderChecksum; // One bit for Redundant
UINT16 FlashCycleLife; // Maybe also TicksToAdd
UINT16 FlashCycleLimit;// Maybe also TokensToAdd
UINT32 UmaSize; // Maybe also Flags
UINT32 Flags; // Maybe also FlashLayout
UINT16 FitcMajor;
UINT16 FitcMinor;
UINT16 FitcHotfix;
UINT16 FitcBuild;
} FPT_HEADER;
// Header version 2.1, special case
#define FPT_HEADER_VERSION_21 0x21
typedef struct FPT_HEADER_21_ {
UINT32 Signature;
UINT32 NumEntries;
UINT8 HeaderVersion; // 0x21
UINT8 EntryVersion;
UINT8 HeaderLength;
UINT8 Flags; // One bit for Redundant
UINT16 TicksToAdd;
UINT16 TokensToAdd;
UINT32 SPSFlags;
UINT32 HeaderCrc32; // Header + Entries sums to 0
UINT16 FitcMajor;
UINT16 FitcMinor;
UINT16 FitcHotfix;
UINT16 FitcBuild;
} FPT_HEADER_21;
typedef struct FPT_HEADER_ENTRY_{
CHAR8 Name[4];
CHAR8 Owner[4];
UINT32 Offset;
UINT32 Size;
UINT32 Reserved[3];
UINT8 Type : 7;
UINT8 CopyToDramCache : 1;
UINT8 Reserved1 : 7;
UINT8 BuiltWithLength1 : 1;
UINT8 BuiltWithLength2 : 1;
UINT8 Reserved2 : 7;
UINT8 EntryValid;
} FPT_HEADER_ENTRY;
// IFWI
typedef struct IFWI_HEADER_ENTRY_ {
UINT32 Offset;
UINT32 Size;
} IFWI_HEADER_ENTRY;
// IFWI 1.6 (ME), 2.0 (BIOS)
typedef struct IFWI_16_LAYOUT_HEADER_ {
UINT8 RomBypassVector[16];
IFWI_HEADER_ENTRY DataPartition;
IFWI_HEADER_ENTRY BootPartition[5];
UINT64 Checksum;
} IFWI_16_LAYOUT_HEADER;
// IFWI 1.7 (ME)
typedef struct IFWI_17_LAYOUT_HEADER_ {
UINT8 RomBypassVector[16];
UINT16 HeaderSize;
UINT8 Flags;
UINT8 Reserved;
UINT32 Checksum;
IFWI_HEADER_ENTRY DataPartition;
IFWI_HEADER_ENTRY BootPartition[5];
IFWI_HEADER_ENTRY TempPage;
} IFWI_17_LAYOUT_HEADER;
#define ME_MANIFEST_HEADER_ID 0x324E4D24 //$MN2
// Restore previous packing rules
#pragma pack(pop)
#endif // ME_H