2013-10-08 15:07:03 +08:00
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/* ffs.h
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Copyright (c) 2013, Nikolaj Schlej. All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHWARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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*/
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#ifndef __FFS_H__
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#define __FFS_H__
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#include <QByteArray>
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#include <QString>
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#include "basetypes.h"
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// C++ functions
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// GUID to QString routine
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extern QString guidToQString(const EFI_GUID guid);
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// File type to QString routine
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extern QString fileTypeToQString(const UINT8 type);
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// Section type to QString routine
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extern QString sectionTypeToQString(const UINT8 type);
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Make sure we use right packing rules
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#pragma pack(push,1)
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//*****************************************************************************
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// EFI Capsule
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//*****************************************************************************
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// Capsule header
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typedef struct {
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EFI_GUID CapsuleGuid;
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UINT32 HeaderSize;
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UINT32 Flags;
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UINT32 CapsuleImageSize;
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} EFI_CAPSULE_HEADER;
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// Capsule flags
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#define EFI_CAPSULE_HEADER_FLAG_SETUP 0x00000001
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#define EFI_CAPSULE_HEADER_FLAG_PERSIST_ACROSS_RESET 0x00010000
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#define EFI_CAPSULE_HEADER_FLAG_POPULATE_SYSTEM_TABLE 0x00020000
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// Standard EFI capsule GUID
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const QByteArray EFI_CAPSULE_GUID("\xBD\x86\x66\x3B\x76\x0D\x30\x40\xB7\x0E\xB5\x51\x9E\x2F\xC5\xA0", 16);
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// AMI Aptio extended capsule header
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typedef struct {
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EFI_CAPSULE_HEADER CapsuleHeader;
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UINT16 RomImageOffset; // offset in bytes from the beginning of the capsule header to the start of
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// the capsule volume
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//!TODO: Enable certificate and rom layout reading
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//UINT16 RomLayoutOffset; // offset to the table of the module descriptors in the capsule's volume
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// that are included in the signature calculation
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//FW_CERTIFICATE FWCert;
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//ROM_AREA RomAreaMap[1];
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} APTIO_CAPSULE_HEADER;
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// AMI Aptio extended capsule GUID
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const QByteArray APTIO_CAPSULE_GUID("\x8B\xA6\x3C\x4A\x23\x77\xFB\x48\x80\x3D\x57\x8C\xC1\xFE\xC4\x4D", 16);
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//*****************************************************************************
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// EFI Firmware Volume
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//*****************************************************************************
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// Firmware block map entry
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// FvBlockMap ends with an entry {0x00000000, 0x00000000}
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typedef struct {
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UINT32 NumBlocks;
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UINT32 BlockLength;
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} EFI_FV_BLOCK_MAP_ENTRY;
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// Volume header
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typedef struct {
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UINT8 ZeroVector[16];
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EFI_GUID FileSystemGuid;
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UINT64 FvLength;
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UINT32 Signature;
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UINT32 Attributes;
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UINT16 HeaderLength;
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UINT16 Checksum;
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UINT16 ExtHeaderOffset; //Reserved in Revision 1
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UINT8 Reserved[1];
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UINT8 Revision;
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//EFI_FV_BLOCK_MAP_ENTRY FvBlockMap[1];
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} EFI_FIRMWARE_VOLUME_HEADER;
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// Filesystem GUIDs
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const QByteArray EFI_FIRMWARE_FILE_SYSTEM_GUID
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("\xD9\x54\x93\x7A\x68\x04\x4A\x44\x81\xCE\x0B\xF6\x17\xD8\x90\xDF", 16);
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const QByteArray EFI_FIRMWARE_FILE_SYSTEM2_GUID
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("\x78\xE5\x8C\x8C\x3D\x8A\x1C\x4F\x99\x35\x89\x61\x85\xC3\x2D\xD3", 16);
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// Firmware volume signature
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const QByteArray EFI_FV_SIGNATURE("_FVH", 4);
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#define EFI_FV_SIGNATURE_OFFSET 0x28
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// Firmware volume attributes
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// Revision 1
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#define EFI_FVB_READ_DISABLED_CAP 0x00000001
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#define EFI_FVB_READ_ENABLED_CAP 0x00000002
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#define EFI_FVB_READ_STATUS 0x00000004
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#define EFI_FVB_WRITE_DISABLED_CAP 0x00000008
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#define EFI_FVB_WRITE_ENABLED_CAP 0x00000010
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#define EFI_FVB_WRITE_STATUS 0x00000020
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#define EFI_FVB_LOCK_CAP 0x00000040
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#define EFI_FVB_LOCK_STATUS 0x00000080
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#define EFI_FVB_STICKY_WRITE 0x00000200
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#define EFI_FVB_MEMORY_MAPPED 0x00000400
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#define EFI_FVB_ERASE_POLARITY 0x00000800
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#define EFI_FVB_ALIGNMENT_CAP 0x00008000
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#define EFI_FVB_ALIGNMENT_2 0x00010000
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#define EFI_FVB_ALIGNMENT_4 0x00020000
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#define EFI_FVB_ALIGNMENT_8 0x00040000
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#define EFI_FVB_ALIGNMENT_16 0x00080000
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#define EFI_FVB_ALIGNMENT_32 0x00100000
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#define EFI_FVB_ALIGNMENT_64 0x00200000
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#define EFI_FVB_ALIGNMENT_128 0x00400000
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#define EFI_FVB_ALIGNMENT_256 0x00800000
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#define EFI_FVB_ALIGNMENT_512 0x01000000
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#define EFI_FVB_ALIGNMENT_1K 0x02000000
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#define EFI_FVB_ALIGNMENT_2K 0x04000000
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#define EFI_FVB_ALIGNMENT_4K 0x08000000
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#define EFI_FVB_ALIGNMENT_8K 0x10000000
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#define EFI_FVB_ALIGNMENT_16K 0x20000000
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#define EFI_FVB_ALIGNMENT_32K 0x40000000
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#define EFI_FVB_ALIGNMENT_64K 0x80000000
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// Revision 2
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#define EFI_FVB2_READ_DISABLED_CAP 0x00000001
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#define EFI_FVB2_READ_ENABLED_CAP 0x00000002
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#define EFI_FVB2_READ_STATUS 0x00000004
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#define EFI_FVB2_WRITE_DISABLED_CAP 0x00000008
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#define EFI_FVB2_WRITE_ENABLED_CAP 0x00000010
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#define EFI_FVB2_WRITE_STATUS 0x00000020
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#define EFI_FVB2_LOCK_CAP 0x00000040
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#define EFI_FVB2_LOCK_STATUS 0x00000080
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#define EFI_FVB2_STICKY_WRITE 0x00000200
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#define EFI_FVB2_MEMORY_MAPPED 0x00000400
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#define EFI_FVB2_ERASE_POLARITY 0x00000800
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#define EFI_FVB2_READ_LOCK_CAP 0x00001000
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#define EFI_FVB2_READ_LOCK_STATUS 0x00002000
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#define EFI_FVB2_WRITE_LOCK_CAP 0x00004000
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#define EFI_FVB2_WRITE_LOCK_STATUS 0x00008000
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#define EFI_FVB2_ALIGNMENT 0x001F0000
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#define EFI_FVB2_ALIGNMENT_1 0x00000000
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#define EFI_FVB2_ALIGNMENT_2 0x00010000
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#define EFI_FVB2_ALIGNMENT_4 0x00020000
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#define EFI_FVB2_ALIGNMENT_8 0x00030000
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#define EFI_FVB2_ALIGNMENT_16 0x00040000
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#define EFI_FVB2_ALIGNMENT_32 0x00050000
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#define EFI_FVB2_ALIGNMENT_64 0x00060000
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#define EFI_FVB2_ALIGNMENT_128 0x00070000
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#define EFI_FVB2_ALIGNMENT_256 0x00080000
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#define EFI_FVB2_ALIGNMENT_512 0x00090000
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#define EFI_FVB2_ALIGNMENT_1K 0x000A0000
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#define EFI_FVB2_ALIGNMENT_2K 0x000B0000
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#define EFI_FVB2_ALIGNMENT_4K 0x000C0000
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#define EFI_FVB2_ALIGNMENT_8K 0x000D0000
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#define EFI_FVB2_ALIGNMENT_16K 0x000E0000
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#define EFI_FVB2_ALIGNMENT_32K 0x000F0000
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#define EFI_FVB2_ALIGNMENT_64K 0x00100000
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#define EFI_FVB2_ALIGNMENT_128K 0x00110000
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#define EFI_FVB2_ALIGNMENT_256K 0x00120000
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#define EFI_FVB2_ALIGNMENT_512K 0x00130000
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#define EFI_FVB2_ALIGNMENT_1M 0x00140000
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#define EFI_FVB2_ALIGNMENT_2M 0x00150000
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#define EFI_FVB2_ALIGNMENT_4M 0x00160000
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#define EFI_FVB2_ALIGNMENT_8M 0x00170000
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#define EFI_FVB2_ALIGNMENT_16M 0x00180000
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#define EFI_FVB2_ALIGNMENT_32M 0x00190000
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#define EFI_FVB2_ALIGNMENT_64M 0x001A0000
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#define EFI_FVB2_ALIGNMENT_128M 0x001B0000
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#define EFI_FVB2_ALIGNMENT_256M 0x001C0000
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#define EFI_FVB2_ALIGNMENT_512M 0x001D0000
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#define EFI_FVB2_ALIGNMENT_1G 0x001E0000
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#define EFI_FVB2_ALIGNMENT_2G 0x001F0000
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#define EFI_FVB2_WEAK_ALIGNMENT 0x80000000
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// Extended firmware volume header
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typedef struct {
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EFI_GUID FvName;
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UINT32 ExtHeaderSize;
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} EFI_FIRMWARE_VOLUME_EXT_HEADER;
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// Extended header entry
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// The extended header entries follow each other and are
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// terminated by ExtHeaderType EFI_FV_EXT_TYPE_END
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#define EFI_FV_EXT_TYPE_END 0x00
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typedef struct {
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UINT16 ExtEntrySize;
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UINT16 ExtEntryType;
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} EFI_FIRMWARE_VOLUME_EXT_ENTRY;
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// GUID that maps OEM file types to GUIDs
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#define EFI_FV_EXT_TYPE_OEM_TYPE 0x01
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typedef struct {
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EFI_FIRMWARE_VOLUME_EXT_ENTRY Header;
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UINT32 TypeMask;
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//EFI_GUID Types[1];
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} EFI_FIRMWARE_VOLUME_EXT_HEADER_OEM_TYPE;
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#define EFI_FV_EXT_TYPE_GUID_TYPE 0x02
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typedef struct {
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EFI_FIRMWARE_VOLUME_EXT_ENTRY Header;
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EFI_GUID FormatType;
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//UINT8 Data[];
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} EFI_FIRMWARE_VOLUME_EXT_ENTRY_GUID_TYPE;
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// Volume header 16bit checksum calculation routine
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extern UINT16 calculateChecksum16(UINT8* buffer, UINT32 bufferSize);
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//*****************************************************************************
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// EFI FFS File
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//*****************************************************************************
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// Integrity check
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typedef union {
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struct {
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UINT8 Header;
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UINT8 File;
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} Checksum;
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UINT16 TailReference; // Revision 1
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UINT16 Checksum16; // Revision 2
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} EFI_FFS_INTEGRITY_CHECK;
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// File header
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typedef struct {
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EFI_GUID Name;
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EFI_FFS_INTEGRITY_CHECK IntegrityCheck;
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UINT8 Type;
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UINT8 Attributes;
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UINT8 Size[3];
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UINT8 State;
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} EFI_FFS_FILE_HEADER;
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// Large file header
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//typedef struct {
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// EFI_GUID Name;
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// EFI_FFS_INTEGRITY_CHECK IntegrityCheck;
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// UINT8 Type;
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// UINT8 Attributes;
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// UINT8 Size[3];
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// UINT8 State;
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// UINT12 ExtendedSize;
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//} EFI_FFS_FILE_HEADER2;
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// Standart data checksum, used if FFS_ATTRIB_CHECKSUM is clear
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#define FFS_FIXED_CHECKSUM 0x5A
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#define FFS_FIXED_CHECKSUM2 0xAA
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// File types
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#define EFI_FV_FILETYPE_ALL 0x00
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#define EFI_FV_FILETYPE_RAW 0x01
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#define EFI_FV_FILETYPE_FREEFORM 0x02
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#define EFI_FV_FILETYPE_SECURITY_CORE 0x03
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#define EFI_FV_FILETYPE_PEI_CORE 0x04
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#define EFI_FV_FILETYPE_DXE_CORE 0x05
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#define EFI_FV_FILETYPE_PEIM 0x06
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#define EFI_FV_FILETYPE_DRIVER 0x07
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#define EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER 0x08
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#define EFI_FV_FILETYPE_APPLICATION 0x09
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#define EFI_FV_FILETYPE_SMM 0x0A
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#define EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE 0x0B
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#define EFI_FV_FILETYPE_COMBINED_SMM_DXE 0x0C
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#define EFI_FV_FILETYPE_SMM_CORE 0x0D
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#define EFI_FV_FILETYPE_OEM_MIN 0xC0
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#define EFI_FV_FILETYPE_OEM_MAX 0xDF
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#define EFI_FV_FILETYPE_DEBUG_MIN 0xE0
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#define EFI_FV_FILETYPE_DEBUG_MAX 0xEF
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#define EFI_FV_FILETYPE_PAD 0xF0
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#define EFI_FV_FILETYPE_FFS_MIN 0xF0
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#define EFI_FV_FILETYPE_FFS_MAX 0xFF
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// File attributes
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// Revision 1
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#define FFS_ATTRIB_TAIL_PRESENT 0x01
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#define FFS_ATTRIB_RECOVERY 0x02
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//#define FFS_ATTRIB_HEADER_EXTENSION 0x04 //Must be set to zero in Revision 1
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#define FFS_ATTRIB_DATA_ALIGNMENT 0x38
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#define FFS_ATTRIB_CHECKSUM 0x40
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// Revision 2
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#define FFS_ATTRIB_LARGE_FILE 0x01
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#define FFS_ATTRIB_FIXED 0x04
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// FFS alignment table
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extern const UINT8 ffsAlignmentTable[];
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// File states
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#define EFI_FILE_HEADER_CONSTRUCTION 0x01
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#define EFI_FILE_HEADER_VALID 0x02
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#define EFI_FILE_DATA_VALID 0x04
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#define EFI_FILE_MARKED_FOR_UPDATE 0x08
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#define EFI_FILE_DELETED 0x10
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#define EFI_FILE_HEADER_INVALID 0x20
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// Volume top file
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const QByteArray EFI_FFS_VOLUME_TOP_FILE_GUID
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("\x2E\x06\xA0\x1B\x79\xC7\x82\x45\x85\x66\x33\x6A\xE8\xF7\x8F\x09", 16);
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// FFS size convertion routines
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extern VOID uint32ToUint24(UINT32 size, UINT8* ffsSize);
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extern UINT32 uint24ToUint32(UINT8* ffsSize);
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// FFS file 8bit checksum calculation routine
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extern UINT8 calculateChecksum8(UINT8* buffer, UINT32 bufferSize);
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//*****************************************************************************
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// EFI FFS File Section
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//*****************************************************************************
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// Common section header
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typedef struct {
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UINT8 Size[3];
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UINT8 Type;
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} EFI_COMMON_SECTION_HEADER;
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// Large file common section header
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//typedef struct {
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// UINT8 Size[3]; //Must be 0xFFFFFF for this header to be used
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// UINT8 Type;
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// UINT32 ExtendedSize;
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//} EFI_COMMON_SECTION_HEADER2;
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// File section types
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|
#define EFI_SECTION_ALL 0x00 // Imposible attribute for file in the FS
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// Encapsulation section types
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|
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#define EFI_SECTION_COMPRESSION 0x01
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|
|
#define EFI_SECTION_GUID_DEFINED 0x02
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|
|
#define EFI_SECTION_DISPOSABLE 0x03
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|
|
// Leaf section types
|
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|
|
#define EFI_SECTION_PE32 0x10
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|
|
#define EFI_SECTION_PIC 0x11
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|
|
#define EFI_SECTION_TE 0x12
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|
|
#define EFI_SECTION_DXE_DEPEX 0x13
|
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|
|
#define EFI_SECTION_VERSION 0x14
|
|
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|
|
#define EFI_SECTION_USER_INTERFACE 0x15
|
|
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|
|
#define EFI_SECTION_COMPATIBILITY16 0x16
|
|
|
|
|
#define EFI_SECTION_FIRMWARE_VOLUME_IMAGE 0x17
|
|
|
|
|
#define EFI_SECTION_FREEFORM_SUBTYPE_GUID 0x18
|
|
|
|
|
#define EFI_SECTION_RAW 0x19
|
|
|
|
|
#define EFI_SECTION_PEI_DEPEX 0x1B
|
|
|
|
|
#define EFI_SECTION_SMM_DEPEX 0x1C
|
|
|
|
|
|
|
|
|
|
// Compression section
|
|
|
|
|
typedef struct {
|
|
|
|
|
UINT8 Size[3];
|
|
|
|
|
UINT8 Type;
|
|
|
|
|
UINT32 UncompressedLength;
|
|
|
|
|
UINT8 CompressionType;
|
|
|
|
|
} EFI_COMPRESSION_SECTION;
|
|
|
|
|
|
|
|
|
|
// Compression types
|
|
|
|
|
#define EFI_NOT_COMPRESSED 0x00
|
|
|
|
|
#define EFI_STANDARD_COMPRESSION 0x01 //Tiano for Revision 2, EFI for Revision 1
|
|
|
|
|
#define EFI_CUSTOMIZED_COMPRESSION 0x02 //LZMA for Revision 2 Tiano for Revision 1
|
|
|
|
|
|
|
|
|
|
//GUID defined section
|
|
|
|
|
typedef struct {
|
|
|
|
|
UINT8 Size[3];
|
|
|
|
|
UINT8 Type;
|
|
|
|
|
EFI_GUID SectionDefinitionGuid;
|
|
|
|
|
UINT16 DataOffset;
|
|
|
|
|
UINT16 Attributes;
|
|
|
|
|
} EFI_GUID_DEFINED_SECTION;
|
|
|
|
|
|
|
|
|
|
// Attributes for GUID defined section
|
|
|
|
|
#define EFI_GUIDED_SECTION_PROCESSING_REQUIRED 0x01
|
|
|
|
|
#define EFI_GUIDED_SECTION_AUTH_STATUS_VALID 0x02
|
|
|
|
|
|
|
|
|
|
// Version section
|
|
|
|
|
typedef struct {
|
|
|
|
|
UINT8 Size[3];
|
|
|
|
|
UINT8 Type;
|
|
|
|
|
UINT16 BuildNumber;
|
|
|
|
|
//CHAR16 VersionString[1];
|
|
|
|
|
} EFI_VERSION_SECTION;
|
|
|
|
|
|
|
|
|
|
// Freeform subtype GUID section
|
|
|
|
|
typedef struct {
|
|
|
|
|
UINT8 Size[3];
|
|
|
|
|
UINT8 Type;
|
|
|
|
|
EFI_GUID SubTypeGuid;
|
|
|
|
|
} EFI_FREEFORM_SUBTYPE_GUID_SECTION;
|
|
|
|
|
|
|
|
|
|
// User interface section
|
|
|
|
|
typedef struct {
|
|
|
|
|
UINT8 Size[3];
|
|
|
|
|
UINT8 Type;
|
|
|
|
|
//CHAR16 FileNameString[1];
|
|
|
|
|
} EFI_USER_INTERFACE_SECTION;
|
|
|
|
|
|
|
|
|
|
// Other sections
|
|
|
|
|
typedef EFI_COMMON_SECTION_HEADER EFI_DISPOSABLE_SECTION;
|
|
|
|
|
typedef EFI_COMMON_SECTION_HEADER EFI_RAW_SECTION;
|
|
|
|
|
typedef EFI_COMMON_SECTION_HEADER EFI_DXE_DEPEX_SECTION;
|
|
|
|
|
typedef EFI_COMMON_SECTION_HEADER EFI_PEI_DEPEX_SECTION;
|
|
|
|
|
typedef EFI_COMMON_SECTION_HEADER EFI_SMM_DEPEX_SECTION;
|
|
|
|
|
typedef EFI_COMMON_SECTION_HEADER EFI_PE32_SECTION;
|
|
|
|
|
typedef EFI_COMMON_SECTION_HEADER EFI_PIC_SECTION;
|
|
|
|
|
typedef EFI_COMMON_SECTION_HEADER EFI_TE_SECTION;
|
|
|
|
|
typedef EFI_COMMON_SECTION_HEADER EFI_COMPATIBILITY16_SECTION;
|
|
|
|
|
typedef EFI_COMMON_SECTION_HEADER EFI_FIRMWARE_VOLUME_IMAGE_SECTION;
|
|
|
|
|
|
2013-10-09 16:30:58 +08:00
|
|
|
//Section routines
|
|
|
|
|
extern UINT32 sizeOfSectionHeaderOfType(const UINT8 type);
|
|
|
|
|
|
2013-10-08 15:07:03 +08:00
|
|
|
// Restore previous packing rules
|
|
|
|
|
#pragma pack(pop)
|
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
#endif
|
