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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10403 6f19259b-4bc3-4df7-8a09-765794883524
213 lines
6.7 KiB
C
213 lines
6.7 KiB
C
/** @file
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The firmware volume related definitions in PI.
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Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
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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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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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@par Revision Reference:
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PI Version 1.0
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**/
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#ifndef __PI_FIRMWAREVOLUME_H__
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#define __PI_FIRMWAREVOLUME_H__
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///
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/// EFI_FV_FILE_ATTRIBUTES
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///
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typedef UINT32 EFI_FV_FILE_ATTRIBUTES;
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//
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// Value of EFI_FV_FILE_ATTRIBUTES.
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//
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#define EFI_FV_FILE_ATTRIB_ALIGNMENT 0x0000001F
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#define EFI_FV_FILE_ATTRIB_FIXED 0x00000100
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#define EFI_FV_FILE_ATTRIB_MEMORY_MAPPED 0x00000200
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///
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/// type of EFI FVB attribute
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///
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typedef UINT32 EFI_FVB_ATTRIBUTES_2;
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//
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// Attributes bit definitions
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//
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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_ALIGNMNET_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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typedef struct {
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///
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/// The number of sequential blocks which are of the same size.
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///
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UINT32 NumBlocks;
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///
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/// The size of the blocks.
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///
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UINT32 Length;
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} EFI_FV_BLOCK_MAP_ENTRY;
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///
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/// Describes the features and layout of the firmware volume.
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///
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typedef struct {
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///
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/// The first 16 bytes are reserved to allow for the reset vector of
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/// processors whose reset vector is at address 0.
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///
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UINT8 ZeroVector[16];
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///
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/// Declares the file system with which the firmware volume is formatted.
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///
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EFI_GUID FileSystemGuid;
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///
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/// Length in bytes of the complete firmware volume, including the header.
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///
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UINT64 FvLength;
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///
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/// Set to EFI_FVH_SIGNATURE
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///
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UINT32 Signature;
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///
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/// Declares capabilities and power-on defaults for the firmware volume.
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///
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EFI_FVB_ATTRIBUTES_2 Attributes;
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///
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/// Length in bytes of the complete firmware volume header.
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///
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UINT16 HeaderLength;
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///
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/// A 16-bit checksum of the firmware volume header. A valid header sums to zero.
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///
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UINT16 Checksum;
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///
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/// Offset, relative to the start of the header, of the extended header
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/// (EFI_FIRMWARE_VOLUME_EXT_HEADER) or zero if there is no extended header.
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///
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UINT16 ExtHeaderOffset;
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///
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/// This field must always be set to zero.
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///
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UINT8 Reserved[1];
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///
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/// Set to 2. Future versions of this specification may define new header fields and will
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/// increment the Revision field accordingly.
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///
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UINT8 Revision;
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///
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/// An array of run-length encoded FvBlockMapEntry structures. The array is
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/// terminated with an entry of {0,0}.
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///
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EFI_FV_BLOCK_MAP_ENTRY BlockMap[1];
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} EFI_FIRMWARE_VOLUME_HEADER;
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#define EFI_FVH_SIGNATURE SIGNATURE_32 ('_', 'F', 'V', 'H')
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///
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/// Firmware Volume Header Revision definition
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///
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#define EFI_FVH_REVISION 0x02
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///
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/// Extension header pointed by ExtHeaderOffset of volume header.
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///
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typedef struct {
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///
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/// Firmware volume name.
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///
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EFI_GUID FvName;
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///
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/// Size of the rest of the extension header, including this structure.
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///
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UINT32 ExtHeaderSize;
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} EFI_FIRMWARE_VOLUME_EXT_HEADER;
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///
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/// Entry struture for describing FV extension header
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///
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typedef struct {
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///
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/// Size of this header extension.
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///
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UINT16 ExtEntrySize;
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///
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/// Type of the header.
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///
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UINT16 ExtEntryType;
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} EFI_FIRMWARE_VOLUME_EXT_ENTRY;
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#define EFI_FV_EXT_TYPE_OEM_TYPE 0x01
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///
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/// This extension header provides a mapping between a GUID and an OEM file type.
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///
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typedef struct {
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///
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/// Standard extension entry, with the type EFI_FV_EXT_TYPE_OEM_TYPE.
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///
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EFI_FIRMWARE_VOLUME_EXT_ENTRY Hdr;
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///
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/// A bit mask, one bit for each file type between 0xC0 (bit 0) and 0xDF (bit 31). If a bit
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/// is '1', then the GUID entry exists in Types. If a bit is '0' then no GUID entry exists in Types.
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///
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UINT32 TypeMask;
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///
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/// An array of GUIDs, each GUID representing an OEM file type.
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///
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EFI_GUID Types[1];
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} EFI_FIRMWARE_VOLUME_EXT_ENTRY_OEM_TYPE;
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#endif
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