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510 lines
17 KiB
C
510 lines
17 KiB
C
/** @file
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The firmware file related definitions in PI.
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Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@par Revision Reference:
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PI Version 1.6.
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**/
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#ifndef __PI_FIRMWARE_FILE_H__
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#define __PI_FIRMWARE_FILE_H__
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#pragma pack(1)
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///
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/// Used to verify the integrity of the file.
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///
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typedef union {
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struct {
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///
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/// The IntegrityCheck.Checksum.Header field is an 8-bit checksum of the file
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/// header. The State and IntegrityCheck.Checksum.File fields are assumed
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/// to be zero and the checksum is calculated such that the entire header sums to zero.
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///
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UINT8 Header;
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///
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/// If the FFS_ATTRIB_CHECKSUM (see definition below) bit of the Attributes
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/// field is set to one, the IntegrityCheck.Checksum.File field is an 8-bit
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/// checksum of the file data.
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/// If the FFS_ATTRIB_CHECKSUM bit of the Attributes field is cleared to zero,
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/// the IntegrityCheck.Checksum.File field must be initialized with a value of
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/// 0xAA. The IntegrityCheck.Checksum.File field is valid any time the
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/// EFI_FILE_DATA_VALID bit is set in the State field.
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///
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UINT8 File;
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} Checksum;
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///
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/// This is the full 16 bits of the IntegrityCheck field.
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///
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UINT16 Checksum16;
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} EFI_FFS_INTEGRITY_CHECK;
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///
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/// FFS_FIXED_CHECKSUM is the checksum value used when the
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/// FFS_ATTRIB_CHECKSUM attribute bit is clear.
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///
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#define FFS_FIXED_CHECKSUM 0xAA
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typedef UINT8 EFI_FV_FILETYPE;
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typedef UINT8 EFI_FFS_FILE_ATTRIBUTES;
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typedef UINT8 EFI_FFS_FILE_STATE;
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///
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/// File Types Definitions
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///
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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_MM 0x0A
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#define EFI_FV_FILETYPE_SMM EFI_FV_FILETYPE_MM
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#define EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE 0x0B
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#define EFI_FV_FILETYPE_COMBINED_MM_DXE 0x0C
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#define EFI_FV_FILETYPE_COMBINED_SMM_DXE EFI_FV_FILETYPE_COMBINED_MM_DXE
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#define EFI_FV_FILETYPE_MM_CORE 0x0D
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#define EFI_FV_FILETYPE_SMM_CORE EFI_FV_FILETYPE_MM_CORE
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#define EFI_FV_FILETYPE_MM_STANDALONE 0x0E
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#define EFI_FV_FILETYPE_MM_CORE_STANDALONE 0x0F
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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_FFS_MIN 0xf0
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#define EFI_FV_FILETYPE_FFS_MAX 0xff
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#define EFI_FV_FILETYPE_FFS_PAD 0xf0
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///
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/// FFS File Attributes.
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///
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#define FFS_ATTRIB_LARGE_FILE 0x01
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#define FFS_ATTRIB_DATA_ALIGNMENT_2 0x02
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#define FFS_ATTRIB_FIXED 0x04
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#define FFS_ATTRIB_DATA_ALIGNMENT 0x38
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#define FFS_ATTRIB_CHECKSUM 0x40
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///
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/// FFS File State Bits.
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///
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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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///
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/// Each file begins with the header that describe the
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/// contents and state of the files.
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///
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typedef struct {
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///
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/// This GUID is the file name. It is used to uniquely identify the file.
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///
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EFI_GUID Name;
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///
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/// Used to verify the integrity of the file.
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///
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EFI_FFS_INTEGRITY_CHECK IntegrityCheck;
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///
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/// Identifies the type of file.
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///
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EFI_FV_FILETYPE Type;
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///
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/// Declares various file attribute bits.
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///
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EFI_FFS_FILE_ATTRIBUTES Attributes;
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///
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/// The length of the file in bytes, including the FFS header.
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///
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UINT8 Size[3];
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///
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/// Used to track the state of the file throughout the life of the file from creation to deletion.
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///
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EFI_FFS_FILE_STATE State;
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} EFI_FFS_FILE_HEADER;
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typedef struct {
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///
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/// This GUID is the file name. It is used to uniquely identify the file. There may be only
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/// one instance of a file with the file name GUID of Name in any given firmware
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/// volume, except if the file type is EFI_FV_FILETYPE_FFS_PAD.
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///
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EFI_GUID Name;
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///
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/// Used to verify the integrity of the file.
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///
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EFI_FFS_INTEGRITY_CHECK IntegrityCheck;
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///
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/// Identifies the type of file.
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///
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EFI_FV_FILETYPE Type;
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///
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/// Declares various file attribute bits.
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///
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EFI_FFS_FILE_ATTRIBUTES Attributes;
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///
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/// The length of the file in bytes, including the FFS header.
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/// The length of the file data is either (Size - sizeof(EFI_FFS_FILE_HEADER)). This calculation means a
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/// zero-length file has a Size of 24 bytes, which is sizeof(EFI_FFS_FILE_HEADER).
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/// Size is not required to be a multiple of 8 bytes. Given a file F, the next file header is
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/// located at the next 8-byte aligned firmware volume offset following the last byte of the file F.
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///
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UINT8 Size[3];
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///
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/// Used to track the state of the file throughout the life of the file from creation to deletion.
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///
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EFI_FFS_FILE_STATE State;
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///
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/// If FFS_ATTRIB_LARGE_FILE is set in Attributes, then ExtendedSize exists and Size must be set to zero.
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/// If FFS_ATTRIB_LARGE_FILE is not set then EFI_FFS_FILE_HEADER is used.
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///
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UINT64 ExtendedSize;
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} EFI_FFS_FILE_HEADER2;
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#define IS_FFS_FILE2(FfsFileHeaderPtr) \
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(((((EFI_FFS_FILE_HEADER *) (UINTN) FfsFileHeaderPtr)->Attributes) & FFS_ATTRIB_LARGE_FILE) == FFS_ATTRIB_LARGE_FILE)
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///
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/// The argument passed as the FfsFileHeaderPtr parameter to the
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/// FFS_FILE_SIZE() function-like macro below must not have side effects:
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/// FfsFileHeaderPtr is evaluated multiple times.
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///
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#define FFS_FILE_SIZE(FfsFileHeaderPtr) ((UINT32) ( \
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(((EFI_FFS_FILE_HEADER *) (UINTN) (FfsFileHeaderPtr))->Size[0] ) | \
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(((EFI_FFS_FILE_HEADER *) (UINTN) (FfsFileHeaderPtr))->Size[1] << 8) | \
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(((EFI_FFS_FILE_HEADER *) (UINTN) (FfsFileHeaderPtr))->Size[2] << 16)))
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#define FFS_FILE2_SIZE(FfsFileHeaderPtr) \
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((UINT32) (((EFI_FFS_FILE_HEADER2 *) (UINTN) FfsFileHeaderPtr)->ExtendedSize))
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typedef UINT8 EFI_SECTION_TYPE;
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///
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/// Pseudo type. It is used as a wild card when retrieving sections.
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/// The section type EFI_SECTION_ALL matches all section types.
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///
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#define EFI_SECTION_ALL 0x00
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///
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/// Encapsulation section Type values.
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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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///
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/// Leaf section Type values.
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///
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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
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#define EFI_SECTION_FIRMWARE_VOLUME_IMAGE 0x17
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#define EFI_SECTION_FREEFORM_SUBTYPE_GUID 0x18
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#define EFI_SECTION_RAW 0x19
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#define EFI_SECTION_PEI_DEPEX 0x1B
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#define EFI_SECTION_MM_DEPEX 0x1C
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#define EFI_SECTION_SMM_DEPEX EFI_SECTION_MM_DEPEX
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///
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/// Common section header.
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///
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typedef struct {
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///
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/// A 24-bit unsigned integer that contains the total size of the section in bytes,
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/// including the EFI_COMMON_SECTION_HEADER.
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///
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UINT8 Size[3];
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EFI_SECTION_TYPE Type;
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///
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/// Declares the section type.
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///
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} EFI_COMMON_SECTION_HEADER;
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typedef struct {
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///
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/// A 24-bit unsigned integer that contains the total size of the section in bytes,
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/// including the EFI_COMMON_SECTION_HEADER.
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///
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UINT8 Size[3];
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EFI_SECTION_TYPE Type;
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///
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/// If Size is 0xFFFFFF, then ExtendedSize contains the size of the section. If
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/// Size is not equal to 0xFFFFFF, then this field does not exist.
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///
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UINT32 ExtendedSize;
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} EFI_COMMON_SECTION_HEADER2;
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///
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/// Leaf section type that contains an
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/// IA-32 16-bit executable image.
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///
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typedef EFI_COMMON_SECTION_HEADER EFI_COMPATIBILITY16_SECTION;
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typedef EFI_COMMON_SECTION_HEADER2 EFI_COMPATIBILITY16_SECTION2;
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///
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/// CompressionType of EFI_COMPRESSION_SECTION.
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///
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#define EFI_NOT_COMPRESSED 0x00
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#define EFI_STANDARD_COMPRESSION 0x01
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///
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/// An encapsulation section type in which the
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/// section data is compressed.
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///
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typedef struct {
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///
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/// Usual common section header. CommonHeader.Type = EFI_SECTION_COMPRESSION.
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///
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EFI_COMMON_SECTION_HEADER CommonHeader;
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///
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/// The UINT32 that indicates the size of the section data after decompression.
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///
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UINT32 UncompressedLength;
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///
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/// Indicates which compression algorithm is used.
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///
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UINT8 CompressionType;
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} EFI_COMPRESSION_SECTION;
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typedef struct {
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///
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/// Usual common section header. CommonHeader.Type = EFI_SECTION_COMPRESSION.
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///
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EFI_COMMON_SECTION_HEADER2 CommonHeader;
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///
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/// UINT32 that indicates the size of the section data after decompression.
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///
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UINT32 UncompressedLength;
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///
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/// Indicates which compression algorithm is used.
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///
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UINT8 CompressionType;
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} EFI_COMPRESSION_SECTION2;
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///
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/// An encapsulation section type in which the section data is disposable.
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/// A disposable section is an encapsulation section in which the section data may be disposed of during
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/// the process of creating or updating a firmware image without significant impact on the usefulness of
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/// the file. The Type field in the section header is set to EFI_SECTION_DISPOSABLE. This
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/// allows optional or descriptive data to be included with the firmware file which can be removed in
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/// order to conserve space. The contents of this section are implementation specific, but might contain
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/// debug data or detailed integration instructions.
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///
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typedef EFI_COMMON_SECTION_HEADER EFI_DISPOSABLE_SECTION;
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typedef EFI_COMMON_SECTION_HEADER2 EFI_DISPOSABLE_SECTION2;
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///
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/// The leaf section which could be used to determine the dispatch order of DXEs.
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///
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typedef EFI_COMMON_SECTION_HEADER EFI_DXE_DEPEX_SECTION;
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typedef EFI_COMMON_SECTION_HEADER2 EFI_DXE_DEPEX_SECTION2;
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///
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/// The leaf section which contains a PI FV.
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///
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typedef EFI_COMMON_SECTION_HEADER EFI_FIRMWARE_VOLUME_IMAGE_SECTION;
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typedef EFI_COMMON_SECTION_HEADER2 EFI_FIRMWARE_VOLUME_IMAGE_SECTION2;
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///
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/// The leaf section which contains a single GUID.
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///
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typedef struct {
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///
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/// Common section header. CommonHeader.Type = EFI_SECTION_FREEFORM_SUBTYPE_GUID.
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///
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EFI_COMMON_SECTION_HEADER CommonHeader;
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///
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/// This GUID is defined by the creator of the file. It is a vendor-defined file type.
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///
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EFI_GUID SubTypeGuid;
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} EFI_FREEFORM_SUBTYPE_GUID_SECTION;
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typedef struct {
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///
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/// The common section header. CommonHeader.Type = EFI_SECTION_FREEFORM_SUBTYPE_GUID.
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///
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EFI_COMMON_SECTION_HEADER2 CommonHeader;
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///
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/// This GUID is defined by the creator of the file. It is a vendor-defined file type.
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///
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EFI_GUID SubTypeGuid;
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} EFI_FREEFORM_SUBTYPE_GUID_SECTION2;
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///
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/// Attributes of EFI_GUID_DEFINED_SECTION.
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///
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#define EFI_GUIDED_SECTION_PROCESSING_REQUIRED 0x01
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#define EFI_GUIDED_SECTION_AUTH_STATUS_VALID 0x02
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///
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/// The leaf section which is encapsulation defined by specific GUID.
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///
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typedef struct {
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///
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/// The common section header. CommonHeader.Type = EFI_SECTION_GUID_DEFINED.
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///
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EFI_COMMON_SECTION_HEADER CommonHeader;
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///
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/// The GUID that defines the format of the data that follows. It is a vendor-defined section type.
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///
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EFI_GUID SectionDefinitionGuid;
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///
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/// Contains the offset in bytes from the beginning of the common header to the first byte of the data.
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///
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UINT16 DataOffset;
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///
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/// The bit field that declares some specific characteristics of the section contents.
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///
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UINT16 Attributes;
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} EFI_GUID_DEFINED_SECTION;
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typedef struct {
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///
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/// The common section header. CommonHeader.Type = EFI_SECTION_GUID_DEFINED.
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///
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EFI_COMMON_SECTION_HEADER2 CommonHeader;
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///
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/// The GUID that defines the format of the data that follows. It is a vendor-defined section type.
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///
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EFI_GUID SectionDefinitionGuid;
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///
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/// Contains the offset in bytes from the beginning of the common header to the first byte of the data.
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///
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UINT16 DataOffset;
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///
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/// The bit field that declares some specific characteristics of the section contents.
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///
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UINT16 Attributes;
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} EFI_GUID_DEFINED_SECTION2;
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///
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/// The leaf section which contains PE32+ image.
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///
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typedef EFI_COMMON_SECTION_HEADER EFI_PE32_SECTION;
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typedef EFI_COMMON_SECTION_HEADER2 EFI_PE32_SECTION2;
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///
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/// The leaf section used to determine the dispatch order of PEIMs.
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///
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typedef EFI_COMMON_SECTION_HEADER EFI_PEI_DEPEX_SECTION;
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typedef EFI_COMMON_SECTION_HEADER2 EFI_PEI_DEPEX_SECTION2;
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///
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/// A leaf section type that contains a position-independent-code (PIC) image.
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/// A PIC image section is a leaf section that contains a position-independent-code (PIC) image.
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/// In addition to normal PE32+ images that contain relocation information, PEIM executables may be
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/// PIC and are referred to as PIC images. A PIC image is the same as a PE32+ image except that all
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/// relocation information has been stripped from the image and the image can be moved and will
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/// execute correctly without performing any relocation or other fix-ups. EFI_PIC_SECTION2 must
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/// be used if the section is 16MB or larger.
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///
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typedef EFI_COMMON_SECTION_HEADER EFI_PIC_SECTION;
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typedef EFI_COMMON_SECTION_HEADER2 EFI_PIC_SECTION2;
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///
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/// The leaf section which constains the position-independent-code image.
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///
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typedef EFI_COMMON_SECTION_HEADER EFI_TE_SECTION;
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typedef EFI_COMMON_SECTION_HEADER2 EFI_TE_SECTION2;
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///
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/// The leaf section which contains an array of zero or more bytes.
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///
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typedef EFI_COMMON_SECTION_HEADER EFI_RAW_SECTION;
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typedef EFI_COMMON_SECTION_HEADER2 EFI_RAW_SECTION2;
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///
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/// The SMM dependency expression section is a leaf section that contains a dependency expression that
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/// is used to determine the dispatch order for SMM drivers. Before the SMRAM invocation of the
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/// SMM driver's entry point, this dependency expression must evaluate to TRUE. See the Platform
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/// Initialization Specification, Volume 2, for details regarding the format of the dependency expression.
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/// The dependency expression may refer to protocols installed in either the UEFI or the SMM protocol
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/// database. EFI_SMM_DEPEX_SECTION2 must be used if the section is 16MB or larger.
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///
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typedef EFI_COMMON_SECTION_HEADER EFI_SMM_DEPEX_SECTION;
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typedef EFI_COMMON_SECTION_HEADER2 EFI_SMM_DEPEX_SECTION2;
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///
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/// The leaf section which contains a unicode string that
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/// is human readable file name.
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///
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typedef struct {
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EFI_COMMON_SECTION_HEADER CommonHeader;
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///
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/// Array of unicode string.
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///
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CHAR16 FileNameString[1];
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} EFI_USER_INTERFACE_SECTION;
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typedef struct {
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EFI_COMMON_SECTION_HEADER2 CommonHeader;
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CHAR16 FileNameString[1];
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} EFI_USER_INTERFACE_SECTION2;
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///
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/// The leaf section which contains a numeric build number and
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/// an optional unicode string that represents the file revision.
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///
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typedef struct {
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EFI_COMMON_SECTION_HEADER CommonHeader;
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UINT16 BuildNumber;
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///
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/// Array of unicode string.
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///
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CHAR16 VersionString[1];
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} EFI_VERSION_SECTION;
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typedef struct {
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EFI_COMMON_SECTION_HEADER2 CommonHeader;
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///
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/// A UINT16 that represents a particular build. Subsequent builds have monotonically
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/// increasing build numbers relative to earlier builds.
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///
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UINT16 BuildNumber;
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CHAR16 VersionString[1];
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} EFI_VERSION_SECTION2;
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///
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/// The argument passed as the SectionHeaderPtr parameter to the SECTION_SIZE()
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/// and IS_SECTION2() function-like macros below must not have side effects:
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/// SectionHeaderPtr is evaluated multiple times.
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///
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#define SECTION_SIZE(SectionHeaderPtr) ((UINT32) ( \
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(((EFI_COMMON_SECTION_HEADER *) (UINTN) (SectionHeaderPtr))->Size[0] ) | \
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(((EFI_COMMON_SECTION_HEADER *) (UINTN) (SectionHeaderPtr))->Size[1] << 8) | \
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(((EFI_COMMON_SECTION_HEADER *) (UINTN) (SectionHeaderPtr))->Size[2] << 16)))
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#define IS_SECTION2(SectionHeaderPtr) \
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(SECTION_SIZE (SectionHeaderPtr) == 0x00ffffff)
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#define SECTION2_SIZE(SectionHeaderPtr) \
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(((EFI_COMMON_SECTION_HEADER2 *) (UINTN) SectionHeaderPtr)->ExtendedSize)
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#pragma pack()
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#endif
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