2 The firmware file related definitions in PI.
4 Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
5 This program and the accompanying materials are licensed and made available under
6 the terms and conditions of the BSD License that accompanies this distribution.
7 The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php.
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13 @par Revision Reference:
19 #ifndef __PI_FIRMWARE_FILE_H__
20 #define __PI_FIRMWARE_FILE_H__
24 /// Used to verify the integrity of the file.
29 /// The IntegrityCheck.Checksum.Header field is an 8-bit checksum of the file
30 /// header. The State and IntegrityCheck.Checksum.File fields are assumed
31 /// to be zero and the checksum is calculated such that the entire header sums to zero.
35 /// If the FFS_ATTRIB_CHECKSUM (see definition below) bit of the Attributes
36 /// field is set to one, the IntegrityCheck.Checksum.File field is an 8-bit
37 /// checksum of the file data.
38 /// If the FFS_ATTRIB_CHECKSUM bit of the Attributes field is cleared to zero,
39 /// the IntegrityCheck.Checksum.File field must be initialized with a value of
40 /// 0xAA. The IntegrityCheck.Checksum.File field is valid any time the
41 /// EFI_FILE_DATA_VALID bit is set in the State field.
46 /// This is the full 16 bits of the IntegrityCheck field.
49 } EFI_FFS_INTEGRITY_CHECK
;
52 /// FFS_FIXED_CHECKSUM is the checksum value used when the
53 /// FFS_ATTRIB_CHECKSUM attribute bit is clear.
55 #define FFS_FIXED_CHECKSUM 0xAA
57 typedef UINT8 EFI_FV_FILETYPE
;
58 typedef UINT8 EFI_FFS_FILE_ATTRIBUTES
;
59 typedef UINT8 EFI_FFS_FILE_STATE
;
62 /// File Types Definitions
64 #define EFI_FV_FILETYPE_ALL 0x00
65 #define EFI_FV_FILETYPE_RAW 0x01
66 #define EFI_FV_FILETYPE_FREEFORM 0x02
67 #define EFI_FV_FILETYPE_SECURITY_CORE 0x03
68 #define EFI_FV_FILETYPE_PEI_CORE 0x04
69 #define EFI_FV_FILETYPE_DXE_CORE 0x05
70 #define EFI_FV_FILETYPE_PEIM 0x06
71 #define EFI_FV_FILETYPE_DRIVER 0x07
72 #define EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER 0x08
73 #define EFI_FV_FILETYPE_APPLICATION 0x09
74 #define EFI_FV_FILETYPE_SMM 0x0A
75 #define EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE 0x0B
76 #define EFI_FV_FILETYPE_COMBINED_SMM_DXE 0x0C
77 #define EFI_FV_FILETYPE_SMM_CORE 0x0D
78 #define EFI_FV_FILETYPE_OEM_MIN 0xc0
79 #define EFI_FV_FILETYPE_OEM_MAX 0xdf
80 #define EFI_FV_FILETYPE_DEBUG_MIN 0xe0
81 #define EFI_FV_FILETYPE_DEBUG_MAX 0xef
82 #define EFI_FV_FILETYPE_FFS_MIN 0xf0
83 #define EFI_FV_FILETYPE_FFS_MAX 0xff
84 #define EFI_FV_FILETYPE_FFS_PAD 0xf0
86 /// FFS File Attributes.
88 #define FFS_ATTRIB_LARGE_FILE 0x01
89 #define FFS_ATTRIB_FIXED 0x04
90 #define FFS_ATTRIB_DATA_ALIGNMENT 0x38
91 #define FFS_ATTRIB_CHECKSUM 0x40
94 /// FFS File State Bits.
96 #define EFI_FILE_HEADER_CONSTRUCTION 0x01
97 #define EFI_FILE_HEADER_VALID 0x02
98 #define EFI_FILE_DATA_VALID 0x04
99 #define EFI_FILE_MARKED_FOR_UPDATE 0x08
100 #define EFI_FILE_DELETED 0x10
101 #define EFI_FILE_HEADER_INVALID 0x20
105 /// Each file begins with the header that describe the
106 /// contents and state of the files.
110 /// This GUID is the file name. It is used to uniquely identify the file.
114 /// Used to verify the integrity of the file.
116 EFI_FFS_INTEGRITY_CHECK IntegrityCheck
;
118 /// Identifies the type of file.
120 EFI_FV_FILETYPE Type
;
122 /// Declares various file attribute bits.
124 EFI_FFS_FILE_ATTRIBUTES Attributes
;
126 /// The length of the file in bytes, including the FFS header.
130 /// Used to track the state of the file throughout the life of the file from creation to deletion.
132 EFI_FFS_FILE_STATE State
;
133 } EFI_FFS_FILE_HEADER
;
137 /// This GUID is the file name. It is used to uniquely identify the file. There may be only
138 /// one instance of a file with the file name GUID of Name in any given firmware
139 /// volume, except if the file type is EFI_FV_FILETYPE_FFS_PAD.
144 /// Used to verify the integrity of the file.
146 EFI_FFS_INTEGRITY_CHECK IntegrityCheck
;
149 /// Identifies the type of file.
151 EFI_FV_FILETYPE Type
;
154 /// Declares various file attribute bits.
156 EFI_FFS_FILE_ATTRIBUTES Attributes
;
159 /// The length of the file in bytes, including the FFS header.
160 /// The length of the file data is either (Size - sizeof(EFI_FFS_FILE_HEADER)). This calculation means a
161 /// zero-length file has a Size of 24 bytes, which is sizeof(EFI_FFS_FILE_HEADER).
162 /// Size is not required to be a multiple of 8 bytes. Given a file F, the next file header is
163 /// located at the next 8-byte aligned firmware volume offset following the last byte of the file F.
168 /// Used to track the state of the file throughout the life of the file from creation to deletion.
170 EFI_FFS_FILE_STATE State
;
173 /// If FFS_ATTRIB_LARGE_FILE is set in Attributes, then ExtendedSize exists and Size must be set to zero.
174 /// If FFS_ATTRIB_LARGE_FILE is not set then EFI_FFS_FILE_HEADER is used.
177 } EFI_FFS_FILE_HEADER2
;
179 #define IS_FFS_FILE2(FfsFileHeaderPtr) \
180 (((((EFI_FFS_FILE_HEADER *) (UINTN) FfsFileHeaderPtr)->Attributes) & FFS_ATTRIB_LARGE_FILE) == FFS_ATTRIB_LARGE_FILE)
182 #define FFS_FILE_SIZE(FfsFileHeaderPtr) \
183 ((UINT32) (*((UINT32 *) ((EFI_FFS_FILE_HEADER *) (UINTN) FfsFileHeaderPtr)->Size) & 0x00ffffff))
185 #define FFS_FILE2_SIZE(FfsFileHeaderPtr) \
186 ((UINT32) (((EFI_FFS_FILE_HEADER2 *) (UINTN) FfsFileHeaderPtr)->ExtendedSize))
188 typedef UINT8 EFI_SECTION_TYPE
;
191 /// Pseudo type. It is used as a wild card when retrieving sections.
192 /// The section type EFI_SECTION_ALL matches all section types.
194 #define EFI_SECTION_ALL 0x00
197 /// Encapsulation section Type values.
199 #define EFI_SECTION_COMPRESSION 0x01
201 #define EFI_SECTION_GUID_DEFINED 0x02
203 #define EFI_SECTION_DISPOSABLE 0x03
206 /// Leaf section Type values.
208 #define EFI_SECTION_PE32 0x10
209 #define EFI_SECTION_PIC 0x11
210 #define EFI_SECTION_TE 0x12
211 #define EFI_SECTION_DXE_DEPEX 0x13
212 #define EFI_SECTION_VERSION 0x14
213 #define EFI_SECTION_USER_INTERFACE 0x15
214 #define EFI_SECTION_COMPATIBILITY16 0x16
215 #define EFI_SECTION_FIRMWARE_VOLUME_IMAGE 0x17
216 #define EFI_SECTION_FREEFORM_SUBTYPE_GUID 0x18
217 #define EFI_SECTION_RAW 0x19
218 #define EFI_SECTION_PEI_DEPEX 0x1B
219 #define EFI_SECTION_SMM_DEPEX 0x1C
222 /// Common section header.
226 /// A 24-bit unsigned integer that contains the total size of the section in bytes,
227 /// including the EFI_COMMON_SECTION_HEADER.
230 EFI_SECTION_TYPE Type
;
232 /// Declares the section type.
234 } EFI_COMMON_SECTION_HEADER
;
238 /// A 24-bit unsigned integer that contains the total size of the section in bytes,
239 /// including the EFI_COMMON_SECTION_HEADER.
243 EFI_SECTION_TYPE Type
;
246 /// If Size is 0xFFFFFF, then ExtendedSize contains the size of the section. If
247 /// Size is not equal to 0xFFFFFF, then this field does not exist.
250 } EFI_COMMON_SECTION_HEADER2
;
253 /// Leaf section type that contains an
254 /// IA-32 16-bit executable image.
256 typedef EFI_COMMON_SECTION_HEADER EFI_COMPATIBILITY16_SECTION
;
257 typedef EFI_COMMON_SECTION_HEADER2 EFI_COMPATIBILITY16_SECTION2
;
260 /// CompressionType of EFI_COMPRESSION_SECTION.
262 #define EFI_NOT_COMPRESSED 0x00
263 #define EFI_STANDARD_COMPRESSION 0x01
265 /// An encapsulation section type in which the
266 /// section data is compressed.
270 /// Usual common section header. CommonHeader.Type = EFI_SECTION_COMPRESSION.
272 EFI_COMMON_SECTION_HEADER CommonHeader
;
274 /// The UINT32 that indicates the size of the section data after decompression.
276 UINT32 UncompressedLength
;
278 /// Indicates which compression algorithm is used.
280 UINT8 CompressionType
;
281 } EFI_COMPRESSION_SECTION
;
285 /// Usual common section header. CommonHeader.Type = EFI_SECTION_COMPRESSION.
287 EFI_COMMON_SECTION_HEADER2 CommonHeader
;
289 /// UINT32 that indicates the size of the section data after decompression.
291 UINT32 UncompressedLength
;
293 /// Indicates which compression algorithm is used.
295 UINT8 CompressionType
;
296 } EFI_COMPRESSION_SECTION2
;
299 /// An encapsulation section type in which the section data is disposable.
300 /// A disposable section is an encapsulation section in which the section data may be disposed of during
301 /// the process of creating or updating a firmware image without significant impact on the usefulness of
302 /// the file. The Type field in the section header is set to EFI_SECTION_DISPOSABLE. This
303 /// allows optional or descriptive data to be included with the firmware file which can be removed in
304 /// order to conserve space. The contents of this section are implementation specific, but might contain
305 /// debug data or detailed integration instructions.
307 typedef EFI_COMMON_SECTION_HEADER EFI_DISPOSABLE_SECTION
;
308 typedef EFI_COMMON_SECTION_HEADER2 EFI_DISPOSABLE_SECTION2
;
311 /// The leaf section which could be used to determine the dispatch order of DXEs.
313 typedef EFI_COMMON_SECTION_HEADER EFI_DXE_DEPEX_SECTION
;
314 typedef EFI_COMMON_SECTION_HEADER2 EFI_DXE_DEPEX_SECTION2
;
317 /// The leaf section which contains a PI FV.
319 typedef EFI_COMMON_SECTION_HEADER EFI_FIRMWARE_VOLUME_IMAGE_SECTION
;
320 typedef EFI_COMMON_SECTION_HEADER2 EFI_FIRMWARE_VOLUME_IMAGE_SECTION2
;
323 /// The leaf section which contains a single GUID.
327 /// Common section header. CommonHeader.Type = EFI_SECTION_FREEFORM_SUBTYPE_GUID.
329 EFI_COMMON_SECTION_HEADER CommonHeader
;
331 /// This GUID is defined by the creator of the file. It is a vendor-defined file type.
333 EFI_GUID SubTypeGuid
;
334 } EFI_FREEFORM_SUBTYPE_GUID_SECTION
;
338 /// The common section header. CommonHeader.Type = EFI_SECTION_FREEFORM_SUBTYPE_GUID.
340 EFI_COMMON_SECTION_HEADER2 CommonHeader
;
342 /// This GUID is defined by the creator of the file. It is a vendor-defined file type.
344 EFI_GUID SubTypeGuid
;
345 } EFI_FREEFORM_SUBTYPE_GUID_SECTION2
;
348 /// Attributes of EFI_GUID_DEFINED_SECTION.
350 #define EFI_GUIDED_SECTION_PROCESSING_REQUIRED 0x01
351 #define EFI_GUIDED_SECTION_AUTH_STATUS_VALID 0x02
353 /// The leaf section which is encapsulation defined by specific GUID.
357 /// The common section header. CommonHeader.Type = EFI_SECTION_GUID_DEFINED.
359 EFI_COMMON_SECTION_HEADER CommonHeader
;
361 /// The GUID that defines the format of the data that follows. It is a vendor-defined section type.
363 EFI_GUID SectionDefinitionGuid
;
365 /// Contains the offset in bytes from the beginning of the common header to the first byte of the data.
369 /// The bit field that declares some specific characteristics of the section contents.
372 } EFI_GUID_DEFINED_SECTION
;
376 /// The common section header. CommonHeader.Type = EFI_SECTION_GUID_DEFINED.
378 EFI_COMMON_SECTION_HEADER2 CommonHeader
;
380 /// The GUID that defines the format of the data that follows. It is a vendor-defined section type.
382 EFI_GUID SectionDefinitionGuid
;
384 /// Contains the offset in bytes from the beginning of the common header to the first byte of the data.
388 /// The bit field that declares some specific characteristics of the section contents.
391 } EFI_GUID_DEFINED_SECTION2
;
394 /// The leaf section which contains PE32+ image.
396 typedef EFI_COMMON_SECTION_HEADER EFI_PE32_SECTION
;
397 typedef EFI_COMMON_SECTION_HEADER2 EFI_PE32_SECTION2
;
400 /// The leaf section used to determine the dispatch order of PEIMs.
402 typedef EFI_COMMON_SECTION_HEADER EFI_PEI_DEPEX_SECTION
;
403 typedef EFI_COMMON_SECTION_HEADER2 EFI_PEI_DEPEX_SECTION2
;
406 /// A leaf section type that contains a position-independent-code (PIC) image.
407 /// A PIC image section is a leaf section that contains a position-independent-code (PIC) image.
408 /// In addition to normal PE32+ images that contain relocation information, PEIM executables may be
409 /// PIC and are referred to as PIC images. A PIC image is the same as a PE32+ image except that all
410 /// relocation information has been stripped from the image and the image can be moved and will
411 /// execute correctly without performing any relocation or other fix-ups. EFI_PIC_SECTION2 must
412 /// be used if the section is 16MB or larger.
414 typedef EFI_COMMON_SECTION_HEADER EFI_PIC_SECTION
;
415 typedef EFI_COMMON_SECTION_HEADER2 EFI_PIC_SECTION2
;
418 /// The leaf section which constains the position-independent-code image.
420 typedef EFI_COMMON_SECTION_HEADER EFI_TE_SECTION
;
421 typedef EFI_COMMON_SECTION_HEADER2 EFI_TE_SECTION2
;
424 /// The leaf section which contains an array of zero or more bytes.
426 typedef EFI_COMMON_SECTION_HEADER EFI_RAW_SECTION
;
427 typedef EFI_COMMON_SECTION_HEADER2 EFI_RAW_SECTION2
;
430 /// The SMM dependency expression section is a leaf section that contains a dependency expression that
431 /// is used to determine the dispatch order for SMM drivers. Before the SMRAM invocation of the
432 /// SMM driver's entry point, this dependency expression must evaluate to TRUE. See the Platform
433 /// Initialization Specification, Volume 2, for details regarding the format of the dependency expression.
434 /// The dependency expression may refer to protocols installed in either the UEFI or the SMM protocol
435 /// database. EFI_SMM_DEPEX_SECTION2 must be used if the section is 16MB or larger.
437 typedef EFI_COMMON_SECTION_HEADER EFI_SMM_DEPEX_SECTION
;
438 typedef EFI_COMMON_SECTION_HEADER2 EFI_SMM_DEPEX_SECTION2
;
441 /// The leaf section which contains a unicode string that
442 /// is human readable file name.
445 EFI_COMMON_SECTION_HEADER CommonHeader
;
448 /// Array of unicode string.
450 CHAR16 FileNameString
[1];
451 } EFI_USER_INTERFACE_SECTION
;
454 EFI_COMMON_SECTION_HEADER2 CommonHeader
;
455 CHAR16 FileNameString
[1];
456 } EFI_USER_INTERFACE_SECTION2
;
459 /// The leaf section which contains a numeric build number and
460 /// an optional unicode string that represents the file revision.
463 EFI_COMMON_SECTION_HEADER CommonHeader
;
467 /// Array of unicode string.
469 CHAR16 VersionString
[1];
470 } EFI_VERSION_SECTION
;
473 EFI_COMMON_SECTION_HEADER2 CommonHeader
;
475 /// A UINT16 that represents a particular build. Subsequent builds have monotonically
476 /// increasing build numbers relative to earlier builds.
479 CHAR16 VersionString
[1];
480 } EFI_VERSION_SECTION2
;
482 #define IS_SECTION2(SectionHeaderPtr) \
483 ((UINT32) (*((UINT32 *) ((EFI_COMMON_SECTION_HEADER *) (UINTN) SectionHeaderPtr)->Size) & 0x00ffffff) == 0x00ffffff)
485 #define SECTION_SIZE(SectionHeaderPtr) \
486 ((UINT32) (*((UINT32 *) ((EFI_COMMON_SECTION_HEADER *) (UINTN) SectionHeaderPtr)->Size) & 0x00ffffff))
488 #define SECTION2_SIZE(SectionHeaderPtr) \
489 (((EFI_COMMON_SECTION_HEADER2 *) (UINTN) SectionHeaderPtr)->ExtendedSize)