2 The firmware file related definitions in PI.
4 Copyright (c) 2006 - 2011, 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__
22 FILE_LICENCE ( BSD3 );
26 /// Used to verify the integrity of the file.
31 /// The IntegrityCheck.Checksum.Header field is an 8-bit checksum of the file
32 /// header. The State and IntegrityCheck.Checksum.File fields are assumed
33 /// to be zero and the checksum is calculated such that the entire header sums to zero.
37 /// If the FFS_ATTRIB_CHECKSUM (see definition below) bit of the Attributes
38 /// field is set to one, the IntegrityCheck.Checksum.File field is an 8-bit
39 /// checksum of the file data.
40 /// If the FFS_ATTRIB_CHECKSUM bit of the Attributes field is cleared to zero,
41 /// the IntegrityCheck.Checksum.File field must be initialized with a value of
42 /// 0xAA. The IntegrityCheck.Checksum.File field is valid any time the
43 /// EFI_FILE_DATA_VALID bit is set in the State field.
48 /// This is the full 16 bits of the IntegrityCheck field.
51 } EFI_FFS_INTEGRITY_CHECK;
54 /// FFS_FIXED_CHECKSUM is the checksum value used when the
55 /// FFS_ATTRIB_CHECKSUM attribute bit is clear.
57 #define FFS_FIXED_CHECKSUM 0xAA
59 typedef UINT8 EFI_FV_FILETYPE;
60 typedef UINT8 EFI_FFS_FILE_ATTRIBUTES;
61 typedef UINT8 EFI_FFS_FILE_STATE;
64 /// File Types Definitions
66 #define EFI_FV_FILETYPE_ALL 0x00
67 #define EFI_FV_FILETYPE_RAW 0x01
68 #define EFI_FV_FILETYPE_FREEFORM 0x02
69 #define EFI_FV_FILETYPE_SECURITY_CORE 0x03
70 #define EFI_FV_FILETYPE_PEI_CORE 0x04
71 #define EFI_FV_FILETYPE_DXE_CORE 0x05
72 #define EFI_FV_FILETYPE_PEIM 0x06
73 #define EFI_FV_FILETYPE_DRIVER 0x07
74 #define EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER 0x08
75 #define EFI_FV_FILETYPE_APPLICATION 0x09
76 #define EFI_FV_FILETYPE_SMM 0x0A
77 #define EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE 0x0B
78 #define EFI_FV_FILETYPE_COMBINED_SMM_DXE 0x0C
79 #define EFI_FV_FILETYPE_SMM_CORE 0x0D
80 #define EFI_FV_FILETYPE_OEM_MIN 0xc0
81 #define EFI_FV_FILETYPE_OEM_MAX 0xdf
82 #define EFI_FV_FILETYPE_DEBUG_MIN 0xe0
83 #define EFI_FV_FILETYPE_DEBUG_MAX 0xef
84 #define EFI_FV_FILETYPE_FFS_MIN 0xf0
85 #define EFI_FV_FILETYPE_FFS_MAX 0xff
86 #define EFI_FV_FILETYPE_FFS_PAD 0xf0
88 /// FFS File Attributes.
90 #define FFS_ATTRIB_LARGE_FILE 0x01
91 #define FFS_ATTRIB_FIXED 0x04
92 #define FFS_ATTRIB_DATA_ALIGNMENT 0x38
93 #define FFS_ATTRIB_CHECKSUM 0x40
96 /// FFS File State Bits.
98 #define EFI_FILE_HEADER_CONSTRUCTION 0x01
99 #define EFI_FILE_HEADER_VALID 0x02
100 #define EFI_FILE_DATA_VALID 0x04
101 #define EFI_FILE_MARKED_FOR_UPDATE 0x08
102 #define EFI_FILE_DELETED 0x10
103 #define EFI_FILE_HEADER_INVALID 0x20
107 /// Each file begins with the header that describe the
108 /// contents and state of the files.
112 /// This GUID is the file name. It is used to uniquely identify the file.
116 /// Used to verify the integrity of the file.
118 EFI_FFS_INTEGRITY_CHECK IntegrityCheck;
120 /// Identifies the type of file.
122 EFI_FV_FILETYPE Type;
124 /// Declares various file attribute bits.
126 EFI_FFS_FILE_ATTRIBUTES Attributes;
128 /// The length of the file in bytes, including the FFS header.
132 /// Used to track the state of the file throughout the life of the file from creation to deletion.
134 EFI_FFS_FILE_STATE State;
135 } EFI_FFS_FILE_HEADER;
139 /// This GUID is the file name. It is used to uniquely identify the file. There may be only
140 /// one instance of a file with the file name GUID of Name in any given firmware
141 /// volume, except if the file type is EFI_FV_FILETYPE_FFS_PAD.
146 /// Used to verify the integrity of the file.
148 EFI_FFS_INTEGRITY_CHECK IntegrityCheck;
151 /// Identifies the type of file.
153 EFI_FV_FILETYPE Type;
156 /// Declares various file attribute bits.
158 EFI_FFS_FILE_ATTRIBUTES Attributes;
161 /// The length of the file in bytes, including the FFS header.
162 /// The length of the file data is either (Size - sizeof(EFI_FFS_FILE_HEADER)). This calculation means a
163 /// zero-length file has a Size of 24 bytes, which is sizeof(EFI_FFS_FILE_HEADER).
164 /// Size is not required to be a multiple of 8 bytes. Given a file F, the next file header is
165 /// located at the next 8-byte aligned firmware volume offset following the last byte of the file F.
170 /// Used to track the state of the file throughout the life of the file from creation to deletion.
172 EFI_FFS_FILE_STATE State;
175 /// If FFS_ATTRIB_LARGE_FILE is set in Attributes, then ExtendedSize exists and Size must be set to zero.
176 /// If FFS_ATTRIB_LARGE_FILE is not set then EFI_FFS_FILE_HEADER is used.
179 } EFI_FFS_FILE_HEADER2;
181 #define IS_FFS_FILE2(FfsFileHeaderPtr) \
182 (((((EFI_FFS_FILE_HEADER *) (UINTN) FfsFileHeaderPtr)->Attributes) & FFS_ATTRIB_LARGE_FILE) == FFS_ATTRIB_LARGE_FILE)
184 #define FFS_FILE_SIZE(FfsFileHeaderPtr) \
185 ((UINT32) (*((UINT32 *) ((EFI_FFS_FILE_HEADER *) (UINTN) FfsFileHeaderPtr)->Size) & 0x00ffffff))
187 #define FFS_FILE2_SIZE(FfsFileHeaderPtr) \
188 (((EFI_FFS_FILE_HEADER2 *) (UINTN) FfsFileHeaderPtr)->ExtendedSize)
190 typedef UINT8 EFI_SECTION_TYPE;
193 /// Pseudo type. It is used as a wild card when retrieving sections.
194 /// The section type EFI_SECTION_ALL matches all section types.
196 #define EFI_SECTION_ALL 0x00
199 /// Encapsulation section Type values.
201 #define EFI_SECTION_COMPRESSION 0x01
203 #define EFI_SECTION_GUID_DEFINED 0x02
205 #define EFI_SECTION_DISPOSABLE 0x03
208 /// Leaf section Type values.
210 #define EFI_SECTION_PE32 0x10
211 #define EFI_SECTION_PIC 0x11
212 #define EFI_SECTION_TE 0x12
213 #define EFI_SECTION_DXE_DEPEX 0x13
214 #define EFI_SECTION_VERSION 0x14
215 #define EFI_SECTION_USER_INTERFACE 0x15
216 #define EFI_SECTION_COMPATIBILITY16 0x16
217 #define EFI_SECTION_FIRMWARE_VOLUME_IMAGE 0x17
218 #define EFI_SECTION_FREEFORM_SUBTYPE_GUID 0x18
219 #define EFI_SECTION_RAW 0x19
220 #define EFI_SECTION_PEI_DEPEX 0x1B
221 #define EFI_SECTION_SMM_DEPEX 0x1C
224 /// Common section header.
228 /// A 24-bit unsigned integer that contains the total size of the section in bytes,
229 /// including the EFI_COMMON_SECTION_HEADER.
232 EFI_SECTION_TYPE Type;
234 /// Declares the section type.
236 } EFI_COMMON_SECTION_HEADER;
240 /// A 24-bit unsigned integer that contains the total size of the section in bytes,
241 /// including the EFI_COMMON_SECTION_HEADER.
245 EFI_SECTION_TYPE Type;
248 /// If Size is 0xFFFFFF, then ExtendedSize contains the size of the section. If
249 /// Size is not equal to 0xFFFFFF, then this field does not exist.
252 } EFI_COMMON_SECTION_HEADER2;
255 /// Leaf section type that contains an
256 /// IA-32 16-bit executable image.
258 typedef EFI_COMMON_SECTION_HEADER EFI_COMPATIBILITY16_SECTION;
259 typedef EFI_COMMON_SECTION_HEADER2 EFI_COMPATIBILITY16_SECTION2;
262 /// CompressionType of EFI_COMPRESSION_SECTION.
264 #define EFI_NOT_COMPRESSED 0x00
265 #define EFI_STANDARD_COMPRESSION 0x01
267 /// An encapsulation section type in which the
268 /// section data is compressed.
272 /// Usual common section header. CommonHeader.Type = EFI_SECTION_COMPRESSION.
274 EFI_COMMON_SECTION_HEADER CommonHeader;
276 /// The UINT32 that indicates the size of the section data after decompression.
278 UINT32 UncompressedLength;
280 /// Indicates which compression algorithm is used.
282 UINT8 CompressionType;
283 } EFI_COMPRESSION_SECTION;
287 /// Usual common section header. CommonHeader.Type = EFI_SECTION_COMPRESSION.
289 EFI_COMMON_SECTION_HEADER2 CommonHeader;
291 /// UINT32 that indicates the size of the section data after decompression.
293 UINT32 UncompressedLength;
295 /// Indicates which compression algorithm is used.
297 UINT8 CompressionType;
298 } EFI_COMPRESSION_SECTION2;
301 /// An encapsulation section type in which the section data is disposable.
302 /// A disposable section is an encapsulation section in which the section data may be disposed of during
303 /// the process of creating or updating a firmware image without significant impact on the usefulness of
304 /// the file. The Type field in the section header is set to EFI_SECTION_DISPOSABLE. This
305 /// allows optional or descriptive data to be included with the firmware file which can be removed in
306 /// order to conserve space. The contents of this section are implementation specific, but might contain
307 /// debug data or detailed integration instructions.
309 typedef EFI_COMMON_SECTION_HEADER EFI_DISPOSABLE_SECTION;
310 typedef EFI_COMMON_SECTION_HEADER2 EFI_DISPOSABLE_SECTION2;
313 /// The leaf section which could be used to determine the dispatch order of DXEs.
315 typedef EFI_COMMON_SECTION_HEADER EFI_DXE_DEPEX_SECTION;
316 typedef EFI_COMMON_SECTION_HEADER2 EFI_DXE_DEPEX_SECTION2;
319 /// The leaf section which contains a PI FV.
321 typedef EFI_COMMON_SECTION_HEADER EFI_FIRMWARE_VOLUME_IMAGE_SECTION;
322 typedef EFI_COMMON_SECTION_HEADER2 EFI_FIRMWARE_VOLUME_IMAGE_SECTION2;
325 /// The leaf section which contains a single GUID.
329 /// Common section header. CommonHeader.Type = EFI_SECTION_FREEFORM_SUBTYPE_GUID.
331 EFI_COMMON_SECTION_HEADER CommonHeader;
333 /// This GUID is defined by the creator of the file. It is a vendor-defined file type.
335 EFI_GUID SubTypeGuid;
336 } EFI_FREEFORM_SUBTYPE_GUID_SECTION;
340 /// The common section header. CommonHeader.Type = EFI_SECTION_FREEFORM_SUBTYPE_GUID.
342 EFI_COMMON_SECTION_HEADER2 CommonHeader;
344 /// This GUID is defined by the creator of the file. It is a vendor-defined file type.
346 EFI_GUID SubTypeGuid;
347 } EFI_FREEFORM_SUBTYPE_GUID_SECTION2;
350 /// Attributes of EFI_GUID_DEFINED_SECTION.
352 #define EFI_GUIDED_SECTION_PROCESSING_REQUIRED 0x01
353 #define EFI_GUIDED_SECTION_AUTH_STATUS_VALID 0x02
355 /// The leaf section which is encapsulation defined by specific GUID.
359 /// The common section header. CommonHeader.Type = EFI_SECTION_GUID_DEFINED.
361 EFI_COMMON_SECTION_HEADER CommonHeader;
363 /// The GUID that defines the format of the data that follows. It is a vendor-defined section type.
365 EFI_GUID SectionDefinitionGuid;
367 /// Contains the offset in bytes from the beginning of the common header to the first byte of the data.
371 /// The bit field that declares some specific characteristics of the section contents.
374 } EFI_GUID_DEFINED_SECTION;
378 /// The common section header. CommonHeader.Type = EFI_SECTION_GUID_DEFINED.
380 EFI_COMMON_SECTION_HEADER2 CommonHeader;
382 /// The GUID that defines the format of the data that follows. It is a vendor-defined section type.
384 EFI_GUID SectionDefinitionGuid;
386 /// Contains the offset in bytes from the beginning of the common header to the first byte of the data.
390 /// The bit field that declares some specific characteristics of the section contents.
393 } EFI_GUID_DEFINED_SECTION2;
396 /// The leaf section which contains PE32+ image.
398 typedef EFI_COMMON_SECTION_HEADER EFI_PE32_SECTION;
399 typedef EFI_COMMON_SECTION_HEADER2 EFI_PE32_SECTION2;
402 /// The leaf section used to determine the dispatch order of PEIMs.
404 typedef EFI_COMMON_SECTION_HEADER EFI_PEI_DEPEX_SECTION;
405 typedef EFI_COMMON_SECTION_HEADER2 EFI_PEI_DEPEX_SECTION2;
408 /// A leaf section type that contains a position-independent-code (PIC) image.
409 /// A PIC image section is a leaf section that contains a position-independent-code (PIC) image.
410 /// In addition to normal PE32+ images that contain relocation information, PEIM executables may be
411 /// PIC and are referred to as PIC images. A PIC image is the same as a PE32+ image except that all
412 /// relocation information has been stripped from the image and the image can be moved and will
413 /// execute correctly without performing any relocation or other fix-ups. EFI_PIC_SECTION2 must
414 /// be used if the section is 16MB or larger.
416 typedef EFI_COMMON_SECTION_HEADER EFI_PIC_SECTION;
417 typedef EFI_COMMON_SECTION_HEADER2 EFI_PIC_SECTION2;
420 /// The leaf section which constains the position-independent-code image.
422 typedef EFI_COMMON_SECTION_HEADER EFI_TE_SECTION;
423 typedef EFI_COMMON_SECTION_HEADER2 EFI_TE_SECTION2;
426 /// The leaf section which contains an array of zero or more bytes.
428 typedef EFI_COMMON_SECTION_HEADER EFI_RAW_SECTION;
429 typedef EFI_COMMON_SECTION_HEADER2 EFI_RAW_SECTION2;
432 /// The SMM dependency expression section is a leaf section that contains a dependency expression that
433 /// is used to determine the dispatch order for SMM drivers. Before the SMRAM invocation of the
434 /// SMM driver's entry point, this dependency expression must evaluate to TRUE. See the Platform
435 /// Initialization Specification, Volume 2, for details regarding the format of the dependency expression.
436 /// The dependency expression may refer to protocols installed in either the UEFI or the SMM protocol
437 /// database. EFI_SMM_DEPEX_SECTION2 must be used if the section is 16MB or larger.
439 typedef EFI_COMMON_SECTION_HEADER EFI_SMM_DEPEX_SECTION;
440 typedef EFI_COMMON_SECTION_HEADER2 EFI_SMM_DEPEX_SECTION2;
443 /// The leaf section which contains a unicode string that
444 /// is human readable file name.
447 EFI_COMMON_SECTION_HEADER CommonHeader;
450 /// Array of unicode string.
452 CHAR16 FileNameString[1];
453 } EFI_USER_INTERFACE_SECTION;
456 EFI_COMMON_SECTION_HEADER2 CommonHeader;
457 CHAR16 FileNameString[1];
458 } EFI_USER_INTERFACE_SECTION2;
461 /// The leaf section which contains a numeric build number and
462 /// an optional unicode string that represents the file revision.
465 EFI_COMMON_SECTION_HEADER CommonHeader;
469 /// Array of unicode string.
471 CHAR16 VersionString[1];
472 } EFI_VERSION_SECTION;
475 EFI_COMMON_SECTION_HEADER2 CommonHeader;
477 /// A UINT16 that represents a particular build. Subsequent builds have monotonically
478 /// increasing build numbers relative to earlier builds.
481 CHAR16 VersionString[1];
482 } EFI_VERSION_SECTION2;
484 #define IS_SECTION2(SectionHeaderPtr) \
485 ((UINT32) (*((UINT32 *) ((EFI_COMMON_SECTION_HEADER *) (UINTN) SectionHeaderPtr)->Size) & 0x00ffffff) == 0x00ffffff)
487 #define SECTION_SIZE(SectionHeaderPtr) \
488 ((UINT32) (*((UINT32 *) ((EFI_COMMON_SECTION_HEADER *) (UINTN) SectionHeaderPtr)->Size) & 0x00ffffff))
490 #define SECTION2_SIZE(SectionHeaderPtr) \
491 (((EFI_COMMON_SECTION_HEADER2 *) (UINTN) SectionHeaderPtr)->ExtendedSize)