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959ccb23 1/** @file\r
2 The firmware file related definitions in PI.\r
3\r
c8a9f069 4Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>\r
fbb393ab
LL
5This program and the accompanying materials are licensed and made available under\r
6the terms and conditions of the BSD License that accompanies this distribution.\r
af2dc6a7 7The full text of the license may be found at\r
fbb393ab 8http://opensource.org/licenses/bsd-license.php.\r
959ccb23 9\r
fbb393ab
LL
10THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
959ccb23 12\r
959ccb23 13 @par Revision Reference:\r
c8a9f069 14 PI Version 1.6.\r
959ccb23 15\r
16**/\r
17\r
0b3cac32 18\r
959ccb23 19#ifndef __PI_FIRMWARE_FILE_H__\r
20#define __PI_FIRMWARE_FILE_H__\r
21\r
62d1e08b 22#pragma pack(1)\r
dc53faa3 23///\r
24/// Used to verify the integrity of the file.\r
fbb393ab 25///\r
959ccb23 26typedef union {\r
27 struct {\r
1bf79370
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28 ///\r
29 /// The IntegrityCheck.Checksum.Header field is an 8-bit checksum of the file\r
30 /// header. The State and IntegrityCheck.Checksum.File fields are assumed\r
31 /// to be zero and the checksum is calculated such that the entire header sums to zero.\r
32 ///\r
959ccb23 33 UINT8 Header;\r
1bf79370
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34 ///\r
35 /// If the FFS_ATTRIB_CHECKSUM (see definition below) bit of the Attributes\r
36 /// field is set to one, the IntegrityCheck.Checksum.File field is an 8-bit\r
bf099261 37 /// checksum of the file data.\r
1bf79370
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38 /// If the FFS_ATTRIB_CHECKSUM bit of the Attributes field is cleared to zero,\r
39 /// the IntegrityCheck.Checksum.File field must be initialized with a value of\r
2bf0d835 40 /// 0xAA. The IntegrityCheck.Checksum.File field is valid any time the\r
1bf79370
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41 /// EFI_FILE_DATA_VALID bit is set in the State field.\r
42 ///\r
959ccb23 43 UINT8 File;\r
44 } Checksum;\r
1bf79370
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45 ///\r
46 /// This is the full 16 bits of the IntegrityCheck field.\r
47 ///\r
959ccb23 48 UINT16 Checksum16;\r
49} EFI_FFS_INTEGRITY_CHECK;\r
50\r
2bf0d835
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51///\r
52/// FFS_FIXED_CHECKSUM is the checksum value used when the\r
af2dc6a7 53/// FFS_ATTRIB_CHECKSUM attribute bit is clear.\r
2bf0d835
LG
54///\r
55#define FFS_FIXED_CHECKSUM 0xAA\r
56\r
959ccb23 57typedef UINT8 EFI_FV_FILETYPE;\r
58typedef UINT8 EFI_FFS_FILE_ATTRIBUTES;\r
59typedef UINT8 EFI_FFS_FILE_STATE;\r
60\r
dc53faa3 61///\r
62/// File Types Definitions\r
fbb393ab 63///\r
d44d2087 64#define EFI_FV_FILETYPE_ALL 0x00\r
8fb30482 65#define EFI_FV_FILETYPE_RAW 0x01\r
66#define EFI_FV_FILETYPE_FREEFORM 0x02\r
67#define EFI_FV_FILETYPE_SECURITY_CORE 0x03\r
68#define EFI_FV_FILETYPE_PEI_CORE 0x04\r
69#define EFI_FV_FILETYPE_DXE_CORE 0x05\r
70#define EFI_FV_FILETYPE_PEIM 0x06\r
71#define EFI_FV_FILETYPE_DRIVER 0x07\r
72#define EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER 0x08\r
73#define EFI_FV_FILETYPE_APPLICATION 0x09\r
f412ecc3
SV
74#define EFI_FV_FILETYPE_MM 0x0A\r
75#define EFI_FV_FILETYPE_SMM EFI_FV_FILETYPE_MM\r
8fb30482 76#define EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE 0x0B\r
f412ecc3
SV
77#define EFI_FV_FILETYPE_COMBINED_MM_DXE 0x0C\r
78#define EFI_FV_FILETYPE_COMBINED_SMM_DXE EFI_FV_FILETYPE_COMBINED_MM_DXE\r
79#define EFI_FV_FILETYPE_MM_CORE 0x0D\r
80#define EFI_FV_FILETYPE_SMM_CORE EFI_FV_FILETYPE_MM_CORE\r
81#define EFI_FV_FILETYPE_MM_STANDALONE 0x0E\r
82#define EFI_FV_FILETYPE_MM_CORE_STANDALONE 0x0F\r
8fb30482 83#define EFI_FV_FILETYPE_OEM_MIN 0xc0\r
84#define EFI_FV_FILETYPE_OEM_MAX 0xdf\r
85#define EFI_FV_FILETYPE_DEBUG_MIN 0xe0\r
86#define EFI_FV_FILETYPE_DEBUG_MAX 0xef\r
87#define EFI_FV_FILETYPE_FFS_MIN 0xf0\r
88#define EFI_FV_FILETYPE_FFS_MAX 0xff\r
89#define EFI_FV_FILETYPE_FFS_PAD 0xf0\r
fbb393ab 90///\r
dc53faa3 91/// FFS File Attributes.\r
fbb393ab 92///\r
3d4d4cfa 93#define FFS_ATTRIB_LARGE_FILE 0x01\r
c8a9f069 94#define FFS_ATTRIB_DATA_ALIGNMENT_2 0x02\r
959ccb23 95#define FFS_ATTRIB_FIXED 0x04\r
96#define FFS_ATTRIB_DATA_ALIGNMENT 0x38\r
97#define FFS_ATTRIB_CHECKSUM 0x40\r
98\r
fbb393ab 99///\r
dc53faa3 100/// FFS File State Bits.\r
fbb393ab 101///\r
959ccb23 102#define EFI_FILE_HEADER_CONSTRUCTION 0x01\r
103#define EFI_FILE_HEADER_VALID 0x02\r
104#define EFI_FILE_DATA_VALID 0x04\r
105#define EFI_FILE_MARKED_FOR_UPDATE 0x08\r
106#define EFI_FILE_DELETED 0x10\r
107#define EFI_FILE_HEADER_INVALID 0x20\r
108\r
109\r
dc53faa3 110///\r
fbb393ab 111/// Each file begins with the header that describe the\r
dc53faa3 112/// contents and state of the files.\r
fbb393ab 113///\r
959ccb23 114typedef struct {\r
1bf79370
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115 ///\r
116 /// This GUID is the file name. It is used to uniquely identify the file.\r
117 ///\r
959ccb23 118 EFI_GUID Name;\r
1bf79370
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119 ///\r
120 /// Used to verify the integrity of the file.\r
121 ///\r
959ccb23 122 EFI_FFS_INTEGRITY_CHECK IntegrityCheck;\r
1bf79370
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123 ///\r
124 /// Identifies the type of file.\r
125 ///\r
959ccb23 126 EFI_FV_FILETYPE Type;\r
1bf79370
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127 ///\r
128 /// Declares various file attribute bits.\r
129 ///\r
959ccb23 130 EFI_FFS_FILE_ATTRIBUTES Attributes;\r
1bf79370
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131 ///\r
132 /// The length of the file in bytes, including the FFS header.\r
133 ///\r
959ccb23 134 UINT8 Size[3];\r
1bf79370
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135 ///\r
136 /// Used to track the state of the file throughout the life of the file from creation to deletion.\r
137 ///\r
959ccb23 138 EFI_FFS_FILE_STATE State;\r
139} EFI_FFS_FILE_HEADER;\r
140\r
3d4d4cfa 141typedef struct {\r
142 ///\r
143 /// This GUID is the file name. It is used to uniquely identify the file. There may be only\r
144 /// one instance of a file with the file name GUID of Name in any given firmware\r
145 /// volume, except if the file type is EFI_FV_FILETYPE_FFS_PAD.\r
146 ///\r
147 EFI_GUID Name;\r
fbb393ab 148\r
3d4d4cfa 149 ///\r
150 /// Used to verify the integrity of the file.\r
fbb393ab 151 ///\r
3d4d4cfa 152 EFI_FFS_INTEGRITY_CHECK IntegrityCheck;\r
fbb393ab 153\r
3d4d4cfa 154 ///\r
155 /// Identifies the type of file.\r
fbb393ab 156 ///\r
3d4d4cfa 157 EFI_FV_FILETYPE Type;\r
fbb393ab 158\r
3d4d4cfa 159 ///\r
160 /// Declares various file attribute bits.\r
fbb393ab 161 ///\r
3d4d4cfa 162 EFI_FFS_FILE_ATTRIBUTES Attributes;\r
fbb393ab 163\r
3d4d4cfa 164 ///\r
165 /// The length of the file in bytes, including the FFS header.\r
166 /// The length of the file data is either (Size - sizeof(EFI_FFS_FILE_HEADER)). This calculation means a\r
167 /// zero-length file has a Size of 24 bytes, which is sizeof(EFI_FFS_FILE_HEADER).\r
168 /// Size is not required to be a multiple of 8 bytes. Given a file F, the next file header is\r
169 /// located at the next 8-byte aligned firmware volume offset following the last byte of the file F.\r
170 ///\r
171 UINT8 Size[3];\r
fbb393ab 172\r
3d4d4cfa 173 ///\r
174 /// Used to track the state of the file throughout the life of the file from creation to deletion.\r
175 ///\r
176 EFI_FFS_FILE_STATE State;\r
fbb393ab 177\r
3d4d4cfa 178 ///\r
af2dc6a7 179 /// If FFS_ATTRIB_LARGE_FILE is set in Attributes, then ExtendedSize exists and Size must be set to zero.\r
3d4d4cfa 180 /// If FFS_ATTRIB_LARGE_FILE is not set then EFI_FFS_FILE_HEADER is used.\r
181 ///\r
28fc9f47 182 UINT64 ExtendedSize;\r
3d4d4cfa 183} EFI_FFS_FILE_HEADER2;\r
959ccb23 184\r
30f001ca
SZ
185#define IS_FFS_FILE2(FfsFileHeaderPtr) \\r
186 (((((EFI_FFS_FILE_HEADER *) (UINTN) FfsFileHeaderPtr)->Attributes) & FFS_ATTRIB_LARGE_FILE) == FFS_ATTRIB_LARGE_FILE)\r
187\r
188#define FFS_FILE_SIZE(FfsFileHeaderPtr) \\r
189 ((UINT32) (*((UINT32 *) ((EFI_FFS_FILE_HEADER *) (UINTN) FfsFileHeaderPtr)->Size) & 0x00ffffff))\r
190\r
191#define FFS_FILE2_SIZE(FfsFileHeaderPtr) \\r
28fc9f47 192 ((UINT32) (((EFI_FFS_FILE_HEADER2 *) (UINTN) FfsFileHeaderPtr)->ExtendedSize))\r
30f001ca 193\r
959ccb23 194typedef UINT8 EFI_SECTION_TYPE;\r
195\r
dc53faa3 196///\r
af2dc6a7 197/// Pseudo type. It is used as a wild card when retrieving sections.\r
198/// The section type EFI_SECTION_ALL matches all section types.\r
dc53faa3 199///\r
959ccb23 200#define EFI_SECTION_ALL 0x00\r
201\r
dc53faa3 202///\r
af2dc6a7 203/// Encapsulation section Type values.\r
dc53faa3 204///\r
959ccb23 205#define EFI_SECTION_COMPRESSION 0x01\r
206\r
207#define EFI_SECTION_GUID_DEFINED 0x02\r
208\r
3d4d4cfa 209#define EFI_SECTION_DISPOSABLE 0x03\r
210\r
dc53faa3 211///\r
af2dc6a7 212/// Leaf section Type values.\r
dc53faa3 213///\r
959ccb23 214#define EFI_SECTION_PE32 0x10\r
215#define EFI_SECTION_PIC 0x11\r
216#define EFI_SECTION_TE 0x12\r
217#define EFI_SECTION_DXE_DEPEX 0x13\r
218#define EFI_SECTION_VERSION 0x14\r
219#define EFI_SECTION_USER_INTERFACE 0x15\r
220#define EFI_SECTION_COMPATIBILITY16 0x16\r
221#define EFI_SECTION_FIRMWARE_VOLUME_IMAGE 0x17\r
222#define EFI_SECTION_FREEFORM_SUBTYPE_GUID 0x18\r
223#define EFI_SECTION_RAW 0x19\r
224#define EFI_SECTION_PEI_DEPEX 0x1B\r
f412ecc3
SV
225#define EFI_SECTION_MM_DEPEX 0x1C\r
226#define EFI_SECTION_SMM_DEPEX EFI_SECTION_MM_DEPEX\r
959ccb23 227\r
dc53faa3 228///\r
af2dc6a7 229/// Common section header.\r
fbb393ab 230///\r
959ccb23 231typedef struct {\r
1bf79370 232 ///\r
fbb393ab 233 /// A 24-bit unsigned integer that contains the total size of the section in bytes,\r
1bf79370
LG
234 /// including the EFI_COMMON_SECTION_HEADER.\r
235 ///\r
959ccb23 236 UINT8 Size[3];\r
237 EFI_SECTION_TYPE Type;\r
1bf79370
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238 ///\r
239 /// Declares the section type.\r
240 ///\r
959ccb23 241} EFI_COMMON_SECTION_HEADER;\r
242\r
3d4d4cfa 243typedef struct {\r
244 ///\r
fbb393ab 245 /// A 24-bit unsigned integer that contains the total size of the section in bytes,\r
3d4d4cfa 246 /// including the EFI_COMMON_SECTION_HEADER.\r
247 ///\r
248 UINT8 Size[3];\r
fbb393ab 249\r
3d4d4cfa 250 EFI_SECTION_TYPE Type;\r
fbb393ab 251\r
3d4d4cfa 252 ///\r
af2dc6a7 253 /// If Size is 0xFFFFFF, then ExtendedSize contains the size of the section. If\r
fbb393ab 254 /// Size is not equal to 0xFFFFFF, then this field does not exist.\r
3d4d4cfa 255 ///\r
256 UINT32 ExtendedSize;\r
257} EFI_COMMON_SECTION_HEADER2;\r
258\r
dc53faa3 259///\r
fbb393ab 260/// Leaf section type that contains an\r
dc53faa3 261/// IA-32 16-bit executable image.\r
fbb393ab 262///\r
3d4d4cfa 263typedef EFI_COMMON_SECTION_HEADER EFI_COMPATIBILITY16_SECTION;\r
264typedef EFI_COMMON_SECTION_HEADER2 EFI_COMPATIBILITY16_SECTION2;\r
959ccb23 265\r
dc53faa3 266///\r
267/// CompressionType of EFI_COMPRESSION_SECTION.\r
fbb393ab 268///\r
959ccb23 269#define EFI_NOT_COMPRESSED 0x00\r
270#define EFI_STANDARD_COMPRESSION 0x01\r
dc53faa3 271///\r
fbb393ab 272/// An encapsulation section type in which the\r
dc53faa3 273/// section data is compressed.\r
fbb393ab 274///\r
959ccb23 275typedef struct {\r
1bf79370
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276 ///\r
277 /// Usual common section header. CommonHeader.Type = EFI_SECTION_COMPRESSION.\r
278 ///\r
00edb218 279 EFI_COMMON_SECTION_HEADER CommonHeader;\r
1bf79370 280 ///\r
af2dc6a7 281 /// The UINT32 that indicates the size of the section data after decompression.\r
1bf79370 282 ///\r
00edb218 283 UINT32 UncompressedLength;\r
1bf79370
LG
284 ///\r
285 /// Indicates which compression algorithm is used.\r
286 ///\r
00edb218 287 UINT8 CompressionType;\r
959ccb23 288} EFI_COMPRESSION_SECTION;\r
289\r
3d4d4cfa 290typedef struct {\r
291 ///\r
292 /// Usual common section header. CommonHeader.Type = EFI_SECTION_COMPRESSION.\r
293 ///\r
294 EFI_COMMON_SECTION_HEADER2 CommonHeader;\r
295 ///\r
296 /// UINT32 that indicates the size of the section data after decompression.\r
297 ///\r
298 UINT32 UncompressedLength;\r
299 ///\r
300 /// Indicates which compression algorithm is used.\r
301 ///\r
302 UINT8 CompressionType;\r
303} EFI_COMPRESSION_SECTION2;\r
304\r
73d622ed 305///\r
306/// An encapsulation section type in which the section data is disposable.\r
307/// A disposable section is an encapsulation section in which the section data may be disposed of during\r
308/// the process of creating or updating a firmware image without significant impact on the usefulness of\r
309/// the file. The Type field in the section header is set to EFI_SECTION_DISPOSABLE. This\r
310/// allows optional or descriptive data to be included with the firmware file which can be removed in\r
311/// order to conserve space. The contents of this section are implementation specific, but might contain\r
312/// debug data or detailed integration instructions.\r
313///\r
3d4d4cfa 314typedef EFI_COMMON_SECTION_HEADER EFI_DISPOSABLE_SECTION;\r
315typedef EFI_COMMON_SECTION_HEADER2 EFI_DISPOSABLE_SECTION2;\r
73d622ed 316\r
dc53faa3 317///\r
af2dc6a7 318/// The leaf section which could be used to determine the dispatch order of DXEs.\r
fbb393ab 319///\r
3d4d4cfa 320typedef EFI_COMMON_SECTION_HEADER EFI_DXE_DEPEX_SECTION;\r
321typedef EFI_COMMON_SECTION_HEADER2 EFI_DXE_DEPEX_SECTION2;\r
959ccb23 322\r
dc53faa3 323///\r
af2dc6a7 324/// The leaf section which contains a PI FV.\r
fbb393ab 325///\r
3d4d4cfa 326typedef EFI_COMMON_SECTION_HEADER EFI_FIRMWARE_VOLUME_IMAGE_SECTION;\r
327typedef EFI_COMMON_SECTION_HEADER2 EFI_FIRMWARE_VOLUME_IMAGE_SECTION2;\r
959ccb23 328\r
dc53faa3 329///\r
af2dc6a7 330/// The leaf section which contains a single GUID.\r
fbb393ab 331///\r
959ccb23 332typedef struct {\r
1bf79370
LG
333 ///\r
334 /// Common section header. CommonHeader.Type = EFI_SECTION_FREEFORM_SUBTYPE_GUID.\r
335 ///\r
00edb218 336 EFI_COMMON_SECTION_HEADER CommonHeader;\r
1bf79370
LG
337 ///\r
338 /// This GUID is defined by the creator of the file. It is a vendor-defined file type.\r
339 ///\r
00edb218 340 EFI_GUID SubTypeGuid;\r
959ccb23 341} EFI_FREEFORM_SUBTYPE_GUID_SECTION;\r
342\r
3d4d4cfa 343typedef struct {\r
344 ///\r
af2dc6a7 345 /// The common section header. CommonHeader.Type = EFI_SECTION_FREEFORM_SUBTYPE_GUID.\r
3d4d4cfa 346 ///\r
347 EFI_COMMON_SECTION_HEADER2 CommonHeader;\r
348 ///\r
349 /// This GUID is defined by the creator of the file. It is a vendor-defined file type.\r
fbb393ab 350 ///\r
3d4d4cfa 351 EFI_GUID SubTypeGuid;\r
352} EFI_FREEFORM_SUBTYPE_GUID_SECTION2;\r
353\r
dc53faa3 354///\r
af2dc6a7 355/// Attributes of EFI_GUID_DEFINED_SECTION.\r
fbb393ab 356///\r
959ccb23 357#define EFI_GUIDED_SECTION_PROCESSING_REQUIRED 0x01\r
358#define EFI_GUIDED_SECTION_AUTH_STATUS_VALID 0x02\r
dc53faa3 359///\r
af2dc6a7 360/// The leaf section which is encapsulation defined by specific GUID.\r
fbb393ab 361///\r
959ccb23 362typedef struct {\r
1bf79370 363 ///\r
af2dc6a7 364 /// The common section header. CommonHeader.Type = EFI_SECTION_GUID_DEFINED.\r
1bf79370 365 ///\r
00edb218 366 EFI_COMMON_SECTION_HEADER CommonHeader;\r
1bf79370 367 ///\r
af2dc6a7 368 /// The GUID that defines the format of the data that follows. It is a vendor-defined section type.\r
1bf79370 369 ///\r
00edb218 370 EFI_GUID SectionDefinitionGuid;\r
1bf79370
LG
371 ///\r
372 /// Contains the offset in bytes from the beginning of the common header to the first byte of the data.\r
373 ///\r
00edb218 374 UINT16 DataOffset;\r
1bf79370 375 ///\r
af2dc6a7 376 /// The bit field that declares some specific characteristics of the section contents.\r
1bf79370 377 ///\r
00edb218 378 UINT16 Attributes;\r
959ccb23 379} EFI_GUID_DEFINED_SECTION;\r
380\r
3d4d4cfa 381typedef struct {\r
382 ///\r
af2dc6a7 383 /// The common section header. CommonHeader.Type = EFI_SECTION_GUID_DEFINED.\r
3d4d4cfa 384 ///\r
385 EFI_COMMON_SECTION_HEADER2 CommonHeader;\r
386 ///\r
af2dc6a7 387 /// The GUID that defines the format of the data that follows. It is a vendor-defined section type.\r
fbb393ab 388 ///\r
3d4d4cfa 389 EFI_GUID SectionDefinitionGuid;\r
390 ///\r
391 /// Contains the offset in bytes from the beginning of the common header to the first byte of the data.\r
fbb393ab 392 ///\r
3d4d4cfa 393 UINT16 DataOffset;\r
394 ///\r
af2dc6a7 395 /// The bit field that declares some specific characteristics of the section contents.\r
fbb393ab 396 ///\r
3d4d4cfa 397 UINT16 Attributes;\r
398} EFI_GUID_DEFINED_SECTION2;\r
399\r
dc53faa3 400///\r
af2dc6a7 401/// The leaf section which contains PE32+ image.\r
fbb393ab 402///\r
3d4d4cfa 403typedef EFI_COMMON_SECTION_HEADER EFI_PE32_SECTION;\r
404typedef EFI_COMMON_SECTION_HEADER2 EFI_PE32_SECTION2;\r
959ccb23 405\r
dc53faa3 406///\r
af2dc6a7 407/// The leaf section used to determine the dispatch order of PEIMs.\r
fbb393ab 408///\r
3d4d4cfa 409typedef EFI_COMMON_SECTION_HEADER EFI_PEI_DEPEX_SECTION;\r
410typedef EFI_COMMON_SECTION_HEADER2 EFI_PEI_DEPEX_SECTION2;\r
411\r
412///\r
413/// A leaf section type that contains a position-independent-code (PIC) image.\r
414/// A PIC image section is a leaf section that contains a position-independent-code (PIC) image.\r
415/// In addition to normal PE32+ images that contain relocation information, PEIM executables may be\r
416/// PIC and are referred to as PIC images. A PIC image is the same as a PE32+ image except that all\r
417/// relocation information has been stripped from the image and the image can be moved and will\r
418/// execute correctly without performing any relocation or other fix-ups. EFI_PIC_SECTION2 must\r
419/// be used if the section is 16MB or larger.\r
420///\r
421typedef EFI_COMMON_SECTION_HEADER EFI_PIC_SECTION;\r
422typedef EFI_COMMON_SECTION_HEADER2 EFI_PIC_SECTION2;\r
959ccb23 423\r
dc53faa3 424///\r
af2dc6a7 425/// The leaf section which constains the position-independent-code image.\r
fbb393ab 426///\r
3d4d4cfa 427typedef EFI_COMMON_SECTION_HEADER EFI_TE_SECTION;\r
428typedef EFI_COMMON_SECTION_HEADER2 EFI_TE_SECTION2;\r
959ccb23 429\r
dc53faa3 430///\r
af2dc6a7 431/// The leaf section which contains an array of zero or more bytes.\r
fbb393ab 432///\r
3d4d4cfa 433typedef EFI_COMMON_SECTION_HEADER EFI_RAW_SECTION;\r
434typedef EFI_COMMON_SECTION_HEADER2 EFI_RAW_SECTION2;\r
435\r
fbb393ab 436///\r
3d4d4cfa 437/// The SMM dependency expression section is a leaf section that contains a dependency expression that\r
438/// is used to determine the dispatch order for SMM drivers. Before the SMRAM invocation of the\r
439/// SMM driver's entry point, this dependency expression must evaluate to TRUE. See the Platform\r
af2dc6a7 440/// Initialization Specification, Volume 2, for details regarding the format of the dependency expression.\r
3d4d4cfa 441/// The dependency expression may refer to protocols installed in either the UEFI or the SMM protocol\r
442/// database. EFI_SMM_DEPEX_SECTION2 must be used if the section is 16MB or larger.\r
fbb393ab 443///\r
3d4d4cfa 444typedef EFI_COMMON_SECTION_HEADER EFI_SMM_DEPEX_SECTION;\r
445typedef EFI_COMMON_SECTION_HEADER2 EFI_SMM_DEPEX_SECTION2;\r
959ccb23 446\r
dc53faa3 447///\r
fbb393ab 448/// The leaf section which contains a unicode string that\r
dc53faa3 449/// is human readable file name.\r
fbb393ab 450///\r
959ccb23 451typedef struct {\r
00edb218 452 EFI_COMMON_SECTION_HEADER CommonHeader;\r
959ccb23 453\r
dc53faa3 454 ///\r
455 /// Array of unicode string.\r
fbb393ab 456 ///\r
00edb218 457 CHAR16 FileNameString[1];\r
959ccb23 458} EFI_USER_INTERFACE_SECTION;\r
459\r
3d4d4cfa 460typedef struct {\r
461 EFI_COMMON_SECTION_HEADER2 CommonHeader;\r
462 CHAR16 FileNameString[1];\r
463} EFI_USER_INTERFACE_SECTION2;\r
959ccb23 464\r
dc53faa3 465///\r
af2dc6a7 466/// The leaf section which contains a numeric build number and\r
fbb393ab
LL
467/// an optional unicode string that represents the file revision.\r
468///\r
959ccb23 469typedef struct {\r
00edb218
A
470 EFI_COMMON_SECTION_HEADER CommonHeader;\r
471 UINT16 BuildNumber;\r
7b1bf9f6 472\r
473 ///\r
474 /// Array of unicode string.\r
fbb393ab 475 ///\r
00edb218 476 CHAR16 VersionString[1];\r
959ccb23 477} EFI_VERSION_SECTION;\r
478\r
3d4d4cfa 479typedef struct {\r
480 EFI_COMMON_SECTION_HEADER2 CommonHeader;\r
481 ///\r
482 /// A UINT16 that represents a particular build. Subsequent builds have monotonically\r
483 /// increasing build numbers relative to earlier builds.\r
484 ///\r
485 UINT16 BuildNumber;\r
486 CHAR16 VersionString[1];\r
487} EFI_VERSION_SECTION2;\r
ddd3f471 488\r
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489#define IS_SECTION2(SectionHeaderPtr) \\r
490 ((UINT32) (*((UINT32 *) ((EFI_COMMON_SECTION_HEADER *) (UINTN) SectionHeaderPtr)->Size) & 0x00ffffff) == 0x00ffffff)\r
491\r
ddd3f471 492#define SECTION_SIZE(SectionHeaderPtr) \\r
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493 ((UINT32) (*((UINT32 *) ((EFI_COMMON_SECTION_HEADER *) (UINTN) SectionHeaderPtr)->Size) & 0x00ffffff))\r
494\r
495#define SECTION2_SIZE(SectionHeaderPtr) \\r
496 (((EFI_COMMON_SECTION_HEADER2 *) (UINTN) SectionHeaderPtr)->ExtendedSize)\r
ddd3f471 497\r
62d1e08b 498#pragma pack()\r
ddd3f471 499\r
959ccb23 500#endif\r
501\r