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MdeModulePkg PeiCore: Make sure FvInfo has FFS2 format if Ffs2Guid FvFormat
[mirror_edk2.git] / MdeModulePkg / Core / Pei / FwVol / FwVol.c
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615c6dd0 1/** @file\r
b1f6a7c6 2 Pei Core Firmware File System service routines.\r
3 \r
9ddd7d7a 4Copyright (c) 2015 HP Development Company, L.P.\r
7147077b 5Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\r
cd5ebaa0 6This program and the accompanying materials \r
192f6d4c 7are licensed and made available under the terms and conditions of the BSD License \r
8which accompanies this distribution. The full text of the license may be found at \r
9http://opensource.org/licenses/bsd-license.php \r
10 \r
11THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
12WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
13\r
615c6dd0 14**/\r
192f6d4c 15\r
3b428ade 16#include "FwVol.h"\r
192f6d4c 17\r
c7935105
SZ		 18EFI_PEI_NOTIFY_DESCRIPTOR mNotifyOnFvInfoList[] = {\r
19 {\r
20 EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK,\r
21 &gEfiPeiFirmwareVolumeInfoPpiGuid,\r
22 FirmwareVolmeInfoPpiNotifyCallback \r
23 },\r
24 {\r
25 (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
26 &gEfiPeiFirmwareVolumeInfo2PpiGuid,\r
27 FirmwareVolmeInfoPpiNotifyCallback \r
28 }\r
b0d803fe 29};\r
30\r
890e5417
SZ		 31PEI_FW_VOL_INSTANCE mPeiFfs2FwVol = {\r
32 PEI_FW_VOL_SIGNATURE,\r
33 FALSE,\r
34 {\r
35 PeiFfsFvPpiProcessVolume,\r
36 PeiFfsFvPpiFindFileByType,\r
37 PeiFfsFvPpiFindFileByName,\r
38 PeiFfsFvPpiGetFileInfo,\r
39 PeiFfsFvPpiGetVolumeInfo,\r
c7935105
SZ		 40 PeiFfsFvPpiFindSectionByType,\r
41 PeiFfsFvPpiGetFileInfo2,\r
42 PeiFfsFvPpiFindSectionByType2,\r
43 EFI_PEI_FIRMWARE_VOLUME_PPI_SIGNATURE,\r
44 EFI_PEI_FIRMWARE_VOLUME_PPI_REVISION\r
890e5417
SZ		 45 }\r
46};\r
47\r
48PEI_FW_VOL_INSTANCE mPeiFfs3FwVol = {\r
49 PEI_FW_VOL_SIGNATURE,\r
50 TRUE,\r
51 {\r
52 PeiFfsFvPpiProcessVolume,\r
53 PeiFfsFvPpiFindFileByType,\r
54 PeiFfsFvPpiFindFileByName,\r
55 PeiFfsFvPpiGetFileInfo,\r
56 PeiFfsFvPpiGetVolumeInfo,\r
c7935105
SZ		 57 PeiFfsFvPpiFindSectionByType,\r
58 PeiFfsFvPpiGetFileInfo2,\r
59 PeiFfsFvPpiFindSectionByType2,\r
60 EFI_PEI_FIRMWARE_VOLUME_PPI_SIGNATURE,\r
61 EFI_PEI_FIRMWARE_VOLUME_PPI_REVISION\r
890e5417 62 }\r
3b428ade 63};\r
64 \r
65EFI_PEI_PPI_DESCRIPTOR mPeiFfs2FvPpiList = {\r
66 (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
67 &gEfiFirmwareFileSystem2Guid,\r
890e5417
SZ		 68 &mPeiFfs2FwVol.Fv\r
69};\r
70\r
71EFI_PEI_PPI_DESCRIPTOR mPeiFfs3FvPpiList = {\r
72 (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
73 &gEfiFirmwareFileSystem3Guid,\r
74 &mPeiFfs3FwVol.Fv\r
3b428ade 75};\r
795bb9b6
SZ		 76\r
77/**\r
78Required Alignment Alignment Value in FFS Alignment Value in\r
79(bytes) Attributes Field Firmware Volume Interfaces\r
801 0 0\r
8116 1 4\r
82128 2 7\r
83512 3 9\r
841 KB 4 10\r
854 KB 5 12\r
8632 KB 6 15\r
8764 KB 7 16\r
88**/\r
89UINT8 mFvAttributes[] = {0, 4, 7, 9, 10, 12, 15, 16};\r
90\r
91/**\r
92 Convert the FFS File Attributes to FV File Attributes\r
93\r
94 @param FfsAttributes The attributes of UINT8 type.\r
95\r
96 @return The attributes of EFI_FV_FILE_ATTRIBUTES\r
97\r
98**/\r
99EFI_FV_FILE_ATTRIBUTES\r
100FfsAttributes2FvFileAttributes (\r
101 IN EFI_FFS_FILE_ATTRIBUTES FfsAttributes\r
102 )\r
103{\r
104 UINT8 DataAlignment;\r
105 EFI_FV_FILE_ATTRIBUTES FileAttribute;\r
106\r
107 DataAlignment = (UINT8) ((FfsAttributes & FFS_ATTRIB_DATA_ALIGNMENT) >> 3);\r
108 ASSERT (DataAlignment < 8);\r
109\r
110 FileAttribute = (EFI_FV_FILE_ATTRIBUTES) mFvAttributes[DataAlignment];\r
111\r
112 if ((FfsAttributes & FFS_ATTRIB_FIXED) == FFS_ATTRIB_FIXED) {\r
113 FileAttribute |= EFI_FV_FILE_ATTRIB_FIXED;\r
114 }\r
115\r
116 return FileAttribute;\r
117}\r
118\r
b1f6a7c6 119/**\r
ed299e3c 120 Returns the file state set by the highest zero bit in the State field\r
192f6d4c 121\r
b1f6a7c6 122 @param ErasePolarity Erase Polarity as defined by EFI_FVB2_ERASE_POLARITY\r
123 in the Attributes field.\r
124 @param FfsHeader Pointer to FFS File Header.\r
192f6d4c 125\r
ed299e3c
LG		 126 @retval EFI_FFS_FILE_STATE File state is set by the highest none zero bit \r
127 in the header State field.\r
b1f6a7c6 128**/\r
129EFI_FFS_FILE_STATE\r
130GetFileState(\r
131 IN UINT8 ErasePolarity,\r
132 IN EFI_FFS_FILE_HEADER *FfsHeader\r
133 )\r
192f6d4c 134{\r
135 EFI_FFS_FILE_STATE FileState;\r
136 EFI_FFS_FILE_STATE HighestBit;\r
137\r
138 FileState = FfsHeader->State;\r
139\r
140 if (ErasePolarity != 0) {\r
141 FileState = (EFI_FFS_FILE_STATE)~FileState;\r
142 }\r
ed299e3c
LG		 143 \r
144 //\r
145 // Get file state set by its highest none zero bit.\r
146 //\r
192f6d4c 147 HighestBit = 0x80;\r
148 while (HighestBit != 0 && (HighestBit & FileState) == 0) {\r
149 HighestBit >>= 1;\r
150 }\r
151\r
152 return HighestBit;\r
153} \r
154\r
b1f6a7c6 155/**\r
156 Calculates the checksum of the header of a file.\r
157\r
158 @param FileHeader Pointer to FFS File Header.\r
159\r
160 @return Checksum of the header.\r
b1f6a7c6 161 Zero means the header is good.\r
162 Non-zero means the header is bad.\r
163**/\r
192f6d4c 164UINT8\r
165CalculateHeaderChecksum (\r
166 IN EFI_FFS_FILE_HEADER *FileHeader\r
167 )\r
192f6d4c 168{\r
890e5417 169 EFI_FFS_FILE_HEADER2 TestFileHeader;\r
192f6d4c 170\r
890e5417
SZ		 171 if (IS_FFS_FILE2 (FileHeader)) {\r
172 CopyMem (&TestFileHeader, FileHeader, sizeof (EFI_FFS_FILE_HEADER2));\r
173 //\r
174 // Ingore State and File field in FFS header.\r
175 //\r
176 TestFileHeader.State = 0;\r
177 TestFileHeader.IntegrityCheck.Checksum.File = 0;\r
178\r
179 return CalculateSum8 ((CONST UINT8 *) &TestFileHeader, sizeof (EFI_FFS_FILE_HEADER2));\r
180 } else {\r
181 CopyMem (&TestFileHeader, FileHeader, sizeof (EFI_FFS_FILE_HEADER));\r
182 //\r
183 // Ingore State and File field in FFS header.\r
184 //\r
185 TestFileHeader.State = 0;\r
186 TestFileHeader.IntegrityCheck.Checksum.File = 0;\r
187\r
188 return CalculateSum8 ((CONST UINT8 *) &TestFileHeader, sizeof (EFI_FFS_FILE_HEADER));\r
189 }\r
192f6d4c 190}\r
191\r
b1f6a7c6 192/**\r
3b428ade 193 Find FV handler according to FileHandle in that FV.\r
b1f6a7c6 194\r
195 @param FileHandle Handle of file image\r
3b428ade 196 \r
197 @return Pointer to instance of PEI_CORE_FV_HANDLE.\r
b1f6a7c6 198**/\r
3b428ade 199PEI_CORE_FV_HANDLE*\r
200FileHandleToVolume (\r
201 IN EFI_PEI_FILE_HANDLE FileHandle\r
b0d803fe 202 )\r
203{\r
204 UINTN Index;\r
205 PEI_CORE_INSTANCE *PrivateData;\r
206 EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;\r
01d3a570 207 UINTN BestIndex;\r
b0d803fe 208\r
209 PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (GetPeiServicesTablePointer ());\r
01d3a570 210 BestIndex = PrivateData->FvCount;\r
3b428ade 211 \r
01d3a570
LG		 212 //\r
213 // Find the best matched FV image that includes this FileHandle.\r
214 // FV may include the child FV, and they are in the same continuous space. \r
215 // If FileHandle is from the child FV, the updated logic can find its matched FV.\r
216 //\r
b0d803fe 217 for (Index = 0; Index < PrivateData->FvCount; Index++) {\r
218 FwVolHeader = PrivateData->Fv[Index].FvHeader;\r
67a58d0f 219 if (((UINT64) (UINTN) FileHandle > (UINT64) (UINTN) FwVolHeader ) && \\r
220 ((UINT64) (UINTN) FileHandle <= ((UINT64) (UINTN) FwVolHeader + FwVolHeader->FvLength - 1))) {\r
01d3a570
LG		 221 if (BestIndex == PrivateData->FvCount) {\r
222 BestIndex = Index;\r
223 } else {\r
224 if ((UINT64) (UINTN) PrivateData->Fv[BestIndex].FvHeader < (UINT64) (UINTN) FwVolHeader) {\r
225 BestIndex = Index;\r
226 }\r
227 }\r
b0d803fe 228 }\r
229 }\r
01d3a570
LG		 230\r
231 if (BestIndex < PrivateData->FvCount) {\r
232 return &PrivateData->Fv[BestIndex];\r
233 }\r
234\r
3b428ade 235 return NULL;\r
b0d803fe 236}\r
237\r
b1f6a7c6 238/**\r
ed299e3c 239 Given the input file pointer, search for the first matching file in the\r
b1f6a7c6 240 FFS volume as defined by SearchType. The search starts from FileHeader inside\r
241 the Firmware Volume defined by FwVolHeader.\r
ed299e3c
LG		 242 If SearchType is EFI_FV_FILETYPE_ALL, the first FFS file will return without check its file type.\r
243 If SearchType is PEI_CORE_INTERNAL_FFS_FILE_DISPATCH_TYPE, \r
244 the first PEIM, or COMBINED PEIM or FV file type FFS file will return. \r
b1f6a7c6 245\r
246 @param FvHandle Pointer to the FV header of the volume to search\r
247 @param FileName File name\r
248 @param SearchType Filter to find only files of this type.\r
249 Type EFI_FV_FILETYPE_ALL causes no filtering to be done.\r
250 @param FileHandle This parameter must point to a valid FFS volume.\r
251 @param AprioriFile Pointer to AprioriFile image in this FV if has\r
b0d803fe 252\r
b1f6a7c6 253 @return EFI_NOT_FOUND No files matching the search criteria were found\r
254 @retval EFI_SUCCESS Success to search given file\r
255\r
256**/\r
192f6d4c 257EFI_STATUS\r
3b428ade 258FindFileEx (\r
b0d803fe 259 IN CONST EFI_PEI_FV_HANDLE FvHandle,\r
260 IN CONST EFI_GUID *FileName, OPTIONAL\r
261 IN EFI_FV_FILETYPE SearchType,\r
262 IN OUT EFI_PEI_FILE_HANDLE *FileHandle,\r
3837e91c 263 IN OUT EFI_PEI_FILE_HANDLE *AprioriFile OPTIONAL\r
192f6d4c 264 )\r
192f6d4c 265{\r
f95f107c
SZ		 266 EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;\r
267 EFI_FIRMWARE_VOLUME_EXT_HEADER *FwVolExtHeader;\r
b0d803fe 268 EFI_FFS_FILE_HEADER **FileHeader;\r
269 EFI_FFS_FILE_HEADER *FfsFileHeader;\r
b0d803fe 270 UINT32 FileLength;\r
271 UINT32 FileOccupiedSize;\r
272 UINT32 FileOffset;\r
273 UINT64 FvLength;\r
274 UINT8 ErasePolarity;\r
275 UINT8 FileState;\r
89cd8129 276 UINT8 DataCheckSum;\r
890e5417 277 BOOLEAN IsFfs3Fv;\r
3b428ade 278 \r
279 //\r
280 // Convert the handle of FV to FV header for memory-mapped firmware volume\r
281 //\r
282 FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) FvHandle;\r
b0d803fe 283 FileHeader = (EFI_FFS_FILE_HEADER **)FileHandle;\r
192f6d4c 284\r
890e5417
SZ		 285 IsFfs3Fv = CompareGuid (&FwVolHeader->FileSystemGuid, &gEfiFirmwareFileSystem3Guid);\r
286\r
192f6d4c 287 FvLength = FwVolHeader->FvLength;\r
d976bf31 288 if ((FwVolHeader->Attributes & EFI_FVB2_ERASE_POLARITY) != 0) {\r
192f6d4c 289 ErasePolarity = 1;\r
290 } else {\r
291 ErasePolarity = 0;\r
292 }\r
293 \r
294 //\r
b0d803fe 295 // If FileHeader is not specified (NULL) or FileName is not NULL,\r
296 // start with the first file in the firmware volume. Otherwise,\r
297 // start from the FileHeader.\r
192f6d4c 298 //\r
b0d803fe 299 if ((*FileHeader == NULL) || (FileName != NULL)) {\r
f95f107c
SZ		 300 if (FwVolHeader->ExtHeaderOffset != 0) {\r
301 //\r
302 // Searching for files starts on an 8 byte aligned boundary after the end of the Extended Header if it exists.\r
303 //\r
304 FwVolExtHeader = (EFI_FIRMWARE_VOLUME_EXT_HEADER *) ((UINT8 *) FwVolHeader + FwVolHeader->ExtHeaderOffset);\r
305 FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FwVolExtHeader + FwVolExtHeader->ExtHeaderSize);\r
306 FfsFileHeader = (EFI_FFS_FILE_HEADER *) ALIGN_POINTER (FfsFileHeader, 8);\r
307 } else {\r
308 FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *) FwVolHeader + FwVolHeader->HeaderLength);\r
309 }\r
192f6d4c 310 } else {\r
890e5417
SZ		 311 if (IS_FFS_FILE2 (*FileHeader)) {\r
312 if (!IsFfs3Fv) {\r
313 DEBUG ((EFI_D_ERROR, "It is a FFS3 formatted file: %g in a non-FFS3 formatted FV.\n", &(*FileHeader)->Name));\r
314 }\r
315 FileLength = FFS_FILE2_SIZE (*FileHeader);\r
316 ASSERT (FileLength > 0x00FFFFFF);\r
317 } else {\r
318 FileLength = FFS_FILE_SIZE (*FileHeader);\r
319 }\r
192f6d4c 320 //\r
192f6d4c 321 // FileLength is adjusted to FileOccupiedSize as it is 8 byte aligned.\r
322 //\r
b0d803fe 323 FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);\r
192f6d4c 324 FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)*FileHeader + FileOccupiedSize);\r
325 }\r
e98cd821 326 \r
192f6d4c 327 FileOffset = (UINT32) ((UINT8 *)FfsFileHeader - (UINT8 *)FwVolHeader);\r
328 ASSERT (FileOffset <= 0xFFFFFFFF);\r
e98cd821 329\r
b0d803fe 330 while (FileOffset < (FvLength - sizeof (EFI_FFS_FILE_HEADER))) {\r
192f6d4c 331 //\r
332 // Get FileState which is the highest bit of the State \r
333 //\r
334 FileState = GetFileState (ErasePolarity, FfsFileHeader);\r
192f6d4c 335 switch (FileState) {\r
336\r
890e5417 337 case EFI_FILE_HEADER_CONSTRUCTION:\r
192f6d4c 338 case EFI_FILE_HEADER_INVALID:\r
890e5417
SZ		 339 if (IS_FFS_FILE2 (FfsFileHeader)) {\r
340 if (!IsFfs3Fv) {\r
341 DEBUG ((EFI_D_ERROR, "Found a FFS3 formatted file: %g in a non-FFS3 formatted FV.\n", &FfsFileHeader->Name));\r
342 }\r
343 FileOffset += sizeof (EFI_FFS_FILE_HEADER2);\r
344 FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER2));\r
345 } else {\r
346 FileOffset += sizeof (EFI_FFS_FILE_HEADER);\r
347 FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER));\r
348 }\r
192f6d4c 349 break;\r
350 \r
351 case EFI_FILE_DATA_VALID:\r
352 case EFI_FILE_MARKED_FOR_UPDATE:\r
b0d803fe 353 if (CalculateHeaderChecksum (FfsFileHeader) != 0) {\r
192f6d4c 354 ASSERT (FALSE);\r
e98cd821 355 *FileHeader = NULL;\r
192f6d4c 356 return EFI_NOT_FOUND;\r
357 }\r
b0d803fe 358\r
890e5417
SZ		 359 if (IS_FFS_FILE2 (FfsFileHeader)) {\r
360 FileLength = FFS_FILE2_SIZE (FfsFileHeader);\r
361 ASSERT (FileLength > 0x00FFFFFF);\r
362 FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);\r
363 if (!IsFfs3Fv) {\r
364 DEBUG ((EFI_D_ERROR, "Found a FFS3 formatted file: %g in a non-FFS3 formatted FV.\n", &FfsFileHeader->Name));\r
365 FileOffset += FileOccupiedSize;\r
366 FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FfsFileHeader + FileOccupiedSize);\r
367 break;\r
368 }\r
369 } else {\r
370 FileLength = FFS_FILE_SIZE (FfsFileHeader);\r
371 FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);\r
372 }\r
b0d803fe 373\r
89cd8129
LG		 374 DataCheckSum = FFS_FIXED_CHECKSUM;\r
375 if ((FfsFileHeader->Attributes & FFS_ATTRIB_CHECKSUM) == FFS_ATTRIB_CHECKSUM) {\r
890e5417
SZ		 376 if (IS_FFS_FILE2 (FfsFileHeader)) {\r
377 DataCheckSum = CalculateCheckSum8 ((CONST UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER2), FileLength - sizeof(EFI_FFS_FILE_HEADER2));\r
378 } else {\r
379 DataCheckSum = CalculateCheckSum8 ((CONST UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER), FileLength - sizeof(EFI_FFS_FILE_HEADER));\r
380 }\r
89cd8129
LG		 381 }\r
382 if (FfsFileHeader->IntegrityCheck.Checksum.File != DataCheckSum) {\r
383 ASSERT (FALSE);\r
384 *FileHeader = NULL;\r
385 return EFI_NOT_FOUND;\r
386 }\r
387\r
b0d803fe 388 if (FileName != NULL) {\r
389 if (CompareGuid (&FfsFileHeader->Name, (EFI_GUID*)FileName)) {\r
390 *FileHeader = FfsFileHeader;\r
391 return EFI_SUCCESS;\r
392 }\r
393 } else if (SearchType == PEI_CORE_INTERNAL_FFS_FILE_DISPATCH_TYPE) {\r
394 if ((FfsFileHeader->Type == EFI_FV_FILETYPE_PEIM) || \r
288f9b38
LG		 395 (FfsFileHeader->Type == EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER) ||\r
396 (FfsFileHeader->Type == EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE)) { \r
b0d803fe 397 \r
398 *FileHeader = FfsFileHeader;\r
399 return EFI_SUCCESS;\r
400 } else if (AprioriFile != NULL) {\r
401 if (FfsFileHeader->Type == EFI_FV_FILETYPE_FREEFORM) {\r
402 if (CompareGuid (&FfsFileHeader->Name, &gPeiAprioriFileNameGuid)) {\r
403 *AprioriFile = FfsFileHeader;\r
404 } \r
405 } \r
406 }\r
7e181f2f 407 } else if (((SearchType == FfsFileHeader->Type) || (SearchType == EFI_FV_FILETYPE_ALL)) && \r
408 (FfsFileHeader->Type != EFI_FV_FILETYPE_FFS_PAD)) { \r
b0d803fe 409 *FileHeader = FfsFileHeader;\r
410 return EFI_SUCCESS;\r
411 }\r
412\r
40f26b8f 413 FileOffset += FileOccupiedSize; \r
414 FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + FileOccupiedSize);\r
192f6d4c 415 break;\r
416 \r
417 case EFI_FILE_DELETED:\r
890e5417
SZ		 418 if (IS_FFS_FILE2 (FfsFileHeader)) {\r
419 if (!IsFfs3Fv) {\r
420 DEBUG ((EFI_D_ERROR, "Found a FFS3 formatted file: %g in a non-FFS3 formatted FV.\n", &FfsFileHeader->Name));\r
421 }\r
422 FileLength = FFS_FILE2_SIZE (FfsFileHeader);\r
423 ASSERT (FileLength > 0x00FFFFFF);\r
424 } else {\r
425 FileLength = FFS_FILE_SIZE (FfsFileHeader);\r
426 }\r
40f26b8f 427 FileOccupiedSize = GET_OCCUPIED_SIZE(FileLength, 8);\r
428 FileOffset += FileOccupiedSize;\r
429 FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + FileOccupiedSize);\r
192f6d4c 430 break;\r
431\r
432 default:\r
e98cd821 433 *FileHeader = NULL;\r
192f6d4c 434 return EFI_NOT_FOUND;\r
192f6d4c 435 } \r
436 }\r
e98cd821
LG		 437 \r
438 *FileHeader = NULL;\r
192f6d4c 439 return EFI_NOT_FOUND; \r
440}\r
441\r
b1f6a7c6 442/**\r
b1f6a7c6 443 Initialize PeiCore Fv List.\r
444\r
b1f6a7c6 445 @param PrivateData - Pointer to PEI_CORE_INSTANCE.\r
446 @param SecCoreData - Pointer to EFI_SEC_PEI_HAND_OFF.\r
b1f6a7c6 447**/\r
b0d803fe 448VOID \r
449PeiInitializeFv (\r
450 IN PEI_CORE_INSTANCE *PrivateData,\r
451 IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData\r
452 )\r
b0d803fe 453{\r
3b428ade 454 EFI_STATUS Status;\r
455 EFI_PEI_FIRMWARE_VOLUME_PPI *FvPpi;\r
456 EFI_PEI_FV_HANDLE FvHandle;\r
457 EFI_FIRMWARE_VOLUME_HEADER *BfvHeader;\r
458 \r
b0d803fe 459 //\r
3b428ade 460 // Install FV_PPI for FFS2 file system.\r
b0d803fe 461 //\r
3b428ade 462 PeiServicesInstallPpi (&mPeiFfs2FvPpiList);\r
890e5417
SZ		 463\r
464 //\r
465 // Install FV_PPI for FFS3 file system.\r
466 //\r
467 PeiServicesInstallPpi (&mPeiFfs3FvPpiList);\r
468\r
3b428ade 469 BfvHeader = (EFI_FIRMWARE_VOLUME_HEADER *)SecCoreData->BootFirmwareVolumeBase;\r
470 \r
471 //\r
472 // The FV_PPI in BFV's format should be installed.\r
473 //\r
474 Status = PeiServicesLocatePpi (\r
475 &BfvHeader->FileSystemGuid,\r
476 0,\r
477 NULL,\r
478 (VOID**)&FvPpi\r
479 );\r
480 ASSERT_EFI_ERROR (Status);\r
481 \r
482 //\r
483 // Get handle of BFV\r
484 //\r
485 FvPpi->ProcessVolume (\r
486 FvPpi, \r
487 SecCoreData->BootFirmwareVolumeBase,\r
488 (UINTN)BfvHeader->FvLength,\r
489 &FvHandle\r
490 );\r
dc6f9b35 491\r
492 //\r
493 // Update internal PEI_CORE_FV array.\r
494 //\r
495 PrivateData->Fv[PrivateData->FvCount].FvHeader = BfvHeader;\r
496 PrivateData->Fv[PrivateData->FvCount].FvPpi = FvPpi;\r
497 PrivateData->Fv[PrivateData->FvCount].FvHandle = FvHandle;\r
c7935105 498 PrivateData->Fv[PrivateData->FvCount].AuthenticationStatus = 0;\r
dc6f9b35 499 DEBUG ((\r
500 EFI_D_INFO, \r
501 "The %dth FV start address is 0x%11p, size is 0x%08x, handle is 0x%p\n", \r
502 (UINT32) PrivateData->FvCount, \r
503 (VOID *) BfvHeader, \r
504 BfvHeader->FvLength,\r
505 FvHandle\r
506 )); \r
507 PrivateData->FvCount ++;\r
508 \r
b0d803fe 509 //\r
c7935105 510 // Post a call-back for the FvInfoPPI and FvInfo2PPI services to expose\r
b0d803fe 511 // additional Fvs to PeiCore.\r
512 //\r
c7935105 513 Status = PeiServicesNotifyPpi (mNotifyOnFvInfoList);\r
b0d803fe 514 ASSERT_EFI_ERROR (Status);\r
515\r
516}\r
3b428ade 517 \r
b1f6a7c6 518/**\r
c7935105 519 Process Firmware Volum Information once FvInfoPPI or FvInfo2PPI install.\r
ed299e3c 520 The FV Info will be registered into PeiCore private data structure.\r
c7935105 521 And search the inside FV image, if found, the new FV INFO(2) PPI will be installed.\r
b1f6a7c6 522\r
ed299e3c 523 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r
731bd38e 524 @param NotifyDescriptor Address of the notification descriptor data structure.\r
525 @param Ppi Address of the PPI that was installed.\r
b1f6a7c6 526\r
ed299e3c 527 @retval EFI_SUCCESS The FV Info is registered into PeiCore private data structure.\r
6a1ae84a 528 @return if not EFI_SUCESS, fail to verify FV.\r
b1f6a7c6 529\r
530**/\r
b0d803fe 531EFI_STATUS\r
532EFIAPI\r
533FirmwareVolmeInfoPpiNotifyCallback (\r
534 IN EFI_PEI_SERVICES **PeiServices,\r
535 IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,\r
536 IN VOID *Ppi\r
537 )\r
b0d803fe 538{\r
c7935105 539 EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI FvInfo2Ppi;\r
3b428ade 540 EFI_PEI_FIRMWARE_VOLUME_PPI *FvPpi;\r
b0d803fe 541 PEI_CORE_INSTANCE *PrivateData;\r
288f9b38 542 EFI_STATUS Status;\r
3b428ade 543 EFI_PEI_FV_HANDLE FvHandle;\r
544 UINTN FvIndex;\r
dc6f9b35 545 EFI_PEI_FILE_HANDLE FileHandle;\r
546 VOID *DepexData;\r
387208ab 547 BOOLEAN IsFvInfo2;\r
7147077b
ZC		 548 UINTN CurFvCount;\r
549\r
288f9b38
LG		 550 Status = EFI_SUCCESS;\r
551 PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);\r
b0d803fe 552\r
c7935105
SZ		 553 if (CompareGuid (NotifyDescriptor->Guid, &gEfiPeiFirmwareVolumeInfo2PpiGuid)) {\r
554 //\r
555 // It is FvInfo2PPI.\r
556 //\r
557 CopyMem (&FvInfo2Ppi, Ppi, sizeof (EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI));\r
387208ab 558 IsFvInfo2 = TRUE;\r
c7935105
SZ		 559 } else {\r
560 //\r
561 // It is FvInfoPPI.\r
562 //\r
563 CopyMem (&FvInfo2Ppi, Ppi, sizeof (EFI_PEI_FIRMWARE_VOLUME_INFO_PPI));\r
564 FvInfo2Ppi.AuthenticationStatus = 0;\r
387208ab 565 IsFvInfo2 = FALSE;\r
c7935105 566 }\r
b0d803fe 567\r
7bd39462
SZ		 568 if (CompareGuid (&FvInfo2Ppi.FvFormat, &gEfiFirmwareFileSystem2Guid)) {\r
569 //\r
570 // gEfiFirmwareFileSystem2Guid is specified for FvFormat, then here to check the\r
571 // FileSystemGuid pointed by FvInfo against gEfiFirmwareFileSystem2Guid to make sure\r
572 // FvInfo has the firmware file system 2 format.\r
573 //\r
574 // If the ASSERT really appears, FvFormat needs to be specified correctly, for example,\r
575 // gEfiFirmwareFileSystem3Guid can be used for firmware file system 3 format, or\r
576 // ((EFI_FIRMWARE_VOLUME_HEADER *) FvInfo)->FileSystemGuid can be just used for both\r
577 // firmware file system 2 and 3 format.\r
578 //\r
579 ASSERT (CompareGuid (&(((EFI_FIRMWARE_VOLUME_HEADER *) FvInfo2Ppi.FvInfo)->FileSystemGuid), &gEfiFirmwareFileSystem2Guid));\r
580 }\r
581\r
97b2c9b5 582 //\r
3b428ade 583 // Locate the corresponding FV_PPI according to founded FV's format guid\r
97b2c9b5 584 //\r
3b428ade 585 Status = PeiServicesLocatePpi (\r
c7935105
SZ		 586 &FvInfo2Ppi.FvFormat,\r
587 0,\r
3b428ade 588 NULL,\r
589 (VOID**)&FvPpi\r
590 );\r
591 if (!EFI_ERROR (Status)) {\r
592 //\r
593 // Process new found FV and get FV handle.\r
594 //\r
c7935105 595 Status = FvPpi->ProcessVolume (FvPpi, FvInfo2Ppi.FvInfo, FvInfo2Ppi.FvInfoSize, &FvHandle);\r
3b428ade 596 if (EFI_ERROR (Status)) {\r
dc6f9b35 597 DEBUG ((EFI_D_ERROR, "Fail to process new found FV, FV may be corrupted!\n"));\r
6a1ae84a 598 return Status;\r
599 }\r
dc6f9b35 600\r
601 //\r
602 // Check whether the FV has already been processed.\r
603 //\r
604 for (FvIndex = 0; FvIndex < PrivateData->FvCount; FvIndex ++) {\r
605 if (PrivateData->Fv[FvIndex].FvHandle == FvHandle) {\r
387208ab
SZ		 606 if (IsFvInfo2 && (FvInfo2Ppi.AuthenticationStatus != PrivateData->Fv[FvIndex].AuthenticationStatus)) {\r
607 PrivateData->Fv[FvIndex].AuthenticationStatus = FvInfo2Ppi.AuthenticationStatus;\r
608 DEBUG ((EFI_D_INFO, "Update AuthenticationStatus of the %dth FV to 0x%x!\n", FvIndex, FvInfo2Ppi.AuthenticationStatus)); \r
609 }\r
c7935105 610 DEBUG ((EFI_D_INFO, "The Fv %p has already been processed!\n", FvInfo2Ppi.FvInfo));\r
dc6f9b35 611 return EFI_SUCCESS;\r
612 }\r
613 }\r
614\r
6395c642
LG		 615 if (PrivateData->FvCount >= PcdGet32 (PcdPeiCoreMaxFvSupported)) {\r
616 DEBUG ((EFI_D_ERROR, "The number of Fv Images (%d) exceed the max supported FVs (%d) in Pei", PrivateData->FvCount + 1, PcdGet32 (PcdPeiCoreMaxFvSupported)));\r
617 DEBUG ((EFI_D_ERROR, "PcdPeiCoreMaxFvSupported value need be reconfigurated in DSC"));\r
618 ASSERT (FALSE);\r
619 }\r
620\r
dc6f9b35 621 //\r
622 // Update internal PEI_CORE_FV array.\r
623 //\r
c7935105 624 PrivateData->Fv[PrivateData->FvCount].FvHeader = (EFI_FIRMWARE_VOLUME_HEADER*) FvInfo2Ppi.FvInfo;\r
dc6f9b35 625 PrivateData->Fv[PrivateData->FvCount].FvPpi = FvPpi;\r
626 PrivateData->Fv[PrivateData->FvCount].FvHandle = FvHandle;\r
c7935105 627 PrivateData->Fv[PrivateData->FvCount].AuthenticationStatus = FvInfo2Ppi.AuthenticationStatus;\r
7147077b 628 CurFvCount = PrivateData->FvCount;\r
dc6f9b35 629 DEBUG ((\r
630 EFI_D_INFO, \r
631 "The %dth FV start address is 0x%11p, size is 0x%08x, handle is 0x%p\n", \r
7147077b 632 (UINT32) CurFvCount,\r
c7935105
SZ		 633 (VOID *) FvInfo2Ppi.FvInfo, \r
634 FvInfo2Ppi.FvInfoSize,\r
dc6f9b35 635 FvHandle\r
636 )); \r
637 PrivateData->FvCount ++;\r
638\r
639 //\r
640 // Scan and process the new discoveried FV for EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE \r
641 //\r
642 FileHandle = NULL;\r
643 do {\r
644 Status = FvPpi->FindFileByType (\r
645 FvPpi,\r
646 EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE,\r
647 FvHandle,\r
648 &FileHandle\r
649 );\r
650 if (!EFI_ERROR (Status)) {\r
651 Status = FvPpi->FindSectionByType (\r
652 FvPpi,\r
653 EFI_SECTION_PEI_DEPEX,\r
654 FileHandle,\r
655 (VOID**)&DepexData\r
656 );\r
657 if (!EFI_ERROR (Status)) {\r
658 if (!PeimDispatchReadiness (PeiServices, DepexData)) {\r
659 //\r
660 // Dependency is not satisfied.\r
661 //\r
662 continue;\r
663 }\r
664 }\r
665 \r
7147077b
ZC		 666 DEBUG ((EFI_D_INFO, "Found firmware volume Image File %p in FV[%d] %p\n", FileHandle, CurFvCount, FvHandle));\r
667 ProcessFvFile (PrivateData, &PrivateData->Fv[CurFvCount], FileHandle);\r
dc6f9b35 668 }\r
669 } while (FileHandle != NULL);\r
3b428ade 670 } else {\r
c7935105 671 DEBUG ((EFI_D_ERROR, "Fail to process FV %p because no corresponding EFI_FIRMWARE_VOLUME_PPI is found!\n", FvInfo2Ppi.FvInfo));\r
6a1ae84a 672 \r
c7935105 673 AddUnknownFormatFvInfo (PrivateData, &FvInfo2Ppi);\r
288f9b38 674 }\r
3b428ade 675 \r
b0d803fe 676 return EFI_SUCCESS;\r
677}\r
678\r
8472f1f5
SZ		 679/**\r
680 Verify the Guided Section GUID by checking if there is the Guided Section GUID HOB recorded the GUID itself.\r
681\r
682 @param GuidedSectionGuid The Guided Section GUID.\r
683 @param GuidedSectionExtraction A pointer to the pointer to the supported Guided Section Extraction Ppi\r
684 for the Guided Section.\r
685\r
686 @return TRUE The GuidedSectionGuid could be identified, and the pointer to\r
687 the Guided Section Extraction Ppi will be returned to *GuidedSectionExtraction.\r
688 @return FALSE The GuidedSectionGuid could not be identified, or \r
689 the Guided Section Extraction Ppi has not been installed yet.\r
690\r
691**/\r
692BOOLEAN\r
693VerifyGuidedSectionGuid (\r
694 IN EFI_GUID *GuidedSectionGuid,\r
695 OUT EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI **GuidedSectionExtraction\r
696 )\r
697{\r
698 EFI_PEI_HOB_POINTERS Hob;\r
699 EFI_GUID *GuidRecorded;\r
700 VOID *Interface;\r
701 EFI_STATUS Status;\r
702\r
703 //\r
704 // Check if there is the Guided Section GUID HOB recorded the GUID itself.\r
705 //\r
706 Hob.Raw = GetFirstGuidHob (GuidedSectionGuid);\r
707 if (Hob.Raw != NULL) {\r
708 GuidRecorded = (EFI_GUID *) GET_GUID_HOB_DATA (Hob);\r
709 if (CompareGuid (GuidRecorded, GuidedSectionGuid)) {\r
710 //\r
711 // Found the recorded GuidedSectionGuid.\r
712 //\r
713 Status = PeiServicesLocatePpi (GuidedSectionGuid, 0, NULL, (VOID **) &Interface);\r
714 if (!EFI_ERROR (Status) && Interface != NULL) {\r
715 //\r
716 // Found the supported Guided Section Extraction Ppi for the Guided Section.\r
717 //\r
718 *GuidedSectionExtraction = (EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *) Interface;\r
719 return TRUE;\r
720 }\r
721 return FALSE;\r
722 }\r
723 }\r
724\r
725 return FALSE;\r
726}\r
727\r
b1f6a7c6 728/**\r
ed299e3c
LG		 729 Go through the file to search SectionType section. \r
730 Search within encapsulation sections (compression and GUIDed) recursively, \r
731 until the match section is found.\r
732 \r
3b428ade 733 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.\r
734 @param SectionType Filter to find only section of this type.\r
c7935105 735 @param SectionInstance Pointer to the filter to find the specific instance of section.\r
3b428ade 736 @param Section From where to search.\r
737 @param SectionSize The file size to search.\r
738 @param OutputBuffer A pointer to the discovered section, if successful.\r
ed299e3c 739 NULL if section not found\r
c7935105 740 @param AuthenticationStatus Updated upon return to point to the authentication status for this section.\r
890e5417 741 @param IsFfs3Fv Indicates the FV format.\r
b1f6a7c6 742\r
ed299e3c
LG		 743 @return EFI_NOT_FOUND The match section is not found.\r
744 @return EFI_SUCCESS The match section is found.\r
b1f6a7c6 745\r
746**/\r
b0d803fe 747EFI_STATUS\r
3b428ade 748ProcessSection (\r
b0d803fe 749 IN CONST EFI_PEI_SERVICES **PeiServices,\r
750 IN EFI_SECTION_TYPE SectionType,\r
c7935105 751 IN OUT UINTN *SectionInstance,\r
b0d803fe 752 IN EFI_COMMON_SECTION_HEADER *Section,\r
753 IN UINTN SectionSize,\r
890e5417 754 OUT VOID **OutputBuffer,\r
c7935105 755 OUT UINT32 *AuthenticationStatus,\r
890e5417 756 IN BOOLEAN IsFfs3Fv\r
b0d803fe 757 )\r
b0d803fe 758{\r
759 EFI_STATUS Status;\r
760 UINT32 SectionLength;\r
761 UINT32 ParsedLength;\r
b0d803fe 762 EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *GuidSectionPpi;\r
b0d803fe 763 EFI_PEI_DECOMPRESS_PPI *DecompressPpi;\r
764 VOID *PpiOutput;\r
765 UINTN PpiOutputSize;\r
288f9b38
LG		 766 UINTN Index;\r
767 UINT32 Authentication;\r
768 PEI_CORE_INSTANCE *PrivateData;\r
8472f1f5 769 EFI_GUID *SectionDefinitionGuid;\r
c7935105
SZ		 770 BOOLEAN SectionCached;\r
771 VOID *TempOutputBuffer;\r
772 UINT32 TempAuthenticationStatus;\r
9d8de12c 773 UINT16 GuidedSectionAttributes;\r
b0d803fe 774\r
288f9b38 775 PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);\r
b0d803fe 776 *OutputBuffer = NULL;\r
288f9b38
LG		 777 ParsedLength = 0;\r
778 Index = 0;\r
779 Status = EFI_NOT_FOUND;\r
780 PpiOutput = NULL;\r
781 PpiOutputSize = 0;\r
b0d803fe 782 while (ParsedLength < SectionSize) {\r
890e5417
SZ		 783\r
784 if (IS_SECTION2 (Section)) {\r
785 ASSERT (SECTION2_SIZE (Section) > 0x00FFFFFF);\r
786 if (!IsFfs3Fv) {\r
787 DEBUG ((EFI_D_ERROR, "Found a FFS3 formatted section in a non-FFS3 formatted FV.\n"));\r
788 SectionLength = SECTION2_SIZE (Section);\r
789 //\r
790 // SectionLength is adjusted it is 4 byte aligned.\r
791 // Go to the next section\r
792 //\r
793 SectionLength = GET_OCCUPIED_SIZE (SectionLength, 4);\r
794 ASSERT (SectionLength != 0);\r
795 ParsedLength += SectionLength;\r
796 Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) Section + SectionLength);\r
797 continue;\r
798 }\r
799 }\r
800\r
b0d803fe 801 if (Section->Type == SectionType) {\r
c7935105
SZ		 802 //\r
803 // The type matches, so check the instance count to see if it's the one we want.\r
804 //\r
805 (*SectionInstance)--;\r
806 if (*SectionInstance == 0) {\r
807 //\r
808 // Got it!\r
809 //\r
810 if (IS_SECTION2 (Section)) {\r
811 *OutputBuffer = (VOID *)((UINT8 *) Section + sizeof (EFI_COMMON_SECTION_HEADER2));\r
812 } else {\r
813 *OutputBuffer = (VOID *)((UINT8 *) Section + sizeof (EFI_COMMON_SECTION_HEADER));\r
814 }\r
815 return EFI_SUCCESS;\r
890e5417 816 } else {\r
c7935105
SZ		 817 if (IS_SECTION2 (Section)) {\r
818 SectionLength = SECTION2_SIZE (Section);\r
819 } else {\r
820 SectionLength = SECTION_SIZE (Section);\r
821 }\r
822 //\r
823 // SectionLength is adjusted it is 4 byte aligned.\r
824 // Go to the next section\r
825 //\r
826 SectionLength = GET_OCCUPIED_SIZE (SectionLength, 4);\r
827 ASSERT (SectionLength != 0);\r
828 ParsedLength += SectionLength;\r
829 Section = (EFI_COMMON_SECTION_HEADER *)((UINT8 *)Section + SectionLength);\r
830 continue;\r
890e5417 831 }\r
288f9b38
LG		 832 } else if ((Section->Type == EFI_SECTION_GUID_DEFINED) || (Section->Type == EFI_SECTION_COMPRESSION)) {\r
833 //\r
834 // Check the encapsulated section is extracted into the cache data.\r
835 //\r
c7935105 836 SectionCached = FALSE;\r
288f9b38
LG		 837 for (Index = 0; Index < PrivateData->CacheSection.AllSectionCount; Index ++) {\r
838 if (Section == PrivateData->CacheSection.Section[Index]) {\r
c7935105 839 SectionCached = TRUE;\r
288f9b38
LG		 840 PpiOutput = PrivateData->CacheSection.SectionData[Index];\r
841 PpiOutputSize = PrivateData->CacheSection.SectionSize[Index];\r
c7935105 842 Authentication = PrivateData->CacheSection.AuthenticationStatus[Index];\r
288f9b38
LG		 843 //\r
844 // Search section directly from the cache data.\r
845 //\r
c7935105
SZ		 846 TempAuthenticationStatus = 0;\r
847 Status = ProcessSection (\r
848 PeiServices,\r
849 SectionType,\r
850 SectionInstance,\r
851 PpiOutput, \r
852 PpiOutputSize, \r
853 &TempOutputBuffer,\r
854 &TempAuthenticationStatus,\r
855 IsFfs3Fv\r
3b428ade 856 );\r
c7935105
SZ		 857 if (!EFI_ERROR (Status)) {\r
858 *OutputBuffer = TempOutputBuffer;\r
859 *AuthenticationStatus = TempAuthenticationStatus | Authentication;\r
860 return EFI_SUCCESS;\r
861 }\r
b0d803fe 862 }\r
863 }\r
c7935105
SZ		 864\r
865 //\r
866 // If SectionCached is TRUE, the section data has been cached and scanned.\r
867 //\r
868 if (!SectionCached) {\r
869 Status = EFI_NOT_FOUND;\r
870 Authentication = 0;\r
871 if (Section->Type == EFI_SECTION_GUID_DEFINED) {\r
872 if (IS_SECTION2 (Section)) {\r
9d8de12c
LG		 873 SectionDefinitionGuid = &((EFI_GUID_DEFINED_SECTION2 *)Section)->SectionDefinitionGuid;\r
874 GuidedSectionAttributes = ((EFI_GUID_DEFINED_SECTION2 *)Section)->Attributes;\r
c7935105 875 } else {\r
9d8de12c
LG		 876 SectionDefinitionGuid = &((EFI_GUID_DEFINED_SECTION *)Section)->SectionDefinitionGuid;\r
877 GuidedSectionAttributes = ((EFI_GUID_DEFINED_SECTION *)Section)->Attributes;\r
c7935105
SZ		 878 }\r
879 if (VerifyGuidedSectionGuid (SectionDefinitionGuid, &GuidSectionPpi)) {\r
880 Status = GuidSectionPpi->ExtractSection (\r
881 GuidSectionPpi,\r
882 Section,\r
883 &PpiOutput,\r
884 &PpiOutputSize,\r
885 &Authentication\r
886 );\r
9d8de12c
LG		 887 } else if ((GuidedSectionAttributes & EFI_GUIDED_SECTION_PROCESSING_REQUIRED) == 0) {\r
888 //\r
889 // Figure out the proper authentication status for GUIDED section without processing required\r
890 //\r
891 Status = EFI_SUCCESS;\r
892 if ((GuidedSectionAttributes & EFI_GUIDED_SECTION_AUTH_STATUS_VALID) == EFI_GUIDED_SECTION_AUTH_STATUS_VALID) {\r
893 Authentication |= EFI_AUTH_STATUS_IMAGE_SIGNED | EFI_AUTH_STATUS_NOT_TESTED;\r
894 }\r
895 if (IS_SECTION2 (Section)) {\r
896 PpiOutputSize = SECTION2_SIZE (Section) - ((EFI_GUID_DEFINED_SECTION2 *) Section)->DataOffset;\r
897 PpiOutput = (UINT8 *) Section + ((EFI_GUID_DEFINED_SECTION2 *) Section)->DataOffset;\r
898 } else {\r
899 PpiOutputSize = SECTION_SIZE (Section) - ((EFI_GUID_DEFINED_SECTION *) Section)->DataOffset;\r
900 PpiOutput = (UINT8 *) Section + ((EFI_GUID_DEFINED_SECTION *) Section)->DataOffset;\r
901 }\r
c7935105
SZ		 902 }\r
903 } else if (Section->Type == EFI_SECTION_COMPRESSION) {\r
904 Status = PeiServicesLocatePpi (&gEfiPeiDecompressPpiGuid, 0, NULL, (VOID **) &DecompressPpi);\r
905 if (!EFI_ERROR (Status)) {\r
906 Status = DecompressPpi->Decompress (\r
907 DecompressPpi,\r
908 (CONST EFI_COMPRESSION_SECTION*) Section,\r
909 &PpiOutput,\r
910 &PpiOutputSize\r
911 );\r
912 }\r
288f9b38 913 }\r
c7935105 914\r
288f9b38 915 if (!EFI_ERROR (Status)) {\r
c7935105
SZ		 916 //\r
917 // Update cache section data.\r
918 //\r
919 if (PrivateData->CacheSection.AllSectionCount < CACHE_SETION_MAX_NUMBER) {\r
920 PrivateData->CacheSection.AllSectionCount ++;\r
921 }\r
922 PrivateData->CacheSection.Section [PrivateData->CacheSection.SectionIndex] = Section;\r
923 PrivateData->CacheSection.SectionData [PrivateData->CacheSection.SectionIndex] = PpiOutput;\r
924 PrivateData->CacheSection.SectionSize [PrivateData->CacheSection.SectionIndex] = PpiOutputSize;\r
925 PrivateData->CacheSection.AuthenticationStatus [PrivateData->CacheSection.SectionIndex] = Authentication;\r
926 PrivateData->CacheSection.SectionIndex = (PrivateData->CacheSection.SectionIndex + 1)%CACHE_SETION_MAX_NUMBER;\r
927\r
928 TempAuthenticationStatus = 0;\r
929 Status = ProcessSection (\r
930 PeiServices,\r
931 SectionType,\r
932 SectionInstance,\r
933 PpiOutput, \r
934 PpiOutputSize, \r
935 &TempOutputBuffer,\r
936 &TempAuthenticationStatus,\r
937 IsFfs3Fv\r
938 );\r
939 if (!EFI_ERROR (Status)) {\r
940 *OutputBuffer = TempOutputBuffer;\r
941 *AuthenticationStatus = TempAuthenticationStatus | Authentication;\r
942 return EFI_SUCCESS;\r
943 }\r
288f9b38 944 }\r
288f9b38 945 }\r
b0d803fe 946 }\r
947\r
890e5417
SZ		 948 if (IS_SECTION2 (Section)) {\r
949 SectionLength = SECTION2_SIZE (Section);\r
950 } else {\r
951 SectionLength = SECTION_SIZE (Section);\r
952 }\r
b0d803fe 953 //\r
b0d803fe 954 // SectionLength is adjusted it is 4 byte aligned.\r
955 // Go to the next section\r
956 //\r
b0d803fe 957 SectionLength = GET_OCCUPIED_SIZE (SectionLength, 4);\r
958 ASSERT (SectionLength != 0);\r
959 ParsedLength += SectionLength;\r
960 Section = (EFI_COMMON_SECTION_HEADER *)((UINT8 *)Section + SectionLength);\r
961 }\r
962 \r
963 return EFI_NOT_FOUND;\r
964}\r
965\r
192f6d4c 966\r
b1f6a7c6 967/**\r
3b428ade 968 Searches for the next matching section within the specified file.\r
b1f6a7c6 969\r
ed299e3c 970 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r
b1f6a7c6 971 @param SectionType Filter to find only sections of this type.\r
972 @param FileHandle Pointer to the current file to search.\r
ed299e3c 973 @param SectionData A pointer to the discovered section, if successful.\r
b1f6a7c6 974 NULL if section not found\r
975\r
3b428ade 976 @retval EFI_NOT_FOUND The section was not found.\r
977 @retval EFI_SUCCESS The section was found.\r
b1f6a7c6 978\r
979**/\r
192f6d4c 980EFI_STATUS\r
981EFIAPI\r
982PeiFfsFindSectionData (\r
3b428ade 983 IN CONST EFI_PEI_SERVICES **PeiServices,\r
192f6d4c 984 IN EFI_SECTION_TYPE SectionType,\r
0c2b5da8 985 IN EFI_PEI_FILE_HANDLE FileHandle,\r
3b428ade 986 OUT VOID **SectionData\r
192f6d4c 987 )\r
192f6d4c 988{\r
3b428ade 989 PEI_CORE_FV_HANDLE *CoreFvHandle;\r
990 \r
991 CoreFvHandle = FileHandleToVolume (FileHandle);\r
992 if ((CoreFvHandle == NULL) || (CoreFvHandle->FvPpi == NULL)) {\r
993 return EFI_NOT_FOUND;\r
994 }\r
995 \r
996 return CoreFvHandle->FvPpi->FindSectionByType (CoreFvHandle->FvPpi, SectionType, FileHandle, SectionData);\r
192f6d4c 997}\r
998\r
c7935105
SZ		 999/**\r
1000 Searches for the next matching section within the specified file.\r
1001\r
1002 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.\r
1003 @param SectionType The value of the section type to find.\r
1004 @param SectionInstance Section instance to find.\r
1005 @param FileHandle Handle of the firmware file to search.\r
1006 @param SectionData A pointer to the discovered section, if successful.\r
1007 @param AuthenticationStatus A pointer to the authentication status for this section.\r
1008\r
1009 @retval EFI_SUCCESS The section was found.\r
1010 @retval EFI_NOT_FOUND The section was not found.\r
1011\r
1012**/\r
1013EFI_STATUS\r
1014EFIAPI\r
1015PeiFfsFindSectionData3 (\r
1016 IN CONST EFI_PEI_SERVICES **PeiServices,\r
1017 IN EFI_SECTION_TYPE SectionType,\r
1018 IN UINTN SectionInstance,\r
1019 IN EFI_PEI_FILE_HANDLE FileHandle,\r
1020 OUT VOID **SectionData,\r
1021 OUT UINT32 *AuthenticationStatus\r
1022 )\r
1023{\r
1024 PEI_CORE_FV_HANDLE *CoreFvHandle;\r
1025 \r
1026 CoreFvHandle = FileHandleToVolume (FileHandle);\r
1027 if ((CoreFvHandle == NULL) || (CoreFvHandle->FvPpi == NULL)) {\r
1028 return EFI_NOT_FOUND;\r
1029 }\r
1030\r
1031 if ((CoreFvHandle->FvPpi->Signature == EFI_PEI_FIRMWARE_VOLUME_PPI_SIGNATURE) &&\r
1032 (CoreFvHandle->FvPpi->Revision == EFI_PEI_FIRMWARE_VOLUME_PPI_REVISION)) {\r
1033 return CoreFvHandle->FvPpi->FindSectionByType2 (CoreFvHandle->FvPpi, SectionType, SectionInstance, FileHandle, SectionData, AuthenticationStatus);\r
1034 }\r
1035 //\r
1036 // The old FvPpi doesn't support to find section by section instance\r
1037 // and return authentication status, so return EFI_UNSUPPORTED.\r
1038 //\r
1039 return EFI_UNSUPPORTED;\r
1040}\r
1041\r
b1f6a7c6 1042/**\r
3b428ade 1043 Searches for the next matching file in the firmware volume.\r
b1f6a7c6 1044\r
d73d93c3 1045 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.\r
b1f6a7c6 1046 @param SearchType Filter to find only files of this type.\r
1047 Type EFI_FV_FILETYPE_ALL causes no filtering to be done.\r
aa75dfec 1048 @param FvHandle Handle of firmware volume in which to search.\r
3b428ade 1049 @param FileHandle On entry, points to the current handle from which to begin searching or NULL to start\r
1050 at the beginning of the firmware volume. On exit, points the file handle of the next file\r
1051 in the volume or NULL if there are no more files.\r
1052\r
1053 @retval EFI_NOT_FOUND The file was not found.\r
1054 @retval EFI_NOT_FOUND The header checksum was not zero.\r
1055 @retval EFI_SUCCESS The file was found.\r
b1f6a7c6 1056\r
1057**/\r
192f6d4c 1058EFI_STATUS\r
1059EFIAPI\r
1060PeiFfsFindNextFile (\r
0c2b5da8 1061 IN CONST EFI_PEI_SERVICES **PeiServices,\r
1062 IN UINT8 SearchType,\r
3b428ade 1063 IN EFI_PEI_FV_HANDLE FvHandle,\r
0c2b5da8 1064 IN OUT EFI_PEI_FILE_HANDLE *FileHandle\r
192f6d4c 1065 )\r
192f6d4c 1066{\r
3b428ade 1067 PEI_CORE_FV_HANDLE *CoreFvHandle;\r
1068 \r
1069 CoreFvHandle = FvHandleToCoreHandle (FvHandle);\r
1070 \r
2f016ba8 1071 //\r
1072 // To make backward compatiblity, if can not find corresponding the handle of FV\r
890e5417 1073 // then treat FV as build-in FFS2/FFS3 format and memory mapped FV that FV handle is pointed\r
2f016ba8 1074 // to the address of first byte of FV.\r
1075 //\r
1076 if ((CoreFvHandle == NULL) && FeaturePcdGet (PcdFrameworkCompatibilitySupport)) {\r
1077 return FindFileEx (FvHandle, NULL, SearchType, FileHandle, NULL);\r
1078 } \r
1079 \r
3b428ade 1080 if ((CoreFvHandle == NULL) || CoreFvHandle->FvPpi == NULL) {\r
1081 return EFI_NOT_FOUND;\r
1082 }\r
1083 \r
1084 return CoreFvHandle->FvPpi->FindFileByType (CoreFvHandle->FvPpi, SearchType, FvHandle, FileHandle);\r
192f6d4c 1085}\r
1086\r
b0d803fe 1087\r
b1f6a7c6 1088/**\r
ed299e3c 1089 Search the firmware volumes by index\r
b1f6a7c6 1090\r
ed299e3c 1091 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r
3b428ade 1092 @param Instance This instance of the firmware volume to find. The value 0 is the Boot Firmware\r
1093 Volume (BFV).\r
1094 @param VolumeHandle On exit, points to the next volume handle or NULL if it does not exist.\r
b1f6a7c6 1095\r
3b428ade 1096 @retval EFI_INVALID_PARAMETER VolumeHandle is NULL\r
1097 @retval EFI_NOT_FOUND The volume was not found.\r
1098 @retval EFI_SUCCESS The volume was found.\r
b1f6a7c6 1099\r
1100**/\r
192f6d4c 1101EFI_STATUS \r
1102EFIAPI\r
3b428ade 1103PeiFfsFindNextVolume (\r
2a00326e 1104 IN CONST EFI_PEI_SERVICES **PeiServices,\r
192f6d4c 1105 IN UINTN Instance,\r
0c2b5da8 1106 IN OUT EFI_PEI_FV_HANDLE *VolumeHandle\r
192f6d4c 1107 )\r
192f6d4c 1108{\r
3b428ade 1109 PEI_CORE_INSTANCE *Private;\r
1110 PEI_CORE_FV_HANDLE *CoreFvHandle;\r
1111 \r
3e4c5b49 1112 if (VolumeHandle == NULL) {\r
1113 return EFI_INVALID_PARAMETER;\r
1114 }\r
1115 \r
b0d803fe 1116 Private = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);\r
2a00326e 1117 \r
3b428ade 1118 CoreFvHandle = FindNextCoreFvHandle (Private, Instance);\r
1119 if (CoreFvHandle == NULL) {\r
1120 *VolumeHandle = NULL;\r
1121 return EFI_NOT_FOUND;\r
2a00326e 1122 }\r
3b428ade 1123 \r
1124 *VolumeHandle = CoreFvHandle->FvHandle;\r
1125 \r
b0d803fe 1126 return EFI_SUCCESS;\r
1127}\r
192f6d4c 1128\r
192f6d4c 1129\r
b1f6a7c6 1130/**\r
ed299e3c 1131 Find a file within a volume by its name.\r
b1f6a7c6 1132\r
ed299e3c
LG		 1133 @param FileName A pointer to the name of the file to find within the firmware volume.\r
1134 @param VolumeHandle The firmware volume to search\r
1135 @param FileHandle Upon exit, points to the found file's handle \r
1136 or NULL if it could not be found.\r
b1f6a7c6 1137\r
ed299e3c
LG		 1138 @retval EFI_SUCCESS File was found.\r
1139 @retval EFI_NOT_FOUND File was not found.\r
1140 @retval EFI_INVALID_PARAMETER VolumeHandle or FileHandle or FileName was NULL.\r
b1f6a7c6 1141\r
b1f6a7c6 1142**/\r
b0d803fe 1143EFI_STATUS\r
1144EFIAPI \r
1145PeiFfsFindFileByName (\r
1146 IN CONST EFI_GUID *FileName,\r
1147 IN EFI_PEI_FV_HANDLE VolumeHandle,\r
1148 OUT EFI_PEI_FILE_HANDLE *FileHandle\r
1149 )\r
b0d803fe 1150{\r
3b428ade 1151 PEI_CORE_FV_HANDLE *CoreFvHandle;\r
1152 \r
b0d803fe 1153 if ((VolumeHandle == NULL) || (FileName == NULL) || (FileHandle == NULL)) {\r
192f6d4c 1154 return EFI_INVALID_PARAMETER;\r
1155 }\r
3b428ade 1156 \r
1157 CoreFvHandle = FvHandleToCoreHandle (VolumeHandle);\r
1158 if ((CoreFvHandle == NULL) || (CoreFvHandle->FvPpi == NULL)) {\r
1159 return EFI_NOT_FOUND;\r
b0d803fe 1160 }\r
3b428ade 1161 \r
1162 return CoreFvHandle->FvPpi->FindFileByName (CoreFvHandle->FvPpi, FileName, &VolumeHandle, FileHandle);\r
b0d803fe 1163}\r
1164\r
b1f6a7c6 1165/**\r
b1f6a7c6 1166 Returns information about a specific file.\r
1167\r
3b428ade 1168 @param FileHandle Handle of the file.\r
4237d40b 1169 @param FileInfo Upon exit, points to the file's information.\r
b1f6a7c6 1170\r
3b428ade 1171 @retval EFI_INVALID_PARAMETER If FileInfo is NULL.\r
1172 @retval EFI_INVALID_PARAMETER If FileHandle does not represent a valid file.\r
1173 @retval EFI_SUCCESS File information returned.\r
b1f6a7c6 1174\r
1175**/\r
b0d803fe 1176EFI_STATUS\r
1177EFIAPI \r
1178PeiFfsGetFileInfo (\r
1179 IN EFI_PEI_FILE_HANDLE FileHandle,\r
1180 OUT EFI_FV_FILE_INFO *FileInfo\r
1181 )\r
b0d803fe 1182{\r
3b428ade 1183 PEI_CORE_FV_HANDLE *CoreFvHandle;\r
1184 \r
b0d803fe 1185 if ((FileHandle == NULL) || (FileInfo == NULL)) {\r
1186 return EFI_INVALID_PARAMETER;\r
1187 }\r
1188\r
1189 //\r
1190 // Retrieve the FirmwareVolume which the file resides in.\r
1191 //\r
3b428ade 1192 CoreFvHandle = FileHandleToVolume (FileHandle);\r
1193 if ((CoreFvHandle == NULL) || (CoreFvHandle->FvPpi == NULL)) {\r
b0d803fe 1194 return EFI_INVALID_PARAMETER;\r
1195 }\r
1196\r
3b428ade 1197 return CoreFvHandle->FvPpi->GetFileInfo (CoreFvHandle->FvPpi, FileHandle, FileInfo);\r
b0d803fe 1198}\r
1199\r
c7935105
SZ		 1200/**\r
1201 Returns information about a specific file.\r
1202\r
1203 @param FileHandle Handle of the file.\r
1204 @param FileInfo Upon exit, points to the file's information.\r
1205\r
1206 @retval EFI_INVALID_PARAMETER If FileInfo is NULL.\r
1207 @retval EFI_INVALID_PARAMETER If FileHandle does not represent a valid file.\r
1208 @retval EFI_SUCCESS File information returned.\r
1209\r
1210**/\r
1211EFI_STATUS\r
1212EFIAPI \r
1213PeiFfsGetFileInfo2 (\r
1214 IN EFI_PEI_FILE_HANDLE FileHandle,\r
1215 OUT EFI_FV_FILE_INFO2 *FileInfo\r
1216 )\r
1217{\r
1218 PEI_CORE_FV_HANDLE *CoreFvHandle;\r
1219 \r
1220 if ((FileHandle == NULL) || (FileInfo == NULL)) {\r
1221 return EFI_INVALID_PARAMETER;\r
1222 }\r
1223\r
1224 //\r
1225 // Retrieve the FirmwareVolume which the file resides in.\r
1226 //\r
1227 CoreFvHandle = FileHandleToVolume (FileHandle);\r
1228 if ((CoreFvHandle == NULL) || (CoreFvHandle->FvPpi == NULL)) {\r
1229 return EFI_INVALID_PARAMETER;\r
1230 }\r
1231\r
1232 if ((CoreFvHandle->FvPpi->Signature == EFI_PEI_FIRMWARE_VOLUME_PPI_SIGNATURE) &&\r
1233 (CoreFvHandle->FvPpi->Revision == EFI_PEI_FIRMWARE_VOLUME_PPI_REVISION)) {\r
1234 return CoreFvHandle->FvPpi->GetFileInfo2 (CoreFvHandle->FvPpi, FileHandle, FileInfo);\r
1235 }\r
1236 //\r
1237 // The old FvPpi doesn't support to return file info with authentication status,\r
1238 // so return EFI_UNSUPPORTED.\r
1239 //\r
1240 return EFI_UNSUPPORTED;\r
1241}\r
b0d803fe 1242\r
b1f6a7c6 1243/**\r
3b428ade 1244 Returns information about the specified volume.\r
b1f6a7c6 1245\r
5a9403b8 1246 This function returns information about a specific firmware\r
1247 volume, including its name, type, attributes, starting address\r
1248 and size.\r
1249\r
1250 @param VolumeHandle Handle of the volume.\r
1251 @param VolumeInfo Upon exit, points to the volume's information.\r
1252\r
1253 @retval EFI_SUCCESS Volume information returned.\r
1254 @retval EFI_INVALID_PARAMETER If VolumeHandle does not represent a valid volume.\r
1255 @retval EFI_INVALID_PARAMETER If VolumeHandle is NULL.\r
1256 @retval EFI_SUCCESS Information successfully returned.\r
1257 @retval EFI_INVALID_PARAMETER The volume designated by the VolumeHandle is not available.\r
b1f6a7c6 1258\r
b1f6a7c6 1259**/\r
b0d803fe 1260EFI_STATUS\r
1261EFIAPI \r
1262PeiFfsGetVolumeInfo (\r
1263 IN EFI_PEI_FV_HANDLE VolumeHandle,\r
1264 OUT EFI_FV_INFO *VolumeInfo\r
1265 )\r
b0d803fe 1266{\r
3b428ade 1267 PEI_CORE_FV_HANDLE *CoreHandle;\r
1268 \r
8fdcc412 1269 if ((VolumeInfo == NULL) || (VolumeHandle == NULL)) {\r
b0d803fe 1270 return EFI_INVALID_PARAMETER;\r
192f6d4c 1271 }\r
288f9b38 1272 \r
3b428ade 1273 CoreHandle = FvHandleToCoreHandle (VolumeHandle);\r
1274 \r
1275 if ((CoreHandle == NULL) || (CoreHandle->FvPpi == NULL)) {\r
288f9b38
LG		 1276 return EFI_INVALID_PARAMETER;\r
1277 }\r
3b428ade 1278 \r
1279 return CoreHandle->FvPpi->GetVolumeInfo (CoreHandle->FvPpi, VolumeHandle, VolumeInfo);\r
192f6d4c 1280}\r
b0d803fe 1281\r
4c6486b9 1282/**\r
c7935105 1283 Get Fv image from the FV type file, then install FV INFO(2) ppi, Build FV hob.\r
4c6486b9 1284\r
c7935105 1285 @param PrivateData PeiCore's private data structure\r
3b428ade 1286 @param ParentFvCoreHandle Pointer of EFI_CORE_FV_HANDLE to parent Fv image that contain this Fv image.\r
97b2c9b5 1287 @param ParentFvFileHandle File handle of a Fv type file that contain this Fv image.\r
4c6486b9 1288\r
1289 @retval EFI_NOT_FOUND FV image can't be found.\r
1290 @retval EFI_SUCCESS Successfully to process it.\r
1291 @retval EFI_OUT_OF_RESOURCES Can not allocate page when aligning FV image\r
c7935105 1292 @retval EFI_SECURITY_VIOLATION Image is illegal\r
4c6486b9 1293 @retval Others Can not find EFI_SECTION_FIRMWARE_VOLUME_IMAGE section\r
1294 \r
1295**/\r
1296EFI_STATUS\r
1297ProcessFvFile (\r
c7935105 1298 IN PEI_CORE_INSTANCE *PrivateData,\r
3b428ade 1299 IN PEI_CORE_FV_HANDLE *ParentFvCoreHandle,\r
1300 IN EFI_PEI_FILE_HANDLE ParentFvFileHandle\r
4c6486b9 1301 )\r
1302{\r
3b428ade 1303 EFI_STATUS Status;\r
1304 EFI_FV_INFO ParentFvImageInfo;\r
1305 UINT32 FvAlignment;\r
1306 VOID *NewFvBuffer;\r
1307 EFI_PEI_HOB_POINTERS HobPtr;\r
1308 EFI_PEI_FIRMWARE_VOLUME_PPI *ParentFvPpi;\r
1309 EFI_PEI_FV_HANDLE ParentFvHandle;\r
1310 EFI_FIRMWARE_VOLUME_HEADER *FvHeader;\r
1311 EFI_FV_FILE_INFO FileInfo;\r
b4d856a6 1312 UINT64 FvLength;\r
c7935105 1313 UINT32 AuthenticationStatus;\r
3b428ade 1314 \r
4c6486b9 1315 //\r
1316 // Check if this EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE file has already\r
1317 // been extracted.\r
1318 //\r
1319 HobPtr.Raw = GetHobList ();\r
1320 while ((HobPtr.Raw = GetNextHob (EFI_HOB_TYPE_FV2, HobPtr.Raw)) != NULL) {\r
97b2c9b5 1321 if (CompareGuid (&(((EFI_FFS_FILE_HEADER *)ParentFvFileHandle)->Name), &HobPtr.FirmwareVolume2->FileName)) {\r
4c6486b9 1322 //\r
1323 // this FILE has been dispatched, it will not be dispatched again.\r
1324 //\r
3b428ade 1325 DEBUG ((EFI_D_INFO, "FV file %p has been dispatched!\r\n", ParentFvFileHandle));\r
4c6486b9 1326 return EFI_SUCCESS;\r
1327 }\r
1328 HobPtr.Raw = GET_NEXT_HOB (HobPtr);\r
1329 }\r
1330\r
3b428ade 1331 ParentFvHandle = ParentFvCoreHandle->FvHandle;\r
1332 ParentFvPpi = ParentFvCoreHandle->FvPpi;\r
1333 \r
4c6486b9 1334 //\r
1335 // Find FvImage in FvFile\r
1336 //\r
c7935105
SZ		 1337 AuthenticationStatus = 0;\r
1338 if ((ParentFvPpi->Signature == EFI_PEI_FIRMWARE_VOLUME_PPI_SIGNATURE) &&\r
1339 (ParentFvPpi->Revision == EFI_PEI_FIRMWARE_VOLUME_PPI_REVISION)) {\r
1340 Status = ParentFvPpi->FindSectionByType2 (\r
1341 ParentFvPpi,\r
1342 EFI_SECTION_FIRMWARE_VOLUME_IMAGE,\r
1343 0,\r
1344 ParentFvFileHandle,\r
1345 (VOID **)&FvHeader,\r
1346 &AuthenticationStatus\r
1347 );\r
1348 } else {\r
1349 Status = ParentFvPpi->FindSectionByType (\r
1350 ParentFvPpi,\r
1351 EFI_SECTION_FIRMWARE_VOLUME_IMAGE,\r
1352 ParentFvFileHandle,\r
1353 (VOID **)&FvHeader\r
1354 );\r
1355 }\r
4c6486b9 1356 if (EFI_ERROR (Status)) {\r
1357 return Status;\r
1358 }\r
97b2c9b5 1359\r
c7935105
SZ		 1360 Status = VerifyPeim (PrivateData, ParentFvHandle, ParentFvFileHandle, AuthenticationStatus);\r
1361 if (Status == EFI_SECURITY_VIOLATION) {\r
1362 return Status;\r
1363 }\r
1364\r
97b2c9b5 1365 //\r
3837e91c
SZ		 1366 // If EFI_FVB2_WEAK_ALIGNMENT is set in the volume header then the first byte of the volume\r
1367 // can be aligned on any power-of-two boundary. A weakly aligned volume can not be moved from\r
1368 // its initial linked location and maintain its alignment.\r
4c6486b9 1369 //\r
3837e91c
SZ		 1370 if ((ReadUnaligned32 (&FvHeader->Attributes) & EFI_FVB2_WEAK_ALIGNMENT) != EFI_FVB2_WEAK_ALIGNMENT) {\r
1371 //\r
1372 // FvAlignment must be greater than or equal to 8 bytes of the minimum FFS alignment value.\r
1373 //\r
1374 FvAlignment = 1 << ((ReadUnaligned32 (&FvHeader->Attributes) & EFI_FVB2_ALIGNMENT) >> 16);\r
1375 if (FvAlignment < 8) {\r
1376 FvAlignment = 8;\r
1377 }\r
1378\r
1379 //\r
1380 // Check FvImage\r
1381 //\r
1382 if ((UINTN) FvHeader % FvAlignment != 0) {\r
1383 FvLength = ReadUnaligned64 (&FvHeader->FvLength);\r
1384 NewFvBuffer = AllocateAlignedPages (EFI_SIZE_TO_PAGES ((UINT32) FvLength), FvAlignment);\r
1385 if (NewFvBuffer == NULL) {\r
1386 return EFI_OUT_OF_RESOURCES;\r
1387 }\r
1388 CopyMem (NewFvBuffer, FvHeader, (UINTN) FvLength);\r
1389 FvHeader = (EFI_FIRMWARE_VOLUME_HEADER*) NewFvBuffer;\r
4c6486b9 1390 }\r
4c6486b9 1391 }\r
3837e91c 1392\r
3b428ade 1393 Status = ParentFvPpi->GetVolumeInfo (ParentFvPpi, ParentFvHandle, &ParentFvImageInfo);\r
1394 ASSERT_EFI_ERROR (Status);\r
1395 \r
1396 Status = ParentFvPpi->GetFileInfo (ParentFvPpi, ParentFvFileHandle, &FileInfo);\r
1397 ASSERT_EFI_ERROR (Status);\r
1398 \r
4c6486b9 1399 //\r
387208ab 1400 // Install FvInfo(2) Ppi\r
9ddd7d7a
EC		 1401 // NOTE: FvInfo2 must be installed before FvInfo so that recursive processing of encapsulated\r
1402 // FVs inherit the proper AuthenticationStatus.\r
4c6486b9 1403 //\r
9ddd7d7a 1404 PeiServicesInstallFvInfo2Ppi(\r
387208ab 1405 &FvHeader->FileSystemGuid,\r
9ddd7d7a
EC		 1406 (VOID**)FvHeader,\r
1407 (UINT32)FvHeader->FvLength,\r
387208ab 1408 &ParentFvImageInfo.FvName,\r
9ddd7d7a
EC		 1409 &FileInfo.FileName,\r
1410 AuthenticationStatus\r
387208ab
SZ		 1411 );\r
1412\r
9ddd7d7a 1413 PeiServicesInstallFvInfoPpi (\r
3b428ade 1414 &FvHeader->FileSystemGuid,\r
1415 (VOID**) FvHeader,\r
1416 (UINT32) FvHeader->FvLength,\r
97b2c9b5 1417 &ParentFvImageInfo.FvName,\r
9ddd7d7a 1418 &FileInfo.FileName\r
4c6486b9 1419 );\r
1420\r
1421 //\r
1422 // Inform the extracted FvImage to Fv HOB consumer phase, i.e. DXE phase\r
4c6486b9 1423 //\r
223c22d8 1424 BuildFvHob (\r
3b428ade 1425 (EFI_PHYSICAL_ADDRESS) (UINTN) FvHeader,\r
1426 FvHeader->FvLength\r
18fcd6a7 1427 );\r
4c6486b9 1428\r
1429 //\r
1430 // Makes the encapsulated volume show up in DXE phase to skip processing of\r
1431 // encapsulated file again.\r
1432 //\r
1433 BuildFv2Hob (\r
3b428ade 1434 (EFI_PHYSICAL_ADDRESS) (UINTN) FvHeader,\r
1435 FvHeader->FvLength,\r
97b2c9b5 1436 &ParentFvImageInfo.FvName,\r
3b428ade 1437 &FileInfo.FileName\r
4c6486b9 1438 );\r
1439\r
1440 return EFI_SUCCESS;\r
1441}\r
1442\r
3b428ade 1443/**\r
1444 Process a firmware volume and create a volume handle.\r
1445\r
1446 Create a volume handle from the information in the buffer. For\r
1447 memory-mapped firmware volumes, Buffer and BufferSize refer to\r
1448 the start of the firmware volume and the firmware volume size.\r
1449 For non memory-mapped firmware volumes, this points to a\r
1450 buffer which contains the necessary information for creating\r
1451 the firmware volume handle. Normally, these values are derived\r
1452 from the EFI_FIRMWARE_VOLUME_INFO_PPI.\r
1453 \r
1454 \r
1455 @param This Points to this instance of the\r
1456 EFI_PEI_FIRMWARE_VOLUME_PPI.\r
1457 @param Buffer Points to the start of the buffer.\r
1458 @param BufferSize Size of the buffer.\r
1459 @param FvHandle Points to the returned firmware volume\r
1460 handle. The firmware volume handle must\r
1461 be unique within the system. \r
1462\r
1463 @retval EFI_SUCCESS Firmware volume handle created.\r
1464 @retval EFI_VOLUME_CORRUPTED Volume was corrupt.\r
1465\r
1466**/\r
1467EFI_STATUS\r
1468EFIAPI\r
890e5417 1469PeiFfsFvPpiProcessVolume (\r
3b428ade 1470 IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r
1471 IN VOID *Buffer,\r
1472 IN UINTN BufferSize,\r
1473 OUT EFI_PEI_FV_HANDLE *FvHandle\r
1474 )\r
1475{\r
1476 EFI_STATUS Status;\r
3b428ade 1477 \r
dc6f9b35 1478 ASSERT (FvHandle != NULL);\r
1479 \r
1480 if (Buffer == NULL) {\r
1481 return EFI_VOLUME_CORRUPTED;\r
1482 }\r
3b428ade 1483 \r
1484 //\r
890e5417 1485 // The build-in EFI_PEI_FIRMWARE_VOLUME_PPI for FFS2/FFS3 support memory-mapped\r
3b428ade 1486 // FV image and the handle is pointed to Fv image's buffer.\r
1487 //\r
1488 *FvHandle = (EFI_PEI_FV_HANDLE) Buffer;\r
1489 \r
1490 //\r
1491 // Do verify for given FV buffer.\r
1492 //\r
1493 Status = VerifyFv ((EFI_FIRMWARE_VOLUME_HEADER*) Buffer);\r
1494 if (EFI_ERROR(Status)) {\r
1495 DEBUG ((EFI_D_ERROR, "Fail to verify FV which address is 0x%11p", Buffer));\r
1496 return EFI_VOLUME_CORRUPTED;\r
1497 }\r
1498\r
3b428ade 1499 return EFI_SUCCESS;\r
1500} \r
1501\r
1502/**\r
1503 Finds the next file of the specified type.\r
1504\r
1505 This service enables PEI modules to discover additional firmware files. \r
1506 The FileHandle must be unique within the system.\r
1507\r
1508 @param This Points to this instance of the\r
1509 EFI_PEI_FIRMWARE_VOLUME_PPI.\r
1510 @param SearchType A filter to find only files of this type. Type\r
1511 EFI_FV_FILETYPE_ALL causes no filtering to be\r
1512 done.\r
1513 @param FvHandle Handle of firmware volume in which to\r
1514 search.\r
1515 @param FileHandle Points to the current handle from which to\r
1516 begin searching or NULL to start at the\r
1517 beginning of the firmware volume. Updated\r
1518 upon return to reflect the file found.\r
1519\r
1520 @retval EFI_SUCCESS The file was found.\r
1521 @retval EFI_NOT_FOUND The file was not found. FileHandle contains NULL.\r
1522\r
1523**/\r
1524EFI_STATUS\r
1525EFIAPI\r
890e5417 1526PeiFfsFvPpiFindFileByType (\r
3b428ade 1527 IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r
1528 IN EFI_FV_FILETYPE SearchType,\r
1529 IN EFI_PEI_FV_HANDLE FvHandle,\r
1530 IN OUT EFI_PEI_FILE_HANDLE *FileHandle\r
1531 )\r
1532{ \r
1533 return FindFileEx (FvHandle, NULL, SearchType, FileHandle, NULL);\r
1534}\r
1535\r
1536/**\r
1537 Find a file within a volume by its name. \r
1538 \r
1539 This service searches for files with a specific name, within\r
1540 either the specified firmware volume or all firmware volumes.\r
1541\r
1542 @param This Points to this instance of the\r
1543 EFI_PEI_FIRMWARE_VOLUME_PPI.\r
1544 @param FileName A pointer to the name of the file to find\r
1545 within the firmware volume.\r
1546 @param FvHandle Upon entry, the pointer to the firmware\r
1547 volume to search or NULL if all firmware\r
1548 volumes should be searched. Upon exit, the\r
1549 actual firmware volume in which the file was\r
1550 found.\r
1551 @param FileHandle Upon exit, points to the found file's\r
1552 handle or NULL if it could not be found.\r
1553\r
1554 @retval EFI_SUCCESS File was found.\r
1555 @retval EFI_NOT_FOUND File was not found.\r
1556 @retval EFI_INVALID_PARAMETER FvHandle or FileHandle or\r
1557 FileName was NULL.\r
1558\r
1559\r
1560**/\r
1561EFI_STATUS\r
1562EFIAPI\r
890e5417 1563PeiFfsFvPpiFindFileByName (\r
3b428ade 1564 IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r
1565 IN CONST EFI_GUID *FileName,\r
1566 IN EFI_PEI_FV_HANDLE *FvHandle,\r
1567 OUT EFI_PEI_FILE_HANDLE *FileHandle \r
1568 )\r
1569{\r
1570 EFI_STATUS Status;\r
1571 PEI_CORE_INSTANCE *PrivateData;\r
1572 UINTN Index;\r
1573 \r
1574 if ((FvHandle == NULL) || (FileName == NULL) || (FileHandle == NULL)) {\r
1575 return EFI_INVALID_PARAMETER;\r
1576 }\r
1577 \r
1578 if (*FvHandle != NULL) {\r
1579 Status = FindFileEx (*FvHandle, FileName, 0, FileHandle, NULL);\r
1580 if (Status == EFI_NOT_FOUND) {\r
1581 *FileHandle = NULL;\r
1582 }\r
1583 } else { \r
1584 //\r
1585 // If *FvHandle = NULL, so search all FV for given filename\r
1586 //\r
1587 Status = EFI_NOT_FOUND;\r
1588 \r
1589 PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (GetPeiServicesTablePointer());\r
1590 for (Index = 0; Index < PrivateData->FvCount; Index ++) {\r
1591 //\r
1592 // Only search the FV which is associated with a EFI_PEI_FIRMWARE_VOLUME_PPI instance.\r
1593 //\r
1594 if (PrivateData->Fv[Index].FvPpi != NULL) {\r
1595 Status = FindFileEx (PrivateData->Fv[Index].FvHandle, FileName, 0, FileHandle, NULL);\r
1596 if (!EFI_ERROR (Status)) {\r
1597 *FvHandle = PrivateData->Fv[Index].FvHandle;\r
1c738c8f 1598 break;\r
3b428ade 1599 }\r
1600 }\r
1601 }\r
1602 }\r
1603 \r
1604 return Status; \r
1605} \r
1606\r
1607/**\r
1608 Returns information about a specific file.\r
1609\r
1610 This function returns information about a specific\r
1611 file, including its file name, type, attributes, starting\r
1612 address and size. \r
1613 \r
1614 @param This Points to this instance of the\r
1615 EFI_PEI_FIRMWARE_VOLUME_PPI.\r
1616 @param FileHandle Handle of the file.\r
1617 @param FileInfo Upon exit, points to the file's\r
1618 information.\r
1619\r
1620 @retval EFI_SUCCESS File information returned.\r
1621 @retval EFI_INVALID_PARAMETER If FileHandle does not\r
1622 represent a valid file.\r
1623 @retval EFI_INVALID_PARAMETER If FileInfo is NULL.\r
1624 \r
1625**/ \r
1626EFI_STATUS\r
1627EFIAPI\r
890e5417 1628PeiFfsFvPpiGetFileInfo (\r
3b428ade 1629 IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This, \r
1630 IN EFI_PEI_FILE_HANDLE FileHandle, \r
1631 OUT EFI_FV_FILE_INFO *FileInfo\r
1632 )\r
1633{\r
1634 UINT8 FileState;\r
1635 UINT8 ErasePolarity;\r
1636 EFI_FFS_FILE_HEADER *FileHeader;\r
1637 PEI_CORE_FV_HANDLE *CoreFvHandle;\r
890e5417
SZ		 1638 PEI_FW_VOL_INSTANCE *FwVolInstance;\r
1639\r
3b428ade 1640 if ((FileHandle == NULL) || (FileInfo == NULL)) {\r
1641 return EFI_INVALID_PARAMETER;\r
1642 }\r
1643\r
1644 //\r
1645 // Retrieve the FirmwareVolume which the file resides in.\r
1646 //\r
1647 CoreFvHandle = FileHandleToVolume (FileHandle);\r
1648 if (CoreFvHandle == NULL) {\r
1649 return EFI_INVALID_PARAMETER;\r
1650 }\r
1651\r
890e5417
SZ		 1652 FwVolInstance = PEI_FW_VOL_INSTANCE_FROM_FV_THIS (This);\r
1653\r
4140a663 1654 if ((CoreFvHandle->FvHeader->Attributes & EFI_FVB2_ERASE_POLARITY) != 0) {\r
3b428ade 1655 ErasePolarity = 1;\r
1656 } else {\r
1657 ErasePolarity = 0;\r
1658 }\r
1659\r
1660 //\r
1661 // Get FileState which is the highest bit of the State \r
1662 //\r
1663 FileState = GetFileState (ErasePolarity, (EFI_FFS_FILE_HEADER*)FileHandle);\r
1664\r
1665 switch (FileState) {\r
1666 case EFI_FILE_DATA_VALID:\r
1667 case EFI_FILE_MARKED_FOR_UPDATE:\r
1668 break; \r
1669 default:\r
1670 return EFI_INVALID_PARAMETER;\r
1671 }\r
1672\r
1673 FileHeader = (EFI_FFS_FILE_HEADER *)FileHandle;\r
890e5417
SZ		 1674 if (IS_FFS_FILE2 (FileHeader)) {\r
1675 ASSERT (FFS_FILE2_SIZE (FileHeader) > 0x00FFFFFF);\r
1676 if (!FwVolInstance->IsFfs3Fv) {\r
1677 DEBUG ((EFI_D_ERROR, "It is a FFS3 formatted file: %g in a non-FFS3 formatted FV.\n", &FileHeader->Name));\r
1678 return EFI_INVALID_PARAMETER;\r
1679 }\r
1680 FileInfo->BufferSize = FFS_FILE2_SIZE (FileHeader) - sizeof (EFI_FFS_FILE_HEADER2);\r
1681 FileInfo->Buffer = (UINT8 *) FileHeader + sizeof (EFI_FFS_FILE_HEADER2);\r
1682 } else {\r
1683 FileInfo->BufferSize = FFS_FILE_SIZE (FileHeader) - sizeof (EFI_FFS_FILE_HEADER);\r
1684 FileInfo->Buffer = (UINT8 *) FileHeader + sizeof (EFI_FFS_FILE_HEADER);\r
1685 }\r
c7935105
SZ		 1686 CopyMem (&FileInfo->FileName, &FileHeader->Name, sizeof(EFI_GUID));\r
1687 FileInfo->FileType = FileHeader->Type;\r
1688 FileInfo->FileAttributes = FfsAttributes2FvFileAttributes (FileHeader->Attributes);\r
1689 if ((CoreFvHandle->FvHeader->Attributes & EFI_FVB2_MEMORY_MAPPED) == EFI_FVB2_MEMORY_MAPPED) {\r
1690 FileInfo->FileAttributes |= EFI_FV_FILE_ATTRIB_MEMORY_MAPPED;\r
1691 }\r
1692 return EFI_SUCCESS;\r
1693}\r
1694\r
1695/**\r
1696 Returns information about a specific file.\r
1697\r
1698 This function returns information about a specific\r
1699 file, including its file name, type, attributes, starting\r
1700 address, size and authentication status.\r
1701\r
1702 @param This Points to this instance of the\r
1703 EFI_PEI_FIRMWARE_VOLUME_PPI.\r
1704 @param FileHandle Handle of the file.\r
1705 @param FileInfo Upon exit, points to the file's\r
1706 information.\r
1707\r
1708 @retval EFI_SUCCESS File information returned.\r
1709 @retval EFI_INVALID_PARAMETER If FileHandle does not\r
1710 represent a valid file.\r
1711 @retval EFI_INVALID_PARAMETER If FileInfo is NULL.\r
1712\r
1713**/\r
1714EFI_STATUS\r
1715EFIAPI\r
1716PeiFfsFvPpiGetFileInfo2 (\r
1717 IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This, \r
1718 IN EFI_PEI_FILE_HANDLE FileHandle, \r
1719 OUT EFI_FV_FILE_INFO2 *FileInfo\r
1720 )\r
1721{\r
1722 EFI_STATUS Status;\r
1723 PEI_CORE_FV_HANDLE *CoreFvHandle;\r
1724\r
1725 if ((FileHandle == NULL) || (FileInfo == NULL)) {\r
1726 return EFI_INVALID_PARAMETER;\r
1727 }\r
1728\r
1729 //\r
1730 // Retrieve the FirmwareVolume which the file resides in.\r
1731 //\r
1732 CoreFvHandle = FileHandleToVolume (FileHandle);\r
1733 if (CoreFvHandle == NULL) {\r
1734 return EFI_INVALID_PARAMETER;\r
1735 }\r
1736\r
1737 Status = PeiFfsFvPpiGetFileInfo (This, FileHandle, (EFI_FV_FILE_INFO *) FileInfo);\r
1738 if (!EFI_ERROR (Status)) {\r
1739 FileInfo->AuthenticationStatus = CoreFvHandle->AuthenticationStatus;\r
1740 }\r
1741\r
1742 return Status;\r
1743}\r
1744\r
3b428ade 1745/**\r
1746 This function returns information about the firmware volume.\r
1747 \r
1748 @param This Points to this instance of the\r
1749 EFI_PEI_FIRMWARE_VOLUME_PPI.\r
1750 @param FvHandle Handle to the firmware handle.\r
1751 @param VolumeInfo Points to the returned firmware volume\r
1752 information.\r
1753\r
1754 @retval EFI_SUCCESS Information returned successfully.\r
1755 @retval EFI_INVALID_PARAMETER FvHandle does not indicate a valid\r
1756 firmware volume or VolumeInfo is NULL.\r
1757\r
1758**/ \r
1759EFI_STATUS\r
1760EFIAPI\r
890e5417 1761PeiFfsFvPpiGetVolumeInfo (\r
3b428ade 1762 IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This, \r
1763 IN EFI_PEI_FV_HANDLE FvHandle, \r
1764 OUT EFI_FV_INFO *VolumeInfo\r
1765 )\r
1766{\r
1767 EFI_FIRMWARE_VOLUME_HEADER FwVolHeader;\r
1768 EFI_FIRMWARE_VOLUME_EXT_HEADER *FwVolExHeaderInfo;\r
1769\r
8fdcc412 1770 if ((VolumeInfo == NULL) || (FvHandle == NULL)) {\r
3b428ade 1771 return EFI_INVALID_PARAMETER;\r
1772 }\r
1773 \r
1774 //\r
1775 // VolumeHandle may not align at 8 byte, \r
1776 // but FvLength is UINT64 type, which requires FvHeader align at least 8 byte. \r
1777 // So, Copy FvHeader into the local FvHeader structure.\r
1778 //\r
1779 CopyMem (&FwVolHeader, FvHandle, sizeof (EFI_FIRMWARE_VOLUME_HEADER));\r
1780\r
1781 //\r
1782 // Check Fv Image Signature\r
1783 //\r
1784 if (FwVolHeader.Signature != EFI_FVH_SIGNATURE) {\r
1785 return EFI_INVALID_PARAMETER;\r
1786 }\r
1787\r
1788 ZeroMem (VolumeInfo, sizeof (EFI_FV_INFO));\r
1789 VolumeInfo->FvAttributes = FwVolHeader.Attributes;\r
1790 VolumeInfo->FvStart = (VOID *) FvHandle;\r
1791 VolumeInfo->FvSize = FwVolHeader.FvLength;\r
1792 CopyMem (&VolumeInfo->FvFormat, &FwVolHeader.FileSystemGuid, sizeof(EFI_GUID));\r
1793\r
1794 if (FwVolHeader.ExtHeaderOffset != 0) {\r
1795 FwVolExHeaderInfo = (EFI_FIRMWARE_VOLUME_EXT_HEADER*)(((UINT8 *)FvHandle) + FwVolHeader.ExtHeaderOffset);\r
1796 CopyMem (&VolumeInfo->FvName, &FwVolExHeaderInfo->FvName, sizeof(EFI_GUID));\r
1797 }\r
1798 \r
1799 return EFI_SUCCESS; \r
1800} \r
1801\r
1802/**\r
1803 Find the next matching section in the firmware file.\r
1804 \r
1805 This service enables PEI modules to discover sections\r
1806 of a given type within a valid file.\r
1807 \r
1808 @param This Points to this instance of the\r
1809 EFI_PEI_FIRMWARE_VOLUME_PPI.\r
1810 @param SearchType A filter to find only sections of this\r
1811 type.\r
1812 @param FileHandle Handle of firmware file in which to\r
1813 search.\r
890e5417 1814 @param SectionData Updated upon return to point to the\r
3b428ade 1815 section found.\r
1816 \r
1817 @retval EFI_SUCCESS Section was found.\r
1818 @retval EFI_NOT_FOUND Section of the specified type was not\r
1819 found. SectionData contains NULL.\r
1820**/\r
1821EFI_STATUS\r
1822EFIAPI\r
890e5417 1823PeiFfsFvPpiFindSectionByType (\r
3b428ade 1824 IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r
1825 IN EFI_SECTION_TYPE SearchType,\r
1826 IN EFI_PEI_FILE_HANDLE FileHandle,\r
1827 OUT VOID **SectionData\r
1828 )\r
1829{\r
c7935105
SZ		 1830 UINT32 AuthenticationStatus;\r
1831 return PeiFfsFvPpiFindSectionByType2 (This, SearchType, 0, FileHandle, SectionData, &AuthenticationStatus);\r
1832}\r
1833\r
1834/**\r
1835 Find the next matching section in the firmware file.\r
1836\r
1837 This service enables PEI modules to discover sections\r
1838 of a given instance and type within a valid file.\r
1839\r
1840 @param This Points to this instance of the\r
1841 EFI_PEI_FIRMWARE_VOLUME_PPI.\r
1842 @param SearchType A filter to find only sections of this\r
1843 type.\r
1844 @param SearchInstance A filter to find the specific instance\r
1845 of sections.\r
1846 @param FileHandle Handle of firmware file in which to\r
1847 search.\r
1848 @param SectionData Updated upon return to point to the\r
1849 section found.\r
1850 @param AuthenticationStatus Updated upon return to point to the\r
1851 authentication status for this section.\r
1852\r
1853 @retval EFI_SUCCESS Section was found.\r
1854 @retval EFI_NOT_FOUND Section of the specified type was not\r
1855 found. SectionData contains NULL.\r
1856**/\r
1857EFI_STATUS\r
1858EFIAPI\r
1859PeiFfsFvPpiFindSectionByType2 (\r
1860 IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r
1861 IN EFI_SECTION_TYPE SearchType,\r
1862 IN UINTN SearchInstance,\r
1863 IN EFI_PEI_FILE_HANDLE FileHandle,\r
1864 OUT VOID **SectionData,\r
1865 OUT UINT32 *AuthenticationStatus\r
1866 )\r
1867{\r
1868 EFI_STATUS Status;\r
3b428ade 1869 EFI_FFS_FILE_HEADER *FfsFileHeader;\r
1870 UINT32 FileSize;\r
1871 EFI_COMMON_SECTION_HEADER *Section;\r
890e5417 1872 PEI_FW_VOL_INSTANCE *FwVolInstance;\r
c7935105
SZ		 1873 PEI_CORE_FV_HANDLE *CoreFvHandle;\r
1874 UINTN Instance;\r
1875 UINT32 ExtractedAuthenticationStatus;\r
1876\r
1877 if (SectionData == NULL) {\r
1878 return EFI_NOT_FOUND;\r
1879 }\r
890e5417
SZ		 1880\r
1881 FwVolInstance = PEI_FW_VOL_INSTANCE_FROM_FV_THIS (This);\r
1882\r
c7935105
SZ		 1883 //\r
1884 // Retrieve the FirmwareVolume which the file resides in.\r
1885 //\r
1886 CoreFvHandle = FileHandleToVolume (FileHandle);\r
1887 if (CoreFvHandle == NULL) {\r
1888 return EFI_NOT_FOUND;\r
1889 }\r
1890\r
3b428ade 1891 FfsFileHeader = (EFI_FFS_FILE_HEADER *)(FileHandle);\r
1892\r
890e5417
SZ		 1893 if (IS_FFS_FILE2 (FfsFileHeader)) {\r
1894 ASSERT (FFS_FILE2_SIZE (FfsFileHeader) > 0x00FFFFFF);\r
1895 if (!FwVolInstance->IsFfs3Fv) {\r
1896 DEBUG ((EFI_D_ERROR, "It is a FFS3 formatted file: %g in a non-FFS3 formatted FV.\n", &FfsFileHeader->Name));\r
1897 return EFI_NOT_FOUND;\r
1898 }\r
1899 Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER2));\r
1900 FileSize = FFS_FILE2_SIZE (FfsFileHeader) - sizeof (EFI_FFS_FILE_HEADER2);\r
1901 } else {\r
1902 Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER));\r
1903 FileSize = FFS_FILE_SIZE (FfsFileHeader) - sizeof (EFI_FFS_FILE_HEADER);\r
1904 }\r
3b428ade 1905\r
c7935105
SZ		 1906 Instance = SearchInstance + 1;\r
1907 ExtractedAuthenticationStatus = 0;\r
1908 Status = ProcessSection (\r
1909 GetPeiServicesTablePointer (),\r
1910 SearchType,\r
1911 &Instance,\r
1912 Section, \r
1913 FileSize, \r
1914 SectionData,\r
1915 &ExtractedAuthenticationStatus,\r
1916 FwVolInstance->IsFfs3Fv\r
1917 );\r
1918 if (!EFI_ERROR (Status)) {\r
1919 //\r
1920 // Inherit the authentication status.\r
1921 //\r
1922 *AuthenticationStatus = ExtractedAuthenticationStatus | CoreFvHandle->AuthenticationStatus;\r
1923 }\r
1924 return Status;\r
1925}\r
3b428ade 1926\r
1927/**\r
1928 Convert the handle of FV to pointer of corresponding PEI_CORE_FV_HANDLE.\r
1929 \r
1930 @param FvHandle The handle of a FV.\r
1931 \r
1932 @retval NULL if can not find.\r
1933 @return Pointer of corresponding PEI_CORE_FV_HANDLE. \r
1934**/\r
1935PEI_CORE_FV_HANDLE *\r
1936FvHandleToCoreHandle (\r
1937 IN EFI_PEI_FV_HANDLE FvHandle\r
1938 )\r
1939{\r
1940 UINTN Index;\r
1941 PEI_CORE_INSTANCE *PrivateData;\r
1942 \r
1943 PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (GetPeiServicesTablePointer()); \r
1944 for (Index = 0; Index < PrivateData->FvCount; Index ++) {\r
1945 if (FvHandle == PrivateData->Fv[Index].FvHandle) {\r
1946 return &PrivateData->Fv[Index];\r
1947 }\r
1948 }\r
1949 \r
1950 return NULL;\r
1951} \r
1952\r
1953/**\r
1954 Get instance of PEI_CORE_FV_HANDLE for next volume according to given index.\r
1955 \r
1956 This routine also will install FvInfo ppi for FV hob in PI ways.\r
1957 \r
1958 @param Private Pointer of PEI_CORE_INSTANCE\r
1959 @param Instance The index of FV want to be searched.\r
1960 \r
1961 @return Instance of PEI_CORE_FV_HANDLE.\r
1962**/\r
1963PEI_CORE_FV_HANDLE *\r
1964FindNextCoreFvHandle (\r
1965 IN PEI_CORE_INSTANCE *Private,\r
1966 IN UINTN Instance\r
1967 )\r
1968{\r
1969 UINTN Index;\r
1970 BOOLEAN Match;\r
1971 EFI_HOB_FIRMWARE_VOLUME *FvHob;\r
1972 \r
1973 //\r
1974 // Handle Framework FvHob and Install FvInfo Ppi for it.\r
1975 //\r
1976 if (FeaturePcdGet (PcdFrameworkCompatibilitySupport)) {\r
1977 //\r
1978 // Loop to search the wanted FirmwareVolume which supports FFS\r
1979 //\r
1980 FvHob = (EFI_HOB_FIRMWARE_VOLUME *)GetFirstHob (EFI_HOB_TYPE_FV);\r
1981 while (FvHob != NULL) {\r
20ead725 1982 //\r
1983 // Search whether FvHob has been installed into PeiCore's FV database.\r
1984 // If found, no need install new FvInfoPpi for it.\r
1985 //\r
3b428ade 1986 for (Index = 0, Match = FALSE; Index < Private->FvCount; Index++) {\r
1987 if ((EFI_PEI_FV_HANDLE)(UINTN)FvHob->BaseAddress == Private->Fv[Index].FvHeader) {\r
1988 Match = TRUE;\r
1989 break;\r
1990 }\r
1991 }\r
20ead725 1992 \r
3b428ade 1993 //\r
20ead725 1994 // Search whether FvHob has been cached into PeiCore's Unknown FV database.\r
1995 // If found, no need install new FvInfoPpi for it.\r
1996 //\r
1997 if (!Match) {\r
1998 for (Index = 0; Index < Private->UnknownFvInfoCount; Index ++) {\r
1999 if ((UINTN)FvHob->BaseAddress == (UINTN)Private->UnknownFvInfo[Index].FvInfo) {\r
2000 Match = TRUE;\r
2001 break;\r
2002 }\r
2003 }\r
2004 }\r
2005\r
2006 //\r
2007 // If the Fv in FvHob has not been installed into PeiCore's FV database and has\r
2008 // not been cached into PeiCore's Unknown FV database, install a new FvInfoPpi\r
2009 // for it then PeiCore will dispatch it in callback of FvInfoPpi.\r
3b428ade 2010 //\r
2011 if (!Match) {\r
2012 PeiServicesInstallFvInfoPpi (\r
2013 &(((EFI_FIRMWARE_VOLUME_HEADER *)(UINTN)FvHob->BaseAddress)->FileSystemGuid),\r
2014 (VOID *)(UINTN)FvHob->BaseAddress,\r
2015 (UINT32)FvHob->Length,\r
2016 NULL,\r
2017 NULL\r
2018 );\r
2019 }\r
20ead725 2020 \r
3b428ade 2021 FvHob = (EFI_HOB_FIRMWARE_VOLUME *)GetNextHob (EFI_HOB_TYPE_FV, (VOID *)((UINTN)FvHob + FvHob->Header.HobLength)); \r
2022 }\r
2023 }\r
2024\r
fe781940 2025 ASSERT (Private->FvCount <= PcdGet32 (PcdPeiCoreMaxFvSupported));\r
3b428ade 2026 if (Instance >= Private->FvCount) {\r
2027 return NULL;\r
2028 }\r
4c6486b9 2029\r
3b428ade 2030 return &Private->Fv[Instance];\r
2031} \r
8e0e40ed 2032\r
2033/**\r
2034 After PeiCore image is shadowed into permanent memory, all build-in FvPpi should\r
2035 be re-installed with the instance in permanent memory and all cached FvPpi pointers in \r
6393d9c8 2036 PrivateData->Fv[] array should be fixed up to be pointed to the one in permanent\r
8e0e40ed 2037 memory.\r
2038 \r
2039 @param PrivateData Pointer to PEI_CORE_INSTANCE.\r
2040**/ \r
2041VOID\r
2042PeiReinitializeFv (\r
2043 IN PEI_CORE_INSTANCE *PrivateData\r
2044 )\r
2045{\r
890e5417 2046 VOID *OldFfsFvPpi;\r
7ec93917 2047 EFI_PEI_PPI_DESCRIPTOR *OldDescriptor;\r
2048 UINTN Index;\r
2049 EFI_STATUS Status;\r
2050\r
2051 //\r
2052 // Locate old build-in Ffs2 EFI_PEI_FIRMWARE_VOLUME_PPI which\r
2053 // in flash.\r
2054 //\r
2055 Status = PeiServicesLocatePpi (\r
2056 &gEfiFirmwareFileSystem2Guid,\r
2057 0,\r
2058 &OldDescriptor,\r
890e5417 2059 &OldFfsFvPpi\r
7ec93917 2060 );\r
2061 ASSERT_EFI_ERROR (Status);\r
2062\r
2063 //\r
2064 // Re-install the EFI_PEI_FIRMWARE_VOLUME_PPI for build-in Ffs2\r
2065 // which is shadowed from flash to permanent memory within PeiCore image.\r
2066 //\r
2067 Status = PeiServicesReInstallPpi (OldDescriptor, &mPeiFfs2FvPpiList);\r
2068 ASSERT_EFI_ERROR (Status);\r
890e5417 2069\r
7ec93917 2070 //\r
2071 // Fixup all FvPpi pointers for the implementation in flash to permanent memory.\r
2072 //\r
fe781940 2073 for (Index = 0; Index < PcdGet32 (PcdPeiCoreMaxFvSupported); Index ++) {\r
890e5417
SZ		 2074 if (PrivateData->Fv[Index].FvPpi == OldFfsFvPpi) {\r
2075 PrivateData->Fv[Index].FvPpi = &mPeiFfs2FwVol.Fv;\r
7ec93917 2076 }\r
2077 }\r
890e5417
SZ		 2078\r
2079 //\r
2080 // Locate old build-in Ffs3 EFI_PEI_FIRMWARE_VOLUME_PPI which\r
2081 // in flash.\r
2082 //\r
2083 Status = PeiServicesLocatePpi (\r
2084 &gEfiFirmwareFileSystem3Guid,\r
2085 0,\r
2086 &OldDescriptor,\r
2087 &OldFfsFvPpi\r
2088 );\r
2089 ASSERT_EFI_ERROR (Status);\r
2090\r
2091 //\r
2092 // Re-install the EFI_PEI_FIRMWARE_VOLUME_PPI for build-in Ffs3\r
2093 // which is shadowed from flash to permanent memory within PeiCore image.\r
2094 //\r
2095 Status = PeiServicesReInstallPpi (OldDescriptor, &mPeiFfs3FvPpiList);\r
2096 ASSERT_EFI_ERROR (Status);\r
2097\r
2098 //\r
2099 // Fixup all FvPpi pointers for the implementation in flash to permanent memory.\r
2100 //\r
fe781940 2101 for (Index = 0; Index < PcdGet32 (PcdPeiCoreMaxFvSupported); Index ++) {\r
890e5417
SZ		 2102 if (PrivateData->Fv[Index].FvPpi == OldFfsFvPpi) {\r
2103 PrivateData->Fv[Index].FvPpi = &mPeiFfs3FwVol.Fv;\r
2104 }\r
2105 }\r
2106}\r
8e0e40ed 2107\r
f3358329 2108/**\r
2109 Report the information for a new discoveried FV in unknown third-party format.\r
2110 \r
2111 If the EFI_PEI_FIRMWARE_VOLUME_PPI has not been installed for third-party FV format, but\r
c7935105 2112 the FV in this format has been discoveried, then this FV's information will be cached into\r
f3358329 2113 PEI_CORE_INSTANCE's UnknownFvInfo array.\r
2114 Also a notification would be installed for unknown third-party FV format guid, if EFI_PEI_FIRMWARE_VOLUME_PPI\r
2115 is installed later by platform's PEIM, the original unknown third-party FV will be processed by\r
2116 using new installed EFI_PEI_FIRMWARE_VOLUME_PPI.\r
2117 \r
2118 @param PrivateData Point to instance of PEI_CORE_INSTANCE\r
c7935105 2119 @param FvInfo2Ppi Point to FvInfo2 PPI.\r
f3358329 2120 \r
2121 @retval EFI_OUT_OF_RESOURCES The FV info array in PEI_CORE_INSTANCE has no more spaces.\r
2122 @retval EFI_SUCCESS Success to add the information for unknown FV.\r
2123**/\r
2124EFI_STATUS\r
2125AddUnknownFormatFvInfo (\r
c7935105
SZ		 2126 IN PEI_CORE_INSTANCE *PrivateData,\r
2127 IN EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI *FvInfo2Ppi\r
f3358329 2128 )\r
2129{\r
2130 PEI_CORE_UNKNOW_FORMAT_FV_INFO *NewUnknownFv;\r
2131 \r
fe781940 2132 if (PrivateData->UnknownFvInfoCount + 1 >= PcdGet32 (PcdPeiCoreMaxFvSupported)) {\r
f3358329 2133 return EFI_OUT_OF_RESOURCES;\r
2134 }\r
2135 \r
2136 NewUnknownFv = &PrivateData->UnknownFvInfo[PrivateData->UnknownFvInfoCount];\r
2137 PrivateData->UnknownFvInfoCount ++;\r
2138 \r
c7935105
SZ		 2139 CopyGuid (&NewUnknownFv->FvFormat, &FvInfo2Ppi->FvFormat);\r
2140 NewUnknownFv->FvInfo = FvInfo2Ppi->FvInfo;\r
2141 NewUnknownFv->FvInfoSize = FvInfo2Ppi->FvInfoSize;\r
2142 NewUnknownFv->AuthenticationStatus = FvInfo2Ppi->AuthenticationStatus;\r
f3358329 2143 NewUnknownFv->NotifyDescriptor.Flags = (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST);\r
2144 NewUnknownFv->NotifyDescriptor.Guid = &NewUnknownFv->FvFormat;\r
2145 NewUnknownFv->NotifyDescriptor.Notify = ThirdPartyFvPpiNotifyCallback;\r
2146 \r
2147 PeiServicesNotifyPpi (&NewUnknownFv->NotifyDescriptor);\r
2148 return EFI_SUCCESS;\r
2149}\r
2150\r
2151/**\r
2152 Find the FV information according to third-party FV format guid.\r
2153 \r
2154 This routine also will remove the FV information found by given FV format guid from\r
2155 PrivateData->UnknownFvInfo[].\r
2156 \r
2157 @param PrivateData Point to instance of PEI_CORE_INSTANCE\r
2158 @param Format Point to given FV format guid\r
2159 @param FvInfo On return, the pointer of FV information buffer\r
2160 @param FvInfoSize On return, the size of FV information buffer.\r
c7935105 2161 @param AuthenticationStatus On return, the authentication status of FV information buffer.\r
f3358329 2162 \r
2163 @retval EFI_NOT_FOUND The FV is not found for new installed EFI_PEI_FIRMWARE_VOLUME_PPI\r
2164 @retval EFI_SUCCESS Success to find a FV which could be processed by new installed EFI_PEI_FIRMWARE_VOLUME_PPI.\r
2165**/\r
2166EFI_STATUS\r
2167FindUnknownFormatFvInfo (\r
2168 IN PEI_CORE_INSTANCE *PrivateData,\r
2169 IN EFI_GUID *Format,\r
2170 OUT VOID **FvInfo,\r
c7935105
SZ		 2171 OUT UINT32 *FvInfoSize,\r
2172 OUT UINT32 *AuthenticationStatus\r
f3358329 2173 )\r
2174{\r
2175 UINTN Index;\r
2176 UINTN Index2;\r
2177\r
2178 Index = 0;\r
2179 for (; Index < PrivateData->UnknownFvInfoCount; Index ++) {\r
2180 if (CompareGuid (Format, &PrivateData->UnknownFvInfo[Index].FvFormat)) {\r
2181 break;\r
2182 }\r
2183 }\r
2184 \r
2185 if (Index == PrivateData->UnknownFvInfoCount) {\r
2186 return EFI_NOT_FOUND;\r
2187 }\r
2188 \r
2189 *FvInfo = PrivateData->UnknownFvInfo[Index].FvInfo;\r
2190 *FvInfoSize = PrivateData->UnknownFvInfo[Index].FvInfoSize;\r
c7935105 2191 *AuthenticationStatus = PrivateData->UnknownFvInfo[Index].AuthenticationStatus;\r
f3358329 2192 \r
2193 //\r
2194 // Remove an entry from UnknownFvInfo array.\r
2195 //\r
2196 Index2 = Index + 1;\r
2197 for (;Index2 < PrivateData->UnknownFvInfoCount; Index2 ++, Index ++) {\r
2198 CopyMem (&PrivateData->UnknownFvInfo[Index], &PrivateData->UnknownFvInfo[Index2], sizeof (PEI_CORE_UNKNOW_FORMAT_FV_INFO));\r
2199 }\r
2200 PrivateData->UnknownFvInfoCount --;\r
2201 return EFI_SUCCESS;\r
2202} \r
2203\r
2204/**\r
2205 Notification callback function for EFI_PEI_FIRMWARE_VOLUME_PPI.\r
2206 \r
2207 When a EFI_PEI_FIRMWARE_VOLUME_PPI is installed to support new FV format, this \r
2208 routine is called to process all discoveried FVs in this format.\r
2209 \r
2210 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r
2211 @param NotifyDescriptor Address of the notification descriptor data structure.\r
2212 @param Ppi Address of the PPI that was installed.\r
2213 \r
2214 @retval EFI_SUCCESS The notification callback is processed correctly.\r
2215**/\r
2216EFI_STATUS\r
2217EFIAPI\r
2218ThirdPartyFvPpiNotifyCallback (\r
2219 IN EFI_PEI_SERVICES **PeiServices,\r
2220 IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,\r
2221 IN VOID *Ppi\r
2222 )\r
2223{\r
2224 PEI_CORE_INSTANCE *PrivateData;\r
2225 EFI_PEI_FIRMWARE_VOLUME_PPI *FvPpi;\r
2226 VOID *FvInfo;\r
2227 UINT32 FvInfoSize;\r
c7935105 2228 UINT32 AuthenticationStatus;\r
f3358329 2229 EFI_STATUS Status;\r
2230 EFI_PEI_FV_HANDLE FvHandle;\r
2231 BOOLEAN IsProcessed;\r
2232 UINTN FvIndex;\r
2233 EFI_PEI_FILE_HANDLE FileHandle;\r
2234 VOID *DepexData; \r
7147077b
ZC		 2235 UINTN CurFvCount;\r
2236\r
f3358329 2237 PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);\r
2238 FvPpi = (EFI_PEI_FIRMWARE_VOLUME_PPI*) Ppi;\r
2239 \r
2240 do {\r
c7935105 2241 Status = FindUnknownFormatFvInfo (PrivateData, NotifyDescriptor->Guid, &FvInfo, &FvInfoSize, &AuthenticationStatus);\r
f3358329 2242 if (EFI_ERROR (Status)) {\r
2243 return EFI_SUCCESS;\r
2244 }\r
2245 \r
2246 //\r
2247 // Process new found FV and get FV handle.\r
2248 //\r
2249 Status = FvPpi->ProcessVolume (FvPpi, FvInfo, FvInfoSize, &FvHandle);\r
2250 if (EFI_ERROR (Status)) {\r
2251 DEBUG ((EFI_D_ERROR, "Fail to process the FV 0x%p, FV may be corrupted!\n", FvInfo));\r
2252 continue;\r
2253 }\r
2254\r
2255 //\r
2256 // Check whether the FV has already been processed.\r
2257 //\r
2258 IsProcessed = FALSE;\r
2259 for (FvIndex = 0; FvIndex < PrivateData->FvCount; FvIndex ++) {\r
2260 if (PrivateData->Fv[FvIndex].FvHandle == FvHandle) {\r
2261 DEBUG ((EFI_D_INFO, "The Fv %p has already been processed!\n", FvInfo));\r
2262 IsProcessed = TRUE;\r
2263 break;\r
2264 }\r
2265 }\r
2266 \r
2267 if (IsProcessed) {\r
2268 continue;\r
2269 }\r
2270 \r
fe781940
SZ		 2271 if (PrivateData->FvCount >= PcdGet32 (PcdPeiCoreMaxFvSupported)) {\r
2272 DEBUG ((EFI_D_ERROR, "The number of Fv Images (%d) exceed the max supported FVs (%d) in Pei", PrivateData->FvCount + 1, PcdGet32 (PcdPeiCoreMaxFvSupported)));\r
ccf0f68d 2273 DEBUG ((EFI_D_ERROR, "PcdPeiCoreMaxFvSupported value need be reconfigurated in DSC"));\r
2274 ASSERT (FALSE);\r
2275 }\r
2276 \r
f3358329 2277 //\r
2278 // Update internal PEI_CORE_FV array.\r
2279 //\r
2280 PrivateData->Fv[PrivateData->FvCount].FvHeader = (EFI_FIRMWARE_VOLUME_HEADER*) FvInfo;\r
2281 PrivateData->Fv[PrivateData->FvCount].FvPpi = FvPpi;\r
2282 PrivateData->Fv[PrivateData->FvCount].FvHandle = FvHandle;\r
c7935105 2283 PrivateData->Fv[PrivateData->FvCount].AuthenticationStatus = AuthenticationStatus;\r
7147077b 2284 CurFvCount = PrivateData->FvCount;\r
f3358329 2285 DEBUG ((\r
2286 EFI_D_INFO, \r
2287 "The %dth FV start address is 0x%11p, size is 0x%08x, handle is 0x%p\n", \r
7147077b 2288 (UINT32) CurFvCount,\r
f3358329 2289 (VOID *) FvInfo, \r
2290 FvInfoSize,\r
2291 FvHandle\r
2292 )); \r
2293 PrivateData->FvCount ++;\r
2294\r
2295 //\r
2296 // Scan and process the new discoveried FV for EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE \r
2297 //\r
2298 FileHandle = NULL;\r
2299 do {\r
2300 Status = FvPpi->FindFileByType (\r
2301 FvPpi,\r
2302 EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE,\r
2303 FvHandle,\r
2304 &FileHandle\r
2305 );\r
2306 if (!EFI_ERROR (Status)) {\r
2307 Status = FvPpi->FindSectionByType (\r
2308 FvPpi,\r
2309 EFI_SECTION_PEI_DEPEX,\r
2310 FileHandle,\r
2311 (VOID**)&DepexData\r
2312 );\r
2313 if (!EFI_ERROR (Status)) {\r
2314 if (!PeimDispatchReadiness (PeiServices, DepexData)) {\r
2315 //\r
2316 // Dependency is not satisfied.\r
2317 //\r
2318 continue;\r
2319 }\r
2320 }\r
2321 \r
7147077b
ZC		 2322 DEBUG ((EFI_D_INFO, "Found firmware volume Image File %p in FV[%d] %p\n", FileHandle, CurFvCount, FvHandle));\r
2323 ProcessFvFile (PrivateData, &PrivateData->Fv[CurFvCount], FileHandle);\r
f3358329 2324 }\r
2325 } while (FileHandle != NULL);\r
2326 } while (TRUE);\r
f3358329 2327}\r
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