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1 | /** @file\r | |
2 | Pei Core Firmware File System service routines.\r | |
3 | \r | |
4 | Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r | |
5 | This program and the accompanying materials \r | |
6 | are licensed and made available under the terms and conditions of the BSD License \r | |
7 | which accompanies this distribution. The full text of the license may be found at \r | |
8 | http://opensource.org/licenses/bsd-license.php \r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "FwVol.h"\r | |
16 | \r | |
17 | EFI_PEI_NOTIFY_DESCRIPTOR mNotifyOnFvInfoList[] = {\r | |
18 | {\r | |
19 | EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK,\r | |
20 | &gEfiPeiFirmwareVolumeInfoPpiGuid,\r | |
21 | FirmwareVolmeInfoPpiNotifyCallback \r | |
22 | },\r | |
23 | {\r | |
24 | (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
25 | &gEfiPeiFirmwareVolumeInfo2PpiGuid,\r | |
26 | FirmwareVolmeInfoPpiNotifyCallback \r | |
27 | }\r | |
28 | };\r | |
29 | \r | |
30 | PEI_FW_VOL_INSTANCE mPeiFfs2FwVol = {\r | |
31 | PEI_FW_VOL_SIGNATURE,\r | |
32 | FALSE,\r | |
33 | {\r | |
34 | PeiFfsFvPpiProcessVolume,\r | |
35 | PeiFfsFvPpiFindFileByType,\r | |
36 | PeiFfsFvPpiFindFileByName,\r | |
37 | PeiFfsFvPpiGetFileInfo,\r | |
38 | PeiFfsFvPpiGetVolumeInfo,\r | |
39 | PeiFfsFvPpiFindSectionByType,\r | |
40 | PeiFfsFvPpiGetFileInfo2,\r | |
41 | PeiFfsFvPpiFindSectionByType2,\r | |
42 | EFI_PEI_FIRMWARE_VOLUME_PPI_SIGNATURE,\r | |
43 | EFI_PEI_FIRMWARE_VOLUME_PPI_REVISION\r | |
44 | }\r | |
45 | };\r | |
46 | \r | |
47 | PEI_FW_VOL_INSTANCE mPeiFfs3FwVol = {\r | |
48 | PEI_FW_VOL_SIGNATURE,\r | |
49 | TRUE,\r | |
50 | {\r | |
51 | PeiFfsFvPpiProcessVolume,\r | |
52 | PeiFfsFvPpiFindFileByType,\r | |
53 | PeiFfsFvPpiFindFileByName,\r | |
54 | PeiFfsFvPpiGetFileInfo,\r | |
55 | PeiFfsFvPpiGetVolumeInfo,\r | |
56 | PeiFfsFvPpiFindSectionByType,\r | |
57 | PeiFfsFvPpiGetFileInfo2,\r | |
58 | PeiFfsFvPpiFindSectionByType2,\r | |
59 | EFI_PEI_FIRMWARE_VOLUME_PPI_SIGNATURE,\r | |
60 | EFI_PEI_FIRMWARE_VOLUME_PPI_REVISION\r | |
61 | }\r | |
62 | };\r | |
63 | \r | |
64 | EFI_PEI_PPI_DESCRIPTOR mPeiFfs2FvPpiList = {\r | |
65 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
66 | &gEfiFirmwareFileSystem2Guid,\r | |
67 | &mPeiFfs2FwVol.Fv\r | |
68 | };\r | |
69 | \r | |
70 | EFI_PEI_PPI_DESCRIPTOR mPeiFfs3FvPpiList = {\r | |
71 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
72 | &gEfiFirmwareFileSystem3Guid,\r | |
73 | &mPeiFfs3FwVol.Fv\r | |
74 | };\r | |
75 | \r | |
76 | /**\r | |
77 | Required Alignment Alignment Value in FFS Alignment Value in\r | |
78 | (bytes) Attributes Field Firmware Volume Interfaces\r | |
79 | 1 0 0\r | |
80 | 16 1 4\r | |
81 | 128 2 7\r | |
82 | 512 3 9\r | |
83 | 1 KB 4 10\r | |
84 | 4 KB 5 12\r | |
85 | 32 KB 6 15\r | |
86 | 64 KB 7 16\r | |
87 | **/\r | |
88 | UINT8 mFvAttributes[] = {0, 4, 7, 9, 10, 12, 15, 16};\r | |
89 | \r | |
90 | /**\r | |
91 | Convert the FFS File Attributes to FV File Attributes\r | |
92 | \r | |
93 | @param FfsAttributes The attributes of UINT8 type.\r | |
94 | \r | |
95 | @return The attributes of EFI_FV_FILE_ATTRIBUTES\r | |
96 | \r | |
97 | **/\r | |
98 | EFI_FV_FILE_ATTRIBUTES\r | |
99 | FfsAttributes2FvFileAttributes (\r | |
100 | IN EFI_FFS_FILE_ATTRIBUTES FfsAttributes\r | |
101 | )\r | |
102 | {\r | |
103 | UINT8 DataAlignment;\r | |
104 | EFI_FV_FILE_ATTRIBUTES FileAttribute;\r | |
105 | \r | |
106 | DataAlignment = (UINT8) ((FfsAttributes & FFS_ATTRIB_DATA_ALIGNMENT) >> 3);\r | |
107 | ASSERT (DataAlignment < 8);\r | |
108 | \r | |
109 | FileAttribute = (EFI_FV_FILE_ATTRIBUTES) mFvAttributes[DataAlignment];\r | |
110 | \r | |
111 | if ((FfsAttributes & FFS_ATTRIB_FIXED) == FFS_ATTRIB_FIXED) {\r | |
112 | FileAttribute |= EFI_FV_FILE_ATTRIB_FIXED;\r | |
113 | }\r | |
114 | \r | |
115 | return FileAttribute;\r | |
116 | }\r | |
117 | \r | |
118 | /**\r | |
119 | Returns the file state set by the highest zero bit in the State field\r | |
120 | \r | |
121 | @param ErasePolarity Erase Polarity as defined by EFI_FVB2_ERASE_POLARITY\r | |
122 | in the Attributes field.\r | |
123 | @param FfsHeader Pointer to FFS File Header.\r | |
124 | \r | |
125 | @retval EFI_FFS_FILE_STATE File state is set by the highest none zero bit \r | |
126 | in the header State field.\r | |
127 | **/\r | |
128 | EFI_FFS_FILE_STATE\r | |
129 | GetFileState(\r | |
130 | IN UINT8 ErasePolarity,\r | |
131 | IN EFI_FFS_FILE_HEADER *FfsHeader\r | |
132 | )\r | |
133 | {\r | |
134 | EFI_FFS_FILE_STATE FileState;\r | |
135 | EFI_FFS_FILE_STATE HighestBit;\r | |
136 | \r | |
137 | FileState = FfsHeader->State;\r | |
138 | \r | |
139 | if (ErasePolarity != 0) {\r | |
140 | FileState = (EFI_FFS_FILE_STATE)~FileState;\r | |
141 | }\r | |
142 | \r | |
143 | //\r | |
144 | // Get file state set by its highest none zero bit.\r | |
145 | //\r | |
146 | HighestBit = 0x80;\r | |
147 | while (HighestBit != 0 && (HighestBit & FileState) == 0) {\r | |
148 | HighestBit >>= 1;\r | |
149 | }\r | |
150 | \r | |
151 | return HighestBit;\r | |
152 | } \r | |
153 | \r | |
154 | /**\r | |
155 | Calculates the checksum of the header of a file.\r | |
156 | \r | |
157 | @param FileHeader Pointer to FFS File Header.\r | |
158 | \r | |
159 | @return Checksum of the header.\r | |
160 | Zero means the header is good.\r | |
161 | Non-zero means the header is bad.\r | |
162 | **/\r | |
163 | UINT8\r | |
164 | CalculateHeaderChecksum (\r | |
165 | IN EFI_FFS_FILE_HEADER *FileHeader\r | |
166 | )\r | |
167 | {\r | |
168 | EFI_FFS_FILE_HEADER2 TestFileHeader;\r | |
169 | \r | |
170 | if (IS_FFS_FILE2 (FileHeader)) {\r | |
171 | CopyMem (&TestFileHeader, FileHeader, sizeof (EFI_FFS_FILE_HEADER2));\r | |
172 | //\r | |
173 | // Ingore State and File field in FFS header.\r | |
174 | //\r | |
175 | TestFileHeader.State = 0;\r | |
176 | TestFileHeader.IntegrityCheck.Checksum.File = 0;\r | |
177 | \r | |
178 | return CalculateSum8 ((CONST UINT8 *) &TestFileHeader, sizeof (EFI_FFS_FILE_HEADER2));\r | |
179 | } else {\r | |
180 | CopyMem (&TestFileHeader, FileHeader, sizeof (EFI_FFS_FILE_HEADER));\r | |
181 | //\r | |
182 | // Ingore State and File field in FFS header.\r | |
183 | //\r | |
184 | TestFileHeader.State = 0;\r | |
185 | TestFileHeader.IntegrityCheck.Checksum.File = 0;\r | |
186 | \r | |
187 | return CalculateSum8 ((CONST UINT8 *) &TestFileHeader, sizeof (EFI_FFS_FILE_HEADER));\r | |
188 | }\r | |
189 | }\r | |
190 | \r | |
191 | /**\r | |
192 | Find FV handler according to FileHandle in that FV.\r | |
193 | \r | |
194 | @param FileHandle Handle of file image\r | |
195 | \r | |
196 | @return Pointer to instance of PEI_CORE_FV_HANDLE.\r | |
197 | **/\r | |
198 | PEI_CORE_FV_HANDLE*\r | |
199 | FileHandleToVolume (\r | |
200 | IN EFI_PEI_FILE_HANDLE FileHandle\r | |
201 | )\r | |
202 | {\r | |
203 | UINTN Index;\r | |
204 | PEI_CORE_INSTANCE *PrivateData;\r | |
205 | EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;\r | |
206 | \r | |
207 | PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (GetPeiServicesTablePointer ());\r | |
208 | \r | |
209 | for (Index = 0; Index < PrivateData->FvCount; Index++) {\r | |
210 | FwVolHeader = PrivateData->Fv[Index].FvHeader;\r | |
211 | if (((UINT64) (UINTN) FileHandle > (UINT64) (UINTN) FwVolHeader ) && \\r | |
212 | ((UINT64) (UINTN) FileHandle <= ((UINT64) (UINTN) FwVolHeader + FwVolHeader->FvLength - 1))) {\r | |
213 | return &PrivateData->Fv[Index];\r | |
214 | }\r | |
215 | }\r | |
216 | return NULL;\r | |
217 | }\r | |
218 | \r | |
219 | /**\r | |
220 | Given the input file pointer, search for the first matching file in the\r | |
221 | FFS volume as defined by SearchType. The search starts from FileHeader inside\r | |
222 | the Firmware Volume defined by FwVolHeader.\r | |
223 | If SearchType is EFI_FV_FILETYPE_ALL, the first FFS file will return without check its file type.\r | |
224 | If SearchType is PEI_CORE_INTERNAL_FFS_FILE_DISPATCH_TYPE, \r | |
225 | the first PEIM, or COMBINED PEIM or FV file type FFS file will return. \r | |
226 | \r | |
227 | @param FvHandle Pointer to the FV header of the volume to search\r | |
228 | @param FileName File name\r | |
229 | @param SearchType Filter to find only files of this type.\r | |
230 | Type EFI_FV_FILETYPE_ALL causes no filtering to be done.\r | |
231 | @param FileHandle This parameter must point to a valid FFS volume.\r | |
232 | @param AprioriFile Pointer to AprioriFile image in this FV if has\r | |
233 | \r | |
234 | @return EFI_NOT_FOUND No files matching the search criteria were found\r | |
235 | @retval EFI_SUCCESS Success to search given file\r | |
236 | \r | |
237 | **/\r | |
238 | EFI_STATUS\r | |
239 | FindFileEx (\r | |
240 | IN CONST EFI_PEI_FV_HANDLE FvHandle,\r | |
241 | IN CONST EFI_GUID *FileName, OPTIONAL\r | |
242 | IN EFI_FV_FILETYPE SearchType,\r | |
243 | IN OUT EFI_PEI_FILE_HANDLE *FileHandle,\r | |
244 | IN OUT EFI_PEI_FILE_HANDLE *AprioriFile OPTIONAL\r | |
245 | )\r | |
246 | {\r | |
247 | EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;\r | |
248 | EFI_FIRMWARE_VOLUME_EXT_HEADER *FwVolExtHeader;\r | |
249 | EFI_FFS_FILE_HEADER **FileHeader;\r | |
250 | EFI_FFS_FILE_HEADER *FfsFileHeader;\r | |
251 | UINT32 FileLength;\r | |
252 | UINT32 FileOccupiedSize;\r | |
253 | UINT32 FileOffset;\r | |
254 | UINT64 FvLength;\r | |
255 | UINT8 ErasePolarity;\r | |
256 | UINT8 FileState;\r | |
257 | UINT8 DataCheckSum;\r | |
258 | BOOLEAN IsFfs3Fv;\r | |
259 | \r | |
260 | //\r | |
261 | // Convert the handle of FV to FV header for memory-mapped firmware volume\r | |
262 | //\r | |
263 | FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) FvHandle;\r | |
264 | FileHeader = (EFI_FFS_FILE_HEADER **)FileHandle;\r | |
265 | \r | |
266 | IsFfs3Fv = CompareGuid (&FwVolHeader->FileSystemGuid, &gEfiFirmwareFileSystem3Guid);\r | |
267 | \r | |
268 | FvLength = FwVolHeader->FvLength;\r | |
269 | if ((FwVolHeader->Attributes & EFI_FVB2_ERASE_POLARITY) != 0) {\r | |
270 | ErasePolarity = 1;\r | |
271 | } else {\r | |
272 | ErasePolarity = 0;\r | |
273 | }\r | |
274 | \r | |
275 | //\r | |
276 | // If FileHeader is not specified (NULL) or FileName is not NULL,\r | |
277 | // start with the first file in the firmware volume. Otherwise,\r | |
278 | // start from the FileHeader.\r | |
279 | //\r | |
280 | if ((*FileHeader == NULL) || (FileName != NULL)) {\r | |
281 | if (FwVolHeader->ExtHeaderOffset != 0) {\r | |
282 | //\r | |
283 | // Searching for files starts on an 8 byte aligned boundary after the end of the Extended Header if it exists.\r | |
284 | //\r | |
285 | FwVolExtHeader = (EFI_FIRMWARE_VOLUME_EXT_HEADER *) ((UINT8 *) FwVolHeader + FwVolHeader->ExtHeaderOffset);\r | |
286 | FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FwVolExtHeader + FwVolExtHeader->ExtHeaderSize);\r | |
287 | FfsFileHeader = (EFI_FFS_FILE_HEADER *) ALIGN_POINTER (FfsFileHeader, 8);\r | |
288 | } else {\r | |
289 | FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *) FwVolHeader + FwVolHeader->HeaderLength);\r | |
290 | }\r | |
291 | } else {\r | |
292 | if (IS_FFS_FILE2 (*FileHeader)) {\r | |
293 | if (!IsFfs3Fv) {\r | |
294 | DEBUG ((EFI_D_ERROR, "It is a FFS3 formatted file: %g in a non-FFS3 formatted FV.\n", &(*FileHeader)->Name));\r | |
295 | }\r | |
296 | FileLength = FFS_FILE2_SIZE (*FileHeader);\r | |
297 | ASSERT (FileLength > 0x00FFFFFF);\r | |
298 | } else {\r | |
299 | FileLength = FFS_FILE_SIZE (*FileHeader);\r | |
300 | }\r | |
301 | //\r | |
302 | // FileLength is adjusted to FileOccupiedSize as it is 8 byte aligned.\r | |
303 | //\r | |
304 | FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);\r | |
305 | FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)*FileHeader + FileOccupiedSize);\r | |
306 | }\r | |
307 | \r | |
308 | FileOffset = (UINT32) ((UINT8 *)FfsFileHeader - (UINT8 *)FwVolHeader);\r | |
309 | ASSERT (FileOffset <= 0xFFFFFFFF);\r | |
310 | \r | |
311 | while (FileOffset < (FvLength - sizeof (EFI_FFS_FILE_HEADER))) {\r | |
312 | //\r | |
313 | // Get FileState which is the highest bit of the State \r | |
314 | //\r | |
315 | FileState = GetFileState (ErasePolarity, FfsFileHeader);\r | |
316 | switch (FileState) {\r | |
317 | \r | |
318 | case EFI_FILE_HEADER_CONSTRUCTION:\r | |
319 | case EFI_FILE_HEADER_INVALID:\r | |
320 | if (IS_FFS_FILE2 (FfsFileHeader)) {\r | |
321 | if (!IsFfs3Fv) {\r | |
322 | DEBUG ((EFI_D_ERROR, "Found a FFS3 formatted file: %g in a non-FFS3 formatted FV.\n", &FfsFileHeader->Name));\r | |
323 | }\r | |
324 | FileOffset += sizeof (EFI_FFS_FILE_HEADER2);\r | |
325 | FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER2));\r | |
326 | } else {\r | |
327 | FileOffset += sizeof (EFI_FFS_FILE_HEADER);\r | |
328 | FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER));\r | |
329 | }\r | |
330 | break;\r | |
331 | \r | |
332 | case EFI_FILE_DATA_VALID:\r | |
333 | case EFI_FILE_MARKED_FOR_UPDATE:\r | |
334 | if (CalculateHeaderChecksum (FfsFileHeader) != 0) {\r | |
335 | ASSERT (FALSE);\r | |
336 | *FileHeader = NULL;\r | |
337 | return EFI_NOT_FOUND;\r | |
338 | }\r | |
339 | \r | |
340 | if (IS_FFS_FILE2 (FfsFileHeader)) {\r | |
341 | FileLength = FFS_FILE2_SIZE (FfsFileHeader);\r | |
342 | ASSERT (FileLength > 0x00FFFFFF);\r | |
343 | FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);\r | |
344 | if (!IsFfs3Fv) {\r | |
345 | DEBUG ((EFI_D_ERROR, "Found a FFS3 formatted file: %g in a non-FFS3 formatted FV.\n", &FfsFileHeader->Name));\r | |
346 | FileOffset += FileOccupiedSize;\r | |
347 | FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FfsFileHeader + FileOccupiedSize);\r | |
348 | break;\r | |
349 | }\r | |
350 | } else {\r | |
351 | FileLength = FFS_FILE_SIZE (FfsFileHeader);\r | |
352 | FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);\r | |
353 | }\r | |
354 | \r | |
355 | DataCheckSum = FFS_FIXED_CHECKSUM;\r | |
356 | if ((FfsFileHeader->Attributes & FFS_ATTRIB_CHECKSUM) == FFS_ATTRIB_CHECKSUM) {\r | |
357 | if (IS_FFS_FILE2 (FfsFileHeader)) {\r | |
358 | DataCheckSum = CalculateCheckSum8 ((CONST UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER2), FileLength - sizeof(EFI_FFS_FILE_HEADER2));\r | |
359 | } else {\r | |
360 | DataCheckSum = CalculateCheckSum8 ((CONST UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER), FileLength - sizeof(EFI_FFS_FILE_HEADER));\r | |
361 | }\r | |
362 | }\r | |
363 | if (FfsFileHeader->IntegrityCheck.Checksum.File != DataCheckSum) {\r | |
364 | ASSERT (FALSE);\r | |
365 | *FileHeader = NULL;\r | |
366 | return EFI_NOT_FOUND;\r | |
367 | }\r | |
368 | \r | |
369 | if (FileName != NULL) {\r | |
370 | if (CompareGuid (&FfsFileHeader->Name, (EFI_GUID*)FileName)) {\r | |
371 | *FileHeader = FfsFileHeader;\r | |
372 | return EFI_SUCCESS;\r | |
373 | }\r | |
374 | } else if (SearchType == PEI_CORE_INTERNAL_FFS_FILE_DISPATCH_TYPE) {\r | |
375 | if ((FfsFileHeader->Type == EFI_FV_FILETYPE_PEIM) || \r | |
376 | (FfsFileHeader->Type == EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER) ||\r | |
377 | (FfsFileHeader->Type == EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE)) { \r | |
378 | \r | |
379 | *FileHeader = FfsFileHeader;\r | |
380 | return EFI_SUCCESS;\r | |
381 | } else if (AprioriFile != NULL) {\r | |
382 | if (FfsFileHeader->Type == EFI_FV_FILETYPE_FREEFORM) {\r | |
383 | if (CompareGuid (&FfsFileHeader->Name, &gPeiAprioriFileNameGuid)) {\r | |
384 | *AprioriFile = FfsFileHeader;\r | |
385 | } \r | |
386 | } \r | |
387 | }\r | |
388 | } else if (((SearchType == FfsFileHeader->Type) || (SearchType == EFI_FV_FILETYPE_ALL)) && \r | |
389 | (FfsFileHeader->Type != EFI_FV_FILETYPE_FFS_PAD)) { \r | |
390 | *FileHeader = FfsFileHeader;\r | |
391 | return EFI_SUCCESS;\r | |
392 | }\r | |
393 | \r | |
394 | FileOffset += FileOccupiedSize; \r | |
395 | FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + FileOccupiedSize);\r | |
396 | break;\r | |
397 | \r | |
398 | case EFI_FILE_DELETED:\r | |
399 | if (IS_FFS_FILE2 (FfsFileHeader)) {\r | |
400 | if (!IsFfs3Fv) {\r | |
401 | DEBUG ((EFI_D_ERROR, "Found a FFS3 formatted file: %g in a non-FFS3 formatted FV.\n", &FfsFileHeader->Name));\r | |
402 | }\r | |
403 | FileLength = FFS_FILE2_SIZE (FfsFileHeader);\r | |
404 | ASSERT (FileLength > 0x00FFFFFF);\r | |
405 | } else {\r | |
406 | FileLength = FFS_FILE_SIZE (FfsFileHeader);\r | |
407 | }\r | |
408 | FileOccupiedSize = GET_OCCUPIED_SIZE(FileLength, 8);\r | |
409 | FileOffset += FileOccupiedSize;\r | |
410 | FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + FileOccupiedSize);\r | |
411 | break;\r | |
412 | \r | |
413 | default:\r | |
414 | *FileHeader = NULL;\r | |
415 | return EFI_NOT_FOUND;\r | |
416 | } \r | |
417 | }\r | |
418 | \r | |
419 | *FileHeader = NULL;\r | |
420 | return EFI_NOT_FOUND; \r | |
421 | }\r | |
422 | \r | |
423 | /**\r | |
424 | Initialize PeiCore Fv List.\r | |
425 | \r | |
426 | @param PrivateData - Pointer to PEI_CORE_INSTANCE.\r | |
427 | @param SecCoreData - Pointer to EFI_SEC_PEI_HAND_OFF.\r | |
428 | **/\r | |
429 | VOID \r | |
430 | PeiInitializeFv (\r | |
431 | IN PEI_CORE_INSTANCE *PrivateData,\r | |
432 | IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData\r | |
433 | )\r | |
434 | {\r | |
435 | EFI_STATUS Status;\r | |
436 | EFI_PEI_FIRMWARE_VOLUME_PPI *FvPpi;\r | |
437 | EFI_PEI_FV_HANDLE FvHandle;\r | |
438 | EFI_FIRMWARE_VOLUME_HEADER *BfvHeader;\r | |
439 | \r | |
440 | //\r | |
441 | // Install FV_PPI for FFS2 file system.\r | |
442 | //\r | |
443 | PeiServicesInstallPpi (&mPeiFfs2FvPpiList);\r | |
444 | \r | |
445 | //\r | |
446 | // Install FV_PPI for FFS3 file system.\r | |
447 | //\r | |
448 | PeiServicesInstallPpi (&mPeiFfs3FvPpiList);\r | |
449 | \r | |
450 | BfvHeader = (EFI_FIRMWARE_VOLUME_HEADER *)SecCoreData->BootFirmwareVolumeBase;\r | |
451 | \r | |
452 | //\r | |
453 | // The FV_PPI in BFV's format should be installed.\r | |
454 | //\r | |
455 | Status = PeiServicesLocatePpi (\r | |
456 | &BfvHeader->FileSystemGuid,\r | |
457 | 0,\r | |
458 | NULL,\r | |
459 | (VOID**)&FvPpi\r | |
460 | );\r | |
461 | ASSERT_EFI_ERROR (Status);\r | |
462 | \r | |
463 | //\r | |
464 | // Get handle of BFV\r | |
465 | //\r | |
466 | FvPpi->ProcessVolume (\r | |
467 | FvPpi, \r | |
468 | SecCoreData->BootFirmwareVolumeBase,\r | |
469 | (UINTN)BfvHeader->FvLength,\r | |
470 | &FvHandle\r | |
471 | );\r | |
472 | \r | |
473 | //\r | |
474 | // Update internal PEI_CORE_FV array.\r | |
475 | //\r | |
476 | PrivateData->Fv[PrivateData->FvCount].FvHeader = BfvHeader;\r | |
477 | PrivateData->Fv[PrivateData->FvCount].FvPpi = FvPpi;\r | |
478 | PrivateData->Fv[PrivateData->FvCount].FvHandle = FvHandle;\r | |
479 | PrivateData->Fv[PrivateData->FvCount].AuthenticationStatus = 0;\r | |
480 | DEBUG ((\r | |
481 | EFI_D_INFO, \r | |
482 | "The %dth FV start address is 0x%11p, size is 0x%08x, handle is 0x%p\n", \r | |
483 | (UINT32) PrivateData->FvCount, \r | |
484 | (VOID *) BfvHeader, \r | |
485 | BfvHeader->FvLength,\r | |
486 | FvHandle\r | |
487 | )); \r | |
488 | PrivateData->FvCount ++;\r | |
489 | \r | |
490 | //\r | |
491 | // Post a call-back for the FvInfoPPI and FvInfo2PPI services to expose\r | |
492 | // additional Fvs to PeiCore.\r | |
493 | //\r | |
494 | Status = PeiServicesNotifyPpi (mNotifyOnFvInfoList);\r | |
495 | ASSERT_EFI_ERROR (Status);\r | |
496 | \r | |
497 | }\r | |
498 | \r | |
499 | /**\r | |
500 | Process Firmware Volum Information once FvInfoPPI or FvInfo2PPI install.\r | |
501 | The FV Info will be registered into PeiCore private data structure.\r | |
502 | And search the inside FV image, if found, the new FV INFO(2) PPI will be installed.\r | |
503 | \r | |
504 | @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r | |
505 | @param NotifyDescriptor Address of the notification descriptor data structure.\r | |
506 | @param Ppi Address of the PPI that was installed.\r | |
507 | \r | |
508 | @retval EFI_SUCCESS The FV Info is registered into PeiCore private data structure.\r | |
509 | @return if not EFI_SUCESS, fail to verify FV.\r | |
510 | \r | |
511 | **/\r | |
512 | EFI_STATUS\r | |
513 | EFIAPI\r | |
514 | FirmwareVolmeInfoPpiNotifyCallback (\r | |
515 | IN EFI_PEI_SERVICES **PeiServices,\r | |
516 | IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,\r | |
517 | IN VOID *Ppi\r | |
518 | )\r | |
519 | {\r | |
520 | EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI FvInfo2Ppi;\r | |
521 | EFI_PEI_FIRMWARE_VOLUME_PPI *FvPpi;\r | |
522 | PEI_CORE_INSTANCE *PrivateData;\r | |
523 | EFI_STATUS Status;\r | |
524 | EFI_PEI_FV_HANDLE FvHandle;\r | |
525 | UINTN FvIndex;\r | |
526 | EFI_PEI_FILE_HANDLE FileHandle;\r | |
527 | VOID *DepexData;\r | |
528 | BOOLEAN IsFvInfo2;\r | |
529 | \r | |
530 | Status = EFI_SUCCESS;\r | |
531 | PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);\r | |
532 | \r | |
533 | if (PrivateData->FvCount >= PcdGet32 (PcdPeiCoreMaxFvSupported)) {\r | |
534 | DEBUG ((EFI_D_ERROR, "The number of Fv Images (%d) exceed the max supported FVs (%d) in Pei", PrivateData->FvCount + 1, PcdGet32 (PcdPeiCoreMaxFvSupported)));\r | |
535 | DEBUG ((EFI_D_ERROR, "PcdPeiCoreMaxFvSupported value need be reconfigurated in DSC"));\r | |
536 | ASSERT (FALSE);\r | |
537 | }\r | |
538 | \r | |
539 | if (CompareGuid (NotifyDescriptor->Guid, &gEfiPeiFirmwareVolumeInfo2PpiGuid)) {\r | |
540 | //\r | |
541 | // It is FvInfo2PPI.\r | |
542 | //\r | |
543 | CopyMem (&FvInfo2Ppi, Ppi, sizeof (EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI));\r | |
544 | IsFvInfo2 = TRUE;\r | |
545 | } else {\r | |
546 | //\r | |
547 | // It is FvInfoPPI.\r | |
548 | //\r | |
549 | CopyMem (&FvInfo2Ppi, Ppi, sizeof (EFI_PEI_FIRMWARE_VOLUME_INFO_PPI));\r | |
550 | FvInfo2Ppi.AuthenticationStatus = 0;\r | |
551 | IsFvInfo2 = FALSE;\r | |
552 | }\r | |
553 | \r | |
554 | //\r | |
555 | // Locate the corresponding FV_PPI according to founded FV's format guid\r | |
556 | //\r | |
557 | Status = PeiServicesLocatePpi (\r | |
558 | &FvInfo2Ppi.FvFormat,\r | |
559 | 0,\r | |
560 | NULL,\r | |
561 | (VOID**)&FvPpi\r | |
562 | );\r | |
563 | if (!EFI_ERROR (Status)) {\r | |
564 | //\r | |
565 | // Process new found FV and get FV handle.\r | |
566 | //\r | |
567 | Status = FvPpi->ProcessVolume (FvPpi, FvInfo2Ppi.FvInfo, FvInfo2Ppi.FvInfoSize, &FvHandle);\r | |
568 | if (EFI_ERROR (Status)) {\r | |
569 | DEBUG ((EFI_D_ERROR, "Fail to process new found FV, FV may be corrupted!\n"));\r | |
570 | return Status;\r | |
571 | }\r | |
572 | \r | |
573 | //\r | |
574 | // Check whether the FV has already been processed.\r | |
575 | //\r | |
576 | for (FvIndex = 0; FvIndex < PrivateData->FvCount; FvIndex ++) {\r | |
577 | if (PrivateData->Fv[FvIndex].FvHandle == FvHandle) {\r | |
578 | if (IsFvInfo2 && (FvInfo2Ppi.AuthenticationStatus != PrivateData->Fv[FvIndex].AuthenticationStatus)) {\r | |
579 | PrivateData->Fv[FvIndex].AuthenticationStatus = FvInfo2Ppi.AuthenticationStatus;\r | |
580 | DEBUG ((EFI_D_INFO, "Update AuthenticationStatus of the %dth FV to 0x%x!\n", FvIndex, FvInfo2Ppi.AuthenticationStatus)); \r | |
581 | }\r | |
582 | DEBUG ((EFI_D_INFO, "The Fv %p has already been processed!\n", FvInfo2Ppi.FvInfo));\r | |
583 | return EFI_SUCCESS;\r | |
584 | }\r | |
585 | }\r | |
586 | \r | |
587 | //\r | |
588 | // Update internal PEI_CORE_FV array.\r | |
589 | //\r | |
590 | PrivateData->Fv[PrivateData->FvCount].FvHeader = (EFI_FIRMWARE_VOLUME_HEADER*) FvInfo2Ppi.FvInfo;\r | |
591 | PrivateData->Fv[PrivateData->FvCount].FvPpi = FvPpi;\r | |
592 | PrivateData->Fv[PrivateData->FvCount].FvHandle = FvHandle;\r | |
593 | PrivateData->Fv[PrivateData->FvCount].AuthenticationStatus = FvInfo2Ppi.AuthenticationStatus;\r | |
594 | DEBUG ((\r | |
595 | EFI_D_INFO, \r | |
596 | "The %dth FV start address is 0x%11p, size is 0x%08x, handle is 0x%p\n", \r | |
597 | (UINT32) PrivateData->FvCount, \r | |
598 | (VOID *) FvInfo2Ppi.FvInfo, \r | |
599 | FvInfo2Ppi.FvInfoSize,\r | |
600 | FvHandle\r | |
601 | )); \r | |
602 | PrivateData->FvCount ++;\r | |
603 | \r | |
604 | //\r | |
605 | // Scan and process the new discoveried FV for EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE \r | |
606 | //\r | |
607 | FileHandle = NULL;\r | |
608 | do {\r | |
609 | Status = FvPpi->FindFileByType (\r | |
610 | FvPpi,\r | |
611 | EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE,\r | |
612 | FvHandle,\r | |
613 | &FileHandle\r | |
614 | );\r | |
615 | if (!EFI_ERROR (Status)) {\r | |
616 | Status = FvPpi->FindSectionByType (\r | |
617 | FvPpi,\r | |
618 | EFI_SECTION_PEI_DEPEX,\r | |
619 | FileHandle,\r | |
620 | (VOID**)&DepexData\r | |
621 | );\r | |
622 | if (!EFI_ERROR (Status)) {\r | |
623 | if (!PeimDispatchReadiness (PeiServices, DepexData)) {\r | |
624 | //\r | |
625 | // Dependency is not satisfied.\r | |
626 | //\r | |
627 | continue;\r | |
628 | }\r | |
629 | }\r | |
630 | \r | |
631 | DEBUG ((EFI_D_INFO, "Found firmware volume Image File %p in FV[%d] %p\n", FileHandle, PrivateData->FvCount - 1, FvHandle));\r | |
632 | ProcessFvFile (PrivateData, &PrivateData->Fv[PrivateData->FvCount - 1], FileHandle);\r | |
633 | }\r | |
634 | } while (FileHandle != NULL);\r | |
635 | } else {\r | |
636 | DEBUG ((EFI_D_ERROR, "Fail to process FV %p because no corresponding EFI_FIRMWARE_VOLUME_PPI is found!\n", FvInfo2Ppi.FvInfo));\r | |
637 | \r | |
638 | AddUnknownFormatFvInfo (PrivateData, &FvInfo2Ppi);\r | |
639 | }\r | |
640 | \r | |
641 | return EFI_SUCCESS;\r | |
642 | }\r | |
643 | \r | |
644 | /**\r | |
645 | Verify the Guided Section GUID by checking if there is the Guided Section GUID HOB recorded the GUID itself.\r | |
646 | \r | |
647 | @param GuidedSectionGuid The Guided Section GUID.\r | |
648 | @param GuidedSectionExtraction A pointer to the pointer to the supported Guided Section Extraction Ppi\r | |
649 | for the Guided Section.\r | |
650 | \r | |
651 | @return TRUE The GuidedSectionGuid could be identified, and the pointer to\r | |
652 | the Guided Section Extraction Ppi will be returned to *GuidedSectionExtraction.\r | |
653 | @return FALSE The GuidedSectionGuid could not be identified, or \r | |
654 | the Guided Section Extraction Ppi has not been installed yet.\r | |
655 | \r | |
656 | **/\r | |
657 | BOOLEAN\r | |
658 | VerifyGuidedSectionGuid (\r | |
659 | IN EFI_GUID *GuidedSectionGuid,\r | |
660 | OUT EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI **GuidedSectionExtraction\r | |
661 | )\r | |
662 | {\r | |
663 | EFI_PEI_HOB_POINTERS Hob;\r | |
664 | EFI_GUID *GuidRecorded;\r | |
665 | VOID *Interface;\r | |
666 | EFI_STATUS Status;\r | |
667 | \r | |
668 | //\r | |
669 | // Check if there is the Guided Section GUID HOB recorded the GUID itself.\r | |
670 | //\r | |
671 | Hob.Raw = GetFirstGuidHob (GuidedSectionGuid);\r | |
672 | if (Hob.Raw != NULL) {\r | |
673 | GuidRecorded = (EFI_GUID *) GET_GUID_HOB_DATA (Hob);\r | |
674 | if (CompareGuid (GuidRecorded, GuidedSectionGuid)) {\r | |
675 | //\r | |
676 | // Found the recorded GuidedSectionGuid.\r | |
677 | //\r | |
678 | Status = PeiServicesLocatePpi (GuidedSectionGuid, 0, NULL, (VOID **) &Interface);\r | |
679 | if (!EFI_ERROR (Status) && Interface != NULL) {\r | |
680 | //\r | |
681 | // Found the supported Guided Section Extraction Ppi for the Guided Section.\r | |
682 | //\r | |
683 | *GuidedSectionExtraction = (EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *) Interface;\r | |
684 | return TRUE;\r | |
685 | }\r | |
686 | return FALSE;\r | |
687 | }\r | |
688 | }\r | |
689 | \r | |
690 | return FALSE;\r | |
691 | }\r | |
692 | \r | |
693 | /**\r | |
694 | Go through the file to search SectionType section. \r | |
695 | Search within encapsulation sections (compression and GUIDed) recursively, \r | |
696 | until the match section is found.\r | |
697 | \r | |
698 | @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.\r | |
699 | @param SectionType Filter to find only section of this type.\r | |
700 | @param SectionInstance Pointer to the filter to find the specific instance of section.\r | |
701 | @param Section From where to search.\r | |
702 | @param SectionSize The file size to search.\r | |
703 | @param OutputBuffer A pointer to the discovered section, if successful.\r | |
704 | NULL if section not found\r | |
705 | @param AuthenticationStatus Updated upon return to point to the authentication status for this section.\r | |
706 | @param IsFfs3Fv Indicates the FV format.\r | |
707 | \r | |
708 | @return EFI_NOT_FOUND The match section is not found.\r | |
709 | @return EFI_SUCCESS The match section is found.\r | |
710 | \r | |
711 | **/\r | |
712 | EFI_STATUS\r | |
713 | ProcessSection (\r | |
714 | IN CONST EFI_PEI_SERVICES **PeiServices,\r | |
715 | IN EFI_SECTION_TYPE SectionType,\r | |
716 | IN OUT UINTN *SectionInstance,\r | |
717 | IN EFI_COMMON_SECTION_HEADER *Section,\r | |
718 | IN UINTN SectionSize,\r | |
719 | OUT VOID **OutputBuffer,\r | |
720 | OUT UINT32 *AuthenticationStatus,\r | |
721 | IN BOOLEAN IsFfs3Fv\r | |
722 | )\r | |
723 | {\r | |
724 | EFI_STATUS Status;\r | |
725 | UINT32 SectionLength;\r | |
726 | UINT32 ParsedLength;\r | |
727 | EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *GuidSectionPpi;\r | |
728 | EFI_PEI_DECOMPRESS_PPI *DecompressPpi;\r | |
729 | VOID *PpiOutput;\r | |
730 | UINTN PpiOutputSize;\r | |
731 | UINTN Index;\r | |
732 | UINT32 Authentication;\r | |
733 | PEI_CORE_INSTANCE *PrivateData;\r | |
734 | EFI_GUID *SectionDefinitionGuid;\r | |
735 | BOOLEAN SectionCached;\r | |
736 | VOID *TempOutputBuffer;\r | |
737 | UINT32 TempAuthenticationStatus;\r | |
738 | UINT16 GuidedSectionAttributes;\r | |
739 | \r | |
740 | PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);\r | |
741 | *OutputBuffer = NULL;\r | |
742 | ParsedLength = 0;\r | |
743 | Index = 0;\r | |
744 | Status = EFI_NOT_FOUND;\r | |
745 | PpiOutput = NULL;\r | |
746 | PpiOutputSize = 0;\r | |
747 | while (ParsedLength < SectionSize) {\r | |
748 | \r | |
749 | if (IS_SECTION2 (Section)) {\r | |
750 | ASSERT (SECTION2_SIZE (Section) > 0x00FFFFFF);\r | |
751 | if (!IsFfs3Fv) {\r | |
752 | DEBUG ((EFI_D_ERROR, "Found a FFS3 formatted section in a non-FFS3 formatted FV.\n"));\r | |
753 | SectionLength = SECTION2_SIZE (Section);\r | |
754 | //\r | |
755 | // SectionLength is adjusted it is 4 byte aligned.\r | |
756 | // Go to the next section\r | |
757 | //\r | |
758 | SectionLength = GET_OCCUPIED_SIZE (SectionLength, 4);\r | |
759 | ASSERT (SectionLength != 0);\r | |
760 | ParsedLength += SectionLength;\r | |
761 | Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) Section + SectionLength);\r | |
762 | continue;\r | |
763 | }\r | |
764 | }\r | |
765 | \r | |
766 | if (Section->Type == SectionType) {\r | |
767 | //\r | |
768 | // The type matches, so check the instance count to see if it's the one we want.\r | |
769 | //\r | |
770 | (*SectionInstance)--;\r | |
771 | if (*SectionInstance == 0) {\r | |
772 | //\r | |
773 | // Got it!\r | |
774 | //\r | |
775 | if (IS_SECTION2 (Section)) {\r | |
776 | *OutputBuffer = (VOID *)((UINT8 *) Section + sizeof (EFI_COMMON_SECTION_HEADER2));\r | |
777 | } else {\r | |
778 | *OutputBuffer = (VOID *)((UINT8 *) Section + sizeof (EFI_COMMON_SECTION_HEADER));\r | |
779 | }\r | |
780 | return EFI_SUCCESS;\r | |
781 | } else {\r | |
782 | if (IS_SECTION2 (Section)) {\r | |
783 | SectionLength = SECTION2_SIZE (Section);\r | |
784 | } else {\r | |
785 | SectionLength = SECTION_SIZE (Section);\r | |
786 | }\r | |
787 | //\r | |
788 | // SectionLength is adjusted it is 4 byte aligned.\r | |
789 | // Go to the next section\r | |
790 | //\r | |
791 | SectionLength = GET_OCCUPIED_SIZE (SectionLength, 4);\r | |
792 | ASSERT (SectionLength != 0);\r | |
793 | ParsedLength += SectionLength;\r | |
794 | Section = (EFI_COMMON_SECTION_HEADER *)((UINT8 *)Section + SectionLength);\r | |
795 | continue;\r | |
796 | }\r | |
797 | } else if ((Section->Type == EFI_SECTION_GUID_DEFINED) || (Section->Type == EFI_SECTION_COMPRESSION)) {\r | |
798 | //\r | |
799 | // Check the encapsulated section is extracted into the cache data.\r | |
800 | //\r | |
801 | SectionCached = FALSE;\r | |
802 | for (Index = 0; Index < PrivateData->CacheSection.AllSectionCount; Index ++) {\r | |
803 | if (Section == PrivateData->CacheSection.Section[Index]) {\r | |
804 | SectionCached = TRUE;\r | |
805 | PpiOutput = PrivateData->CacheSection.SectionData[Index];\r | |
806 | PpiOutputSize = PrivateData->CacheSection.SectionSize[Index];\r | |
807 | Authentication = PrivateData->CacheSection.AuthenticationStatus[Index];\r | |
808 | //\r | |
809 | // Search section directly from the cache data.\r | |
810 | //\r | |
811 | TempAuthenticationStatus = 0;\r | |
812 | Status = ProcessSection (\r | |
813 | PeiServices,\r | |
814 | SectionType,\r | |
815 | SectionInstance,\r | |
816 | PpiOutput, \r | |
817 | PpiOutputSize, \r | |
818 | &TempOutputBuffer,\r | |
819 | &TempAuthenticationStatus,\r | |
820 | IsFfs3Fv\r | |
821 | );\r | |
822 | if (!EFI_ERROR (Status)) {\r | |
823 | *OutputBuffer = TempOutputBuffer;\r | |
824 | *AuthenticationStatus = TempAuthenticationStatus | Authentication;\r | |
825 | return EFI_SUCCESS;\r | |
826 | }\r | |
827 | }\r | |
828 | }\r | |
829 | \r | |
830 | //\r | |
831 | // If SectionCached is TRUE, the section data has been cached and scanned.\r | |
832 | //\r | |
833 | if (!SectionCached) {\r | |
834 | Status = EFI_NOT_FOUND;\r | |
835 | Authentication = 0;\r | |
836 | if (Section->Type == EFI_SECTION_GUID_DEFINED) {\r | |
837 | if (IS_SECTION2 (Section)) {\r | |
838 | SectionDefinitionGuid = &((EFI_GUID_DEFINED_SECTION2 *)Section)->SectionDefinitionGuid;\r | |
839 | GuidedSectionAttributes = ((EFI_GUID_DEFINED_SECTION2 *)Section)->Attributes;\r | |
840 | } else {\r | |
841 | SectionDefinitionGuid = &((EFI_GUID_DEFINED_SECTION *)Section)->SectionDefinitionGuid;\r | |
842 | GuidedSectionAttributes = ((EFI_GUID_DEFINED_SECTION *)Section)->Attributes;\r | |
843 | }\r | |
844 | if (VerifyGuidedSectionGuid (SectionDefinitionGuid, &GuidSectionPpi)) {\r | |
845 | Status = GuidSectionPpi->ExtractSection (\r | |
846 | GuidSectionPpi,\r | |
847 | Section,\r | |
848 | &PpiOutput,\r | |
849 | &PpiOutputSize,\r | |
850 | &Authentication\r | |
851 | );\r | |
852 | } else if ((GuidedSectionAttributes & EFI_GUIDED_SECTION_PROCESSING_REQUIRED) == 0) {\r | |
853 | //\r | |
854 | // Figure out the proper authentication status for GUIDED section without processing required\r | |
855 | //\r | |
856 | Status = EFI_SUCCESS;\r | |
857 | if ((GuidedSectionAttributes & EFI_GUIDED_SECTION_AUTH_STATUS_VALID) == EFI_GUIDED_SECTION_AUTH_STATUS_VALID) {\r | |
858 | Authentication |= EFI_AUTH_STATUS_IMAGE_SIGNED | EFI_AUTH_STATUS_NOT_TESTED;\r | |
859 | }\r | |
860 | if (IS_SECTION2 (Section)) {\r | |
861 | PpiOutputSize = SECTION2_SIZE (Section) - ((EFI_GUID_DEFINED_SECTION2 *) Section)->DataOffset;\r | |
862 | PpiOutput = (UINT8 *) Section + ((EFI_GUID_DEFINED_SECTION2 *) Section)->DataOffset;\r | |
863 | } else {\r | |
864 | PpiOutputSize = SECTION_SIZE (Section) - ((EFI_GUID_DEFINED_SECTION *) Section)->DataOffset;\r | |
865 | PpiOutput = (UINT8 *) Section + ((EFI_GUID_DEFINED_SECTION *) Section)->DataOffset;\r | |
866 | }\r | |
867 | }\r | |
868 | } else if (Section->Type == EFI_SECTION_COMPRESSION) {\r | |
869 | Status = PeiServicesLocatePpi (&gEfiPeiDecompressPpiGuid, 0, NULL, (VOID **) &DecompressPpi);\r | |
870 | if (!EFI_ERROR (Status)) {\r | |
871 | Status = DecompressPpi->Decompress (\r | |
872 | DecompressPpi,\r | |
873 | (CONST EFI_COMPRESSION_SECTION*) Section,\r | |
874 | &PpiOutput,\r | |
875 | &PpiOutputSize\r | |
876 | );\r | |
877 | }\r | |
878 | }\r | |
879 | \r | |
880 | if (!EFI_ERROR (Status)) {\r | |
881 | //\r | |
882 | // Update cache section data.\r | |
883 | //\r | |
884 | if (PrivateData->CacheSection.AllSectionCount < CACHE_SETION_MAX_NUMBER) {\r | |
885 | PrivateData->CacheSection.AllSectionCount ++;\r | |
886 | }\r | |
887 | PrivateData->CacheSection.Section [PrivateData->CacheSection.SectionIndex] = Section;\r | |
888 | PrivateData->CacheSection.SectionData [PrivateData->CacheSection.SectionIndex] = PpiOutput;\r | |
889 | PrivateData->CacheSection.SectionSize [PrivateData->CacheSection.SectionIndex] = PpiOutputSize;\r | |
890 | PrivateData->CacheSection.AuthenticationStatus [PrivateData->CacheSection.SectionIndex] = Authentication;\r | |
891 | PrivateData->CacheSection.SectionIndex = (PrivateData->CacheSection.SectionIndex + 1)%CACHE_SETION_MAX_NUMBER;\r | |
892 | \r | |
893 | TempAuthenticationStatus = 0;\r | |
894 | Status = ProcessSection (\r | |
895 | PeiServices,\r | |
896 | SectionType,\r | |
897 | SectionInstance,\r | |
898 | PpiOutput, \r | |
899 | PpiOutputSize, \r | |
900 | &TempOutputBuffer,\r | |
901 | &TempAuthenticationStatus,\r | |
902 | IsFfs3Fv\r | |
903 | );\r | |
904 | if (!EFI_ERROR (Status)) {\r | |
905 | *OutputBuffer = TempOutputBuffer;\r | |
906 | *AuthenticationStatus = TempAuthenticationStatus | Authentication;\r | |
907 | return EFI_SUCCESS;\r | |
908 | }\r | |
909 | }\r | |
910 | }\r | |
911 | }\r | |
912 | \r | |
913 | if (IS_SECTION2 (Section)) {\r | |
914 | SectionLength = SECTION2_SIZE (Section);\r | |
915 | } else {\r | |
916 | SectionLength = SECTION_SIZE (Section);\r | |
917 | }\r | |
918 | //\r | |
919 | // SectionLength is adjusted it is 4 byte aligned.\r | |
920 | // Go to the next section\r | |
921 | //\r | |
922 | SectionLength = GET_OCCUPIED_SIZE (SectionLength, 4);\r | |
923 | ASSERT (SectionLength != 0);\r | |
924 | ParsedLength += SectionLength;\r | |
925 | Section = (EFI_COMMON_SECTION_HEADER *)((UINT8 *)Section + SectionLength);\r | |
926 | }\r | |
927 | \r | |
928 | return EFI_NOT_FOUND;\r | |
929 | }\r | |
930 | \r | |
931 | \r | |
932 | /**\r | |
933 | Searches for the next matching section within the specified file.\r | |
934 | \r | |
935 | @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r | |
936 | @param SectionType Filter to find only sections of this type.\r | |
937 | @param FileHandle Pointer to the current file to search.\r | |
938 | @param SectionData A pointer to the discovered section, if successful.\r | |
939 | NULL if section not found\r | |
940 | \r | |
941 | @retval EFI_NOT_FOUND The section was not found.\r | |
942 | @retval EFI_SUCCESS The section was found.\r | |
943 | \r | |
944 | **/\r | |
945 | EFI_STATUS\r | |
946 | EFIAPI\r | |
947 | PeiFfsFindSectionData (\r | |
948 | IN CONST EFI_PEI_SERVICES **PeiServices,\r | |
949 | IN EFI_SECTION_TYPE SectionType,\r | |
950 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
951 | OUT VOID **SectionData\r | |
952 | )\r | |
953 | {\r | |
954 | PEI_CORE_FV_HANDLE *CoreFvHandle;\r | |
955 | \r | |
956 | CoreFvHandle = FileHandleToVolume (FileHandle);\r | |
957 | if ((CoreFvHandle == NULL) || (CoreFvHandle->FvPpi == NULL)) {\r | |
958 | return EFI_NOT_FOUND;\r | |
959 | }\r | |
960 | \r | |
961 | return CoreFvHandle->FvPpi->FindSectionByType (CoreFvHandle->FvPpi, SectionType, FileHandle, SectionData);\r | |
962 | }\r | |
963 | \r | |
964 | /**\r | |
965 | Searches for the next matching section within the specified file.\r | |
966 | \r | |
967 | @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.\r | |
968 | @param SectionType The value of the section type to find.\r | |
969 | @param SectionInstance Section instance to find.\r | |
970 | @param FileHandle Handle of the firmware file to search.\r | |
971 | @param SectionData A pointer to the discovered section, if successful.\r | |
972 | @param AuthenticationStatus A pointer to the authentication status for this section.\r | |
973 | \r | |
974 | @retval EFI_SUCCESS The section was found.\r | |
975 | @retval EFI_NOT_FOUND The section was not found.\r | |
976 | \r | |
977 | **/\r | |
978 | EFI_STATUS\r | |
979 | EFIAPI\r | |
980 | PeiFfsFindSectionData3 (\r | |
981 | IN CONST EFI_PEI_SERVICES **PeiServices,\r | |
982 | IN EFI_SECTION_TYPE SectionType,\r | |
983 | IN UINTN SectionInstance,\r | |
984 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
985 | OUT VOID **SectionData,\r | |
986 | OUT UINT32 *AuthenticationStatus\r | |
987 | )\r | |
988 | {\r | |
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 | if ((CoreFvHandle->FvPpi->Signature == EFI_PEI_FIRMWARE_VOLUME_PPI_SIGNATURE) &&\r | |
997 | (CoreFvHandle->FvPpi->Revision == EFI_PEI_FIRMWARE_VOLUME_PPI_REVISION)) {\r | |
998 | return CoreFvHandle->FvPpi->FindSectionByType2 (CoreFvHandle->FvPpi, SectionType, SectionInstance, FileHandle, SectionData, AuthenticationStatus);\r | |
999 | }\r | |
1000 | //\r | |
1001 | // The old FvPpi doesn't support to find section by section instance\r | |
1002 | // and return authentication status, so return EFI_UNSUPPORTED.\r | |
1003 | //\r | |
1004 | return EFI_UNSUPPORTED;\r | |
1005 | }\r | |
1006 | \r | |
1007 | /**\r | |
1008 | Searches for the next matching file in the firmware volume.\r | |
1009 | \r | |
1010 | @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.\r | |
1011 | @param SearchType Filter to find only files of this type.\r | |
1012 | Type EFI_FV_FILETYPE_ALL causes no filtering to be done.\r | |
1013 | @param FvHandle Handle of firmware volume in which to search.\r | |
1014 | @param FileHandle On entry, points to the current handle from which to begin searching or NULL to start\r | |
1015 | at the beginning of the firmware volume. On exit, points the file handle of the next file\r | |
1016 | in the volume or NULL if there are no more files.\r | |
1017 | \r | |
1018 | @retval EFI_NOT_FOUND The file was not found.\r | |
1019 | @retval EFI_NOT_FOUND The header checksum was not zero.\r | |
1020 | @retval EFI_SUCCESS The file was found.\r | |
1021 | \r | |
1022 | **/\r | |
1023 | EFI_STATUS\r | |
1024 | EFIAPI\r | |
1025 | PeiFfsFindNextFile (\r | |
1026 | IN CONST EFI_PEI_SERVICES **PeiServices,\r | |
1027 | IN UINT8 SearchType,\r | |
1028 | IN EFI_PEI_FV_HANDLE FvHandle,\r | |
1029 | IN OUT EFI_PEI_FILE_HANDLE *FileHandle\r | |
1030 | )\r | |
1031 | {\r | |
1032 | PEI_CORE_FV_HANDLE *CoreFvHandle;\r | |
1033 | \r | |
1034 | CoreFvHandle = FvHandleToCoreHandle (FvHandle);\r | |
1035 | \r | |
1036 | //\r | |
1037 | // To make backward compatiblity, if can not find corresponding the handle of FV\r | |
1038 | // then treat FV as build-in FFS2/FFS3 format and memory mapped FV that FV handle is pointed\r | |
1039 | // to the address of first byte of FV.\r | |
1040 | //\r | |
1041 | if ((CoreFvHandle == NULL) && FeaturePcdGet (PcdFrameworkCompatibilitySupport)) {\r | |
1042 | return FindFileEx (FvHandle, NULL, SearchType, FileHandle, NULL);\r | |
1043 | } \r | |
1044 | \r | |
1045 | if ((CoreFvHandle == NULL) || CoreFvHandle->FvPpi == NULL) {\r | |
1046 | return EFI_NOT_FOUND;\r | |
1047 | }\r | |
1048 | \r | |
1049 | return CoreFvHandle->FvPpi->FindFileByType (CoreFvHandle->FvPpi, SearchType, FvHandle, FileHandle);\r | |
1050 | }\r | |
1051 | \r | |
1052 | \r | |
1053 | /**\r | |
1054 | Search the firmware volumes by index\r | |
1055 | \r | |
1056 | @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r | |
1057 | @param Instance This instance of the firmware volume to find. The value 0 is the Boot Firmware\r | |
1058 | Volume (BFV).\r | |
1059 | @param VolumeHandle On exit, points to the next volume handle or NULL if it does not exist.\r | |
1060 | \r | |
1061 | @retval EFI_INVALID_PARAMETER VolumeHandle is NULL\r | |
1062 | @retval EFI_NOT_FOUND The volume was not found.\r | |
1063 | @retval EFI_SUCCESS The volume was found.\r | |
1064 | \r | |
1065 | **/\r | |
1066 | EFI_STATUS \r | |
1067 | EFIAPI\r | |
1068 | PeiFfsFindNextVolume (\r | |
1069 | IN CONST EFI_PEI_SERVICES **PeiServices,\r | |
1070 | IN UINTN Instance,\r | |
1071 | IN OUT EFI_PEI_FV_HANDLE *VolumeHandle\r | |
1072 | )\r | |
1073 | {\r | |
1074 | PEI_CORE_INSTANCE *Private;\r | |
1075 | PEI_CORE_FV_HANDLE *CoreFvHandle;\r | |
1076 | \r | |
1077 | if (VolumeHandle == NULL) {\r | |
1078 | return EFI_INVALID_PARAMETER;\r | |
1079 | }\r | |
1080 | \r | |
1081 | Private = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);\r | |
1082 | \r | |
1083 | CoreFvHandle = FindNextCoreFvHandle (Private, Instance);\r | |
1084 | if (CoreFvHandle == NULL) {\r | |
1085 | *VolumeHandle = NULL;\r | |
1086 | return EFI_NOT_FOUND;\r | |
1087 | }\r | |
1088 | \r | |
1089 | *VolumeHandle = CoreFvHandle->FvHandle;\r | |
1090 | \r | |
1091 | return EFI_SUCCESS;\r | |
1092 | }\r | |
1093 | \r | |
1094 | \r | |
1095 | /**\r | |
1096 | Find a file within a volume by its name.\r | |
1097 | \r | |
1098 | @param FileName A pointer to the name of the file to find within the firmware volume.\r | |
1099 | @param VolumeHandle The firmware volume to search\r | |
1100 | @param FileHandle Upon exit, points to the found file's handle \r | |
1101 | or NULL if it could not be found.\r | |
1102 | \r | |
1103 | @retval EFI_SUCCESS File was found.\r | |
1104 | @retval EFI_NOT_FOUND File was not found.\r | |
1105 | @retval EFI_INVALID_PARAMETER VolumeHandle or FileHandle or FileName was NULL.\r | |
1106 | \r | |
1107 | **/\r | |
1108 | EFI_STATUS\r | |
1109 | EFIAPI \r | |
1110 | PeiFfsFindFileByName (\r | |
1111 | IN CONST EFI_GUID *FileName,\r | |
1112 | IN EFI_PEI_FV_HANDLE VolumeHandle,\r | |
1113 | OUT EFI_PEI_FILE_HANDLE *FileHandle\r | |
1114 | )\r | |
1115 | {\r | |
1116 | PEI_CORE_FV_HANDLE *CoreFvHandle;\r | |
1117 | \r | |
1118 | if ((VolumeHandle == NULL) || (FileName == NULL) || (FileHandle == NULL)) {\r | |
1119 | return EFI_INVALID_PARAMETER;\r | |
1120 | }\r | |
1121 | \r | |
1122 | CoreFvHandle = FvHandleToCoreHandle (VolumeHandle);\r | |
1123 | if ((CoreFvHandle == NULL) || (CoreFvHandle->FvPpi == NULL)) {\r | |
1124 | return EFI_NOT_FOUND;\r | |
1125 | }\r | |
1126 | \r | |
1127 | return CoreFvHandle->FvPpi->FindFileByName (CoreFvHandle->FvPpi, FileName, &VolumeHandle, FileHandle);\r | |
1128 | }\r | |
1129 | \r | |
1130 | /**\r | |
1131 | Returns information about a specific file.\r | |
1132 | \r | |
1133 | @param FileHandle Handle of the file.\r | |
1134 | @param FileInfo Upon exit, points to the file's information.\r | |
1135 | \r | |
1136 | @retval EFI_INVALID_PARAMETER If FileInfo is NULL.\r | |
1137 | @retval EFI_INVALID_PARAMETER If FileHandle does not represent a valid file.\r | |
1138 | @retval EFI_SUCCESS File information returned.\r | |
1139 | \r | |
1140 | **/\r | |
1141 | EFI_STATUS\r | |
1142 | EFIAPI \r | |
1143 | PeiFfsGetFileInfo (\r | |
1144 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
1145 | OUT EFI_FV_FILE_INFO *FileInfo\r | |
1146 | )\r | |
1147 | {\r | |
1148 | PEI_CORE_FV_HANDLE *CoreFvHandle;\r | |
1149 | \r | |
1150 | if ((FileHandle == NULL) || (FileInfo == NULL)) {\r | |
1151 | return EFI_INVALID_PARAMETER;\r | |
1152 | }\r | |
1153 | \r | |
1154 | //\r | |
1155 | // Retrieve the FirmwareVolume which the file resides in.\r | |
1156 | //\r | |
1157 | CoreFvHandle = FileHandleToVolume (FileHandle);\r | |
1158 | if ((CoreFvHandle == NULL) || (CoreFvHandle->FvPpi == NULL)) {\r | |
1159 | return EFI_INVALID_PARAMETER;\r | |
1160 | }\r | |
1161 | \r | |
1162 | return CoreFvHandle->FvPpi->GetFileInfo (CoreFvHandle->FvPpi, FileHandle, FileInfo);\r | |
1163 | }\r | |
1164 | \r | |
1165 | /**\r | |
1166 | Returns information about a specific file.\r | |
1167 | \r | |
1168 | @param FileHandle Handle of the file.\r | |
1169 | @param FileInfo Upon exit, points to the file's information.\r | |
1170 | \r | |
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 | |
1174 | \r | |
1175 | **/\r | |
1176 | EFI_STATUS\r | |
1177 | EFIAPI \r | |
1178 | PeiFfsGetFileInfo2 (\r | |
1179 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
1180 | OUT EFI_FV_FILE_INFO2 *FileInfo\r | |
1181 | )\r | |
1182 | {\r | |
1183 | PEI_CORE_FV_HANDLE *CoreFvHandle;\r | |
1184 | \r | |
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 | |
1192 | CoreFvHandle = FileHandleToVolume (FileHandle);\r | |
1193 | if ((CoreFvHandle == NULL) || (CoreFvHandle->FvPpi == NULL)) {\r | |
1194 | return EFI_INVALID_PARAMETER;\r | |
1195 | }\r | |
1196 | \r | |
1197 | if ((CoreFvHandle->FvPpi->Signature == EFI_PEI_FIRMWARE_VOLUME_PPI_SIGNATURE) &&\r | |
1198 | (CoreFvHandle->FvPpi->Revision == EFI_PEI_FIRMWARE_VOLUME_PPI_REVISION)) {\r | |
1199 | return CoreFvHandle->FvPpi->GetFileInfo2 (CoreFvHandle->FvPpi, FileHandle, FileInfo);\r | |
1200 | }\r | |
1201 | //\r | |
1202 | // The old FvPpi doesn't support to return file info with authentication status,\r | |
1203 | // so return EFI_UNSUPPORTED.\r | |
1204 | //\r | |
1205 | return EFI_UNSUPPORTED;\r | |
1206 | }\r | |
1207 | \r | |
1208 | /**\r | |
1209 | Returns information about the specified volume.\r | |
1210 | \r | |
1211 | This function returns information about a specific firmware\r | |
1212 | volume, including its name, type, attributes, starting address\r | |
1213 | and size.\r | |
1214 | \r | |
1215 | @param VolumeHandle Handle of the volume.\r | |
1216 | @param VolumeInfo Upon exit, points to the volume's information.\r | |
1217 | \r | |
1218 | @retval EFI_SUCCESS Volume information returned.\r | |
1219 | @retval EFI_INVALID_PARAMETER If VolumeHandle does not represent a valid volume.\r | |
1220 | @retval EFI_INVALID_PARAMETER If VolumeHandle is NULL.\r | |
1221 | @retval EFI_SUCCESS Information successfully returned.\r | |
1222 | @retval EFI_INVALID_PARAMETER The volume designated by the VolumeHandle is not available.\r | |
1223 | \r | |
1224 | **/\r | |
1225 | EFI_STATUS\r | |
1226 | EFIAPI \r | |
1227 | PeiFfsGetVolumeInfo (\r | |
1228 | IN EFI_PEI_FV_HANDLE VolumeHandle,\r | |
1229 | OUT EFI_FV_INFO *VolumeInfo\r | |
1230 | )\r | |
1231 | {\r | |
1232 | PEI_CORE_FV_HANDLE *CoreHandle;\r | |
1233 | \r | |
1234 | if ((VolumeInfo == NULL) || (VolumeHandle == NULL)) {\r | |
1235 | return EFI_INVALID_PARAMETER;\r | |
1236 | }\r | |
1237 | \r | |
1238 | CoreHandle = FvHandleToCoreHandle (VolumeHandle);\r | |
1239 | \r | |
1240 | if ((CoreHandle == NULL) || (CoreHandle->FvPpi == NULL)) {\r | |
1241 | return EFI_INVALID_PARAMETER;\r | |
1242 | }\r | |
1243 | \r | |
1244 | return CoreHandle->FvPpi->GetVolumeInfo (CoreHandle->FvPpi, VolumeHandle, VolumeInfo);\r | |
1245 | }\r | |
1246 | \r | |
1247 | /**\r | |
1248 | Get Fv image from the FV type file, then install FV INFO(2) ppi, Build FV hob.\r | |
1249 | \r | |
1250 | @param PrivateData PeiCore's private data structure\r | |
1251 | @param ParentFvCoreHandle Pointer of EFI_CORE_FV_HANDLE to parent Fv image that contain this Fv image.\r | |
1252 | @param ParentFvFileHandle File handle of a Fv type file that contain this Fv image.\r | |
1253 | \r | |
1254 | @retval EFI_NOT_FOUND FV image can't be found.\r | |
1255 | @retval EFI_SUCCESS Successfully to process it.\r | |
1256 | @retval EFI_OUT_OF_RESOURCES Can not allocate page when aligning FV image\r | |
1257 | @retval EFI_SECURITY_VIOLATION Image is illegal\r | |
1258 | @retval Others Can not find EFI_SECTION_FIRMWARE_VOLUME_IMAGE section\r | |
1259 | \r | |
1260 | **/\r | |
1261 | EFI_STATUS\r | |
1262 | ProcessFvFile (\r | |
1263 | IN PEI_CORE_INSTANCE *PrivateData,\r | |
1264 | IN PEI_CORE_FV_HANDLE *ParentFvCoreHandle,\r | |
1265 | IN EFI_PEI_FILE_HANDLE ParentFvFileHandle\r | |
1266 | )\r | |
1267 | {\r | |
1268 | EFI_STATUS Status;\r | |
1269 | EFI_FV_INFO ParentFvImageInfo;\r | |
1270 | UINT32 FvAlignment;\r | |
1271 | VOID *NewFvBuffer;\r | |
1272 | EFI_PEI_HOB_POINTERS HobPtr;\r | |
1273 | EFI_PEI_FIRMWARE_VOLUME_PPI *ParentFvPpi;\r | |
1274 | EFI_PEI_FV_HANDLE ParentFvHandle;\r | |
1275 | EFI_FIRMWARE_VOLUME_HEADER *FvHeader;\r | |
1276 | EFI_FV_FILE_INFO FileInfo;\r | |
1277 | UINT64 FvLength;\r | |
1278 | UINT32 AuthenticationStatus;\r | |
1279 | \r | |
1280 | //\r | |
1281 | // Check if this EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE file has already\r | |
1282 | // been extracted.\r | |
1283 | //\r | |
1284 | HobPtr.Raw = GetHobList ();\r | |
1285 | while ((HobPtr.Raw = GetNextHob (EFI_HOB_TYPE_FV2, HobPtr.Raw)) != NULL) {\r | |
1286 | if (CompareGuid (&(((EFI_FFS_FILE_HEADER *)ParentFvFileHandle)->Name), &HobPtr.FirmwareVolume2->FileName)) {\r | |
1287 | //\r | |
1288 | // this FILE has been dispatched, it will not be dispatched again.\r | |
1289 | //\r | |
1290 | DEBUG ((EFI_D_INFO, "FV file %p has been dispatched!\r\n", ParentFvFileHandle));\r | |
1291 | return EFI_SUCCESS;\r | |
1292 | }\r | |
1293 | HobPtr.Raw = GET_NEXT_HOB (HobPtr);\r | |
1294 | }\r | |
1295 | \r | |
1296 | ParentFvHandle = ParentFvCoreHandle->FvHandle;\r | |
1297 | ParentFvPpi = ParentFvCoreHandle->FvPpi;\r | |
1298 | \r | |
1299 | //\r | |
1300 | // Find FvImage in FvFile\r | |
1301 | //\r | |
1302 | AuthenticationStatus = 0;\r | |
1303 | if ((ParentFvPpi->Signature == EFI_PEI_FIRMWARE_VOLUME_PPI_SIGNATURE) &&\r | |
1304 | (ParentFvPpi->Revision == EFI_PEI_FIRMWARE_VOLUME_PPI_REVISION)) {\r | |
1305 | Status = ParentFvPpi->FindSectionByType2 (\r | |
1306 | ParentFvPpi,\r | |
1307 | EFI_SECTION_FIRMWARE_VOLUME_IMAGE,\r | |
1308 | 0,\r | |
1309 | ParentFvFileHandle,\r | |
1310 | (VOID **)&FvHeader,\r | |
1311 | &AuthenticationStatus\r | |
1312 | );\r | |
1313 | } else {\r | |
1314 | Status = ParentFvPpi->FindSectionByType (\r | |
1315 | ParentFvPpi,\r | |
1316 | EFI_SECTION_FIRMWARE_VOLUME_IMAGE,\r | |
1317 | ParentFvFileHandle,\r | |
1318 | (VOID **)&FvHeader\r | |
1319 | );\r | |
1320 | }\r | |
1321 | if (EFI_ERROR (Status)) {\r | |
1322 | return Status;\r | |
1323 | }\r | |
1324 | \r | |
1325 | Status = VerifyPeim (PrivateData, ParentFvHandle, ParentFvFileHandle, AuthenticationStatus);\r | |
1326 | if (Status == EFI_SECURITY_VIOLATION) {\r | |
1327 | return Status;\r | |
1328 | }\r | |
1329 | \r | |
1330 | //\r | |
1331 | // If EFI_FVB2_WEAK_ALIGNMENT is set in the volume header then the first byte of the volume\r | |
1332 | // can be aligned on any power-of-two boundary. A weakly aligned volume can not be moved from\r | |
1333 | // its initial linked location and maintain its alignment.\r | |
1334 | //\r | |
1335 | if ((ReadUnaligned32 (&FvHeader->Attributes) & EFI_FVB2_WEAK_ALIGNMENT) != EFI_FVB2_WEAK_ALIGNMENT) {\r | |
1336 | //\r | |
1337 | // FvAlignment must be greater than or equal to 8 bytes of the minimum FFS alignment value.\r | |
1338 | //\r | |
1339 | FvAlignment = 1 << ((ReadUnaligned32 (&FvHeader->Attributes) & EFI_FVB2_ALIGNMENT) >> 16);\r | |
1340 | if (FvAlignment < 8) {\r | |
1341 | FvAlignment = 8;\r | |
1342 | }\r | |
1343 | \r | |
1344 | //\r | |
1345 | // Check FvImage\r | |
1346 | //\r | |
1347 | if ((UINTN) FvHeader % FvAlignment != 0) {\r | |
1348 | FvLength = ReadUnaligned64 (&FvHeader->FvLength);\r | |
1349 | NewFvBuffer = AllocateAlignedPages (EFI_SIZE_TO_PAGES ((UINT32) FvLength), FvAlignment);\r | |
1350 | if (NewFvBuffer == NULL) {\r | |
1351 | return EFI_OUT_OF_RESOURCES;\r | |
1352 | }\r | |
1353 | CopyMem (NewFvBuffer, FvHeader, (UINTN) FvLength);\r | |
1354 | FvHeader = (EFI_FIRMWARE_VOLUME_HEADER*) NewFvBuffer;\r | |
1355 | }\r | |
1356 | }\r | |
1357 | \r | |
1358 | Status = ParentFvPpi->GetVolumeInfo (ParentFvPpi, ParentFvHandle, &ParentFvImageInfo);\r | |
1359 | ASSERT_EFI_ERROR (Status);\r | |
1360 | \r | |
1361 | Status = ParentFvPpi->GetFileInfo (ParentFvPpi, ParentFvFileHandle, &FileInfo);\r | |
1362 | ASSERT_EFI_ERROR (Status);\r | |
1363 | \r | |
1364 | //\r | |
1365 | // Install FvInfo(2) Ppi\r | |
1366 | //\r | |
1367 | PeiServicesInstallFvInfoPpi (\r | |
1368 | &FvHeader->FileSystemGuid,\r | |
1369 | (VOID**) FvHeader,\r | |
1370 | (UINT32) FvHeader->FvLength,\r | |
1371 | &ParentFvImageInfo.FvName,\r | |
1372 | &FileInfo.FileName\r | |
1373 | );\r | |
1374 | \r | |
1375 | PeiServicesInstallFvInfo2Ppi (\r | |
1376 | &FvHeader->FileSystemGuid,\r | |
1377 | (VOID**) FvHeader,\r | |
1378 | (UINT32) FvHeader->FvLength,\r | |
1379 | &ParentFvImageInfo.FvName,\r | |
1380 | &FileInfo.FileName,\r | |
1381 | AuthenticationStatus\r | |
1382 | );\r | |
1383 | \r | |
1384 | //\r | |
1385 | // Inform the extracted FvImage to Fv HOB consumer phase, i.e. DXE phase\r | |
1386 | //\r | |
1387 | BuildFvHob (\r | |
1388 | (EFI_PHYSICAL_ADDRESS) (UINTN) FvHeader,\r | |
1389 | FvHeader->FvLength\r | |
1390 | );\r | |
1391 | \r | |
1392 | //\r | |
1393 | // Makes the encapsulated volume show up in DXE phase to skip processing of\r | |
1394 | // encapsulated file again.\r | |
1395 | //\r | |
1396 | BuildFv2Hob (\r | |
1397 | (EFI_PHYSICAL_ADDRESS) (UINTN) FvHeader,\r | |
1398 | FvHeader->FvLength,\r | |
1399 | &ParentFvImageInfo.FvName,\r | |
1400 | &FileInfo.FileName\r | |
1401 | );\r | |
1402 | \r | |
1403 | return EFI_SUCCESS;\r | |
1404 | }\r | |
1405 | \r | |
1406 | /**\r | |
1407 | Process a firmware volume and create a volume handle.\r | |
1408 | \r | |
1409 | Create a volume handle from the information in the buffer. For\r | |
1410 | memory-mapped firmware volumes, Buffer and BufferSize refer to\r | |
1411 | the start of the firmware volume and the firmware volume size.\r | |
1412 | For non memory-mapped firmware volumes, this points to a\r | |
1413 | buffer which contains the necessary information for creating\r | |
1414 | the firmware volume handle. Normally, these values are derived\r | |
1415 | from the EFI_FIRMWARE_VOLUME_INFO_PPI.\r | |
1416 | \r | |
1417 | \r | |
1418 | @param This Points to this instance of the\r | |
1419 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
1420 | @param Buffer Points to the start of the buffer.\r | |
1421 | @param BufferSize Size of the buffer.\r | |
1422 | @param FvHandle Points to the returned firmware volume\r | |
1423 | handle. The firmware volume handle must\r | |
1424 | be unique within the system. \r | |
1425 | \r | |
1426 | @retval EFI_SUCCESS Firmware volume handle created.\r | |
1427 | @retval EFI_VOLUME_CORRUPTED Volume was corrupt.\r | |
1428 | \r | |
1429 | **/\r | |
1430 | EFI_STATUS\r | |
1431 | EFIAPI\r | |
1432 | PeiFfsFvPpiProcessVolume (\r | |
1433 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r | |
1434 | IN VOID *Buffer,\r | |
1435 | IN UINTN BufferSize,\r | |
1436 | OUT EFI_PEI_FV_HANDLE *FvHandle\r | |
1437 | )\r | |
1438 | {\r | |
1439 | EFI_STATUS Status;\r | |
1440 | \r | |
1441 | ASSERT (FvHandle != NULL);\r | |
1442 | \r | |
1443 | if (Buffer == NULL) {\r | |
1444 | return EFI_VOLUME_CORRUPTED;\r | |
1445 | }\r | |
1446 | \r | |
1447 | //\r | |
1448 | // The build-in EFI_PEI_FIRMWARE_VOLUME_PPI for FFS2/FFS3 support memory-mapped\r | |
1449 | // FV image and the handle is pointed to Fv image's buffer.\r | |
1450 | //\r | |
1451 | *FvHandle = (EFI_PEI_FV_HANDLE) Buffer;\r | |
1452 | \r | |
1453 | //\r | |
1454 | // Do verify for given FV buffer.\r | |
1455 | //\r | |
1456 | Status = VerifyFv ((EFI_FIRMWARE_VOLUME_HEADER*) Buffer);\r | |
1457 | if (EFI_ERROR(Status)) {\r | |
1458 | DEBUG ((EFI_D_ERROR, "Fail to verify FV which address is 0x%11p", Buffer));\r | |
1459 | return EFI_VOLUME_CORRUPTED;\r | |
1460 | }\r | |
1461 | \r | |
1462 | return EFI_SUCCESS;\r | |
1463 | } \r | |
1464 | \r | |
1465 | /**\r | |
1466 | Finds the next file of the specified type.\r | |
1467 | \r | |
1468 | This service enables PEI modules to discover additional firmware files. \r | |
1469 | The FileHandle must be unique within the system.\r | |
1470 | \r | |
1471 | @param This Points to this instance of the\r | |
1472 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
1473 | @param SearchType A filter to find only files of this type. Type\r | |
1474 | EFI_FV_FILETYPE_ALL causes no filtering to be\r | |
1475 | done.\r | |
1476 | @param FvHandle Handle of firmware volume in which to\r | |
1477 | search.\r | |
1478 | @param FileHandle Points to the current handle from which to\r | |
1479 | begin searching or NULL to start at the\r | |
1480 | beginning of the firmware volume. Updated\r | |
1481 | upon return to reflect the file found.\r | |
1482 | \r | |
1483 | @retval EFI_SUCCESS The file was found.\r | |
1484 | @retval EFI_NOT_FOUND The file was not found. FileHandle contains NULL.\r | |
1485 | \r | |
1486 | **/\r | |
1487 | EFI_STATUS\r | |
1488 | EFIAPI\r | |
1489 | PeiFfsFvPpiFindFileByType (\r | |
1490 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r | |
1491 | IN EFI_FV_FILETYPE SearchType,\r | |
1492 | IN EFI_PEI_FV_HANDLE FvHandle,\r | |
1493 | IN OUT EFI_PEI_FILE_HANDLE *FileHandle\r | |
1494 | )\r | |
1495 | { \r | |
1496 | return FindFileEx (FvHandle, NULL, SearchType, FileHandle, NULL);\r | |
1497 | }\r | |
1498 | \r | |
1499 | /**\r | |
1500 | Find a file within a volume by its name. \r | |
1501 | \r | |
1502 | This service searches for files with a specific name, within\r | |
1503 | either the specified firmware volume or all firmware volumes.\r | |
1504 | \r | |
1505 | @param This Points to this instance of the\r | |
1506 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
1507 | @param FileName A pointer to the name of the file to find\r | |
1508 | within the firmware volume.\r | |
1509 | @param FvHandle Upon entry, the pointer to the firmware\r | |
1510 | volume to search or NULL if all firmware\r | |
1511 | volumes should be searched. Upon exit, the\r | |
1512 | actual firmware volume in which the file was\r | |
1513 | found.\r | |
1514 | @param FileHandle Upon exit, points to the found file's\r | |
1515 | handle or NULL if it could not be found.\r | |
1516 | \r | |
1517 | @retval EFI_SUCCESS File was found.\r | |
1518 | @retval EFI_NOT_FOUND File was not found.\r | |
1519 | @retval EFI_INVALID_PARAMETER FvHandle or FileHandle or\r | |
1520 | FileName was NULL.\r | |
1521 | \r | |
1522 | \r | |
1523 | **/\r | |
1524 | EFI_STATUS\r | |
1525 | EFIAPI\r | |
1526 | PeiFfsFvPpiFindFileByName (\r | |
1527 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r | |
1528 | IN CONST EFI_GUID *FileName,\r | |
1529 | IN EFI_PEI_FV_HANDLE *FvHandle,\r | |
1530 | OUT EFI_PEI_FILE_HANDLE *FileHandle \r | |
1531 | )\r | |
1532 | {\r | |
1533 | EFI_STATUS Status;\r | |
1534 | PEI_CORE_INSTANCE *PrivateData;\r | |
1535 | UINTN Index;\r | |
1536 | \r | |
1537 | if ((FvHandle == NULL) || (FileName == NULL) || (FileHandle == NULL)) {\r | |
1538 | return EFI_INVALID_PARAMETER;\r | |
1539 | }\r | |
1540 | \r | |
1541 | if (*FvHandle != NULL) {\r | |
1542 | Status = FindFileEx (*FvHandle, FileName, 0, FileHandle, NULL);\r | |
1543 | if (Status == EFI_NOT_FOUND) {\r | |
1544 | *FileHandle = NULL;\r | |
1545 | }\r | |
1546 | } else { \r | |
1547 | //\r | |
1548 | // If *FvHandle = NULL, so search all FV for given filename\r | |
1549 | //\r | |
1550 | Status = EFI_NOT_FOUND;\r | |
1551 | \r | |
1552 | PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (GetPeiServicesTablePointer());\r | |
1553 | for (Index = 0; Index < PrivateData->FvCount; Index ++) {\r | |
1554 | //\r | |
1555 | // Only search the FV which is associated with a EFI_PEI_FIRMWARE_VOLUME_PPI instance.\r | |
1556 | //\r | |
1557 | if (PrivateData->Fv[Index].FvPpi != NULL) {\r | |
1558 | Status = FindFileEx (PrivateData->Fv[Index].FvHandle, FileName, 0, FileHandle, NULL);\r | |
1559 | if (!EFI_ERROR (Status)) {\r | |
1560 | *FvHandle = PrivateData->Fv[Index].FvHandle;\r | |
1561 | break;\r | |
1562 | }\r | |
1563 | }\r | |
1564 | }\r | |
1565 | }\r | |
1566 | \r | |
1567 | return Status; \r | |
1568 | } \r | |
1569 | \r | |
1570 | /**\r | |
1571 | Returns information about a specific file.\r | |
1572 | \r | |
1573 | This function returns information about a specific\r | |
1574 | file, including its file name, type, attributes, starting\r | |
1575 | address and size. \r | |
1576 | \r | |
1577 | @param This Points to this instance of the\r | |
1578 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
1579 | @param FileHandle Handle of the file.\r | |
1580 | @param FileInfo Upon exit, points to the file's\r | |
1581 | information.\r | |
1582 | \r | |
1583 | @retval EFI_SUCCESS File information returned.\r | |
1584 | @retval EFI_INVALID_PARAMETER If FileHandle does not\r | |
1585 | represent a valid file.\r | |
1586 | @retval EFI_INVALID_PARAMETER If FileInfo is NULL.\r | |
1587 | \r | |
1588 | **/ \r | |
1589 | EFI_STATUS\r | |
1590 | EFIAPI\r | |
1591 | PeiFfsFvPpiGetFileInfo (\r | |
1592 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This, \r | |
1593 | IN EFI_PEI_FILE_HANDLE FileHandle, \r | |
1594 | OUT EFI_FV_FILE_INFO *FileInfo\r | |
1595 | )\r | |
1596 | {\r | |
1597 | UINT8 FileState;\r | |
1598 | UINT8 ErasePolarity;\r | |
1599 | EFI_FFS_FILE_HEADER *FileHeader;\r | |
1600 | PEI_CORE_FV_HANDLE *CoreFvHandle;\r | |
1601 | PEI_FW_VOL_INSTANCE *FwVolInstance;\r | |
1602 | \r | |
1603 | if ((FileHandle == NULL) || (FileInfo == NULL)) {\r | |
1604 | return EFI_INVALID_PARAMETER;\r | |
1605 | }\r | |
1606 | \r | |
1607 | //\r | |
1608 | // Retrieve the FirmwareVolume which the file resides in.\r | |
1609 | //\r | |
1610 | CoreFvHandle = FileHandleToVolume (FileHandle);\r | |
1611 | if (CoreFvHandle == NULL) {\r | |
1612 | return EFI_INVALID_PARAMETER;\r | |
1613 | }\r | |
1614 | \r | |
1615 | FwVolInstance = PEI_FW_VOL_INSTANCE_FROM_FV_THIS (This);\r | |
1616 | \r | |
1617 | if ((CoreFvHandle->FvHeader->Attributes & EFI_FVB2_ERASE_POLARITY) != 0) {\r | |
1618 | ErasePolarity = 1;\r | |
1619 | } else {\r | |
1620 | ErasePolarity = 0;\r | |
1621 | }\r | |
1622 | \r | |
1623 | //\r | |
1624 | // Get FileState which is the highest bit of the State \r | |
1625 | //\r | |
1626 | FileState = GetFileState (ErasePolarity, (EFI_FFS_FILE_HEADER*)FileHandle);\r | |
1627 | \r | |
1628 | switch (FileState) {\r | |
1629 | case EFI_FILE_DATA_VALID:\r | |
1630 | case EFI_FILE_MARKED_FOR_UPDATE:\r | |
1631 | break; \r | |
1632 | default:\r | |
1633 | return EFI_INVALID_PARAMETER;\r | |
1634 | }\r | |
1635 | \r | |
1636 | FileHeader = (EFI_FFS_FILE_HEADER *)FileHandle;\r | |
1637 | if (IS_FFS_FILE2 (FileHeader)) {\r | |
1638 | ASSERT (FFS_FILE2_SIZE (FileHeader) > 0x00FFFFFF);\r | |
1639 | if (!FwVolInstance->IsFfs3Fv) {\r | |
1640 | DEBUG ((EFI_D_ERROR, "It is a FFS3 formatted file: %g in a non-FFS3 formatted FV.\n", &FileHeader->Name));\r | |
1641 | return EFI_INVALID_PARAMETER;\r | |
1642 | }\r | |
1643 | FileInfo->BufferSize = FFS_FILE2_SIZE (FileHeader) - sizeof (EFI_FFS_FILE_HEADER2);\r | |
1644 | FileInfo->Buffer = (UINT8 *) FileHeader + sizeof (EFI_FFS_FILE_HEADER2);\r | |
1645 | } else {\r | |
1646 | FileInfo->BufferSize = FFS_FILE_SIZE (FileHeader) - sizeof (EFI_FFS_FILE_HEADER);\r | |
1647 | FileInfo->Buffer = (UINT8 *) FileHeader + sizeof (EFI_FFS_FILE_HEADER);\r | |
1648 | }\r | |
1649 | CopyMem (&FileInfo->FileName, &FileHeader->Name, sizeof(EFI_GUID));\r | |
1650 | FileInfo->FileType = FileHeader->Type;\r | |
1651 | FileInfo->FileAttributes = FfsAttributes2FvFileAttributes (FileHeader->Attributes);\r | |
1652 | if ((CoreFvHandle->FvHeader->Attributes & EFI_FVB2_MEMORY_MAPPED) == EFI_FVB2_MEMORY_MAPPED) {\r | |
1653 | FileInfo->FileAttributes |= EFI_FV_FILE_ATTRIB_MEMORY_MAPPED;\r | |
1654 | }\r | |
1655 | return EFI_SUCCESS;\r | |
1656 | }\r | |
1657 | \r | |
1658 | /**\r | |
1659 | Returns information about a specific file.\r | |
1660 | \r | |
1661 | This function returns information about a specific\r | |
1662 | file, including its file name, type, attributes, starting\r | |
1663 | address, size and authentication status.\r | |
1664 | \r | |
1665 | @param This Points to this instance of the\r | |
1666 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
1667 | @param FileHandle Handle of the file.\r | |
1668 | @param FileInfo Upon exit, points to the file's\r | |
1669 | information.\r | |
1670 | \r | |
1671 | @retval EFI_SUCCESS File information returned.\r | |
1672 | @retval EFI_INVALID_PARAMETER If FileHandle does not\r | |
1673 | represent a valid file.\r | |
1674 | @retval EFI_INVALID_PARAMETER If FileInfo is NULL.\r | |
1675 | \r | |
1676 | **/\r | |
1677 | EFI_STATUS\r | |
1678 | EFIAPI\r | |
1679 | PeiFfsFvPpiGetFileInfo2 (\r | |
1680 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This, \r | |
1681 | IN EFI_PEI_FILE_HANDLE FileHandle, \r | |
1682 | OUT EFI_FV_FILE_INFO2 *FileInfo\r | |
1683 | )\r | |
1684 | {\r | |
1685 | EFI_STATUS Status;\r | |
1686 | PEI_CORE_FV_HANDLE *CoreFvHandle;\r | |
1687 | \r | |
1688 | if ((FileHandle == NULL) || (FileInfo == NULL)) {\r | |
1689 | return EFI_INVALID_PARAMETER;\r | |
1690 | }\r | |
1691 | \r | |
1692 | //\r | |
1693 | // Retrieve the FirmwareVolume which the file resides in.\r | |
1694 | //\r | |
1695 | CoreFvHandle = FileHandleToVolume (FileHandle);\r | |
1696 | if (CoreFvHandle == NULL) {\r | |
1697 | return EFI_INVALID_PARAMETER;\r | |
1698 | }\r | |
1699 | \r | |
1700 | Status = PeiFfsFvPpiGetFileInfo (This, FileHandle, (EFI_FV_FILE_INFO *) FileInfo);\r | |
1701 | if (!EFI_ERROR (Status)) {\r | |
1702 | FileInfo->AuthenticationStatus = CoreFvHandle->AuthenticationStatus;\r | |
1703 | }\r | |
1704 | \r | |
1705 | return Status;\r | |
1706 | }\r | |
1707 | \r | |
1708 | /**\r | |
1709 | This function returns information about the firmware volume.\r | |
1710 | \r | |
1711 | @param This Points to this instance of the\r | |
1712 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
1713 | @param FvHandle Handle to the firmware handle.\r | |
1714 | @param VolumeInfo Points to the returned firmware volume\r | |
1715 | information.\r | |
1716 | \r | |
1717 | @retval EFI_SUCCESS Information returned successfully.\r | |
1718 | @retval EFI_INVALID_PARAMETER FvHandle does not indicate a valid\r | |
1719 | firmware volume or VolumeInfo is NULL.\r | |
1720 | \r | |
1721 | **/ \r | |
1722 | EFI_STATUS\r | |
1723 | EFIAPI\r | |
1724 | PeiFfsFvPpiGetVolumeInfo (\r | |
1725 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This, \r | |
1726 | IN EFI_PEI_FV_HANDLE FvHandle, \r | |
1727 | OUT EFI_FV_INFO *VolumeInfo\r | |
1728 | )\r | |
1729 | {\r | |
1730 | EFI_FIRMWARE_VOLUME_HEADER FwVolHeader;\r | |
1731 | EFI_FIRMWARE_VOLUME_EXT_HEADER *FwVolExHeaderInfo;\r | |
1732 | \r | |
1733 | if ((VolumeInfo == NULL) || (FvHandle == NULL)) {\r | |
1734 | return EFI_INVALID_PARAMETER;\r | |
1735 | }\r | |
1736 | \r | |
1737 | //\r | |
1738 | // VolumeHandle may not align at 8 byte, \r | |
1739 | // but FvLength is UINT64 type, which requires FvHeader align at least 8 byte. \r | |
1740 | // So, Copy FvHeader into the local FvHeader structure.\r | |
1741 | //\r | |
1742 | CopyMem (&FwVolHeader, FvHandle, sizeof (EFI_FIRMWARE_VOLUME_HEADER));\r | |
1743 | \r | |
1744 | //\r | |
1745 | // Check Fv Image Signature\r | |
1746 | //\r | |
1747 | if (FwVolHeader.Signature != EFI_FVH_SIGNATURE) {\r | |
1748 | return EFI_INVALID_PARAMETER;\r | |
1749 | }\r | |
1750 | \r | |
1751 | ZeroMem (VolumeInfo, sizeof (EFI_FV_INFO));\r | |
1752 | VolumeInfo->FvAttributes = FwVolHeader.Attributes;\r | |
1753 | VolumeInfo->FvStart = (VOID *) FvHandle;\r | |
1754 | VolumeInfo->FvSize = FwVolHeader.FvLength;\r | |
1755 | CopyMem (&VolumeInfo->FvFormat, &FwVolHeader.FileSystemGuid, sizeof(EFI_GUID));\r | |
1756 | \r | |
1757 | if (FwVolHeader.ExtHeaderOffset != 0) {\r | |
1758 | FwVolExHeaderInfo = (EFI_FIRMWARE_VOLUME_EXT_HEADER*)(((UINT8 *)FvHandle) + FwVolHeader.ExtHeaderOffset);\r | |
1759 | CopyMem (&VolumeInfo->FvName, &FwVolExHeaderInfo->FvName, sizeof(EFI_GUID));\r | |
1760 | }\r | |
1761 | \r | |
1762 | return EFI_SUCCESS; \r | |
1763 | } \r | |
1764 | \r | |
1765 | /**\r | |
1766 | Find the next matching section in the firmware file.\r | |
1767 | \r | |
1768 | This service enables PEI modules to discover sections\r | |
1769 | of a given type within a valid file.\r | |
1770 | \r | |
1771 | @param This Points to this instance of the\r | |
1772 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
1773 | @param SearchType A filter to find only sections of this\r | |
1774 | type.\r | |
1775 | @param FileHandle Handle of firmware file in which to\r | |
1776 | search.\r | |
1777 | @param SectionData Updated upon return to point to the\r | |
1778 | section found.\r | |
1779 | \r | |
1780 | @retval EFI_SUCCESS Section was found.\r | |
1781 | @retval EFI_NOT_FOUND Section of the specified type was not\r | |
1782 | found. SectionData contains NULL.\r | |
1783 | **/\r | |
1784 | EFI_STATUS\r | |
1785 | EFIAPI\r | |
1786 | PeiFfsFvPpiFindSectionByType (\r | |
1787 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r | |
1788 | IN EFI_SECTION_TYPE SearchType,\r | |
1789 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
1790 | OUT VOID **SectionData\r | |
1791 | )\r | |
1792 | {\r | |
1793 | UINT32 AuthenticationStatus;\r | |
1794 | return PeiFfsFvPpiFindSectionByType2 (This, SearchType, 0, FileHandle, SectionData, &AuthenticationStatus);\r | |
1795 | }\r | |
1796 | \r | |
1797 | /**\r | |
1798 | Find the next matching section in the firmware file.\r | |
1799 | \r | |
1800 | This service enables PEI modules to discover sections\r | |
1801 | of a given instance and type within a valid file.\r | |
1802 | \r | |
1803 | @param This Points to this instance of the\r | |
1804 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
1805 | @param SearchType A filter to find only sections of this\r | |
1806 | type.\r | |
1807 | @param SearchInstance A filter to find the specific instance\r | |
1808 | of sections.\r | |
1809 | @param FileHandle Handle of firmware file in which to\r | |
1810 | search.\r | |
1811 | @param SectionData Updated upon return to point to the\r | |
1812 | section found.\r | |
1813 | @param AuthenticationStatus Updated upon return to point to the\r | |
1814 | authentication status for this section.\r | |
1815 | \r | |
1816 | @retval EFI_SUCCESS Section was found.\r | |
1817 | @retval EFI_NOT_FOUND Section of the specified type was not\r | |
1818 | found. SectionData contains NULL.\r | |
1819 | **/\r | |
1820 | EFI_STATUS\r | |
1821 | EFIAPI\r | |
1822 | PeiFfsFvPpiFindSectionByType2 (\r | |
1823 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r | |
1824 | IN EFI_SECTION_TYPE SearchType,\r | |
1825 | IN UINTN SearchInstance,\r | |
1826 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
1827 | OUT VOID **SectionData,\r | |
1828 | OUT UINT32 *AuthenticationStatus\r | |
1829 | )\r | |
1830 | {\r | |
1831 | EFI_STATUS Status;\r | |
1832 | EFI_FFS_FILE_HEADER *FfsFileHeader;\r | |
1833 | UINT32 FileSize;\r | |
1834 | EFI_COMMON_SECTION_HEADER *Section;\r | |
1835 | PEI_FW_VOL_INSTANCE *FwVolInstance;\r | |
1836 | PEI_CORE_FV_HANDLE *CoreFvHandle;\r | |
1837 | UINTN Instance;\r | |
1838 | UINT32 ExtractedAuthenticationStatus;\r | |
1839 | \r | |
1840 | if (SectionData == NULL) {\r | |
1841 | return EFI_NOT_FOUND;\r | |
1842 | }\r | |
1843 | \r | |
1844 | FwVolInstance = PEI_FW_VOL_INSTANCE_FROM_FV_THIS (This);\r | |
1845 | \r | |
1846 | //\r | |
1847 | // Retrieve the FirmwareVolume which the file resides in.\r | |
1848 | //\r | |
1849 | CoreFvHandle = FileHandleToVolume (FileHandle);\r | |
1850 | if (CoreFvHandle == NULL) {\r | |
1851 | return EFI_NOT_FOUND;\r | |
1852 | }\r | |
1853 | \r | |
1854 | FfsFileHeader = (EFI_FFS_FILE_HEADER *)(FileHandle);\r | |
1855 | \r | |
1856 | if (IS_FFS_FILE2 (FfsFileHeader)) {\r | |
1857 | ASSERT (FFS_FILE2_SIZE (FfsFileHeader) > 0x00FFFFFF);\r | |
1858 | if (!FwVolInstance->IsFfs3Fv) {\r | |
1859 | DEBUG ((EFI_D_ERROR, "It is a FFS3 formatted file: %g in a non-FFS3 formatted FV.\n", &FfsFileHeader->Name));\r | |
1860 | return EFI_NOT_FOUND;\r | |
1861 | }\r | |
1862 | Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER2));\r | |
1863 | FileSize = FFS_FILE2_SIZE (FfsFileHeader) - sizeof (EFI_FFS_FILE_HEADER2);\r | |
1864 | } else {\r | |
1865 | Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER));\r | |
1866 | FileSize = FFS_FILE_SIZE (FfsFileHeader) - sizeof (EFI_FFS_FILE_HEADER);\r | |
1867 | }\r | |
1868 | \r | |
1869 | Instance = SearchInstance + 1;\r | |
1870 | ExtractedAuthenticationStatus = 0;\r | |
1871 | Status = ProcessSection (\r | |
1872 | GetPeiServicesTablePointer (),\r | |
1873 | SearchType,\r | |
1874 | &Instance,\r | |
1875 | Section, \r | |
1876 | FileSize, \r | |
1877 | SectionData,\r | |
1878 | &ExtractedAuthenticationStatus,\r | |
1879 | FwVolInstance->IsFfs3Fv\r | |
1880 | );\r | |
1881 | if (!EFI_ERROR (Status)) {\r | |
1882 | //\r | |
1883 | // Inherit the authentication status.\r | |
1884 | //\r | |
1885 | *AuthenticationStatus = ExtractedAuthenticationStatus | CoreFvHandle->AuthenticationStatus;\r | |
1886 | }\r | |
1887 | return Status;\r | |
1888 | }\r | |
1889 | \r | |
1890 | /**\r | |
1891 | Convert the handle of FV to pointer of corresponding PEI_CORE_FV_HANDLE.\r | |
1892 | \r | |
1893 | @param FvHandle The handle of a FV.\r | |
1894 | \r | |
1895 | @retval NULL if can not find.\r | |
1896 | @return Pointer of corresponding PEI_CORE_FV_HANDLE. \r | |
1897 | **/\r | |
1898 | PEI_CORE_FV_HANDLE *\r | |
1899 | FvHandleToCoreHandle (\r | |
1900 | IN EFI_PEI_FV_HANDLE FvHandle\r | |
1901 | )\r | |
1902 | {\r | |
1903 | UINTN Index;\r | |
1904 | PEI_CORE_INSTANCE *PrivateData;\r | |
1905 | \r | |
1906 | PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (GetPeiServicesTablePointer()); \r | |
1907 | for (Index = 0; Index < PrivateData->FvCount; Index ++) {\r | |
1908 | if (FvHandle == PrivateData->Fv[Index].FvHandle) {\r | |
1909 | return &PrivateData->Fv[Index];\r | |
1910 | }\r | |
1911 | }\r | |
1912 | \r | |
1913 | return NULL;\r | |
1914 | } \r | |
1915 | \r | |
1916 | /**\r | |
1917 | Get instance of PEI_CORE_FV_HANDLE for next volume according to given index.\r | |
1918 | \r | |
1919 | This routine also will install FvInfo ppi for FV hob in PI ways.\r | |
1920 | \r | |
1921 | @param Private Pointer of PEI_CORE_INSTANCE\r | |
1922 | @param Instance The index of FV want to be searched.\r | |
1923 | \r | |
1924 | @return Instance of PEI_CORE_FV_HANDLE.\r | |
1925 | **/\r | |
1926 | PEI_CORE_FV_HANDLE *\r | |
1927 | FindNextCoreFvHandle (\r | |
1928 | IN PEI_CORE_INSTANCE *Private,\r | |
1929 | IN UINTN Instance\r | |
1930 | )\r | |
1931 | {\r | |
1932 | UINTN Index;\r | |
1933 | BOOLEAN Match;\r | |
1934 | EFI_HOB_FIRMWARE_VOLUME *FvHob;\r | |
1935 | \r | |
1936 | //\r | |
1937 | // Handle Framework FvHob and Install FvInfo Ppi for it.\r | |
1938 | //\r | |
1939 | if (FeaturePcdGet (PcdFrameworkCompatibilitySupport)) {\r | |
1940 | //\r | |
1941 | // Loop to search the wanted FirmwareVolume which supports FFS\r | |
1942 | //\r | |
1943 | FvHob = (EFI_HOB_FIRMWARE_VOLUME *)GetFirstHob (EFI_HOB_TYPE_FV);\r | |
1944 | while (FvHob != NULL) {\r | |
1945 | //\r | |
1946 | // Search whether FvHob has been installed into PeiCore's FV database.\r | |
1947 | // If found, no need install new FvInfoPpi for it.\r | |
1948 | //\r | |
1949 | for (Index = 0, Match = FALSE; Index < Private->FvCount; Index++) {\r | |
1950 | if ((EFI_PEI_FV_HANDLE)(UINTN)FvHob->BaseAddress == Private->Fv[Index].FvHeader) {\r | |
1951 | Match = TRUE;\r | |
1952 | break;\r | |
1953 | }\r | |
1954 | }\r | |
1955 | \r | |
1956 | //\r | |
1957 | // Search whether FvHob has been cached into PeiCore's Unknown FV database.\r | |
1958 | // If found, no need install new FvInfoPpi for it.\r | |
1959 | //\r | |
1960 | if (!Match) {\r | |
1961 | for (Index = 0; Index < Private->UnknownFvInfoCount; Index ++) {\r | |
1962 | if ((UINTN)FvHob->BaseAddress == (UINTN)Private->UnknownFvInfo[Index].FvInfo) {\r | |
1963 | Match = TRUE;\r | |
1964 | break;\r | |
1965 | }\r | |
1966 | }\r | |
1967 | }\r | |
1968 | \r | |
1969 | //\r | |
1970 | // If the Fv in FvHob has not been installed into PeiCore's FV database and has\r | |
1971 | // not been cached into PeiCore's Unknown FV database, install a new FvInfoPpi\r | |
1972 | // for it then PeiCore will dispatch it in callback of FvInfoPpi.\r | |
1973 | //\r | |
1974 | if (!Match) {\r | |
1975 | PeiServicesInstallFvInfoPpi (\r | |
1976 | &(((EFI_FIRMWARE_VOLUME_HEADER *)(UINTN)FvHob->BaseAddress)->FileSystemGuid),\r | |
1977 | (VOID *)(UINTN)FvHob->BaseAddress,\r | |
1978 | (UINT32)FvHob->Length,\r | |
1979 | NULL,\r | |
1980 | NULL\r | |
1981 | );\r | |
1982 | }\r | |
1983 | \r | |
1984 | FvHob = (EFI_HOB_FIRMWARE_VOLUME *)GetNextHob (EFI_HOB_TYPE_FV, (VOID *)((UINTN)FvHob + FvHob->Header.HobLength)); \r | |
1985 | }\r | |
1986 | }\r | |
1987 | \r | |
1988 | ASSERT (Private->FvCount <= PcdGet32 (PcdPeiCoreMaxFvSupported));\r | |
1989 | if (Instance >= Private->FvCount) {\r | |
1990 | return NULL;\r | |
1991 | }\r | |
1992 | \r | |
1993 | return &Private->Fv[Instance];\r | |
1994 | } \r | |
1995 | \r | |
1996 | /**\r | |
1997 | After PeiCore image is shadowed into permanent memory, all build-in FvPpi should\r | |
1998 | be re-installed with the instance in permanent memory and all cached FvPpi pointers in \r | |
1999 | PrivateData->Fv[] array should be fixed up to be pointed to the one in permenant\r | |
2000 | memory.\r | |
2001 | \r | |
2002 | @param PrivateData Pointer to PEI_CORE_INSTANCE.\r | |
2003 | **/ \r | |
2004 | VOID\r | |
2005 | PeiReinitializeFv (\r | |
2006 | IN PEI_CORE_INSTANCE *PrivateData\r | |
2007 | )\r | |
2008 | {\r | |
2009 | VOID *OldFfsFvPpi;\r | |
2010 | EFI_PEI_PPI_DESCRIPTOR *OldDescriptor;\r | |
2011 | UINTN Index;\r | |
2012 | EFI_STATUS Status;\r | |
2013 | \r | |
2014 | //\r | |
2015 | // Locate old build-in Ffs2 EFI_PEI_FIRMWARE_VOLUME_PPI which\r | |
2016 | // in flash.\r | |
2017 | //\r | |
2018 | Status = PeiServicesLocatePpi (\r | |
2019 | &gEfiFirmwareFileSystem2Guid,\r | |
2020 | 0,\r | |
2021 | &OldDescriptor,\r | |
2022 | &OldFfsFvPpi\r | |
2023 | );\r | |
2024 | ASSERT_EFI_ERROR (Status);\r | |
2025 | \r | |
2026 | //\r | |
2027 | // Re-install the EFI_PEI_FIRMWARE_VOLUME_PPI for build-in Ffs2\r | |
2028 | // which is shadowed from flash to permanent memory within PeiCore image.\r | |
2029 | //\r | |
2030 | Status = PeiServicesReInstallPpi (OldDescriptor, &mPeiFfs2FvPpiList);\r | |
2031 | ASSERT_EFI_ERROR (Status);\r | |
2032 | \r | |
2033 | //\r | |
2034 | // Fixup all FvPpi pointers for the implementation in flash to permanent memory.\r | |
2035 | //\r | |
2036 | for (Index = 0; Index < PcdGet32 (PcdPeiCoreMaxFvSupported); Index ++) {\r | |
2037 | if (PrivateData->Fv[Index].FvPpi == OldFfsFvPpi) {\r | |
2038 | PrivateData->Fv[Index].FvPpi = &mPeiFfs2FwVol.Fv;\r | |
2039 | }\r | |
2040 | }\r | |
2041 | \r | |
2042 | //\r | |
2043 | // Locate old build-in Ffs3 EFI_PEI_FIRMWARE_VOLUME_PPI which\r | |
2044 | // in flash.\r | |
2045 | //\r | |
2046 | Status = PeiServicesLocatePpi (\r | |
2047 | &gEfiFirmwareFileSystem3Guid,\r | |
2048 | 0,\r | |
2049 | &OldDescriptor,\r | |
2050 | &OldFfsFvPpi\r | |
2051 | );\r | |
2052 | ASSERT_EFI_ERROR (Status);\r | |
2053 | \r | |
2054 | //\r | |
2055 | // Re-install the EFI_PEI_FIRMWARE_VOLUME_PPI for build-in Ffs3\r | |
2056 | // which is shadowed from flash to permanent memory within PeiCore image.\r | |
2057 | //\r | |
2058 | Status = PeiServicesReInstallPpi (OldDescriptor, &mPeiFfs3FvPpiList);\r | |
2059 | ASSERT_EFI_ERROR (Status);\r | |
2060 | \r | |
2061 | //\r | |
2062 | // Fixup all FvPpi pointers for the implementation in flash to permanent memory.\r | |
2063 | //\r | |
2064 | for (Index = 0; Index < PcdGet32 (PcdPeiCoreMaxFvSupported); Index ++) {\r | |
2065 | if (PrivateData->Fv[Index].FvPpi == OldFfsFvPpi) {\r | |
2066 | PrivateData->Fv[Index].FvPpi = &mPeiFfs3FwVol.Fv;\r | |
2067 | }\r | |
2068 | }\r | |
2069 | }\r | |
2070 | \r | |
2071 | /**\r | |
2072 | Report the information for a new discoveried FV in unknown third-party format.\r | |
2073 | \r | |
2074 | If the EFI_PEI_FIRMWARE_VOLUME_PPI has not been installed for third-party FV format, but\r | |
2075 | the FV in this format has been discoveried, then this FV's information will be cached into\r | |
2076 | PEI_CORE_INSTANCE's UnknownFvInfo array.\r | |
2077 | Also a notification would be installed for unknown third-party FV format guid, if EFI_PEI_FIRMWARE_VOLUME_PPI\r | |
2078 | is installed later by platform's PEIM, the original unknown third-party FV will be processed by\r | |
2079 | using new installed EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
2080 | \r | |
2081 | @param PrivateData Point to instance of PEI_CORE_INSTANCE\r | |
2082 | @param FvInfo2Ppi Point to FvInfo2 PPI.\r | |
2083 | \r | |
2084 | @retval EFI_OUT_OF_RESOURCES The FV info array in PEI_CORE_INSTANCE has no more spaces.\r | |
2085 | @retval EFI_SUCCESS Success to add the information for unknown FV.\r | |
2086 | **/\r | |
2087 | EFI_STATUS\r | |
2088 | AddUnknownFormatFvInfo (\r | |
2089 | IN PEI_CORE_INSTANCE *PrivateData,\r | |
2090 | IN EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI *FvInfo2Ppi\r | |
2091 | )\r | |
2092 | {\r | |
2093 | PEI_CORE_UNKNOW_FORMAT_FV_INFO *NewUnknownFv;\r | |
2094 | \r | |
2095 | if (PrivateData->UnknownFvInfoCount + 1 >= PcdGet32 (PcdPeiCoreMaxFvSupported)) {\r | |
2096 | return EFI_OUT_OF_RESOURCES;\r | |
2097 | }\r | |
2098 | \r | |
2099 | NewUnknownFv = &PrivateData->UnknownFvInfo[PrivateData->UnknownFvInfoCount];\r | |
2100 | PrivateData->UnknownFvInfoCount ++;\r | |
2101 | \r | |
2102 | CopyGuid (&NewUnknownFv->FvFormat, &FvInfo2Ppi->FvFormat);\r | |
2103 | NewUnknownFv->FvInfo = FvInfo2Ppi->FvInfo;\r | |
2104 | NewUnknownFv->FvInfoSize = FvInfo2Ppi->FvInfoSize;\r | |
2105 | NewUnknownFv->AuthenticationStatus = FvInfo2Ppi->AuthenticationStatus;\r | |
2106 | NewUnknownFv->NotifyDescriptor.Flags = (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST);\r | |
2107 | NewUnknownFv->NotifyDescriptor.Guid = &NewUnknownFv->FvFormat;\r | |
2108 | NewUnknownFv->NotifyDescriptor.Notify = ThirdPartyFvPpiNotifyCallback;\r | |
2109 | \r | |
2110 | PeiServicesNotifyPpi (&NewUnknownFv->NotifyDescriptor);\r | |
2111 | return EFI_SUCCESS;\r | |
2112 | }\r | |
2113 | \r | |
2114 | /**\r | |
2115 | Find the FV information according to third-party FV format guid.\r | |
2116 | \r | |
2117 | This routine also will remove the FV information found by given FV format guid from\r | |
2118 | PrivateData->UnknownFvInfo[].\r | |
2119 | \r | |
2120 | @param PrivateData Point to instance of PEI_CORE_INSTANCE\r | |
2121 | @param Format Point to given FV format guid\r | |
2122 | @param FvInfo On return, the pointer of FV information buffer\r | |
2123 | @param FvInfoSize On return, the size of FV information buffer.\r | |
2124 | @param AuthenticationStatus On return, the authentication status of FV information buffer.\r | |
2125 | \r | |
2126 | @retval EFI_NOT_FOUND The FV is not found for new installed EFI_PEI_FIRMWARE_VOLUME_PPI\r | |
2127 | @retval EFI_SUCCESS Success to find a FV which could be processed by new installed EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
2128 | **/\r | |
2129 | EFI_STATUS\r | |
2130 | FindUnknownFormatFvInfo (\r | |
2131 | IN PEI_CORE_INSTANCE *PrivateData,\r | |
2132 | IN EFI_GUID *Format,\r | |
2133 | OUT VOID **FvInfo,\r | |
2134 | OUT UINT32 *FvInfoSize,\r | |
2135 | OUT UINT32 *AuthenticationStatus\r | |
2136 | )\r | |
2137 | {\r | |
2138 | UINTN Index;\r | |
2139 | UINTN Index2;\r | |
2140 | \r | |
2141 | Index = 0;\r | |
2142 | for (; Index < PrivateData->UnknownFvInfoCount; Index ++) {\r | |
2143 | if (CompareGuid (Format, &PrivateData->UnknownFvInfo[Index].FvFormat)) {\r | |
2144 | break;\r | |
2145 | }\r | |
2146 | }\r | |
2147 | \r | |
2148 | if (Index == PrivateData->UnknownFvInfoCount) {\r | |
2149 | return EFI_NOT_FOUND;\r | |
2150 | }\r | |
2151 | \r | |
2152 | *FvInfo = PrivateData->UnknownFvInfo[Index].FvInfo;\r | |
2153 | *FvInfoSize = PrivateData->UnknownFvInfo[Index].FvInfoSize;\r | |
2154 | *AuthenticationStatus = PrivateData->UnknownFvInfo[Index].AuthenticationStatus;\r | |
2155 | \r | |
2156 | //\r | |
2157 | // Remove an entry from UnknownFvInfo array.\r | |
2158 | //\r | |
2159 | Index2 = Index + 1;\r | |
2160 | for (;Index2 < PrivateData->UnknownFvInfoCount; Index2 ++, Index ++) {\r | |
2161 | CopyMem (&PrivateData->UnknownFvInfo[Index], &PrivateData->UnknownFvInfo[Index2], sizeof (PEI_CORE_UNKNOW_FORMAT_FV_INFO));\r | |
2162 | }\r | |
2163 | PrivateData->UnknownFvInfoCount --;\r | |
2164 | return EFI_SUCCESS;\r | |
2165 | } \r | |
2166 | \r | |
2167 | /**\r | |
2168 | Notification callback function for EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
2169 | \r | |
2170 | When a EFI_PEI_FIRMWARE_VOLUME_PPI is installed to support new FV format, this \r | |
2171 | routine is called to process all discoveried FVs in this format.\r | |
2172 | \r | |
2173 | @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r | |
2174 | @param NotifyDescriptor Address of the notification descriptor data structure.\r | |
2175 | @param Ppi Address of the PPI that was installed.\r | |
2176 | \r | |
2177 | @retval EFI_SUCCESS The notification callback is processed correctly.\r | |
2178 | **/\r | |
2179 | EFI_STATUS\r | |
2180 | EFIAPI\r | |
2181 | ThirdPartyFvPpiNotifyCallback (\r | |
2182 | IN EFI_PEI_SERVICES **PeiServices,\r | |
2183 | IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,\r | |
2184 | IN VOID *Ppi\r | |
2185 | )\r | |
2186 | {\r | |
2187 | PEI_CORE_INSTANCE *PrivateData;\r | |
2188 | EFI_PEI_FIRMWARE_VOLUME_PPI *FvPpi;\r | |
2189 | VOID *FvInfo;\r | |
2190 | UINT32 FvInfoSize;\r | |
2191 | UINT32 AuthenticationStatus;\r | |
2192 | EFI_STATUS Status;\r | |
2193 | EFI_PEI_FV_HANDLE FvHandle;\r | |
2194 | BOOLEAN IsProcessed;\r | |
2195 | UINTN FvIndex;\r | |
2196 | EFI_PEI_FILE_HANDLE FileHandle;\r | |
2197 | VOID *DepexData; \r | |
2198 | \r | |
2199 | PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);\r | |
2200 | FvPpi = (EFI_PEI_FIRMWARE_VOLUME_PPI*) Ppi;\r | |
2201 | \r | |
2202 | do {\r | |
2203 | Status = FindUnknownFormatFvInfo (PrivateData, NotifyDescriptor->Guid, &FvInfo, &FvInfoSize, &AuthenticationStatus);\r | |
2204 | if (EFI_ERROR (Status)) {\r | |
2205 | return EFI_SUCCESS;\r | |
2206 | }\r | |
2207 | \r | |
2208 | //\r | |
2209 | // Process new found FV and get FV handle.\r | |
2210 | //\r | |
2211 | Status = FvPpi->ProcessVolume (FvPpi, FvInfo, FvInfoSize, &FvHandle);\r | |
2212 | if (EFI_ERROR (Status)) {\r | |
2213 | DEBUG ((EFI_D_ERROR, "Fail to process the FV 0x%p, FV may be corrupted!\n", FvInfo));\r | |
2214 | continue;\r | |
2215 | }\r | |
2216 | \r | |
2217 | //\r | |
2218 | // Check whether the FV has already been processed.\r | |
2219 | //\r | |
2220 | IsProcessed = FALSE;\r | |
2221 | for (FvIndex = 0; FvIndex < PrivateData->FvCount; FvIndex ++) {\r | |
2222 | if (PrivateData->Fv[FvIndex].FvHandle == FvHandle) {\r | |
2223 | DEBUG ((EFI_D_INFO, "The Fv %p has already been processed!\n", FvInfo));\r | |
2224 | IsProcessed = TRUE;\r | |
2225 | break;\r | |
2226 | }\r | |
2227 | }\r | |
2228 | \r | |
2229 | if (IsProcessed) {\r | |
2230 | continue;\r | |
2231 | }\r | |
2232 | \r | |
2233 | if (PrivateData->FvCount >= PcdGet32 (PcdPeiCoreMaxFvSupported)) {\r | |
2234 | DEBUG ((EFI_D_ERROR, "The number of Fv Images (%d) exceed the max supported FVs (%d) in Pei", PrivateData->FvCount + 1, PcdGet32 (PcdPeiCoreMaxFvSupported)));\r | |
2235 | DEBUG ((EFI_D_ERROR, "PcdPeiCoreMaxFvSupported value need be reconfigurated in DSC"));\r | |
2236 | ASSERT (FALSE);\r | |
2237 | }\r | |
2238 | \r | |
2239 | //\r | |
2240 | // Update internal PEI_CORE_FV array.\r | |
2241 | //\r | |
2242 | PrivateData->Fv[PrivateData->FvCount].FvHeader = (EFI_FIRMWARE_VOLUME_HEADER*) FvInfo;\r | |
2243 | PrivateData->Fv[PrivateData->FvCount].FvPpi = FvPpi;\r | |
2244 | PrivateData->Fv[PrivateData->FvCount].FvHandle = FvHandle;\r | |
2245 | PrivateData->Fv[PrivateData->FvCount].AuthenticationStatus = AuthenticationStatus;\r | |
2246 | DEBUG ((\r | |
2247 | EFI_D_INFO, \r | |
2248 | "The %dth FV start address is 0x%11p, size is 0x%08x, handle is 0x%p\n", \r | |
2249 | (UINT32) PrivateData->FvCount, \r | |
2250 | (VOID *) FvInfo, \r | |
2251 | FvInfoSize,\r | |
2252 | FvHandle\r | |
2253 | )); \r | |
2254 | PrivateData->FvCount ++;\r | |
2255 | \r | |
2256 | //\r | |
2257 | // Scan and process the new discoveried FV for EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE \r | |
2258 | //\r | |
2259 | FileHandle = NULL;\r | |
2260 | do {\r | |
2261 | Status = FvPpi->FindFileByType (\r | |
2262 | FvPpi,\r | |
2263 | EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE,\r | |
2264 | FvHandle,\r | |
2265 | &FileHandle\r | |
2266 | );\r | |
2267 | if (!EFI_ERROR (Status)) {\r | |
2268 | Status = FvPpi->FindSectionByType (\r | |
2269 | FvPpi,\r | |
2270 | EFI_SECTION_PEI_DEPEX,\r | |
2271 | FileHandle,\r | |
2272 | (VOID**)&DepexData\r | |
2273 | );\r | |
2274 | if (!EFI_ERROR (Status)) {\r | |
2275 | if (!PeimDispatchReadiness (PeiServices, DepexData)) {\r | |
2276 | //\r | |
2277 | // Dependency is not satisfied.\r | |
2278 | //\r | |
2279 | continue;\r | |
2280 | }\r | |
2281 | }\r | |
2282 | \r | |
2283 | DEBUG ((EFI_D_INFO, "Found firmware volume Image File %p in FV[%d] %p\n", FileHandle, PrivateData->FvCount - 1, FvHandle));\r | |
2284 | ProcessFvFile (PrivateData, &PrivateData->Fv[PrivateData->FvCount - 1], FileHandle);\r | |
2285 | }\r | |
2286 | } while (FileHandle != NULL);\r | |
2287 | } while (TRUE);\r | |
2288 | }\r |