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615c6dd0 | 1 | /** @file\r |
b1f6a7c6 | 2 | Pei Core Firmware File System service routines.\r |
3 | \r | |
3b428ade | 4 | Copyright (c) 2006 - 2009, Intel Corporation \r |
192f6d4c | 5 | All rights reserved. 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 | |
615c6dd0 | 13 | **/\r |
192f6d4c | 14 | \r |
3b428ade | 15 | #include "FwVol.h"\r |
192f6d4c | 16 | \r |
fe1e36e5 | 17 | EFI_PEI_NOTIFY_DESCRIPTOR mNotifyOnFvInfoList = {\r |
b0d803fe | 18 | (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r |
19 | &gEfiPeiFirmwareVolumeInfoPpiGuid,\r | |
20 | FirmwareVolmeInfoPpiNotifyCallback \r | |
21 | };\r | |
22 | \r | |
3b428ade | 23 | EFI_PEI_FIRMWARE_VOLUME_PPI mPeiFfs2FvPpi = {\r |
24 | PeiFfs2FvPpiProcessVolume,\r | |
25 | PeiFfs2FvPpiFindFileByType,\r | |
26 | PeiFfs2FvPpiFindFileByName,\r | |
27 | PeiFfs2FvPpiGetFileInfo,\r | |
28 | PeiFfs2FvPpiGetVolumeInfo,\r | |
29 | PeiFfs2FvPpiFindSectionByType\r | |
30 | };\r | |
31 | \r | |
32 | EFI_PEI_PPI_DESCRIPTOR mPeiFfs2FvPpiList = {\r | |
33 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
34 | &gEfiFirmwareFileSystem2Guid,\r | |
35 | &mPeiFfs2FvPpi\r | |
36 | };\r | |
37 | \r | |
b1f6a7c6 | 38 | /**\r |
ed299e3c | 39 | Returns the file state set by the highest zero bit in the State field\r |
192f6d4c | 40 | \r |
b1f6a7c6 | 41 | @param ErasePolarity Erase Polarity as defined by EFI_FVB2_ERASE_POLARITY\r |
42 | in the Attributes field.\r | |
43 | @param FfsHeader Pointer to FFS File Header.\r | |
192f6d4c | 44 | \r |
ed299e3c LG |
45 | @retval EFI_FFS_FILE_STATE File state is set by the highest none zero bit \r |
46 | in the header State field.\r | |
b1f6a7c6 | 47 | **/\r |
48 | EFI_FFS_FILE_STATE\r | |
49 | GetFileState(\r | |
50 | IN UINT8 ErasePolarity,\r | |
51 | IN EFI_FFS_FILE_HEADER *FfsHeader\r | |
52 | )\r | |
192f6d4c | 53 | {\r |
54 | EFI_FFS_FILE_STATE FileState;\r | |
55 | EFI_FFS_FILE_STATE HighestBit;\r | |
56 | \r | |
57 | FileState = FfsHeader->State;\r | |
58 | \r | |
59 | if (ErasePolarity != 0) {\r | |
60 | FileState = (EFI_FFS_FILE_STATE)~FileState;\r | |
61 | }\r | |
ed299e3c LG |
62 | \r |
63 | //\r | |
64 | // Get file state set by its highest none zero bit.\r | |
65 | //\r | |
192f6d4c | 66 | HighestBit = 0x80;\r |
67 | while (HighestBit != 0 && (HighestBit & FileState) == 0) {\r | |
68 | HighestBit >>= 1;\r | |
69 | }\r | |
70 | \r | |
71 | return HighestBit;\r | |
72 | } \r | |
73 | \r | |
b1f6a7c6 | 74 | /**\r |
75 | Calculates the checksum of the header of a file.\r | |
76 | \r | |
77 | @param FileHeader Pointer to FFS File Header.\r | |
78 | \r | |
79 | @return Checksum of the header.\r | |
b1f6a7c6 | 80 | Zero means the header is good.\r |
81 | Non-zero means the header is bad.\r | |
82 | **/\r | |
192f6d4c | 83 | UINT8\r |
84 | CalculateHeaderChecksum (\r | |
85 | IN EFI_FFS_FILE_HEADER *FileHeader\r | |
86 | )\r | |
192f6d4c | 87 | {\r |
ed299e3c | 88 | EFI_FFS_FILE_HEADER TestFileHeader;\r |
192f6d4c | 89 | \r |
ed299e3c | 90 | CopyMem (&TestFileHeader, FileHeader, sizeof (EFI_FFS_FILE_HEADER));\r |
192f6d4c | 91 | //\r |
ed299e3c | 92 | // Ingore State and File field in FFS header.\r |
192f6d4c | 93 | //\r |
ed299e3c LG |
94 | TestFileHeader.State = 0;\r |
95 | TestFileHeader.IntegrityCheck.Checksum.File = 0;\r | |
192f6d4c | 96 | \r |
ed299e3c | 97 | return CalculateSum8 ((CONST UINT8 *) &TestFileHeader, sizeof (EFI_FFS_FILE_HEADER));\r |
192f6d4c | 98 | }\r |
99 | \r | |
b1f6a7c6 | 100 | /**\r |
3b428ade | 101 | Find FV handler according to FileHandle in that FV.\r |
b1f6a7c6 | 102 | \r |
103 | @param FileHandle Handle of file image\r | |
3b428ade | 104 | \r |
105 | @return Pointer to instance of PEI_CORE_FV_HANDLE.\r | |
b1f6a7c6 | 106 | **/\r |
3b428ade | 107 | PEI_CORE_FV_HANDLE*\r |
108 | FileHandleToVolume (\r | |
109 | IN EFI_PEI_FILE_HANDLE FileHandle\r | |
b0d803fe | 110 | )\r |
111 | {\r | |
112 | UINTN Index;\r | |
113 | PEI_CORE_INSTANCE *PrivateData;\r | |
114 | EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;\r | |
115 | \r | |
116 | PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (GetPeiServicesTablePointer ());\r | |
3b428ade | 117 | \r |
b0d803fe | 118 | for (Index = 0; Index < PrivateData->FvCount; Index++) {\r |
119 | FwVolHeader = PrivateData->Fv[Index].FvHeader;\r | |
67a58d0f | 120 | if (((UINT64) (UINTN) FileHandle > (UINT64) (UINTN) FwVolHeader ) && \\r |
121 | ((UINT64) (UINTN) FileHandle <= ((UINT64) (UINTN) FwVolHeader + FwVolHeader->FvLength - 1))) {\r | |
3b428ade | 122 | return &PrivateData->Fv[Index];\r |
b0d803fe | 123 | }\r |
124 | }\r | |
3b428ade | 125 | return NULL;\r |
b0d803fe | 126 | }\r |
127 | \r | |
b1f6a7c6 | 128 | /**\r |
ed299e3c | 129 | Given the input file pointer, search for the first matching file in the\r |
b1f6a7c6 | 130 | FFS volume as defined by SearchType. The search starts from FileHeader inside\r |
131 | the Firmware Volume defined by FwVolHeader.\r | |
ed299e3c LG |
132 | If SearchType is EFI_FV_FILETYPE_ALL, the first FFS file will return without check its file type.\r |
133 | If SearchType is PEI_CORE_INTERNAL_FFS_FILE_DISPATCH_TYPE, \r | |
134 | the first PEIM, or COMBINED PEIM or FV file type FFS file will return. \r | |
b1f6a7c6 | 135 | \r |
136 | @param FvHandle Pointer to the FV header of the volume to search\r | |
137 | @param FileName File name\r | |
138 | @param SearchType Filter to find only files of this type.\r | |
139 | Type EFI_FV_FILETYPE_ALL causes no filtering to be done.\r | |
140 | @param FileHandle This parameter must point to a valid FFS volume.\r | |
141 | @param AprioriFile Pointer to AprioriFile image in this FV if has\r | |
b0d803fe | 142 | \r |
b1f6a7c6 | 143 | @return EFI_NOT_FOUND No files matching the search criteria were found\r |
144 | @retval EFI_SUCCESS Success to search given file\r | |
145 | \r | |
146 | **/\r | |
192f6d4c | 147 | EFI_STATUS\r |
3b428ade | 148 | FindFileEx (\r |
b0d803fe | 149 | IN CONST EFI_PEI_FV_HANDLE FvHandle,\r |
150 | IN CONST EFI_GUID *FileName, OPTIONAL\r | |
151 | IN EFI_FV_FILETYPE SearchType,\r | |
152 | IN OUT EFI_PEI_FILE_HANDLE *FileHandle,\r | |
153 | IN OUT EFI_PEI_FV_HANDLE *AprioriFile OPTIONAL\r | |
192f6d4c | 154 | )\r |
192f6d4c | 155 | {\r |
b0d803fe | 156 | EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;\r |
157 | EFI_FFS_FILE_HEADER **FileHeader;\r | |
158 | EFI_FFS_FILE_HEADER *FfsFileHeader;\r | |
b0d803fe | 159 | UINT32 FileLength;\r |
160 | UINT32 FileOccupiedSize;\r | |
161 | UINT32 FileOffset;\r | |
162 | UINT64 FvLength;\r | |
163 | UINT8 ErasePolarity;\r | |
164 | UINT8 FileState;\r | |
3b428ade | 165 | \r |
166 | //\r | |
167 | // Convert the handle of FV to FV header for memory-mapped firmware volume\r | |
168 | //\r | |
169 | FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) FvHandle;\r | |
b0d803fe | 170 | FileHeader = (EFI_FFS_FILE_HEADER **)FileHandle;\r |
192f6d4c | 171 | \r |
172 | FvLength = FwVolHeader->FvLength;\r | |
d976bf31 | 173 | if ((FwVolHeader->Attributes & EFI_FVB2_ERASE_POLARITY) != 0) {\r |
192f6d4c | 174 | ErasePolarity = 1;\r |
175 | } else {\r | |
176 | ErasePolarity = 0;\r | |
177 | }\r | |
178 | \r | |
179 | //\r | |
b0d803fe | 180 | // If FileHeader is not specified (NULL) or FileName is not NULL,\r |
181 | // start with the first file in the firmware volume. Otherwise,\r | |
182 | // start from the FileHeader.\r | |
192f6d4c | 183 | //\r |
b0d803fe | 184 | if ((*FileHeader == NULL) || (FileName != NULL)) {\r |
192f6d4c | 185 | FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FwVolHeader + FwVolHeader->HeaderLength);\r |
186 | } else {\r | |
187 | //\r | |
188 | // Length is 24 bits wide so mask upper 8 bits\r | |
189 | // FileLength is adjusted to FileOccupiedSize as it is 8 byte aligned.\r | |
190 | //\r | |
191 | FileLength = *(UINT32 *)(*FileHeader)->Size & 0x00FFFFFF;\r | |
b0d803fe | 192 | FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);\r |
192f6d4c | 193 | FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)*FileHeader + FileOccupiedSize);\r |
194 | }\r | |
e98cd821 | 195 | \r |
192f6d4c | 196 | FileOffset = (UINT32) ((UINT8 *)FfsFileHeader - (UINT8 *)FwVolHeader);\r |
197 | ASSERT (FileOffset <= 0xFFFFFFFF);\r | |
e98cd821 | 198 | \r |
b0d803fe | 199 | while (FileOffset < (FvLength - sizeof (EFI_FFS_FILE_HEADER))) {\r |
192f6d4c | 200 | //\r |
201 | // Get FileState which is the highest bit of the State \r | |
202 | //\r | |
203 | FileState = GetFileState (ErasePolarity, FfsFileHeader);\r | |
192f6d4c | 204 | switch (FileState) {\r |
205 | \r | |
206 | case EFI_FILE_HEADER_INVALID:\r | |
40f26b8f | 207 | FileOffset += sizeof(EFI_FFS_FILE_HEADER);\r |
208 | FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + sizeof(EFI_FFS_FILE_HEADER));\r | |
192f6d4c | 209 | break;\r |
210 | \r | |
211 | case EFI_FILE_DATA_VALID:\r | |
212 | case EFI_FILE_MARKED_FOR_UPDATE:\r | |
b0d803fe | 213 | if (CalculateHeaderChecksum (FfsFileHeader) != 0) {\r |
192f6d4c | 214 | ASSERT (FALSE);\r |
e98cd821 | 215 | *FileHeader = NULL;\r |
192f6d4c | 216 | return EFI_NOT_FOUND;\r |
217 | }\r | |
b0d803fe | 218 | \r |
40f26b8f | 219 | FileLength = *(UINT32 *)(FfsFileHeader->Size) & 0x00FFFFFF;\r |
b0d803fe | 220 | FileOccupiedSize = GET_OCCUPIED_SIZE(FileLength, 8);\r |
221 | \r | |
222 | if (FileName != NULL) {\r | |
223 | if (CompareGuid (&FfsFileHeader->Name, (EFI_GUID*)FileName)) {\r | |
224 | *FileHeader = FfsFileHeader;\r | |
225 | return EFI_SUCCESS;\r | |
226 | }\r | |
227 | } else if (SearchType == PEI_CORE_INTERNAL_FFS_FILE_DISPATCH_TYPE) {\r | |
228 | if ((FfsFileHeader->Type == EFI_FV_FILETYPE_PEIM) || \r | |
288f9b38 LG |
229 | (FfsFileHeader->Type == EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER) ||\r |
230 | (FfsFileHeader->Type == EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE)) { \r | |
b0d803fe | 231 | \r |
232 | *FileHeader = FfsFileHeader;\r | |
233 | return EFI_SUCCESS;\r | |
234 | } else if (AprioriFile != NULL) {\r | |
235 | if (FfsFileHeader->Type == EFI_FV_FILETYPE_FREEFORM) {\r | |
236 | if (CompareGuid (&FfsFileHeader->Name, &gPeiAprioriFileNameGuid)) {\r | |
237 | *AprioriFile = FfsFileHeader;\r | |
238 | } \r | |
239 | } \r | |
240 | }\r | |
7e181f2f | 241 | } else if (((SearchType == FfsFileHeader->Type) || (SearchType == EFI_FV_FILETYPE_ALL)) && \r |
242 | (FfsFileHeader->Type != EFI_FV_FILETYPE_FFS_PAD)) { \r | |
b0d803fe | 243 | *FileHeader = FfsFileHeader;\r |
244 | return EFI_SUCCESS;\r | |
245 | }\r | |
246 | \r | |
40f26b8f | 247 | FileOffset += FileOccupiedSize; \r |
248 | FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + FileOccupiedSize);\r | |
192f6d4c | 249 | break;\r |
250 | \r | |
251 | case EFI_FILE_DELETED:\r | |
40f26b8f | 252 | FileLength = *(UINT32 *)(FfsFileHeader->Size) & 0x00FFFFFF;\r |
253 | FileOccupiedSize = GET_OCCUPIED_SIZE(FileLength, 8);\r | |
254 | FileOffset += FileOccupiedSize;\r | |
255 | FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + FileOccupiedSize);\r | |
192f6d4c | 256 | break;\r |
257 | \r | |
258 | default:\r | |
e98cd821 | 259 | *FileHeader = NULL;\r |
192f6d4c | 260 | return EFI_NOT_FOUND;\r |
192f6d4c | 261 | } \r |
262 | }\r | |
e98cd821 LG |
263 | \r |
264 | *FileHeader = NULL;\r | |
192f6d4c | 265 | return EFI_NOT_FOUND; \r |
266 | }\r | |
267 | \r | |
b1f6a7c6 | 268 | /**\r |
b1f6a7c6 | 269 | Initialize PeiCore Fv List.\r |
270 | \r | |
b1f6a7c6 | 271 | @param PrivateData - Pointer to PEI_CORE_INSTANCE.\r |
272 | @param SecCoreData - Pointer to EFI_SEC_PEI_HAND_OFF.\r | |
b1f6a7c6 | 273 | **/\r |
b0d803fe | 274 | VOID \r |
275 | PeiInitializeFv (\r | |
276 | IN PEI_CORE_INSTANCE *PrivateData,\r | |
277 | IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData\r | |
278 | )\r | |
b0d803fe | 279 | {\r |
3b428ade | 280 | EFI_STATUS Status;\r |
281 | EFI_PEI_FIRMWARE_VOLUME_PPI *FvPpi;\r | |
282 | EFI_PEI_FV_HANDLE FvHandle;\r | |
283 | EFI_FIRMWARE_VOLUME_HEADER *BfvHeader;\r | |
284 | \r | |
b0d803fe | 285 | //\r |
3b428ade | 286 | // Install FV_PPI for FFS2 file system.\r |
b0d803fe | 287 | //\r |
3b428ade | 288 | PeiServicesInstallPpi (&mPeiFfs2FvPpiList);\r |
289 | \r | |
290 | BfvHeader = (EFI_FIRMWARE_VOLUME_HEADER *)SecCoreData->BootFirmwareVolumeBase;\r | |
291 | \r | |
292 | //\r | |
293 | // The FV_PPI in BFV's format should be installed.\r | |
294 | //\r | |
295 | Status = PeiServicesLocatePpi (\r | |
296 | &BfvHeader->FileSystemGuid,\r | |
297 | 0,\r | |
298 | NULL,\r | |
299 | (VOID**)&FvPpi\r | |
300 | );\r | |
301 | ASSERT_EFI_ERROR (Status);\r | |
302 | \r | |
303 | //\r | |
304 | // Get handle of BFV\r | |
305 | //\r | |
306 | FvPpi->ProcessVolume (\r | |
307 | FvPpi, \r | |
308 | SecCoreData->BootFirmwareVolumeBase,\r | |
309 | (UINTN)BfvHeader->FvLength,\r | |
310 | &FvHandle\r | |
311 | );\r | |
312 | \r | |
b0d803fe | 313 | //\r |
314 | // Post a call-back for the FvInfoPPI services to expose\r | |
315 | // additional Fvs to PeiCore.\r | |
316 | //\r | |
317 | Status = PeiServicesNotifyPpi (&mNotifyOnFvInfoList);\r | |
318 | ASSERT_EFI_ERROR (Status);\r | |
319 | \r | |
320 | }\r | |
3b428ade | 321 | \r |
b1f6a7c6 | 322 | /**\r |
323 | Process Firmware Volum Information once FvInfoPPI install.\r | |
ed299e3c LG |
324 | The FV Info will be registered into PeiCore private data structure.\r |
325 | And search the inside FV image, if found, the new FV INFO PPI will be installed.\r | |
b1f6a7c6 | 326 | \r |
ed299e3c | 327 | @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r |
731bd38e | 328 | @param NotifyDescriptor Address of the notification descriptor data structure.\r |
329 | @param Ppi Address of the PPI that was installed.\r | |
b1f6a7c6 | 330 | \r |
ed299e3c | 331 | @retval EFI_SUCCESS The FV Info is registered into PeiCore private data structure.\r |
6a1ae84a | 332 | @return if not EFI_SUCESS, fail to verify FV.\r |
b1f6a7c6 | 333 | \r |
334 | **/\r | |
b0d803fe | 335 | EFI_STATUS\r |
336 | EFIAPI\r | |
337 | FirmwareVolmeInfoPpiNotifyCallback (\r | |
338 | IN EFI_PEI_SERVICES **PeiServices,\r | |
339 | IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,\r | |
340 | IN VOID *Ppi\r | |
341 | )\r | |
b0d803fe | 342 | {\r |
3b428ade | 343 | EFI_PEI_FIRMWARE_VOLUME_INFO_PPI *FvInfoPpi;\r |
344 | EFI_PEI_FIRMWARE_VOLUME_PPI *FvPpi;\r | |
b0d803fe | 345 | PEI_CORE_INSTANCE *PrivateData;\r |
288f9b38 | 346 | EFI_STATUS Status;\r |
3b428ade | 347 | EFI_PEI_FV_HANDLE FvHandle;\r |
348 | UINTN FvIndex;\r | |
b0d803fe | 349 | \r |
288f9b38 LG |
350 | Status = EFI_SUCCESS;\r |
351 | PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);\r | |
b0d803fe | 352 | \r |
177aabe6 | 353 | if (PrivateData->FvCount >= FixedPcdGet32 (PcdPeiCoreMaxFvSupported)) {\r |
97b2c9b5 LG |
354 | DEBUG ((EFI_D_ERROR, "The number of Fv Images (%d) exceed the max supported FVs (%d) in Pei", PrivateData->FvCount + 1, FixedPcdGet32 (PcdPeiCoreMaxFvSupported)));\r |
355 | DEBUG ((EFI_D_ERROR, "PcdPeiCoreMaxFvSupported value need be reconfigurated in DSC"));\r | |
b0d803fe | 356 | ASSERT (FALSE);\r |
357 | }\r | |
358 | \r | |
3b428ade | 359 | FvInfoPpi = (EFI_PEI_FIRMWARE_VOLUME_INFO_PPI *)Ppi;\r |
b0d803fe | 360 | \r |
97b2c9b5 | 361 | //\r |
3b428ade | 362 | // Locate the corresponding FV_PPI according to founded FV's format guid\r |
97b2c9b5 | 363 | //\r |
3b428ade | 364 | Status = PeiServicesLocatePpi (\r |
365 | &FvInfoPpi->FvFormat, \r | |
366 | 0, \r | |
367 | NULL,\r | |
368 | (VOID**)&FvPpi\r | |
369 | );\r | |
370 | if (!EFI_ERROR (Status)) {\r | |
371 | //\r | |
372 | // Process new found FV and get FV handle.\r | |
373 | //\r | |
374 | Status = FvPpi->ProcessVolume (FvPpi, FvInfoPpi->FvInfo, FvInfoPpi->FvInfoSize, &FvHandle);\r | |
375 | if (EFI_ERROR (Status)) {\r | |
376 | DEBUG ((EFI_D_ERROR, "Fail to process new found FV, FV may be corrupted!"));\r | |
6a1ae84a | 377 | return Status;\r |
378 | }\r | |
3b428ade | 379 | DEBUG ((EFI_D_INFO, "Found and process new FV %p, all fv's count is %d\n", FvHandle, PrivateData->FvCount));\r |
380 | } else {\r | |
381 | DEBUG ((EFI_D_ERROR, "Fail to process FV %p because no corresponding EFI_FIRMWARE_VOLUME_PPI is found!\n", FvInfoPpi->FvInfo));\r | |
6a1ae84a | 382 | \r |
3b428ade | 383 | //\r |
384 | // If can not find EFI_FIRMWARE_VOLUME_PPI to process firmware to get FvHandle, \r | |
385 | // use the address of FV buffer as its handle.\r | |
386 | //\r | |
387 | FvHandle = FvInfoPpi->FvInfo;\r | |
288f9b38 | 388 | \r |
288f9b38 | 389 | //\r |
3b428ade | 390 | // Check whether the FV has already been processed.\r |
288f9b38 | 391 | //\r |
3b428ade | 392 | for (FvIndex = 0; FvIndex < PrivateData->FvCount; FvIndex ++) {\r |
393 | if (PrivateData->Fv[FvIndex].FvHandle == FvHandle) {\r | |
394 | DEBUG ((EFI_D_INFO, "The Fv %p has already been processed!\n", FvHandle));\r | |
395 | return EFI_SUCCESS;\r | |
288f9b38 | 396 | }\r |
3b428ade | 397 | } \r |
398 | \r | |
399 | PrivateData->Fv[PrivateData->FvCount].FvHeader = (EFI_FIRMWARE_VOLUME_HEADER*) FvInfoPpi->FvInfo;\r | |
400 | PrivateData->Fv[PrivateData->FvCount].FvPpi = NULL;\r | |
401 | PrivateData->Fv[PrivateData->FvCount].FvHandle = FvHandle;\r | |
402 | PrivateData->FvCount ++;\r | |
288f9b38 | 403 | }\r |
3b428ade | 404 | \r |
b0d803fe | 405 | return EFI_SUCCESS;\r |
406 | }\r | |
407 | \r | |
b1f6a7c6 | 408 | /**\r |
ed299e3c LG |
409 | Go through the file to search SectionType section. \r |
410 | Search within encapsulation sections (compression and GUIDed) recursively, \r | |
411 | until the match section is found.\r | |
412 | \r | |
3b428ade | 413 | @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.\r |
414 | @param SectionType Filter to find only section of this type.\r | |
415 | @param Section From where to search.\r | |
416 | @param SectionSize The file size to search.\r | |
417 | @param OutputBuffer A pointer to the discovered section, if successful.\r | |
ed299e3c | 418 | NULL if section not found\r |
b1f6a7c6 | 419 | \r |
ed299e3c LG |
420 | @return EFI_NOT_FOUND The match section is not found.\r |
421 | @return EFI_SUCCESS The match section is found.\r | |
b1f6a7c6 | 422 | \r |
423 | **/\r | |
b0d803fe | 424 | EFI_STATUS\r |
3b428ade | 425 | ProcessSection (\r |
b0d803fe | 426 | IN CONST EFI_PEI_SERVICES **PeiServices,\r |
427 | IN EFI_SECTION_TYPE SectionType,\r | |
428 | IN EFI_COMMON_SECTION_HEADER *Section,\r | |
429 | IN UINTN SectionSize,\r | |
288f9b38 | 430 | OUT VOID **OutputBuffer\r |
b0d803fe | 431 | )\r |
b0d803fe | 432 | {\r |
433 | EFI_STATUS Status;\r | |
434 | UINT32 SectionLength;\r | |
435 | UINT32 ParsedLength;\r | |
b0d803fe | 436 | EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *GuidSectionPpi;\r |
b0d803fe | 437 | EFI_PEI_DECOMPRESS_PPI *DecompressPpi;\r |
438 | VOID *PpiOutput;\r | |
439 | UINTN PpiOutputSize;\r | |
288f9b38 LG |
440 | UINTN Index;\r |
441 | UINT32 Authentication;\r | |
442 | PEI_CORE_INSTANCE *PrivateData;\r | |
b0d803fe | 443 | \r |
288f9b38 | 444 | PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);\r |
b0d803fe | 445 | *OutputBuffer = NULL;\r |
288f9b38 LG |
446 | ParsedLength = 0;\r |
447 | Index = 0;\r | |
448 | Status = EFI_NOT_FOUND;\r | |
449 | PpiOutput = NULL;\r | |
450 | PpiOutputSize = 0;\r | |
b0d803fe | 451 | while (ParsedLength < SectionSize) {\r |
452 | if (Section->Type == SectionType) {\r | |
453 | *OutputBuffer = (VOID *)(Section + 1);\r | |
454 | return EFI_SUCCESS;\r | |
288f9b38 LG |
455 | } else if ((Section->Type == EFI_SECTION_GUID_DEFINED) || (Section->Type == EFI_SECTION_COMPRESSION)) {\r |
456 | //\r | |
457 | // Check the encapsulated section is extracted into the cache data.\r | |
458 | //\r | |
459 | for (Index = 0; Index < PrivateData->CacheSection.AllSectionCount; Index ++) {\r | |
460 | if (Section == PrivateData->CacheSection.Section[Index]) {\r | |
461 | PpiOutput = PrivateData->CacheSection.SectionData[Index];\r | |
462 | PpiOutputSize = PrivateData->CacheSection.SectionSize[Index];\r | |
463 | //\r | |
464 | // Search section directly from the cache data.\r | |
465 | //\r | |
3b428ade | 466 | return ProcessSection (\r |
467 | PeiServices,\r | |
468 | SectionType, \r | |
469 | PpiOutput, \r | |
470 | PpiOutputSize, \r | |
471 | OutputBuffer \r | |
472 | );\r | |
b0d803fe | 473 | }\r |
474 | }\r | |
288f9b38 LG |
475 | \r |
476 | Status = EFI_NOT_FOUND;\r | |
477 | if (Section->Type == EFI_SECTION_GUID_DEFINED) {\r | |
478 | Status = PeiServicesLocatePpi (\r | |
479 | &((EFI_GUID_DEFINED_SECTION *)Section)->SectionDefinitionGuid, \r | |
480 | 0, \r | |
481 | NULL, \r | |
482 | (VOID **) &GuidSectionPpi\r | |
483 | );\r | |
b0d803fe | 484 | if (!EFI_ERROR (Status)) {\r |
288f9b38 | 485 | Status = GuidSectionPpi->ExtractSection (\r |
3b428ade | 486 | GuidSectionPpi,\r |
487 | Section,\r | |
488 | &PpiOutput,\r | |
489 | &PpiOutputSize,\r | |
490 | &Authentication\r | |
491 | );\r | |
288f9b38 LG |
492 | }\r |
493 | } else if (Section->Type == EFI_SECTION_COMPRESSION) {\r | |
494 | Status = PeiServicesLocatePpi (&gEfiPeiDecompressPpiGuid, 0, NULL, (VOID **) &DecompressPpi);\r | |
495 | if (!EFI_ERROR (Status)) {\r | |
496 | Status = DecompressPpi->Decompress (\r | |
497 | DecompressPpi,\r | |
498 | (CONST EFI_COMPRESSION_SECTION*) Section,\r | |
499 | &PpiOutput,\r | |
500 | &PpiOutputSize\r | |
501 | );\r | |
b0d803fe | 502 | }\r |
503 | }\r | |
288f9b38 LG |
504 | \r |
505 | if (!EFI_ERROR (Status)) {\r | |
506 | //\r | |
507 | // Update cache section data.\r | |
508 | //\r | |
509 | if (PrivateData->CacheSection.AllSectionCount < CACHE_SETION_MAX_NUMBER) {\r | |
510 | PrivateData->CacheSection.AllSectionCount ++;\r | |
511 | }\r | |
512 | PrivateData->CacheSection.Section [PrivateData->CacheSection.SectionIndex] = Section;\r | |
513 | PrivateData->CacheSection.SectionData [PrivateData->CacheSection.SectionIndex] = PpiOutput;\r | |
514 | PrivateData->CacheSection.SectionSize [PrivateData->CacheSection.SectionIndex] = PpiOutputSize;\r | |
515 | PrivateData->CacheSection.SectionIndex = (PrivateData->CacheSection.SectionIndex + 1)%CACHE_SETION_MAX_NUMBER;\r | |
516 | \r | |
3b428ade | 517 | return ProcessSection (\r |
518 | PeiServices,\r | |
519 | SectionType, \r | |
520 | PpiOutput, \r | |
521 | PpiOutputSize, \r | |
522 | OutputBuffer \r | |
523 | );\r | |
288f9b38 | 524 | }\r |
b0d803fe | 525 | }\r |
526 | \r | |
527 | //\r | |
528 | // Size is 24 bits wide so mask upper 8 bits. \r | |
529 | // SectionLength is adjusted it is 4 byte aligned.\r | |
530 | // Go to the next section\r | |
531 | //\r | |
532 | SectionLength = *(UINT32 *)Section->Size & 0x00FFFFFF;\r | |
533 | SectionLength = GET_OCCUPIED_SIZE (SectionLength, 4);\r | |
534 | ASSERT (SectionLength != 0);\r | |
535 | ParsedLength += SectionLength;\r | |
536 | Section = (EFI_COMMON_SECTION_HEADER *)((UINT8 *)Section + SectionLength);\r | |
537 | }\r | |
538 | \r | |
539 | return EFI_NOT_FOUND;\r | |
540 | }\r | |
541 | \r | |
192f6d4c | 542 | \r |
b1f6a7c6 | 543 | /**\r |
3b428ade | 544 | Searches for the next matching section within the specified file.\r |
b1f6a7c6 | 545 | \r |
ed299e3c | 546 | @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r |
b1f6a7c6 | 547 | @param SectionType Filter to find only sections of this type.\r |
548 | @param FileHandle Pointer to the current file to search.\r | |
ed299e3c | 549 | @param SectionData A pointer to the discovered section, if successful.\r |
b1f6a7c6 | 550 | NULL if section not found\r |
551 | \r | |
3b428ade | 552 | @retval EFI_NOT_FOUND The section was not found.\r |
553 | @retval EFI_SUCCESS The section was found.\r | |
b1f6a7c6 | 554 | \r |
555 | **/\r | |
192f6d4c | 556 | EFI_STATUS\r |
557 | EFIAPI\r | |
558 | PeiFfsFindSectionData (\r | |
3b428ade | 559 | IN CONST EFI_PEI_SERVICES **PeiServices,\r |
192f6d4c | 560 | IN EFI_SECTION_TYPE SectionType,\r |
0c2b5da8 | 561 | IN EFI_PEI_FILE_HANDLE FileHandle,\r |
3b428ade | 562 | OUT VOID **SectionData\r |
192f6d4c | 563 | )\r |
192f6d4c | 564 | {\r |
3b428ade | 565 | PEI_CORE_FV_HANDLE *CoreFvHandle;\r |
566 | \r | |
567 | CoreFvHandle = FileHandleToVolume (FileHandle);\r | |
568 | if ((CoreFvHandle == NULL) || (CoreFvHandle->FvPpi == NULL)) {\r | |
569 | return EFI_NOT_FOUND;\r | |
570 | }\r | |
571 | \r | |
572 | return CoreFvHandle->FvPpi->FindSectionByType (CoreFvHandle->FvPpi, SectionType, FileHandle, SectionData);\r | |
192f6d4c | 573 | }\r |
574 | \r | |
b1f6a7c6 | 575 | /**\r |
3b428ade | 576 | Searches for the next matching file in the firmware volume.\r |
b1f6a7c6 | 577 | \r |
d73d93c3 | 578 | @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.\r |
b1f6a7c6 | 579 | @param SearchType Filter to find only files of this type.\r |
580 | Type EFI_FV_FILETYPE_ALL causes no filtering to be done.\r | |
3b428ade | 581 | @param VolumeHandle Handle of firmware volume in which to search.\r |
582 | @param FileHandle On entry, points to the current handle from which to begin searching or NULL to start\r | |
583 | at the beginning of the firmware volume. On exit, points the file handle of the next file\r | |
584 | in the volume or NULL if there are no more files.\r | |
585 | \r | |
586 | @retval EFI_NOT_FOUND The file was not found.\r | |
587 | @retval EFI_NOT_FOUND The header checksum was not zero.\r | |
588 | @retval EFI_SUCCESS The file was found.\r | |
b1f6a7c6 | 589 | \r |
590 | **/\r | |
192f6d4c | 591 | EFI_STATUS\r |
592 | EFIAPI\r | |
593 | PeiFfsFindNextFile (\r | |
0c2b5da8 | 594 | IN CONST EFI_PEI_SERVICES **PeiServices,\r |
595 | IN UINT8 SearchType,\r | |
3b428ade | 596 | IN EFI_PEI_FV_HANDLE FvHandle,\r |
0c2b5da8 | 597 | IN OUT EFI_PEI_FILE_HANDLE *FileHandle\r |
192f6d4c | 598 | )\r |
192f6d4c | 599 | {\r |
3b428ade | 600 | PEI_CORE_FV_HANDLE *CoreFvHandle;\r |
601 | \r | |
602 | CoreFvHandle = FvHandleToCoreHandle (FvHandle);\r | |
603 | \r | |
2f016ba8 | 604 | //\r |
605 | // To make backward compatiblity, if can not find corresponding the handle of FV\r | |
606 | // then treat FV as build-in FFS2 format and memory mapped FV that FV handle is pointed\r | |
607 | // to the address of first byte of FV.\r | |
608 | //\r | |
609 | if ((CoreFvHandle == NULL) && FeaturePcdGet (PcdFrameworkCompatibilitySupport)) {\r | |
610 | return FindFileEx (FvHandle, NULL, SearchType, FileHandle, NULL);\r | |
611 | } \r | |
612 | \r | |
3b428ade | 613 | if ((CoreFvHandle == NULL) || CoreFvHandle->FvPpi == NULL) {\r |
614 | return EFI_NOT_FOUND;\r | |
615 | }\r | |
616 | \r | |
617 | return CoreFvHandle->FvPpi->FindFileByType (CoreFvHandle->FvPpi, SearchType, FvHandle, FileHandle);\r | |
192f6d4c | 618 | }\r |
619 | \r | |
b0d803fe | 620 | \r |
b1f6a7c6 | 621 | /**\r |
ed299e3c | 622 | Search the firmware volumes by index\r |
b1f6a7c6 | 623 | \r |
ed299e3c | 624 | @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r |
3b428ade | 625 | @param Instance This instance of the firmware volume to find. The value 0 is the Boot Firmware\r |
626 | Volume (BFV).\r | |
627 | @param VolumeHandle On exit, points to the next volume handle or NULL if it does not exist.\r | |
b1f6a7c6 | 628 | \r |
3b428ade | 629 | @retval EFI_INVALID_PARAMETER VolumeHandle is NULL\r |
630 | @retval EFI_NOT_FOUND The volume was not found.\r | |
631 | @retval EFI_SUCCESS The volume was found.\r | |
b1f6a7c6 | 632 | \r |
633 | **/\r | |
192f6d4c | 634 | EFI_STATUS \r |
635 | EFIAPI\r | |
3b428ade | 636 | PeiFfsFindNextVolume (\r |
2a00326e | 637 | IN CONST EFI_PEI_SERVICES **PeiServices,\r |
192f6d4c | 638 | IN UINTN Instance,\r |
0c2b5da8 | 639 | IN OUT EFI_PEI_FV_HANDLE *VolumeHandle\r |
192f6d4c | 640 | )\r |
192f6d4c | 641 | {\r |
3b428ade | 642 | PEI_CORE_INSTANCE *Private;\r |
643 | PEI_CORE_FV_HANDLE *CoreFvHandle;\r | |
644 | \r | |
b0d803fe | 645 | Private = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);\r |
2a00326e | 646 | \r |
3b428ade | 647 | CoreFvHandle = FindNextCoreFvHandle (Private, Instance);\r |
648 | if (CoreFvHandle == NULL) {\r | |
649 | *VolumeHandle = NULL;\r | |
650 | return EFI_NOT_FOUND;\r | |
2a00326e | 651 | }\r |
3b428ade | 652 | \r |
653 | *VolumeHandle = CoreFvHandle->FvHandle;\r | |
654 | \r | |
b0d803fe | 655 | return EFI_SUCCESS;\r |
656 | }\r | |
192f6d4c | 657 | \r |
192f6d4c | 658 | \r |
b1f6a7c6 | 659 | /**\r |
ed299e3c | 660 | Find a file within a volume by its name.\r |
b1f6a7c6 | 661 | \r |
ed299e3c LG |
662 | @param FileName A pointer to the name of the file to find within the firmware volume.\r |
663 | @param VolumeHandle The firmware volume to search\r | |
664 | @param FileHandle Upon exit, points to the found file's handle \r | |
665 | or NULL if it could not be found.\r | |
b1f6a7c6 | 666 | \r |
ed299e3c LG |
667 | @retval EFI_SUCCESS File was found.\r |
668 | @retval EFI_NOT_FOUND File was not found.\r | |
669 | @retval EFI_INVALID_PARAMETER VolumeHandle or FileHandle or FileName was NULL.\r | |
b1f6a7c6 | 670 | \r |
b1f6a7c6 | 671 | **/\r |
b0d803fe | 672 | EFI_STATUS\r |
673 | EFIAPI \r | |
674 | PeiFfsFindFileByName (\r | |
675 | IN CONST EFI_GUID *FileName,\r | |
676 | IN EFI_PEI_FV_HANDLE VolumeHandle,\r | |
677 | OUT EFI_PEI_FILE_HANDLE *FileHandle\r | |
678 | )\r | |
b0d803fe | 679 | {\r |
3b428ade | 680 | PEI_CORE_FV_HANDLE *CoreFvHandle;\r |
681 | \r | |
b0d803fe | 682 | if ((VolumeHandle == NULL) || (FileName == NULL) || (FileHandle == NULL)) {\r |
192f6d4c | 683 | return EFI_INVALID_PARAMETER;\r |
684 | }\r | |
3b428ade | 685 | \r |
686 | CoreFvHandle = FvHandleToCoreHandle (VolumeHandle);\r | |
687 | if ((CoreFvHandle == NULL) || (CoreFvHandle->FvPpi == NULL)) {\r | |
688 | return EFI_NOT_FOUND;\r | |
b0d803fe | 689 | }\r |
3b428ade | 690 | \r |
691 | return CoreFvHandle->FvPpi->FindFileByName (CoreFvHandle->FvPpi, FileName, &VolumeHandle, FileHandle);\r | |
b0d803fe | 692 | }\r |
693 | \r | |
b1f6a7c6 | 694 | /**\r |
b1f6a7c6 | 695 | Returns information about a specific file.\r |
696 | \r | |
3b428ade | 697 | @param FileHandle Handle of the file.\r |
698 | @param FileInfo Upon exit, points to the file’s information.\r | |
b1f6a7c6 | 699 | \r |
3b428ade | 700 | @retval EFI_INVALID_PARAMETER If FileInfo is NULL.\r |
701 | @retval EFI_INVALID_PARAMETER If FileHandle does not represent a valid file.\r | |
702 | @retval EFI_SUCCESS File information returned.\r | |
b1f6a7c6 | 703 | \r |
704 | **/\r | |
b0d803fe | 705 | EFI_STATUS\r |
706 | EFIAPI \r | |
707 | PeiFfsGetFileInfo (\r | |
708 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
709 | OUT EFI_FV_FILE_INFO *FileInfo\r | |
710 | )\r | |
b0d803fe | 711 | {\r |
3b428ade | 712 | PEI_CORE_FV_HANDLE *CoreFvHandle;\r |
713 | \r | |
b0d803fe | 714 | if ((FileHandle == NULL) || (FileInfo == NULL)) {\r |
715 | return EFI_INVALID_PARAMETER;\r | |
716 | }\r | |
717 | \r | |
718 | //\r | |
719 | // Retrieve the FirmwareVolume which the file resides in.\r | |
720 | //\r | |
3b428ade | 721 | CoreFvHandle = FileHandleToVolume (FileHandle);\r |
722 | if ((CoreFvHandle == NULL) || (CoreFvHandle->FvPpi == NULL)) {\r | |
b0d803fe | 723 | return EFI_INVALID_PARAMETER;\r |
724 | }\r | |
725 | \r | |
3b428ade | 726 | return CoreFvHandle->FvPpi->GetFileInfo (CoreFvHandle->FvPpi, FileHandle, FileInfo);\r |
b0d803fe | 727 | }\r |
728 | \r | |
729 | \r | |
b1f6a7c6 | 730 | /**\r |
3b428ade | 731 | Returns information about the specified volume.\r |
b1f6a7c6 | 732 | \r |
3b428ade | 733 | @param VolumeHandle Handle of the volume.\r |
734 | @param VolumeInfo Upon exit, points to the volume’s information.\r | |
b1f6a7c6 | 735 | \r |
3b428ade | 736 | @retval EFI_INVALID_PARAMETER If VolumeHandle does not represent a valid volume.\r |
737 | @retval EFI_INVALID_PARAMETER If VolumeInfo is NULL.\r | |
738 | @retval EFI_SUCCESS Volume information returned.\r | |
b1f6a7c6 | 739 | **/\r |
b0d803fe | 740 | EFI_STATUS\r |
741 | EFIAPI \r | |
742 | PeiFfsGetVolumeInfo (\r | |
743 | IN EFI_PEI_FV_HANDLE VolumeHandle,\r | |
744 | OUT EFI_FV_INFO *VolumeInfo\r | |
745 | )\r | |
b0d803fe | 746 | {\r |
3b428ade | 747 | PEI_CORE_FV_HANDLE *CoreHandle;\r |
748 | \r | |
b0d803fe | 749 | if (VolumeInfo == NULL) {\r |
750 | return EFI_INVALID_PARAMETER;\r | |
192f6d4c | 751 | }\r |
288f9b38 | 752 | \r |
3b428ade | 753 | CoreHandle = FvHandleToCoreHandle (VolumeHandle);\r |
754 | \r | |
755 | if ((CoreHandle == NULL) || (CoreHandle->FvPpi == NULL)) {\r | |
288f9b38 LG |
756 | return EFI_INVALID_PARAMETER;\r |
757 | }\r | |
3b428ade | 758 | \r |
759 | return CoreHandle->FvPpi->GetVolumeInfo (CoreHandle->FvPpi, VolumeHandle, VolumeInfo);\r | |
192f6d4c | 760 | }\r |
b0d803fe | 761 | \r |
4c6486b9 | 762 | /**\r |
763 | Get Fv image from the FV type file, then install FV INFO ppi, Build FV hob.\r | |
764 | \r | |
3b428ade | 765 | @param ParentFvCoreHandle Pointer of EFI_CORE_FV_HANDLE to parent Fv image that contain this Fv image.\r |
97b2c9b5 | 766 | @param ParentFvFileHandle File handle of a Fv type file that contain this Fv image.\r |
4c6486b9 | 767 | \r |
768 | @retval EFI_NOT_FOUND FV image can't be found.\r | |
769 | @retval EFI_SUCCESS Successfully to process it.\r | |
770 | @retval EFI_OUT_OF_RESOURCES Can not allocate page when aligning FV image\r | |
771 | @retval Others Can not find EFI_SECTION_FIRMWARE_VOLUME_IMAGE section\r | |
772 | \r | |
773 | **/\r | |
774 | EFI_STATUS\r | |
775 | ProcessFvFile (\r | |
3b428ade | 776 | IN PEI_CORE_FV_HANDLE *ParentFvCoreHandle,\r |
777 | IN EFI_PEI_FILE_HANDLE ParentFvFileHandle\r | |
4c6486b9 | 778 | )\r |
779 | {\r | |
3b428ade | 780 | EFI_STATUS Status;\r |
781 | EFI_FV_INFO ParentFvImageInfo;\r | |
782 | UINT32 FvAlignment;\r | |
783 | VOID *NewFvBuffer;\r | |
784 | EFI_PEI_HOB_POINTERS HobPtr;\r | |
785 | EFI_PEI_FIRMWARE_VOLUME_PPI *ParentFvPpi;\r | |
786 | EFI_PEI_FV_HANDLE ParentFvHandle;\r | |
787 | EFI_FIRMWARE_VOLUME_HEADER *FvHeader;\r | |
788 | EFI_FV_FILE_INFO FileInfo;\r | |
789 | \r | |
4c6486b9 | 790 | //\r |
791 | // Check if this EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE file has already\r | |
792 | // been extracted.\r | |
793 | //\r | |
794 | HobPtr.Raw = GetHobList ();\r | |
795 | while ((HobPtr.Raw = GetNextHob (EFI_HOB_TYPE_FV2, HobPtr.Raw)) != NULL) {\r | |
97b2c9b5 | 796 | if (CompareGuid (&(((EFI_FFS_FILE_HEADER *)ParentFvFileHandle)->Name), &HobPtr.FirmwareVolume2->FileName)) {\r |
4c6486b9 | 797 | //\r |
798 | // this FILE has been dispatched, it will not be dispatched again.\r | |
799 | //\r | |
3b428ade | 800 | DEBUG ((EFI_D_INFO, "FV file %p has been dispatched!\r\n", ParentFvFileHandle));\r |
4c6486b9 | 801 | return EFI_SUCCESS;\r |
802 | }\r | |
803 | HobPtr.Raw = GET_NEXT_HOB (HobPtr);\r | |
804 | }\r | |
805 | \r | |
3b428ade | 806 | ParentFvHandle = ParentFvCoreHandle->FvHandle;\r |
807 | ParentFvPpi = ParentFvCoreHandle->FvPpi;\r | |
808 | \r | |
4c6486b9 | 809 | //\r |
810 | // Find FvImage in FvFile\r | |
811 | //\r | |
3b428ade | 812 | Status = ParentFvPpi->FindSectionByType (\r |
813 | ParentFvPpi,\r | |
814 | EFI_SECTION_FIRMWARE_VOLUME_IMAGE,\r | |
815 | ParentFvFileHandle,\r | |
816 | (VOID **)&FvHeader\r | |
817 | );\r | |
818 | \r | |
4c6486b9 | 819 | if (EFI_ERROR (Status)) {\r |
820 | return Status;\r | |
821 | }\r | |
97b2c9b5 LG |
822 | \r |
823 | //\r | |
3b428ade | 824 | // FvAlignment must be more than 8 bytes required by FvHeader structure.\r |
4c6486b9 | 825 | //\r |
3b428ade | 826 | FvAlignment = 1 << ((FvHeader->Attributes & EFI_FVB2_ALIGNMENT) >> 16);\r |
4c6486b9 | 827 | if (FvAlignment < 8) {\r |
828 | FvAlignment = 8;\r | |
829 | }\r | |
830 | \r | |
831 | //\r | |
832 | // Check FvImage\r | |
833 | //\r | |
3b428ade | 834 | if ((UINTN) FvHeader % FvAlignment != 0) {\r |
835 | NewFvBuffer = AllocateAlignedPages (EFI_SIZE_TO_PAGES ((UINT32) FvHeader->FvLength), FvAlignment);\r | |
836 | if (NewFvBuffer == NULL) {\r | |
4c6486b9 | 837 | return EFI_OUT_OF_RESOURCES;\r |
838 | }\r | |
3b428ade | 839 | CopyMem (NewFvBuffer, FvHeader, (UINTN) FvHeader->FvLength);\r |
840 | FvHeader = (EFI_FIRMWARE_VOLUME_HEADER*) NewFvBuffer;\r | |
4c6486b9 | 841 | }\r |
3b428ade | 842 | \r |
843 | Status = ParentFvPpi->GetVolumeInfo (ParentFvPpi, ParentFvHandle, &ParentFvImageInfo);\r | |
844 | ASSERT_EFI_ERROR (Status);\r | |
845 | \r | |
846 | Status = ParentFvPpi->GetFileInfo (ParentFvPpi, ParentFvFileHandle, &FileInfo);\r | |
847 | ASSERT_EFI_ERROR (Status);\r | |
848 | \r | |
4c6486b9 | 849 | //\r |
850 | // Install FvPpi and Build FvHob\r | |
851 | //\r | |
187f1a5b | 852 | PeiServicesInstallFvInfoPpi (\r |
3b428ade | 853 | &FvHeader->FileSystemGuid,\r |
854 | (VOID**) FvHeader,\r | |
855 | (UINT32) FvHeader->FvLength,\r | |
97b2c9b5 | 856 | &ParentFvImageInfo.FvName,\r |
3b428ade | 857 | &FileInfo.FileName\r |
4c6486b9 | 858 | );\r |
859 | \r | |
860 | //\r | |
861 | // Inform the extracted FvImage to Fv HOB consumer phase, i.e. DXE phase\r | |
4c6486b9 | 862 | //\r |
223c22d8 | 863 | BuildFvHob (\r |
3b428ade | 864 | (EFI_PHYSICAL_ADDRESS) (UINTN) FvHeader,\r |
865 | FvHeader->FvLength\r | |
18fcd6a7 | 866 | );\r |
4c6486b9 | 867 | \r |
868 | //\r | |
869 | // Makes the encapsulated volume show up in DXE phase to skip processing of\r | |
870 | // encapsulated file again.\r | |
871 | //\r | |
872 | BuildFv2Hob (\r | |
3b428ade | 873 | (EFI_PHYSICAL_ADDRESS) (UINTN) FvHeader,\r |
874 | FvHeader->FvLength,\r | |
97b2c9b5 | 875 | &ParentFvImageInfo.FvName,\r |
3b428ade | 876 | &FileInfo.FileName\r |
4c6486b9 | 877 | );\r |
878 | \r | |
879 | return EFI_SUCCESS;\r | |
880 | }\r | |
881 | \r | |
3b428ade | 882 | /**\r |
883 | Process a firmware volume and create a volume handle.\r | |
884 | \r | |
885 | Create a volume handle from the information in the buffer. For\r | |
886 | memory-mapped firmware volumes, Buffer and BufferSize refer to\r | |
887 | the start of the firmware volume and the firmware volume size.\r | |
888 | For non memory-mapped firmware volumes, this points to a\r | |
889 | buffer which contains the necessary information for creating\r | |
890 | the firmware volume handle. Normally, these values are derived\r | |
891 | from the EFI_FIRMWARE_VOLUME_INFO_PPI.\r | |
892 | \r | |
893 | \r | |
894 | @param This Points to this instance of the\r | |
895 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
896 | @param Buffer Points to the start of the buffer.\r | |
897 | @param BufferSize Size of the buffer.\r | |
898 | @param FvHandle Points to the returned firmware volume\r | |
899 | handle. The firmware volume handle must\r | |
900 | be unique within the system. \r | |
901 | \r | |
902 | @retval EFI_SUCCESS Firmware volume handle created.\r | |
903 | @retval EFI_VOLUME_CORRUPTED Volume was corrupt.\r | |
904 | \r | |
905 | **/\r | |
906 | EFI_STATUS\r | |
907 | EFIAPI\r | |
908 | PeiFfs2FvPpiProcessVolume (\r | |
909 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r | |
910 | IN VOID *Buffer,\r | |
911 | IN UINTN BufferSize,\r | |
912 | OUT EFI_PEI_FV_HANDLE *FvHandle\r | |
913 | )\r | |
914 | {\r | |
915 | EFI_STATUS Status;\r | |
916 | PEI_CORE_INSTANCE *PrivateData;\r | |
917 | EFI_PEI_FILE_HANDLE FileHandle;\r | |
918 | VOID *DepexData;\r | |
919 | EFI_PEI_SERVICES **PeiServices;\r | |
920 | UINTN FvIndex;\r | |
921 | \r | |
922 | PeiServices = (EFI_PEI_SERVICES**) GetPeiServicesTablePointer ();\r | |
923 | PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);\r | |
924 | \r | |
925 | //\r | |
926 | // The build-in EFI_PEI_FIRMWARE_VOLUME_PPI for FFS2 support memory-mapped\r | |
927 | // FV image and the handle is pointed to Fv image's buffer.\r | |
928 | //\r | |
929 | *FvHandle = (EFI_PEI_FV_HANDLE) Buffer;\r | |
930 | \r | |
931 | //\r | |
932 | // Do verify for given FV buffer.\r | |
933 | //\r | |
934 | Status = VerifyFv ((EFI_FIRMWARE_VOLUME_HEADER*) Buffer);\r | |
935 | if (EFI_ERROR(Status)) {\r | |
936 | DEBUG ((EFI_D_ERROR, "Fail to verify FV which address is 0x%11p", Buffer));\r | |
937 | return EFI_VOLUME_CORRUPTED;\r | |
938 | }\r | |
939 | \r | |
940 | //\r | |
941 | // Check whether the FV has already been processed.\r | |
942 | //\r | |
943 | for (FvIndex = 0; FvIndex < PrivateData->FvCount; FvIndex ++) {\r | |
944 | if (PrivateData->Fv[FvIndex].FvHandle == *FvHandle) {\r | |
945 | DEBUG ((EFI_D_INFO, "The Fv %p has already been processed!", Buffer));\r | |
946 | return EFI_SUCCESS;\r | |
947 | }\r | |
948 | }\r | |
949 | \r | |
950 | //\r | |
951 | // Update internal PEI_CORE_FV array.\r | |
952 | //\r | |
953 | PrivateData->Fv[PrivateData->FvCount].FvHeader = (EFI_FIRMWARE_VOLUME_HEADER*) Buffer;\r | |
954 | PrivateData->Fv[PrivateData->FvCount].FvPpi = (EFI_PEI_FIRMWARE_VOLUME_PPI*) This;\r | |
955 | PrivateData->Fv[PrivateData->FvCount].FvHandle = *FvHandle;\r | |
956 | \r | |
957 | DEBUG ((EFI_D_INFO, \r | |
958 | "The %dth FV start address is 0x%11p and size is 0x%08x\n", \r | |
959 | (UINT32) PrivateData->FvCount, \r | |
960 | (VOID *) Buffer, \r | |
961 | BufferSize\r | |
962 | ));\r | |
963 | PrivateData->FvCount ++;\r | |
964 | \r | |
965 | do {\r | |
966 | Status = This->FindFileByType (\r | |
967 | This,\r | |
968 | EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE,\r | |
969 | *FvHandle,\r | |
970 | &FileHandle\r | |
971 | );\r | |
972 | if (!EFI_ERROR (Status)) {\r | |
973 | Status = This->FindSectionByType (\r | |
974 | This,\r | |
975 | EFI_SECTION_PEI_DEPEX,\r | |
976 | FileHandle,\r | |
977 | (VOID**)&DepexData\r | |
978 | );\r | |
979 | if (!EFI_ERROR (Status)) {\r | |
980 | if (!PeimDispatchReadiness (PeiServices, DepexData)) {\r | |
981 | //\r | |
982 | // Dependency is not satisfied.\r | |
983 | //\r | |
984 | continue;\r | |
985 | }\r | |
986 | }\r | |
987 | \r | |
988 | DEBUG ((EFI_D_INFO, "Found firmware volume Image File %p in FV[%d] %p", FileHandle, PrivateData->FvCount - 1, *FvHandle));\r | |
989 | ProcessFvFile (&PrivateData->Fv[PrivateData->FvCount - 1], FileHandle);\r | |
990 | }\r | |
991 | } while (FileHandle != NULL);\r | |
992 | \r | |
993 | return EFI_SUCCESS;\r | |
994 | } \r | |
995 | \r | |
996 | /**\r | |
997 | Finds the next file of the specified type.\r | |
998 | \r | |
999 | This service enables PEI modules to discover additional firmware files. \r | |
1000 | The FileHandle must be unique within the system.\r | |
1001 | \r | |
1002 | @param This Points to this instance of the\r | |
1003 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
1004 | @param SearchType A filter to find only files of this type. Type\r | |
1005 | EFI_FV_FILETYPE_ALL causes no filtering to be\r | |
1006 | done.\r | |
1007 | @param FvHandle Handle of firmware volume in which to\r | |
1008 | search.\r | |
1009 | @param FileHandle Points to the current handle from which to\r | |
1010 | begin searching or NULL to start at the\r | |
1011 | beginning of the firmware volume. Updated\r | |
1012 | upon return to reflect the file found.\r | |
1013 | \r | |
1014 | @retval EFI_SUCCESS The file was found.\r | |
1015 | @retval EFI_NOT_FOUND The file was not found. FileHandle contains NULL.\r | |
1016 | \r | |
1017 | **/\r | |
1018 | EFI_STATUS\r | |
1019 | EFIAPI\r | |
1020 | PeiFfs2FvPpiFindFileByType (\r | |
1021 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r | |
1022 | IN EFI_FV_FILETYPE SearchType,\r | |
1023 | IN EFI_PEI_FV_HANDLE FvHandle,\r | |
1024 | IN OUT EFI_PEI_FILE_HANDLE *FileHandle\r | |
1025 | )\r | |
1026 | { \r | |
1027 | return FindFileEx (FvHandle, NULL, SearchType, FileHandle, NULL);\r | |
1028 | }\r | |
1029 | \r | |
1030 | /**\r | |
1031 | Find a file within a volume by its name. \r | |
1032 | \r | |
1033 | This service searches for files with a specific name, within\r | |
1034 | either the specified firmware volume or all firmware volumes.\r | |
1035 | \r | |
1036 | @param This Points to this instance of the\r | |
1037 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
1038 | @param FileName A pointer to the name of the file to find\r | |
1039 | within the firmware volume.\r | |
1040 | @param FvHandle Upon entry, the pointer to the firmware\r | |
1041 | volume to search or NULL if all firmware\r | |
1042 | volumes should be searched. Upon exit, the\r | |
1043 | actual firmware volume in which the file was\r | |
1044 | found.\r | |
1045 | @param FileHandle Upon exit, points to the found file's\r | |
1046 | handle or NULL if it could not be found.\r | |
1047 | \r | |
1048 | @retval EFI_SUCCESS File was found.\r | |
1049 | @retval EFI_NOT_FOUND File was not found.\r | |
1050 | @retval EFI_INVALID_PARAMETER FvHandle or FileHandle or\r | |
1051 | FileName was NULL.\r | |
1052 | \r | |
1053 | \r | |
1054 | **/\r | |
1055 | EFI_STATUS\r | |
1056 | EFIAPI\r | |
1057 | PeiFfs2FvPpiFindFileByName (\r | |
1058 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r | |
1059 | IN CONST EFI_GUID *FileName,\r | |
1060 | IN EFI_PEI_FV_HANDLE *FvHandle,\r | |
1061 | OUT EFI_PEI_FILE_HANDLE *FileHandle \r | |
1062 | )\r | |
1063 | {\r | |
1064 | EFI_STATUS Status;\r | |
1065 | PEI_CORE_INSTANCE *PrivateData;\r | |
1066 | UINTN Index;\r | |
1067 | \r | |
1068 | if ((FvHandle == NULL) || (FileName == NULL) || (FileHandle == NULL)) {\r | |
1069 | return EFI_INVALID_PARAMETER;\r | |
1070 | }\r | |
1071 | \r | |
1072 | if (*FvHandle != NULL) {\r | |
1073 | Status = FindFileEx (*FvHandle, FileName, 0, FileHandle, NULL);\r | |
1074 | if (Status == EFI_NOT_FOUND) {\r | |
1075 | *FileHandle = NULL;\r | |
1076 | }\r | |
1077 | } else { \r | |
1078 | //\r | |
1079 | // If *FvHandle = NULL, so search all FV for given filename\r | |
1080 | //\r | |
1081 | Status = EFI_NOT_FOUND;\r | |
1082 | \r | |
1083 | PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (GetPeiServicesTablePointer());\r | |
1084 | for (Index = 0; Index < PrivateData->FvCount; Index ++) {\r | |
1085 | //\r | |
1086 | // Only search the FV which is associated with a EFI_PEI_FIRMWARE_VOLUME_PPI instance.\r | |
1087 | //\r | |
1088 | if (PrivateData->Fv[Index].FvPpi != NULL) {\r | |
1089 | Status = FindFileEx (PrivateData->Fv[Index].FvHandle, FileName, 0, FileHandle, NULL);\r | |
1090 | if (!EFI_ERROR (Status)) {\r | |
1091 | *FvHandle = PrivateData->Fv[Index].FvHandle;\r | |
1092 | }\r | |
1093 | }\r | |
1094 | }\r | |
1095 | }\r | |
1096 | \r | |
1097 | return Status; \r | |
1098 | } \r | |
1099 | \r | |
1100 | /**\r | |
1101 | Returns information about a specific file.\r | |
1102 | \r | |
1103 | This function returns information about a specific\r | |
1104 | file, including its file name, type, attributes, starting\r | |
1105 | address and size. \r | |
1106 | \r | |
1107 | @param This Points to this instance of the\r | |
1108 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
1109 | @param FileHandle Handle of the file.\r | |
1110 | @param FileInfo Upon exit, points to the file's\r | |
1111 | information.\r | |
1112 | \r | |
1113 | @retval EFI_SUCCESS File information returned.\r | |
1114 | @retval EFI_INVALID_PARAMETER If FileHandle does not\r | |
1115 | represent a valid file.\r | |
1116 | @retval EFI_INVALID_PARAMETER If FileInfo is NULL.\r | |
1117 | \r | |
1118 | **/ \r | |
1119 | EFI_STATUS\r | |
1120 | EFIAPI\r | |
1121 | PeiFfs2FvPpiGetFileInfo (\r | |
1122 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This, \r | |
1123 | IN EFI_PEI_FILE_HANDLE FileHandle, \r | |
1124 | OUT EFI_FV_FILE_INFO *FileInfo\r | |
1125 | )\r | |
1126 | {\r | |
1127 | UINT8 FileState;\r | |
1128 | UINT8 ErasePolarity;\r | |
1129 | EFI_FFS_FILE_HEADER *FileHeader;\r | |
1130 | PEI_CORE_FV_HANDLE *CoreFvHandle;\r | |
1131 | \r | |
1132 | if ((FileHandle == NULL) || (FileInfo == NULL)) {\r | |
1133 | return EFI_INVALID_PARAMETER;\r | |
1134 | }\r | |
1135 | \r | |
1136 | //\r | |
1137 | // Retrieve the FirmwareVolume which the file resides in.\r | |
1138 | //\r | |
1139 | CoreFvHandle = FileHandleToVolume (FileHandle);\r | |
1140 | if (CoreFvHandle == NULL) {\r | |
1141 | return EFI_INVALID_PARAMETER;\r | |
1142 | }\r | |
1143 | \r | |
1144 | if (CoreFvHandle->FvHeader->Attributes & EFI_FVB2_ERASE_POLARITY) {\r | |
1145 | ErasePolarity = 1;\r | |
1146 | } else {\r | |
1147 | ErasePolarity = 0;\r | |
1148 | }\r | |
1149 | \r | |
1150 | //\r | |
1151 | // Get FileState which is the highest bit of the State \r | |
1152 | //\r | |
1153 | FileState = GetFileState (ErasePolarity, (EFI_FFS_FILE_HEADER*)FileHandle);\r | |
1154 | \r | |
1155 | switch (FileState) {\r | |
1156 | case EFI_FILE_DATA_VALID:\r | |
1157 | case EFI_FILE_MARKED_FOR_UPDATE:\r | |
1158 | break; \r | |
1159 | default:\r | |
1160 | return EFI_INVALID_PARAMETER;\r | |
1161 | }\r | |
1162 | \r | |
1163 | FileHeader = (EFI_FFS_FILE_HEADER *)FileHandle;\r | |
1164 | CopyMem (&FileInfo->FileName, &FileHeader->Name, sizeof(EFI_GUID));\r | |
1165 | FileInfo->FileType = FileHeader->Type;\r | |
1166 | FileInfo->FileAttributes = FileHeader->Attributes;\r | |
1167 | FileInfo->BufferSize = ((*(UINT32 *)FileHeader->Size) & 0x00FFFFFF) - sizeof (EFI_FFS_FILE_HEADER);\r | |
1168 | FileInfo->Buffer = (FileHeader + 1);\r | |
1169 | return EFI_SUCCESS; \r | |
1170 | } \r | |
1171 | \r | |
1172 | /**\r | |
1173 | This function returns information about the firmware volume.\r | |
1174 | \r | |
1175 | @param This Points to this instance of the\r | |
1176 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
1177 | @param FvHandle Handle to the firmware handle.\r | |
1178 | @param VolumeInfo Points to the returned firmware volume\r | |
1179 | information.\r | |
1180 | \r | |
1181 | @retval EFI_SUCCESS Information returned successfully.\r | |
1182 | @retval EFI_INVALID_PARAMETER FvHandle does not indicate a valid\r | |
1183 | firmware volume or VolumeInfo is NULL.\r | |
1184 | \r | |
1185 | **/ \r | |
1186 | EFI_STATUS\r | |
1187 | EFIAPI\r | |
1188 | PeiFfs2FvPpiGetVolumeInfo (\r | |
1189 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This, \r | |
1190 | IN EFI_PEI_FV_HANDLE FvHandle, \r | |
1191 | OUT EFI_FV_INFO *VolumeInfo\r | |
1192 | )\r | |
1193 | {\r | |
1194 | EFI_FIRMWARE_VOLUME_HEADER FwVolHeader;\r | |
1195 | EFI_FIRMWARE_VOLUME_EXT_HEADER *FwVolExHeaderInfo;\r | |
1196 | \r | |
1197 | if (VolumeInfo == NULL) {\r | |
1198 | return EFI_INVALID_PARAMETER;\r | |
1199 | }\r | |
1200 | \r | |
1201 | //\r | |
1202 | // VolumeHandle may not align at 8 byte, \r | |
1203 | // but FvLength is UINT64 type, which requires FvHeader align at least 8 byte. \r | |
1204 | // So, Copy FvHeader into the local FvHeader structure.\r | |
1205 | //\r | |
1206 | CopyMem (&FwVolHeader, FvHandle, sizeof (EFI_FIRMWARE_VOLUME_HEADER));\r | |
1207 | \r | |
1208 | //\r | |
1209 | // Check Fv Image Signature\r | |
1210 | //\r | |
1211 | if (FwVolHeader.Signature != EFI_FVH_SIGNATURE) {\r | |
1212 | return EFI_INVALID_PARAMETER;\r | |
1213 | }\r | |
1214 | \r | |
1215 | ZeroMem (VolumeInfo, sizeof (EFI_FV_INFO));\r | |
1216 | VolumeInfo->FvAttributes = FwVolHeader.Attributes;\r | |
1217 | VolumeInfo->FvStart = (VOID *) FvHandle;\r | |
1218 | VolumeInfo->FvSize = FwVolHeader.FvLength;\r | |
1219 | CopyMem (&VolumeInfo->FvFormat, &FwVolHeader.FileSystemGuid, sizeof(EFI_GUID));\r | |
1220 | \r | |
1221 | if (FwVolHeader.ExtHeaderOffset != 0) {\r | |
1222 | FwVolExHeaderInfo = (EFI_FIRMWARE_VOLUME_EXT_HEADER*)(((UINT8 *)FvHandle) + FwVolHeader.ExtHeaderOffset);\r | |
1223 | CopyMem (&VolumeInfo->FvName, &FwVolExHeaderInfo->FvName, sizeof(EFI_GUID));\r | |
1224 | }\r | |
1225 | \r | |
1226 | return EFI_SUCCESS; \r | |
1227 | } \r | |
1228 | \r | |
1229 | /**\r | |
1230 | Find the next matching section in the firmware file.\r | |
1231 | \r | |
1232 | This service enables PEI modules to discover sections\r | |
1233 | of a given type within a valid file.\r | |
1234 | \r | |
1235 | @param This Points to this instance of the\r | |
1236 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
1237 | @param SearchType A filter to find only sections of this\r | |
1238 | type.\r | |
1239 | @param FileHandle Handle of firmware file in which to\r | |
1240 | search.\r | |
1241 | @param SectionData Updated upon return to point to the\r | |
1242 | section found.\r | |
1243 | \r | |
1244 | @retval EFI_SUCCESS Section was found.\r | |
1245 | @retval EFI_NOT_FOUND Section of the specified type was not\r | |
1246 | found. SectionData contains NULL.\r | |
1247 | **/\r | |
1248 | EFI_STATUS\r | |
1249 | EFIAPI\r | |
1250 | PeiFfs2FvPpiFindSectionByType (\r | |
1251 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r | |
1252 | IN EFI_SECTION_TYPE SearchType,\r | |
1253 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
1254 | OUT VOID **SectionData\r | |
1255 | )\r | |
1256 | {\r | |
1257 | EFI_FFS_FILE_HEADER *FfsFileHeader;\r | |
1258 | UINT32 FileSize;\r | |
1259 | EFI_COMMON_SECTION_HEADER *Section;\r | |
1260 | \r | |
1261 | FfsFileHeader = (EFI_FFS_FILE_HEADER *)(FileHandle);\r | |
1262 | \r | |
1263 | //\r | |
1264 | // Size is 24 bits wide so mask upper 8 bits. \r | |
1265 | // Does not include FfsFileHeader header size\r | |
1266 | // FileSize is adjusted to FileOccupiedSize as it is 8 byte aligned.\r | |
1267 | //\r | |
1268 | Section = (EFI_COMMON_SECTION_HEADER *)(FfsFileHeader + 1);\r | |
1269 | FileSize = *(UINT32 *)(FfsFileHeader->Size) & 0x00FFFFFF;\r | |
1270 | FileSize -= sizeof (EFI_FFS_FILE_HEADER);\r | |
1271 | \r | |
1272 | return ProcessSection (\r | |
1273 | GetPeiServicesTablePointer (),\r | |
1274 | SearchType, \r | |
1275 | Section, \r | |
1276 | FileSize, \r | |
1277 | SectionData\r | |
1278 | ); \r | |
1279 | } \r | |
1280 | \r | |
1281 | /**\r | |
1282 | Convert the handle of FV to pointer of corresponding PEI_CORE_FV_HANDLE.\r | |
1283 | \r | |
1284 | @param FvHandle The handle of a FV.\r | |
1285 | \r | |
1286 | @retval NULL if can not find.\r | |
1287 | @return Pointer of corresponding PEI_CORE_FV_HANDLE. \r | |
1288 | **/\r | |
1289 | PEI_CORE_FV_HANDLE *\r | |
1290 | FvHandleToCoreHandle (\r | |
1291 | IN EFI_PEI_FV_HANDLE FvHandle\r | |
1292 | )\r | |
1293 | {\r | |
1294 | UINTN Index;\r | |
1295 | PEI_CORE_INSTANCE *PrivateData;\r | |
1296 | \r | |
1297 | PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (GetPeiServicesTablePointer()); \r | |
1298 | for (Index = 0; Index < PrivateData->FvCount; Index ++) {\r | |
1299 | if (FvHandle == PrivateData->Fv[Index].FvHandle) {\r | |
1300 | return &PrivateData->Fv[Index];\r | |
1301 | }\r | |
1302 | }\r | |
1303 | \r | |
1304 | return NULL;\r | |
1305 | } \r | |
1306 | \r | |
1307 | /**\r | |
1308 | Get instance of PEI_CORE_FV_HANDLE for next volume according to given index.\r | |
1309 | \r | |
1310 | This routine also will install FvInfo ppi for FV hob in PI ways.\r | |
1311 | \r | |
1312 | @param Private Pointer of PEI_CORE_INSTANCE\r | |
1313 | @param Instance The index of FV want to be searched.\r | |
1314 | \r | |
1315 | @return Instance of PEI_CORE_FV_HANDLE.\r | |
1316 | **/\r | |
1317 | PEI_CORE_FV_HANDLE *\r | |
1318 | FindNextCoreFvHandle (\r | |
1319 | IN PEI_CORE_INSTANCE *Private,\r | |
1320 | IN UINTN Instance\r | |
1321 | )\r | |
1322 | {\r | |
1323 | UINTN Index;\r | |
1324 | BOOLEAN Match;\r | |
1325 | EFI_HOB_FIRMWARE_VOLUME *FvHob;\r | |
1326 | \r | |
1327 | //\r | |
1328 | // Handle Framework FvHob and Install FvInfo Ppi for it.\r | |
1329 | //\r | |
1330 | if (FeaturePcdGet (PcdFrameworkCompatibilitySupport)) {\r | |
1331 | //\r | |
1332 | // Loop to search the wanted FirmwareVolume which supports FFS\r | |
1333 | //\r | |
1334 | FvHob = (EFI_HOB_FIRMWARE_VOLUME *)GetFirstHob (EFI_HOB_TYPE_FV);\r | |
1335 | while (FvHob != NULL) {\r | |
1336 | for (Index = 0, Match = FALSE; Index < Private->FvCount; Index++) {\r | |
1337 | if ((EFI_PEI_FV_HANDLE)(UINTN)FvHob->BaseAddress == Private->Fv[Index].FvHeader) {\r | |
1338 | Match = TRUE;\r | |
1339 | break;\r | |
1340 | }\r | |
1341 | }\r | |
1342 | //\r | |
1343 | // If Not Found, Install FvInfo Ppi for it.\r | |
1344 | //\r | |
1345 | if (!Match) {\r | |
1346 | PeiServicesInstallFvInfoPpi (\r | |
1347 | &(((EFI_FIRMWARE_VOLUME_HEADER *)(UINTN)FvHob->BaseAddress)->FileSystemGuid),\r | |
1348 | (VOID *)(UINTN)FvHob->BaseAddress,\r | |
1349 | (UINT32)FvHob->Length,\r | |
1350 | NULL,\r | |
1351 | NULL\r | |
1352 | );\r | |
1353 | }\r | |
1354 | FvHob = (EFI_HOB_FIRMWARE_VOLUME *)GetNextHob (EFI_HOB_TYPE_FV, (VOID *)((UINTN)FvHob + FvHob->Header.HobLength)); \r | |
1355 | }\r | |
1356 | }\r | |
1357 | \r | |
1358 | if (Instance >= Private->FvCount) {\r | |
1359 | return NULL;\r | |
1360 | }\r | |
4c6486b9 | 1361 | \r |
3b428ade | 1362 | return &Private->Fv[Instance];\r |
1363 | } \r |