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1 | /** @file\r | |
2 | \r | |
3 | Library to rebase PE image.\r | |
4 | \r | |
5 | Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>\r | |
6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
7 | \r | |
8 | **/\r | |
9 | \r | |
10 | #include "Rebase.h"\r | |
11 | #include <stdio.h>\r | |
12 | #include <stdlib.h>\r | |
13 | #ifdef __GNUC__\r | |
14 | #include <unistd.h>\r | |
15 | #else\r | |
16 | #include <io.h>\r | |
17 | #include <direct.h>\r | |
18 | #endif\r | |
19 | #include <PeCoffLib.h>\r | |
20 | #include <CommonLib.h>\r | |
21 | #include <IndustryStandard/PeImage.h>\r | |
22 | #include <FvLib.h>\r | |
23 | #include "EfiUtilityMsgs.h"\r | |
24 | \r | |
25 | static\r | |
26 | EFI_STATUS\r | |
27 | FfsRebaseImageRead(\r | |
28 | IN VOID *FileHandle,\r | |
29 | IN UINTN FileOffset,\r | |
30 | IN OUT UINT32 *ReadSize,\r | |
31 | OUT VOID *Buffer\r | |
32 | );\r | |
33 | \r | |
34 | EFI_STATUS\r | |
35 | RebaseFfs(\r | |
36 | IN OUT UINT64 BaseAddress,\r | |
37 | IN CHAR8 *FileName,\r | |
38 | IN OUT EFI_FFS_FILE_HEADER *FfsFile,\r | |
39 | IN UINTN XipOffset\r | |
40 | )\r | |
41 | /*++\r | |
42 | \r | |
43 | Routine Description:\r | |
44 | \r | |
45 | This function determines if a file is XIP and should be rebased. It will\r | |
46 | rebase any PE32 sections found in the file using the base address.\r | |
47 | \r | |
48 | Arguments:\r | |
49 | \r | |
50 | FvInfo A pointer to FV_INFO struture.\r | |
51 | FileName Ffs File PathName\r | |
52 | FfsFile A pointer to Ffs file image.\r | |
53 | XipOffset The offset address to use for rebasing the XIP file image.\r | |
54 | \r | |
55 | Returns:\r | |
56 | \r | |
57 | EFI_SUCCESS The image was properly rebased.\r | |
58 | EFI_INVALID_PARAMETER An input parameter is invalid.\r | |
59 | EFI_ABORTED An error occurred while rebasing the input file image.\r | |
60 | EFI_OUT_OF_RESOURCES Could not allocate a required resource.\r | |
61 | EFI_NOT_FOUND No compressed sections could be found.\r | |
62 | \r | |
63 | --*/\r | |
64 | {\r | |
65 | EFI_STATUS Status;\r | |
66 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r | |
67 | PE_COFF_LOADER_IMAGE_CONTEXT OrigImageContext;\r | |
68 | EFI_PHYSICAL_ADDRESS XipBase;\r | |
69 | EFI_PHYSICAL_ADDRESS NewPe32BaseAddress;\r | |
70 | UINTN Index;\r | |
71 | EFI_FILE_SECTION_POINTER CurrentPe32Section;\r | |
72 | EFI_FFS_FILE_STATE SavedState;\r | |
73 | EFI_IMAGE_OPTIONAL_HEADER_UNION *ImgHdr;\r | |
74 | EFI_TE_IMAGE_HEADER *TEImageHeader;\r | |
75 | UINT8 *MemoryImagePointer;\r | |
76 | EFI_IMAGE_SECTION_HEADER *SectionHeader;\r | |
77 | CHAR8 PeFileName[MAX_LONG_FILE_PATH];\r | |
78 | CHAR8 *Cptr;\r | |
79 | FILE *PeFile;\r | |
80 | UINT8 *PeFileBuffer;\r | |
81 | UINT32 PeFileSize;\r | |
82 | CHAR8 *PdbPointer;\r | |
83 | UINT32 FfsHeaderSize;\r | |
84 | UINT32 CurSecHdrSize;\r | |
85 | CHAR8 *LongFilePathName;\r | |
86 | \r | |
87 | Index = 0;\r | |
88 | MemoryImagePointer = NULL;\r | |
89 | TEImageHeader = NULL;\r | |
90 | ImgHdr = NULL;\r | |
91 | SectionHeader = NULL;\r | |
92 | Cptr = NULL;\r | |
93 | PeFile = NULL;\r | |
94 | PeFileBuffer = NULL;\r | |
95 | \r | |
96 | //\r | |
97 | // Don't need to relocate image when BaseAddress is zero and no ForceRebase Flag specified.\r | |
98 | //\r | |
99 | if (BaseAddress == 0) {\r | |
100 | return EFI_SUCCESS;\r | |
101 | }\r | |
102 | \r | |
103 | XipBase = BaseAddress + XipOffset;\r | |
104 | \r | |
105 | //\r | |
106 | // We only process files potentially containing PE32 sections.\r | |
107 | //\r | |
108 | switch (FfsFile->Type) {\r | |
109 | case EFI_FV_FILETYPE_SECURITY_CORE:\r | |
110 | case EFI_FV_FILETYPE_PEI_CORE:\r | |
111 | case EFI_FV_FILETYPE_PEIM:\r | |
112 | case EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER:\r | |
113 | case EFI_FV_FILETYPE_DRIVER:\r | |
114 | case EFI_FV_FILETYPE_DXE_CORE:\r | |
115 | break;\r | |
116 | case EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE:\r | |
117 | //\r | |
118 | // Rebase the inside FvImage.\r | |
119 | //\r | |
120 | GetChildFvFromFfs (BaseAddress, FfsFile, XipOffset);\r | |
121 | \r | |
122 | //\r | |
123 | // Search PE/TE section in FV sectin.\r | |
124 | //\r | |
125 | break;\r | |
126 | default:\r | |
127 | return EFI_SUCCESS;\r | |
128 | }\r | |
129 | \r | |
130 | FfsHeaderSize = GetFfsHeaderLength(FfsFile);\r | |
131 | //\r | |
132 | // Rebase each PE32 section\r | |
133 | //\r | |
134 | Status = EFI_SUCCESS;\r | |
135 | for (Index = 1;; Index++) {\r | |
136 | //\r | |
137 | // Init Value\r | |
138 | //\r | |
139 | NewPe32BaseAddress = 0;\r | |
140 | \r | |
141 | //\r | |
142 | // Find Pe Image\r | |
143 | //\r | |
144 | Status = GetSectionByType(FfsFile, EFI_SECTION_PE32, Index, &CurrentPe32Section);\r | |
145 | if (EFI_ERROR(Status)) {\r | |
146 | break;\r | |
147 | }\r | |
148 | CurSecHdrSize = GetSectionHeaderLength(CurrentPe32Section.CommonHeader);\r | |
149 | \r | |
150 | //\r | |
151 | // Initialize context\r | |
152 | //\r | |
153 | memset(&ImageContext, 0, sizeof (ImageContext));\r | |
154 | ImageContext.Handle = (VOID *)((UINTN)CurrentPe32Section.Pe32Section + CurSecHdrSize);\r | |
155 | ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE)FfsRebaseImageRead;\r | |
156 | Status = PeCoffLoaderGetImageInfo(&ImageContext);\r | |
157 | if (EFI_ERROR(Status)) {\r | |
158 | Error(NULL, 0, 3000, "Invalid PeImage", "The input file is %s and the return status is %x", FileName, (int)Status);\r | |
159 | return Status;\r | |
160 | }\r | |
161 | \r | |
162 | //if ((ImageContext.Machine == EFI_IMAGE_MACHINE_ARMT) ||\r | |
163 | // (ImageContext.Machine == EFI_IMAGE_MACHINE_AARCH64)) {\r | |
164 | // mArm = TRUE;\r | |
165 | //}\r | |
166 | \r | |
167 | //\r | |
168 | // Keep Image Context for PE image in FV\r | |
169 | //\r | |
170 | memcpy(&OrigImageContext, &ImageContext, sizeof (ImageContext));\r | |
171 | \r | |
172 | //\r | |
173 | // Get File PdbPointer\r | |
174 | //\r | |
175 | PdbPointer = PeCoffLoaderGetPdbPointer(ImageContext.Handle);\r | |
176 | if (PdbPointer == NULL) {\r | |
177 | PdbPointer = FileName;\r | |
178 | }\r | |
179 | \r | |
180 | //\r | |
181 | // Get PeHeader pointer\r | |
182 | //\r | |
183 | ImgHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)((UINTN)CurrentPe32Section.Pe32Section + CurSecHdrSize + ImageContext.PeCoffHeaderOffset);\r | |
184 | \r | |
185 | //\r | |
186 | // Calculate the PE32 base address, based on file type\r | |
187 | //\r | |
188 | switch (FfsFile->Type) {\r | |
189 | case EFI_FV_FILETYPE_SECURITY_CORE:\r | |
190 | case EFI_FV_FILETYPE_PEI_CORE:\r | |
191 | case EFI_FV_FILETYPE_PEIM:\r | |
192 | case EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER:\r | |
193 | //\r | |
194 | // Check if section-alignment and file-alignment match or not\r | |
195 | //\r | |
196 | if ((ImgHdr->Pe32.OptionalHeader.SectionAlignment != ImgHdr->Pe32.OptionalHeader.FileAlignment)) {\r | |
197 | //\r | |
198 | // Xip module has the same section alignment and file alignment.\r | |
199 | //\r | |
200 | Error(NULL, 0, 3000, "Invalid", "Section-Alignment and File-Alignment do not match : %s.", FileName);\r | |
201 | return EFI_ABORTED;\r | |
202 | }\r | |
203 | //\r | |
204 | // PeImage has no reloc section. It will try to get reloc data from the original EFI image.\r | |
205 | //\r | |
206 | if (ImageContext.RelocationsStripped) {\r | |
207 | //\r | |
208 | // Construct the original efi file Name\r | |
209 | //\r | |
210 | if (strlen (FileName) > MAX_LONG_FILE_PATH - 1) {\r | |
211 | Error(NULL, 0, 3000, "Invalid", "The file name for %s is too long.", FileName);\r | |
212 | return EFI_ABORTED;\r | |
213 | }\r | |
214 | strncpy(PeFileName, FileName, MAX_LONG_FILE_PATH - 1);\r | |
215 | PeFileName[MAX_LONG_FILE_PATH - 1] = 0;\r | |
216 | Cptr = PeFileName + strlen(PeFileName);\r | |
217 | while (*Cptr != '.') {\r | |
218 | Cptr--;\r | |
219 | }\r | |
220 | if (*Cptr != '.') {\r | |
221 | Error(NULL, 0, 3000, "Invalid", "The file %s has no .reloc section.", FileName);\r | |
222 | return EFI_ABORTED;\r | |
223 | }\r | |
224 | else {\r | |
225 | *(Cptr + 1) = 'e';\r | |
226 | *(Cptr + 2) = 'f';\r | |
227 | *(Cptr + 3) = 'i';\r | |
228 | *(Cptr + 4) = '\0';\r | |
229 | }\r | |
230 | LongFilePathName = LongFilePath(PeFileName);\r | |
231 | if (LongFilePathName == NULL) {\r | |
232 | Error(NULL, 0, 3000, "Invalid", "Fail to get long file path for file %s.", FileName);\r | |
233 | return EFI_ABORTED;\r | |
234 | }\r | |
235 | PeFile = fopen(LongFilePathName, "rb");\r | |
236 | if (PeFile == NULL) {\r | |
237 | Warning(NULL, 0, 0, "Invalid", "The file %s has no .reloc section.", FileName);\r | |
238 | //Error (NULL, 0, 3000, "Invalid", "The file %s has no .reloc section.", FileName);\r | |
239 | //return EFI_ABORTED;\r | |
240 | break;\r | |
241 | }\r | |
242 | //\r | |
243 | // Get the file size\r | |
244 | //\r | |
245 | PeFileSize = _filelength(fileno(PeFile));\r | |
246 | PeFileBuffer = (UINT8 *)malloc(PeFileSize);\r | |
247 | if (PeFileBuffer == NULL) {\r | |
248 | Error(NULL, 0, 4001, "Resource", "memory cannot be allocated on rebase of %s", FileName);\r | |
249 | fclose(PeFile);\r | |
250 | return EFI_OUT_OF_RESOURCES;\r | |
251 | }\r | |
252 | //\r | |
253 | // Read Pe File\r | |
254 | //\r | |
255 | fread(PeFileBuffer, sizeof (UINT8), PeFileSize, PeFile);\r | |
256 | //\r | |
257 | // close file\r | |
258 | //\r | |
259 | fclose(PeFile);\r | |
260 | //\r | |
261 | // Handle pointer to the original efi image.\r | |
262 | //\r | |
263 | ImageContext.Handle = PeFileBuffer;\r | |
264 | Status = PeCoffLoaderGetImageInfo(&ImageContext);\r | |
265 | if (EFI_ERROR(Status)) {\r | |
266 | Error(NULL, 0, 3000, "Invalid PeImage", "The input file is %s and the return status is %x", FileName, (int)Status);\r | |
267 | return Status;\r | |
268 | }\r | |
269 | ImageContext.RelocationsStripped = FALSE;\r | |
270 | }\r | |
271 | \r | |
272 | NewPe32BaseAddress = XipBase + (UINTN)CurrentPe32Section.Pe32Section + CurSecHdrSize - (UINTN)FfsFile;\r | |
273 | break;\r | |
274 | \r | |
275 | case EFI_FV_FILETYPE_DRIVER:\r | |
276 | case EFI_FV_FILETYPE_DXE_CORE:\r | |
277 | //\r | |
278 | // Check if section-alignment and file-alignment match or not\r | |
279 | //\r | |
280 | if ((ImgHdr->Pe32.OptionalHeader.SectionAlignment != ImgHdr->Pe32.OptionalHeader.FileAlignment)) {\r | |
281 | //\r | |
282 | // Xip module has the same section alignment and file alignment.\r | |
283 | //\r | |
284 | Error(NULL, 0, 3000, "Invalid", "Section-Alignment and File-Alignment do not match : %s.", FileName);\r | |
285 | return EFI_ABORTED;\r | |
286 | }\r | |
287 | NewPe32BaseAddress = XipBase + (UINTN)CurrentPe32Section.Pe32Section + CurSecHdrSize - (UINTN)FfsFile;\r | |
288 | break;\r | |
289 | \r | |
290 | default:\r | |
291 | //\r | |
292 | // Not supported file type\r | |
293 | //\r | |
294 | return EFI_SUCCESS;\r | |
295 | }\r | |
296 | \r | |
297 | //\r | |
298 | // Relocation doesn't exist\r | |
299 | //\r | |
300 | if (ImageContext.RelocationsStripped) {\r | |
301 | Warning(NULL, 0, 0, "Invalid", "The file %s has no .reloc section.", FileName);\r | |
302 | continue;\r | |
303 | }\r | |
304 | \r | |
305 | //\r | |
306 | // Relocation exist and rebase\r | |
307 | //\r | |
308 | //\r | |
309 | // Load and Relocate Image Data\r | |
310 | //\r | |
311 | MemoryImagePointer = (UINT8 *)malloc((UINTN)ImageContext.ImageSize + ImageContext.SectionAlignment);\r | |
312 | if (MemoryImagePointer == NULL) {\r | |
313 | Error(NULL, 0, 4001, "Resource", "memory cannot be allocated on rebase of %s", FileName);\r | |
314 | return EFI_OUT_OF_RESOURCES;\r | |
315 | }\r | |
316 | memset((VOID *)MemoryImagePointer, 0, (UINTN)ImageContext.ImageSize + ImageContext.SectionAlignment);\r | |
317 | ImageContext.ImageAddress = ((UINTN)MemoryImagePointer + ImageContext.SectionAlignment - 1) & (~((UINTN)ImageContext.SectionAlignment - 1));\r | |
318 | \r | |
319 | Status = PeCoffLoaderLoadImage(&ImageContext);\r | |
320 | if (EFI_ERROR(Status)) {\r | |
321 | Error(NULL, 0, 3000, "Invalid", "LocateImage() call failed on rebase of %s", FileName);\r | |
322 | free((VOID *)MemoryImagePointer);\r | |
323 | return Status;\r | |
324 | }\r | |
325 | \r | |
326 | ImageContext.DestinationAddress = NewPe32BaseAddress;\r | |
327 | Status = PeCoffLoaderRelocateImage(&ImageContext);\r | |
328 | if (EFI_ERROR(Status)) {\r | |
329 | Error(NULL, 0, 3000, "Invalid", "RelocateImage() call failed on rebase of %s", FileName);\r | |
330 | free((VOID *)MemoryImagePointer);\r | |
331 | return Status;\r | |
332 | }\r | |
333 | \r | |
334 | //\r | |
335 | // Copy Relocated data to raw image file.\r | |
336 | //\r | |
337 | SectionHeader = (EFI_IMAGE_SECTION_HEADER *)(\r | |
338 | (UINTN)ImgHdr +\r | |
339 | sizeof (UINT32)+\r | |
340 | sizeof (EFI_IMAGE_FILE_HEADER)+\r | |
341 | ImgHdr->Pe32.FileHeader.SizeOfOptionalHeader\r | |
342 | );\r | |
343 | \r | |
344 | for (Index = 0; Index < ImgHdr->Pe32.FileHeader.NumberOfSections; Index++, SectionHeader++) {\r | |
345 | CopyMem(\r | |
346 | (UINT8 *)CurrentPe32Section.Pe32Section + CurSecHdrSize + SectionHeader->PointerToRawData,\r | |
347 | (VOID*)(UINTN)(ImageContext.ImageAddress + SectionHeader->VirtualAddress),\r | |
348 | SectionHeader->SizeOfRawData\r | |
349 | );\r | |
350 | }\r | |
351 | \r | |
352 | free((VOID *)MemoryImagePointer);\r | |
353 | MemoryImagePointer = NULL;\r | |
354 | if (PeFileBuffer != NULL) {\r | |
355 | free(PeFileBuffer);\r | |
356 | PeFileBuffer = NULL;\r | |
357 | }\r | |
358 | \r | |
359 | //\r | |
360 | // Update Image Base Address\r | |
361 | //\r | |
362 | if (ImgHdr->Pe32.OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
363 | ImgHdr->Pe32.OptionalHeader.ImageBase = (UINT32)NewPe32BaseAddress;\r | |
364 | }\r | |
365 | else if (ImgHdr->Pe32Plus.OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC) {\r | |
366 | ImgHdr->Pe32Plus.OptionalHeader.ImageBase = NewPe32BaseAddress;\r | |
367 | }\r | |
368 | else {\r | |
369 | Error(NULL, 0, 3000, "Invalid", "unknown PE magic signature %X in PE32 image %s",\r | |
370 | ImgHdr->Pe32.OptionalHeader.Magic,\r | |
371 | FileName\r | |
372 | );\r | |
373 | return EFI_ABORTED;\r | |
374 | }\r | |
375 | \r | |
376 | //\r | |
377 | // Now update file checksum\r | |
378 | //\r | |
379 | if (FfsFile->Attributes & FFS_ATTRIB_CHECKSUM) {\r | |
380 | SavedState = FfsFile->State;\r | |
381 | FfsFile->IntegrityCheck.Checksum.File = 0;\r | |
382 | FfsFile->State = 0;\r | |
383 | FfsFile->IntegrityCheck.Checksum.File = CalculateChecksum8(\r | |
384 | (UINT8 *)((UINT8 *)FfsFile + FfsHeaderSize),\r | |
385 | GetFfsFileLength(FfsFile) - FfsHeaderSize\r | |
386 | );\r | |
387 | FfsFile->State = SavedState;\r | |
388 | }\r | |
389 | \r | |
390 | }\r | |
391 | \r | |
392 | if (FfsFile->Type != EFI_FV_FILETYPE_SECURITY_CORE &&\r | |
393 | FfsFile->Type != EFI_FV_FILETYPE_PEI_CORE &&\r | |
394 | FfsFile->Type != EFI_FV_FILETYPE_PEIM &&\r | |
395 | FfsFile->Type != EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER &&\r | |
396 | FfsFile->Type != EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE\r | |
397 | ) {\r | |
398 | //\r | |
399 | // Only Peim code may have a TE section\r | |
400 | //\r | |
401 | return EFI_SUCCESS;\r | |
402 | }\r | |
403 | \r | |
404 | //\r | |
405 | // Now process TE sections\r | |
406 | //\r | |
407 | for (Index = 1;; Index++) {\r | |
408 | NewPe32BaseAddress = 0;\r | |
409 | \r | |
410 | //\r | |
411 | // Find Te Image\r | |
412 | //\r | |
413 | Status = GetSectionByType(FfsFile, EFI_SECTION_TE, Index, &CurrentPe32Section);\r | |
414 | if (EFI_ERROR(Status)) {\r | |
415 | break;\r | |
416 | }\r | |
417 | \r | |
418 | CurSecHdrSize = GetSectionHeaderLength(CurrentPe32Section.CommonHeader);\r | |
419 | \r | |
420 | //\r | |
421 | // Calculate the TE base address, the FFS file base plus the offset of the TE section less the size stripped off\r | |
422 | // by GenTEImage\r | |
423 | //\r | |
424 | TEImageHeader = (EFI_TE_IMAGE_HEADER *)((UINT8 *)CurrentPe32Section.Pe32Section + CurSecHdrSize);\r | |
425 | \r | |
426 | //\r | |
427 | // Initialize context, load image info.\r | |
428 | //\r | |
429 | memset(&ImageContext, 0, sizeof (ImageContext));\r | |
430 | ImageContext.Handle = (VOID *)TEImageHeader;\r | |
431 | ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE)FfsRebaseImageRead;\r | |
432 | Status = PeCoffLoaderGetImageInfo(&ImageContext);\r | |
433 | if (EFI_ERROR(Status)) {\r | |
434 | Error(NULL, 0, 3000, "Invalid TeImage", "The input file is %s and the return status is %x", FileName, (int)Status);\r | |
435 | return Status;\r | |
436 | }\r | |
437 | \r | |
438 | //if ((ImageContext.Machine == EFI_IMAGE_MACHINE_ARMT) ||\r | |
439 | // (ImageContext.Machine == EFI_IMAGE_MACHINE_AARCH64)) {\r | |
440 | // mArm = TRUE;\r | |
441 | //}\r | |
442 | \r | |
443 | //\r | |
444 | // Keep Image Context for TE image in FV\r | |
445 | //\r | |
446 | memcpy(&OrigImageContext, &ImageContext, sizeof (ImageContext));\r | |
447 | \r | |
448 | //\r | |
449 | // Get File PdbPointer\r | |
450 | //\r | |
451 | PdbPointer = PeCoffLoaderGetPdbPointer(ImageContext.Handle);\r | |
452 | if (PdbPointer == NULL) {\r | |
453 | PdbPointer = FileName;\r | |
454 | }\r | |
455 | //\r | |
456 | // Set new rebased address.\r | |
457 | //\r | |
458 | NewPe32BaseAddress = XipBase + (UINTN)TEImageHeader + sizeof (EFI_TE_IMAGE_HEADER) \\r | |
459 | - TEImageHeader->StrippedSize - (UINTN)FfsFile;\r | |
460 | \r | |
461 | //\r | |
462 | // if reloc is stripped, try to get the original efi image to get reloc info.\r | |
463 | //\r | |
464 | if (ImageContext.RelocationsStripped) {\r | |
465 | //\r | |
466 | // Construct the original efi file name\r | |
467 | //\r | |
468 | if (strlen (FileName) > MAX_LONG_FILE_PATH - 1) {\r | |
469 | Error(NULL, 0, 3000, "Invalid", "The file name for %s is too long.", FileName);\r | |
470 | return EFI_ABORTED;\r | |
471 | }\r | |
472 | strncpy(PeFileName, FileName, MAX_LONG_FILE_PATH - 1);\r | |
473 | PeFileName[MAX_LONG_FILE_PATH - 1] = 0;\r | |
474 | Cptr = PeFileName + strlen(PeFileName);\r | |
475 | while (*Cptr != '.') {\r | |
476 | Cptr--;\r | |
477 | }\r | |
478 | \r | |
479 | if (*Cptr != '.') {\r | |
480 | Error(NULL, 0, 3000, "Invalid", "The file %s has no .reloc section.", FileName);\r | |
481 | return EFI_ABORTED;\r | |
482 | }\r | |
483 | else {\r | |
484 | *(Cptr + 1) = 'e';\r | |
485 | *(Cptr + 2) = 'f';\r | |
486 | *(Cptr + 3) = 'i';\r | |
487 | *(Cptr + 4) = '\0';\r | |
488 | }\r | |
489 | \r | |
490 | LongFilePathName = LongFilePath(PeFileName);\r | |
491 | if (LongFilePathName == NULL) {\r | |
492 | Error(NULL, 0, 3000, "Invalid", "Fail to get long file path for file %s.", FileName);\r | |
493 | return EFI_ABORTED;\r | |
494 | }\r | |
495 | PeFile = fopen(LongFilePathName, "rb");\r | |
496 | if (PeFile == NULL) {\r | |
497 | Warning(NULL, 0, 0, "Invalid", "The file %s has no .reloc section.", FileName);\r | |
498 | //Error (NULL, 0, 3000, "Invalid", "The file %s has no .reloc section.", FileName);\r | |
499 | //return EFI_ABORTED;\r | |
500 | }\r | |
501 | else {\r | |
502 | //\r | |
503 | // Get the file size\r | |
504 | //\r | |
505 | PeFileSize = _filelength(fileno(PeFile));\r | |
506 | PeFileBuffer = (UINT8 *)malloc(PeFileSize);\r | |
507 | if (PeFileBuffer == NULL) {\r | |
508 | Error(NULL, 0, 4001, "Resource", "memory cannot be allocated on rebase of %s", FileName);\r | |
509 | fclose(PeFile);\r | |
510 | return EFI_OUT_OF_RESOURCES;\r | |
511 | }\r | |
512 | //\r | |
513 | // Read Pe File\r | |
514 | //\r | |
515 | fread(PeFileBuffer, sizeof (UINT8), PeFileSize, PeFile);\r | |
516 | //\r | |
517 | // close file\r | |
518 | //\r | |
519 | fclose(PeFile);\r | |
520 | //\r | |
521 | // Append reloc section into TeImage\r | |
522 | //\r | |
523 | ImageContext.Handle = PeFileBuffer;\r | |
524 | Status = PeCoffLoaderGetImageInfo(&ImageContext);\r | |
525 | if (EFI_ERROR(Status)) {\r | |
526 | Error(NULL, 0, 3000, "Invalid TeImage", "The input file is %s and the return status is %x", FileName, (int)Status);\r | |
527 | return Status;\r | |
528 | }\r | |
529 | ImageContext.RelocationsStripped = FALSE;\r | |
530 | }\r | |
531 | }\r | |
532 | //\r | |
533 | // Relocation doesn't exist\r | |
534 | //\r | |
535 | if (ImageContext.RelocationsStripped) {\r | |
536 | Warning(NULL, 0, 0, "Invalid", "The file %s has no .reloc section.", FileName);\r | |
537 | continue;\r | |
538 | }\r | |
539 | \r | |
540 | //\r | |
541 | // Relocation exist and rebase\r | |
542 | //\r | |
543 | //\r | |
544 | // Load and Relocate Image Data\r | |
545 | //\r | |
546 | MemoryImagePointer = (UINT8 *)malloc((UINTN)ImageContext.ImageSize + ImageContext.SectionAlignment);\r | |
547 | if (MemoryImagePointer == NULL) {\r | |
548 | Error(NULL, 0, 4001, "Resource", "memory cannot be allocated on rebase of %s", FileName);\r | |
549 | return EFI_OUT_OF_RESOURCES;\r | |
550 | }\r | |
551 | memset((VOID *)MemoryImagePointer, 0, (UINTN)ImageContext.ImageSize + ImageContext.SectionAlignment);\r | |
552 | ImageContext.ImageAddress = ((UINTN)MemoryImagePointer + ImageContext.SectionAlignment - 1) & (~((UINTN)ImageContext.SectionAlignment - 1));\r | |
553 | \r | |
554 | Status = PeCoffLoaderLoadImage(&ImageContext);\r | |
555 | if (EFI_ERROR(Status)) {\r | |
556 | Error(NULL, 0, 3000, "Invalid", "LocateImage() call failed on rebase of %s", FileName);\r | |
557 | free((VOID *)MemoryImagePointer);\r | |
558 | return Status;\r | |
559 | }\r | |
560 | //\r | |
561 | // Reloacate TeImage\r | |
562 | //\r | |
563 | ImageContext.DestinationAddress = NewPe32BaseAddress;\r | |
564 | Status = PeCoffLoaderRelocateImage(&ImageContext);\r | |
565 | if (EFI_ERROR(Status)) {\r | |
566 | Error(NULL, 0, 3000, "Invalid", "RelocateImage() call failed on rebase of TE image %s", FileName);\r | |
567 | free((VOID *)MemoryImagePointer);\r | |
568 | return Status;\r | |
569 | }\r | |
570 | \r | |
571 | //\r | |
572 | // Copy the relocated image into raw image file.\r | |
573 | //\r | |
574 | SectionHeader = (EFI_IMAGE_SECTION_HEADER *)(TEImageHeader + 1);\r | |
575 | for (Index = 0; Index < TEImageHeader->NumberOfSections; Index++, SectionHeader++) {\r | |
576 | if (!ImageContext.IsTeImage) {\r | |
577 | CopyMem(\r | |
578 | (UINT8 *)TEImageHeader + sizeof (EFI_TE_IMAGE_HEADER)-TEImageHeader->StrippedSize + SectionHeader->PointerToRawData,\r | |
579 | (VOID*)(UINTN)(ImageContext.ImageAddress + SectionHeader->VirtualAddress),\r | |
580 | SectionHeader->SizeOfRawData\r | |
581 | );\r | |
582 | }\r | |
583 | else {\r | |
584 | CopyMem(\r | |
585 | (UINT8 *)TEImageHeader + sizeof (EFI_TE_IMAGE_HEADER)-TEImageHeader->StrippedSize + SectionHeader->PointerToRawData,\r | |
586 | (VOID*)(UINTN)(ImageContext.ImageAddress + sizeof (EFI_TE_IMAGE_HEADER)-TEImageHeader->StrippedSize + SectionHeader->VirtualAddress),\r | |
587 | SectionHeader->SizeOfRawData\r | |
588 | );\r | |
589 | }\r | |
590 | }\r | |
591 | \r | |
592 | //\r | |
593 | // Free the allocated memory resource\r | |
594 | //\r | |
595 | free((VOID *)MemoryImagePointer);\r | |
596 | MemoryImagePointer = NULL;\r | |
597 | if (PeFileBuffer != NULL) {\r | |
598 | free(PeFileBuffer);\r | |
599 | PeFileBuffer = NULL;\r | |
600 | }\r | |
601 | \r | |
602 | //\r | |
603 | // Update Image Base Address\r | |
604 | //\r | |
605 | TEImageHeader->ImageBase = NewPe32BaseAddress;\r | |
606 | \r | |
607 | //\r | |
608 | // Now update file checksum\r | |
609 | //\r | |
610 | if (FfsFile->Attributes & FFS_ATTRIB_CHECKSUM) {\r | |
611 | SavedState = FfsFile->State;\r | |
612 | FfsFile->IntegrityCheck.Checksum.File = 0;\r | |
613 | FfsFile->State = 0;\r | |
614 | FfsFile->IntegrityCheck.Checksum.File = CalculateChecksum8(\r | |
615 | (UINT8 *)((UINT8 *)FfsFile + FfsHeaderSize),\r | |
616 | GetFfsFileLength(FfsFile) - FfsHeaderSize\r | |
617 | );\r | |
618 | FfsFile->State = SavedState;\r | |
619 | }\r | |
620 | }\r | |
621 | \r | |
622 | return EFI_SUCCESS;\r | |
623 | }\r | |
624 | \r | |
625 | EFI_STATUS\r | |
626 | FfsRebaseImageRead(\r | |
627 | IN VOID *FileHandle,\r | |
628 | IN UINTN FileOffset,\r | |
629 | IN OUT UINT32 *ReadSize,\r | |
630 | OUT VOID *Buffer\r | |
631 | )\r | |
632 | /*++\r | |
633 | \r | |
634 | Routine Description:\r | |
635 | \r | |
636 | Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file\r | |
637 | \r | |
638 | Arguments:\r | |
639 | \r | |
640 | FileHandle - The handle to the PE/COFF file\r | |
641 | \r | |
642 | FileOffset - The offset, in bytes, into the file to read\r | |
643 | \r | |
644 | ReadSize - The number of bytes to read from the file starting at FileOffset\r | |
645 | \r | |
646 | Buffer - A pointer to the buffer to read the data into.\r | |
647 | \r | |
648 | Returns:\r | |
649 | \r | |
650 | EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset\r | |
651 | \r | |
652 | --*/\r | |
653 | {\r | |
654 | CHAR8 *Destination8;\r | |
655 | CHAR8 *Source8;\r | |
656 | UINT32 Length;\r | |
657 | \r | |
658 | Destination8 = Buffer;\r | |
659 | Source8 = (CHAR8 *)((UINTN)FileHandle + FileOffset);\r | |
660 | Length = *ReadSize;\r | |
661 | while (Length--) {\r | |
662 | *(Destination8++) = *(Source8++);\r | |
663 | }\r | |
664 | \r | |
665 | return EFI_SUCCESS;\r | |
666 | }\r | |
667 | \r | |
668 | EFI_STATUS\r | |
669 | GetChildFvFromFfs (\r | |
670 | IN UINT64 BaseAddress,\r | |
671 | IN EFI_FFS_FILE_HEADER *FfsFile,\r | |
672 | IN UINTN XipOffset\r | |
673 | )\r | |
674 | /*++\r | |
675 | \r | |
676 | Routine Description:\r | |
677 | \r | |
678 | This function gets all child FvImages in the input FfsFile, and records\r | |
679 | their base address to the parent image.\r | |
680 | \r | |
681 | Arguments:\r | |
682 | FvInfo A pointer to FV_INFO struture.\r | |
683 | FfsFile A pointer to Ffs file image that may contain FvImage.\r | |
684 | XipOffset The offset address to the parent FvImage base.\r | |
685 | \r | |
686 | Returns:\r | |
687 | \r | |
688 | EFI_SUCCESS Base address of child Fv image is recorded.\r | |
689 | --*/\r | |
690 | {\r | |
691 | EFI_STATUS Status;\r | |
692 | UINTN Index;\r | |
693 | EFI_FILE_SECTION_POINTER SubFvSection;\r | |
694 | EFI_FIRMWARE_VOLUME_HEADER *SubFvImageHeader;\r | |
695 | EFI_PHYSICAL_ADDRESS SubFvBaseAddress;\r | |
696 | EFI_FIRMWARE_VOLUME_HEADER *OrigFvHeader;\r | |
697 | UINT32 OrigFvLength;\r | |
698 | EFI_PHYSICAL_ADDRESS OrigFvBaseAddress;\r | |
699 | EFI_FFS_FILE_HEADER *CurrentFile;\r | |
700 | \r | |
701 | //\r | |
702 | // Initialize FV library, saving previous values\r | |
703 | //\r | |
704 | OrigFvHeader = NULL;\r | |
705 | GetFvHeader (&OrigFvHeader, &OrigFvLength);\r | |
706 | OrigFvBaseAddress = BaseAddress;\r | |
707 | for (Index = 1;; Index++) {\r | |
708 | //\r | |
709 | // Find FV section\r | |
710 | //\r | |
711 | Status = GetSectionByType (FfsFile, EFI_SECTION_FIRMWARE_VOLUME_IMAGE, Index, &SubFvSection);\r | |
712 | if (EFI_ERROR (Status)) {\r | |
713 | break;\r | |
714 | }\r | |
715 | SubFvImageHeader = (EFI_FIRMWARE_VOLUME_HEADER *) ((UINT8 *) SubFvSection.FVImageSection + GetSectionHeaderLength(SubFvSection.FVImageSection));\r | |
716 | \r | |
717 | //\r | |
718 | // Rebase on Flash\r | |
719 | //\r | |
720 | SubFvBaseAddress = OrigFvBaseAddress + (UINTN) SubFvImageHeader - (UINTN) FfsFile + XipOffset;\r | |
721 | //mFvBaseAddress[mFvBaseAddressNumber ++ ] = SubFvBaseAddress;\r | |
722 | BaseAddress = SubFvBaseAddress;\r | |
723 | InitializeFvLib(SubFvImageHeader, (UINT32) SubFvImageHeader->FvLength);\r | |
724 | \r | |
725 | Status = GetNextFile (NULL, &CurrentFile);\r | |
726 | if (EFI_ERROR (Status)) {\r | |
727 | Error (NULL, 0, 0003, "error parsing FV image", "FFS file can't be found");\r | |
728 | continue;\r | |
729 | }\r | |
730 | while (CurrentFile) {\r | |
731 | RebaseFfs (BaseAddress, "", CurrentFile, (UINTN) CurrentFile - (UINTN) SubFvImageHeader);\r | |
732 | Status = GetNextFile (CurrentFile, &CurrentFile);\r | |
733 | if (EFI_ERROR (Status)) {\r | |
734 | break;\r | |
735 | }\r | |
736 | }\r | |
737 | }\r | |
738 | \r | |
739 | BaseAddress = OrigFvBaseAddress;\r | |
740 | if (OrigFvHeader != NULL) {\r | |
741 | InitializeFvLib(OrigFvHeader, OrigFvLength);\r | |
742 | }\r | |
743 | \r | |
744 | return EFI_SUCCESS;\r | |
745 | }\r | |
746 | \r | |
747 | EFI_STATUS\r | |
748 | GetPe32Info (\r | |
749 | IN UINT8 *Pe32,\r | |
750 | OUT UINT32 *EntryPoint,\r | |
751 | OUT UINT32 *BaseOfCode,\r | |
752 | OUT UINT16 *MachineType\r | |
753 | )\r | |
754 | /*++\r | |
755 | \r | |
756 | Routine Description:\r | |
757 | \r | |
758 | Retrieves the PE32 entry point offset and machine type from PE image or TeImage.\r | |
759 | See EfiImage.h for machine types. The entry point offset is from the beginning\r | |
760 | of the PE32 buffer passed in.\r | |
761 | \r | |
762 | Arguments:\r | |
763 | \r | |
764 | Pe32 Beginning of the PE32.\r | |
765 | EntryPoint Offset from the beginning of the PE32 to the image entry point.\r | |
766 | BaseOfCode Base address of code.\r | |
767 | MachineType Magic number for the machine type.\r | |
768 | \r | |
769 | Returns:\r | |
770 | \r | |
771 | EFI_SUCCESS Function completed successfully.\r | |
772 | EFI_ABORTED Error encountered.\r | |
773 | EFI_INVALID_PARAMETER A required parameter was NULL.\r | |
774 | EFI_UNSUPPORTED The operation is unsupported.\r | |
775 | \r | |
776 | --*/\r | |
777 | {\r | |
778 | EFI_IMAGE_DOS_HEADER *DosHeader;\r | |
779 | EFI_IMAGE_OPTIONAL_HEADER_UNION *ImgHdr;\r | |
780 | EFI_TE_IMAGE_HEADER *TeHeader;\r | |
781 | \r | |
782 | //\r | |
783 | // Verify input parameters\r | |
784 | //\r | |
785 | if (Pe32 == NULL) {\r | |
786 | return EFI_INVALID_PARAMETER;\r | |
787 | }\r | |
788 | \r | |
789 | //\r | |
790 | // First check whether it is one TE Image.\r | |
791 | //\r | |
792 | TeHeader = (EFI_TE_IMAGE_HEADER *) Pe32;\r | |
793 | if (TeHeader->Signature == EFI_TE_IMAGE_HEADER_SIGNATURE) {\r | |
794 | //\r | |
795 | // By TeImage Header to get output\r | |
796 | //\r | |
797 | *EntryPoint = TeHeader->AddressOfEntryPoint + sizeof (EFI_TE_IMAGE_HEADER) - TeHeader->StrippedSize;\r | |
798 | *BaseOfCode = TeHeader->BaseOfCode + sizeof (EFI_TE_IMAGE_HEADER) - TeHeader->StrippedSize;\r | |
799 | *MachineType = TeHeader->Machine;\r | |
800 | } else {\r | |
801 | \r | |
802 | //\r | |
803 | // Then check whether\r | |
804 | // First is the DOS header\r | |
805 | //\r | |
806 | DosHeader = (EFI_IMAGE_DOS_HEADER *) Pe32;\r | |
807 | \r | |
808 | //\r | |
809 | // Verify DOS header is expected\r | |
810 | //\r | |
811 | if (DosHeader->e_magic != EFI_IMAGE_DOS_SIGNATURE) {\r | |
812 | Error (NULL, 0, 3000, "Invalid", "Unknown magic number in the DOS header, 0x%04X.", DosHeader->e_magic);\r | |
813 | return EFI_UNSUPPORTED;\r | |
814 | }\r | |
815 | //\r | |
816 | // Immediately following is the NT header.\r | |
817 | //\r | |
818 | ImgHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *) ((UINTN) Pe32 + DosHeader->e_lfanew);\r | |
819 | \r | |
820 | //\r | |
821 | // Verify NT header is expected\r | |
822 | //\r | |
823 | if (ImgHdr->Pe32.Signature != EFI_IMAGE_NT_SIGNATURE) {\r | |
824 | Error (NULL, 0, 3000, "Invalid", "Unrecognized image signature 0x%08X.", (unsigned) ImgHdr->Pe32.Signature);\r | |
825 | return EFI_UNSUPPORTED;\r | |
826 | }\r | |
827 | //\r | |
828 | // Get output\r | |
829 | //\r | |
830 | *EntryPoint = ImgHdr->Pe32.OptionalHeader.AddressOfEntryPoint;\r | |
831 | *BaseOfCode = ImgHdr->Pe32.OptionalHeader.BaseOfCode;\r | |
832 | *MachineType = ImgHdr->Pe32.FileHeader.Machine;\r | |
833 | }\r | |
834 | \r | |
835 | //\r | |
836 | // Verify machine type is supported\r | |
837 | //\r | |
838 | if ((*MachineType != EFI_IMAGE_MACHINE_IA32) && (*MachineType != EFI_IMAGE_MACHINE_X64) && (*MachineType != EFI_IMAGE_MACHINE_EBC) &&\r | |
839 | (*MachineType != EFI_IMAGE_MACHINE_ARMT) && (*MachineType != EFI_IMAGE_MACHINE_AARCH64)) {\r | |
840 | Error (NULL, 0, 3000, "Invalid", "Unrecognized machine type in the PE32 file.");\r | |
841 | return EFI_UNSUPPORTED;\r | |
842 | }\r | |
843 | \r | |
844 | return EFI_SUCCESS;\r | |
845 | }\r | |
846 | \r |