]>
Commit | Line | Data |
---|---|---|
95276127 | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2006, Intel Corporation\r | |
4 | All rights reserved. This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | DxeLoad.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Last PEIM.\r | |
19 | Responsibility of this module is to load the DXE Core from a Firmware Volume.\r | |
20 | \r | |
21 | --*/\r | |
22 | \r | |
95276127 | 23 | #include "DxeIpl.h"\r |
d8c79a81 | 24 | #include <Ppi/GuidedSectionExtraction.h>\r |
95276127 | 25 | \r |
26 | // porting note remove later\r | |
95276127 | 27 | #include "FrameworkPei.h"\r |
28 | // end of remove later\r | |
29 | \r | |
d8c79a81 LG |
30 | EFI_STATUS\r |
31 | CustomDecompressExtractSection (\r | |
32 | IN CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *This,\r | |
33 | IN CONST VOID *InputSection,\r | |
34 | OUT VOID **OutputBuffer,\r | |
35 | OUT UINTN *OutputSize,\r | |
36 | OUT UINT32 *AuthenticationStatus\r | |
37 | );\r | |
38 | \r | |
95276127 | 39 | BOOLEAN gInMemory = FALSE;\r |
40 | \r | |
41 | //\r | |
42 | // Module Globals used in the DXE to PEI handoff\r | |
43 | // These must be module globals, so the stack can be switched\r | |
44 | //\r | |
45 | static EFI_DXE_IPL_PPI mDxeIplPpi = {\r | |
46 | DxeLoadCore\r | |
47 | };\r | |
48 | \r | |
49 | static EFI_PEI_FV_FILE_LOADER_PPI mLoadFilePpi = {\r | |
50 | DxeIplLoadFile\r | |
51 | };\r | |
52 | \r | |
d8c79a81 LG |
53 | static EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI mCustomDecompressExtractiongPpi = {\r |
54 | CustomDecompressExtractSection\r | |
55 | };\r | |
56 | \r | |
95276127 | 57 | static EFI_PEI_PPI_DESCRIPTOR mPpiList[] = {\r |
58 | {\r | |
59 | EFI_PEI_PPI_DESCRIPTOR_PPI,\r | |
60 | &gEfiPeiFvFileLoaderPpiGuid,\r | |
61 | &mLoadFilePpi\r | |
62 | },\r | |
63 | {\r | |
64 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
65 | &gEfiDxeIplPpiGuid,\r | |
66 | &mDxeIplPpi\r | |
67 | }\r | |
68 | };\r | |
69 | \r | |
70 | static EFI_PEI_PPI_DESCRIPTOR mPpiSignal = {\r | |
71 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
72 | &gEfiEndOfPeiSignalPpiGuid,\r | |
73 | NULL\r | |
74 | };\r | |
75 | \r | |
95276127 | 76 | EFI_STATUS\r |
77 | EFIAPI\r | |
78 | PeimInitializeDxeIpl (\r | |
79 | IN EFI_FFS_FILE_HEADER *FfsHeader,\r | |
80 | IN EFI_PEI_SERVICES **PeiServices\r | |
81 | )\r | |
82 | /*++\r | |
83 | \r | |
84 | Routine Description:\r | |
85 | \r | |
86 | Initializes the Dxe Ipl PPI\r | |
87 | \r | |
88 | Arguments:\r | |
89 | \r | |
90 | FfsHeader - Pointer to FFS file header\r | |
91 | PeiServices - General purpose services available to every PEIM.\r | |
92 | \r | |
93 | Returns:\r | |
94 | \r | |
95 | EFI_SUCCESS\r | |
96 | \r | |
97 | --*/\r | |
98 | {\r | |
99 | EFI_STATUS Status;\r | |
100 | EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader;\r | |
101 | EFI_BOOT_MODE BootMode;\r | |
d8c79a81 LG |
102 | EFI_GUID **DecompressGuidList;\r |
103 | UINT32 DecompressMethodNumber;\r | |
104 | EFI_PEI_PPI_DESCRIPTOR *GuidPpi;\r | |
105 | \r | |
95276127 | 106 | Status = PeiServicesGetBootMode (&BootMode);\r |
107 | ASSERT_EFI_ERROR (Status);\r | |
108 | \r | |
109 | if (!gInMemory && (BootMode != BOOT_ON_S3_RESUME)) { \r | |
110 | //\r | |
111 | // The DxeIpl has not yet been shadowed\r | |
112 | //\r | |
113 | PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol ();\r | |
114 | \r | |
115 | //\r | |
116 | // Shadow DxeIpl and then re-run its entry point\r | |
117 | //\r | |
118 | Status = ShadowDxeIpl (FfsHeader, PeiEfiPeiPeCoffLoader);\r | |
119 | } else {\r | |
d8c79a81 LG |
120 | //\r |
121 | // Get custom decompress method guid list \r | |
122 | //\r | |
123 | DecompressGuidList = NULL;\r | |
124 | DecompressMethodNumber = 0;\r | |
125 | Status = CustomDecompressGetAlgorithms (DecompressGuidList, &DecompressMethodNumber);\r | |
126 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
127 | DecompressGuidList = (EFI_GUID **) AllocatePages (EFI_SIZE_TO_PAGES (DecompressMethodNumber * sizeof (EFI_GUID *)));\r | |
128 | ASSERT (DecompressGuidList != NULL);\r | |
129 | Status = CustomDecompressGetAlgorithms (DecompressGuidList, &DecompressMethodNumber);\r | |
130 | }\r | |
131 | ASSERT_EFI_ERROR(Status);\r | |
132 | \r | |
133 | //\r | |
134 | // Install custom decompress extraction guid ppi\r | |
135 | //\r | |
136 | if (DecompressMethodNumber > 0) {\r | |
137 | GuidPpi = NULL;\r | |
138 | GuidPpi = (EFI_PEI_PPI_DESCRIPTOR *) AllocatePages (EFI_SIZE_TO_PAGES (DecompressMethodNumber * sizeof (EFI_PEI_PPI_DESCRIPTOR)));\r | |
139 | ASSERT (GuidPpi != NULL);\r | |
140 | while (DecompressMethodNumber-- > 0) {\r | |
141 | GuidPpi->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;\r | |
142 | GuidPpi->Ppi = &mCustomDecompressExtractiongPpi;\r | |
143 | GuidPpi->Guid = DecompressGuidList [DecompressMethodNumber];\r | |
144 | Status = PeiServicesInstallPpi (GuidPpi++);\r | |
145 | ASSERT_EFI_ERROR(Status);\r | |
146 | }\r | |
147 | }\r | |
148 | \r | |
95276127 | 149 | //\r |
150 | // Install FvFileLoader and DxeIpl PPIs.\r | |
151 | //\r | |
152 | Status = PeiServicesInstallPpi (mPpiList);\r | |
153 | ASSERT_EFI_ERROR(Status);\r | |
154 | }\r | |
155 | \r | |
156 | return Status;\r | |
157 | }\r | |
158 | \r | |
159 | EFI_STATUS\r | |
160 | EFIAPI\r | |
161 | DxeLoadCore (\r | |
162 | IN EFI_DXE_IPL_PPI *This,\r | |
163 | IN EFI_PEI_SERVICES **PeiServices,\r | |
164 | IN EFI_PEI_HOB_POINTERS HobList\r | |
165 | )\r | |
166 | /*++\r | |
167 | \r | |
168 | Routine Description:\r | |
169 | \r | |
170 | Main entry point to last PEIM\r | |
171 | \r | |
172 | Arguments:\r | |
173 | This - Entry point for DXE IPL PPI\r | |
174 | PeiServices - General purpose services available to every PEIM.\r | |
175 | HobList - Address to the Pei HOB list\r | |
176 | \r | |
177 | Returns:\r | |
178 | \r | |
179 | EFI_SUCCESS - DEX core was successfully loaded.\r | |
180 | EFI_OUT_OF_RESOURCES - There are not enough resources to load DXE core.\r | |
181 | \r | |
182 | --*/\r | |
183 | {\r | |
184 | EFI_STATUS Status;\r | |
185 | EFI_GUID DxeCoreFileName;\r | |
186 | EFI_GUID FirmwareFileName;\r | |
187 | VOID *Pe32Data;\r | |
188 | VOID *FvImageData; \r | |
189 | EFI_PHYSICAL_ADDRESS DxeCoreAddress;\r | |
190 | UINT64 DxeCoreSize;\r | |
191 | EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint;\r | |
192 | EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader;\r | |
193 | EFI_BOOT_MODE BootMode;\r | |
194 | EFI_PEI_RECOVERY_MODULE_PPI *PeiRecovery;\r | |
195 | EFI_PEI_S3_RESUME_PPI *S3Resume;\r | |
196 | \r | |
197 | // PERF_START (PeiServices, L"DxeIpl", NULL, 0);\r | |
198 | \r | |
199 | //\r | |
200 | // if in S3 Resume, restore configure\r | |
201 | //\r | |
202 | Status = PeiServicesGetBootMode (&BootMode);\r | |
203 | ASSERT_EFI_ERROR(Status);\r | |
204 | \r | |
205 | if (BootMode == BOOT_ON_S3_RESUME) {\r | |
206 | Status = PeiServicesLocatePpi (\r | |
207 | &gEfiPeiS3ResumePpiGuid,\r | |
208 | 0,\r | |
209 | NULL,\r | |
210 | (VOID **)&S3Resume\r | |
211 | );\r | |
212 | ASSERT_EFI_ERROR (Status);\r | |
213 | \r | |
214 | Status = S3Resume->S3RestoreConfig (PeiServices);\r | |
215 | ASSERT_EFI_ERROR (Status);\r | |
216 | } else if (BootMode == BOOT_IN_RECOVERY_MODE) {\r | |
217 | \r | |
218 | Status = PeiServicesLocatePpi (\r | |
219 | &gEfiPeiRecoveryModulePpiGuid,\r | |
220 | 0,\r | |
221 | NULL,\r | |
222 | (VOID **)&PeiRecovery\r | |
223 | );\r | |
224 | ASSERT_EFI_ERROR (Status);\r | |
225 | \r | |
226 | Status = PeiRecovery->LoadRecoveryCapsule (PeiServices, PeiRecovery);\r | |
227 | if (EFI_ERROR (Status)) {\r | |
228 | DEBUG ((EFI_D_ERROR, "Load Recovery Capsule Failed.(Status = %r)\n", Status));\r | |
229 | CpuDeadLoop ();\r | |
230 | }\r | |
231 | \r | |
232 | //\r | |
233 | // Now should have a HOB with the DXE core w/ the old HOB destroyed\r | |
234 | //\r | |
235 | }\r | |
236 | \r | |
237 | //\r | |
238 | // Install the PEI Protocols that are shared between PEI and DXE\r | |
239 | //\r | |
240 | PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol ();\r | |
241 | ASSERT (PeiEfiPeiPeCoffLoader != NULL);\r | |
242 | \r | |
95276127 | 243 | //\r |
244 | // Find the EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE type compressed Firmware Volume file\r | |
245 | // The file found will be processed by PeiProcessFile: It will first be decompressed to\r | |
246 | // a normal FV, then a corresponding FV type hob will be built. \r | |
247 | //\r | |
248 | Status = PeiFindFile (\r | |
249 | EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE,\r | |
250 | EFI_SECTION_FIRMWARE_VOLUME_IMAGE,\r | |
251 | &FirmwareFileName,\r | |
252 | &FvImageData\r | |
253 | );\r | |
254 | \r | |
255 | //\r | |
256 | // Find the DXE Core in a Firmware Volume\r | |
257 | //\r | |
258 | Status = PeiFindFile (\r | |
259 | EFI_FV_FILETYPE_DXE_CORE,\r | |
260 | EFI_SECTION_PE32,\r | |
261 | &DxeCoreFileName,\r | |
262 | &Pe32Data\r | |
263 | );\r | |
264 | ASSERT_EFI_ERROR (Status);\r | |
265 | \r | |
266 | //\r | |
267 | // Load the DXE Core from a Firmware Volume\r | |
268 | //\r | |
269 | Status = PeiLoadFile (\r | |
270 | PeiEfiPeiPeCoffLoader,\r | |
271 | Pe32Data,\r | |
272 | &DxeCoreAddress,\r | |
273 | &DxeCoreSize,\r | |
274 | &DxeCoreEntryPoint\r | |
275 | );\r | |
276 | ASSERT_EFI_ERROR (Status);\r | |
277 | \r | |
278 | //\r | |
279 | // Add HOB for the DXE Core\r | |
280 | //\r | |
281 | BuildModuleHob (\r | |
282 | &DxeCoreFileName,\r | |
283 | DxeCoreAddress,\r | |
284 | DxeCoreSize,\r | |
285 | DxeCoreEntryPoint\r | |
286 | );\r | |
287 | \r | |
288 | //\r | |
d8c79a81 LG |
289 | // Add HOB for the PE/COFF Loader Protocol\r |
290 | //\r | |
291 | BuildGuidDataHob (\r | |
292 | &gEfiPeiPeCoffLoaderGuid,\r | |
293 | (VOID *)&PeiEfiPeiPeCoffLoader,\r | |
294 | sizeof (VOID *)\r | |
295 | );\r | |
296 | //\r | |
95276127 | 297 | // Report Status Code EFI_SW_PEI_PC_HANDOFF_TO_NEXT\r |
298 | //\r | |
299 | REPORT_STATUS_CODE (\r | |
300 | EFI_PROGRESS_CODE,\r | |
301 | EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_CORE_PC_HANDOFF_TO_NEXT\r | |
302 | );\r | |
303 | \r | |
95276127 | 304 | //\r |
305 | // Transfer control to the DXE Core\r | |
306 | // The handoff state is simply a pointer to the HOB list\r | |
307 | //\r | |
308 | \r | |
309 | DEBUG ((EFI_D_INFO, "DXE Core Entry Point 0x%08x\n", (UINTN) DxeCoreEntryPoint));\r | |
310 | HandOffToDxeCore (DxeCoreEntryPoint, HobList, &mPpiSignal);\r | |
311 | //\r | |
312 | // If we get here, then the DXE Core returned. This is an error\r | |
313 | // Dxe Core should not return.\r | |
314 | //\r | |
315 | ASSERT (FALSE);\r | |
316 | CpuDeadLoop ();\r | |
317 | \r | |
318 | return EFI_OUT_OF_RESOURCES;\r | |
319 | }\r | |
320 | \r | |
321 | EFI_STATUS\r | |
322 | PeiFindFile (\r | |
323 | IN UINT8 Type,\r | |
d8c79a81 | 324 | IN EFI_SECTION_TYPE SectionType,\r |
95276127 | 325 | OUT EFI_GUID *FileName,\r |
326 | OUT VOID **Pe32Data\r | |
327 | )\r | |
328 | /*++\r | |
329 | \r | |
330 | Routine Description:\r | |
331 | \r | |
332 | Finds a PE/COFF of a specific Type and SectionType in the Firmware Volumes\r | |
333 | described in the HOB list. Able to search in a compression set in a FFS file.\r | |
334 | But only one level of compression is supported, that is, not able to search\r | |
335 | in a compression set that is within another compression set.\r | |
336 | \r | |
337 | Arguments:\r | |
338 | \r | |
339 | Type - The Type of file to retrieve\r | |
340 | \r | |
341 | SectionType - The type of section to retrieve from a file\r | |
342 | \r | |
343 | FileName - The name of the file found in the Firmware Volume\r | |
344 | \r | |
345 | Pe32Data - Pointer to the beginning of the PE/COFF file found in the Firmware Volume\r | |
346 | \r | |
347 | Returns:\r | |
348 | \r | |
349 | EFI_SUCCESS - The file was found, and the name is returned in FileName, and a pointer to\r | |
350 | the PE/COFF image is returned in Pe32Data\r | |
351 | \r | |
352 | EFI_NOT_FOUND - The file was not found in the Firmware Volumes present in the HOB List\r | |
353 | \r | |
354 | --*/\r | |
355 | {\r | |
356 | EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;\r | |
357 | EFI_FFS_FILE_HEADER *FfsFileHeader;\r | |
358 | EFI_STATUS Status;\r | |
359 | EFI_PEI_HOB_POINTERS Hob;\r | |
360 | \r | |
361 | \r | |
362 | FwVolHeader = NULL;\r | |
363 | FfsFileHeader = NULL;\r | |
364 | Status = EFI_SUCCESS;\r | |
365 | \r | |
366 | //\r | |
367 | // For each Firmware Volume, look for a specified type\r | |
368 | // of file and break out until no one is found \r | |
369 | //\r | |
370 | Hob.Raw = GetHobList ();\r | |
371 | while ((Hob.Raw = GetNextHob (EFI_HOB_TYPE_FV, Hob.Raw)) != NULL) {\r | |
372 | FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) (Hob.FirmwareVolume->BaseAddress);\r | |
373 | //\r | |
374 | // Make sure the FV HOB does not get corrupted.\r | |
375 | //\r | |
376 | ASSERT (FwVolHeader->Signature == EFI_FVH_SIGNATURE);\r | |
377 | \r | |
378 | Status = PeiServicesFfsFindNextFile (\r | |
379 | Type,\r | |
380 | FwVolHeader,\r | |
381 | &FfsFileHeader\r | |
382 | );\r | |
383 | if (!EFI_ERROR (Status)) {\r | |
384 | Status = PeiProcessFile (\r | |
385 | SectionType,\r | |
386 | FfsFileHeader,\r | |
387 | Pe32Data,\r | |
388 | &Hob\r | |
389 | );\r | |
390 | CopyMem (FileName, &FfsFileHeader->Name, sizeof (EFI_GUID));\r | |
391 | //\r | |
392 | // Find all Fv type ffs to get all FvImage and add them into FvHob\r | |
393 | //\r | |
394 | if (!EFI_ERROR (Status) && (Type != EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE)) {\r | |
395 | return EFI_SUCCESS;\r | |
396 | }\r | |
397 | }\r | |
398 | Hob.Raw = GET_NEXT_HOB (Hob);\r | |
399 | }\r | |
400 | return EFI_NOT_FOUND;\r | |
401 | }\r | |
402 | \r | |
403 | EFI_STATUS\r | |
404 | PeiLoadFile (\r | |
405 | IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader,\r | |
406 | IN VOID *Pe32Data,\r | |
407 | OUT EFI_PHYSICAL_ADDRESS *ImageAddress,\r | |
408 | OUT UINT64 *ImageSize,\r | |
409 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint\r | |
410 | )\r | |
411 | /*++\r | |
412 | \r | |
413 | Routine Description:\r | |
414 | \r | |
415 | Loads and relocates a PE/COFF image into memory.\r | |
416 | \r | |
417 | Arguments:\r | |
418 | \r | |
419 | PeiEfiPeiPeCoffLoader - Pointer to a PE COFF loader protocol\r | |
420 | \r | |
421 | Pe32Data - The base address of the PE/COFF file that is to be loaded and relocated\r | |
422 | \r | |
423 | ImageAddress - The base address of the relocated PE/COFF image\r | |
424 | \r | |
425 | ImageSize - The size of the relocated PE/COFF image\r | |
426 | \r | |
427 | EntryPoint - The entry point of the relocated PE/COFF image\r | |
428 | \r | |
429 | Returns:\r | |
430 | \r | |
431 | EFI_SUCCESS - The file was loaded and relocated\r | |
432 | \r | |
433 | EFI_OUT_OF_RESOURCES - There was not enough memory to load and relocate the PE/COFF file\r | |
434 | \r | |
435 | --*/\r | |
436 | {\r | |
437 | EFI_STATUS Status;\r | |
438 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r | |
439 | \r | |
440 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
441 | ImageContext.Handle = Pe32Data;\r | |
442 | Status = GetImageReadFunction (&ImageContext);\r | |
443 | \r | |
444 | ASSERT_EFI_ERROR (Status);\r | |
445 | \r | |
446 | Status = PeiEfiPeiPeCoffLoader->GetImageInfo (PeiEfiPeiPeCoffLoader, &ImageContext);\r | |
447 | if (EFI_ERROR (Status)) {\r | |
448 | return Status;\r | |
449 | }\r | |
450 | //\r | |
451 | // Allocate Memory for the image\r | |
452 | //\r | |
453 | ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) AllocatePages (EFI_SIZE_TO_PAGES ((UINT32) ImageContext.ImageSize));\r | |
454 | ASSERT (ImageContext.ImageAddress != 0);\r | |
455 | \r | |
456 | //\r | |
457 | // Load the image to our new buffer\r | |
458 | //\r | |
459 | Status = PeiEfiPeiPeCoffLoader->LoadImage (PeiEfiPeiPeCoffLoader, &ImageContext);\r | |
460 | if (EFI_ERROR (Status)) {\r | |
461 | return Status;\r | |
462 | }\r | |
463 | //\r | |
464 | // Relocate the image in our new buffer\r | |
465 | //\r | |
466 | Status = PeiEfiPeiPeCoffLoader->RelocateImage (PeiEfiPeiPeCoffLoader, &ImageContext);\r | |
467 | if (EFI_ERROR (Status)) {\r | |
468 | return Status;\r | |
469 | }\r | |
470 | \r | |
471 | //\r | |
472 | // Flush the instruction cache so the image data is written before we execute it\r | |
473 | //\r | |
474 | InvalidateInstructionCacheRange ((VOID *)(UINTN)ImageContext.ImageAddress, (UINTN)ImageContext.ImageSize);\r | |
475 | \r | |
476 | *ImageAddress = ImageContext.ImageAddress;\r | |
477 | *ImageSize = ImageContext.ImageSize;\r | |
478 | *EntryPoint = ImageContext.EntryPoint;\r | |
479 | \r | |
480 | return EFI_SUCCESS;\r | |
481 | }\r | |
482 | \r | |
483 | EFI_STATUS\r | |
484 | ShadowDxeIpl (\r | |
485 | IN EFI_FFS_FILE_HEADER *DxeIplFileHeader,\r | |
486 | IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader\r | |
487 | )\r | |
488 | /*++\r | |
489 | \r | |
490 | Routine Description:\r | |
491 | \r | |
492 | Shadow the DXE IPL to a different memory location. This occurs after permanent\r | |
493 | memory has been discovered.\r | |
494 | \r | |
495 | Arguments:\r | |
496 | \r | |
497 | DxeIplFileHeader - Pointer to the FFS file header of the DXE IPL driver\r | |
498 | \r | |
499 | PeiEfiPeiPeCoffLoader - Pointer to a PE COFF loader protocol\r | |
500 | \r | |
501 | Returns:\r | |
502 | \r | |
503 | EFI_SUCCESS - DXE IPL was successfully shadowed to a different memory location.\r | |
504 | \r | |
505 | EFI_ ERROR - The shadow was unsuccessful.\r | |
506 | \r | |
507 | \r | |
508 | --*/\r | |
509 | {\r | |
510 | UINTN SectionLength;\r | |
511 | UINTN OccupiedSectionLength;\r | |
512 | EFI_PHYSICAL_ADDRESS DxeIplAddress;\r | |
513 | UINT64 DxeIplSize;\r | |
514 | EFI_PHYSICAL_ADDRESS DxeIplEntryPoint;\r | |
515 | EFI_STATUS Status;\r | |
516 | EFI_COMMON_SECTION_HEADER *Section;\r | |
517 | \r | |
518 | Section = (EFI_COMMON_SECTION_HEADER *) (DxeIplFileHeader + 1);\r | |
519 | \r | |
520 | while ((Section->Type != EFI_SECTION_PE32) && (Section->Type != EFI_SECTION_TE)) {\r | |
521 | SectionLength = *(UINT32 *) (Section->Size) & 0x00ffffff;\r | |
522 | OccupiedSectionLength = GET_OCCUPIED_SIZE (SectionLength, 4);\r | |
523 | Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) Section + OccupiedSectionLength);\r | |
524 | }\r | |
525 | //\r | |
526 | // Relocate DxeIpl into memory by using loadfile service\r | |
527 | //\r | |
528 | Status = PeiLoadFile (\r | |
529 | PeiEfiPeiPeCoffLoader,\r | |
530 | (VOID *) (Section + 1),\r | |
531 | &DxeIplAddress,\r | |
532 | &DxeIplSize,\r | |
533 | &DxeIplEntryPoint\r | |
534 | );\r | |
535 | \r | |
536 | if (Status == EFI_SUCCESS) {\r | |
537 | //\r | |
538 | // Set gInMemory global variable to TRUE to indicate the dxeipl is shadowed.\r | |
539 | //\r | |
540 | *(BOOLEAN *) ((UINTN) &gInMemory + (UINTN) DxeIplEntryPoint - (UINTN) _ModuleEntryPoint) = TRUE;\r | |
541 | Status = ((EFI_PEIM_ENTRY_POINT) (UINTN) DxeIplEntryPoint) ((EFI_PEI_FILE_HANDLE *) DxeIplFileHeader, GetPeiServicesTablePointer());\r | |
542 | }\r | |
543 | \r | |
544 | return Status;\r | |
545 | }\r | |
546 | \r | |
547 | EFI_STATUS\r | |
548 | EFIAPI\r | |
549 | DxeIplLoadFile (\r | |
550 | IN EFI_PEI_FV_FILE_LOADER_PPI *This,\r | |
551 | IN EFI_FFS_FILE_HEADER *FfsHeader,\r | |
552 | OUT EFI_PHYSICAL_ADDRESS *ImageAddress,\r | |
553 | OUT UINT64 *ImageSize,\r | |
554 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint\r | |
555 | )\r | |
556 | /*++\r | |
557 | \r | |
558 | Routine Description:\r | |
559 | \r | |
560 | Given a pointer to an FFS file containing a PE32 image, get the\r | |
561 | information on the PE32 image, and then "load" it so that it\r | |
562 | can be executed.\r | |
563 | \r | |
564 | Arguments:\r | |
565 | \r | |
566 | This - pointer to our file loader protocol\r | |
567 | \r | |
568 | FfsHeader - pointer to the FFS file header of the FFS file that\r | |
569 | contains the PE32 image we want to load\r | |
570 | \r | |
571 | ImageAddress - returned address where the PE32 image is loaded\r | |
572 | \r | |
573 | ImageSize - returned size of the loaded PE32 image\r | |
574 | \r | |
575 | EntryPoint - entry point to the loaded PE32 image\r | |
576 | \r | |
577 | Returns:\r | |
578 | \r | |
579 | EFI_SUCCESS - The FFS file was successfully loaded.\r | |
580 | \r | |
581 | EFI_ERROR - Unable to load the FFS file.\r | |
582 | \r | |
583 | --*/\r | |
584 | {\r | |
585 | EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader;\r | |
586 | EFI_STATUS Status;\r | |
587 | VOID *Pe32Data;\r | |
588 | \r | |
589 | Pe32Data = NULL;\r | |
590 | PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol ();\r | |
591 | \r | |
592 | //\r | |
593 | // Preprocess the FFS file to get a pointer to the PE32 information\r | |
594 | // in the enclosed PE32 image.\r | |
595 | //\r | |
596 | Status = PeiProcessFile (\r | |
597 | EFI_SECTION_PE32,\r | |
598 | FfsHeader,\r | |
599 | &Pe32Data,\r | |
600 | NULL\r | |
601 | );\r | |
602 | \r | |
603 | if (EFI_ERROR (Status)) {\r | |
604 | return Status;\r | |
605 | }\r | |
606 | //\r | |
607 | // Load the PE image from the FFS file\r | |
608 | //\r | |
609 | Status = PeiLoadFile (\r | |
610 | PeiEfiPeiPeCoffLoader,\r | |
611 | Pe32Data,\r | |
612 | ImageAddress,\r | |
613 | ImageSize,\r | |
614 | EntryPoint\r | |
615 | );\r | |
616 | \r | |
617 | return Status;\r | |
618 | }\r | |
619 | \r | |
620 | EFI_STATUS\r | |
621 | PeiProcessFile (\r | |
d8c79a81 | 622 | IN EFI_SECTION_TYPE SectionType,\r |
95276127 | 623 | IN EFI_FFS_FILE_HEADER *FfsFileHeader,\r |
624 | OUT VOID **Pe32Data,\r | |
625 | IN EFI_PEI_HOB_POINTERS *OrigHob\r | |
626 | )\r | |
627 | /*++\r | |
628 | \r | |
629 | Routine Description:\r | |
630 | \r | |
631 | Arguments:\r | |
632 | \r | |
633 | SectionType - The type of section in the FFS file to process.\r | |
634 | \r | |
635 | FfsFileHeader - Pointer to the FFS file to process, looking for the\r | |
636 | specified SectionType\r | |
637 | \r | |
638 | Pe32Data - returned pointer to the start of the PE32 image found\r | |
639 | in the FFS file.\r | |
640 | \r | |
641 | Returns:\r | |
642 | \r | |
643 | EFI_SUCCESS - found the PE32 section in the FFS file\r | |
644 | \r | |
645 | --*/\r | |
646 | {\r | |
647 | EFI_STATUS Status;\r | |
95276127 | 648 | UINT8 *DstBuffer;\r |
649 | UINT8 *ScratchBuffer;\r | |
1b0d0cc5 | 650 | UINTN DstBufferSize;\r |
95276127 | 651 | UINT32 ScratchBufferSize;\r |
652 | EFI_COMMON_SECTION_HEADER *CmpSection;\r | |
653 | UINTN CmpSectionLength;\r | |
654 | UINTN OccupiedCmpSectionLength;\r | |
655 | VOID *CmpFileData;\r | |
656 | UINTN CmpFileSize;\r | |
657 | EFI_COMMON_SECTION_HEADER *Section;\r | |
658 | UINTN SectionLength;\r | |
659 | UINTN OccupiedSectionLength;\r | |
d8c79a81 | 660 | UINTN FileSize;\r |
95276127 | 661 | EFI_FIRMWARE_VOLUME_HEADER *FvHeader;\r |
662 | EFI_COMPRESSION_SECTION *CompressionSection;\r | |
d8c79a81 LG |
663 | EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *SectionExtract;\r |
664 | UINT32 AuthenticationStatus;\r | |
95276127 | 665 | \r |
666 | //\r | |
d8c79a81 | 667 | // First try to find the required section in this ffs file.\r |
95276127 | 668 | //\r |
95276127 | 669 | Status = PeiServicesFfsFindSectionData (\r |
d8c79a81 | 670 | SectionType,\r |
95276127 | 671 | FfsFileHeader,\r |
d8c79a81 | 672 | Pe32Data\r |
95276127 | 673 | );\r |
d8c79a81 LG |
674 | if (!EFI_ERROR (Status)) {\r |
675 | return Status;\r | |
676 | }\r | |
677 | \r | |
95276127 | 678 | //\r |
d8c79a81 LG |
679 | // If not found, the required section may be in guided or compressed section.\r |
680 | // So, search guided or compressed section to process\r | |
95276127 | 681 | //\r |
d8c79a81 LG |
682 | Section = (EFI_COMMON_SECTION_HEADER *) (UINTN) (VOID *) ((UINT8 *) (FfsFileHeader) + (UINTN) sizeof (EFI_FFS_FILE_HEADER));\r |
683 | FileSize = FfsFileHeader->Size[0] & 0xFF;\r | |
684 | FileSize += (FfsFileHeader->Size[1] << 8) & 0xFF00;\r | |
685 | FileSize += (FfsFileHeader->Size[2] << 16) & 0xFF0000;\r | |
686 | FileSize &= 0x00FFFFFF;\r | |
687 | OccupiedSectionLength = 0;\r | |
688 | \r | |
689 | do {\r | |
95276127 | 690 | //\r |
d8c79a81 | 691 | // Initialize local variables.\r |
95276127 | 692 | //\r |
d8c79a81 LG |
693 | DstBuffer = NULL;\r |
694 | DstBufferSize = 0; \r | |
95276127 | 695 | \r |
d8c79a81 LG |
696 | Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) Section + OccupiedSectionLength);\r |
697 | SectionLength = *(UINT32 *) (Section->Size) & 0x00ffffff;\r | |
698 | OccupiedSectionLength = GET_OCCUPIED_SIZE (SectionLength, 4);\r | |
95276127 | 699 | \r |
d8c79a81 LG |
700 | //\r |
701 | // Was the DXE Core file encapsulated in a GUID'd section?\r | |
702 | //\r | |
703 | if (Section->Type == EFI_SECTION_GUID_DEFINED) {\r | |
95276127 | 704 | //\r |
d8c79a81 | 705 | // Set a default authenticatino state\r |
95276127 | 706 | //\r |
d8c79a81 LG |
707 | AuthenticationStatus = 0;\r |
708 | //\r | |
709 | // Locate extract guid section ppi\r | |
710 | //\r | |
711 | Status = PeiServicesLocatePpi (\r | |
712 | (EFI_GUID *) (Section + 1),\r | |
713 | 0,\r | |
714 | NULL,\r | |
715 | (VOID **)&SectionExtract\r | |
716 | );\r | |
95276127 | 717 | \r |
d8c79a81 | 718 | if (EFI_ERROR (Status)) {\r |
95276127 | 719 | //\r |
d8c79a81 | 720 | // ignore the unknown guid section\r |
95276127 | 721 | //\r |
d8c79a81 LG |
722 | continue;\r |
723 | }\r | |
724 | //\r | |
725 | // Extract the contents from guid section\r | |
726 | //\r | |
727 | Status = SectionExtract->ExtractSection (\r | |
728 | SectionExtract,\r | |
729 | (VOID *) Section,\r | |
730 | (VOID **) &DstBuffer,\r | |
1b0d0cc5 | 731 | &DstBufferSize,\r |
d8c79a81 LG |
732 | &AuthenticationStatus\r |
733 | );\r | |
734 | \r | |
735 | if (EFI_ERROR (Status)) {\r | |
736 | DEBUG ((EFI_D_ERROR, "Extract section content failed - %r\n", Status));\r | |
737 | return Status;\r | |
738 | }\r | |
1b0d0cc5 | 739 | \r |
d8c79a81 LG |
740 | //\r |
741 | // Todo check AuthenticationStatus and do the verify\r | |
742 | //\r | |
743 | } else if (Section->Type == EFI_SECTION_COMPRESSION) {\r | |
744 | //\r | |
745 | // This is a compression set, expand it\r | |
746 | //\r | |
747 | CompressionSection = (EFI_COMPRESSION_SECTION *) Section;\r | |
748 | \r | |
749 | switch (CompressionSection->CompressionType) {\r | |
750 | case EFI_STANDARD_COMPRESSION:\r | |
95276127 | 751 | //\r |
d8c79a81 LG |
752 | // Load EFI standard compression.\r |
753 | // For compressed data, decompress them to dstbuffer.\r | |
95276127 | 754 | //\r |
d8c79a81 LG |
755 | Status = UefiDecompressGetInfo (\r |
756 | (UINT8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),\r | |
757 | (UINT32) SectionLength - sizeof (EFI_COMPRESSION_SECTION),\r | |
1b0d0cc5 | 758 | (UINT32 *) &DstBufferSize,\r |
d8c79a81 | 759 | &ScratchBufferSize\r |
95276127 | 760 | );\r |
95276127 | 761 | if (EFI_ERROR (Status)) {\r |
d8c79a81 LG |
762 | //\r |
763 | // GetInfo failed\r | |
764 | //\r | |
765 | DEBUG ((EFI_D_ERROR, "Decompress GetInfo Failed - %r\n", Status));\r | |
766 | return EFI_NOT_FOUND;\r | |
95276127 | 767 | }\r |
768 | //\r | |
d8c79a81 | 769 | // Allocate scratch buffer\r |
95276127 | 770 | //\r |
d8c79a81 LG |
771 | ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize));\r |
772 | if (ScratchBuffer == NULL) {\r | |
773 | return EFI_OUT_OF_RESOURCES;\r | |
95276127 | 774 | }\r |
775 | //\r | |
d8c79a81 LG |
776 | // Allocate destination buffer\r |
777 | //\r | |
778 | DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));\r | |
779 | if (DstBuffer == NULL) {\r | |
780 | return EFI_OUT_OF_RESOURCES;\r | |
781 | }\r | |
95276127 | 782 | //\r |
d8c79a81 | 783 | // Call decompress function\r |
95276127 | 784 | //\r |
d8c79a81 LG |
785 | Status = UefiDecompress (\r |
786 | (CHAR8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),\r | |
787 | DstBuffer,\r | |
788 | ScratchBuffer\r | |
789 | );\r | |
95276127 | 790 | if (EFI_ERROR (Status)) {\r |
d8c79a81 LG |
791 | //\r |
792 | // Decompress failed\r | |
793 | //\r | |
794 | DEBUG ((EFI_D_ERROR, "Decompress Failed - %r\n", Status));\r | |
795 | return EFI_NOT_FOUND;\r | |
95276127 | 796 | }\r |
d8c79a81 | 797 | break;\r |
95276127 | 798 | \r |
d8c79a81 | 799 | // porting note the original branch for customized compress is removed, it should be change to use GUID compress\r |
95276127 | 800 | \r |
d8c79a81 | 801 | case EFI_NOT_COMPRESSED:\r |
95276127 | 802 | //\r |
d8c79a81 | 803 | // Allocate destination buffer\r |
95276127 | 804 | //\r |
d8c79a81 LG |
805 | DstBufferSize = CompressionSection->UncompressedLength;\r |
806 | DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));\r | |
807 | if (DstBuffer == NULL) {\r | |
808 | return EFI_OUT_OF_RESOURCES;\r | |
95276127 | 809 | }\r |
95276127 | 810 | //\r |
d8c79a81 | 811 | // stream is not actually compressed, just encapsulated. So just copy it.\r |
95276127 | 812 | //\r |
d8c79a81 LG |
813 | CopyMem (DstBuffer, CompressionSection + 1, DstBufferSize);\r |
814 | break;\r | |
815 | \r | |
816 | default:\r | |
95276127 | 817 | //\r |
d8c79a81 | 818 | // Don't support other unknown compression type.\r |
95276127 | 819 | //\r |
d8c79a81 LG |
820 | ASSERT_EFI_ERROR (Status);\r |
821 | return EFI_NOT_FOUND;\r | |
822 | }\r | |
823 | } else {\r | |
824 | //\r | |
825 | // ignore other type sections\r | |
826 | //\r | |
827 | continue;\r | |
828 | }\r | |
95276127 | 829 | \r |
d8c79a81 LG |
830 | //\r |
831 | // Extract contents from guided or compressed sections.\r | |
832 | // Loop the decompressed data searching for expected section.\r | |
833 | //\r | |
834 | CmpSection = (EFI_COMMON_SECTION_HEADER *) DstBuffer;\r | |
835 | CmpFileData = (VOID *) DstBuffer;\r | |
836 | CmpFileSize = DstBufferSize;\r | |
837 | do {\r | |
838 | CmpSectionLength = *(UINT32 *) (CmpSection->Size) & 0x00ffffff;\r | |
839 | if (CmpSection->Type == SectionType) {\r | |
840 | //\r | |
841 | // This is what we want\r | |
842 | //\r | |
843 | if (SectionType == EFI_SECTION_FIRMWARE_VOLUME_IMAGE) {\r | |
844 | // \r | |
845 | // Firmware Volume Image in this Section\r | |
846 | // Skip the section header to get FvHeader\r | |
95276127 | 847 | //\r |
d8c79a81 | 848 | FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (CmpSection + 1);\r |
95276127 | 849 | \r |
d8c79a81 | 850 | if (FvHeader->Signature == EFI_FVH_SIGNATURE) {\r |
95276127 | 851 | //\r |
d8c79a81 LG |
852 | // Because FvLength in FvHeader is UINT64 type, \r |
853 | // so FvHeader must meed at least 8 bytes alignment.\r | |
854 | // If current FvImage base address doesn't meet its alignment,\r | |
855 | // we need to reload this FvImage to another correct memory address.\r | |
95276127 | 856 | //\r |
d8c79a81 LG |
857 | if (((UINTN) FvHeader % sizeof (UINT64)) != 0) {\r |
858 | CopyMem (DstBuffer, FvHeader, (UINTN) CmpSectionLength - sizeof (EFI_COMMON_SECTION_HEADER));\r | |
859 | FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) DstBuffer; \r | |
860 | }\r | |
861 | \r | |
95276127 | 862 | //\r |
d8c79a81 | 863 | // Build new FvHob for new decompressed Fv image.\r |
95276127 | 864 | //\r |
d8c79a81 LG |
865 | BuildFvHob ((EFI_PHYSICAL_ADDRESS) (UINTN) FvHeader, FvHeader->FvLength);\r |
866 | \r | |
95276127 | 867 | //\r |
d8c79a81 | 868 | // Set the original FvHob to unused.\r |
95276127 | 869 | //\r |
d8c79a81 LG |
870 | if (OrigHob != NULL) {\r |
871 | OrigHob->Header->HobType = EFI_HOB_TYPE_UNUSED;\r | |
95276127 | 872 | }\r |
d8c79a81 LG |
873 | //\r |
874 | // return found FvImage data.\r | |
875 | //\r | |
876 | *Pe32Data = (VOID *) FvHeader;\r | |
877 | return EFI_SUCCESS;\r | |
95276127 | 878 | }\r |
d8c79a81 LG |
879 | } else {\r |
880 | //\r | |
881 | // direct return the found section.\r | |
882 | //\r | |
883 | *Pe32Data = (VOID *) (CmpSection + 1);\r | |
884 | return EFI_SUCCESS;\r | |
885 | }\r | |
95276127 | 886 | }\r |
d8c79a81 LG |
887 | OccupiedCmpSectionLength = GET_OCCUPIED_SIZE (CmpSectionLength, 4);\r |
888 | CmpSection = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) CmpSection + OccupiedCmpSectionLength);\r | |
889 | } while (CmpSection->Type != 0 && (UINTN) ((UINT8 *) CmpSection - (UINT8 *) CmpFileData) < CmpFileSize);\r | |
890 | } while (Section->Type != 0 && (UINTN) ((UINT8 *) Section + OccupiedSectionLength - (UINT8 *) FfsFileHeader) < FileSize);\r | |
95276127 | 891 | \r |
d8c79a81 LG |
892 | //\r |
893 | // search all sections (compression and non compression) in this FFS, don't \r | |
894 | // find expected section.\r | |
895 | //\r | |
896 | return EFI_NOT_FOUND;\r | |
897 | }\r | |
898 | \r | |
899 | /**\r | |
900 | The ExtractSection() function processes the input section and\r | |
901 | returns a pointer to the section contents. If the section being\r | |
902 | extracted does not require processing (if the section\r | |
903 | GuidedSectionHeader.Attributes has the\r | |
904 | EFI_GUIDED_SECTION_PROCESSING_REQUIRED field cleared), then\r | |
905 | OutputBuffer is just updated to point to the start of the\r | |
906 | section's contents. Otherwise, *Buffer must be allocated\r | |
907 | from PEI permanent memory.\r | |
908 | \r | |
909 | @param This Indicates the\r | |
910 | EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI instance.\r | |
911 | Buffer containing the input GUIDed section to be\r | |
912 | processed. OutputBuffer OutputBuffer is\r | |
913 | allocated from PEI permanent memory and contains\r | |
914 | the new section stream.\r | |
915 | \r | |
916 | @param OutputSize A pointer to a caller-allocated\r | |
917 | UINTN in which the size of *OutputBuffer\r | |
918 | allocation is stored. If the function\r | |
919 | returns anything other than EFI_SUCCESS,\r | |
920 | the value of OutputSize is undefined.\r | |
921 | \r | |
922 | @param AuthenticationStatus A pointer to a caller-allocated\r | |
923 | UINT32 that indicates the\r | |
924 | authentication status of the\r | |
925 | output buffer. If the input\r | |
926 | section's GuidedSectionHeader.\r | |
927 | Attributes field has the\r | |
928 | EFI_GUIDED_SECTION_AUTH_STATUS_VALID \r | |
929 | bit as clear,\r | |
930 | AuthenticationStatus must return\r | |
931 | zero. These bits reflect the\r | |
932 | status of the extraction\r | |
933 | operation. If the function\r | |
934 | returns anything other than\r | |
935 | EFI_SUCCESS, the value of\r | |
936 | AuthenticationStatus is\r | |
937 | undefined.\r | |
938 | \r | |
939 | @retval EFI_SUCCESS The InputSection was\r | |
940 | successfully processed and the\r | |
941 | section contents were returned.\r | |
942 | \r | |
943 | @retval EFI_OUT_OF_RESOURCES The system has insufficient\r | |
944 | resources to process the request.\r | |
945 | \r | |
946 | @reteval EFI_INVALID_PARAMETER The GUID in InputSection does\r | |
947 | not match this instance of the\r | |
948 | GUIDed Section Extraction PPI.\r | |
949 | **/\r | |
950 | EFI_STATUS\r | |
951 | CustomDecompressExtractSection (\r | |
952 | IN CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *This,\r | |
953 | IN CONST VOID *InputSection,\r | |
954 | OUT VOID **OutputBuffer,\r | |
955 | OUT UINTN *OutputSize,\r | |
956 | OUT UINT32 *AuthenticationStatus\r | |
957 | )\r | |
958 | {\r | |
959 | EFI_STATUS Status;\r | |
960 | UINT8 *ScratchBuffer;\r | |
961 | UINT32 ScratchSize;\r | |
88ce0209 LG |
962 | UINT32 SectionLength;\r |
963 | UINT32 DestinationSize; \r | |
d8c79a81 LG |
964 | \r |
965 | //\r | |
966 | // Set authentic value to zero.\r | |
967 | //\r | |
968 | *AuthenticationStatus = 0;\r | |
969 | //\r | |
970 | // Calculate Section data Size\r | |
971 | //\r | |
972 | SectionLength = *(UINT32 *) (((EFI_COMMON_SECTION_HEADER *) InputSection)->Size) & 0x00ffffff;\r | |
973 | //\r | |
974 | // Get compressed data information\r | |
975 | //\r | |
976 | Status = CustomDecompressGetInfo (\r | |
977 | (GUID *) ((UINT8 *) InputSection + sizeof (EFI_COMMON_SECTION_HEADER)),\r | |
978 | (UINT8 *) InputSection + sizeof (EFI_GUID_DEFINED_SECTION),\r | |
979 | SectionLength - sizeof (EFI_GUID_DEFINED_SECTION),\r | |
88ce0209 | 980 | &DestinationSize,\r |
d8c79a81 LG |
981 | &ScratchSize\r |
982 | );\r | |
983 | if (EFI_ERROR (Status)) {\r | |
95276127 | 984 | //\r |
d8c79a81 | 985 | // GetInfo failed\r |
95276127 | 986 | //\r |
d8c79a81 LG |
987 | DEBUG ((EFI_D_ERROR, "Extract guided section Failed - %r\n", Status));\r |
988 | return Status;\r | |
989 | }\r | |
95276127 | 990 | \r |
d8c79a81 LG |
991 | //\r |
992 | // Allocate scratch buffer\r | |
993 | //\r | |
994 | ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchSize));\r | |
995 | if (ScratchBuffer == NULL) {\r | |
996 | return EFI_OUT_OF_RESOURCES;\r | |
997 | }\r | |
998 | //\r | |
999 | // Allocate destination buffer\r | |
1000 | //\r | |
88ce0209 | 1001 | *OutputSize = (UINTN) DestinationSize;\r |
d8c79a81 LG |
1002 | *OutputBuffer = AllocatePages (EFI_SIZE_TO_PAGES (*OutputSize));\r |
1003 | if (*OutputBuffer == NULL) {\r | |
1004 | return EFI_OUT_OF_RESOURCES;\r | |
95276127 | 1005 | }\r |
1006 | \r | |
d8c79a81 LG |
1007 | //\r |
1008 | // Call decompress function\r | |
1009 | //\r | |
1010 | Status = CustomDecompress (\r | |
1011 | (GUID *) ((UINT8 *) InputSection + sizeof (EFI_COMMON_SECTION_HEADER)),\r | |
1012 | (UINT8 *) InputSection + sizeof (EFI_GUID_DEFINED_SECTION),\r | |
1013 | *OutputBuffer,\r | |
1014 | ScratchBuffer\r | |
1015 | );\r | |
95276127 | 1016 | \r |
d8c79a81 LG |
1017 | if (EFI_ERROR (Status)) {\r |
1018 | //\r | |
1019 | // Decompress failed\r | |
1020 | //\r | |
1021 | DEBUG ((EFI_D_ERROR, "Extract guided section Failed - %r\n", Status));\r | |
1022 | return Status;\r | |
1023 | }\r | |
1024 | \r | |
95276127 | 1025 | return EFI_SUCCESS;\r |
1026 | }\r |