]>
Commit | Line | Data |
---|---|---|
1 | /**@file\r | |
2 | Last PEIM.\r | |
3 | Responsibility of this module is to load the DXE Core from a Firmware Volume.\r | |
4 | \r | |
5 | Copyright (c) 2006 - 2007 Intel Corporation\r | |
6 | All rights reserved. This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include "DxeIpl.h"\r | |
17 | #include <Ppi/GuidedSectionExtraction.h>\r | |
18 | #include <FrameworkPei.h>\r | |
19 | \r | |
20 | EFI_STATUS\r | |
21 | CustomDecompressExtractSection (\r | |
22 | IN CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *This,\r | |
23 | IN CONST VOID *InputSection,\r | |
24 | OUT VOID **OutputBuffer,\r | |
25 | OUT UINTN *OutputSize,\r | |
26 | OUT UINT32 *AuthenticationStatus\r | |
27 | );\r | |
28 | \r | |
29 | STATIC\r | |
30 | EFI_STATUS\r | |
31 | EFIAPI \r | |
32 | Decompress (\r | |
33 | IN CONST EFI_PEI_DECOMPRESS_PPI *This,\r | |
34 | IN CONST EFI_COMPRESSION_SECTION *InputSection,\r | |
35 | OUT VOID **OutputBuffer,\r | |
36 | OUT UINTN *OutputSize\r | |
37 | );\r | |
38 | \r | |
39 | \r | |
40 | BOOLEAN gInMemory = FALSE;\r | |
41 | \r | |
42 | //\r | |
43 | // Module Globals used in the DXE to PEI handoff\r | |
44 | // These must be module globals, so the stack can be switched\r | |
45 | //\r | |
46 | static EFI_DXE_IPL_PPI mDxeIplPpi = {\r | |
47 | DxeLoadCore\r | |
48 | };\r | |
49 | \r | |
50 | STATIC EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI mCustomDecompressExtractiongPpi = {\r | |
51 | CustomDecompressExtractSection\r | |
52 | };\r | |
53 | \r | |
54 | STATIC EFI_PEI_DECOMPRESS_PPI mDecompressPpi = {\r | |
55 | Decompress\r | |
56 | };\r | |
57 | \r | |
58 | static EFI_PEI_PPI_DESCRIPTOR mPpiList[] = {\r | |
59 | {\r | |
60 | EFI_PEI_PPI_DESCRIPTOR_PPI,\r | |
61 | &gEfiDxeIplPpiGuid,\r | |
62 | &mDxeIplPpi\r | |
63 | },\r | |
64 | {\r | |
65 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
66 | &gEfiPeiDecompressPpiGuid,\r | |
67 | &mDecompressPpi\r | |
68 | }\r | |
69 | };\r | |
70 | \r | |
71 | static EFI_PEI_PPI_DESCRIPTOR mPpiSignal = {\r | |
72 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
73 | &gEfiEndOfPeiSignalPpiGuid,\r | |
74 | NULL\r | |
75 | };\r | |
76 | \r | |
77 | /**\r | |
78 | Initializes the Dxe Ipl PPI\r | |
79 | \r | |
80 | @param FfsHandle The handle of FFS file.\r | |
81 | @param PeiServices General purpose services available to\r | |
82 | every PEIM.\r | |
83 | @return EFI_SUCESS \r | |
84 | */ \r | |
85 | EFI_STATUS\r | |
86 | EFIAPI\r | |
87 | PeimInitializeDxeIpl (\r | |
88 | IN EFI_PEI_FILE_HANDLE FfsHandle,\r | |
89 | IN EFI_PEI_SERVICES **PeiServices\r | |
90 | )\r | |
91 | {\r | |
92 | EFI_STATUS Status;\r | |
93 | EFI_BOOT_MODE BootMode;\r | |
94 | EFI_GUID **DecompressGuidList;\r | |
95 | UINT32 DecompressMethodNumber;\r | |
96 | EFI_PEI_PPI_DESCRIPTOR *GuidPpi;\r | |
97 | \r | |
98 | Status = PeiServicesGetBootMode (&BootMode);\r | |
99 | ASSERT_EFI_ERROR (Status);\r | |
100 | \r | |
101 | if (BootMode != BOOT_ON_S3_RESUME) {\r | |
102 | Status = PeiServicesRegisterForShadow (FfsHandle);\r | |
103 | if (Status == EFI_SUCCESS) {\r | |
104 | //\r | |
105 | // EFI_SUCESS means the first time call register for shadow \r | |
106 | // \r | |
107 | return Status;\r | |
108 | } else if (Status == EFI_ALREADY_STARTED) {\r | |
109 | \r | |
110 | gInMemory = TRUE;\r | |
111 | \r | |
112 | //\r | |
113 | // Get custom decompress method guid list \r | |
114 | //\r | |
115 | DecompressGuidList = NULL;\r | |
116 | DecompressMethodNumber = 0;\r | |
117 | Status = CustomDecompressGetAlgorithms (DecompressGuidList, &DecompressMethodNumber);\r | |
118 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
119 | DecompressGuidList = (EFI_GUID **) AllocatePages (EFI_SIZE_TO_PAGES (DecompressMethodNumber * sizeof (EFI_GUID *)));\r | |
120 | ASSERT (DecompressGuidList != NULL);\r | |
121 | Status = CustomDecompressGetAlgorithms (DecompressGuidList, &DecompressMethodNumber);\r | |
122 | }\r | |
123 | ASSERT_EFI_ERROR(Status);\r | |
124 | \r | |
125 | //\r | |
126 | // Install custom decompress extraction guid ppi\r | |
127 | //\r | |
128 | if (DecompressMethodNumber > 0) {\r | |
129 | GuidPpi = NULL;\r | |
130 | GuidPpi = (EFI_PEI_PPI_DESCRIPTOR *) AllocatePages (EFI_SIZE_TO_PAGES (DecompressMethodNumber * sizeof (EFI_PEI_PPI_DESCRIPTOR)));\r | |
131 | ASSERT (GuidPpi != NULL);\r | |
132 | while (DecompressMethodNumber-- > 0) {\r | |
133 | GuidPpi->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;\r | |
134 | GuidPpi->Ppi = &mCustomDecompressExtractiongPpi;\r | |
135 | GuidPpi->Guid = DecompressGuidList [DecompressMethodNumber];\r | |
136 | Status = PeiServicesInstallPpi (GuidPpi++);\r | |
137 | ASSERT_EFI_ERROR(Status);\r | |
138 | }\r | |
139 | }\r | |
140 | } else {\r | |
141 | ASSERT_EFI_ERROR (FALSE);\r | |
142 | }\r | |
143 | }\r | |
144 | \r | |
145 | //\r | |
146 | // Install FvFileLoader and DxeIpl PPIs.\r | |
147 | //\r | |
148 | Status = PeiServicesInstallPpi (mPpiList);\r | |
149 | ASSERT_EFI_ERROR(Status); \r | |
150 | \r | |
151 | return Status;\r | |
152 | }\r | |
153 | \r | |
154 | /**\r | |
155 | Main entry point to last PEIM \r | |
156 | \r | |
157 | @param This Entry point for DXE IPL PPI\r | |
158 | @param PeiServices General purpose services available to every PEIM.\r | |
159 | @param HobList Address to the Pei HOB list\r | |
160 | \r | |
161 | @return EFI_SUCCESS DXE core was successfully loaded. \r | |
162 | @return EFI_OUT_OF_RESOURCES There are not enough resources to load DXE core.\r | |
163 | **/\r | |
164 | EFI_STATUS\r | |
165 | EFIAPI\r | |
166 | DxeLoadCore (\r | |
167 | IN EFI_DXE_IPL_PPI *This,\r | |
168 | IN EFI_PEI_SERVICES **PeiServices,\r | |
169 | IN EFI_PEI_HOB_POINTERS HobList\r | |
170 | )\r | |
171 | {\r | |
172 | EFI_STATUS Status;\r | |
173 | EFI_GUID DxeCoreFileName;\r | |
174 | EFI_PHYSICAL_ADDRESS DxeCoreAddress;\r | |
175 | UINT64 DxeCoreSize;\r | |
176 | EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint;\r | |
177 | EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader;\r | |
178 | EFI_BOOT_MODE BootMode;\r | |
179 | EFI_PEI_FV_HANDLE VolumeHandle;\r | |
180 | EFI_PEI_FILE_HANDLE FileHandle;\r | |
181 | UINTN Instance;\r | |
182 | \r | |
183 | //\r | |
184 | // if in S3 Resume, restore configure\r | |
185 | //\r | |
186 | Status = PeiServicesGetBootMode (&BootMode);\r | |
187 | ASSERT_EFI_ERROR(Status);\r | |
188 | \r | |
189 | if (BootMode == BOOT_ON_S3_RESUME) {\r | |
190 | Status = AcpiS3ResumeOs();\r | |
191 | ASSERT_EFI_ERROR (Status);\r | |
192 | } else if (BootMode == BOOT_IN_RECOVERY_MODE) {\r | |
193 | Status = PeiRecoverFirmware ();\r | |
194 | if (EFI_ERROR (Status)) {\r | |
195 | DEBUG ((EFI_D_ERROR, "Load Recovery Capsule Failed.(Status = %r)\n", Status));\r | |
196 | CpuDeadLoop ();\r | |
197 | }\r | |
198 | \r | |
199 | //\r | |
200 | // Now should have a HOB with the DXE core w/ the old HOB destroyed\r | |
201 | //\r | |
202 | }\r | |
203 | \r | |
204 | //\r | |
205 | // Install the PEI Protocols that are shared between PEI and DXE\r | |
206 | //\r | |
207 | PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *) GetPeCoffLoaderProtocol ();\r | |
208 | ASSERT (PeiEfiPeiPeCoffLoader != NULL);\r | |
209 | \r | |
210 | //\r | |
211 | // If any FV contains an encapsulated FV extract that FV\r | |
212 | //\r | |
213 | DxeIplAddEncapsulatedFirmwareVolumes ();\r | |
214 | \r | |
215 | //\r | |
216 | // Look in all the FVs present in PEI and find the DXE Core\r | |
217 | //\r | |
218 | Instance = 0;\r | |
219 | Status = DxeIplFindFirmwareVolumeInstance (&Instance, EFI_FV_FILETYPE_DXE_CORE, &VolumeHandle, &FileHandle);\r | |
220 | ASSERT_EFI_ERROR (Status);\r | |
221 | \r | |
222 | CopyMem(&DxeCoreFileName, &(((EFI_FFS_FILE_HEADER*)FileHandle)->Name), sizeof (EFI_GUID));\r | |
223 | \r | |
224 | //\r | |
225 | // Load the DXE Core from a Firmware Volume\r | |
226 | //\r | |
227 | Status = PeiLoadFile (\r | |
228 | FileHandle,\r | |
229 | &DxeCoreAddress,\r | |
230 | &DxeCoreSize,\r | |
231 | &DxeCoreEntryPoint\r | |
232 | );\r | |
233 | \r | |
234 | ASSERT_EFI_ERROR (Status);\r | |
235 | \r | |
236 | //\r | |
237 | // Add HOB for the DXE Core\r | |
238 | //\r | |
239 | BuildModuleHob (\r | |
240 | &DxeCoreFileName,\r | |
241 | DxeCoreAddress,\r | |
242 | DxeCoreSize,\r | |
243 | DxeCoreEntryPoint\r | |
244 | );\r | |
245 | \r | |
246 | //\r | |
247 | // Add HOB for the PE/COFF Loader Protocol\r | |
248 | //\r | |
249 | BuildGuidDataHob (\r | |
250 | &gEfiPeiPeCoffLoaderGuid,\r | |
251 | (VOID *)&PeiEfiPeiPeCoffLoader,\r | |
252 | sizeof (VOID *)\r | |
253 | );\r | |
254 | //\r | |
255 | // Report Status Code EFI_SW_PEI_PC_HANDOFF_TO_NEXT\r | |
256 | //\r | |
257 | REPORT_STATUS_CODE (\r | |
258 | EFI_PROGRESS_CODE,\r | |
259 | EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_CORE_PC_HANDOFF_TO_NEXT\r | |
260 | );\r | |
261 | \r | |
262 | //\r | |
263 | // Transfer control to the DXE Core\r | |
264 | // The handoff state is simply a pointer to the HOB list\r | |
265 | //\r | |
266 | DEBUG ((EFI_D_INFO, "DXE Core Entry Point 0x%08x\n", (UINTN) DxeCoreEntryPoint));\r | |
267 | HandOffToDxeCore (DxeCoreEntryPoint, HobList, &mPpiSignal);\r | |
268 | //\r | |
269 | // If we get here, then the DXE Core returned. This is an error\r | |
270 | // Dxe Core should not return.\r | |
271 | //\r | |
272 | ASSERT (FALSE);\r | |
273 | CpuDeadLoop ();\r | |
274 | \r | |
275 | return EFI_OUT_OF_RESOURCES;\r | |
276 | }\r | |
277 | \r | |
278 | \r | |
279 | STATIC\r | |
280 | EFI_STATUS\r | |
281 | GetFvAlignment (\r | |
282 | IN EFI_FIRMWARE_VOLUME_HEADER *FvHeader,\r | |
283 | OUT UINT32 *FvAlignment\r | |
284 | )\r | |
285 | {\r | |
286 | //\r | |
287 | // Because FvLength in FvHeader is UINT64 type, \r | |
288 | // so FvHeader must meed at least 8 bytes alignment.\r | |
289 | // Get the appropriate alignment requirement.\r | |
290 | // \r | |
291 | if ((FvHeader->Attributes & EFI_FVB2_ALIGNMENT) < EFI_FVB2_ALIGNMENT_8) {\r | |
292 | return EFI_UNSUPPORTED;\r | |
293 | }\r | |
294 | \r | |
295 | *FvAlignment = 1 << ((FvHeader->Attributes & EFI_FVB2_ALIGNMENT) >> 16);\r | |
296 | return EFI_SUCCESS;\r | |
297 | }\r | |
298 | \r | |
299 | /**\r | |
300 | Search EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE image and expand \r | |
301 | as memory FV \r | |
302 | \r | |
303 | @return EFI_OUT_OF_RESOURCES There are no memory space to exstract FV\r | |
304 | @return EFI_SUCESS Sucess to find the FV \r | |
305 | **/\r | |
306 | EFI_STATUS\r | |
307 | DxeIplAddEncapsulatedFirmwareVolumes (\r | |
308 | VOID\r | |
309 | )\r | |
310 | {\r | |
311 | EFI_STATUS Status;\r | |
312 | EFI_STATUS VolumeStatus;\r | |
313 | UINTN Index;\r | |
314 | EFI_FV_INFO VolumeInfo; \r | |
315 | EFI_PEI_FV_HANDLE VolumeHandle;\r | |
316 | EFI_PEI_FILE_HANDLE FileHandle;\r | |
317 | UINT32 SectionLength;\r | |
318 | EFI_FIRMWARE_VOLUME_HEADER *FvHeader;\r | |
319 | EFI_FIRMWARE_VOLUME_IMAGE_SECTION *SectionHeader;\r | |
320 | VOID *DstBuffer;\r | |
321 | UINT32 FvAlignment;\r | |
322 | \r | |
323 | Status = EFI_NOT_FOUND;\r | |
324 | Index = 0;\r | |
325 | \r | |
326 | do {\r | |
327 | VolumeStatus = DxeIplFindFirmwareVolumeInstance (\r | |
328 | &Index, \r | |
329 | EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE, \r | |
330 | &VolumeHandle, \r | |
331 | &FileHandle\r | |
332 | );\r | |
333 | \r | |
334 | if (!EFI_ERROR (VolumeStatus)) {\r | |
335 | Status = PeiServicesFfsFindSectionData (\r | |
336 | EFI_SECTION_FIRMWARE_VOLUME_IMAGE, \r | |
337 | (EFI_FFS_FILE_HEADER *)FileHandle, \r | |
338 | (VOID **)&FvHeader\r | |
339 | );\r | |
340 | \r | |
341 | if (!EFI_ERROR (Status)) {\r | |
342 | if (FvHeader->Signature == EFI_FVH_SIGNATURE) {\r | |
343 | //\r | |
344 | // Because FvLength in FvHeader is UINT64 type, \r | |
345 | // so FvHeader must meed at least 8 bytes alignment.\r | |
346 | // If current FvImage base address doesn't meet its alignment,\r | |
347 | // we need to reload this FvImage to another correct memory address.\r | |
348 | //\r | |
349 | Status = GetFvAlignment(FvHeader, &FvAlignment); \r | |
350 | if (EFI_ERROR(Status)) {\r | |
351 | return Status;\r | |
352 | }\r | |
353 | if (((UINTN) FvHeader % FvAlignment) != 0) {\r | |
354 | SectionHeader = (EFI_FIRMWARE_VOLUME_IMAGE_SECTION*)((UINTN)FvHeader - sizeof(EFI_FIRMWARE_VOLUME_IMAGE_SECTION));\r | |
355 | SectionLength = *(UINT32 *)SectionHeader->Size & 0x00FFFFFF;\r | |
356 | \r | |
357 | DstBuffer = AllocateAlignedPages (EFI_SIZE_TO_PAGES ((UINTN) SectionLength - sizeof (EFI_COMMON_SECTION_HEADER)), FvAlignment);\r | |
358 | if (DstBuffer == NULL) {\r | |
359 | return EFI_OUT_OF_RESOURCES;\r | |
360 | }\r | |
361 | CopyMem (DstBuffer, FvHeader, (UINTN) SectionLength - sizeof (EFI_COMMON_SECTION_HEADER));\r | |
362 | FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) DstBuffer; \r | |
363 | }\r | |
364 | \r | |
365 | //\r | |
366 | // This new Firmware Volume comes from a firmware file within a firmware volume.\r | |
367 | // Record the original Firmware Volume Name.\r | |
368 | //\r | |
369 | PeiServicesFfsGetVolumeInfo (&VolumeHandle, &VolumeInfo);\r | |
370 | \r | |
371 | PeiPiLibBuildPiFvInfoPpi (\r | |
372 | (EFI_PHYSICAL_ADDRESS) FvHeader,\r | |
373 | FvHeader->FvLength,\r | |
374 | &(VolumeInfo.FvName),\r | |
375 | &(((EFI_FFS_FILE_HEADER*)FileHandle)->Name)\r | |
376 | );\r | |
377 | \r | |
378 | ASSERT_EFI_ERROR (Status);\r | |
379 | \r | |
380 | //\r | |
381 | // Makes the encapsulated volume show up in DXE phase to skip processing of\r | |
382 | // encapsulated file again.\r | |
383 | //\r | |
384 | BuildFv2Hob (\r | |
385 | (EFI_PHYSICAL_ADDRESS)(UINTN)FvHeader,\r | |
386 | FvHeader->FvLength, \r | |
387 | &VolumeInfo.FvName,\r | |
388 | &(((EFI_FFS_FILE_HEADER *)FileHandle)->Name)\r | |
389 | );\r | |
390 | return Status;\r | |
391 | }\r | |
392 | }\r | |
393 | }\r | |
394 | } while (!EFI_ERROR (VolumeStatus));\r | |
395 | \r | |
396 | return Status;\r | |
397 | }\r | |
398 | \r | |
399 | /**\r | |
400 | Find the First Volume that contains the first FileType.\r | |
401 | \r | |
402 | @param Instance The Fv instance.\r | |
403 | @param SeachType The type of file to search.\r | |
404 | @param VolumeHandle Pointer to Fv which contains the file to search. \r | |
405 | @param FileHandle Pointer to FFS file to search.\r | |
406 | \r | |
407 | @return EFI_SUCESS Success to find the FFS in specificed FV\r | |
408 | @return others Fail to find the FFS in specificed FV\r | |
409 | */\r | |
410 | EFI_STATUS\r | |
411 | DxeIplFindFirmwareVolumeInstance (\r | |
412 | IN OUT UINTN *Instance,\r | |
413 | IN EFI_FV_FILETYPE SeachType,\r | |
414 | OUT EFI_PEI_FV_HANDLE *VolumeHandle,\r | |
415 | OUT EFI_PEI_FILE_HANDLE *FileHandle\r | |
416 | )\r | |
417 | {\r | |
418 | EFI_STATUS Status;\r | |
419 | EFI_STATUS VolumeStatus;\r | |
420 | \r | |
421 | do {\r | |
422 | VolumeStatus = PeiServicesFfsFindNextVolume (*Instance, VolumeHandle);\r | |
423 | if (!EFI_ERROR (VolumeStatus)) {\r | |
424 | *FileHandle = NULL;\r | |
425 | Status = PeiServicesFfsFindNextFile (SeachType, *VolumeHandle, FileHandle);\r | |
426 | if (!EFI_ERROR (Status)) {\r | |
427 | return Status;\r | |
428 | }\r | |
429 | }\r | |
430 | *Instance += 1;\r | |
431 | } while (!EFI_ERROR (VolumeStatus));\r | |
432 | \r | |
433 | return VolumeStatus;\r | |
434 | }\r | |
435 | \r | |
436 | /**\r | |
437 | Loads and relocates a PE/COFF image into memory.\r | |
438 | \r | |
439 | @param FileHandle The image file handle\r | |
440 | @param ImageAddress The base address of the relocated PE/COFF image\r | |
441 | @param ImageSize The size of the relocated PE/COFF image\r | |
442 | @param EntryPoint The entry point of the relocated PE/COFF image\r | |
443 | \r | |
444 | @return EFI_SUCCESS The file was loaded and relocated\r | |
445 | @return EFI_OUT_OF_RESOURCES There was not enough memory to load and relocate the PE/COFF file\r | |
446 | **/\r | |
447 | EFI_STATUS\r | |
448 | PeiLoadFile (\r | |
449 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
450 | OUT EFI_PHYSICAL_ADDRESS *ImageAddress,\r | |
451 | OUT UINT64 *ImageSize,\r | |
452 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint\r | |
453 | )\r | |
454 | {\r | |
455 | \r | |
456 | EFI_STATUS Status;\r | |
457 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r | |
458 | VOID *Pe32Data;\r | |
459 | EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader;\r | |
460 | \r | |
461 | PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol ();\r | |
462 | //\r | |
463 | // First try to find the required section in this ffs file.\r | |
464 | //\r | |
465 | Status = PeiServicesFfsFindSectionData (\r | |
466 | EFI_SECTION_PE32,\r | |
467 | FileHandle,\r | |
468 | &Pe32Data\r | |
469 | );\r | |
470 | \r | |
471 | if (EFI_ERROR (Status)) {\r | |
472 | Status = PeiServicesFfsFindSectionData (\r | |
473 | EFI_SECTION_TE,\r | |
474 | FileHandle,\r | |
475 | &Pe32Data\r | |
476 | );\r | |
477 | }\r | |
478 | \r | |
479 | if (EFI_ERROR (Status)) {\r | |
480 | //\r | |
481 | // NO image types we support so exit.\r | |
482 | //\r | |
483 | return Status;\r | |
484 | }\r | |
485 | \r | |
486 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
487 | ImageContext.Handle = Pe32Data;\r | |
488 | Status = GetImageReadFunction (&ImageContext);\r | |
489 | \r | |
490 | ASSERT_EFI_ERROR (Status);\r | |
491 | \r | |
492 | Status = PeiEfiPeiPeCoffLoader->GetImageInfo (PeiEfiPeiPeCoffLoader, &ImageContext);\r | |
493 | if (EFI_ERROR (Status)) {\r | |
494 | return Status;\r | |
495 | }\r | |
496 | //\r | |
497 | // Allocate Memory for the image\r | |
498 | //\r | |
499 | ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) AllocatePages (EFI_SIZE_TO_PAGES ((UINT32) ImageContext.ImageSize));\r | |
500 | ASSERT (ImageContext.ImageAddress != 0);\r | |
501 | \r | |
502 | //\r | |
503 | // Load the image to our new buffer\r | |
504 | //\r | |
505 | Status = PeiEfiPeiPeCoffLoader->LoadImage (PeiEfiPeiPeCoffLoader, &ImageContext);\r | |
506 | if (EFI_ERROR (Status)) {\r | |
507 | return Status;\r | |
508 | }\r | |
509 | //\r | |
510 | // Relocate the image in our new buffer\r | |
511 | //\r | |
512 | Status = PeiEfiPeiPeCoffLoader->RelocateImage (PeiEfiPeiPeCoffLoader, &ImageContext);\r | |
513 | if (EFI_ERROR (Status)) {\r | |
514 | return Status;\r | |
515 | }\r | |
516 | \r | |
517 | //\r | |
518 | // Flush the instruction cache so the image data is written before we execute it\r | |
519 | //\r | |
520 | InvalidateInstructionCacheRange ((VOID *)(UINTN)ImageContext.ImageAddress, (UINTN)ImageContext.ImageSize);\r | |
521 | \r | |
522 | *ImageAddress = ImageContext.ImageAddress;\r | |
523 | *ImageSize = ImageContext.ImageSize;\r | |
524 | *EntryPoint = ImageContext.EntryPoint;\r | |
525 | \r | |
526 | return EFI_SUCCESS;\r | |
527 | }\r | |
528 | \r | |
529 | /**\r | |
530 | The ExtractSection() function processes the input section and\r | |
531 | returns a pointer to the section contents. If the section being\r | |
532 | extracted does not require processing (if the section\r | |
533 | GuidedSectionHeader.Attributes has the\r | |
534 | EFI_GUIDED_SECTION_PROCESSING_REQUIRED field cleared), then\r | |
535 | OutputBuffer is just updated to point to the start of the\r | |
536 | section's contents. Otherwise, *Buffer must be allocated\r | |
537 | from PEI permanent memory.\r | |
538 | \r | |
539 | @param This Indicates the\r | |
540 | EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI instance.\r | |
541 | Buffer containing the input GUIDed section to be\r | |
542 | processed. OutputBuffer OutputBuffer is\r | |
543 | allocated from PEI permanent memory and contains\r | |
544 | the new section stream.\r | |
545 | \r | |
546 | @param OutputSize A pointer to a caller-allocated\r | |
547 | UINTN in which the size of *OutputBuffer\r | |
548 | allocation is stored. If the function\r | |
549 | returns anything other than EFI_SUCCESS,\r | |
550 | the value of OutputSize is undefined.\r | |
551 | \r | |
552 | @param AuthenticationStatus A pointer to a caller-allocated\r | |
553 | UINT32 that indicates the\r | |
554 | authentication status of the\r | |
555 | output buffer. If the input\r | |
556 | section's GuidedSectionHeader.\r | |
557 | Attributes field has the\r | |
558 | EFI_GUIDED_SECTION_AUTH_STATUS_VALID \r | |
559 | bit as clear,\r | |
560 | AuthenticationStatus must return\r | |
561 | zero. These bits reflect the\r | |
562 | status of the extraction\r | |
563 | operation. If the function\r | |
564 | returns anything other than\r | |
565 | EFI_SUCCESS, the value of\r | |
566 | AuthenticationStatus is\r | |
567 | undefined.\r | |
568 | \r | |
569 | @retval EFI_SUCCESS The InputSection was\r | |
570 | successfully processed and the\r | |
571 | section contents were returned.\r | |
572 | \r | |
573 | @retval EFI_OUT_OF_RESOURCES The system has insufficient\r | |
574 | resources to process the request.\r | |
575 | \r | |
576 | @reteval EFI_INVALID_PARAMETER The GUID in InputSection does\r | |
577 | not match this instance of the\r | |
578 | GUIDed Section Extraction PPI.\r | |
579 | **/\r | |
580 | EFI_STATUS\r | |
581 | CustomDecompressExtractSection (\r | |
582 | IN CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *This,\r | |
583 | IN CONST VOID *InputSection,\r | |
584 | OUT VOID **OutputBuffer,\r | |
585 | OUT UINTN *OutputSize,\r | |
586 | OUT UINT32 *AuthenticationStatus\r | |
587 | )\r | |
588 | {\r | |
589 | EFI_STATUS Status;\r | |
590 | UINT8 *ScratchBuffer;\r | |
591 | UINT32 ScratchSize;\r | |
592 | UINT32 SectionLength;\r | |
593 | UINT32 DestinationSize; \r | |
594 | \r | |
595 | //\r | |
596 | // Set authentic value to zero.\r | |
597 | //\r | |
598 | *AuthenticationStatus = 0;\r | |
599 | //\r | |
600 | // Calculate Section data Size\r | |
601 | //\r | |
602 | SectionLength = *(UINT32 *) (((EFI_COMMON_SECTION_HEADER *) InputSection)->Size) & 0x00ffffff;\r | |
603 | //\r | |
604 | // Get compressed data information\r | |
605 | //\r | |
606 | Status = CustomDecompressGetInfo (\r | |
607 | (GUID *) ((UINT8 *) InputSection + sizeof (EFI_COMMON_SECTION_HEADER)),\r | |
608 | (UINT8 *) InputSection + sizeof (EFI_GUID_DEFINED_SECTION),\r | |
609 | SectionLength - sizeof (EFI_GUID_DEFINED_SECTION),\r | |
610 | &DestinationSize,\r | |
611 | &ScratchSize\r | |
612 | );\r | |
613 | if (EFI_ERROR (Status)) {\r | |
614 | //\r | |
615 | // GetInfo failed\r | |
616 | //\r | |
617 | DEBUG ((EFI_D_ERROR, "Extract guided section Failed - %r\n", Status));\r | |
618 | return Status;\r | |
619 | }\r | |
620 | \r | |
621 | //\r | |
622 | // Allocate scratch buffer\r | |
623 | //\r | |
624 | ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchSize));\r | |
625 | if (ScratchBuffer == NULL) {\r | |
626 | return EFI_OUT_OF_RESOURCES;\r | |
627 | }\r | |
628 | //\r | |
629 | // Allocate destination buffer\r | |
630 | //\r | |
631 | *OutputSize = (UINTN) DestinationSize;\r | |
632 | *OutputBuffer = AllocatePages (EFI_SIZE_TO_PAGES (*OutputSize));\r | |
633 | if (*OutputBuffer == NULL) {\r | |
634 | return EFI_OUT_OF_RESOURCES;\r | |
635 | }\r | |
636 | \r | |
637 | //\r | |
638 | // Call decompress function\r | |
639 | //\r | |
640 | Status = CustomDecompress (\r | |
641 | (GUID *) ((UINT8 *) InputSection + sizeof (EFI_COMMON_SECTION_HEADER)),\r | |
642 | (UINT8 *) InputSection + sizeof (EFI_GUID_DEFINED_SECTION),\r | |
643 | *OutputBuffer,\r | |
644 | ScratchBuffer\r | |
645 | );\r | |
646 | \r | |
647 | if (EFI_ERROR (Status)) {\r | |
648 | //\r | |
649 | // Decompress failed\r | |
650 | //\r | |
651 | DEBUG ((EFI_D_ERROR, "Extract guided section Failed - %r\n", Status));\r | |
652 | return Status;\r | |
653 | }\r | |
654 | \r | |
655 | return EFI_SUCCESS;\r | |
656 | }\r | |
657 | \r | |
658 | STATIC\r | |
659 | EFI_STATUS\r | |
660 | EFIAPI \r | |
661 | Decompress (\r | |
662 | IN CONST EFI_PEI_DECOMPRESS_PPI *This,\r | |
663 | IN CONST EFI_COMPRESSION_SECTION *CompressionSection,\r | |
664 | OUT VOID **OutputBuffer,\r | |
665 | OUT UINTN *OutputSize\r | |
666 | )\r | |
667 | {\r | |
668 | EFI_STATUS Status;\r | |
669 | UINT8 *DstBuffer;\r | |
670 | UINT8 *ScratchBuffer;\r | |
671 | UINTN DstBufferSize;\r | |
672 | UINT32 ScratchBufferSize;\r | |
673 | EFI_COMMON_SECTION_HEADER *Section;\r | |
674 | UINTN SectionLength;\r | |
675 | \r | |
676 | if (CompressionSection->CommonHeader.Type != EFI_SECTION_COMPRESSION) {\r | |
677 | ASSERT (FALSE);\r | |
678 | return EFI_INVALID_PARAMETER;\r | |
679 | }\r | |
680 | \r | |
681 | Section = (EFI_COMMON_SECTION_HEADER *) CompressionSection;\r | |
682 | SectionLength = *(UINT32 *) (Section->Size) & 0x00ffffff;\r | |
683 | \r | |
684 | //\r | |
685 | // This is a compression set, expand it\r | |
686 | //\r | |
687 | switch (CompressionSection->CompressionType) {\r | |
688 | case EFI_STANDARD_COMPRESSION:\r | |
689 | //\r | |
690 | // Load EFI standard compression.\r | |
691 | // For compressed data, decompress them to dstbuffer.\r | |
692 | //\r | |
693 | Status = UefiDecompressGetInfo (\r | |
694 | (UINT8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),\r | |
695 | (UINT32) SectionLength - sizeof (EFI_COMPRESSION_SECTION),\r | |
696 | (UINT32 *) &DstBufferSize,\r | |
697 | &ScratchBufferSize\r | |
698 | );\r | |
699 | if (EFI_ERROR (Status)) {\r | |
700 | //\r | |
701 | // GetInfo failed\r | |
702 | //\r | |
703 | DEBUG ((EFI_D_ERROR, "Decompress GetInfo Failed - %r\n", Status));\r | |
704 | return EFI_NOT_FOUND;\r | |
705 | }\r | |
706 | //\r | |
707 | // Allocate scratch buffer\r | |
708 | //\r | |
709 | ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize));\r | |
710 | if (ScratchBuffer == NULL) {\r | |
711 | return EFI_OUT_OF_RESOURCES;\r | |
712 | }\r | |
713 | //\r | |
714 | // Allocate destination buffer\r | |
715 | //\r | |
716 | DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));\r | |
717 | if (DstBuffer == NULL) {\r | |
718 | return EFI_OUT_OF_RESOURCES;\r | |
719 | }\r | |
720 | //\r | |
721 | // Call decompress function\r | |
722 | //\r | |
723 | Status = UefiDecompress (\r | |
724 | (CHAR8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),\r | |
725 | DstBuffer,\r | |
726 | ScratchBuffer\r | |
727 | );\r | |
728 | if (EFI_ERROR (Status)) {\r | |
729 | //\r | |
730 | // Decompress failed\r | |
731 | //\r | |
732 | DEBUG ((EFI_D_ERROR, "Decompress Failed - %r\n", Status));\r | |
733 | return EFI_NOT_FOUND;\r | |
734 | }\r | |
735 | break;\r | |
736 | \r | |
737 | // porting note the original branch for customized compress is removed, it should be change to use GUID compress\r | |
738 | \r | |
739 | case EFI_NOT_COMPRESSED:\r | |
740 | //\r | |
741 | // Allocate destination buffer\r | |
742 | //\r | |
743 | DstBufferSize = CompressionSection->UncompressedLength;\r | |
744 | DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));\r | |
745 | if (DstBuffer == NULL) {\r | |
746 | return EFI_OUT_OF_RESOURCES;\r | |
747 | }\r | |
748 | //\r | |
749 | // stream is not actually compressed, just encapsulated. So just copy it.\r | |
750 | //\r | |
751 | CopyMem (DstBuffer, CompressionSection + 1, DstBufferSize);\r | |
752 | break;\r | |
753 | \r | |
754 | default:\r | |
755 | //\r | |
756 | // Don't support other unknown compression type.\r | |
757 | //\r | |
758 | ASSERT (FALSE);\r | |
759 | return EFI_NOT_FOUND;\r | |
760 | }\r | |
761 | \r | |
762 | *OutputSize = DstBufferSize;\r | |
763 | *OutputBuffer = DstBuffer;\r | |
764 | \r | |
765 | return EFI_SUCCESS;\r | |
766 | }\r | |
767 | \r |