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96226baa | 1 | /** @file\r |
b0d803fe | 2 | Last PEIM.\r |
3 | Responsibility of this module is to load the DXE Core from a Firmware Volume.\r | |
95276127 | 4 | \r |
96226baa | 5 | Copyright (c) 2006 - 2008, Intel Corporation. <BR>\r |
95276127 | 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 | |
b0d803fe | 14 | **/\r |
95276127 | 15 | \r |
95276127 | 16 | #include "DxeIpl.h"\r |
d8c79a81 | 17 | #include <Ppi/GuidedSectionExtraction.h>\r |
95276127 | 18 | \r |
d8c79a81 | 19 | EFI_STATUS\r |
18fd8d65 | 20 | CustomGuidedSectionExtract (\r |
d8c79a81 LG |
21 | IN CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *This,\r |
22 | IN CONST VOID *InputSection,\r | |
23 | OUT VOID **OutputBuffer,\r | |
24 | OUT UINTN *OutputSize,\r | |
25 | OUT UINT32 *AuthenticationStatus\r | |
26 | );\r | |
27 | \r | |
b0d803fe | 28 | STATIC\r |
29 | EFI_STATUS\r | |
30 | EFIAPI \r | |
31 | Decompress (\r | |
32 | IN CONST EFI_PEI_DECOMPRESS_PPI *This,\r | |
33 | IN CONST EFI_COMPRESSION_SECTION *InputSection,\r | |
34 | OUT VOID **OutputBuffer,\r | |
35 | OUT UINTN *OutputSize\r | |
36 | );\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 | |
18fd8d65 LG |
49 | STATIC EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI mCustomGuidedSectionExtractionPpi = {\r |
50 | CustomGuidedSectionExtract\r | |
95276127 | 51 | };\r |
52 | \r | |
b0d803fe | 53 | STATIC EFI_PEI_DECOMPRESS_PPI mDecompressPpi = {\r |
54 | Decompress\r | |
d8c79a81 LG |
55 | };\r |
56 | \r | |
95276127 | 57 | static EFI_PEI_PPI_DESCRIPTOR mPpiList[] = {\r |
58 | {\r | |
b0d803fe | 59 | EFI_PEI_PPI_DESCRIPTOR_PPI,\r |
60 | &gEfiDxeIplPpiGuid,\r | |
61 | &mDxeIplPpi\r | |
95276127 | 62 | },\r |
63 | {\r | |
b0d803fe | 64 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r |
65 | &gEfiPeiDecompressPpiGuid,\r | |
66 | &mDecompressPpi\r | |
95276127 | 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 | |
b0d803fe | 76 | /**\r |
77 | Initializes the Dxe Ipl PPI\r | |
78 | \r | |
79 | @param FfsHandle The handle of FFS file.\r | |
80 | @param PeiServices General purpose services available to\r | |
81 | every PEIM.\r | |
82 | @return EFI_SUCESS \r | |
83 | */ \r | |
95276127 | 84 | EFI_STATUS\r |
85 | EFIAPI\r | |
86 | PeimInitializeDxeIpl (\r | |
b0d803fe | 87 | IN EFI_PEI_FILE_HANDLE FfsHandle,\r |
95276127 | 88 | IN EFI_PEI_SERVICES **PeiServices\r |
89 | )\r | |
95276127 | 90 | {\r |
91 | EFI_STATUS Status;\r | |
95276127 | 92 | EFI_BOOT_MODE BootMode;\r |
18fd8d65 LG |
93 | EFI_GUID *ExtractHandlerGuidTable;\r |
94 | UINTN ExtractHandlerNumber;\r | |
d8c79a81 LG |
95 | EFI_PEI_PPI_DESCRIPTOR *GuidPpi;\r |
96 | \r | |
95276127 | 97 | Status = PeiServicesGetBootMode (&BootMode);\r |
98 | ASSERT_EFI_ERROR (Status);\r | |
99 | \r | |
b0d803fe | 100 | if (BootMode != BOOT_ON_S3_RESUME) {\r |
101 | Status = PeiServicesRegisterForShadow (FfsHandle);\r | |
102 | if (Status == EFI_SUCCESS) {\r | |
b0d803fe | 103 | //\r |
104 | // EFI_SUCESS means the first time call register for shadow \r | |
105 | // \r | |
106 | return Status;\r | |
107 | } else if (Status == EFI_ALREADY_STARTED) {\r | |
5516d05a | 108 | \r |
109 | gInMemory = TRUE;\r | |
110 | \r | |
b0d803fe | 111 | //\r |
18fd8d65 | 112 | // Get custom extract guided section method guid list \r |
b0d803fe | 113 | //\r |
18fd8d65 | 114 | ExtractHandlerNumber = ExtractGuidedSectionGetGuidList (&ExtractHandlerGuidTable);\r |
b0d803fe | 115 | \r |
116 | //\r | |
18fd8d65 | 117 | // Install custom extraction guid ppi\r |
b0d803fe | 118 | //\r |
18fd8d65 | 119 | if (ExtractHandlerNumber > 0) {\r |
b0d803fe | 120 | GuidPpi = NULL;\r |
18fd8d65 | 121 | GuidPpi = (EFI_PEI_PPI_DESCRIPTOR *) AllocatePool (ExtractHandlerNumber * sizeof (EFI_PEI_PPI_DESCRIPTOR));\r |
b0d803fe | 122 | ASSERT (GuidPpi != NULL);\r |
18fd8d65 | 123 | while (ExtractHandlerNumber-- > 0) {\r |
b0d803fe | 124 | GuidPpi->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;\r |
18fd8d65 LG |
125 | GuidPpi->Ppi = &mCustomGuidedSectionExtractionPpi;\r |
126 | GuidPpi->Guid = &(ExtractHandlerGuidTable [ExtractHandlerNumber]);\r | |
b0d803fe | 127 | Status = PeiServicesInstallPpi (GuidPpi++);\r |
128 | ASSERT_EFI_ERROR(Status);\r | |
129 | }\r | |
130 | }\r | |
131 | } else {\r | |
fb8749d0 | 132 | ASSERT (FALSE);\r |
d8c79a81 | 133 | }\r |
95276127 | 134 | }\r |
135 | \r | |
b0d803fe | 136 | //\r |
288f9b38 | 137 | // Install DxeIpl and Decompress PPIs.\r |
b0d803fe | 138 | //\r |
139 | Status = PeiServicesInstallPpi (mPpiList);\r | |
288f9b38 LG |
140 | ASSERT_EFI_ERROR(Status);\r |
141 | \r | |
95276127 | 142 | return Status;\r |
143 | }\r | |
144 | \r | |
b0d803fe | 145 | /**\r |
146 | Main entry point to last PEIM \r | |
147 | \r | |
148 | @param This Entry point for DXE IPL PPI\r | |
149 | @param PeiServices General purpose services available to every PEIM.\r | |
150 | @param HobList Address to the Pei HOB list\r | |
151 | \r | |
152 | @return EFI_SUCCESS DXE core was successfully loaded. \r | |
153 | @return EFI_OUT_OF_RESOURCES There are not enough resources to load DXE core.\r | |
154 | **/\r | |
95276127 | 155 | EFI_STATUS\r |
156 | EFIAPI\r | |
157 | DxeLoadCore (\r | |
158 | IN EFI_DXE_IPL_PPI *This,\r | |
159 | IN EFI_PEI_SERVICES **PeiServices,\r | |
160 | IN EFI_PEI_HOB_POINTERS HobList\r | |
161 | )\r | |
95276127 | 162 | {\r |
163 | EFI_STATUS Status;\r | |
164 | EFI_GUID DxeCoreFileName;\r | |
95276127 | 165 | EFI_PHYSICAL_ADDRESS DxeCoreAddress;\r |
166 | UINT64 DxeCoreSize;\r | |
167 | EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint;\r | |
95276127 | 168 | EFI_BOOT_MODE BootMode;\r |
b0d803fe | 169 | EFI_PEI_FILE_HANDLE FileHandle;\r |
b74350e9 | 170 | EFI_PEI_READ_ONLY_VARIABLE2_PPI *Variable;\r |
171 | UINTN DataSize;\r | |
172 | EFI_MEMORY_TYPE_INFORMATION MemoryData [EfiMaxMemoryType + 1];\r | |
95276127 | 173 | \r |
174 | //\r | |
175 | // if in S3 Resume, restore configure\r | |
176 | //\r | |
177 | Status = PeiServicesGetBootMode (&BootMode);\r | |
178 | ASSERT_EFI_ERROR(Status);\r | |
179 | \r | |
180 | if (BootMode == BOOT_ON_S3_RESUME) {\r | |
e8da1266 | 181 | Status = AcpiS3ResumeOs();\r |
95276127 | 182 | ASSERT_EFI_ERROR (Status);\r |
183 | } else if (BootMode == BOOT_IN_RECOVERY_MODE) {\r | |
e8da1266 | 184 | Status = PeiRecoverFirmware ();\r |
95276127 | 185 | if (EFI_ERROR (Status)) {\r |
186 | DEBUG ((EFI_D_ERROR, "Load Recovery Capsule Failed.(Status = %r)\n", Status));\r | |
187 | CpuDeadLoop ();\r | |
188 | }\r | |
189 | \r | |
190 | //\r | |
191 | // Now should have a HOB with the DXE core w/ the old HOB destroyed\r | |
192 | //\r | |
193 | }\r | |
288f9b38 | 194 | \r |
b74350e9 | 195 | Status = PeiServicesLocatePpi (\r |
196 | &gEfiPeiReadOnlyVariable2PpiGuid,\r | |
197 | 0,\r | |
198 | NULL,\r | |
199 | (VOID **)&Variable\r | |
200 | );\r | |
201 | ASSERT_EFI_ERROR (Status);\r | |
202 | \r | |
203 | DataSize = sizeof (MemoryData);\r | |
204 | Status = Variable->GetVariable ( \r | |
205 | Variable, \r | |
206 | EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME,\r | |
207 | &gEfiMemoryTypeInformationGuid,\r | |
208 | NULL,\r | |
209 | &DataSize,\r | |
210 | &MemoryData\r | |
211 | );\r | |
212 | \r | |
213 | if (!EFI_ERROR (Status)) {\r | |
214 | //\r | |
215 | // Build the GUID'd HOB for DXE\r | |
216 | //\r | |
217 | BuildGuidDataHob (\r | |
218 | &gEfiMemoryTypeInformationGuid,\r | |
219 | MemoryData,\r | |
220 | DataSize\r | |
221 | );\r | |
222 | }\r | |
288f9b38 | 223 | \r |
95276127 | 224 | //\r |
b0d803fe | 225 | // Look in all the FVs present in PEI and find the DXE Core\r |
95276127 | 226 | //\r |
288f9b38 LG |
227 | FileHandle = NULL;\r |
228 | Status = DxeIplFindDxeCore (&FileHandle);\r | |
95276127 | 229 | ASSERT_EFI_ERROR (Status);\r |
230 | \r | |
b0d803fe | 231 | CopyMem(&DxeCoreFileName, &(((EFI_FFS_FILE_HEADER*)FileHandle)->Name), sizeof (EFI_GUID));\r |
232 | \r | |
95276127 | 233 | //\r |
6b978d16 | 234 | // Load the DXE Core from a Firmware Volume, may use LoadFile ppi to do this for save code size.\r |
95276127 | 235 | //\r |
236 | Status = PeiLoadFile (\r | |
b0d803fe | 237 | FileHandle,\r |
238 | &DxeCoreAddress,\r | |
239 | &DxeCoreSize,\r | |
240 | &DxeCoreEntryPoint\r | |
241 | );\r | |
242 | \r | |
95276127 | 243 | ASSERT_EFI_ERROR (Status);\r |
244 | \r | |
245 | //\r | |
246 | // Add HOB for the DXE Core\r | |
247 | //\r | |
248 | BuildModuleHob (\r | |
249 | &DxeCoreFileName,\r | |
250 | DxeCoreAddress,\r | |
0a7d0741 | 251 | EFI_SIZE_TO_PAGES ((UINT32) DxeCoreSize) * EFI_PAGE_SIZE,\r |
95276127 | 252 | DxeCoreEntryPoint\r |
253 | );\r | |
254 | \r | |
255 | //\r | |
256 | // Report Status Code EFI_SW_PEI_PC_HANDOFF_TO_NEXT\r | |
257 | //\r | |
258 | REPORT_STATUS_CODE (\r | |
259 | EFI_PROGRESS_CODE,\r | |
797a9d67 | 260 | PcdGet32(PcdStatusCodeValuePeiHandoffToDxe)\r |
95276127 | 261 | );\r |
262 | \r | |
e98cd821 LG |
263 | DEBUG_CODE_BEGIN ();\r |
264 | \r | |
265 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION PtrPeImage;\r | |
266 | PtrPeImage.Pe32 = (EFI_IMAGE_NT_HEADERS32 *) ((UINTN) DxeCoreAddress + ((EFI_IMAGE_DOS_HEADER *) (UINTN) DxeCoreAddress)->e_lfanew);\r | |
267 | \r | |
268 | if (PtrPeImage.Pe32->FileHeader.Machine != IMAGE_FILE_MACHINE_IA64) {\r | |
a85e7bfc | 269 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading DXE CORE at 0x%10p EntryPoint=0x%10p\n", (VOID *)(UINTN)DxeCoreAddress, (VOID *)(UINTN)DxeCoreEntryPoint));\r |
e98cd821 LG |
270 | } else {\r |
271 | //\r | |
272 | // For IPF Image, the real entry point should be print.\r | |
273 | //\r | |
a85e7bfc | 274 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading DXE CORE at 0x%10p EntryPoint=0x%10p\n", (VOID *)(UINTN)DxeCoreAddress, (VOID *)(UINTN)(*(UINT64 *)(UINTN)DxeCoreEntryPoint)));\r |
e98cd821 LG |
275 | }\r |
276 | \r | |
277 | DEBUG_CODE_END ();\r | |
95276127 | 278 | //\r |
279 | // Transfer control to the DXE Core\r | |
280 | // The handoff state is simply a pointer to the HOB list\r | |
281 | //\r | |
95276127 | 282 | HandOffToDxeCore (DxeCoreEntryPoint, HobList, &mPpiSignal);\r |
283 | //\r | |
284 | // If we get here, then the DXE Core returned. This is an error\r | |
285 | // Dxe Core should not return.\r | |
286 | //\r | |
287 | ASSERT (FALSE);\r | |
288 | CpuDeadLoop ();\r | |
289 | \r | |
290 | return EFI_OUT_OF_RESOURCES;\r | |
291 | }\r | |
292 | \r | |
b0d803fe | 293 | /**\r |
288f9b38 | 294 | Find DxeCore driver from all First Volumes.\r |
b0d803fe | 295 | \r |
b0d803fe | 296 | @param FileHandle Pointer to FFS file to search.\r |
297 | \r | |
298 | @return EFI_SUCESS Success to find the FFS in specificed FV\r | |
299 | @return others Fail to find the FFS in specificed FV\r | |
300 | */\r | |
301 | EFI_STATUS\r | |
288f9b38 | 302 | DxeIplFindDxeCore (\r |
b0d803fe | 303 | OUT EFI_PEI_FILE_HANDLE *FileHandle\r |
304 | )\r | |
95276127 | 305 | {\r |
288f9b38 LG |
306 | EFI_STATUS Status;\r |
307 | EFI_STATUS FileStatus;\r | |
308 | UINTN Instance;\r | |
309 | EFI_PEI_FV_HANDLE VolumeHandle;\r | |
310 | \r | |
311 | Instance = 0;\r | |
312 | *FileHandle = NULL;\r | |
95276127 | 313 | \r |
b0d803fe | 314 | do {\r |
288f9b38 LG |
315 | Status = PeiServicesFfsFindNextVolume (Instance++, &VolumeHandle);\r |
316 | if (!EFI_ERROR (Status)) {\r | |
317 | FileStatus = PeiServicesFfsFindNextFile (EFI_FV_FILETYPE_DXE_CORE, VolumeHandle, FileHandle);\r | |
318 | if (!EFI_ERROR (FileStatus)) {\r | |
319 | return FileStatus;\r | |
95276127 | 320 | }\r |
321 | }\r | |
288f9b38 | 322 | } while (!EFI_ERROR (Status));\r |
b0d803fe | 323 | \r |
288f9b38 | 324 | return EFI_NOT_FOUND;\r |
95276127 | 325 | }\r |
326 | \r | |
b0d803fe | 327 | /**\r |
328 | Loads and relocates a PE/COFF image into memory.\r | |
329 | \r | |
330 | @param FileHandle The image file handle\r | |
331 | @param ImageAddress The base address of the relocated PE/COFF image\r | |
332 | @param ImageSize The size of the relocated PE/COFF image\r | |
333 | @param EntryPoint The entry point of the relocated PE/COFF image\r | |
334 | \r | |
335 | @return EFI_SUCCESS The file was loaded and relocated\r | |
336 | @return EFI_OUT_OF_RESOURCES There was not enough memory to load and relocate the PE/COFF file\r | |
337 | **/\r | |
95276127 | 338 | EFI_STATUS\r |
339 | PeiLoadFile (\r | |
b0d803fe | 340 | IN EFI_PEI_FILE_HANDLE FileHandle,\r |
95276127 | 341 | OUT EFI_PHYSICAL_ADDRESS *ImageAddress,\r |
342 | OUT UINT64 *ImageSize,\r | |
343 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint\r | |
344 | )\r | |
b0d803fe | 345 | {\r |
95276127 | 346 | \r |
b0d803fe | 347 | EFI_STATUS Status;\r |
348 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r | |
349 | VOID *Pe32Data;\r | |
b0d803fe | 350 | //\r |
6b978d16 | 351 | // First try to find the PE32 section in this ffs file.\r |
b0d803fe | 352 | //\r |
353 | Status = PeiServicesFfsFindSectionData (\r | |
354 | EFI_SECTION_PE32,\r | |
355 | FileHandle,\r | |
356 | &Pe32Data\r | |
357 | );\r | |
b0d803fe | 358 | \r |
359 | if (EFI_ERROR (Status)) {\r | |
360 | //\r | |
361 | // NO image types we support so exit.\r | |
362 | //\r | |
363 | return Status;\r | |
364 | }\r | |
95276127 | 365 | \r |
366 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
367 | ImageContext.Handle = Pe32Data;\r | |
368 | Status = GetImageReadFunction (&ImageContext);\r | |
369 | \r | |
370 | ASSERT_EFI_ERROR (Status);\r | |
371 | \r | |
3d7b0992 | 372 | Status = PeCoffLoaderGetImageInfo (&ImageContext);\r |
95276127 | 373 | if (EFI_ERROR (Status)) {\r |
374 | return Status;\r | |
375 | }\r | |
376 | //\r | |
377 | // Allocate Memory for the image\r | |
378 | //\r | |
379 | ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) AllocatePages (EFI_SIZE_TO_PAGES ((UINT32) ImageContext.ImageSize));\r | |
380 | ASSERT (ImageContext.ImageAddress != 0);\r | |
381 | \r | |
382 | //\r | |
383 | // Load the image to our new buffer\r | |
384 | //\r | |
3d7b0992 | 385 | Status = PeCoffLoaderLoadImage (&ImageContext);\r |
95276127 | 386 | if (EFI_ERROR (Status)) {\r |
387 | return Status;\r | |
388 | }\r | |
389 | //\r | |
390 | // Relocate the image in our new buffer\r | |
391 | //\r | |
3d7b0992 | 392 | Status = PeCoffLoaderRelocateImage (&ImageContext);\r |
95276127 | 393 | if (EFI_ERROR (Status)) {\r |
394 | return Status;\r | |
395 | }\r | |
396 | \r | |
397 | //\r | |
398 | // Flush the instruction cache so the image data is written before we execute it\r | |
399 | //\r | |
400 | InvalidateInstructionCacheRange ((VOID *)(UINTN)ImageContext.ImageAddress, (UINTN)ImageContext.ImageSize);\r | |
401 | \r | |
402 | *ImageAddress = ImageContext.ImageAddress;\r | |
403 | *ImageSize = ImageContext.ImageSize;\r | |
404 | *EntryPoint = ImageContext.EntryPoint;\r | |
405 | \r | |
406 | return EFI_SUCCESS;\r | |
407 | }\r | |
408 | \r | |
d8c79a81 LG |
409 | /**\r |
410 | The ExtractSection() function processes the input section and\r | |
411 | returns a pointer to the section contents. If the section being\r | |
412 | extracted does not require processing (if the section\r | |
413 | GuidedSectionHeader.Attributes has the\r | |
414 | EFI_GUIDED_SECTION_PROCESSING_REQUIRED field cleared), then\r | |
415 | OutputBuffer is just updated to point to the start of the\r | |
416 | section's contents. Otherwise, *Buffer must be allocated\r | |
417 | from PEI permanent memory.\r | |
418 | \r | |
419 | @param This Indicates the\r | |
420 | EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI instance.\r | |
421 | Buffer containing the input GUIDed section to be\r | |
422 | processed. OutputBuffer OutputBuffer is\r | |
423 | allocated from PEI permanent memory and contains\r | |
424 | the new section stream.\r | |
425 | \r | |
426 | @param OutputSize A pointer to a caller-allocated\r | |
427 | UINTN in which the size of *OutputBuffer\r | |
428 | allocation is stored. If the function\r | |
429 | returns anything other than EFI_SUCCESS,\r | |
430 | the value of OutputSize is undefined.\r | |
431 | \r | |
432 | @param AuthenticationStatus A pointer to a caller-allocated\r | |
433 | UINT32 that indicates the\r | |
434 | authentication status of the\r | |
435 | output buffer. If the input\r | |
436 | section's GuidedSectionHeader.\r | |
437 | Attributes field has the\r | |
438 | EFI_GUIDED_SECTION_AUTH_STATUS_VALID \r | |
439 | bit as clear,\r | |
440 | AuthenticationStatus must return\r | |
441 | zero. These bits reflect the\r | |
442 | status of the extraction\r | |
443 | operation. If the function\r | |
444 | returns anything other than\r | |
445 | EFI_SUCCESS, the value of\r | |
446 | AuthenticationStatus is\r | |
447 | undefined.\r | |
448 | \r | |
449 | @retval EFI_SUCCESS The InputSection was\r | |
450 | successfully processed and the\r | |
451 | section contents were returned.\r | |
452 | \r | |
453 | @retval EFI_OUT_OF_RESOURCES The system has insufficient\r | |
454 | resources to process the request.\r | |
455 | \r | |
456 | @reteval EFI_INVALID_PARAMETER The GUID in InputSection does\r | |
457 | not match this instance of the\r | |
458 | GUIDed Section Extraction PPI.\r | |
459 | **/\r | |
460 | EFI_STATUS\r | |
18fd8d65 | 461 | CustomGuidedSectionExtract (\r |
d8c79a81 LG |
462 | IN CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *This,\r |
463 | IN CONST VOID *InputSection,\r | |
464 | OUT VOID **OutputBuffer,\r | |
465 | OUT UINTN *OutputSize,\r | |
466 | OUT UINT32 *AuthenticationStatus\r | |
467 | )\r | |
468 | {\r | |
469 | EFI_STATUS Status;\r | |
470 | UINT8 *ScratchBuffer;\r | |
18fd8d65 LG |
471 | UINT32 ScratchBufferSize;\r |
472 | UINT32 OutputBufferSize;\r | |
473 | UINT16 SectionAttribute;\r | |
d8c79a81 LG |
474 | \r |
475 | //\r | |
18fd8d65 | 476 | // Init local variable\r |
d8c79a81 | 477 | //\r |
18fd8d65 LG |
478 | ScratchBuffer = NULL;\r |
479 | \r | |
d8c79a81 | 480 | //\r |
18fd8d65 | 481 | // Call GetInfo to get the size and attribute of input guided section data.\r |
d8c79a81 | 482 | //\r |
18fd8d65 LG |
483 | Status = ExtractGuidedSectionGetInfo (\r |
484 | InputSection,\r | |
485 | &OutputBufferSize,\r | |
486 | &ScratchBufferSize,\r | |
487 | &SectionAttribute\r | |
488 | );\r | |
489 | \r | |
d8c79a81 | 490 | if (EFI_ERROR (Status)) {\r |
18fd8d65 LG |
491 | DEBUG ((EFI_D_ERROR, "GetInfo from guided section Failed - %r\n", Status));\r |
492 | return Status;\r | |
493 | }\r | |
494 | \r | |
495 | if (ScratchBufferSize != 0) {\r | |
95276127 | 496 | //\r |
18fd8d65 | 497 | // Allocate scratch buffer\r |
95276127 | 498 | //\r |
18fd8d65 LG |
499 | ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize));\r |
500 | if (ScratchBuffer == NULL) {\r | |
501 | return EFI_OUT_OF_RESOURCES;\r | |
502 | }\r | |
d8c79a81 | 503 | }\r |
95276127 | 504 | \r |
18fd8d65 LG |
505 | if ((SectionAttribute & EFI_GUIDED_SECTION_PROCESSING_REQUIRED) && OutputBufferSize > 0) { \r |
506 | //\r | |
507 | // Allocate output buffer\r | |
508 | //\r | |
288f9b38 | 509 | *OutputBuffer = AllocatePages (EFI_SIZE_TO_PAGES (OutputBufferSize) + 1);\r |
18fd8d65 LG |
510 | if (*OutputBuffer == NULL) {\r |
511 | return EFI_OUT_OF_RESOURCES;\r | |
512 | }\r | |
288f9b38 LG |
513 | DEBUG ((EFI_D_INFO, "Customed Guided section Memory Size required is 0x%x and address is 0x%p\n", OutputBufferSize, *OutputBuffer));\r |
514 | //\r | |
515 | // *OutputBuffer still is one section. Adjust *OutputBuffer offset, \r | |
516 | // skip EFI section header to make section data at page alignment.\r | |
517 | //\r | |
518 | *OutputBuffer = (VOID *)((UINT8 *) *OutputBuffer + EFI_PAGE_SIZE - sizeof (EFI_COMMON_SECTION_HEADER));\r | |
95276127 | 519 | }\r |
18fd8d65 LG |
520 | \r |
521 | Status = ExtractGuidedSectionDecode (\r | |
522 | InputSection, \r | |
523 | OutputBuffer,\r | |
524 | ScratchBuffer,\r | |
525 | AuthenticationStatus\r | |
526 | );\r | |
95276127 | 527 | \r |
d8c79a81 LG |
528 | if (EFI_ERROR (Status)) {\r |
529 | //\r | |
18fd8d65 | 530 | // Decode failed\r |
d8c79a81 LG |
531 | //\r |
532 | DEBUG ((EFI_D_ERROR, "Extract guided section Failed - %r\n", Status));\r | |
533 | return Status;\r | |
534 | }\r | |
535 | \r | |
18fd8d65 LG |
536 | *OutputSize = (UINTN) OutputBufferSize;\r |
537 | \r | |
95276127 | 538 | return EFI_SUCCESS;\r |
539 | }\r | |
b0d803fe | 540 | \r |
541 | STATIC\r | |
542 | EFI_STATUS\r | |
543 | EFIAPI \r | |
544 | Decompress (\r | |
545 | IN CONST EFI_PEI_DECOMPRESS_PPI *This,\r | |
546 | IN CONST EFI_COMPRESSION_SECTION *CompressionSection,\r | |
547 | OUT VOID **OutputBuffer,\r | |
548 | OUT UINTN *OutputSize\r | |
549 | )\r | |
550 | {\r | |
551 | EFI_STATUS Status;\r | |
552 | UINT8 *DstBuffer;\r | |
553 | UINT8 *ScratchBuffer;\r | |
554 | UINTN DstBufferSize;\r | |
555 | UINT32 ScratchBufferSize;\r | |
556 | EFI_COMMON_SECTION_HEADER *Section;\r | |
557 | UINTN SectionLength;\r | |
558 | \r | |
559 | if (CompressionSection->CommonHeader.Type != EFI_SECTION_COMPRESSION) {\r | |
560 | ASSERT (FALSE);\r | |
561 | return EFI_INVALID_PARAMETER;\r | |
562 | }\r | |
563 | \r | |
564 | Section = (EFI_COMMON_SECTION_HEADER *) CompressionSection;\r | |
565 | SectionLength = *(UINT32 *) (Section->Size) & 0x00ffffff;\r | |
566 | \r | |
567 | //\r | |
568 | // This is a compression set, expand it\r | |
569 | //\r | |
570 | switch (CompressionSection->CompressionType) {\r | |
571 | case EFI_STANDARD_COMPRESSION:\r | |
572 | //\r | |
573 | // Load EFI standard compression.\r | |
574 | // For compressed data, decompress them to dstbuffer.\r | |
575 | //\r | |
576 | Status = UefiDecompressGetInfo (\r | |
577 | (UINT8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),\r | |
578 | (UINT32) SectionLength - sizeof (EFI_COMPRESSION_SECTION),\r | |
579 | (UINT32 *) &DstBufferSize,\r | |
580 | &ScratchBufferSize\r | |
581 | );\r | |
582 | if (EFI_ERROR (Status)) {\r | |
583 | //\r | |
584 | // GetInfo failed\r | |
585 | //\r | |
586 | DEBUG ((EFI_D_ERROR, "Decompress GetInfo Failed - %r\n", Status));\r | |
587 | return EFI_NOT_FOUND;\r | |
588 | }\r | |
589 | //\r | |
590 | // Allocate scratch buffer\r | |
591 | //\r | |
592 | ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize));\r | |
593 | if (ScratchBuffer == NULL) {\r | |
594 | return EFI_OUT_OF_RESOURCES;\r | |
595 | }\r | |
596 | //\r | |
288f9b38 | 597 | // Allocate destination buffer, extra one page for adjustment \r |
b0d803fe | 598 | //\r |
288f9b38 | 599 | DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize) + 1);\r |
b0d803fe | 600 | if (DstBuffer == NULL) {\r |
601 | return EFI_OUT_OF_RESOURCES;\r | |
602 | }\r | |
603 | //\r | |
288f9b38 LG |
604 | // DstBuffer still is one section. Adjust DstBuffer offset, skip EFI section header\r |
605 | // to make section data at page alignment.\r | |
606 | //\r | |
607 | DstBuffer = DstBuffer + EFI_PAGE_SIZE - sizeof (EFI_COMMON_SECTION_HEADER);\r | |
608 | //\r | |
b0d803fe | 609 | // Call decompress function\r |
610 | //\r | |
611 | Status = UefiDecompress (\r | |
612 | (CHAR8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),\r | |
613 | DstBuffer,\r | |
614 | ScratchBuffer\r | |
615 | );\r | |
616 | if (EFI_ERROR (Status)) {\r | |
617 | //\r | |
618 | // Decompress failed\r | |
619 | //\r | |
620 | DEBUG ((EFI_D_ERROR, "Decompress Failed - %r\n", Status));\r | |
621 | return EFI_NOT_FOUND;\r | |
622 | }\r | |
623 | break;\r | |
624 | \r | |
b0d803fe | 625 | case EFI_NOT_COMPRESSED:\r |
626 | //\r | |
627 | // Allocate destination buffer\r | |
628 | //\r | |
629 | DstBufferSize = CompressionSection->UncompressedLength;\r | |
288f9b38 | 630 | DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize) + 1);\r |
b0d803fe | 631 | if (DstBuffer == NULL) {\r |
632 | return EFI_OUT_OF_RESOURCES;\r | |
633 | }\r | |
634 | //\r | |
288f9b38 LG |
635 | // Adjust DstBuffer offset, skip EFI section header\r |
636 | // to make section data at page alignment.\r | |
637 | //\r | |
638 | DstBuffer = DstBuffer + EFI_PAGE_SIZE - sizeof (EFI_COMMON_SECTION_HEADER);\r | |
639 | //\r | |
b0d803fe | 640 | // stream is not actually compressed, just encapsulated. So just copy it.\r |
641 | //\r | |
642 | CopyMem (DstBuffer, CompressionSection + 1, DstBufferSize);\r | |
643 | break;\r | |
644 | \r | |
645 | default:\r | |
646 | //\r | |
647 | // Don't support other unknown compression type.\r | |
648 | //\r | |
649 | ASSERT (FALSE);\r | |
650 | return EFI_NOT_FOUND;\r | |
651 | }\r | |
652 | \r | |
653 | *OutputSize = DstBufferSize;\r | |
654 | *OutputBuffer = DstBuffer;\r | |
655 | \r | |
656 | return EFI_SUCCESS;\r | |
657 | }\r | |
658 | \r | |
30c8f861 | 659 | VOID\r |
660 | UpdateStackHob (\r | |
661 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
662 | IN UINT64 Length\r | |
663 | )\r | |
664 | {\r | |
665 | EFI_PEI_HOB_POINTERS Hob;\r | |
666 | \r | |
667 | Hob.Raw = GetHobList ();\r | |
668 | while ((Hob.Raw = GetNextHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, Hob.Raw)) != NULL) {\r | |
669 | if (CompareGuid (&gEfiHobMemoryAllocStackGuid, &(Hob.MemoryAllocationStack->AllocDescriptor.Name))) {\r | |
670 | //\r | |
671 | // Build a new memory allocation HOB with old stack info with EfiConventionalMemory type\r | |
672 | // to be reclaimed by DXE core.\r | |
673 | //\r | |
674 | BuildMemoryAllocationHob (\r | |
675 | Hob.MemoryAllocationStack->AllocDescriptor.MemoryBaseAddress,\r | |
676 | Hob.MemoryAllocationStack->AllocDescriptor.MemoryLength,\r | |
677 | EfiConventionalMemory\r | |
678 | );\r | |
679 | //\r | |
680 | // Update the BSP Stack Hob to reflect the new stack info.\r | |
681 | //\r | |
682 | Hob.MemoryAllocationStack->AllocDescriptor.MemoryBaseAddress = BaseAddress;\r | |
683 | Hob.MemoryAllocationStack->AllocDescriptor.MemoryLength = Length;\r | |
684 | break;\r | |
685 | }\r | |
686 | Hob.Raw = GET_NEXT_HOB (Hob);\r | |
687 | }\r | |
688 | }\r |