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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 |
b0d803fe | 17 | \r |
b98da1b1 | 18 | //\r |
19 | // This global variable indicates whether this module has been shadowed\r | |
20 | // to memory.\r | |
21 | //\r | |
95276127 | 22 | BOOLEAN gInMemory = FALSE;\r |
23 | \r | |
24 | //\r | |
25 | // Module Globals used in the DXE to PEI handoff\r | |
26 | // These must be module globals, so the stack can be switched\r | |
27 | //\r | |
9b937a73 | 28 | CONST EFI_DXE_IPL_PPI mDxeIplPpi = {\r |
95276127 | 29 | DxeLoadCore\r |
30 | };\r | |
31 | \r | |
9b937a73 | 32 | CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI mCustomGuidedSectionExtractionPpi = {\r |
18fd8d65 | 33 | CustomGuidedSectionExtract\r |
95276127 | 34 | };\r |
35 | \r | |
9b937a73 | 36 | CONST EFI_PEI_DECOMPRESS_PPI mDecompressPpi = {\r |
b0d803fe | 37 | Decompress\r |
d8c79a81 LG |
38 | };\r |
39 | \r | |
9b937a73 | 40 | CONST EFI_PEI_PPI_DESCRIPTOR mPpiList[] = {\r |
95276127 | 41 | {\r |
b0d803fe | 42 | EFI_PEI_PPI_DESCRIPTOR_PPI,\r |
43 | &gEfiDxeIplPpiGuid,\r | |
9b937a73 | 44 | (VOID *) &mDxeIplPpi\r |
95276127 | 45 | },\r |
46 | {\r | |
b0d803fe | 47 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r |
48 | &gEfiPeiDecompressPpiGuid,\r | |
9b937a73 | 49 | (VOID *) &mDecompressPpi\r |
95276127 | 50 | }\r |
51 | };\r | |
52 | \r | |
9b937a73 | 53 | CONST EFI_PEI_PPI_DESCRIPTOR gEndOfPeiSignalPpi = {\r |
95276127 | 54 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r |
55 | &gEfiEndOfPeiSignalPpiGuid,\r | |
56 | NULL\r | |
57 | };\r | |
58 | \r | |
b0d803fe | 59 | /**\r |
60 | Initializes the Dxe Ipl PPI\r | |
61 | \r | |
62 | @param FfsHandle The handle of FFS file.\r | |
63 | @param PeiServices General purpose services available to\r | |
64 | every PEIM.\r | |
91d92e25 | 65 | @return EFI_SUCESS\r |
66 | \r | |
67 | **/\r | |
95276127 | 68 | EFI_STATUS\r |
69 | EFIAPI\r | |
70 | PeimInitializeDxeIpl (\r | |
b0d803fe | 71 | IN EFI_PEI_FILE_HANDLE FfsHandle,\r |
95276127 | 72 | IN EFI_PEI_SERVICES **PeiServices\r |
73 | )\r | |
95276127 | 74 | {\r |
75 | EFI_STATUS Status;\r | |
95276127 | 76 | EFI_BOOT_MODE BootMode;\r |
18fd8d65 LG |
77 | EFI_GUID *ExtractHandlerGuidTable;\r |
78 | UINTN ExtractHandlerNumber;\r | |
d8c79a81 LG |
79 | EFI_PEI_PPI_DESCRIPTOR *GuidPpi;\r |
80 | \r | |
b98da1b1 | 81 | BootMode = GetBootModeHob ();\r |
95276127 | 82 | \r |
b0d803fe | 83 | if (BootMode != BOOT_ON_S3_RESUME) {\r |
84 | Status = PeiServicesRegisterForShadow (FfsHandle);\r | |
85 | if (Status == EFI_SUCCESS) {\r | |
b0d803fe | 86 | //\r |
87 | // EFI_SUCESS means the first time call register for shadow \r | |
88 | // \r | |
89 | return Status;\r | |
90 | } else if (Status == EFI_ALREADY_STARTED) {\r | |
b98da1b1 | 91 | \r |
b0d803fe | 92 | //\r |
18fd8d65 | 93 | // Get custom extract guided section method guid list \r |
b0d803fe | 94 | //\r |
18fd8d65 | 95 | ExtractHandlerNumber = ExtractGuidedSectionGetGuidList (&ExtractHandlerGuidTable);\r |
b0d803fe | 96 | \r |
97 | //\r | |
18fd8d65 | 98 | // Install custom extraction guid ppi\r |
b0d803fe | 99 | //\r |
18fd8d65 | 100 | if (ExtractHandlerNumber > 0) {\r |
91d92e25 | 101 | GuidPpi = (EFI_PEI_PPI_DESCRIPTOR *) AllocatePool (ExtractHandlerNumber * sizeof (EFI_PEI_PPI_DESCRIPTOR));\r |
102 | ASSERT (GuidPpi != NULL);\r | |
103 | while (ExtractHandlerNumber-- > 0) {\r | |
104 | GuidPpi->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;\r | |
9b937a73 | 105 | GuidPpi->Ppi = (VOID *) &mCustomGuidedSectionExtractionPpi;\r |
91d92e25 | 106 | GuidPpi->Guid = &(ExtractHandlerGuidTable [ExtractHandlerNumber]);\r |
107 | Status = PeiServicesInstallPpi (GuidPpi++);\r | |
108 | ASSERT_EFI_ERROR(Status);\r | |
109 | }\r | |
b0d803fe | 110 | }\r |
111 | } else {\r | |
fb8749d0 | 112 | ASSERT (FALSE);\r |
d8c79a81 | 113 | }\r |
95276127 | 114 | }\r |
115 | \r | |
b0d803fe | 116 | //\r |
288f9b38 | 117 | // Install DxeIpl and Decompress PPIs.\r |
b0d803fe | 118 | //\r |
119 | Status = PeiServicesInstallPpi (mPpiList);\r | |
288f9b38 LG |
120 | ASSERT_EFI_ERROR(Status);\r |
121 | \r | |
95276127 | 122 | return Status;\r |
123 | }\r | |
124 | \r | |
b0d803fe | 125 | /**\r |
b98da1b1 | 126 | Main entry point to last PEIM. \r |
b0d803fe | 127 | \r |
b98da1b1 | 128 | @param This Entry point for DXE IPL PPI.\r |
b0d803fe | 129 | @param PeiServices General purpose services available to every PEIM.\r |
b98da1b1 | 130 | @param HobList Address to the Pei HOB list.\r |
b0d803fe | 131 | \r |
132 | @return EFI_SUCCESS DXE core was successfully loaded. \r | |
133 | @return EFI_OUT_OF_RESOURCES There are not enough resources to load DXE core.\r | |
91d92e25 | 134 | \r |
b0d803fe | 135 | **/\r |
95276127 | 136 | EFI_STATUS\r |
137 | EFIAPI\r | |
138 | DxeLoadCore (\r | |
139 | IN EFI_DXE_IPL_PPI *This,\r | |
140 | IN EFI_PEI_SERVICES **PeiServices,\r | |
141 | IN EFI_PEI_HOB_POINTERS HobList\r | |
142 | )\r | |
95276127 | 143 | {\r |
144 | EFI_STATUS Status;\r | |
b6b98e91 | 145 | EFI_FV_FILE_INFO DxeCoreFileInfo;\r |
95276127 | 146 | EFI_PHYSICAL_ADDRESS DxeCoreAddress;\r |
147 | UINT64 DxeCoreSize;\r | |
148 | EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint;\r | |
95276127 | 149 | EFI_BOOT_MODE BootMode;\r |
b0d803fe | 150 | EFI_PEI_FILE_HANDLE FileHandle;\r |
b74350e9 | 151 | EFI_PEI_READ_ONLY_VARIABLE2_PPI *Variable;\r |
152 | UINTN DataSize;\r | |
708919be | 153 | EFI_MEMORY_TYPE_INFORMATION MemoryData[EfiMaxMemoryType + 1];\r |
95276127 | 154 | \r |
155 | //\r | |
156 | // if in S3 Resume, restore configure\r | |
157 | //\r | |
b98da1b1 | 158 | BootMode = GetBootModeHob ();\r |
95276127 | 159 | \r |
160 | if (BootMode == BOOT_ON_S3_RESUME) {\r | |
e8da1266 | 161 | Status = AcpiS3ResumeOs();\r |
95276127 | 162 | ASSERT_EFI_ERROR (Status);\r |
163 | } else if (BootMode == BOOT_IN_RECOVERY_MODE) {\r | |
e8da1266 | 164 | Status = PeiRecoverFirmware ();\r |
95276127 | 165 | if (EFI_ERROR (Status)) {\r |
91d92e25 | 166 | DEBUG ((DEBUG_ERROR, "Load Recovery Capsule Failed.(Status = %r)\n", Status));\r |
95276127 | 167 | CpuDeadLoop ();\r |
168 | }\r | |
169 | \r | |
170 | //\r | |
171 | // Now should have a HOB with the DXE core w/ the old HOB destroyed\r | |
172 | //\r | |
173 | }\r | |
288f9b38 | 174 | \r |
b74350e9 | 175 | Status = PeiServicesLocatePpi (\r |
176 | &gEfiPeiReadOnlyVariable2PpiGuid,\r | |
177 | 0,\r | |
178 | NULL,\r | |
179 | (VOID **)&Variable\r | |
180 | );\r | |
b74350e9 | 181 | if (!EFI_ERROR (Status)) {\r |
1ad76c34 | 182 | DataSize = sizeof (MemoryData);\r |
183 | Status = Variable->GetVariable ( \r | |
184 | Variable, \r | |
185 | EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME,\r | |
186 | &gEfiMemoryTypeInformationGuid,\r | |
187 | NULL,\r | |
188 | &DataSize,\r | |
189 | &MemoryData\r | |
190 | );\r | |
191 | if (!EFI_ERROR (Status)) {\r | |
192 | //\r | |
193 | // Build the GUID'd HOB for DXE\r | |
194 | //\r | |
195 | BuildGuidDataHob (\r | |
196 | &gEfiMemoryTypeInformationGuid,\r | |
197 | MemoryData,\r | |
198 | DataSize\r | |
199 | );\r | |
200 | }\r | |
b74350e9 | 201 | }\r |
288f9b38 | 202 | \r |
95276127 | 203 | //\r |
b6b98e91 | 204 | // Look in all the FVs present in PEI and find the DXE Core FileHandle\r |
95276127 | 205 | //\r |
b6b98e91 | 206 | FileHandle = DxeIplFindDxeCore ();\r |
b0d803fe | 207 | \r |
95276127 | 208 | //\r |
6b978d16 | 209 | // Load the DXE Core from a Firmware Volume, may use LoadFile ppi to do this for save code size.\r |
95276127 | 210 | //\r |
211 | Status = PeiLoadFile (\r | |
b98da1b1 | 212 | FileHandle,\r |
213 | &DxeCoreAddress,\r | |
214 | &DxeCoreSize,\r | |
215 | &DxeCoreEntryPoint\r | |
216 | );\r | |
95276127 | 217 | ASSERT_EFI_ERROR (Status);\r |
218 | \r | |
b6b98e91 | 219 | //\r |
220 | // Get the DxeCore File Info from the FileHandle for the DxeCore GUID file name.\r | |
221 | //\r | |
222 | Status = PeiServicesFfsGetFileInfo (FileHandle, &DxeCoreFileInfo);\r | |
223 | ASSERT_EFI_ERROR (Status);\r | |
224 | \r | |
95276127 | 225 | //\r |
226 | // Add HOB for the DXE Core\r | |
227 | //\r | |
228 | BuildModuleHob (\r | |
b6b98e91 | 229 | &DxeCoreFileInfo.FileName,\r |
95276127 | 230 | DxeCoreAddress,\r |
b98da1b1 | 231 | EFI_SIZE_TO_PAGES ((UINTN) DxeCoreSize) * EFI_PAGE_SIZE,\r |
95276127 | 232 | DxeCoreEntryPoint\r |
233 | );\r | |
234 | \r | |
235 | //\r | |
236 | // Report Status Code EFI_SW_PEI_PC_HANDOFF_TO_NEXT\r | |
237 | //\r | |
238 | REPORT_STATUS_CODE (\r | |
239 | EFI_PROGRESS_CODE,\r | |
797a9d67 | 240 | PcdGet32(PcdStatusCodeValuePeiHandoffToDxe)\r |
95276127 | 241 | );\r |
242 | \r | |
9c8eefab | 243 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Loading DXE CORE at 0x%10p EntryPoint=0x%10p\n", (VOID *)(UINTN)DxeCoreAddress, FUNCTION_ENTRY_POINT (DxeCoreEntryPoint)));\r |
e98cd821 | 244 | \r |
95276127 | 245 | //\r |
246 | // Transfer control to the DXE Core\r | |
247 | // The handoff state is simply a pointer to the HOB list\r | |
248 | //\r | |
9b937a73 | 249 | HandOffToDxeCore (DxeCoreEntryPoint, HobList);\r |
95276127 | 250 | //\r |
251 | // If we get here, then the DXE Core returned. This is an error\r | |
252 | // Dxe Core should not return.\r | |
253 | //\r | |
254 | ASSERT (FALSE);\r | |
255 | CpuDeadLoop ();\r | |
256 | \r | |
257 | return EFI_OUT_OF_RESOURCES;\r | |
258 | }\r | |
259 | \r | |
91d92e25 | 260 | \r |
b0d803fe | 261 | /**\r |
9b937a73 | 262 | Searches DxeCore in all firmware Volumes and loads the first\r |
263 | instance that contains DxeCore.\r | |
b0d803fe | 264 | \r |
9b937a73 | 265 | @return FileHandle of DxeCore to load DxeCore.\r |
266 | \r | |
91d92e25 | 267 | **/\r |
9b937a73 | 268 | EFI_PEI_FILE_HANDLE\r |
288f9b38 | 269 | DxeIplFindDxeCore (\r |
b6b98e91 | 270 | VOID\r |
b0d803fe | 271 | )\r |
95276127 | 272 | {\r |
9b937a73 | 273 | EFI_STATUS Status;\r |
274 | UINTN Instance;\r | |
275 | EFI_PEI_FV_HANDLE VolumeHandle;\r | |
276 | EFI_PEI_FILE_HANDLE FileHandle;\r | |
288f9b38 LG |
277 | \r |
278 | Instance = 0;\r | |
9b937a73 | 279 | while (TRUE) {\r |
280 | //\r | |
281 | // Traverse all firmware volume instances\r | |
282 | //\r | |
283 | Status = PeiServicesFfsFindNextVolume (Instance, &VolumeHandle);\r | |
284 | //\r | |
285 | // If some error occurs here, then we cannot find any firmware\r | |
286 | // volume that may contain DxeCore.\r | |
287 | //\r | |
288 | ASSERT_EFI_ERROR (Status);\r | |
289 | \r | |
290 | //\r | |
291 | // Find the DxeCore file type from the beginning in this firmware volume.\r | |
292 | //\r | |
293 | FileHandle = NULL;\r | |
294 | Status = PeiServicesFfsFindNextFile (EFI_FV_FILETYPE_DXE_CORE, VolumeHandle, &FileHandle);\r | |
288f9b38 | 295 | if (!EFI_ERROR (Status)) {\r |
9b937a73 | 296 | //\r |
b6b98e91 | 297 | // Find DxeCore FileHandle in this volume, then we skip other firmware volume and\r |
298 | // return the FileHandle.\r | |
9b937a73 | 299 | //\r |
b6b98e91 | 300 | return FileHandle;\r |
95276127 | 301 | }\r |
9b937a73 | 302 | //\r |
303 | // We cannot find DxeCore in this firmware volume, then search the next volume.\r | |
304 | //\r | |
305 | Instance++;\r | |
306 | }\r | |
b0d803fe | 307 | \r |
9b937a73 | 308 | //\r |
b6b98e91 | 309 | // We should never reach here.\r |
9b937a73 | 310 | //\r |
b6b98e91 | 311 | ASSERT (FALSE);\r |
312 | return NULL;\r | |
95276127 | 313 | }\r |
314 | \r | |
91d92e25 | 315 | \r |
b0d803fe | 316 | /**\r |
317 | Loads and relocates a PE/COFF image into memory.\r | |
318 | \r | |
319 | @param FileHandle The image file handle\r | |
320 | @param ImageAddress The base address of the relocated PE/COFF image\r | |
321 | @param ImageSize The size of the relocated PE/COFF image\r | |
322 | @param EntryPoint The entry point of the relocated PE/COFF image\r | |
323 | \r | |
324 | @return EFI_SUCCESS The file was loaded and relocated\r | |
325 | @return EFI_OUT_OF_RESOURCES There was not enough memory to load and relocate the PE/COFF file\r | |
91d92e25 | 326 | \r |
b0d803fe | 327 | **/\r |
95276127 | 328 | EFI_STATUS\r |
329 | PeiLoadFile (\r | |
b0d803fe | 330 | IN EFI_PEI_FILE_HANDLE FileHandle,\r |
95276127 | 331 | OUT EFI_PHYSICAL_ADDRESS *ImageAddress,\r |
332 | OUT UINT64 *ImageSize,\r | |
333 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint\r | |
334 | )\r | |
b0d803fe | 335 | {\r |
95276127 | 336 | \r |
b0d803fe | 337 | EFI_STATUS Status;\r |
338 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r | |
339 | VOID *Pe32Data;\r | |
b98da1b1 | 340 | \r |
b0d803fe | 341 | //\r |
6b978d16 | 342 | // First try to find the PE32 section in this ffs file.\r |
b0d803fe | 343 | //\r |
344 | Status = PeiServicesFfsFindSectionData (\r | |
345 | EFI_SECTION_PE32,\r | |
346 | FileHandle,\r | |
347 | &Pe32Data\r | |
348 | );\r | |
b0d803fe | 349 | if (EFI_ERROR (Status)) {\r |
350 | //\r | |
351 | // NO image types we support so exit.\r | |
352 | //\r | |
353 | return Status;\r | |
354 | }\r | |
95276127 | 355 | \r |
356 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
357 | ImageContext.Handle = Pe32Data;\r | |
358 | Status = GetImageReadFunction (&ImageContext);\r | |
359 | \r | |
360 | ASSERT_EFI_ERROR (Status);\r | |
361 | \r | |
3d7b0992 | 362 | Status = PeCoffLoaderGetImageInfo (&ImageContext);\r |
95276127 | 363 | if (EFI_ERROR (Status)) {\r |
364 | return Status;\r | |
365 | }\r | |
366 | //\r | |
367 | // Allocate Memory for the image\r | |
368 | //\r | |
369 | ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) AllocatePages (EFI_SIZE_TO_PAGES ((UINT32) ImageContext.ImageSize));\r | |
370 | ASSERT (ImageContext.ImageAddress != 0);\r | |
371 | \r | |
372 | //\r | |
373 | // Load the image to our new buffer\r | |
374 | //\r | |
3d7b0992 | 375 | Status = PeCoffLoaderLoadImage (&ImageContext);\r |
95276127 | 376 | if (EFI_ERROR (Status)) {\r |
377 | return Status;\r | |
378 | }\r | |
379 | //\r | |
380 | // Relocate the image in our new buffer\r | |
381 | //\r | |
3d7b0992 | 382 | Status = PeCoffLoaderRelocateImage (&ImageContext);\r |
95276127 | 383 | if (EFI_ERROR (Status)) {\r |
384 | return Status;\r | |
385 | }\r | |
386 | \r | |
387 | //\r | |
388 | // Flush the instruction cache so the image data is written before we execute it\r | |
389 | //\r | |
390 | InvalidateInstructionCacheRange ((VOID *)(UINTN)ImageContext.ImageAddress, (UINTN)ImageContext.ImageSize);\r | |
391 | \r | |
392 | *ImageAddress = ImageContext.ImageAddress;\r | |
393 | *ImageSize = ImageContext.ImageSize;\r | |
394 | *EntryPoint = ImageContext.EntryPoint;\r | |
395 | \r | |
396 | return EFI_SUCCESS;\r | |
397 | }\r | |
398 | \r | |
91d92e25 | 399 | \r |
400 | \r | |
401 | \r | |
d8c79a81 LG |
402 | /**\r |
403 | The ExtractSection() function processes the input section and\r | |
404 | returns a pointer to the section contents. If the section being\r | |
405 | extracted does not require processing (if the section\r | |
406 | GuidedSectionHeader.Attributes has the\r | |
407 | EFI_GUIDED_SECTION_PROCESSING_REQUIRED field cleared), then\r | |
408 | OutputBuffer is just updated to point to the start of the\r | |
409 | section's contents. Otherwise, *Buffer must be allocated\r | |
410 | from PEI permanent memory.\r | |
411 | \r | |
412 | @param This Indicates the\r | |
413 | EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI instance.\r | |
414 | Buffer containing the input GUIDed section to be\r | |
415 | processed. OutputBuffer OutputBuffer is\r | |
416 | allocated from PEI permanent memory and contains\r | |
417 | the new section stream.\r | |
91d92e25 | 418 | @param InputSection A pointer to the input buffer, which contains\r |
419 | the input section to be processed.\r | |
420 | @param OutputBuffer A pointer to a caller-allocated buffer, whose\r | |
421 | size is specified by the contents of OutputSize.\r | |
d8c79a81 LG |
422 | @param OutputSize A pointer to a caller-allocated\r |
423 | UINTN in which the size of *OutputBuffer\r | |
424 | allocation is stored. If the function\r | |
425 | returns anything other than EFI_SUCCESS,\r | |
426 | the value of OutputSize is undefined.\r | |
d8c79a81 LG |
427 | @param AuthenticationStatus A pointer to a caller-allocated\r |
428 | UINT32 that indicates the\r | |
429 | authentication status of the\r | |
430 | output buffer. If the input\r | |
431 | section's GuidedSectionHeader.\r | |
432 | Attributes field has the\r | |
433 | EFI_GUIDED_SECTION_AUTH_STATUS_VALID \r | |
434 | bit as clear,\r | |
435 | AuthenticationStatus must return\r | |
436 | zero. These bits reflect the\r | |
437 | status of the extraction\r | |
438 | operation. If the function\r | |
439 | returns anything other than\r | |
440 | EFI_SUCCESS, the value of\r | |
441 | AuthenticationStatus is\r | |
442 | undefined.\r | |
443 | \r | |
444 | @retval EFI_SUCCESS The InputSection was\r | |
445 | successfully processed and the\r | |
446 | section contents were returned.\r | |
447 | \r | |
448 | @retval EFI_OUT_OF_RESOURCES The system has insufficient\r | |
449 | resources to process the request.\r | |
450 | \r | |
708919be | 451 | @retval EFI_INVALID_PARAMETER The GUID in InputSection does\r |
d8c79a81 LG |
452 | not match this instance of the\r |
453 | GUIDed Section Extraction PPI.\r | |
91d92e25 | 454 | \r |
d8c79a81 LG |
455 | **/\r |
456 | EFI_STATUS\r | |
18fd8d65 | 457 | CustomGuidedSectionExtract (\r |
d8c79a81 LG |
458 | IN CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *This,\r |
459 | IN CONST VOID *InputSection,\r | |
460 | OUT VOID **OutputBuffer,\r | |
461 | OUT UINTN *OutputSize,\r | |
462 | OUT UINT32 *AuthenticationStatus\r | |
463 | )\r | |
464 | {\r | |
465 | EFI_STATUS Status;\r | |
466 | UINT8 *ScratchBuffer;\r | |
18fd8d65 LG |
467 | UINT32 ScratchBufferSize;\r |
468 | UINT32 OutputBufferSize;\r | |
469 | UINT16 SectionAttribute;\r | |
d8c79a81 LG |
470 | \r |
471 | //\r | |
18fd8d65 | 472 | // Init local variable\r |
d8c79a81 | 473 | //\r |
18fd8d65 LG |
474 | ScratchBuffer = NULL;\r |
475 | \r | |
d8c79a81 | 476 | //\r |
18fd8d65 | 477 | // Call GetInfo to get the size and attribute of input guided section data.\r |
d8c79a81 | 478 | //\r |
18fd8d65 | 479 | Status = ExtractGuidedSectionGetInfo (\r |
b6b98e91 | 480 | InputSection,\r |
481 | &OutputBufferSize,\r | |
482 | &ScratchBufferSize,\r | |
483 | &SectionAttribute\r | |
484 | );\r | |
18fd8d65 | 485 | \r |
d8c79a81 | 486 | if (EFI_ERROR (Status)) {\r |
91d92e25 | 487 | DEBUG ((DEBUG_ERROR, "GetInfo from guided section Failed - %r\n", Status));\r |
18fd8d65 LG |
488 | return Status;\r |
489 | }\r | |
490 | \r | |
491 | if (ScratchBufferSize != 0) {\r | |
95276127 | 492 | //\r |
18fd8d65 | 493 | // Allocate scratch buffer\r |
95276127 | 494 | //\r |
18fd8d65 LG |
495 | ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize));\r |
496 | if (ScratchBuffer == NULL) {\r | |
497 | return EFI_OUT_OF_RESOURCES;\r | |
498 | }\r | |
d8c79a81 | 499 | }\r |
95276127 | 500 | \r |
708919be | 501 | if (((SectionAttribute & EFI_GUIDED_SECTION_PROCESSING_REQUIRED) != 0) && OutputBufferSize > 0) { \r |
18fd8d65 LG |
502 | //\r |
503 | // Allocate output buffer\r | |
504 | //\r | |
288f9b38 | 505 | *OutputBuffer = AllocatePages (EFI_SIZE_TO_PAGES (OutputBufferSize) + 1);\r |
18fd8d65 LG |
506 | if (*OutputBuffer == NULL) {\r |
507 | return EFI_OUT_OF_RESOURCES;\r | |
508 | }\r | |
91d92e25 | 509 | DEBUG ((DEBUG_INFO, "Customed Guided section Memory Size required is 0x%x and address is 0x%p\n", OutputBufferSize, *OutputBuffer));\r |
288f9b38 LG |
510 | //\r |
511 | // *OutputBuffer still is one section. Adjust *OutputBuffer offset, \r | |
512 | // skip EFI section header to make section data at page alignment.\r | |
513 | //\r | |
514 | *OutputBuffer = (VOID *)((UINT8 *) *OutputBuffer + EFI_PAGE_SIZE - sizeof (EFI_COMMON_SECTION_HEADER));\r | |
95276127 | 515 | }\r |
18fd8d65 LG |
516 | \r |
517 | Status = ExtractGuidedSectionDecode (\r | |
518 | InputSection, \r | |
519 | OutputBuffer,\r | |
520 | ScratchBuffer,\r | |
521 | AuthenticationStatus\r | |
522 | );\r | |
d8c79a81 LG |
523 | if (EFI_ERROR (Status)) {\r |
524 | //\r | |
18fd8d65 | 525 | // Decode failed\r |
d8c79a81 | 526 | //\r |
91d92e25 | 527 | DEBUG ((DEBUG_ERROR, "Extract guided section Failed - %r\n", Status));\r |
d8c79a81 LG |
528 | return Status;\r |
529 | }\r | |
530 | \r | |
18fd8d65 LG |
531 | *OutputSize = (UINTN) OutputBufferSize;\r |
532 | \r | |
95276127 | 533 | return EFI_SUCCESS;\r |
534 | }\r | |
b0d803fe | 535 | \r |
91d92e25 | 536 | \r |
537 | \r | |
538 | /**\r | |
539 | Decompresses a section to the output buffer.\r | |
540 | \r | |
541 | This function lookes up the compression type field in the input section and\r | |
542 | applies the appropriate compression algorithm to compress the section to a\r | |
543 | callee allocated buffer.\r | |
544 | \r | |
545 | @param This Points to this instance of the\r | |
546 | EFI_PEI_DECOMPRESS_PEI PPI.\r | |
547 | @param CompressionSection Points to the compressed section.\r | |
548 | @param OutputBuffer Holds the returned pointer to the decompressed\r | |
549 | sections.\r | |
550 | @param OutputSize Holds the returned size of the decompress\r | |
551 | section streams.\r | |
552 | \r | |
553 | @retval EFI_SUCCESS The section was decompressed successfully.\r | |
554 | OutputBuffer contains the resulting data and\r | |
555 | OutputSize contains the resulting size.\r | |
556 | \r | |
557 | **/\r | |
b0d803fe | 558 | EFI_STATUS\r |
559 | EFIAPI \r | |
560 | Decompress (\r | |
561 | IN CONST EFI_PEI_DECOMPRESS_PPI *This,\r | |
562 | IN CONST EFI_COMPRESSION_SECTION *CompressionSection,\r | |
563 | OUT VOID **OutputBuffer,\r | |
564 | OUT UINTN *OutputSize\r | |
565 | )\r | |
566 | {\r | |
567 | EFI_STATUS Status;\r | |
568 | UINT8 *DstBuffer;\r | |
569 | UINT8 *ScratchBuffer;\r | |
570 | UINTN DstBufferSize;\r | |
571 | UINT32 ScratchBufferSize;\r | |
572 | EFI_COMMON_SECTION_HEADER *Section;\r | |
573 | UINTN SectionLength;\r | |
574 | \r | |
575 | if (CompressionSection->CommonHeader.Type != EFI_SECTION_COMPRESSION) {\r | |
576 | ASSERT (FALSE);\r | |
577 | return EFI_INVALID_PARAMETER;\r | |
578 | }\r | |
579 | \r | |
580 | Section = (EFI_COMMON_SECTION_HEADER *) CompressionSection;\r | |
b98da1b1 | 581 | SectionLength = *(UINT32 *) (Section->Size) & 0x00ffffff;\r |
b0d803fe | 582 | \r |
583 | //\r | |
584 | // This is a compression set, expand it\r | |
585 | //\r | |
586 | switch (CompressionSection->CompressionType) {\r | |
587 | case EFI_STANDARD_COMPRESSION:\r | |
588 | //\r | |
589 | // Load EFI standard compression.\r | |
590 | // For compressed data, decompress them to dstbuffer.\r | |
591 | //\r | |
592 | Status = UefiDecompressGetInfo (\r | |
593 | (UINT8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),\r | |
594 | (UINT32) SectionLength - sizeof (EFI_COMPRESSION_SECTION),\r | |
595 | (UINT32 *) &DstBufferSize,\r | |
596 | &ScratchBufferSize\r | |
597 | );\r | |
598 | if (EFI_ERROR (Status)) {\r | |
599 | //\r | |
600 | // GetInfo failed\r | |
601 | //\r | |
91d92e25 | 602 | DEBUG ((DEBUG_ERROR, "Decompress GetInfo Failed - %r\n", Status));\r |
b0d803fe | 603 | return EFI_NOT_FOUND;\r |
604 | }\r | |
605 | //\r | |
606 | // Allocate scratch buffer\r | |
607 | //\r | |
608 | ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize));\r | |
609 | if (ScratchBuffer == NULL) {\r | |
610 | return EFI_OUT_OF_RESOURCES;\r | |
611 | }\r | |
612 | //\r | |
288f9b38 | 613 | // Allocate destination buffer, extra one page for adjustment \r |
b0d803fe | 614 | //\r |
288f9b38 | 615 | DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize) + 1);\r |
b0d803fe | 616 | if (DstBuffer == NULL) {\r |
617 | return EFI_OUT_OF_RESOURCES;\r | |
618 | }\r | |
619 | //\r | |
288f9b38 LG |
620 | // DstBuffer still is one section. Adjust DstBuffer offset, skip EFI section header\r |
621 | // to make section data at page alignment.\r | |
622 | //\r | |
623 | DstBuffer = DstBuffer + EFI_PAGE_SIZE - sizeof (EFI_COMMON_SECTION_HEADER);\r | |
624 | //\r | |
b0d803fe | 625 | // Call decompress function\r |
626 | //\r | |
627 | Status = UefiDecompress (\r | |
628 | (CHAR8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),\r | |
629 | DstBuffer,\r | |
630 | ScratchBuffer\r | |
631 | );\r | |
632 | if (EFI_ERROR (Status)) {\r | |
633 | //\r | |
634 | // Decompress failed\r | |
635 | //\r | |
91d92e25 | 636 | DEBUG ((DEBUG_ERROR, "Decompress Failed - %r\n", Status));\r |
b0d803fe | 637 | return EFI_NOT_FOUND;\r |
638 | }\r | |
639 | break;\r | |
640 | \r | |
b0d803fe | 641 | case EFI_NOT_COMPRESSED:\r |
642 | //\r | |
643 | // Allocate destination buffer\r | |
644 | //\r | |
645 | DstBufferSize = CompressionSection->UncompressedLength;\r | |
288f9b38 | 646 | DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize) + 1);\r |
b0d803fe | 647 | if (DstBuffer == NULL) {\r |
648 | return EFI_OUT_OF_RESOURCES;\r | |
649 | }\r | |
650 | //\r | |
288f9b38 LG |
651 | // Adjust DstBuffer offset, skip EFI section header\r |
652 | // to make section data at page alignment.\r | |
653 | //\r | |
654 | DstBuffer = DstBuffer + EFI_PAGE_SIZE - sizeof (EFI_COMMON_SECTION_HEADER);\r | |
655 | //\r | |
b0d803fe | 656 | // stream is not actually compressed, just encapsulated. So just copy it.\r |
657 | //\r | |
658 | CopyMem (DstBuffer, CompressionSection + 1, DstBufferSize);\r | |
659 | break;\r | |
660 | \r | |
661 | default:\r | |
662 | //\r | |
663 | // Don't support other unknown compression type.\r | |
664 | //\r | |
665 | ASSERT (FALSE);\r | |
666 | return EFI_NOT_FOUND;\r | |
667 | }\r | |
668 | \r | |
669 | *OutputSize = DstBufferSize;\r | |
670 | *OutputBuffer = DstBuffer;\r | |
671 | \r | |
672 | return EFI_SUCCESS;\r | |
673 | }\r | |
674 | \r | |
91d92e25 | 675 | \r |
676 | \r | |
677 | \r | |
678 | /**\r | |
679 | Updates the Stack HOB passed to DXE phase.\r | |
680 | \r | |
681 | This function traverses the whole HOB list and update the stack HOB to\r | |
682 | reflect the real stack that is used by DXE core.\r | |
683 | \r | |
684 | @param BaseAddress The lower address of stack used by DxeCore.\r | |
685 | @param Length The length of stack used by DxeCore.\r | |
686 | \r | |
687 | **/\r | |
30c8f861 | 688 | VOID\r |
689 | UpdateStackHob (\r | |
690 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
691 | IN UINT64 Length\r | |
692 | )\r | |
693 | {\r | |
694 | EFI_PEI_HOB_POINTERS Hob;\r | |
695 | \r | |
696 | Hob.Raw = GetHobList ();\r | |
697 | while ((Hob.Raw = GetNextHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, Hob.Raw)) != NULL) {\r | |
698 | if (CompareGuid (&gEfiHobMemoryAllocStackGuid, &(Hob.MemoryAllocationStack->AllocDescriptor.Name))) {\r | |
699 | //\r | |
700 | // Build a new memory allocation HOB with old stack info with EfiConventionalMemory type\r | |
701 | // to be reclaimed by DXE core.\r | |
702 | //\r | |
703 | BuildMemoryAllocationHob (\r | |
704 | Hob.MemoryAllocationStack->AllocDescriptor.MemoryBaseAddress,\r | |
705 | Hob.MemoryAllocationStack->AllocDescriptor.MemoryLength,\r | |
706 | EfiConventionalMemory\r | |
707 | );\r | |
708 | //\r | |
709 | // Update the BSP Stack Hob to reflect the new stack info.\r | |
710 | //\r | |
711 | Hob.MemoryAllocationStack->AllocDescriptor.MemoryBaseAddress = BaseAddress;\r | |
712 | Hob.MemoryAllocationStack->AllocDescriptor.MemoryLength = Length;\r | |
713 | break;\r | |
714 | }\r | |
715 | Hob.Raw = GET_NEXT_HOB (Hob);\r | |
716 | }\r | |
717 | }\r |