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3005648d | 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 | |
23 | #include <DxeIpl.h>\r | |
24 | \r | |
0cc82df1 | 25 | #ifndef __GNUC__\r |
3005648d | 26 | #pragma warning( disable : 4305 )\r |
0cc82df1 | 27 | #endif\r |
3005648d | 28 | \r |
29 | BOOLEAN gInMemory = FALSE;\r | |
30 | \r | |
3005648d | 31 | //\r |
32 | // Module Globals used in the DXE to PEI handoff\r | |
33 | // These must be module globals, so the stack can be switched\r | |
34 | //\r | |
35 | static EFI_DXE_IPL_PPI mDxeIplPpi = {\r | |
36 | DxeLoadCore\r | |
37 | };\r | |
38 | \r | |
39 | static EFI_PEI_FV_FILE_LOADER_PPI mLoadFilePpi = {\r | |
40 | DxeIplLoadFile\r | |
41 | };\r | |
42 | \r | |
43 | static EFI_PEI_PPI_DESCRIPTOR mPpiLoadFile = {\r | |
44 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
45 | &gEfiPeiFvFileLoaderPpiGuid,\r | |
46 | &mLoadFilePpi\r | |
47 | };\r | |
48 | \r | |
49 | static EFI_PEI_PPI_DESCRIPTOR mPpiList = {\r | |
50 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
51 | &gEfiDxeIplPpiGuid,\r | |
52 | &mDxeIplPpi\r | |
53 | };\r | |
54 | \r | |
3005648d | 55 | static EFI_PEI_PPI_DESCRIPTOR mPpiSignal = {\r |
56 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
57 | &gEfiEndOfPeiSignalPpiGuid,\r | |
58 | NULL\r | |
59 | };\r | |
60 | \r | |
e29d7096 | 61 | GLOBAL_REMOVE_IF_UNREFERENCED DECOMPRESS_LIBRARY gEfiDecompress = {\r |
3005648d | 62 | UefiDecompressGetInfo,\r |
63 | UefiDecompress\r | |
64 | };\r | |
65 | \r | |
e29d7096 | 66 | GLOBAL_REMOVE_IF_UNREFERENCED DECOMPRESS_LIBRARY gTianoDecompress = {\r |
3005648d | 67 | TianoDecompressGetInfo,\r |
68 | TianoDecompress\r | |
69 | };\r | |
70 | \r | |
e29d7096 | 71 | GLOBAL_REMOVE_IF_UNREFERENCED DECOMPRESS_LIBRARY gCustomDecompress = {\r |
3005648d | 72 | CustomDecompressGetInfo,\r |
73 | CustomDecompress\r | |
74 | };\r | |
75 | \r | |
76 | STATIC\r | |
77 | UINTN\r | |
78 | GetOccupiedSize (\r | |
79 | IN UINTN ActualSize,\r | |
80 | IN UINTN Alignment\r | |
81 | )\r | |
82 | {\r | |
83 | UINTN OccupiedSize;\r | |
84 | \r | |
85 | OccupiedSize = ActualSize;\r | |
86 | while ((OccupiedSize & (Alignment - 1)) != 0) {\r | |
87 | OccupiedSize++;\r | |
88 | }\r | |
89 | \r | |
90 | return OccupiedSize;\r | |
91 | }\r | |
92 | \r | |
93 | EFI_STATUS\r | |
94 | EFIAPI\r | |
95 | PeimInitializeDxeIpl (\r | |
96 | IN EFI_FFS_FILE_HEADER *FfsHeader,\r | |
97 | IN EFI_PEI_SERVICES **PeiServices\r | |
98 | )\r | |
99 | /*++\r | |
100 | \r | |
101 | Routine Description:\r | |
102 | \r | |
103 | Initializes the Dxe Ipl PPI\r | |
104 | \r | |
105 | Arguments:\r | |
106 | \r | |
107 | FfsHeader - Pointer to FFS file header\r | |
108 | PeiServices - General purpose services available to every PEIM.\r | |
109 | \r | |
110 | Returns:\r | |
111 | \r | |
112 | EFI_SUCCESS\r | |
113 | \r | |
114 | --*/\r | |
115 | {\r | |
116 | EFI_STATUS Status;\r | |
117 | EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader;\r | |
118 | EFI_BOOT_MODE BootMode;\r | |
119 | \r | |
84a99d48 | 120 | Status = PeiServicesGetBootMode (&BootMode);\r |
3005648d | 121 | \r |
122 | ASSERT_EFI_ERROR (Status);\r | |
123 | \r | |
25549f69 | 124 | if (!gInMemory && (BootMode != BOOT_ON_S3_RESUME)) { \r |
3005648d | 125 | //\r |
126 | // The DxeIpl has not yet been shadowed\r | |
127 | //\r | |
128 | PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol ();\r | |
129 | \r | |
130 | //\r | |
131 | // Shadow DxeIpl and then re-run its entry point\r | |
132 | //\r | |
133 | Status = ShadowDxeIpl (FfsHeader, PeiEfiPeiPeCoffLoader);\r | |
134 | if (EFI_ERROR (Status)) {\r | |
135 | return Status;\r | |
136 | }\r | |
137 | \r | |
138 | } else {\r | |
139 | if (BootMode != BOOT_ON_S3_RESUME) {\r | |
3005648d | 140 | \r |
141 | //\r | |
142 | // Install LoadFile PPI\r | |
143 | //\r | |
84a99d48 | 144 | Status = PeiServicesInstallPpi (&mPpiLoadFile);\r |
3005648d | 145 | \r |
146 | if (EFI_ERROR (Status)) {\r | |
147 | return Status;\r | |
148 | }\r | |
149 | }\r | |
150 | //\r | |
151 | // Install DxeIpl PPI\r | |
152 | //\r | |
25549f69 | 153 | Status = PeiServicesInstallPpi (&mPpiList);\r |
3005648d | 154 | \r |
155 | if (EFI_ERROR (Status)) {\r | |
156 | return Status;\r | |
157 | }\r | |
158 | \r | |
159 | }\r | |
160 | \r | |
161 | return EFI_SUCCESS;\r | |
162 | }\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 | \r | |
173 | Routine Description:\r | |
174 | \r | |
175 | Main entry point to last PEIM\r | |
176 | \r | |
177 | Arguments:\r | |
178 | \r | |
179 | This - Entry point for DXE IPL PPI\r | |
180 | PeiServices - General purpose services available to every PEIM.\r | |
181 | HobList - Address to the Pei HOB list\r | |
182 | \r | |
183 | Returns:\r | |
184 | \r | |
185 | EFI_SUCCESS - DEX core was successfully loaded.\r | |
186 | EFI_OUT_OF_RESOURCES - There are not enough resources to load DXE core.\r | |
187 | \r | |
188 | --*/\r | |
189 | {\r | |
190 | EFI_STATUS Status;\r | |
191 | EFI_PHYSICAL_ADDRESS TopOfStack;\r | |
192 | EFI_PHYSICAL_ADDRESS BaseOfStack;\r | |
193 | EFI_PHYSICAL_ADDRESS BspStore;\r | |
194 | EFI_GUID DxeCoreFileName;\r | |
d6697471 | 195 | EFI_GUID FirmwareFileName;\r |
3005648d | 196 | VOID *DxeCorePe32Data;\r |
d6697471 | 197 | VOID *FvImageData; \r |
3005648d | 198 | EFI_PHYSICAL_ADDRESS DxeCoreAddress;\r |
199 | UINT64 DxeCoreSize;\r | |
200 | EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint;\r | |
201 | EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader;\r | |
202 | EFI_BOOT_MODE BootMode;\r | |
203 | EFI_PEI_RECOVERY_MODULE_PPI *PeiRecovery;\r | |
204 | EFI_PEI_S3_RESUME_PPI *S3Resume;\r | |
205 | EFI_PHYSICAL_ADDRESS PageTables;\r | |
206 | \r | |
207 | TopOfStack = 0;\r | |
208 | BaseOfStack = 0;\r | |
209 | BspStore = 0;\r | |
210 | Status = EFI_SUCCESS;\r | |
211 | \r | |
212 | //\r | |
213 | // if in S3 Resume, restore configure\r | |
214 | //\r | |
84a99d48 | 215 | Status = PeiServicesGetBootMode (&BootMode);\r |
3005648d | 216 | \r |
217 | if (!EFI_ERROR (Status) && (BootMode == BOOT_ON_S3_RESUME)) {\r | |
84a99d48 | 218 | Status = PeiServicesLocatePpi (\r |
3005648d | 219 | &gEfiPeiS3ResumePpiGuid,\r |
220 | 0,\r | |
221 | NULL,\r | |
222 | (VOID **)&S3Resume\r | |
223 | );\r | |
224 | \r | |
225 | ASSERT_EFI_ERROR (Status);\r | |
226 | \r | |
227 | Status = S3Resume->S3RestoreConfig (PeiServices);\r | |
228 | \r | |
229 | ASSERT_EFI_ERROR (Status);\r | |
230 | }\r | |
231 | \r | |
232 | Status = EFI_SUCCESS;\r | |
233 | \r | |
234 | //\r | |
235 | // Install the PEI Protocols that are shared between PEI and DXE\r | |
236 | //\r | |
fc198a79 | 237 | PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol ();\r |
a61513d6 | 238 | ASSERT (PeiEfiPeiPeCoffLoader != NULL);\r |
3005648d | 239 | \r |
3005648d | 240 | //\r |
241 | // Allocate 128KB for the Stack\r | |
242 | //\r | |
84a99d48 | 243 | PeiServicesAllocatePages (EfiBootServicesData, EFI_SIZE_TO_PAGES (STACK_SIZE), &BaseOfStack);\r |
3005648d | 244 | ASSERT (BaseOfStack != 0);\r |
245 | \r | |
246 | //\r | |
3e025b69 LG |
247 | // Compute the top of the stack we were allocated, which is used to load X64 dxe core. \r |
248 | // Pre-allocate a 32 bytes which confroms to x64 calling convention.\r | |
3005648d | 249 | //\r |
9723bdde LG |
250 | // The first four parameters to a function are passed in rcx, rdx, r8 and r9. \r |
251 | // Any further parameters are pushed on the stack. Furthermore, space (4 * 8bytes) for the \r | |
252 | // register parameters is reserved on the stack, in case the called function \r | |
253 | // wants to spill them; this is important if the function is variadic. \r | |
254 | //\r | |
255 | TopOfStack = BaseOfStack + EFI_SIZE_TO_PAGES (STACK_SIZE) * EFI_PAGE_SIZE - 32;\r | |
3005648d | 256 | \r |
3e025b69 LG |
257 | //\r |
258 | // X64 Calling Conventions requires that the stack must be aligned to 16 bytes\r | |
259 | //\r | |
5ab95f33 | 260 | TopOfStack = (EFI_PHYSICAL_ADDRESS) (UINTN) ALIGN_POINTER (TopOfStack, 16);\r |
3e025b69 | 261 | \r |
3005648d | 262 | //\r |
263 | // Add architecture-specifc HOBs (including the BspStore HOB)\r | |
264 | //\r | |
265 | Status = CreateArchSpecificHobs (&BspStore);\r | |
266 | ASSERT_EFI_ERROR (Status);\r | |
267 | \r | |
268 | //\r | |
269 | // See if we are in crisis recovery\r | |
270 | //\r | |
84a99d48 | 271 | Status = PeiServicesGetBootMode (&BootMode);\r |
3005648d | 272 | if (!EFI_ERROR (Status) && (BootMode == BOOT_IN_RECOVERY_MODE)) {\r |
84a99d48 | 273 | Status = PeiServicesLocatePpi (\r |
3005648d | 274 | &gEfiPeiRecoveryModulePpiGuid,\r |
275 | 0,\r | |
276 | NULL,\r | |
277 | (VOID **)&PeiRecovery\r | |
278 | );\r | |
279 | \r | |
280 | ASSERT_EFI_ERROR (Status);\r | |
281 | Status = PeiRecovery->LoadRecoveryCapsule (PeiServices, PeiRecovery);\r | |
f78797d5 LG |
282 | if (EFI_ERROR (Status)) {\r |
283 | DEBUG ((EFI_D_ERROR, "Load Recovery Capsule Failed.(Status = %r)\n", Status));\r | |
284 | CpuDeadLoop ();\r | |
285 | }\r | |
3005648d | 286 | }\r |
287 | \r | |
d6697471 LG |
288 | //\r |
289 | // Find the EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE type compressed Firmware Volume file\r | |
290 | // The file found will be processed by PeiProcessFile: It will first be decompressed to\r | |
291 | // a normal FV, then a corresponding FV type hob will be built. \r | |
292 | //\r | |
293 | Status = PeiFindFile (\r | |
294 | EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE,\r | |
295 | EFI_SECTION_FIRMWARE_VOLUME_IMAGE,\r | |
296 | &FirmwareFileName,\r | |
297 | &FvImageData\r | |
298 | );\r | |
299 | \r | |
3005648d | 300 | //\r |
301 | // Find the DXE Core in a Firmware Volume\r | |
302 | //\r | |
303 | Status = PeiFindFile (\r | |
304 | EFI_FV_FILETYPE_DXE_CORE,\r | |
305 | EFI_SECTION_PE32,\r | |
306 | &DxeCoreFileName,\r | |
307 | &DxeCorePe32Data\r | |
308 | );\r | |
309 | ASSERT_EFI_ERROR (Status);\r | |
310 | \r | |
3005648d | 311 | //\r |
5ab95f33 | 312 | // Load the GDT of Go64. Since the GDT of 32-bit Tiano locates in the BS_DATA\r |
3005648d | 313 | // memory, it may be corrupted when copying FV to high-end memory \r |
5ab95f33 | 314 | //\r |
3005648d | 315 | LoadGo64Gdt();\r |
316 | \r | |
317 | //\r | |
318 | // Limit to 36 bits of addressing for debug. Should get it from CPU\r | |
319 | //\r | |
320 | PageTables = CreateIdentityMappingPageTables (36);\r | |
321 | \r | |
322 | \r | |
323 | //\r | |
324 | // Load the DXE Core from a Firmware Volume\r | |
325 | //\r | |
fc198a79 | 326 | Status = PeiLoadPeImage (\r |
3005648d | 327 | PeiEfiPeiPeCoffLoader,\r |
328 | DxeCorePe32Data,\r | |
329 | EfiBootServicesData,\r | |
330 | &DxeCoreAddress,\r | |
331 | &DxeCoreSize,\r | |
332 | &DxeCoreEntryPoint\r | |
333 | );\r | |
334 | ASSERT_EFI_ERROR (Status);\r | |
335 | \r | |
a61513d6 LG |
336 | //\r |
337 | // Transfer control to the DXE Core\r | |
338 | // The handoff state is simply a pointer to the HOB list\r | |
339 | //\r | |
340 | \r | |
341 | Status = PeiServicesInstallPpi (&mPpiSignal);\r | |
342 | ASSERT_EFI_ERROR (Status);\r | |
343 | \r | |
3005648d | 344 | //\r |
345 | //\r | |
346 | // Add HOB for the DXE Core\r | |
347 | //\r | |
348 | BuildModuleHob (\r | |
349 | &DxeCoreFileName,\r | |
350 | DxeCoreAddress,\r | |
351 | DxeCoreSize,\r | |
352 | DxeCoreEntryPoint\r | |
353 | );\r | |
354 | \r | |
355 | //\r | |
356 | // Report Status Code EFI_SW_PEI_PC_HANDOFF_TO_NEXT\r | |
357 | //\r | |
358 | REPORT_STATUS_CODE (\r | |
359 | EFI_PROGRESS_CODE,\r | |
360 | EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_CORE_PC_HANDOFF_TO_NEXT\r | |
361 | );\r | |
362 | \r | |
363 | DEBUG ((EFI_D_INFO, "DXE Core Entry\n"));\r | |
364 | //\r | |
365 | // Go to Long Mode. Interrupts will not get turned on until the CPU AP is loaded.\r | |
366 | // Call x64 drivers passing in single argument, a pointer to the HOBs.\r | |
367 | //\r | |
368 | ActivateLongMode (\r | |
369 | PageTables, \r | |
370 | (EFI_PHYSICAL_ADDRESS)(UINTN)(HobList.Raw), \r | |
371 | TopOfStack,\r | |
372 | 0x00000000,\r | |
373 | DxeCoreEntryPoint\r | |
374 | );\r | |
375 | \r | |
376 | //\r | |
377 | // If we get here, then the DXE Core returned. This is an error\r | |
f78797d5 | 378 | // Dxe Core should not return.\r |
3005648d | 379 | //\r |
f78797d5 LG |
380 | ASSERT (FALSE);\r |
381 | CpuDeadLoop ();\r | |
3005648d | 382 | \r |
383 | return EFI_OUT_OF_RESOURCES;\r | |
384 | }\r | |
385 | \r | |
386 | EFI_STATUS\r | |
387 | PeiFindFile (\r | |
388 | IN UINT8 Type,\r | |
389 | IN UINT16 SectionType,\r | |
390 | OUT EFI_GUID *FileName,\r | |
391 | OUT VOID **Pe32Data\r | |
392 | )\r | |
393 | /*++\r | |
394 | \r | |
395 | Routine Description:\r | |
396 | \r | |
397 | Finds a PE/COFF of a specific Type and SectionType in the Firmware Volumes\r | |
398 | described in the HOB list. Able to search in a compression set in a FFS file.\r | |
399 | But only one level of compression is supported, that is, not able to search\r | |
400 | in a compression set that is within another compression set.\r | |
401 | \r | |
402 | Arguments:\r | |
403 | \r | |
404 | Type - The Type of file to retrieve\r | |
405 | \r | |
406 | SectionType - The type of section to retrieve from a file\r | |
407 | \r | |
408 | FileName - The name of the file found in the Firmware Volume\r | |
409 | \r | |
410 | Pe32Data - Pointer to the beginning of the PE/COFF file found in the Firmware Volume\r | |
411 | \r | |
412 | Returns:\r | |
413 | \r | |
414 | EFI_SUCCESS - The file was found, and the name is returned in FileName, and a pointer to\r | |
415 | the PE/COFF image is returned in Pe32Data\r | |
416 | \r | |
417 | EFI_NOT_FOUND - The file was not found in the Firmware Volumes present in the HOB List\r | |
418 | \r | |
419 | --*/\r | |
420 | {\r | |
421 | EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;\r | |
422 | EFI_FFS_FILE_HEADER *FfsFileHeader;\r | |
423 | VOID *SectionData;\r | |
424 | EFI_STATUS Status;\r | |
425 | EFI_PEI_HOB_POINTERS Hob;\r | |
426 | \r | |
427 | \r | |
428 | FwVolHeader = NULL;\r | |
429 | FfsFileHeader = NULL;\r | |
430 | SectionData = NULL;\r | |
d6697471 | 431 | Status = EFI_SUCCESS;\r |
3005648d | 432 | \r |
433 | //\r | |
d6697471 LG |
434 | // For each Firmware Volume, look for a specified type\r |
435 | // of file and break out until no one is found \r | |
3005648d | 436 | //\r |
437 | Hob.Raw = GetHobList ();\r | |
438 | while ((Hob.Raw = GetNextHob (EFI_HOB_TYPE_FV, Hob.Raw)) != NULL) {\r | |
439 | FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) (Hob.FirmwareVolume->BaseAddress);\r | |
84a99d48 | 440 | Status = PeiServicesFfsFindNextFile (\r |
3005648d | 441 | Type,\r |
442 | FwVolHeader,\r | |
443 | &FfsFileHeader\r | |
444 | );\r | |
445 | if (!EFI_ERROR (Status)) {\r | |
3005648d | 446 | Status = PeiProcessFile (\r |
447 | SectionType,\r | |
d6697471 | 448 | FfsFileHeader,\r |
2ea767cc | 449 | Pe32Data,\r |
450 | &Hob\r | |
3005648d | 451 | );\r |
6326ee4e | 452 | CopyMem (FileName, &FfsFileHeader->Name, sizeof (EFI_GUID));\r |
d6697471 LG |
453 | if (!EFI_ERROR (Status)) {\r |
454 | return EFI_SUCCESS;\r | |
455 | }\r | |
3005648d | 456 | }\r |
457 | Hob.Raw = GET_NEXT_HOB (Hob);\r | |
458 | }\r | |
459 | return EFI_NOT_FOUND;\r | |
460 | }\r | |
461 | \r | |
462 | EFI_STATUS\r | |
fc198a79 | 463 | PeiLoadPeImage (\r |
3005648d | 464 | IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader,\r |
465 | IN VOID *Pe32Data,\r | |
466 | IN EFI_MEMORY_TYPE MemoryType,\r | |
467 | OUT EFI_PHYSICAL_ADDRESS *ImageAddress,\r | |
468 | OUT UINT64 *ImageSize,\r | |
469 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint\r | |
470 | )\r | |
471 | /*++\r | |
472 | \r | |
473 | Routine Description:\r | |
474 | \r | |
475 | Loads and relocates a PE/COFF image into memory.\r | |
476 | \r | |
477 | Arguments:\r | |
478 | \r | |
479 | PeiEfiPeiPeCoffLoader - Pointer to a PE COFF loader protocol\r | |
480 | \r | |
481 | Pe32Data - The base address of the PE/COFF file that is to be loaded and relocated\r | |
482 | \r | |
483 | ImageAddress - The base address of the relocated PE/COFF image\r | |
484 | \r | |
485 | ImageSize - The size of the relocated PE/COFF image\r | |
486 | \r | |
487 | EntryPoint - The entry point of the relocated PE/COFF image\r | |
488 | \r | |
489 | Returns:\r | |
490 | \r | |
491 | EFI_SUCCESS - The file was loaded and relocated\r | |
492 | EFI_OUT_OF_RESOURCES - There was not enough memory to load and relocate the PE/COFF file\r | |
493 | \r | |
494 | --*/\r | |
495 | {\r | |
496 | EFI_STATUS Status;\r | |
497 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r | |
498 | EFI_PHYSICAL_ADDRESS MemoryBuffer;\r | |
499 | \r | |
500 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
501 | ImageContext.Handle = Pe32Data;\r | |
502 | Status = GetImageReadFunction (&ImageContext);\r | |
503 | \r | |
504 | ASSERT_EFI_ERROR (Status);\r | |
505 | \r | |
506 | Status = PeiEfiPeiPeCoffLoader->GetImageInfo (PeiEfiPeiPeCoffLoader, &ImageContext);\r | |
507 | if (EFI_ERROR (Status)) {\r | |
508 | return Status;\r | |
509 | }\r | |
510 | //\r | |
511 | // Allocate Memory for the image\r | |
512 | //\r | |
513 | //\r | |
514 | // Allocate Memory for the image\r | |
515 | //\r | |
84a99d48 | 516 | PeiServicesAllocatePages (MemoryType, EFI_SIZE_TO_PAGES ((UINT32) ImageContext.ImageSize), &MemoryBuffer);\r |
3005648d | 517 | ImageContext.ImageAddress = MemoryBuffer;\r |
518 | ASSERT (ImageContext.ImageAddress != 0);\r | |
519 | \r | |
520 | //\r | |
521 | // Load the image to our new buffer\r | |
522 | //\r | |
523 | \r | |
524 | Status = PeiEfiPeiPeCoffLoader->LoadImage (PeiEfiPeiPeCoffLoader, &ImageContext);\r | |
525 | if (EFI_ERROR (Status)) {\r | |
526 | return Status;\r | |
527 | }\r | |
528 | \r | |
529 | //\r | |
530 | // Relocate the image in our new buffer\r | |
531 | //\r | |
532 | Status = PeiEfiPeiPeCoffLoader->RelocateImage (PeiEfiPeiPeCoffLoader, &ImageContext);\r | |
533 | if (EFI_ERROR (Status)) {\r | |
534 | return Status;\r | |
535 | }\r | |
536 | \r | |
537 | //\r | |
538 | // Flush the instruction cache so the image data is written before we execute it\r | |
539 | //\r | |
540 | InvalidateInstructionCacheRange ((VOID *)(UINTN)ImageContext.ImageAddress, (UINTN)ImageContext.ImageSize);\r | |
541 | \r | |
542 | *ImageAddress = ImageContext.ImageAddress;\r | |
543 | *ImageSize = ImageContext.ImageSize;\r | |
544 | *EntryPoint = ImageContext.EntryPoint;\r | |
545 | \r | |
546 | return EFI_SUCCESS;\r | |
547 | }\r | |
548 | \r | |
549 | EFI_STATUS\r | |
550 | ShadowDxeIpl (\r | |
551 | IN EFI_FFS_FILE_HEADER *DxeIplFileHeader,\r | |
552 | IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader\r | |
553 | )\r | |
554 | /*++\r | |
555 | \r | |
556 | Routine Description:\r | |
557 | \r | |
558 | Shadow the DXE IPL to a different memory location. This occurs after permanent\r | |
559 | memory has been discovered.\r | |
560 | \r | |
561 | Arguments:\r | |
562 | \r | |
563 | DxeIplFileHeader - Pointer to the FFS file header of the DXE IPL driver\r | |
564 | \r | |
565 | PeiEfiPeiPeCoffLoader - Pointer to a PE COFF loader protocol\r | |
566 | \r | |
567 | Returns:\r | |
568 | \r | |
569 | EFI_SUCCESS - DXE IPL was successfully shadowed to a different memory location.\r | |
570 | \r | |
571 | EFI_ ERROR - The shadow was unsuccessful.\r | |
572 | \r | |
573 | \r | |
574 | --*/\r | |
575 | {\r | |
576 | UINTN SectionLength;\r | |
577 | UINTN OccupiedSectionLength;\r | |
578 | EFI_PHYSICAL_ADDRESS DxeIplAddress;\r | |
579 | UINT64 DxeIplSize;\r | |
580 | EFI_PHYSICAL_ADDRESS DxeIplEntryPoint;\r | |
581 | EFI_STATUS Status;\r | |
582 | EFI_COMMON_SECTION_HEADER *Section;\r | |
583 | \r | |
584 | Section = (EFI_COMMON_SECTION_HEADER *) (DxeIplFileHeader + 1);\r | |
585 | \r | |
586 | while ((Section->Type != EFI_SECTION_PE32) && (Section->Type != EFI_SECTION_TE)) {\r | |
587 | SectionLength = *(UINT32 *) (Section->Size) & 0x00ffffff;\r | |
588 | OccupiedSectionLength = GetOccupiedSize (SectionLength, 4);\r | |
589 | Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) Section + OccupiedSectionLength);\r | |
590 | }\r | |
591 | \r | |
592 | //\r | |
593 | // Relocate DxeIpl into memory by using loadfile service\r | |
594 | //\r | |
fc198a79 | 595 | Status = PeiLoadPeImage (\r |
3005648d | 596 | PeiEfiPeiPeCoffLoader,\r |
597 | (VOID *) (Section + 1),\r | |
598 | EfiBootServicesData,\r | |
599 | &DxeIplAddress,\r | |
600 | &DxeIplSize,\r | |
601 | &DxeIplEntryPoint\r | |
602 | );\r | |
603 | \r | |
604 | if (Status == EFI_SUCCESS) {\r | |
605 | //\r | |
25549f69 | 606 | // Set gInMemory global variable to TRUE to indicate the dxeipl is shadowed.\r |
3005648d | 607 | //\r |
25549f69 | 608 | *(BOOLEAN *) ((UINTN) &gInMemory + (UINTN) DxeIplEntryPoint - (UINTN) _ModuleEntryPoint) = TRUE;\r |
3005648d | 609 | Status = ((EFI_PEIM_ENTRY_POINT) (UINTN) DxeIplEntryPoint) (DxeIplFileHeader, GetPeiServicesTablePointer());\r |
610 | }\r | |
611 | \r | |
612 | return Status;\r | |
613 | }\r | |
614 | \r | |
615 | EFI_STATUS\r | |
616 | EFIAPI\r | |
617 | DxeIplLoadFile (\r | |
618 | IN EFI_PEI_FV_FILE_LOADER_PPI *This,\r | |
619 | IN EFI_FFS_FILE_HEADER *FfsHeader,\r | |
620 | OUT EFI_PHYSICAL_ADDRESS *ImageAddress,\r | |
621 | OUT UINT64 *ImageSize,\r | |
622 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint\r | |
623 | )\r | |
624 | /*++\r | |
625 | \r | |
626 | Routine Description:\r | |
627 | \r | |
628 | Given a pointer to an FFS file containing a PE32 image, get the\r | |
629 | information on the PE32 image, and then "load" it so that it\r | |
630 | can be executed.\r | |
631 | \r | |
632 | Arguments:\r | |
633 | \r | |
634 | This - pointer to our file loader protocol\r | |
635 | FfsHeader - pointer to the FFS file header of the FFS file that\r | |
636 | contains the PE32 image we want to load\r | |
637 | ImageAddress - returned address where the PE32 image is loaded\r | |
638 | ImageSize - returned size of the loaded PE32 image\r | |
639 | EntryPoint - entry point to the loaded PE32 image\r | |
640 | \r | |
641 | Returns:\r | |
642 | \r | |
643 | EFI_SUCCESS - The FFS file was successfully loaded.\r | |
644 | EFI_ERROR - Unable to load the FFS file.\r | |
645 | \r | |
646 | --*/\r | |
647 | {\r | |
648 | EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader;\r | |
649 | EFI_STATUS Status;\r | |
650 | VOID *Pe32Data;\r | |
651 | \r | |
652 | Pe32Data = NULL;\r | |
653 | PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol ();\r | |
654 | \r | |
655 | //\r | |
656 | // Preprocess the FFS file to get a pointer to the PE32 information\r | |
657 | // in the enclosed PE32 image.\r | |
658 | //\r | |
659 | Status = PeiProcessFile (\r | |
660 | EFI_SECTION_PE32,\r | |
d6697471 | 661 | FfsHeader,\r |
2ea767cc | 662 | &Pe32Data,\r |
663 | NULL\r | |
3005648d | 664 | );\r |
665 | \r | |
666 | if (EFI_ERROR (Status)) {\r | |
667 | return Status;\r | |
668 | }\r | |
669 | //\r | |
670 | // Load the PE image from the FFS file\r | |
671 | //\r | |
fc198a79 | 672 | Status = PeiLoadPeImage (\r |
3005648d | 673 | PeiEfiPeiPeCoffLoader,\r |
674 | Pe32Data,\r | |
675 | EfiBootServicesData,\r | |
676 | ImageAddress,\r | |
677 | ImageSize,\r | |
678 | EntryPoint\r | |
679 | );\r | |
680 | \r | |
681 | return Status;\r | |
682 | }\r | |
683 | \r | |
684 | EFI_STATUS\r | |
685 | PeiProcessFile (\r | |
6326ee4e | 686 | IN UINT16 SectionType,\r |
d6697471 | 687 | IN EFI_FFS_FILE_HEADER *FfsFileHeader,\r |
2ea767cc | 688 | OUT VOID **Pe32Data,\r |
689 | IN EFI_PEI_HOB_POINTERS *OrigHob\r | |
3005648d | 690 | )\r |
691 | /*++\r | |
692 | \r | |
693 | Routine Description:\r | |
694 | \r | |
695 | Arguments:\r | |
696 | \r | |
697 | SectionType - The type of section in the FFS file to process.\r | |
698 | \r | |
699 | FfsFileHeader - Pointer to the FFS file to process, looking for the\r | |
700 | specified SectionType\r | |
701 | \r | |
702 | Pe32Data - returned pointer to the start of the PE32 image found\r | |
703 | in the FFS file.\r | |
704 | \r | |
705 | Returns:\r | |
706 | \r | |
707 | EFI_SUCCESS - found the PE32 section in the FFS file\r | |
708 | \r | |
709 | --*/\r | |
710 | {\r | |
711 | EFI_STATUS Status;\r | |
712 | VOID *SectionData;\r | |
713 | DECOMPRESS_LIBRARY *DecompressLibrary;\r | |
714 | UINT8 *DstBuffer;\r | |
715 | UINT8 *ScratchBuffer;\r | |
716 | UINT32 DstBufferSize;\r | |
717 | UINT32 ScratchBufferSize;\r | |
718 | EFI_COMMON_SECTION_HEADER *CmpSection;\r | |
719 | UINTN CmpSectionLength;\r | |
720 | UINTN OccupiedCmpSectionLength;\r | |
721 | VOID *CmpFileData;\r | |
722 | UINTN CmpFileSize;\r | |
723 | EFI_COMMON_SECTION_HEADER *Section;\r | |
724 | UINTN SectionLength;\r | |
725 | UINTN OccupiedSectionLength;\r | |
726 | UINT64 FileSize;\r | |
727 | EFI_GUID_DEFINED_SECTION *GuidedSectionHeader;\r | |
728 | UINT32 AuthenticationStatus;\r | |
729 | EFI_PEI_SECTION_EXTRACTION_PPI *SectionExtract;\r | |
730 | UINT32 BufferSize;\r | |
731 | UINT8 *Buffer;\r | |
732 | EFI_PEI_SECURITY_PPI *Security;\r | |
733 | BOOLEAN StartCrisisRecovery;\r | |
734 | EFI_GUID TempGuid;\r | |
735 | EFI_FIRMWARE_VOLUME_HEADER *FvHeader;\r | |
736 | EFI_COMPRESSION_SECTION *CompressionSection;\r | |
d6697471 | 737 | UINT32 FvAlignment;\r |
3005648d | 738 | \r |
84a99d48 | 739 | Status = PeiServicesFfsFindSectionData (\r |
3005648d | 740 | EFI_SECTION_COMPRESSION,\r |
741 | FfsFileHeader,\r | |
742 | &SectionData\r | |
743 | );\r | |
744 | \r | |
745 | //\r | |
d6697471 | 746 | // First process the compression section\r |
3005648d | 747 | //\r |
748 | if (!EFI_ERROR (Status)) {\r | |
749 | //\r | |
750 | // Yes, there is a compression section, so extract the contents\r | |
751 | // Decompress the image here\r | |
752 | //\r | |
753 | Section = (EFI_COMMON_SECTION_HEADER *) (UINTN) (VOID *) ((UINT8 *) (FfsFileHeader) + (UINTN) sizeof (EFI_FFS_FILE_HEADER));\r | |
754 | \r | |
755 | do {\r | |
756 | SectionLength = *(UINT32 *) (Section->Size) & 0x00ffffff;\r | |
757 | OccupiedSectionLength = GetOccupiedSize (SectionLength, 4);\r | |
758 | \r | |
759 | //\r | |
760 | // Was the DXE Core file encapsulated in a GUID'd section?\r | |
761 | //\r | |
762 | if (Section->Type == EFI_SECTION_GUID_DEFINED) {\r | |
763 | //\r | |
764 | // Locate the GUID'd Section Extractor\r | |
765 | //\r | |
766 | GuidedSectionHeader = (VOID *) (Section + 1);\r | |
767 | \r | |
768 | //\r | |
769 | // This following code constitutes the addition of the security model\r | |
770 | // to the DXE IPL.\r | |
771 | //\r | |
772 | //\r | |
773 | // Set a default authenticatino state\r | |
774 | //\r | |
775 | AuthenticationStatus = 0;\r | |
776 | \r | |
84a99d48 | 777 | Status = PeiServicesLocatePpi (\r |
3005648d | 778 | &gEfiPeiSectionExtractionPpiGuid,\r |
779 | 0,\r | |
780 | NULL,\r | |
781 | (VOID **)&SectionExtract\r | |
782 | );\r | |
783 | \r | |
784 | if (EFI_ERROR (Status)) {\r | |
785 | return Status;\r | |
786 | }\r | |
787 | //\r | |
788 | // Verify Authentication State\r | |
789 | //\r | |
790 | CopyMem (&TempGuid, Section + 1, sizeof (EFI_GUID));\r | |
791 | \r | |
792 | Status = SectionExtract->PeiGetSection (\r | |
793 | GetPeiServicesTablePointer(),\r | |
794 | SectionExtract,\r | |
795 | (EFI_SECTION_TYPE *) &SectionType,\r | |
796 | &TempGuid,\r | |
797 | 0,\r | |
798 | (VOID **) &Buffer,\r | |
799 | &BufferSize,\r | |
800 | &AuthenticationStatus\r | |
801 | );\r | |
802 | \r | |
803 | if (EFI_ERROR (Status)) {\r | |
804 | return Status;\r | |
805 | }\r | |
806 | //\r | |
807 | // If not ask the Security PPI, if exists, for disposition\r | |
808 | //\r | |
809 | //\r | |
84a99d48 | 810 | Status = PeiServicesLocatePpi (\r |
3005648d | 811 | &gEfiPeiSecurityPpiGuid,\r |
812 | 0,\r | |
813 | NULL,\r | |
814 | (VOID **)&Security\r | |
815 | );\r | |
816 | if (EFI_ERROR (Status)) {\r | |
817 | return Status;\r | |
818 | }\r | |
819 | \r | |
820 | Status = Security->AuthenticationState (\r | |
821 | GetPeiServicesTablePointer(),\r | |
822 | (struct _EFI_PEI_SECURITY_PPI *) Security,\r | |
823 | AuthenticationStatus,\r | |
824 | FfsFileHeader,\r | |
825 | &StartCrisisRecovery\r | |
826 | );\r | |
827 | \r | |
828 | if (EFI_ERROR (Status)) {\r | |
829 | return Status;\r | |
830 | }\r | |
831 | //\r | |
832 | // If there is a security violation, report to caller and have\r | |
833 | // the upper-level logic possible engender a crisis recovery\r | |
834 | //\r | |
835 | if (StartCrisisRecovery) {\r | |
836 | return EFI_SECURITY_VIOLATION;\r | |
837 | }\r | |
838 | }\r | |
839 | \r | |
840 | if (Section->Type == EFI_SECTION_PE32) {\r | |
841 | //\r | |
842 | // This is what we want\r | |
843 | //\r | |
844 | *Pe32Data = (VOID *) (Section + 1);\r | |
845 | return EFI_SUCCESS;\r | |
846 | } else if (Section->Type == EFI_SECTION_COMPRESSION) {\r | |
847 | //\r | |
848 | // This is a compression set, expand it\r | |
849 | //\r | |
850 | CompressionSection = (EFI_COMPRESSION_SECTION *) Section;\r | |
851 | \r | |
852 | switch (CompressionSection->CompressionType) {\r | |
853 | case EFI_STANDARD_COMPRESSION:\r | |
e29d7096 | 854 | if (FeaturePcdGet (PcdDxeIplSupportTianoDecompress)) {\r |
855 | DecompressLibrary = &gTianoDecompress;\r | |
856 | } else {\r | |
857 | ASSERT (FALSE);\r | |
858 | return EFI_NOT_FOUND;\r | |
859 | }\r | |
3005648d | 860 | break;\r |
861 | \r | |
862 | case EFI_CUSTOMIZED_COMPRESSION:\r | |
863 | //\r | |
864 | // Load user customized compression protocol.\r | |
865 | //\r | |
e29d7096 | 866 | if (FeaturePcdGet (PcdDxeIplSupportCustomDecompress)) {\r |
867 | DecompressLibrary = &gCustomDecompress;\r | |
868 | } else {\r | |
869 | ASSERT (FALSE);\r | |
870 | return EFI_NOT_FOUND;\r | |
871 | }\r | |
3005648d | 872 | break;\r |
873 | \r | |
874 | case EFI_NOT_COMPRESSED:\r | |
875 | default:\r | |
876 | //\r | |
877 | // Need to support not compressed file\r | |
878 | //\r | |
879 | ASSERT_EFI_ERROR (Status);\r | |
880 | return EFI_NOT_FOUND;\r | |
881 | }\r | |
882 | \r | |
883 | Status = DecompressLibrary->GetInfo (\r | |
884 | (UINT8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),\r | |
885 | (UINT32) SectionLength - sizeof (EFI_COMPRESSION_SECTION),\r | |
886 | &DstBufferSize,\r | |
887 | &ScratchBufferSize\r | |
888 | );\r | |
889 | if (EFI_ERROR (Status)) {\r | |
890 | //\r | |
891 | // GetInfo failed\r | |
892 | //\r | |
893 | return EFI_NOT_FOUND;\r | |
894 | }\r | |
895 | \r | |
896 | //\r | |
897 | // Allocate scratch buffer\r | |
898 | //\r | |
899 | ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize));\r | |
900 | if (ScratchBuffer == NULL) {\r | |
901 | return EFI_OUT_OF_RESOURCES;\r | |
902 | }\r | |
903 | \r | |
904 | //\r | |
905 | // Allocate destination buffer\r | |
906 | //\r | |
907 | DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));\r | |
908 | if (DstBuffer == NULL) {\r | |
909 | return EFI_OUT_OF_RESOURCES;\r | |
910 | }\r | |
911 | \r | |
912 | //\r | |
913 | // Call decompress function\r | |
914 | //\r | |
915 | Status = DecompressLibrary->Decompress (\r | |
916 | (CHAR8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),\r | |
917 | DstBuffer,\r | |
918 | ScratchBuffer\r | |
919 | );\r | |
920 | \r | |
921 | CmpSection = (EFI_COMMON_SECTION_HEADER *) DstBuffer;\r | |
d6697471 LG |
922 | if (CmpSection->Type == EFI_SECTION_FIRMWARE_VOLUME_IMAGE) {\r |
923 | // \r | |
924 | // Firmware Volume Image in this Section\r | |
925 | // Skip the section header to get FvHeader\r | |
3005648d | 926 | //\r |
d6697471 | 927 | FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (CmpSection + 1);\r |
3005648d | 928 | \r |
d6697471 LG |
929 | if (FvHeader->Signature == EFI_FVH_SIGNATURE) { \r |
930 | //\r | |
931 | // Adjust Fv Base Address Alignment based on Align Attributes in Fv Header\r | |
932 | //\r | |
933 | \r | |
934 | //\r | |
935 | // When FvImage support Alignment, we need to check whether \r | |
936 | // its alignment is correct. \r | |
937 | //\r | |
938 | if (FvHeader->Attributes | EFI_FVB_ALIGNMENT_CAP) {\r | |
939 | \r | |
940 | //\r | |
941 | // Calculate the mini alignment for this FvImage\r | |
942 | //\r | |
943 | FvAlignment = 1 << (LowBitSet32 (FvHeader->Attributes >> 16) + 1);\r | |
944 | \r | |
945 | //\r | |
946 | // If current FvImage base address doesn't meet the its alignment,\r | |
947 | // we need to reload this FvImage to another correct memory address.\r | |
948 | //\r | |
949 | if (((UINTN) FvHeader % FvAlignment) != 0) {\r | |
950 | DstBuffer = AllocateAlignedPages (EFI_SIZE_TO_PAGES ((UINTN) FvHeader->FvLength), FvAlignment);\r | |
951 | if (DstBuffer == NULL) {\r | |
952 | return EFI_OUT_OF_RESOURCES;\r | |
953 | }\r | |
954 | CopyMem (DstBuffer, FvHeader, (UINTN) FvHeader->FvLength);\r | |
955 | FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) DstBuffer; \r | |
956 | }\r | |
3005648d | 957 | }\r |
d6697471 LG |
958 | //\r |
959 | // Build new FvHob for new decompressed Fv image.\r | |
960 | //\r | |
961 | BuildFvHob ((EFI_PHYSICAL_ADDRESS) (UINTN) FvHeader, FvHeader->FvLength);\r | |
962 | \r | |
963 | //\r | |
964 | // Set the original FvHob to unused.\r | |
965 | //\r | |
2ea767cc | 966 | if (OrigHob != NULL) {\r |
2ea767cc | 967 | OrigHob->Header->HobType = EFI_HOB_TYPE_UNUSED;\r |
968 | }\r | |
969 | \r | |
6326ee4e | 970 | //\r |
d6697471 | 971 | // when search FvImage Section return true.\r |
6326ee4e | 972 | //\r |
d6697471 LG |
973 | if (SectionType == EFI_SECTION_FIRMWARE_VOLUME_IMAGE) {\r |
974 | *Pe32Data = (VOID *) FvHeader;\r | |
975 | return EFI_SUCCESS;\r | |
976 | } else {\r | |
977 | return EFI_NOT_FOUND;\r | |
978 | }\r | |
979 | \r | |
3005648d | 980 | }\r |
981 | }\r | |
982 | //\r | |
983 | // Decompress successfully.\r | |
984 | // Loop the decompressed data searching for expected section.\r | |
985 | //\r | |
986 | CmpFileData = (VOID *) DstBuffer;\r | |
987 | CmpFileSize = DstBufferSize;\r | |
988 | do {\r | |
989 | CmpSectionLength = *(UINT32 *) (CmpSection->Size) & 0x00ffffff;\r | |
990 | if (CmpSection->Type == EFI_SECTION_PE32) {\r | |
991 | //\r | |
992 | // This is what we want\r | |
993 | //\r | |
994 | *Pe32Data = (VOID *) (CmpSection + 1);\r | |
995 | return EFI_SUCCESS;\r | |
996 | }\r | |
997 | \r | |
998 | OccupiedCmpSectionLength = GetOccupiedSize (CmpSectionLength, 4);\r | |
999 | CmpSection = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) CmpSection + OccupiedCmpSectionLength);\r | |
1000 | } while (CmpSection->Type != 0 && (UINTN) ((UINT8 *) CmpSection - (UINT8 *) CmpFileData) < CmpFileSize);\r | |
1001 | }\r | |
d6697471 LG |
1002 | //\r |
1003 | // End of the decompression activity\r | |
1004 | //\r | |
3005648d | 1005 | \r |
1006 | Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) Section + OccupiedSectionLength);\r | |
1007 | FileSize = FfsFileHeader->Size[0] & 0xFF;\r | |
1008 | FileSize += (FfsFileHeader->Size[1] << 8) & 0xFF00;\r | |
1009 | FileSize += (FfsFileHeader->Size[2] << 16) & 0xFF0000;\r | |
1010 | FileSize &= 0x00FFFFFF;\r | |
1011 | } while (Section->Type != 0 && (UINTN) ((UINT8 *) Section - (UINT8 *) FfsFileHeader) < FileSize);\r | |
d6697471 | 1012 | \r |
3005648d | 1013 | //\r |
d6697471 LG |
1014 | // search all sections (compression and non compression) in this FFS, don't \r |
1015 | // find expected section.\r | |
3005648d | 1016 | //\r |
d6697471 | 1017 | return EFI_NOT_FOUND;\r |
3005648d | 1018 | } else {\r |
d6697471 LG |
1019 | //\r |
1020 | // For those FFS that doesn't contain compression section, directly search \r | |
1021 | // PE or TE section in this FFS.\r | |
1022 | //\r | |
3005648d | 1023 | \r |
84a99d48 | 1024 | Status = PeiServicesFfsFindSectionData (\r |
3005648d | 1025 | EFI_SECTION_PE32,\r |
1026 | FfsFileHeader,\r | |
1027 | &SectionData\r | |
1028 | );\r | |
1029 | \r | |
1030 | if (EFI_ERROR (Status)) {\r | |
84a99d48 | 1031 | Status = PeiServicesFfsFindSectionData (\r |
3005648d | 1032 | EFI_SECTION_TE,\r |
1033 | FfsFileHeader,\r | |
1034 | &SectionData\r | |
1035 | );\r | |
1036 | if (EFI_ERROR (Status)) {\r | |
1037 | return Status;\r | |
1038 | }\r | |
1039 | }\r | |
1040 | }\r | |
1041 | \r | |
1042 | *Pe32Data = SectionData;\r | |
1043 | \r | |
1044 | return EFI_SUCCESS;\r | |
5ab95f33 LG |
1045 | }\r |
1046 | \r |