]>
Commit | Line | Data |
---|---|---|
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 | |
55 | static EFI_PEI_PPI_DESCRIPTOR mPpiPeiInMemory = {\r | |
56 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
57 | &gPeiInMemoryGuid,\r | |
58 | NULL\r | |
59 | };\r | |
60 | \r | |
61 | static EFI_PEI_PPI_DESCRIPTOR mPpiSignal = {\r | |
62 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
63 | &gEfiEndOfPeiSignalPpiGuid,\r | |
64 | NULL\r | |
65 | };\r | |
66 | \r | |
e29d7096 | 67 | GLOBAL_REMOVE_IF_UNREFERENCED DECOMPRESS_LIBRARY gEfiDecompress = {\r |
3005648d | 68 | UefiDecompressGetInfo,\r |
69 | UefiDecompress\r | |
70 | };\r | |
71 | \r | |
e29d7096 | 72 | GLOBAL_REMOVE_IF_UNREFERENCED DECOMPRESS_LIBRARY gTianoDecompress = {\r |
3005648d | 73 | TianoDecompressGetInfo,\r |
74 | TianoDecompress\r | |
75 | };\r | |
76 | \r | |
e29d7096 | 77 | GLOBAL_REMOVE_IF_UNREFERENCED DECOMPRESS_LIBRARY gCustomDecompress = {\r |
3005648d | 78 | CustomDecompressGetInfo,\r |
79 | CustomDecompress\r | |
80 | };\r | |
81 | \r | |
82 | STATIC\r | |
83 | UINTN\r | |
84 | GetOccupiedSize (\r | |
85 | IN UINTN ActualSize,\r | |
86 | IN UINTN Alignment\r | |
87 | )\r | |
88 | {\r | |
89 | UINTN OccupiedSize;\r | |
90 | \r | |
91 | OccupiedSize = ActualSize;\r | |
92 | while ((OccupiedSize & (Alignment - 1)) != 0) {\r | |
93 | OccupiedSize++;\r | |
94 | }\r | |
95 | \r | |
96 | return OccupiedSize;\r | |
97 | }\r | |
98 | \r | |
99 | EFI_STATUS\r | |
100 | EFIAPI\r | |
101 | PeimInitializeDxeIpl (\r | |
102 | IN EFI_FFS_FILE_HEADER *FfsHeader,\r | |
103 | IN EFI_PEI_SERVICES **PeiServices\r | |
104 | )\r | |
105 | /*++\r | |
106 | \r | |
107 | Routine Description:\r | |
108 | \r | |
109 | Initializes the Dxe Ipl PPI\r | |
110 | \r | |
111 | Arguments:\r | |
112 | \r | |
113 | FfsHeader - Pointer to FFS file header\r | |
114 | PeiServices - General purpose services available to every PEIM.\r | |
115 | \r | |
116 | Returns:\r | |
117 | \r | |
118 | EFI_SUCCESS\r | |
119 | \r | |
120 | --*/\r | |
121 | {\r | |
122 | EFI_STATUS Status;\r | |
123 | EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader;\r | |
124 | EFI_BOOT_MODE BootMode;\r | |
125 | \r | |
84a99d48 | 126 | Status = PeiServicesGetBootMode (&BootMode);\r |
3005648d | 127 | \r |
128 | ASSERT_EFI_ERROR (Status);\r | |
129 | \r | |
84a99d48 | 130 | Status = PeiServicesLocatePpi (\r |
3005648d | 131 | &gPeiInMemoryGuid,\r |
132 | 0,\r | |
133 | NULL,\r | |
134 | NULL\r | |
135 | );\r | |
136 | \r | |
137 | if (EFI_ERROR (Status) && (BootMode != BOOT_ON_S3_RESUME)) { \r | |
138 | //\r | |
139 | // The DxeIpl has not yet been shadowed\r | |
140 | //\r | |
141 | PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol ();\r | |
142 | \r | |
143 | //\r | |
144 | // Shadow DxeIpl and then re-run its entry point\r | |
145 | //\r | |
146 | Status = ShadowDxeIpl (FfsHeader, PeiEfiPeiPeCoffLoader);\r | |
147 | if (EFI_ERROR (Status)) {\r | |
148 | return Status;\r | |
149 | }\r | |
150 | \r | |
151 | } else {\r | |
152 | if (BootMode != BOOT_ON_S3_RESUME) {\r | |
153 | //\r | |
154 | // The DxeIpl has been shadowed\r | |
155 | //\r | |
156 | gInMemory = TRUE;\r | |
157 | \r | |
158 | //\r | |
159 | // Install LoadFile PPI\r | |
160 | //\r | |
84a99d48 | 161 | Status = PeiServicesInstallPpi (&mPpiLoadFile);\r |
3005648d | 162 | \r |
163 | if (EFI_ERROR (Status)) {\r | |
164 | return Status;\r | |
165 | }\r | |
166 | }\r | |
167 | //\r | |
168 | // Install DxeIpl PPI\r | |
169 | //\r | |
84a99d48 | 170 | PeiServicesInstallPpi (&mPpiList);\r |
3005648d | 171 | \r |
172 | if (EFI_ERROR (Status)) {\r | |
173 | return Status;\r | |
174 | }\r | |
175 | \r | |
176 | }\r | |
177 | \r | |
178 | return EFI_SUCCESS;\r | |
179 | }\r | |
180 | \r | |
181 | EFI_STATUS\r | |
182 | EFIAPI\r | |
183 | DxeLoadCore (\r | |
184 | IN EFI_DXE_IPL_PPI *This,\r | |
185 | IN EFI_PEI_SERVICES **PeiServices,\r | |
186 | IN EFI_PEI_HOB_POINTERS HobList\r | |
187 | )\r | |
188 | /*++\r | |
189 | \r | |
190 | Routine Description:\r | |
191 | \r | |
192 | Main entry point to last PEIM\r | |
193 | \r | |
194 | Arguments:\r | |
195 | \r | |
196 | This - Entry point for DXE IPL PPI\r | |
197 | PeiServices - General purpose services available to every PEIM.\r | |
198 | HobList - Address to the Pei HOB list\r | |
199 | \r | |
200 | Returns:\r | |
201 | \r | |
202 | EFI_SUCCESS - DEX core was successfully loaded.\r | |
203 | EFI_OUT_OF_RESOURCES - There are not enough resources to load DXE core.\r | |
204 | \r | |
205 | --*/\r | |
206 | {\r | |
207 | EFI_STATUS Status;\r | |
208 | EFI_PHYSICAL_ADDRESS TopOfStack;\r | |
209 | EFI_PHYSICAL_ADDRESS BaseOfStack;\r | |
210 | EFI_PHYSICAL_ADDRESS BspStore;\r | |
211 | EFI_GUID DxeCoreFileName;\r | |
d6697471 | 212 | EFI_GUID FirmwareFileName;\r |
3005648d | 213 | VOID *DxeCorePe32Data;\r |
d6697471 | 214 | VOID *FvImageData; \r |
3005648d | 215 | EFI_PHYSICAL_ADDRESS DxeCoreAddress;\r |
216 | UINT64 DxeCoreSize;\r | |
217 | EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint;\r | |
218 | EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader;\r | |
219 | EFI_BOOT_MODE BootMode;\r | |
220 | EFI_PEI_RECOVERY_MODULE_PPI *PeiRecovery;\r | |
221 | EFI_PEI_S3_RESUME_PPI *S3Resume;\r | |
222 | EFI_PHYSICAL_ADDRESS PageTables;\r | |
223 | \r | |
224 | TopOfStack = 0;\r | |
225 | BaseOfStack = 0;\r | |
226 | BspStore = 0;\r | |
227 | Status = EFI_SUCCESS;\r | |
228 | \r | |
229 | //\r | |
230 | // if in S3 Resume, restore configure\r | |
231 | //\r | |
84a99d48 | 232 | Status = PeiServicesGetBootMode (&BootMode);\r |
3005648d | 233 | \r |
234 | if (!EFI_ERROR (Status) && (BootMode == BOOT_ON_S3_RESUME)) {\r | |
84a99d48 | 235 | Status = PeiServicesLocatePpi (\r |
3005648d | 236 | &gEfiPeiS3ResumePpiGuid,\r |
237 | 0,\r | |
238 | NULL,\r | |
239 | (VOID **)&S3Resume\r | |
240 | );\r | |
241 | \r | |
242 | ASSERT_EFI_ERROR (Status);\r | |
243 | \r | |
244 | Status = S3Resume->S3RestoreConfig (PeiServices);\r | |
245 | \r | |
246 | ASSERT_EFI_ERROR (Status);\r | |
247 | }\r | |
248 | \r | |
249 | Status = EFI_SUCCESS;\r | |
250 | \r | |
251 | //\r | |
252 | // Install the PEI Protocols that are shared between PEI and DXE\r | |
253 | //\r | |
fc198a79 | 254 | PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol ();\r |
a61513d6 | 255 | ASSERT (PeiEfiPeiPeCoffLoader != NULL);\r |
3005648d | 256 | \r |
3005648d | 257 | //\r |
258 | // Allocate 128KB for the Stack\r | |
259 | //\r | |
84a99d48 | 260 | PeiServicesAllocatePages (EfiBootServicesData, EFI_SIZE_TO_PAGES (STACK_SIZE), &BaseOfStack);\r |
3005648d | 261 | ASSERT (BaseOfStack != 0);\r |
262 | \r | |
263 | //\r | |
3e025b69 LG |
264 | // Compute the top of the stack we were allocated, which is used to load X64 dxe core. \r |
265 | // Pre-allocate a 32 bytes which confroms to x64 calling convention.\r | |
3005648d | 266 | //\r |
9723bdde LG |
267 | // The first four parameters to a function are passed in rcx, rdx, r8 and r9. \r |
268 | // Any further parameters are pushed on the stack. Furthermore, space (4 * 8bytes) for the \r | |
269 | // register parameters is reserved on the stack, in case the called function \r | |
270 | // wants to spill them; this is important if the function is variadic. \r | |
271 | //\r | |
272 | TopOfStack = BaseOfStack + EFI_SIZE_TO_PAGES (STACK_SIZE) * EFI_PAGE_SIZE - 32;\r | |
3005648d | 273 | \r |
3e025b69 LG |
274 | //\r |
275 | // X64 Calling Conventions requires that the stack must be aligned to 16 bytes\r | |
276 | //\r | |
5ab95f33 | 277 | TopOfStack = (EFI_PHYSICAL_ADDRESS) (UINTN) ALIGN_POINTER (TopOfStack, 16);\r |
3e025b69 | 278 | \r |
3005648d | 279 | //\r |
280 | // Add architecture-specifc HOBs (including the BspStore HOB)\r | |
281 | //\r | |
282 | Status = CreateArchSpecificHobs (&BspStore);\r | |
283 | ASSERT_EFI_ERROR (Status);\r | |
284 | \r | |
285 | //\r | |
286 | // See if we are in crisis recovery\r | |
287 | //\r | |
84a99d48 | 288 | Status = PeiServicesGetBootMode (&BootMode);\r |
3005648d | 289 | if (!EFI_ERROR (Status) && (BootMode == BOOT_IN_RECOVERY_MODE)) {\r |
84a99d48 | 290 | Status = PeiServicesLocatePpi (\r |
3005648d | 291 | &gEfiPeiRecoveryModulePpiGuid,\r |
292 | 0,\r | |
293 | NULL,\r | |
294 | (VOID **)&PeiRecovery\r | |
295 | );\r | |
296 | \r | |
297 | ASSERT_EFI_ERROR (Status);\r | |
298 | Status = PeiRecovery->LoadRecoveryCapsule (PeiServices, PeiRecovery);\r | |
f78797d5 LG |
299 | if (EFI_ERROR (Status)) {\r |
300 | DEBUG ((EFI_D_ERROR, "Load Recovery Capsule Failed.(Status = %r)\n", Status));\r | |
301 | CpuDeadLoop ();\r | |
302 | }\r | |
3005648d | 303 | }\r |
304 | \r | |
d6697471 LG |
305 | //\r |
306 | // Find the EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE type compressed Firmware Volume file\r | |
307 | // The file found will be processed by PeiProcessFile: It will first be decompressed to\r | |
308 | // a normal FV, then a corresponding FV type hob will be built. \r | |
309 | //\r | |
310 | Status = PeiFindFile (\r | |
311 | EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE,\r | |
312 | EFI_SECTION_FIRMWARE_VOLUME_IMAGE,\r | |
313 | &FirmwareFileName,\r | |
314 | &FvImageData\r | |
315 | );\r | |
316 | \r | |
3005648d | 317 | //\r |
318 | // Find the DXE Core in a Firmware Volume\r | |
319 | //\r | |
320 | Status = PeiFindFile (\r | |
321 | EFI_FV_FILETYPE_DXE_CORE,\r | |
322 | EFI_SECTION_PE32,\r | |
323 | &DxeCoreFileName,\r | |
324 | &DxeCorePe32Data\r | |
325 | );\r | |
326 | ASSERT_EFI_ERROR (Status);\r | |
327 | \r | |
3005648d | 328 | //\r |
5ab95f33 | 329 | // Load the GDT of Go64. Since the GDT of 32-bit Tiano locates in the BS_DATA\r |
3005648d | 330 | // memory, it may be corrupted when copying FV to high-end memory \r |
5ab95f33 | 331 | //\r |
3005648d | 332 | LoadGo64Gdt();\r |
333 | \r | |
334 | //\r | |
335 | // Limit to 36 bits of addressing for debug. Should get it from CPU\r | |
336 | //\r | |
337 | PageTables = CreateIdentityMappingPageTables (36);\r | |
338 | \r | |
339 | \r | |
340 | //\r | |
341 | // Load the DXE Core from a Firmware Volume\r | |
342 | //\r | |
fc198a79 | 343 | Status = PeiLoadPeImage (\r |
3005648d | 344 | PeiEfiPeiPeCoffLoader,\r |
345 | DxeCorePe32Data,\r | |
346 | EfiBootServicesData,\r | |
347 | &DxeCoreAddress,\r | |
348 | &DxeCoreSize,\r | |
349 | &DxeCoreEntryPoint\r | |
350 | );\r | |
351 | ASSERT_EFI_ERROR (Status);\r | |
352 | \r | |
a61513d6 LG |
353 | //\r |
354 | // Transfer control to the DXE Core\r | |
355 | // The handoff state is simply a pointer to the HOB list\r | |
356 | //\r | |
357 | \r | |
358 | Status = PeiServicesInstallPpi (&mPpiSignal);\r | |
359 | ASSERT_EFI_ERROR (Status);\r | |
360 | \r | |
3005648d | 361 | //\r |
362 | //\r | |
363 | // Add HOB for the DXE Core\r | |
364 | //\r | |
365 | BuildModuleHob (\r | |
366 | &DxeCoreFileName,\r | |
367 | DxeCoreAddress,\r | |
368 | DxeCoreSize,\r | |
369 | DxeCoreEntryPoint\r | |
370 | );\r | |
371 | \r | |
372 | //\r | |
373 | // Report Status Code EFI_SW_PEI_PC_HANDOFF_TO_NEXT\r | |
374 | //\r | |
375 | REPORT_STATUS_CODE (\r | |
376 | EFI_PROGRESS_CODE,\r | |
377 | EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_CORE_PC_HANDOFF_TO_NEXT\r | |
378 | );\r | |
379 | \r | |
380 | DEBUG ((EFI_D_INFO, "DXE Core Entry\n"));\r | |
381 | //\r | |
382 | // Go to Long Mode. Interrupts will not get turned on until the CPU AP is loaded.\r | |
383 | // Call x64 drivers passing in single argument, a pointer to the HOBs.\r | |
384 | //\r | |
385 | ActivateLongMode (\r | |
386 | PageTables, \r | |
387 | (EFI_PHYSICAL_ADDRESS)(UINTN)(HobList.Raw), \r | |
388 | TopOfStack,\r | |
389 | 0x00000000,\r | |
390 | DxeCoreEntryPoint\r | |
391 | );\r | |
392 | \r | |
393 | //\r | |
394 | // If we get here, then the DXE Core returned. This is an error\r | |
f78797d5 | 395 | // Dxe Core should not return.\r |
3005648d | 396 | //\r |
f78797d5 LG |
397 | ASSERT (FALSE);\r |
398 | CpuDeadLoop ();\r | |
3005648d | 399 | \r |
400 | return EFI_OUT_OF_RESOURCES;\r | |
401 | }\r | |
402 | \r | |
403 | EFI_STATUS\r | |
404 | PeiFindFile (\r | |
405 | IN UINT8 Type,\r | |
406 | IN UINT16 SectionType,\r | |
407 | OUT EFI_GUID *FileName,\r | |
408 | OUT VOID **Pe32Data\r | |
409 | )\r | |
410 | /*++\r | |
411 | \r | |
412 | Routine Description:\r | |
413 | \r | |
414 | Finds a PE/COFF of a specific Type and SectionType in the Firmware Volumes\r | |
415 | described in the HOB list. Able to search in a compression set in a FFS file.\r | |
416 | But only one level of compression is supported, that is, not able to search\r | |
417 | in a compression set that is within another compression set.\r | |
418 | \r | |
419 | Arguments:\r | |
420 | \r | |
421 | Type - The Type of file to retrieve\r | |
422 | \r | |
423 | SectionType - The type of section to retrieve from a file\r | |
424 | \r | |
425 | FileName - The name of the file found in the Firmware Volume\r | |
426 | \r | |
427 | Pe32Data - Pointer to the beginning of the PE/COFF file found in the Firmware Volume\r | |
428 | \r | |
429 | Returns:\r | |
430 | \r | |
431 | EFI_SUCCESS - The file was found, and the name is returned in FileName, and a pointer to\r | |
432 | the PE/COFF image is returned in Pe32Data\r | |
433 | \r | |
434 | EFI_NOT_FOUND - The file was not found in the Firmware Volumes present in the HOB List\r | |
435 | \r | |
436 | --*/\r | |
437 | {\r | |
438 | EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;\r | |
439 | EFI_FFS_FILE_HEADER *FfsFileHeader;\r | |
440 | VOID *SectionData;\r | |
441 | EFI_STATUS Status;\r | |
442 | EFI_PEI_HOB_POINTERS Hob;\r | |
443 | \r | |
444 | \r | |
445 | FwVolHeader = NULL;\r | |
446 | FfsFileHeader = NULL;\r | |
447 | SectionData = NULL;\r | |
d6697471 | 448 | Status = EFI_SUCCESS;\r |
3005648d | 449 | \r |
450 | //\r | |
d6697471 LG |
451 | // For each Firmware Volume, look for a specified type\r |
452 | // of file and break out until no one is found \r | |
3005648d | 453 | //\r |
454 | Hob.Raw = GetHobList ();\r | |
455 | while ((Hob.Raw = GetNextHob (EFI_HOB_TYPE_FV, Hob.Raw)) != NULL) {\r | |
456 | FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) (Hob.FirmwareVolume->BaseAddress);\r | |
84a99d48 | 457 | Status = PeiServicesFfsFindNextFile (\r |
3005648d | 458 | Type,\r |
459 | FwVolHeader,\r | |
460 | &FfsFileHeader\r | |
461 | );\r | |
462 | if (!EFI_ERROR (Status)) {\r | |
3005648d | 463 | Status = PeiProcessFile (\r |
464 | SectionType,\r | |
d6697471 | 465 | FfsFileHeader,\r |
2ea767cc | 466 | Pe32Data,\r |
467 | &Hob\r | |
3005648d | 468 | );\r |
6326ee4e | 469 | CopyMem (FileName, &FfsFileHeader->Name, sizeof (EFI_GUID));\r |
d6697471 LG |
470 | if (!EFI_ERROR (Status)) {\r |
471 | return EFI_SUCCESS;\r | |
472 | }\r | |
3005648d | 473 | }\r |
474 | Hob.Raw = GET_NEXT_HOB (Hob);\r | |
475 | }\r | |
476 | return EFI_NOT_FOUND;\r | |
477 | }\r | |
478 | \r | |
479 | EFI_STATUS\r | |
fc198a79 | 480 | PeiLoadPeImage (\r |
3005648d | 481 | IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader,\r |
482 | IN VOID *Pe32Data,\r | |
483 | IN EFI_MEMORY_TYPE MemoryType,\r | |
484 | OUT EFI_PHYSICAL_ADDRESS *ImageAddress,\r | |
485 | OUT UINT64 *ImageSize,\r | |
486 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint\r | |
487 | )\r | |
488 | /*++\r | |
489 | \r | |
490 | Routine Description:\r | |
491 | \r | |
492 | Loads and relocates a PE/COFF image into memory.\r | |
493 | \r | |
494 | Arguments:\r | |
495 | \r | |
496 | PeiEfiPeiPeCoffLoader - Pointer to a PE COFF loader protocol\r | |
497 | \r | |
498 | Pe32Data - The base address of the PE/COFF file that is to be loaded and relocated\r | |
499 | \r | |
500 | ImageAddress - The base address of the relocated PE/COFF image\r | |
501 | \r | |
502 | ImageSize - The size of the relocated PE/COFF image\r | |
503 | \r | |
504 | EntryPoint - The entry point of the relocated PE/COFF image\r | |
505 | \r | |
506 | Returns:\r | |
507 | \r | |
508 | EFI_SUCCESS - The file was loaded and relocated\r | |
509 | EFI_OUT_OF_RESOURCES - There was not enough memory to load and relocate the PE/COFF file\r | |
510 | \r | |
511 | --*/\r | |
512 | {\r | |
513 | EFI_STATUS Status;\r | |
514 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r | |
515 | EFI_PHYSICAL_ADDRESS MemoryBuffer;\r | |
516 | \r | |
517 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
518 | ImageContext.Handle = Pe32Data;\r | |
519 | Status = GetImageReadFunction (&ImageContext);\r | |
520 | \r | |
521 | ASSERT_EFI_ERROR (Status);\r | |
522 | \r | |
523 | Status = PeiEfiPeiPeCoffLoader->GetImageInfo (PeiEfiPeiPeCoffLoader, &ImageContext);\r | |
524 | if (EFI_ERROR (Status)) {\r | |
525 | return Status;\r | |
526 | }\r | |
527 | //\r | |
528 | // Allocate Memory for the image\r | |
529 | //\r | |
530 | //\r | |
531 | // Allocate Memory for the image\r | |
532 | //\r | |
84a99d48 | 533 | PeiServicesAllocatePages (MemoryType, EFI_SIZE_TO_PAGES ((UINT32) ImageContext.ImageSize), &MemoryBuffer);\r |
3005648d | 534 | ImageContext.ImageAddress = MemoryBuffer;\r |
535 | ASSERT (ImageContext.ImageAddress != 0);\r | |
536 | \r | |
537 | //\r | |
538 | // Load the image to our new buffer\r | |
539 | //\r | |
540 | \r | |
541 | Status = PeiEfiPeiPeCoffLoader->LoadImage (PeiEfiPeiPeCoffLoader, &ImageContext);\r | |
542 | if (EFI_ERROR (Status)) {\r | |
543 | return Status;\r | |
544 | }\r | |
545 | \r | |
546 | //\r | |
547 | // Relocate the image in our new buffer\r | |
548 | //\r | |
549 | Status = PeiEfiPeiPeCoffLoader->RelocateImage (PeiEfiPeiPeCoffLoader, &ImageContext);\r | |
550 | if (EFI_ERROR (Status)) {\r | |
551 | return Status;\r | |
552 | }\r | |
553 | \r | |
554 | //\r | |
555 | // Flush the instruction cache so the image data is written before we execute it\r | |
556 | //\r | |
557 | InvalidateInstructionCacheRange ((VOID *)(UINTN)ImageContext.ImageAddress, (UINTN)ImageContext.ImageSize);\r | |
558 | \r | |
559 | *ImageAddress = ImageContext.ImageAddress;\r | |
560 | *ImageSize = ImageContext.ImageSize;\r | |
561 | *EntryPoint = ImageContext.EntryPoint;\r | |
562 | \r | |
563 | return EFI_SUCCESS;\r | |
564 | }\r | |
565 | \r | |
566 | EFI_STATUS\r | |
567 | ShadowDxeIpl (\r | |
568 | IN EFI_FFS_FILE_HEADER *DxeIplFileHeader,\r | |
569 | IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader\r | |
570 | )\r | |
571 | /*++\r | |
572 | \r | |
573 | Routine Description:\r | |
574 | \r | |
575 | Shadow the DXE IPL to a different memory location. This occurs after permanent\r | |
576 | memory has been discovered.\r | |
577 | \r | |
578 | Arguments:\r | |
579 | \r | |
580 | DxeIplFileHeader - Pointer to the FFS file header of the DXE IPL driver\r | |
581 | \r | |
582 | PeiEfiPeiPeCoffLoader - Pointer to a PE COFF loader protocol\r | |
583 | \r | |
584 | Returns:\r | |
585 | \r | |
586 | EFI_SUCCESS - DXE IPL was successfully shadowed to a different memory location.\r | |
587 | \r | |
588 | EFI_ ERROR - The shadow was unsuccessful.\r | |
589 | \r | |
590 | \r | |
591 | --*/\r | |
592 | {\r | |
593 | UINTN SectionLength;\r | |
594 | UINTN OccupiedSectionLength;\r | |
595 | EFI_PHYSICAL_ADDRESS DxeIplAddress;\r | |
596 | UINT64 DxeIplSize;\r | |
597 | EFI_PHYSICAL_ADDRESS DxeIplEntryPoint;\r | |
598 | EFI_STATUS Status;\r | |
599 | EFI_COMMON_SECTION_HEADER *Section;\r | |
600 | \r | |
601 | Section = (EFI_COMMON_SECTION_HEADER *) (DxeIplFileHeader + 1);\r | |
602 | \r | |
603 | while ((Section->Type != EFI_SECTION_PE32) && (Section->Type != EFI_SECTION_TE)) {\r | |
604 | SectionLength = *(UINT32 *) (Section->Size) & 0x00ffffff;\r | |
605 | OccupiedSectionLength = GetOccupiedSize (SectionLength, 4);\r | |
606 | Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) Section + OccupiedSectionLength);\r | |
607 | }\r | |
608 | \r | |
609 | //\r | |
610 | // Relocate DxeIpl into memory by using loadfile service\r | |
611 | //\r | |
fc198a79 | 612 | Status = PeiLoadPeImage (\r |
3005648d | 613 | PeiEfiPeiPeCoffLoader,\r |
614 | (VOID *) (Section + 1),\r | |
615 | EfiBootServicesData,\r | |
616 | &DxeIplAddress,\r | |
617 | &DxeIplSize,\r | |
618 | &DxeIplEntryPoint\r | |
619 | );\r | |
620 | \r | |
621 | if (Status == EFI_SUCCESS) {\r | |
622 | //\r | |
623 | // Install PeiInMemory to indicate the Dxeipl is shadowed\r | |
624 | //\r | |
84a99d48 | 625 | Status = PeiServicesInstallPpi (&mPpiPeiInMemory);\r |
3005648d | 626 | \r |
627 | if (EFI_ERROR (Status)) {\r | |
628 | return Status;\r | |
629 | }\r | |
630 | \r | |
631 | Status = ((EFI_PEIM_ENTRY_POINT) (UINTN) DxeIplEntryPoint) (DxeIplFileHeader, GetPeiServicesTablePointer());\r | |
632 | }\r | |
633 | \r | |
634 | return Status;\r | |
635 | }\r | |
636 | \r | |
637 | EFI_STATUS\r | |
638 | EFIAPI\r | |
639 | DxeIplLoadFile (\r | |
640 | IN EFI_PEI_FV_FILE_LOADER_PPI *This,\r | |
641 | IN EFI_FFS_FILE_HEADER *FfsHeader,\r | |
642 | OUT EFI_PHYSICAL_ADDRESS *ImageAddress,\r | |
643 | OUT UINT64 *ImageSize,\r | |
644 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint\r | |
645 | )\r | |
646 | /*++\r | |
647 | \r | |
648 | Routine Description:\r | |
649 | \r | |
650 | Given a pointer to an FFS file containing a PE32 image, get the\r | |
651 | information on the PE32 image, and then "load" it so that it\r | |
652 | can be executed.\r | |
653 | \r | |
654 | Arguments:\r | |
655 | \r | |
656 | This - pointer to our file loader protocol\r | |
657 | FfsHeader - pointer to the FFS file header of the FFS file that\r | |
658 | contains the PE32 image we want to load\r | |
659 | ImageAddress - returned address where the PE32 image is loaded\r | |
660 | ImageSize - returned size of the loaded PE32 image\r | |
661 | EntryPoint - entry point to the loaded PE32 image\r | |
662 | \r | |
663 | Returns:\r | |
664 | \r | |
665 | EFI_SUCCESS - The FFS file was successfully loaded.\r | |
666 | EFI_ERROR - Unable to load the FFS file.\r | |
667 | \r | |
668 | --*/\r | |
669 | {\r | |
670 | EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader;\r | |
671 | EFI_STATUS Status;\r | |
672 | VOID *Pe32Data;\r | |
673 | \r | |
674 | Pe32Data = NULL;\r | |
675 | PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol ();\r | |
676 | \r | |
677 | //\r | |
678 | // Preprocess the FFS file to get a pointer to the PE32 information\r | |
679 | // in the enclosed PE32 image.\r | |
680 | //\r | |
681 | Status = PeiProcessFile (\r | |
682 | EFI_SECTION_PE32,\r | |
d6697471 | 683 | FfsHeader,\r |
2ea767cc | 684 | &Pe32Data,\r |
685 | NULL\r | |
3005648d | 686 | );\r |
687 | \r | |
688 | if (EFI_ERROR (Status)) {\r | |
689 | return Status;\r | |
690 | }\r | |
691 | //\r | |
692 | // Load the PE image from the FFS file\r | |
693 | //\r | |
fc198a79 | 694 | Status = PeiLoadPeImage (\r |
3005648d | 695 | PeiEfiPeiPeCoffLoader,\r |
696 | Pe32Data,\r | |
697 | EfiBootServicesData,\r | |
698 | ImageAddress,\r | |
699 | ImageSize,\r | |
700 | EntryPoint\r | |
701 | );\r | |
702 | \r | |
703 | return Status;\r | |
704 | }\r | |
705 | \r | |
706 | EFI_STATUS\r | |
707 | PeiProcessFile (\r | |
6326ee4e | 708 | IN UINT16 SectionType,\r |
d6697471 | 709 | IN EFI_FFS_FILE_HEADER *FfsFileHeader,\r |
2ea767cc | 710 | OUT VOID **Pe32Data,\r |
711 | IN EFI_PEI_HOB_POINTERS *OrigHob\r | |
3005648d | 712 | )\r |
713 | /*++\r | |
714 | \r | |
715 | Routine Description:\r | |
716 | \r | |
717 | Arguments:\r | |
718 | \r | |
719 | SectionType - The type of section in the FFS file to process.\r | |
720 | \r | |
721 | FfsFileHeader - Pointer to the FFS file to process, looking for the\r | |
722 | specified SectionType\r | |
723 | \r | |
724 | Pe32Data - returned pointer to the start of the PE32 image found\r | |
725 | in the FFS file.\r | |
726 | \r | |
727 | Returns:\r | |
728 | \r | |
729 | EFI_SUCCESS - found the PE32 section in the FFS file\r | |
730 | \r | |
731 | --*/\r | |
732 | {\r | |
733 | EFI_STATUS Status;\r | |
734 | VOID *SectionData;\r | |
735 | DECOMPRESS_LIBRARY *DecompressLibrary;\r | |
736 | UINT8 *DstBuffer;\r | |
737 | UINT8 *ScratchBuffer;\r | |
738 | UINT32 DstBufferSize;\r | |
739 | UINT32 ScratchBufferSize;\r | |
740 | EFI_COMMON_SECTION_HEADER *CmpSection;\r | |
741 | UINTN CmpSectionLength;\r | |
742 | UINTN OccupiedCmpSectionLength;\r | |
743 | VOID *CmpFileData;\r | |
744 | UINTN CmpFileSize;\r | |
745 | EFI_COMMON_SECTION_HEADER *Section;\r | |
746 | UINTN SectionLength;\r | |
747 | UINTN OccupiedSectionLength;\r | |
748 | UINT64 FileSize;\r | |
749 | EFI_GUID_DEFINED_SECTION *GuidedSectionHeader;\r | |
750 | UINT32 AuthenticationStatus;\r | |
751 | EFI_PEI_SECTION_EXTRACTION_PPI *SectionExtract;\r | |
752 | UINT32 BufferSize;\r | |
753 | UINT8 *Buffer;\r | |
754 | EFI_PEI_SECURITY_PPI *Security;\r | |
755 | BOOLEAN StartCrisisRecovery;\r | |
756 | EFI_GUID TempGuid;\r | |
757 | EFI_FIRMWARE_VOLUME_HEADER *FvHeader;\r | |
758 | EFI_COMPRESSION_SECTION *CompressionSection;\r | |
d6697471 | 759 | UINT32 FvAlignment;\r |
3005648d | 760 | \r |
84a99d48 | 761 | Status = PeiServicesFfsFindSectionData (\r |
3005648d | 762 | EFI_SECTION_COMPRESSION,\r |
763 | FfsFileHeader,\r | |
764 | &SectionData\r | |
765 | );\r | |
766 | \r | |
767 | //\r | |
d6697471 | 768 | // First process the compression section\r |
3005648d | 769 | //\r |
770 | if (!EFI_ERROR (Status)) {\r | |
771 | //\r | |
772 | // Yes, there is a compression section, so extract the contents\r | |
773 | // Decompress the image here\r | |
774 | //\r | |
775 | Section = (EFI_COMMON_SECTION_HEADER *) (UINTN) (VOID *) ((UINT8 *) (FfsFileHeader) + (UINTN) sizeof (EFI_FFS_FILE_HEADER));\r | |
776 | \r | |
777 | do {\r | |
778 | SectionLength = *(UINT32 *) (Section->Size) & 0x00ffffff;\r | |
779 | OccupiedSectionLength = GetOccupiedSize (SectionLength, 4);\r | |
780 | \r | |
781 | //\r | |
782 | // Was the DXE Core file encapsulated in a GUID'd section?\r | |
783 | //\r | |
784 | if (Section->Type == EFI_SECTION_GUID_DEFINED) {\r | |
785 | //\r | |
786 | // Locate the GUID'd Section Extractor\r | |
787 | //\r | |
788 | GuidedSectionHeader = (VOID *) (Section + 1);\r | |
789 | \r | |
790 | //\r | |
791 | // This following code constitutes the addition of the security model\r | |
792 | // to the DXE IPL.\r | |
793 | //\r | |
794 | //\r | |
795 | // Set a default authenticatino state\r | |
796 | //\r | |
797 | AuthenticationStatus = 0;\r | |
798 | \r | |
84a99d48 | 799 | Status = PeiServicesLocatePpi (\r |
3005648d | 800 | &gEfiPeiSectionExtractionPpiGuid,\r |
801 | 0,\r | |
802 | NULL,\r | |
803 | (VOID **)&SectionExtract\r | |
804 | );\r | |
805 | \r | |
806 | if (EFI_ERROR (Status)) {\r | |
807 | return Status;\r | |
808 | }\r | |
809 | //\r | |
810 | // Verify Authentication State\r | |
811 | //\r | |
812 | CopyMem (&TempGuid, Section + 1, sizeof (EFI_GUID));\r | |
813 | \r | |
814 | Status = SectionExtract->PeiGetSection (\r | |
815 | GetPeiServicesTablePointer(),\r | |
816 | SectionExtract,\r | |
817 | (EFI_SECTION_TYPE *) &SectionType,\r | |
818 | &TempGuid,\r | |
819 | 0,\r | |
820 | (VOID **) &Buffer,\r | |
821 | &BufferSize,\r | |
822 | &AuthenticationStatus\r | |
823 | );\r | |
824 | \r | |
825 | if (EFI_ERROR (Status)) {\r | |
826 | return Status;\r | |
827 | }\r | |
828 | //\r | |
829 | // If not ask the Security PPI, if exists, for disposition\r | |
830 | //\r | |
831 | //\r | |
84a99d48 | 832 | Status = PeiServicesLocatePpi (\r |
3005648d | 833 | &gEfiPeiSecurityPpiGuid,\r |
834 | 0,\r | |
835 | NULL,\r | |
836 | (VOID **)&Security\r | |
837 | );\r | |
838 | if (EFI_ERROR (Status)) {\r | |
839 | return Status;\r | |
840 | }\r | |
841 | \r | |
842 | Status = Security->AuthenticationState (\r | |
843 | GetPeiServicesTablePointer(),\r | |
844 | (struct _EFI_PEI_SECURITY_PPI *) Security,\r | |
845 | AuthenticationStatus,\r | |
846 | FfsFileHeader,\r | |
847 | &StartCrisisRecovery\r | |
848 | );\r | |
849 | \r | |
850 | if (EFI_ERROR (Status)) {\r | |
851 | return Status;\r | |
852 | }\r | |
853 | //\r | |
854 | // If there is a security violation, report to caller and have\r | |
855 | // the upper-level logic possible engender a crisis recovery\r | |
856 | //\r | |
857 | if (StartCrisisRecovery) {\r | |
858 | return EFI_SECURITY_VIOLATION;\r | |
859 | }\r | |
860 | }\r | |
861 | \r | |
862 | if (Section->Type == EFI_SECTION_PE32) {\r | |
863 | //\r | |
864 | // This is what we want\r | |
865 | //\r | |
866 | *Pe32Data = (VOID *) (Section + 1);\r | |
867 | return EFI_SUCCESS;\r | |
868 | } else if (Section->Type == EFI_SECTION_COMPRESSION) {\r | |
869 | //\r | |
870 | // This is a compression set, expand it\r | |
871 | //\r | |
872 | CompressionSection = (EFI_COMPRESSION_SECTION *) Section;\r | |
873 | \r | |
874 | switch (CompressionSection->CompressionType) {\r | |
875 | case EFI_STANDARD_COMPRESSION:\r | |
e29d7096 | 876 | if (FeaturePcdGet (PcdDxeIplSupportTianoDecompress)) {\r |
877 | DecompressLibrary = &gTianoDecompress;\r | |
878 | } else {\r | |
879 | ASSERT (FALSE);\r | |
880 | return EFI_NOT_FOUND;\r | |
881 | }\r | |
3005648d | 882 | break;\r |
883 | \r | |
884 | case EFI_CUSTOMIZED_COMPRESSION:\r | |
885 | //\r | |
886 | // Load user customized compression protocol.\r | |
887 | //\r | |
e29d7096 | 888 | if (FeaturePcdGet (PcdDxeIplSupportCustomDecompress)) {\r |
889 | DecompressLibrary = &gCustomDecompress;\r | |
890 | } else {\r | |
891 | ASSERT (FALSE);\r | |
892 | return EFI_NOT_FOUND;\r | |
893 | }\r | |
3005648d | 894 | break;\r |
895 | \r | |
896 | case EFI_NOT_COMPRESSED:\r | |
897 | default:\r | |
898 | //\r | |
899 | // Need to support not compressed file\r | |
900 | //\r | |
901 | ASSERT_EFI_ERROR (Status);\r | |
902 | return EFI_NOT_FOUND;\r | |
903 | }\r | |
904 | \r | |
905 | Status = DecompressLibrary->GetInfo (\r | |
906 | (UINT8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),\r | |
907 | (UINT32) SectionLength - sizeof (EFI_COMPRESSION_SECTION),\r | |
908 | &DstBufferSize,\r | |
909 | &ScratchBufferSize\r | |
910 | );\r | |
911 | if (EFI_ERROR (Status)) {\r | |
912 | //\r | |
913 | // GetInfo failed\r | |
914 | //\r | |
915 | return EFI_NOT_FOUND;\r | |
916 | }\r | |
917 | \r | |
918 | //\r | |
919 | // Allocate scratch buffer\r | |
920 | //\r | |
921 | ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize));\r | |
922 | if (ScratchBuffer == NULL) {\r | |
923 | return EFI_OUT_OF_RESOURCES;\r | |
924 | }\r | |
925 | \r | |
926 | //\r | |
927 | // Allocate destination buffer\r | |
928 | //\r | |
929 | DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));\r | |
930 | if (DstBuffer == NULL) {\r | |
931 | return EFI_OUT_OF_RESOURCES;\r | |
932 | }\r | |
933 | \r | |
934 | //\r | |
935 | // Call decompress function\r | |
936 | //\r | |
937 | Status = DecompressLibrary->Decompress (\r | |
938 | (CHAR8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),\r | |
939 | DstBuffer,\r | |
940 | ScratchBuffer\r | |
941 | );\r | |
942 | \r | |
943 | CmpSection = (EFI_COMMON_SECTION_HEADER *) DstBuffer;\r | |
d6697471 LG |
944 | if (CmpSection->Type == EFI_SECTION_FIRMWARE_VOLUME_IMAGE) {\r |
945 | // \r | |
946 | // Firmware Volume Image in this Section\r | |
947 | // Skip the section header to get FvHeader\r | |
3005648d | 948 | //\r |
d6697471 | 949 | FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (CmpSection + 1);\r |
3005648d | 950 | \r |
d6697471 LG |
951 | if (FvHeader->Signature == EFI_FVH_SIGNATURE) { \r |
952 | //\r | |
953 | // Adjust Fv Base Address Alignment based on Align Attributes in Fv Header\r | |
954 | //\r | |
955 | \r | |
956 | //\r | |
957 | // When FvImage support Alignment, we need to check whether \r | |
958 | // its alignment is correct. \r | |
959 | //\r | |
960 | if (FvHeader->Attributes | EFI_FVB_ALIGNMENT_CAP) {\r | |
961 | \r | |
962 | //\r | |
963 | // Calculate the mini alignment for this FvImage\r | |
964 | //\r | |
965 | FvAlignment = 1 << (LowBitSet32 (FvHeader->Attributes >> 16) + 1);\r | |
966 | \r | |
967 | //\r | |
968 | // If current FvImage base address doesn't meet the its alignment,\r | |
969 | // we need to reload this FvImage to another correct memory address.\r | |
970 | //\r | |
971 | if (((UINTN) FvHeader % FvAlignment) != 0) {\r | |
972 | DstBuffer = AllocateAlignedPages (EFI_SIZE_TO_PAGES ((UINTN) FvHeader->FvLength), FvAlignment);\r | |
973 | if (DstBuffer == NULL) {\r | |
974 | return EFI_OUT_OF_RESOURCES;\r | |
975 | }\r | |
976 | CopyMem (DstBuffer, FvHeader, (UINTN) FvHeader->FvLength);\r | |
977 | FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) DstBuffer; \r | |
978 | }\r | |
3005648d | 979 | }\r |
d6697471 LG |
980 | //\r |
981 | // Build new FvHob for new decompressed Fv image.\r | |
982 | //\r | |
983 | BuildFvHob ((EFI_PHYSICAL_ADDRESS) (UINTN) FvHeader, FvHeader->FvLength);\r | |
984 | \r | |
985 | //\r | |
986 | // Set the original FvHob to unused.\r | |
987 | //\r | |
2ea767cc | 988 | if (OrigHob != NULL) {\r |
2ea767cc | 989 | OrigHob->Header->HobType = EFI_HOB_TYPE_UNUSED;\r |
990 | }\r | |
991 | \r | |
6326ee4e | 992 | //\r |
d6697471 | 993 | // when search FvImage Section return true.\r |
6326ee4e | 994 | //\r |
d6697471 LG |
995 | if (SectionType == EFI_SECTION_FIRMWARE_VOLUME_IMAGE) {\r |
996 | *Pe32Data = (VOID *) FvHeader;\r | |
997 | return EFI_SUCCESS;\r | |
998 | } else {\r | |
999 | return EFI_NOT_FOUND;\r | |
1000 | }\r | |
1001 | \r | |
3005648d | 1002 | }\r |
1003 | }\r | |
1004 | //\r | |
1005 | // Decompress successfully.\r | |
1006 | // Loop the decompressed data searching for expected section.\r | |
1007 | //\r | |
1008 | CmpFileData = (VOID *) DstBuffer;\r | |
1009 | CmpFileSize = DstBufferSize;\r | |
1010 | do {\r | |
1011 | CmpSectionLength = *(UINT32 *) (CmpSection->Size) & 0x00ffffff;\r | |
1012 | if (CmpSection->Type == EFI_SECTION_PE32) {\r | |
1013 | //\r | |
1014 | // This is what we want\r | |
1015 | //\r | |
1016 | *Pe32Data = (VOID *) (CmpSection + 1);\r | |
1017 | return EFI_SUCCESS;\r | |
1018 | }\r | |
1019 | \r | |
1020 | OccupiedCmpSectionLength = GetOccupiedSize (CmpSectionLength, 4);\r | |
1021 | CmpSection = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) CmpSection + OccupiedCmpSectionLength);\r | |
1022 | } while (CmpSection->Type != 0 && (UINTN) ((UINT8 *) CmpSection - (UINT8 *) CmpFileData) < CmpFileSize);\r | |
1023 | }\r | |
d6697471 LG |
1024 | //\r |
1025 | // End of the decompression activity\r | |
1026 | //\r | |
3005648d | 1027 | \r |
1028 | Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) Section + OccupiedSectionLength);\r | |
1029 | FileSize = FfsFileHeader->Size[0] & 0xFF;\r | |
1030 | FileSize += (FfsFileHeader->Size[1] << 8) & 0xFF00;\r | |
1031 | FileSize += (FfsFileHeader->Size[2] << 16) & 0xFF0000;\r | |
1032 | FileSize &= 0x00FFFFFF;\r | |
1033 | } while (Section->Type != 0 && (UINTN) ((UINT8 *) Section - (UINT8 *) FfsFileHeader) < FileSize);\r | |
d6697471 | 1034 | \r |
3005648d | 1035 | //\r |
d6697471 LG |
1036 | // search all sections (compression and non compression) in this FFS, don't \r |
1037 | // find expected section.\r | |
3005648d | 1038 | //\r |
d6697471 | 1039 | return EFI_NOT_FOUND;\r |
3005648d | 1040 | } else {\r |
d6697471 LG |
1041 | //\r |
1042 | // For those FFS that doesn't contain compression section, directly search \r | |
1043 | // PE or TE section in this FFS.\r | |
1044 | //\r | |
3005648d | 1045 | \r |
84a99d48 | 1046 | Status = PeiServicesFfsFindSectionData (\r |
3005648d | 1047 | EFI_SECTION_PE32,\r |
1048 | FfsFileHeader,\r | |
1049 | &SectionData\r | |
1050 | );\r | |
1051 | \r | |
1052 | if (EFI_ERROR (Status)) {\r | |
84a99d48 | 1053 | Status = PeiServicesFfsFindSectionData (\r |
3005648d | 1054 | EFI_SECTION_TE,\r |
1055 | FfsFileHeader,\r | |
1056 | &SectionData\r | |
1057 | );\r | |
1058 | if (EFI_ERROR (Status)) {\r | |
1059 | return Status;\r | |
1060 | }\r | |
1061 | }\r | |
1062 | }\r | |
1063 | \r | |
1064 | *Pe32Data = SectionData;\r | |
1065 | \r | |
1066 | return EFI_SUCCESS;\r | |
5ab95f33 LG |
1067 | }\r |
1068 | \r |