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clean up the un-suitable ';' location when declaring the functions.
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1/** @file\r
2 Pei Core Load Image Support\r
3 \r
4Copyright (c) 2006 - 2008, Intel Corporation \r
5All rights reserved. This program and the accompanying materials \r
6are licensed and made available under the terms and conditions of the BSD License \r
7which accompanies this distribution. The full text of the license may be found at \r
8http://opensource.org/licenses/bsd-license.php \r
9 \r
10THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
11WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
12\r
13**/\r
14\r
15#include <PeiMain.h>\r
16\r
17/**\r
18 The wrapper function of PeiLoadImageLoadImage().\r
19\r
20 @param This - Pointer to EFI_PEI_LOAD_FILE_PPI.\r
21 @param FileHandle - Pointer to the FFS file header of the image.\r
22 @param ImageAddressArg - Pointer to PE/TE image.\r
23 @param ImageSizeArg - Size of PE/TE image.\r
24 @param EntryPoint - Pointer to entry point of specified image file for output.\r
25 @param AuthenticationState - Pointer to attestation authentication state of image.\r
26\r
27 @return Status of PeiLoadImageLoadImage().\r
28\r
29**/\r
30EFI_STATUS\r
31EFIAPI\r
32PeiLoadImageLoadImageWrapper (\r
33 IN CONST EFI_PEI_LOAD_FILE_PPI *This,\r
34 IN EFI_PEI_FILE_HANDLE FileHandle,\r
35 OUT EFI_PHYSICAL_ADDRESS *ImageAddressArg, OPTIONAL\r
36 OUT UINT64 *ImageSizeArg, OPTIONAL\r
37 OUT EFI_PHYSICAL_ADDRESS *EntryPoint,\r
38 OUT UINT32 *AuthenticationState\r
39 );\r
40\r
41STATIC EFI_PEI_LOAD_FILE_PPI mPeiLoadImagePpi = {\r
42 PeiLoadImageLoadImageWrapper\r
43};\r
44\r
45\r
46STATIC EFI_PEI_PPI_DESCRIPTOR gPpiLoadFilePpiList = {\r
47 (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
48 &gEfiPeiLoadFilePpiGuid,\r
49 &mPeiLoadImagePpi\r
50};\r
51\r
52/**\r
53\r
54 Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file\r
55\r
56\r
57 @param FileHandle - The handle to the PE/COFF file\r
58 @param FileOffset - The offset, in bytes, into the file to read\r
59 @param ReadSize - The number of bytes to read from the file starting at FileOffset\r
60 @param Buffer - A pointer to the buffer to read the data into.\r
61\r
62 @return EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset\r
63\r
64**/\r
65EFI_STATUS\r
66EFIAPI\r
67PeiImageRead (\r
68 IN VOID *FileHandle,\r
69 IN UINTN FileOffset,\r
70 IN UINTN *ReadSize,\r
71 OUT VOID *Buffer\r
72 )\r
73{\r
74 CHAR8 *Destination8;\r
75 CHAR8 *Source8;\r
76 UINTN Length;\r
77\r
78 Destination8 = Buffer;\r
79 Source8 = (CHAR8 *) ((UINTN) FileHandle + FileOffset);\r
80 Length = *ReadSize;\r
81 while (Length--) {\r
82 *(Destination8++) = *(Source8++);\r
83 }\r
84\r
85 return EFI_SUCCESS;\r
86}\r
87\r
88/**\r
89\r
90 Support routine to get the Image read file function.\r
91\r
92 @param ImageContext - The context of the image being loaded\r
93\r
94 @retval EFI_SUCCESS - If Image function location is found\r
95\r
96**/\r
97EFI_STATUS\r
98GetImageReadFunction (\r
99 IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r
100 )\r
101{\r
102 VOID* MemoryBuffer;\r
103\r
104 MemoryBuffer = AllocatePages (0x400 / EFI_PAGE_SIZE + 1);\r
105 ASSERT (MemoryBuffer != NULL);\r
106\r
107 CopyMem (MemoryBuffer, (CONST VOID *) (UINTN) PeiImageRead, 0x400);\r
108\r
109 ImageContext->ImageRead = (PE_COFF_LOADER_READ_FILE) (UINTN) MemoryBuffer;\r
110\r
111 return EFI_SUCCESS;\r
112}\r
113\r
114/**\r
115\r
116 Loads and relocates a PE/COFF image into memory.\r
117\r
118\r
119 @param Pe32Data - The base address of the PE/COFF file that is to be loaded and relocated\r
120 @param ImageAddress - The base address of the relocated PE/COFF image\r
121 @param ImageSize - The size of the relocated PE/COFF image\r
122 @param EntryPoint - The entry point of the relocated PE/COFF image\r
123\r
124 @retval EFI_SUCCESS The file was loaded and relocated\r
125 @retval EFI_OUT_OF_RESOURCES There was not enough memory to load and relocate the PE/COFF file\r
126 @retval EFI_INVALID_PARAMETER The image withou .reloc section can't be relocated.\r
127\r
128**/\r
129EFI_STATUS\r
130LoadAndRelocatePeCoffImage (\r
131 IN VOID *Pe32Data,\r
132 OUT EFI_PHYSICAL_ADDRESS *ImageAddress,\r
133 OUT UINT64 *ImageSize,\r
134 OUT EFI_PHYSICAL_ADDRESS *EntryPoint\r
135 )\r
136{\r
137 EFI_STATUS Status;\r
138 PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r
139\r
140 ZeroMem (&ImageContext, sizeof (ImageContext));\r
141 ImageContext.Handle = Pe32Data;\r
142 Status = GetImageReadFunction (&ImageContext);\r
143\r
144 ASSERT_EFI_ERROR (Status);\r
145\r
146 Status = PeCoffLoaderGetImageInfo (&ImageContext);\r
147 if (EFI_ERROR (Status)) {\r
148 return Status;\r
149 }\r
150 //\r
151 // When Image has no reloc section, it can't be relocated into memory.\r
152 //\r
153 if (ImageContext.RelocationsStripped) {\r
154 DEBUG ((EFI_D_ERROR, "The image at 0x%08x without reloc section can't be loaded into memory\n", (UINTN) Pe32Data));\r
155 return EFI_INVALID_PARAMETER;\r
156 }\r
157 //\r
158 // Allocate Memory for the image\r
159 //\r
160 ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) AllocatePages (EFI_SIZE_TO_PAGES ((UINT32) ImageContext.ImageSize));\r
161 ASSERT (ImageContext.ImageAddress != 0);\r
162 \r
163 //\r
164 // Skip the reserved space for the stripped PeHeader when load TeImage into memory.\r
165 //\r
166 if (ImageContext.IsTeImage) {\r
167 ImageContext.ImageAddress = ImageContext.ImageAddress + \r
168 ((EFI_TE_IMAGE_HEADER *) Pe32Data)->StrippedSize -\r
169 sizeof (EFI_TE_IMAGE_HEADER);\r
170 }\r
171\r
172 //\r
173 // Load the image to our new buffer\r
174 //\r
175 Status = PeCoffLoaderLoadImage (&ImageContext);\r
176 if (EFI_ERROR (Status)) {\r
177 return Status;\r
178 }\r
179 //\r
180 // Relocate the image in our new buffer\r
181 //\r
182 Status = PeCoffLoaderRelocateImage (&ImageContext);\r
183 if (EFI_ERROR (Status)) {\r
184 return Status;\r
185 }\r
186\r
187 //\r
188 // Flush the instruction cache so the image data is written before we execute it\r
189 //\r
190 InvalidateInstructionCacheRange ((VOID *)(UINTN)ImageContext.ImageAddress, (UINTN)ImageContext.ImageSize);\r
191\r
192 *ImageAddress = ImageContext.ImageAddress;\r
193 *ImageSize = ImageContext.ImageSize;\r
194 *EntryPoint = ImageContext.EntryPoint;\r
195\r
196 return EFI_SUCCESS;\r
197}\r
198\r
199/**\r
200 Loads a PEIM into memory for subsequent execution. If there are compressed \r
201 images or images that need to be relocated into memory for performance reasons, \r
202 this service performs that transformation.\r
203\r
204 @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r
205 @param FileHandle Pointer to the FFS file header of the image.\r
206 @param ImageAddressArg Pointer to PE/TE image.\r
207 @param ImageSizeArg Size of PE/TE image.\r
208 @param EntryPoint Pointer to entry point of specified image file for output.\r
209 @param AuthenticationState - Pointer to attestation authentication state of image.\r
210\r
211 @retval EFI_SUCCESS Image is successfully loaded.\r
212 @retval EFI_NOT_FOUND Fail to locate necessary PPI.\r
213 @retval EFI_UNSUPPORTED Image Machine Type is not supported.\r
214\r
215**/\r
216EFI_STATUS\r
217PeiLoadImageLoadImage (\r
218 IN EFI_PEI_SERVICES **PeiServices,\r
219 IN EFI_PEI_FILE_HANDLE FileHandle,\r
220 OUT EFI_PHYSICAL_ADDRESS *ImageAddressArg, OPTIONAL\r
221 OUT UINT64 *ImageSizeArg, OPTIONAL\r
222 OUT EFI_PHYSICAL_ADDRESS *EntryPoint,\r
223 OUT UINT32 *AuthenticationState\r
224 )\r
225{\r
226 EFI_STATUS Status;\r
227 VOID *Pe32Data;\r
228 EFI_PHYSICAL_ADDRESS ImageAddress;\r
229 UINT64 ImageSize;\r
230 EFI_PHYSICAL_ADDRESS ImageEntryPoint;\r
231 UINT16 Machine;\r
232 PEI_CORE_INSTANCE *Private;\r
233 VOID *EntryPointArg;\r
234 EFI_SECTION_TYPE SearchType1;\r
235 EFI_SECTION_TYPE SearchType2;\r
236\r
237 *EntryPoint = 0;\r
238 ImageSize = 0;\r
239 *AuthenticationState = 0;\r
240\r
241 if (FeaturePcdGet (PcdPeiCoreImageLoaderSearchTeSectionFirst)) {\r
242 SearchType1 = EFI_SECTION_TE;\r
243 SearchType2 = EFI_SECTION_PE32;\r
244 } else {\r
245 SearchType1 = EFI_SECTION_PE32;\r
246 SearchType2 = EFI_SECTION_TE;\r
247 }\r
248 //\r
249 // Try to find a first exe section (if PcdPeiCoreImageLoaderSearchTeSectionFirst \r
250 // is true, TE will be searched first).\r
251 //\r
252 Status = PeiServicesFfsFindSectionData (\r
253 SearchType1,\r
254 FileHandle,\r
255 &Pe32Data\r
256 );\r
257 //\r
258 // If we didn't find a first exe section, try to find the second exe section.\r
259 //\r
260 if (EFI_ERROR (Status)) {\r
261 Status = PeiServicesFfsFindSectionData (\r
262 SearchType2,\r
263 FileHandle,\r
264 &Pe32Data\r
265 );\r
266 if (EFI_ERROR (Status)) {\r
267 //\r
268 // PEI core only carry the loader function fro TE and PE32 executables\r
269 // If this two section does not exist, just return.\r
270 //\r
271 return Status;\r
272 }\r
273 }\r
274 \r
275 Private = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);\r
276\r
277 if (Private->PeiMemoryInstalled && \r
278 (Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME)) {\r
279 //\r
280 // If memory is installed, perform the shadow operations\r
281 //\r
282 Status = LoadAndRelocatePeCoffImage (\r
283 Pe32Data,\r
284 &ImageAddress,\r
285 &ImageSize,\r
286 &ImageEntryPoint\r
287 );\r
288\r
289 if (EFI_ERROR (Status)) {\r
290 return Status;\r
291 }\r
292\r
293 //\r
294 // Got the entry point from the loaded Pe32Data\r
295 //\r
296 Pe32Data = (VOID *) ((UINTN) ImageAddress);\r
297 *EntryPoint = ImageEntryPoint;\r
298 } else {\r
299 //\r
300 // Retrieve the entry point from the PE/COFF or TE image header\r
301 //\r
302 ImageAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) Pe32Data;\r
303 Status = PeCoffLoaderGetEntryPoint (Pe32Data, &EntryPointArg);\r
304 if (EFI_ERROR (Status)) {\r
305 return Status;\r
306 }\r
307 *EntryPoint = (EFI_PHYSICAL_ADDRESS) (UINTN) EntryPointArg;\r
308 }\r
309 \r
310 Machine = PeCoffLoaderGetMachineType (Pe32Data);\r
311 \r
312 if (!EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Machine)) {\r
313 return EFI_UNSUPPORTED; \r
314 }\r
315\r
316 if (ImageAddressArg != NULL) {\r
317 *ImageAddressArg = ImageAddress;\r
318 }\r
319\r
320 if (ImageSizeArg != NULL) {\r
321 *ImageSizeArg = ImageSize;\r
322 }\r
323 \r
324 DEBUG_CODE_BEGIN ();\r
325 CHAR8 *AsciiString;\r
326 CHAR8 AsciiBuffer[512];\r
327 INT32 Index;\r
328 INT32 Index1;\r
329\r
330 //\r
331 // Print debug message: Loading PEIM at 0x12345678 EntryPoint=0x12345688 Driver.efi\r
332 //\r
333 if (Machine != IMAGE_FILE_MACHINE_IA64) {\r
334 DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading PEIM at 0x%11p EntryPoint=0x%11p ", (VOID *)(UINTN)ImageAddress, (VOID *)(UINTN)*EntryPoint));\r
335 } else {\r
336 //\r
337 // For IPF Image, the real entry point should be print.\r
338 //\r
339 DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading PEIM at 0x%11p EntryPoint=0x%11p ", (VOID *)(UINTN)ImageAddress, (VOID *)(UINTN)(*(UINT64 *)(UINTN)*EntryPoint)));\r
340 }\r
341 \r
342 //\r
343 // Print Module Name by PeImage PDB file name.\r
344 //\r
345 AsciiString = PeCoffLoaderGetPdbPointer (Pe32Data);\r
346 \r
347 if (AsciiString != NULL) {\r
348 for (Index = (INT32) AsciiStrLen (AsciiString) - 1; Index >= 0; Index --) {\r
349 if (AsciiString[Index] == '\\') {\r
350 break;\r
351 }\r
352 }\r
353\r
354 if (Index != 0) {\r
355 for (Index1 = 0; AsciiString[Index + 1 + Index1] != '.'; Index1 ++) {\r
356 AsciiBuffer [Index1] = AsciiString[Index + 1 + Index1];\r
357 }\r
358 AsciiBuffer [Index1] = '\0';\r
359 DEBUG ((EFI_D_INFO | EFI_D_LOAD, "%a.efi", AsciiBuffer));\r
360 }\r
361 }\r
362\r
363 DEBUG_CODE_END ();\r
364\r
365 DEBUG ((EFI_D_INFO | EFI_D_LOAD, "\n"));\r
366\r
367 return EFI_SUCCESS;\r
368\r
369}\r
370\r
371\r
372/**\r
373 The wrapper function of PeiLoadImageLoadImage().\r
374\r
375 @param This - Pointer to EFI_PEI_LOAD_FILE_PPI.\r
376 @param FileHandle - Pointer to the FFS file header of the image.\r
377 @param ImageAddressArg - Pointer to PE/TE image.\r
378 @param ImageSizeArg - Size of PE/TE image.\r
379 @param EntryPoint - Pointer to entry point of specified image file for output.\r
380 @param AuthenticationState - Pointer to attestation authentication state of image.\r
381\r
382 @return Status of PeiLoadImageLoadImage().\r
383\r
384**/\r
385EFI_STATUS\r
386EFIAPI\r
387PeiLoadImageLoadImageWrapper (\r
388 IN CONST EFI_PEI_LOAD_FILE_PPI *This,\r
389 IN EFI_PEI_FILE_HANDLE FileHandle,\r
390 OUT EFI_PHYSICAL_ADDRESS *ImageAddressArg, OPTIONAL\r
391 OUT UINT64 *ImageSizeArg, OPTIONAL\r
392 OUT EFI_PHYSICAL_ADDRESS *EntryPoint,\r
393 OUT UINT32 *AuthenticationState\r
394 )\r
395{\r
396 return PeiLoadImageLoadImage (\r
397 GetPeiServicesTablePointer (),\r
398 FileHandle,\r
399 ImageAddressArg,\r
400 ImageSizeArg,\r
401 EntryPoint,\r
402 AuthenticationState\r
403 );\r
404}\r
405\r
406/**\r
407 Routine to load image file for subsequent execution by LoadFile Ppi.\r
408 If any LoadFile Ppi is not found, the build-in support function for the PE32+/TE \r
409 XIP image format is used.\r
410\r
411 @param PeiServices - An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r
412 @param FileHandle - Pointer to the FFS file header of the image.\r
413 @param EntryPoint - Pointer to entry point of specified image file for output.\r
414 @param AuthenticationState - Pointer to attestation authentication state of image.\r
415\r
416 @retval EFI_SUCCESS - Image is successfully loaded.\r
417 @retval EFI_NOT_FOUND - Fail to locate necessary PPI\r
418 @retval Others - Fail to load file.\r
419\r
420**/\r
421EFI_STATUS\r
422PeiLoadImage (\r
423 IN EFI_PEI_SERVICES **PeiServices,\r
424 IN EFI_PEI_FILE_HANDLE FileHandle,\r
425 OUT EFI_PHYSICAL_ADDRESS *EntryPoint,\r
426 OUT UINT32 *AuthenticationState\r
427 )\r
428{\r
429 EFI_STATUS PpiStatus;\r
430 EFI_STATUS Status;\r
431 UINTN Index;\r
432 EFI_PEI_LOAD_FILE_PPI *LoadFile;\r
433 EFI_PHYSICAL_ADDRESS ImageAddress;\r
434 UINT64 ImageSize;\r
435\r
436 //\r
437 // If any instances of PEI_LOAD_FILE_PPI are installed, they are called.\r
438 // one at a time, until one reports EFI_SUCCESS.\r
439 //\r
440 Index = 0;\r
441 do {\r
442 PpiStatus = PeiServicesLocatePpi (\r
443 &gEfiPeiLoadFilePpiGuid,\r
444 Index,\r
445 NULL,\r
446 (VOID **)&LoadFile\r
447 );\r
448 if (!EFI_ERROR (PpiStatus)) {\r
449 Status = LoadFile->LoadFile (\r
450 LoadFile, \r
451 FileHandle, \r
452 &ImageAddress, \r
453 &ImageSize,\r
454 EntryPoint,\r
455 AuthenticationState\r
456 );\r
457 if (!EFI_ERROR (Status)) {\r
458 return Status;\r
459 }\r
460 }\r
461 Index++;\r
462 } while (!EFI_ERROR (PpiStatus));\r
463\r
464 //\r
465 // If no instances reports EFI_SUCCESS, then build-in support for\r
466 // the PE32+/TE XIP image format is used.\r
467 //\r
468 Status = PeiLoadImageLoadImage (\r
469 PeiServices, \r
470 FileHandle, \r
471 NULL, \r
472 NULL, \r
473 EntryPoint, \r
474 AuthenticationState\r
475 );\r
476 return Status;\r
477}\r
478\r
479\r
480/**\r
481\r
482 Install Pei Load File PPI.\r
483\r
484\r
485 @param PrivateData - Pointer to PEI_CORE_INSTANCE.\r
486 @param OldCoreData - Pointer to PEI_CORE_INSTANCE.\r
487\r
488**/\r
489VOID\r
490InitializeImageServices (\r
491 IN PEI_CORE_INSTANCE *PrivateData,\r
492 IN PEI_CORE_INSTANCE *OldCoreData\r
493 )\r
494{\r
495 if (OldCoreData == NULL) {\r
496 //\r
497 // The first time we are XIP (running from FLASH). We need to remember the\r
498 // FLASH address so we can reinstall the memory version that runs faster\r
499 //\r
500 PrivateData->XipLoadFile = &gPpiLoadFilePpiList;\r
501 PeiServicesInstallPpi (PrivateData->XipLoadFile);\r
502 } else {\r
503 //\r
504 // 2nd time we are running from memory so replace the XIP version with the \r
505 // new memory version. \r
506 //\r
507 PeiServicesReInstallPpi (PrivateData->XipLoadFile, &gPpiLoadFilePpiList); \r
508 }\r
509}\r
510\r
511\r
512\r