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615c6dd0 | 1 | /** @file\r |
b1f6a7c6 | 2 | Pei Core Load Image Support\r |
3 | \r | |
ed299e3c | 4 | Copyright (c) 2006 - 2008, Intel Corporation \r |
192f6d4c | 5 | All rights reserved. This program and the accompanying materials \r |
6 | are licensed and made available under the terms and conditions of the BSD License \r | |
7 | which accompanies this distribution. The full text of the license may be found at \r | |
8 | http://opensource.org/licenses/bsd-license.php \r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
12 | \r | |
615c6dd0 | 13 | **/\r |
192f6d4c | 14 | \r |
0d516397 | 15 | #include "PeiMain.h"\r |
192f6d4c | 16 | \r |
b0d803fe | 17 | \r |
fe1e36e5 | 18 | EFI_PEI_LOAD_FILE_PPI mPeiLoadImagePpi = {\r |
b0d803fe | 19 | PeiLoadImageLoadImageWrapper\r |
20 | };\r | |
21 | \r | |
22 | \r | |
fe1e36e5 | 23 | EFI_PEI_PPI_DESCRIPTOR gPpiLoadFilePpiList = {\r |
b0d803fe | 24 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r |
25 | &gEfiPeiLoadFilePpiGuid,\r | |
26 | &mPeiLoadImagePpi\r | |
27 | };\r | |
28 | \r | |
b1f6a7c6 | 29 | /**\r |
30 | \r | |
31 | Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file\r | |
32 | \r | |
33 | \r | |
34 | @param FileHandle - The handle to the PE/COFF file\r | |
35 | @param FileOffset - The offset, in bytes, into the file to read\r | |
36 | @param ReadSize - The number of bytes to read from the file starting at FileOffset\r | |
37 | @param Buffer - A pointer to the buffer to read the data into.\r | |
38 | \r | |
39 | @return EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset\r | |
40 | \r | |
41 | **/\r | |
b0d803fe | 42 | EFI_STATUS\r |
43 | EFIAPI\r | |
44 | PeiImageRead (\r | |
45 | IN VOID *FileHandle,\r | |
46 | IN UINTN FileOffset,\r | |
ed299e3c | 47 | IN UINTN *ReadSize,\r |
b0d803fe | 48 | OUT VOID *Buffer\r |
49 | )\r | |
b0d803fe | 50 | {\r |
a9bfd802 LG |
51 | CHAR8 *Destination8;\r |
52 | CHAR8 *Source8;\r | |
53 | UINTN Length;\r | |
54 | \r | |
55 | Destination8 = Buffer;\r | |
56 | Source8 = (CHAR8 *) ((UINTN) FileHandle + FileOffset);\r | |
57 | Length = *ReadSize;\r | |
d976bf31 | 58 | while ((Length--) > 0) {\r |
a9bfd802 LG |
59 | *(Destination8++) = *(Source8++);\r |
60 | }\r | |
61 | \r | |
b0d803fe | 62 | return EFI_SUCCESS;\r |
63 | }\r | |
64 | \r | |
b1f6a7c6 | 65 | /**\r |
b0d803fe | 66 | \r |
ed299e3c | 67 | Support routine to get the Image read file function.\r |
b0d803fe | 68 | \r |
b1f6a7c6 | 69 | @param ImageContext - The context of the image being loaded\r |
b0d803fe | 70 | \r |
b1f6a7c6 | 71 | @retval EFI_SUCCESS - If Image function location is found\r |
b0d803fe | 72 | \r |
b1f6a7c6 | 73 | **/\r |
74 | EFI_STATUS\r | |
75 | GetImageReadFunction (\r | |
76 | IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
77 | )\r | |
b0d803fe | 78 | {\r |
79 | VOID* MemoryBuffer;\r | |
80 | \r | |
81 | MemoryBuffer = AllocatePages (0x400 / EFI_PAGE_SIZE + 1);\r | |
82 | ASSERT (MemoryBuffer != NULL);\r | |
83 | \r | |
84 | CopyMem (MemoryBuffer, (CONST VOID *) (UINTN) PeiImageRead, 0x400);\r | |
85 | \r | |
86 | ImageContext->ImageRead = (PE_COFF_LOADER_READ_FILE) (UINTN) MemoryBuffer;\r | |
87 | \r | |
88 | return EFI_SUCCESS;\r | |
89 | }\r | |
90 | \r | |
b1f6a7c6 | 91 | /**\r |
92 | \r | |
93 | Loads and relocates a PE/COFF image into memory.\r | |
94 | \r | |
95 | \r | |
96 | @param Pe32Data - The base address of the PE/COFF file that is to be loaded and relocated\r | |
97 | @param ImageAddress - The base address of the relocated PE/COFF image\r | |
98 | @param ImageSize - The size of the relocated PE/COFF image\r | |
99 | @param EntryPoint - The entry point of the relocated PE/COFF image\r | |
100 | \r | |
101 | @retval EFI_SUCCESS The file was loaded and relocated\r | |
102 | @retval EFI_OUT_OF_RESOURCES There was not enough memory to load and relocate the PE/COFF file\r | |
ed299e3c | 103 | @retval EFI_INVALID_PARAMETER The image withou .reloc section can't be relocated.\r |
b1f6a7c6 | 104 | \r |
105 | **/\r | |
b0d803fe | 106 | EFI_STATUS\r |
107 | LoadAndRelocatePeCoffImage (\r | |
b0d803fe | 108 | IN VOID *Pe32Data,\r |
109 | OUT EFI_PHYSICAL_ADDRESS *ImageAddress,\r | |
110 | OUT UINT64 *ImageSize,\r | |
111 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint\r | |
112 | )\r | |
b0d803fe | 113 | {\r |
114 | EFI_STATUS Status;\r | |
115 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r | |
116 | \r | |
b0d803fe | 117 | ZeroMem (&ImageContext, sizeof (ImageContext));\r |
118 | ImageContext.Handle = Pe32Data;\r | |
119 | Status = GetImageReadFunction (&ImageContext);\r | |
120 | \r | |
121 | ASSERT_EFI_ERROR (Status);\r | |
122 | \r | |
3d7b0992 | 123 | Status = PeCoffLoaderGetImageInfo (&ImageContext);\r |
b0d803fe | 124 | if (EFI_ERROR (Status)) {\r |
125 | return Status;\r | |
126 | }\r | |
127 | //\r | |
9626a87e LG |
128 | // When Image has no reloc section, it can't be relocated into memory.\r |
129 | //\r | |
130 | if (ImageContext.RelocationsStripped) {\r | |
288f9b38 | 131 | DEBUG ((EFI_D_ERROR, "The image at 0x%08x without reloc section can't be loaded into memory\n", (UINTN) Pe32Data));\r |
9626a87e LG |
132 | return EFI_INVALID_PARAMETER;\r |
133 | }\r | |
134 | //\r | |
b0d803fe | 135 | // Allocate Memory for the image\r |
136 | //\r | |
137 | ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) AllocatePages (EFI_SIZE_TO_PAGES ((UINT32) ImageContext.ImageSize));\r | |
138 | ASSERT (ImageContext.ImageAddress != 0);\r | |
4e844595 LG |
139 | \r |
140 | //\r | |
141 | // Skip the reserved space for the stripped PeHeader when load TeImage into memory.\r | |
142 | //\r | |
143 | if (ImageContext.IsTeImage) {\r | |
144 | ImageContext.ImageAddress = ImageContext.ImageAddress + \r | |
145 | ((EFI_TE_IMAGE_HEADER *) Pe32Data)->StrippedSize -\r | |
146 | sizeof (EFI_TE_IMAGE_HEADER);\r | |
147 | }\r | |
b0d803fe | 148 | \r |
149 | //\r | |
150 | // Load the image to our new buffer\r | |
151 | //\r | |
3d7b0992 | 152 | Status = PeCoffLoaderLoadImage (&ImageContext);\r |
b0d803fe | 153 | if (EFI_ERROR (Status)) {\r |
154 | return Status;\r | |
155 | }\r | |
156 | //\r | |
157 | // Relocate the image in our new buffer\r | |
158 | //\r | |
3d7b0992 | 159 | Status = PeCoffLoaderRelocateImage (&ImageContext);\r |
b0d803fe | 160 | if (EFI_ERROR (Status)) {\r |
161 | return Status;\r | |
162 | }\r | |
163 | \r | |
164 | //\r | |
165 | // Flush the instruction cache so the image data is written before we execute it\r | |
166 | //\r | |
167 | InvalidateInstructionCacheRange ((VOID *)(UINTN)ImageContext.ImageAddress, (UINTN)ImageContext.ImageSize);\r | |
168 | \r | |
169 | *ImageAddress = ImageContext.ImageAddress;\r | |
170 | *ImageSize = ImageContext.ImageSize;\r | |
171 | *EntryPoint = ImageContext.EntryPoint;\r | |
172 | \r | |
173 | return EFI_SUCCESS;\r | |
174 | }\r | |
175 | \r | |
b1f6a7c6 | 176 | /**\r |
ed299e3c LG |
177 | Loads a PEIM into memory for subsequent execution. If there are compressed \r |
178 | images or images that need to be relocated into memory for performance reasons, \r | |
179 | this service performs that transformation.\r | |
b1f6a7c6 | 180 | \r |
ed299e3c | 181 | @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r |
b1f6a7c6 | 182 | @param FileHandle Pointer to the FFS file header of the image.\r |
183 | @param ImageAddressArg Pointer to PE/TE image.\r | |
184 | @param ImageSizeArg Size of PE/TE image.\r | |
185 | @param EntryPoint Pointer to entry point of specified image file for output.\r | |
186 | @param AuthenticationState - Pointer to attestation authentication state of image.\r | |
187 | \r | |
ed299e3c LG |
188 | @retval EFI_SUCCESS Image is successfully loaded.\r |
189 | @retval EFI_NOT_FOUND Fail to locate necessary PPI.\r | |
190 | @retval EFI_UNSUPPORTED Image Machine Type is not supported.\r | |
b1f6a7c6 | 191 | \r |
192 | **/\r | |
b0d803fe | 193 | EFI_STATUS\r |
194 | PeiLoadImageLoadImage (\r | |
284c8400 | 195 | IN CONST EFI_PEI_SERVICES **PeiServices,\r |
b0d803fe | 196 | IN EFI_PEI_FILE_HANDLE FileHandle,\r |
197 | OUT EFI_PHYSICAL_ADDRESS *ImageAddressArg, OPTIONAL\r | |
198 | OUT UINT64 *ImageSizeArg, OPTIONAL\r | |
199 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint,\r | |
200 | OUT UINT32 *AuthenticationState\r | |
201 | )\r | |
192f6d4c | 202 | {\r |
203 | EFI_STATUS Status;\r | |
204 | VOID *Pe32Data;\r | |
192f6d4c | 205 | EFI_PHYSICAL_ADDRESS ImageAddress;\r |
206 | UINT64 ImageSize;\r | |
207 | EFI_PHYSICAL_ADDRESS ImageEntryPoint;\r | |
192f6d4c | 208 | UINT16 Machine;\r |
b0d803fe | 209 | PEI_CORE_INSTANCE *Private;\r |
210 | VOID *EntryPointArg;\r | |
3076397e | 211 | EFI_SECTION_TYPE SearchType1;\r |
212 | EFI_SECTION_TYPE SearchType2;\r | |
192f6d4c | 213 | \r |
3d7b0992 LG |
214 | *EntryPoint = 0;\r |
215 | ImageSize = 0;\r | |
b0d803fe | 216 | *AuthenticationState = 0;\r |
192f6d4c | 217 | \r |
3076397e | 218 | if (FeaturePcdGet (PcdPeiCoreImageLoaderSearchTeSectionFirst)) {\r |
219 | SearchType1 = EFI_SECTION_TE;\r | |
220 | SearchType2 = EFI_SECTION_PE32;\r | |
221 | } else {\r | |
222 | SearchType1 = EFI_SECTION_PE32;\r | |
223 | SearchType2 = EFI_SECTION_TE;\r | |
224 | }\r | |
192f6d4c | 225 | //\r |
3076397e | 226 | // Try to find a first exe section (if PcdPeiCoreImageLoaderSearchTeSectionFirst \r |
227 | // is true, TE will be searched first).\r | |
192f6d4c | 228 | //\r |
229 | Status = PeiServicesFfsFindSectionData (\r | |
3076397e | 230 | SearchType1,\r |
b0d803fe | 231 | FileHandle,\r |
192f6d4c | 232 | &Pe32Data\r |
233 | );\r | |
234 | //\r | |
3076397e | 235 | // If we didn't find a first exe section, try to find the second exe section.\r |
192f6d4c | 236 | //\r |
237 | if (EFI_ERROR (Status)) {\r | |
238 | Status = PeiServicesFfsFindSectionData (\r | |
3076397e | 239 | SearchType2,\r |
b0d803fe | 240 | FileHandle,\r |
241 | &Pe32Data\r | |
192f6d4c | 242 | );\r |
b0d803fe | 243 | if (EFI_ERROR (Status)) {\r |
192f6d4c | 244 | //\r |
b0d803fe | 245 | // PEI core only carry the loader function fro TE and PE32 executables\r |
246 | // If this two section does not exist, just return.\r | |
192f6d4c | 247 | //\r |
b0d803fe | 248 | return Status;\r |
249 | }\r | |
250 | }\r | |
251 | \r | |
252 | Private = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);\r | |
192f6d4c | 253 | \r |
b0d803fe | 254 | if (Private->PeiMemoryInstalled && \r |
255 | (Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME)) {\r | |
3d7b0992 LG |
256 | //\r |
257 | // If memory is installed, perform the shadow operations\r | |
258 | //\r | |
259 | Status = LoadAndRelocatePeCoffImage (\r | |
260 | Pe32Data,\r | |
261 | &ImageAddress,\r | |
262 | &ImageSize,\r | |
263 | &ImageEntryPoint\r | |
264 | );\r | |
192f6d4c | 265 | \r |
3d7b0992 LG |
266 | if (EFI_ERROR (Status)) {\r |
267 | return Status;\r | |
b0d803fe | 268 | }\r |
3d7b0992 LG |
269 | \r |
270 | //\r | |
271 | // Got the entry point from the loaded Pe32Data\r | |
272 | //\r | |
273 | Pe32Data = (VOID *) ((UINTN) ImageAddress);\r | |
274 | *EntryPoint = ImageEntryPoint;\r | |
b0d803fe | 275 | } else {\r |
3d7b0992 LG |
276 | //\r |
277 | // Retrieve the entry point from the PE/COFF or TE image header\r | |
278 | //\r | |
279 | ImageAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) Pe32Data;\r | |
280 | Status = PeCoffLoaderGetEntryPoint (Pe32Data, &EntryPointArg);\r | |
281 | if (EFI_ERROR (Status)) {\r | |
282 | return Status;\r | |
192f6d4c | 283 | }\r |
3d7b0992 | 284 | *EntryPoint = (EFI_PHYSICAL_ADDRESS) (UINTN) EntryPointArg;\r |
192f6d4c | 285 | }\r |
3d7b0992 LG |
286 | \r |
287 | Machine = PeCoffLoaderGetMachineType (Pe32Data);\r | |
192f6d4c | 288 | \r |
289 | if (!EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Machine)) {\r | |
290 | return EFI_UNSUPPORTED; \r | |
291 | }\r | |
292 | \r | |
b0d803fe | 293 | if (ImageAddressArg != NULL) {\r |
294 | *ImageAddressArg = ImageAddress;\r | |
295 | }\r | |
296 | \r | |
297 | if (ImageSizeArg != NULL) {\r | |
298 | *ImageSizeArg = ImageSize;\r | |
299 | }\r | |
300 | \r | |
192f6d4c | 301 | DEBUG_CODE_BEGIN ();\r |
3d7b0992 LG |
302 | CHAR8 *AsciiString;\r |
303 | CHAR8 AsciiBuffer[512];\r | |
304 | INT32 Index;\r | |
305 | INT32 Index1;\r | |
e98cd821 LG |
306 | \r |
307 | //\r | |
308 | // Print debug message: Loading PEIM at 0x12345678 EntryPoint=0x12345688 Driver.efi\r | |
309 | //\r | |
310 | if (Machine != IMAGE_FILE_MACHINE_IA64) {\r | |
91136124 | 311 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading PEIM at 0x%11p EntryPoint=0x%11p ", (VOID *)(UINTN)ImageAddress, (VOID *)(UINTN)*EntryPoint));\r |
e98cd821 LG |
312 | } else {\r |
313 | //\r | |
314 | // For IPF Image, the real entry point should be print.\r | |
315 | //\r | |
91136124 | 316 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading PEIM at 0x%11p EntryPoint=0x%11p ", (VOID *)(UINTN)ImageAddress, (VOID *)(UINTN)(*(UINT64 *)(UINTN)*EntryPoint)));\r |
e98cd821 | 317 | }\r |
192f6d4c | 318 | \r |
e98cd821 LG |
319 | //\r |
320 | // Print Module Name by PeImage PDB file name.\r | |
321 | //\r | |
3d7b0992 LG |
322 | AsciiString = PeCoffLoaderGetPdbPointer (Pe32Data);\r |
323 | \r | |
324 | if (AsciiString != NULL) {\r | |
19ea58a1 | 325 | for (Index = (INT32) AsciiStrLen (AsciiString) - 1; Index >= 0; Index --) {\r |
3d7b0992 LG |
326 | if (AsciiString[Index] == '\\') {\r |
327 | break;\r | |
328 | }\r | |
192f6d4c | 329 | }\r |
192f6d4c | 330 | \r |
3d7b0992 LG |
331 | if (Index != 0) {\r |
332 | for (Index1 = 0; AsciiString[Index + 1 + Index1] != '.'; Index1 ++) {\r | |
333 | AsciiBuffer [Index1] = AsciiString[Index + 1 + Index1];\r | |
192f6d4c | 334 | }\r |
3d7b0992 LG |
335 | AsciiBuffer [Index1] = '\0';\r |
336 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "%a.efi", AsciiBuffer));\r | |
192f6d4c | 337 | }\r |
338 | }\r | |
3d7b0992 | 339 | \r |
192f6d4c | 340 | DEBUG_CODE_END ();\r |
341 | \r | |
342 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "\n"));\r | |
343 | \r | |
344 | return EFI_SUCCESS;\r | |
b0d803fe | 345 | \r |
346 | }\r | |
347 | \r | |
348 | \r | |
b1f6a7c6 | 349 | /**\r |
350 | The wrapper function of PeiLoadImageLoadImage().\r | |
351 | \r | |
352 | @param This - Pointer to EFI_PEI_LOAD_FILE_PPI.\r | |
353 | @param FileHandle - Pointer to the FFS file header of the image.\r | |
354 | @param ImageAddressArg - Pointer to PE/TE image.\r | |
355 | @param ImageSizeArg - Size of PE/TE image.\r | |
356 | @param EntryPoint - Pointer to entry point of specified image file for output.\r | |
357 | @param AuthenticationState - Pointer to attestation authentication state of image.\r | |
358 | \r | |
359 | @return Status of PeiLoadImageLoadImage().\r | |
360 | \r | |
361 | **/\r | |
b0d803fe | 362 | EFI_STATUS\r |
363 | EFIAPI\r | |
364 | PeiLoadImageLoadImageWrapper (\r | |
365 | IN CONST EFI_PEI_LOAD_FILE_PPI *This,\r | |
366 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
367 | OUT EFI_PHYSICAL_ADDRESS *ImageAddressArg, OPTIONAL\r | |
368 | OUT UINT64 *ImageSizeArg, OPTIONAL\r | |
369 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint,\r | |
370 | OUT UINT32 *AuthenticationState\r | |
371 | )\r | |
b0d803fe | 372 | {\r |
373 | return PeiLoadImageLoadImage (\r | |
374 | GetPeiServicesTablePointer (),\r | |
375 | FileHandle,\r | |
376 | ImageAddressArg,\r | |
377 | ImageSizeArg,\r | |
378 | EntryPoint,\r | |
379 | AuthenticationState\r | |
380 | );\r | |
192f6d4c | 381 | }\r |
b0d803fe | 382 | \r |
b1f6a7c6 | 383 | /**\r |
ed299e3c LG |
384 | Routine to load image file for subsequent execution by LoadFile Ppi.\r |
385 | If any LoadFile Ppi is not found, the build-in support function for the PE32+/TE \r | |
386 | XIP image format is used.\r | |
b1f6a7c6 | 387 | \r |
ed299e3c LG |
388 | @param PeiServices - An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r |
389 | @param FileHandle - Pointer to the FFS file header of the image.\r | |
390 | @param EntryPoint - Pointer to entry point of specified image file for output.\r | |
391 | @param AuthenticationState - Pointer to attestation authentication state of image.\r | |
b1f6a7c6 | 392 | \r |
ed299e3c LG |
393 | @retval EFI_SUCCESS - Image is successfully loaded.\r |
394 | @retval EFI_NOT_FOUND - Fail to locate necessary PPI\r | |
395 | @retval Others - Fail to load file.\r | |
b1f6a7c6 | 396 | \r |
397 | **/\r | |
b0d803fe | 398 | EFI_STATUS\r |
399 | PeiLoadImage (\r | |
6c7a807a | 400 | IN CONST EFI_PEI_SERVICES **PeiServices,\r |
b0d803fe | 401 | IN EFI_PEI_FILE_HANDLE FileHandle,\r |
402 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint,\r | |
403 | OUT UINT32 *AuthenticationState\r | |
404 | )\r | |
b0d803fe | 405 | {\r |
406 | EFI_STATUS PpiStatus;\r | |
407 | EFI_STATUS Status;\r | |
408 | UINTN Index;\r | |
409 | EFI_PEI_LOAD_FILE_PPI *LoadFile;\r | |
410 | EFI_PHYSICAL_ADDRESS ImageAddress;\r | |
411 | UINT64 ImageSize;\r | |
412 | \r | |
413 | //\r | |
414 | // If any instances of PEI_LOAD_FILE_PPI are installed, they are called.\r | |
415 | // one at a time, until one reports EFI_SUCCESS.\r | |
416 | //\r | |
417 | Index = 0;\r | |
418 | do {\r | |
419 | PpiStatus = PeiServicesLocatePpi (\r | |
420 | &gEfiPeiLoadFilePpiGuid,\r | |
421 | Index,\r | |
422 | NULL,\r | |
423 | (VOID **)&LoadFile\r | |
424 | );\r | |
425 | if (!EFI_ERROR (PpiStatus)) {\r | |
426 | Status = LoadFile->LoadFile (\r | |
427 | LoadFile, \r | |
428 | FileHandle, \r | |
429 | &ImageAddress, \r | |
430 | &ImageSize,\r | |
431 | EntryPoint,\r | |
432 | AuthenticationState\r | |
433 | );\r | |
434 | if (!EFI_ERROR (Status)) {\r | |
435 | return Status;\r | |
436 | }\r | |
437 | }\r | |
438 | Index++;\r | |
439 | } while (!EFI_ERROR (PpiStatus));\r | |
440 | \r | |
441 | //\r | |
442 | // If no instances reports EFI_SUCCESS, then build-in support for\r | |
443 | // the PE32+/TE XIP image format is used.\r | |
444 | //\r | |
445 | Status = PeiLoadImageLoadImage (\r | |
446 | PeiServices, \r | |
447 | FileHandle, \r | |
448 | NULL, \r | |
449 | NULL, \r | |
450 | EntryPoint, \r | |
451 | AuthenticationState\r | |
452 | );\r | |
453 | return Status;\r | |
454 | }\r | |
455 | \r | |
456 | \r | |
b1f6a7c6 | 457 | /**\r |
b0d803fe | 458 | \r |
ed299e3c LG |
459 | Install Pei Load File PPI.\r |
460 | \r | |
461 | \r | |
462 | @param PrivateData - Pointer to PEI_CORE_INSTANCE.\r | |
463 | @param OldCoreData - Pointer to PEI_CORE_INSTANCE.\r | |
b0d803fe | 464 | \r |
b1f6a7c6 | 465 | **/\r |
466 | VOID\r | |
467 | InitializeImageServices (\r | |
468 | IN PEI_CORE_INSTANCE *PrivateData,\r | |
469 | IN PEI_CORE_INSTANCE *OldCoreData\r | |
470 | )\r | |
b0d803fe | 471 | {\r |
b0d803fe | 472 | if (OldCoreData == NULL) {\r |
473 | //\r | |
474 | // The first time we are XIP (running from FLASH). We need to remember the\r | |
475 | // FLASH address so we can reinstall the memory version that runs faster\r | |
476 | //\r | |
477 | PrivateData->XipLoadFile = &gPpiLoadFilePpiList;\r | |
478 | PeiServicesInstallPpi (PrivateData->XipLoadFile);\r | |
479 | } else {\r | |
480 | //\r | |
481 | // 2nd time we are running from memory so replace the XIP version with the \r | |
482 | // new memory version. \r | |
483 | //\r | |
484 | PeiServicesReInstallPpi (PrivateData->XipLoadFile, &gPpiLoadFilePpiList); \r | |
485 | }\r | |
486 | }\r | |
487 | \r | |
488 | \r | |
489 | \r |