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615c6dd0 | 1 | /** @file\r |
b1f6a7c6 | 2 | Pei Core Load Image Support\r |
54ea99a7 | 3 | \r |
63c677e2 | 4 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
192f6d4c | 6 | \r |
615c6dd0 | 7 | **/\r |
192f6d4c | 8 | \r |
0d516397 | 9 | #include "PeiMain.h"\r |
192f6d4c | 10 | \r |
b0d803fe | 11 | \r |
fe1e36e5 | 12 | EFI_PEI_LOAD_FILE_PPI mPeiLoadImagePpi = {\r |
b0d803fe | 13 | PeiLoadImageLoadImageWrapper\r |
14 | };\r | |
15 | \r | |
16 | \r | |
fe1e36e5 | 17 | EFI_PEI_PPI_DESCRIPTOR gPpiLoadFilePpiList = {\r |
b0d803fe | 18 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r |
19 | &gEfiPeiLoadFilePpiGuid,\r | |
20 | &mPeiLoadImagePpi\r | |
21 | };\r | |
22 | \r | |
b1f6a7c6 | 23 | /**\r |
24 | \r | |
25973fc3 | 25 | Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file.\r |
26 | The function is used for XIP code to have optimized memory copy.\r | |
b1f6a7c6 | 27 | \r |
28 | @param FileHandle - The handle to the PE/COFF file\r | |
29 | @param FileOffset - The offset, in bytes, into the file to read\r | |
30 | @param ReadSize - The number of bytes to read from the file starting at FileOffset\r | |
31 | @param Buffer - A pointer to the buffer to read the data into.\r | |
32 | \r | |
33 | @return EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset\r | |
34 | \r | |
35 | **/\r | |
b0d803fe | 36 | EFI_STATUS\r |
37 | EFIAPI\r | |
38 | PeiImageRead (\r | |
39 | IN VOID *FileHandle,\r | |
40 | IN UINTN FileOffset,\r | |
ed299e3c | 41 | IN UINTN *ReadSize,\r |
b0d803fe | 42 | OUT VOID *Buffer\r |
43 | )\r | |
b0d803fe | 44 | {\r |
a9bfd802 LG |
45 | CHAR8 *Destination8;\r |
46 | CHAR8 *Source8;\r | |
d1102dba | 47 | \r |
25973fc3 | 48 | Destination8 = Buffer;\r |
49 | Source8 = (CHAR8 *) ((UINTN) FileHandle + FileOffset);\r | |
50 | if (Destination8 != Source8) {\r | |
51 | CopyMem (Destination8, Source8, *ReadSize);\r | |
52 | }\r | |
53 | \r | |
54 | return EFI_SUCCESS;\r | |
55 | }\r | |
56 | \r | |
54ea99a7 | 57 | /**\r |
2048c585 GM |
58 | To check memory usage bit map array to figure out if the memory range the image will be loaded in is available or not. If\r |
59 | memory range is available, the function will mark the corresponding bits to 1 which indicates the memory range is used.\r | |
d1102dba LG |
60 | The function is only invoked when load modules at fixed address feature is enabled.\r |
61 | \r | |
54ea99a7 | 62 | @param Private Pointer to the private data passed in from caller\r |
2048c585 | 63 | @param ImageBase The base address the image will be loaded at.\r |
54ea99a7 | 64 | @param ImageSize The size of the image\r |
d1102dba | 65 | \r |
54ea99a7 | 66 | @retval EFI_SUCCESS The memory range the image will be loaded in is available\r |
67 | @retval EFI_NOT_FOUND The memory range the image will be loaded in is not available\r | |
68 | **/\r | |
69 | EFI_STATUS\r | |
70 | CheckAndMarkFixLoadingMemoryUsageBitMap (\r | |
71 | IN PEI_CORE_INSTANCE *Private,\r | |
72 | IN EFI_PHYSICAL_ADDRESS ImageBase,\r | |
73 | IN UINT32 ImageSize\r | |
74 | )\r | |
75 | {\r | |
76 | UINT32 DxeCodePageNumber;\r | |
77 | UINT64 ReservedCodeSize;\r | |
78 | EFI_PHYSICAL_ADDRESS PeiCodeBase;\r | |
79 | UINT32 BaseOffsetPageNumber;\r | |
80 | UINT32 TopOffsetPageNumber;\r | |
81 | UINT32 Index;\r | |
82 | UINT64 *MemoryUsageBitMap;\r | |
d1102dba | 83 | \r |
54ea99a7 | 84 | \r |
85 | //\r | |
86 | // The reserved code range includes RuntimeCodePage range, Boot time code range and PEI code range.\r | |
87 | //\r | |
88 | DxeCodePageNumber = PcdGet32(PcdLoadFixAddressBootTimeCodePageNumber);\r | |
89 | DxeCodePageNumber += PcdGet32(PcdLoadFixAddressRuntimeCodePageNumber);\r | |
90 | ReservedCodeSize = EFI_PAGES_TO_SIZE(DxeCodePageNumber + PcdGet32(PcdLoadFixAddressPeiCodePageNumber));\r | |
91 | PeiCodeBase = Private->LoadModuleAtFixAddressTopAddress - ReservedCodeSize;\r | |
d1102dba | 92 | \r |
54ea99a7 | 93 | //\r |
94 | // Test the memory range for loading the image in the PEI code range.\r | |
95 | //\r | |
96 | if ((Private->LoadModuleAtFixAddressTopAddress - EFI_PAGES_TO_SIZE(DxeCodePageNumber)) < (ImageBase + ImageSize) ||\r | |
d1102dba LG |
97 | (PeiCodeBase > ImageBase)) {\r |
98 | return EFI_NOT_FOUND;\r | |
54ea99a7 | 99 | }\r |
d1102dba | 100 | \r |
54ea99a7 | 101 | //\r |
102 | // Test if the memory is avalaible or not.\r | |
103 | //\r | |
d1102dba | 104 | MemoryUsageBitMap = Private->PeiCodeMemoryRangeUsageBitMap;\r |
54ea99a7 | 105 | BaseOffsetPageNumber = EFI_SIZE_TO_PAGES((UINT32)(ImageBase - PeiCodeBase));\r |
106 | TopOffsetPageNumber = EFI_SIZE_TO_PAGES((UINT32)(ImageBase + ImageSize - PeiCodeBase));\r | |
107 | for (Index = BaseOffsetPageNumber; Index < TopOffsetPageNumber; Index ++) {\r | |
108 | if ((MemoryUsageBitMap[Index / 64] & LShiftU64(1, (Index % 64))) != 0) {\r | |
109 | //\r | |
110 | // This page is already used.\r | |
111 | //\r | |
d1102dba | 112 | return EFI_NOT_FOUND;\r |
54ea99a7 | 113 | }\r |
114 | }\r | |
d1102dba | 115 | \r |
54ea99a7 | 116 | //\r |
117 | // Being here means the memory range is available. So mark the bits for the memory range\r | |
d1102dba | 118 | //\r |
54ea99a7 | 119 | for (Index = BaseOffsetPageNumber; Index < TopOffsetPageNumber; Index ++) {\r |
120 | MemoryUsageBitMap[Index / 64] |= LShiftU64(1, (Index % 64));\r | |
121 | }\r | |
d1102dba | 122 | return EFI_SUCCESS;\r |
54ea99a7 | 123 | }\r |
124 | /**\r | |
125 | \r | |
2048c585 | 126 | Get the fixed loading address from image header assigned by build tool. This function only be called\r |
54ea99a7 | 127 | when Loading module at Fixed address feature enabled.\r |
128 | \r | |
129 | @param ImageContext Pointer to the image context structure that describes the PE/COFF\r | |
130 | image that needs to be examined by this function.\r | |
131 | @param Private Pointer to the private data passed in from caller\r | |
132 | \r | |
133 | @retval EFI_SUCCESS An fixed loading address is assigned to this image by build tools .\r | |
2048c585 | 134 | @retval EFI_NOT_FOUND The image has no assigned fixed loading address.\r |
b0d803fe | 135 | \r |
54ea99a7 | 136 | **/\r |
137 | EFI_STATUS\r | |
138 | GetPeCoffImageFixLoadingAssignedAddress(\r | |
139 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext,\r | |
140 | IN PEI_CORE_INSTANCE *Private\r | |
141 | )\r | |
142 | {\r | |
143 | UINTN SectionHeaderOffset;\r | |
144 | EFI_STATUS Status;\r | |
145 | EFI_IMAGE_SECTION_HEADER SectionHeader;\r | |
146 | EFI_IMAGE_OPTIONAL_HEADER_UNION *ImgHdr;\r | |
2048c585 | 147 | EFI_PHYSICAL_ADDRESS FixLoadingAddress;\r |
54ea99a7 | 148 | UINT16 Index;\r |
149 | UINTN Size;\r | |
150 | UINT16 NumberOfSections;\r | |
151 | UINT64 ValueInSectionHeader;\r | |
d1102dba | 152 | \r |
54ea99a7 | 153 | \r |
2048c585 | 154 | FixLoadingAddress = 0;\r |
54ea99a7 | 155 | Status = EFI_NOT_FOUND;\r |
156 | \r | |
157 | //\r | |
158 | // Get PeHeader pointer\r | |
159 | //\r | |
160 | ImgHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)((CHAR8* )ImageContext->Handle + ImageContext->PeCoffHeaderOffset);\r | |
161 | if (ImageContext->IsTeImage) {\r | |
162 | //\r | |
2048c585 | 163 | // for TE image, the fix loading address is saved in first section header that doesn't point\r |
54ea99a7 | 164 | // to code section.\r |
165 | //\r | |
166 | SectionHeaderOffset = sizeof (EFI_TE_IMAGE_HEADER);\r | |
167 | NumberOfSections = ImgHdr->Te.NumberOfSections;\r | |
168 | } else {\r | |
16f69227 HW |
169 | SectionHeaderOffset = ImageContext->PeCoffHeaderOffset +\r |
170 | sizeof (UINT32) +\r | |
171 | sizeof (EFI_IMAGE_FILE_HEADER) +\r | |
172 | ImgHdr->Pe32.FileHeader.SizeOfOptionalHeader;\r | |
54ea99a7 | 173 | NumberOfSections = ImgHdr->Pe32.FileHeader.NumberOfSections;\r |
174 | }\r | |
175 | //\r | |
176 | // Get base address from the first section header that doesn't point to code section.\r | |
177 | //\r | |
178 | for (Index = 0; Index < NumberOfSections; Index++) {\r | |
179 | //\r | |
180 | // Read section header from file\r | |
181 | //\r | |
182 | Size = sizeof (EFI_IMAGE_SECTION_HEADER);\r | |
183 | Status = ImageContext->ImageRead (\r | |
184 | ImageContext->Handle,\r | |
185 | SectionHeaderOffset,\r | |
186 | &Size,\r | |
187 | &SectionHeader\r | |
188 | );\r | |
189 | if (EFI_ERROR (Status)) {\r | |
190 | return Status;\r | |
191 | }\r | |
192 | \r | |
193 | Status = EFI_NOT_FOUND;\r | |
194 | \r | |
195 | if ((SectionHeader.Characteristics & EFI_IMAGE_SCN_CNT_CODE) == 0) {\r | |
196 | //\r | |
197 | // Build tool will save the address in PointerToRelocations & PointerToLineNumbers fields in the first section header\r | |
198 | // that doesn't point to code section in image header, as well as ImageBase field of image header. A notable thing is\r | |
199 | // that for PEIM, the value in ImageBase field may not be equal to the value in PointerToRelocations & PointerToLineNumbers because\r | |
200 | // for XIP PEIM, ImageBase field holds the image base address running on the Flash. And PointerToRelocations & PointerToLineNumbers\r | |
201 | // hold the image base address when it is shadow to the memory. And there is an assumption that when the feature is enabled, if a\r | |
202 | // module is assigned a loading address by tools, PointerToRelocations & PointerToLineNumbers fields should NOT be Zero, or\r | |
2048c585 | 203 | // else, these 2 fields should be set to Zero\r |
54ea99a7 | 204 | //\r |
205 | ValueInSectionHeader = ReadUnaligned64((UINT64*)&SectionHeader.PointerToRelocations);\r | |
206 | if (ValueInSectionHeader != 0) {\r | |
207 | //\r | |
208 | // Found first section header that doesn't point to code section.\r | |
209 | //\r | |
852081fc | 210 | if ((INT64)PcdGet64(PcdLoadModuleAtFixAddressEnable) > 0) {\r |
54ea99a7 | 211 | //\r |
212 | // When LMFA feature is configured as Load Module at Fixed Absolute Address mode, PointerToRelocations & PointerToLineNumbers field\r | |
2048c585 | 213 | // hold the absolute address of image base running in memory\r |
54ea99a7 | 214 | //\r |
2048c585 | 215 | FixLoadingAddress = ValueInSectionHeader;\r |
54ea99a7 | 216 | } else {\r |
217 | //\r | |
218 | // When LMFA feature is configured as Load Module at Fixed offset mode, PointerToRelocations & PointerToLineNumbers field\r | |
219 | // hold the offset relative to a platform-specific top address.\r | |
220 | //\r | |
2048c585 | 221 | FixLoadingAddress = (EFI_PHYSICAL_ADDRESS)(Private->LoadModuleAtFixAddressTopAddress + (INT64)ValueInSectionHeader);\r |
54ea99a7 | 222 | }\r |
223 | //\r | |
2048c585 | 224 | // Check if the memory range is available.\r |
54ea99a7 | 225 | //\r |
2048c585 | 226 | Status = CheckAndMarkFixLoadingMemoryUsageBitMap (Private, FixLoadingAddress, (UINT32) ImageContext->ImageSize);\r |
54ea99a7 | 227 | if (!EFI_ERROR(Status)) {\r |
228 | //\r | |
2048c585 | 229 | // The assigned address is valid. Return the specified loading address\r |
54ea99a7 | 230 | //\r |
2048c585 | 231 | ImageContext->ImageAddress = FixLoadingAddress;\r |
54ea99a7 | 232 | }\r |
233 | }\r | |
234 | break;\r | |
235 | }\r | |
236 | SectionHeaderOffset += sizeof (EFI_IMAGE_SECTION_HEADER);\r | |
237 | }\r | |
2048c585 | 238 | DEBUG ((EFI_D_INFO|EFI_D_LOAD, "LOADING MODULE FIXED INFO: Loading module at fixed address 0x%11p. Status= %r \n", (VOID *)(UINTN)FixLoadingAddress, Status));\r |
54ea99a7 | 239 | return Status;\r |
240 | }\r | |
b1f6a7c6 | 241 | /**\r |
242 | \r | |
243 | Loads and relocates a PE/COFF image into memory.\r | |
341a658f | 244 | If the image is not relocatable, it will not be loaded into memory and be loaded as XIP image.\r |
b1f6a7c6 | 245 | \r |
3d44658c | 246 | @param FileHandle - Pointer to the FFS file header of the image.\r |
b1f6a7c6 | 247 | @param Pe32Data - The base address of the PE/COFF file that is to be loaded and relocated\r |
248 | @param ImageAddress - The base address of the relocated PE/COFF image\r | |
249 | @param ImageSize - The size of the relocated PE/COFF image\r | |
250 | @param EntryPoint - The entry point of the relocated PE/COFF image\r | |
251 | \r | |
252 | @retval EFI_SUCCESS The file was loaded and relocated\r | |
253 | @retval EFI_OUT_OF_RESOURCES There was not enough memory to load and relocate the PE/COFF file\r | |
d1102dba | 254 | @retval EFI_WARN_BUFFER_TOO_SMALL\r |
5d7f3126 LG |
255 | There is not enough heap to allocate the requested size.\r |
256 | This will not prevent the XIP image from being invoked.\r | |
b1f6a7c6 | 257 | \r |
258 | **/\r | |
b0d803fe | 259 | EFI_STATUS\r |
260 | LoadAndRelocatePeCoffImage (\r | |
3d44658c | 261 | IN EFI_PEI_FILE_HANDLE FileHandle,\r |
b0d803fe | 262 | IN VOID *Pe32Data,\r |
263 | OUT EFI_PHYSICAL_ADDRESS *ImageAddress,\r | |
264 | OUT UINT64 *ImageSize,\r | |
265 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint\r | |
266 | )\r | |
b0d803fe | 267 | {\r |
268 | EFI_STATUS Status;\r | |
269 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r | |
43ada17c | 270 | PEI_CORE_INSTANCE *Private;\r |
935efc21 | 271 | UINT64 AlignImageSize;\r |
5d7f3126 LG |
272 | BOOLEAN IsXipImage;\r |
273 | EFI_STATUS ReturnStatus;\r | |
3d44658c | 274 | BOOLEAN IsS3Boot;\r |
609730ef | 275 | BOOLEAN IsPeiModule;\r |
3d44658c | 276 | BOOLEAN IsRegisterForShadow;\r |
609730ef | 277 | EFI_FV_FILE_INFO FileInfo;\r |
43ada17c | 278 | \r |
279 | Private = PEI_CORE_INSTANCE_FROM_PS_THIS (GetPeiServicesTablePointer ());\r | |
b0d803fe | 280 | \r |
5d7f3126 LG |
281 | ReturnStatus = EFI_SUCCESS;\r |
282 | IsXipImage = FALSE;\r | |
b0d803fe | 283 | ZeroMem (&ImageContext, sizeof (ImageContext));\r |
284 | ImageContext.Handle = Pe32Data;\r | |
40a7b235 | 285 | ImageContext.ImageRead = PeiImageRead;\r |
b0d803fe | 286 | \r |
3d7b0992 | 287 | Status = PeCoffLoaderGetImageInfo (&ImageContext);\r |
b0d803fe | 288 | if (EFI_ERROR (Status)) {\r |
289 | return Status;\r | |
290 | }\r | |
d1102dba | 291 | \r |
3d44658c LG |
292 | //\r |
293 | // Initilize local IsS3Boot and IsRegisterForShadow variable\r | |
294 | //\r | |
295 | IsS3Boot = FALSE;\r | |
296 | if (Private->HobList.HandoffInformationTable->BootMode == BOOT_ON_S3_RESUME) {\r | |
297 | IsS3Boot = TRUE;\r | |
298 | }\r | |
299 | IsRegisterForShadow = FALSE;\r | |
d1102dba | 300 | if ((Private->CurrentFileHandle == FileHandle)\r |
c2c4199b | 301 | && (Private->Fv[Private->CurrentPeimFvCount].PeimState[Private->CurrentPeimCount] == PEIM_STATE_REGISTER_FOR_SHADOW)) {\r |
3d44658c LG |
302 | IsRegisterForShadow = TRUE;\r |
303 | }\r | |
304 | \r | |
5d7f3126 LG |
305 | //\r |
306 | // XIP image that ImageAddress is same to Image handle.\r | |
307 | //\r | |
308 | if (ImageContext.ImageAddress == (EFI_PHYSICAL_ADDRESS)(UINTN) Pe32Data) {\r | |
309 | IsXipImage = TRUE;\r | |
310 | }\r | |
311 | \r | |
609730ef LG |
312 | //\r |
313 | // Get file type first\r | |
314 | //\r | |
315 | Status = PeiServicesFfsGetFileInfo (FileHandle, &FileInfo);\r | |
316 | ASSERT_EFI_ERROR (Status);\r | |
d1102dba | 317 | \r |
609730ef LG |
318 | //\r |
319 | // Check whether the file type is PEI module.\r | |
320 | //\r | |
321 | IsPeiModule = FALSE;\r | |
d1102dba LG |
322 | if (FileInfo.FileType == EFI_FV_FILETYPE_PEI_CORE ||\r |
323 | FileInfo.FileType == EFI_FV_FILETYPE_PEIM ||\r | |
609730ef LG |
324 | FileInfo.FileType == EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER) {\r |
325 | IsPeiModule = TRUE;\r | |
326 | }\r | |
327 | \r | |
b0d803fe | 328 | //\r |
9626a87e LG |
329 | // When Image has no reloc section, it can't be relocated into memory.\r |
330 | //\r | |
609730ef | 331 | if (ImageContext.RelocationsStripped && (Private->PeiMemoryInstalled) && ((!IsPeiModule) ||\r |
3d44658c | 332 | (!IsS3Boot && (PcdGetBool (PcdShadowPeimOnBoot) || IsRegisterForShadow)) || (IsS3Boot && PcdGetBool (PcdShadowPeimOnS3Boot)))) {\r |
54ea99a7 | 333 | DEBUG ((EFI_D_INFO|EFI_D_LOAD, "The image at 0x%08x without reloc section can't be loaded into memory\n", (UINTN) Pe32Data));\r |
9626a87e | 334 | }\r |
414bdfb6 | 335 | \r |
341a658f LG |
336 | //\r |
337 | // Set default base address to current image address.\r | |
338 | //\r | |
339 | ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Pe32Data;\r | |
54ea99a7 | 340 | \r |
9626a87e | 341 | //\r |
3d44658c LG |
342 | // Allocate Memory for the image when memory is ready, and image is relocatable.\r |
343 | // On normal boot, PcdShadowPeimOnBoot decides whether load PEIM or PeiCore into memory.\r | |
344 | // On S3 boot, PcdShadowPeimOnS3Boot decides whether load PEIM or PeiCore into memory.\r | |
b0d803fe | 345 | //\r |
609730ef | 346 | if ((!ImageContext.RelocationsStripped) && (Private->PeiMemoryInstalled) && ((!IsPeiModule) ||\r |
3d44658c | 347 | (!IsS3Boot && (PcdGetBool (PcdShadowPeimOnBoot) || IsRegisterForShadow)) || (IsS3Boot && PcdGetBool (PcdShadowPeimOnS3Boot)))) {\r |
935efc21 ED |
348 | //\r |
349 | // Allocate more buffer to avoid buffer overflow.\r | |
350 | //\r | |
351 | if (ImageContext.IsTeImage) {\r | |
352 | AlignImageSize = ImageContext.ImageSize + ((EFI_TE_IMAGE_HEADER *) Pe32Data)->StrippedSize - sizeof (EFI_TE_IMAGE_HEADER);\r | |
353 | } else {\r | |
354 | AlignImageSize = ImageContext.ImageSize;\r | |
355 | }\r | |
356 | \r | |
357 | if (ImageContext.SectionAlignment > EFI_PAGE_SIZE) {\r | |
358 | AlignImageSize += ImageContext.SectionAlignment;\r | |
359 | }\r | |
360 | \r | |
5d7f3126 | 361 | if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0 && (Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME)) {\r |
54ea99a7 | 362 | Status = GetPeCoffImageFixLoadingAssignedAddress(&ImageContext, Private);\r |
363 | if (EFI_ERROR (Status)){\r | |
364 | DEBUG ((EFI_D_INFO|EFI_D_LOAD, "LOADING MODULE FIXED ERROR: Failed to load module at fixed address. \n"));\r | |
365 | //\r | |
366 | // The PEIM is not assiged valid address, try to allocate page to load it.\r | |
367 | //\r | |
a0ffd7a9 AB |
368 | Status = PeiServicesAllocatePages (EfiBootServicesCode,\r |
369 | EFI_SIZE_TO_PAGES ((UINT32) AlignImageSize),\r | |
370 | &ImageContext.ImageAddress);\r | |
54ea99a7 | 371 | }\r |
372 | } else {\r | |
a0ffd7a9 AB |
373 | Status = PeiServicesAllocatePages (EfiBootServicesCode,\r |
374 | EFI_SIZE_TO_PAGES ((UINT32) AlignImageSize),\r | |
375 | &ImageContext.ImageAddress);\r | |
54ea99a7 | 376 | }\r |
a0ffd7a9 | 377 | if (!EFI_ERROR (Status)) {\r |
5d7f3126 LG |
378 | //\r |
379 | // Adjust the Image Address to make sure it is section alignment.\r | |
380 | //\r | |
381 | if (ImageContext.SectionAlignment > EFI_PAGE_SIZE) {\r | |
382 | ImageContext.ImageAddress =\r | |
383 | (ImageContext.ImageAddress + ImageContext.SectionAlignment - 1) &\r | |
384 | ~((UINTN)ImageContext.SectionAlignment - 1);\r | |
385 | }\r | |
386 | //\r | |
387 | // Fix alignment requirement when Load IPF TeImage into memory.\r | |
388 | // Skip the reserved space for the stripped PeHeader when load TeImage into memory.\r | |
389 | //\r | |
390 | if (ImageContext.IsTeImage) {\r | |
391 | ImageContext.ImageAddress = ImageContext.ImageAddress +\r | |
392 | ((EFI_TE_IMAGE_HEADER *) Pe32Data)->StrippedSize -\r | |
393 | sizeof (EFI_TE_IMAGE_HEADER);\r | |
394 | }\r | |
395 | } else {\r | |
396 | //\r | |
397 | // No enough memory resource.\r | |
398 | //\r | |
399 | if (IsXipImage) {\r | |
400 | //\r | |
401 | // XIP image can still be invoked.\r | |
402 | //\r | |
403 | ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Pe32Data;\r | |
404 | ReturnStatus = EFI_WARN_BUFFER_TOO_SMALL;\r | |
405 | } else {\r | |
406 | //\r | |
407 | // Non XIP image can't be loaded because no enough memory is allocated.\r | |
408 | //\r | |
409 | ASSERT (FALSE);\r | |
410 | return EFI_OUT_OF_RESOURCES;\r | |
411 | }\r | |
43ada17c | 412 | }\r |
4e844595 | 413 | }\r |
b0d803fe | 414 | \r |
415 | //\r | |
416 | // Load the image to our new buffer\r | |
417 | //\r | |
3d7b0992 | 418 | Status = PeCoffLoaderLoadImage (&ImageContext);\r |
b0d803fe | 419 | if (EFI_ERROR (Status)) {\r |
63c677e2 LG |
420 | if (ImageContext.ImageError == IMAGE_ERROR_INVALID_SECTION_ALIGNMENT) {\r |
421 | DEBUG ((DEBUG_ERROR, "PEIM Image Address 0x%11p doesn't meet with section alignment 0x%x.\n", (VOID*)(UINTN)ImageContext.ImageAddress, ImageContext.SectionAlignment));\r | |
422 | }\r | |
b0d803fe | 423 | return Status;\r |
424 | }\r | |
425 | //\r | |
426 | // Relocate the image in our new buffer\r | |
427 | //\r | |
3d7b0992 | 428 | Status = PeCoffLoaderRelocateImage (&ImageContext);\r |
b0d803fe | 429 | if (EFI_ERROR (Status)) {\r |
430 | return Status;\r | |
431 | }\r | |
432 | \r | |
433 | //\r | |
434 | // Flush the instruction cache so the image data is written before we execute it\r | |
435 | //\r | |
5d7f3126 | 436 | if (ImageContext.ImageAddress != (EFI_PHYSICAL_ADDRESS)(UINTN) Pe32Data) {\r |
43ada17c | 437 | InvalidateInstructionCacheRange ((VOID *)(UINTN)ImageContext.ImageAddress, (UINTN)ImageContext.ImageSize);\r |
438 | }\r | |
b0d803fe | 439 | \r |
440 | *ImageAddress = ImageContext.ImageAddress;\r | |
441 | *ImageSize = ImageContext.ImageSize;\r | |
442 | *EntryPoint = ImageContext.EntryPoint;\r | |
443 | \r | |
5d7f3126 | 444 | return ReturnStatus;\r |
b0d803fe | 445 | }\r |
446 | \r | |
b1f6a7c6 | 447 | /**\r |
54ea99a7 | 448 | Loads a PEIM into memory for subsequent execution. If there are compressed\r |
449 | images or images that need to be relocated into memory for performance reasons,\r | |
ed299e3c | 450 | this service performs that transformation.\r |
b1f6a7c6 | 451 | \r |
ed299e3c | 452 | @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r |
b1f6a7c6 | 453 | @param FileHandle Pointer to the FFS file header of the image.\r |
454 | @param ImageAddressArg Pointer to PE/TE image.\r | |
455 | @param ImageSizeArg Size of PE/TE image.\r | |
456 | @param EntryPoint Pointer to entry point of specified image file for output.\r | |
457 | @param AuthenticationState - Pointer to attestation authentication state of image.\r | |
458 | \r | |
ed299e3c LG |
459 | @retval EFI_SUCCESS Image is successfully loaded.\r |
460 | @retval EFI_NOT_FOUND Fail to locate necessary PPI.\r | |
461 | @retval EFI_UNSUPPORTED Image Machine Type is not supported.\r | |
d1102dba | 462 | @retval EFI_WARN_BUFFER_TOO_SMALL\r |
5d7f3126 LG |
463 | There is not enough heap to allocate the requested size.\r |
464 | This will not prevent the XIP image from being invoked.\r | |
b1f6a7c6 | 465 | \r |
466 | **/\r | |
b0d803fe | 467 | EFI_STATUS\r |
468 | PeiLoadImageLoadImage (\r | |
284c8400 | 469 | IN CONST EFI_PEI_SERVICES **PeiServices,\r |
b0d803fe | 470 | IN EFI_PEI_FILE_HANDLE FileHandle,\r |
471 | OUT EFI_PHYSICAL_ADDRESS *ImageAddressArg, OPTIONAL\r | |
472 | OUT UINT64 *ImageSizeArg, OPTIONAL\r | |
473 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint,\r | |
474 | OUT UINT32 *AuthenticationState\r | |
475 | )\r | |
192f6d4c | 476 | {\r |
477 | EFI_STATUS Status;\r | |
478 | VOID *Pe32Data;\r | |
192f6d4c | 479 | EFI_PHYSICAL_ADDRESS ImageAddress;\r |
480 | UINT64 ImageSize;\r | |
481 | EFI_PHYSICAL_ADDRESS ImageEntryPoint;\r | |
192f6d4c | 482 | UINT16 Machine;\r |
3076397e | 483 | EFI_SECTION_TYPE SearchType1;\r |
484 | EFI_SECTION_TYPE SearchType2;\r | |
192f6d4c | 485 | \r |
3d7b0992 LG |
486 | *EntryPoint = 0;\r |
487 | ImageSize = 0;\r | |
b0d803fe | 488 | *AuthenticationState = 0;\r |
192f6d4c | 489 | \r |
3076397e | 490 | if (FeaturePcdGet (PcdPeiCoreImageLoaderSearchTeSectionFirst)) {\r |
491 | SearchType1 = EFI_SECTION_TE;\r | |
492 | SearchType2 = EFI_SECTION_PE32;\r | |
493 | } else {\r | |
494 | SearchType1 = EFI_SECTION_PE32;\r | |
495 | SearchType2 = EFI_SECTION_TE;\r | |
496 | }\r | |
1b620adb | 497 | \r |
192f6d4c | 498 | //\r |
54ea99a7 | 499 | // Try to find a first exe section (if PcdPeiCoreImageLoaderSearchTeSectionFirst\r |
3076397e | 500 | // is true, TE will be searched first).\r |
192f6d4c | 501 | //\r |
c7935105 | 502 | Status = PeiServicesFfsFindSectionData3 (\r |
3076397e | 503 | SearchType1,\r |
c7935105 | 504 | 0,\r |
b0d803fe | 505 | FileHandle,\r |
c7935105 SZ |
506 | &Pe32Data,\r |
507 | AuthenticationState\r | |
192f6d4c | 508 | );\r |
509 | //\r | |
3076397e | 510 | // If we didn't find a first exe section, try to find the second exe section.\r |
192f6d4c | 511 | //\r |
512 | if (EFI_ERROR (Status)) {\r | |
c7935105 | 513 | Status = PeiServicesFfsFindSectionData3 (\r |
3076397e | 514 | SearchType2,\r |
c7935105 | 515 | 0,\r |
b0d803fe | 516 | FileHandle,\r |
c7935105 SZ |
517 | &Pe32Data,\r |
518 | AuthenticationState\r | |
192f6d4c | 519 | );\r |
b0d803fe | 520 | if (EFI_ERROR (Status)) {\r |
192f6d4c | 521 | //\r |
c7935105 | 522 | // PEI core only carry the loader function for TE and PE32 executables\r |
b0d803fe | 523 | // If this two section does not exist, just return.\r |
192f6d4c | 524 | //\r |
b0d803fe | 525 | return Status;\r |
526 | }\r | |
527 | }\r | |
54ea99a7 | 528 | \r |
63c677e2 LG |
529 | DEBUG ((DEBUG_INFO, "Loading PEIM %g\n", FileHandle));\r |
530 | \r | |
43ada17c | 531 | //\r |
532 | // If memory is installed, perform the shadow operations\r | |
533 | //\r | |
534 | Status = LoadAndRelocatePeCoffImage (\r | |
3d44658c | 535 | FileHandle,\r |
43ada17c | 536 | Pe32Data,\r |
537 | &ImageAddress,\r | |
538 | &ImageSize,\r | |
539 | &ImageEntryPoint\r | |
540 | );\r | |
192f6d4c | 541 | \r |
43ada17c | 542 | ASSERT_EFI_ERROR (Status);\r |
3d7b0992 | 543 | \r |
43ada17c | 544 | \r |
545 | if (EFI_ERROR (Status)) {\r | |
546 | return Status;\r | |
192f6d4c | 547 | }\r |
43ada17c | 548 | \r |
549 | //\r | |
550 | // Got the entry point from the loaded Pe32Data\r | |
551 | //\r | |
552 | Pe32Data = (VOID *) ((UINTN) ImageAddress);\r | |
553 | *EntryPoint = ImageEntryPoint;\r | |
54ea99a7 | 554 | \r |
3d7b0992 | 555 | Machine = PeCoffLoaderGetMachineType (Pe32Data);\r |
54ea99a7 | 556 | \r |
192f6d4c | 557 | if (!EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Machine)) {\r |
8c519a56 | 558 | if (!EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED (Machine)) {\r |
559 | return EFI_UNSUPPORTED;\r | |
560 | }\r | |
192f6d4c | 561 | }\r |
562 | \r | |
b0d803fe | 563 | if (ImageAddressArg != NULL) {\r |
564 | *ImageAddressArg = ImageAddress;\r | |
565 | }\r | |
566 | \r | |
567 | if (ImageSizeArg != NULL) {\r | |
568 | *ImageSizeArg = ImageSize;\r | |
569 | }\r | |
54ea99a7 | 570 | \r |
192f6d4c | 571 | DEBUG_CODE_BEGIN ();\r |
3d7b0992 | 572 | CHAR8 *AsciiString;\r |
77a750a5 | 573 | CHAR8 EfiFileName[512];\r |
3d7b0992 | 574 | INT32 Index;\r |
77a750a5 | 575 | INT32 StartIndex;\r |
e98cd821 LG |
576 | \r |
577 | //\r | |
578 | // Print debug message: Loading PEIM at 0x12345678 EntryPoint=0x12345688 Driver.efi\r | |
579 | //\r | |
7cf02714 | 580 | if (Machine != EFI_IMAGE_MACHINE_IA64) {\r |
91136124 | 581 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading PEIM at 0x%11p EntryPoint=0x%11p ", (VOID *)(UINTN)ImageAddress, (VOID *)(UINTN)*EntryPoint));\r |
e98cd821 LG |
582 | } else {\r |
583 | //\r | |
584 | // For IPF Image, the real entry point should be print.\r | |
585 | //\r | |
91136124 | 586 | 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 | 587 | }\r |
54ea99a7 | 588 | \r |
e98cd821 LG |
589 | //\r |
590 | // Print Module Name by PeImage PDB file name.\r | |
591 | //\r | |
3d7b0992 | 592 | AsciiString = PeCoffLoaderGetPdbPointer (Pe32Data);\r |
54ea99a7 | 593 | \r |
3d7b0992 | 594 | if (AsciiString != NULL) {\r |
77a750a5 LG |
595 | StartIndex = 0;\r |
596 | for (Index = 0; AsciiString[Index] != 0; Index++) {\r | |
1e21413c | 597 | if (AsciiString[Index] == '\\' || AsciiString[Index] == '/') {\r |
77a750a5 | 598 | StartIndex = Index + 1;\r |
3d7b0992 | 599 | }\r |
192f6d4c | 600 | }\r |
192f6d4c | 601 | \r |
77a750a5 LG |
602 | //\r |
603 | // Copy the PDB file name to our temporary string, and replace .pdb with .efi\r | |
604 | // The PDB file name is limited in the range of 0~511.\r | |
605 | // If the length is bigger than 511, trim the redudant characters to avoid overflow in array boundary.\r | |
606 | //\r | |
607 | for (Index = 0; Index < sizeof (EfiFileName) - 4; Index++) {\r | |
608 | EfiFileName[Index] = AsciiString[Index + StartIndex];\r | |
609 | if (EfiFileName[Index] == 0) {\r | |
610 | EfiFileName[Index] = '.';\r | |
611 | }\r | |
612 | if (EfiFileName[Index] == '.') {\r | |
613 | EfiFileName[Index + 1] = 'e';\r | |
614 | EfiFileName[Index + 2] = 'f';\r | |
615 | EfiFileName[Index + 3] = 'i';\r | |
616 | EfiFileName[Index + 4] = 0;\r | |
617 | break;\r | |
192f6d4c | 618 | }\r |
619 | }\r | |
77a750a5 LG |
620 | \r |
621 | if (Index == sizeof (EfiFileName) - 4) {\r | |
622 | EfiFileName[Index] = 0;\r | |
623 | }\r | |
624 | \r | |
625 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "%a", EfiFileName));\r | |
192f6d4c | 626 | }\r |
3d7b0992 | 627 | \r |
192f6d4c | 628 | DEBUG_CODE_END ();\r |
629 | \r | |
630 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "\n"));\r | |
631 | \r | |
632 | return EFI_SUCCESS;\r | |
b0d803fe | 633 | \r |
634 | }\r | |
635 | \r | |
636 | \r | |
b1f6a7c6 | 637 | /**\r |
638 | The wrapper function of PeiLoadImageLoadImage().\r | |
639 | \r | |
640 | @param This - Pointer to EFI_PEI_LOAD_FILE_PPI.\r | |
641 | @param FileHandle - Pointer to the FFS file header of the image.\r | |
642 | @param ImageAddressArg - Pointer to PE/TE image.\r | |
643 | @param ImageSizeArg - Size of PE/TE image.\r | |
644 | @param EntryPoint - Pointer to entry point of specified image file for output.\r | |
645 | @param AuthenticationState - Pointer to attestation authentication state of image.\r | |
646 | \r | |
647 | @return Status of PeiLoadImageLoadImage().\r | |
648 | \r | |
649 | **/\r | |
b0d803fe | 650 | EFI_STATUS\r |
651 | EFIAPI\r | |
652 | PeiLoadImageLoadImageWrapper (\r | |
653 | IN CONST EFI_PEI_LOAD_FILE_PPI *This,\r | |
654 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
655 | OUT EFI_PHYSICAL_ADDRESS *ImageAddressArg, OPTIONAL\r | |
656 | OUT UINT64 *ImageSizeArg, OPTIONAL\r | |
657 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint,\r | |
658 | OUT UINT32 *AuthenticationState\r | |
659 | )\r | |
b0d803fe | 660 | {\r |
661 | return PeiLoadImageLoadImage (\r | |
662 | GetPeiServicesTablePointer (),\r | |
663 | FileHandle,\r | |
664 | ImageAddressArg,\r | |
665 | ImageSizeArg,\r | |
666 | EntryPoint,\r | |
667 | AuthenticationState\r | |
668 | );\r | |
192f6d4c | 669 | }\r |
b0d803fe | 670 | \r |
341a658f LG |
671 | /**\r |
672 | Check whether the input image has the relocation.\r | |
673 | \r | |
674 | @param Pe32Data Pointer to the PE/COFF or TE image.\r | |
675 | \r | |
676 | @retval TRUE Relocation is stripped.\r | |
677 | @retval FALSE Relocation is not stripped.\r | |
678 | \r | |
679 | **/\r | |
680 | BOOLEAN\r | |
681 | RelocationIsStrip (\r | |
682 | IN VOID *Pe32Data\r | |
683 | )\r | |
684 | {\r | |
685 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;\r | |
686 | EFI_IMAGE_DOS_HEADER *DosHdr;\r | |
687 | \r | |
688 | ASSERT (Pe32Data != NULL);\r | |
689 | \r | |
690 | DosHdr = (EFI_IMAGE_DOS_HEADER *)Pe32Data;\r | |
691 | if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r | |
692 | //\r | |
693 | // DOS image header is present, so read the PE header after the DOS image header.\r | |
694 | //\r | |
695 | Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINTN) Pe32Data + (UINTN) ((DosHdr->e_lfanew) & 0x0ffff));\r | |
696 | } else {\r | |
697 | //\r | |
698 | // DOS image header is not present, so PE header is at the image base.\r | |
699 | //\r | |
700 | Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)Pe32Data;\r | |
701 | }\r | |
702 | \r | |
703 | //\r | |
704 | // Three cases with regards to relocations:\r | |
705 | // - Image has base relocs, RELOCS_STRIPPED==0 => image is relocatable\r | |
706 | // - Image has no base relocs, RELOCS_STRIPPED==1 => Image is not relocatable\r | |
707 | // - Image has no base relocs, RELOCS_STRIPPED==0 => Image is relocatable but\r | |
708 | // has no base relocs to apply\r | |
709 | // Obviously having base relocations with RELOCS_STRIPPED==1 is invalid.\r | |
710 | //\r | |
711 | // Look at the file header to determine if relocations have been stripped, and\r | |
712 | // save this info in the image context for later use.\r | |
713 | //\r | |
714 | if (Hdr.Te->Signature == EFI_TE_IMAGE_HEADER_SIGNATURE) {\r | |
715 | if ((Hdr.Te->DataDirectory[0].Size == 0) && (Hdr.Te->DataDirectory[0].VirtualAddress == 0)) {\r | |
716 | return TRUE;\r | |
717 | } else {\r | |
718 | return FALSE;\r | |
719 | }\r | |
720 | } else if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE) {\r | |
721 | if ((Hdr.Pe32->FileHeader.Characteristics & EFI_IMAGE_FILE_RELOCS_STRIPPED) != 0) {\r | |
722 | return TRUE;\r | |
723 | } else {\r | |
724 | return FALSE;\r | |
725 | }\r | |
726 | }\r | |
727 | \r | |
728 | return FALSE;\r | |
729 | }\r | |
730 | \r | |
b1f6a7c6 | 731 | /**\r |
ed299e3c | 732 | Routine to load image file for subsequent execution by LoadFile Ppi.\r |
54ea99a7 | 733 | If any LoadFile Ppi is not found, the build-in support function for the PE32+/TE\r |
ed299e3c | 734 | XIP image format is used.\r |
b1f6a7c6 | 735 | \r |
ed299e3c LG |
736 | @param PeiServices - An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r |
737 | @param FileHandle - Pointer to the FFS file header of the image.\r | |
341a658f | 738 | @param PeimState - The dispatch state of the input PEIM handle.\r |
ed299e3c LG |
739 | @param EntryPoint - Pointer to entry point of specified image file for output.\r |
740 | @param AuthenticationState - Pointer to attestation authentication state of image.\r | |
b1f6a7c6 | 741 | \r |
ed299e3c LG |
742 | @retval EFI_SUCCESS - Image is successfully loaded.\r |
743 | @retval EFI_NOT_FOUND - Fail to locate necessary PPI\r | |
744 | @retval Others - Fail to load file.\r | |
b1f6a7c6 | 745 | \r |
746 | **/\r | |
b0d803fe | 747 | EFI_STATUS\r |
748 | PeiLoadImage (\r | |
6c7a807a | 749 | IN CONST EFI_PEI_SERVICES **PeiServices,\r |
b0d803fe | 750 | IN EFI_PEI_FILE_HANDLE FileHandle,\r |
341a658f | 751 | IN UINT8 PeimState,\r |
b0d803fe | 752 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint,\r |
753 | OUT UINT32 *AuthenticationState\r | |
754 | )\r | |
b0d803fe | 755 | {\r |
756 | EFI_STATUS PpiStatus;\r | |
757 | EFI_STATUS Status;\r | |
758 | UINTN Index;\r | |
759 | EFI_PEI_LOAD_FILE_PPI *LoadFile;\r | |
760 | EFI_PHYSICAL_ADDRESS ImageAddress;\r | |
761 | UINT64 ImageSize;\r | |
341a658f | 762 | BOOLEAN IsStrip;\r |
b0d803fe | 763 | \r |
341a658f | 764 | IsStrip = FALSE;\r |
b0d803fe | 765 | //\r |
766 | // If any instances of PEI_LOAD_FILE_PPI are installed, they are called.\r | |
767 | // one at a time, until one reports EFI_SUCCESS.\r | |
768 | //\r | |
769 | Index = 0;\r | |
770 | do {\r | |
771 | PpiStatus = PeiServicesLocatePpi (\r | |
772 | &gEfiPeiLoadFilePpiGuid,\r | |
773 | Index,\r | |
774 | NULL,\r | |
775 | (VOID **)&LoadFile\r | |
776 | );\r | |
777 | if (!EFI_ERROR (PpiStatus)) {\r | |
778 | Status = LoadFile->LoadFile (\r | |
54ea99a7 | 779 | LoadFile,\r |
780 | FileHandle,\r | |
781 | &ImageAddress,\r | |
b0d803fe | 782 | &ImageSize,\r |
783 | EntryPoint,\r | |
784 | AuthenticationState\r | |
785 | );\r | |
5d7f3126 | 786 | if (!EFI_ERROR (Status) || Status == EFI_WARN_BUFFER_TOO_SMALL) {\r |
341a658f LG |
787 | //\r |
788 | // The shadowed PEIM must be relocatable.\r | |
789 | //\r | |
c2c4199b | 790 | if (PeimState == PEIM_STATE_REGISTER_FOR_SHADOW) {\r |
341a658f LG |
791 | IsStrip = RelocationIsStrip ((VOID *) (UINTN) ImageAddress);\r |
792 | ASSERT (!IsStrip);\r | |
793 | if (IsStrip) {\r | |
794 | return EFI_UNSUPPORTED;\r | |
795 | }\r | |
796 | }\r | |
797 | \r | |
db0b7ad5 LG |
798 | //\r |
799 | // The image to be started must have the machine type supported by PeiCore.\r | |
800 | //\r | |
801 | ASSERT (EFI_IMAGE_MACHINE_TYPE_SUPPORTED (PeCoffLoaderGetMachineType ((VOID *) (UINTN) ImageAddress)));\r | |
919df8e6 | 802 | if (!EFI_IMAGE_MACHINE_TYPE_SUPPORTED (PeCoffLoaderGetMachineType ((VOID *) (UINTN) ImageAddress))) {\r |
919df8e6 LG |
803 | return EFI_UNSUPPORTED;\r |
804 | }\r | |
5d7f3126 | 805 | return EFI_SUCCESS;\r |
b0d803fe | 806 | }\r |
807 | }\r | |
808 | Index++;\r | |
809 | } while (!EFI_ERROR (PpiStatus));\r | |
810 | \r | |
8c519a56 | 811 | return PpiStatus;\r |
b0d803fe | 812 | }\r |
813 | \r | |
814 | \r | |
b1f6a7c6 | 815 | /**\r |
b0d803fe | 816 | \r |
ed299e3c LG |
817 | Install Pei Load File PPI.\r |
818 | \r | |
819 | \r | |
820 | @param PrivateData - Pointer to PEI_CORE_INSTANCE.\r | |
821 | @param OldCoreData - Pointer to PEI_CORE_INSTANCE.\r | |
b0d803fe | 822 | \r |
b1f6a7c6 | 823 | **/\r |
824 | VOID\r | |
825 | InitializeImageServices (\r | |
826 | IN PEI_CORE_INSTANCE *PrivateData,\r | |
827 | IN PEI_CORE_INSTANCE *OldCoreData\r | |
828 | )\r | |
b0d803fe | 829 | {\r |
b0d803fe | 830 | if (OldCoreData == NULL) {\r |
831 | //\r | |
832 | // The first time we are XIP (running from FLASH). We need to remember the\r | |
833 | // FLASH address so we can reinstall the memory version that runs faster\r | |
834 | //\r | |
835 | PrivateData->XipLoadFile = &gPpiLoadFilePpiList;\r | |
836 | PeiServicesInstallPpi (PrivateData->XipLoadFile);\r | |
837 | } else {\r | |
838 | //\r | |
54ea99a7 | 839 | // 2nd time we are running from memory so replace the XIP version with the\r |
840 | // new memory version.\r | |
b0d803fe | 841 | //\r |
54ea99a7 | 842 | PeiServicesReInstallPpi (PrivateData->XipLoadFile, &gPpiLoadFilePpiList);\r |
b0d803fe | 843 | }\r |
844 | }\r | |
845 | \r | |
846 | \r | |
847 | \r | |
341a658f | 848 | \r |