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23c98c94 | 1 | /** @file\r |
504214c4 LG |
2 | Core image handling services to load and unload PeImage.\r |
3 | \r | |
7748df3d | 4 | Copyright (c) 2006 - 2009, Intel Corporation. <BR>\r |
28a00297 | 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 | |
504214c4 | 13 | **/\r |
28a00297 | 14 | \r |
9c4ac31c | 15 | #include "DxeMain.h"\r |
ec90508b | 16 | #include "Image.h"\r |
17 | \r | |
28a00297 | 18 | //\r |
19 | // Module Globals\r | |
20 | //\r | |
28a00297 | 21 | LOADED_IMAGE_PRIVATE_DATA *mCurrentImage = NULL;\r |
22 | \r | |
023c0fec | 23 | LOAD_PE32_IMAGE_PRIVATE_DATA mLoadPe32PrivateData = {\r |
24 | LOAD_PE32_IMAGE_PRIVATE_DATA_SIGNATURE,\r | |
25 | NULL,\r | |
26 | {\r | |
27 | CoreLoadImageEx,\r | |
28 | CoreUnloadImageEx\r | |
29 | }\r | |
30 | };\r | |
31 | \r | |
28a00297 | 32 | \r |
33 | //\r | |
34 | // This code is needed to build the Image handle for the DXE Core\r | |
35 | //\r | |
36 | LOADED_IMAGE_PRIVATE_DATA mCorePrivateImage = {\r | |
37 | LOADED_IMAGE_PRIVATE_DATA_SIGNATURE, // Signature\r | |
38 | NULL, // Image handle\r | |
39 | EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER, // Image type\r | |
40 | TRUE, // If entrypoint has been called\r | |
41 | NULL, // EntryPoint\r | |
42 | {\r | |
43 | EFI_LOADED_IMAGE_INFORMATION_REVISION, // Revision\r | |
44 | NULL, // Parent handle\r | |
45 | NULL, // System handle\r | |
46 | \r | |
47 | NULL, // Device handle\r | |
48 | NULL, // File path\r | |
49 | NULL, // Reserved\r | |
50 | \r | |
51 | 0, // LoadOptionsSize\r | |
52 | NULL, // LoadOptions\r | |
53 | \r | |
54 | NULL, // ImageBase\r | |
55 | 0, // ImageSize\r | |
56 | EfiBootServicesCode, // ImageCodeType\r | |
57 | EfiBootServicesData // ImageDataType\r | |
58 | },\r | |
59 | (EFI_PHYSICAL_ADDRESS)0, // ImageBasePage\r | |
60 | 0, // NumberOfPages\r | |
61 | NULL, // FixupData\r | |
62 | 0, // Tpl\r | |
63 | EFI_SUCCESS, // Status\r | |
64 | 0, // ExitDataSize\r | |
65 | NULL, // ExitData\r | |
66 | NULL, // JumpBuffer\r | |
67 | NULL, // JumpContext\r | |
68 | 0, // Machine\r | |
69 | NULL, // Ebc\r | |
70 | NULL, // RuntimeData\r | |
ba39e316 | 71 | NULL // LoadedImageDevicePath\r |
28a00297 | 72 | };\r |
73 | \r | |
74 | \r | |
28a00297 | 75 | \r |
162ed594 | 76 | /**\r |
28a00297 | 77 | Add the Image Services to EFI Boot Services Table and install the protocol\r |
78 | interfaces for this image.\r | |
79 | \r | |
57d6f36d | 80 | @param HobStart The HOB to initialize\r |
28a00297 | 81 | \r |
162ed594 | 82 | @return Status code.\r |
28a00297 | 83 | \r |
162ed594 | 84 | **/\r |
85 | EFI_STATUS\r | |
86 | CoreInitializeImageServices (\r | |
87 | IN VOID *HobStart\r | |
88 | )\r | |
28a00297 | 89 | {\r |
90 | EFI_STATUS Status;\r | |
91 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
92 | EFI_PHYSICAL_ADDRESS DxeCoreImageBaseAddress;\r | |
93 | UINT64 DxeCoreImageLength;\r | |
94 | VOID *DxeCoreEntryPoint;\r | |
95 | EFI_PEI_HOB_POINTERS DxeCoreHob;\r | |
96 | //\r | |
97 | // Searching for image hob\r | |
98 | //\r | |
99 | DxeCoreHob.Raw = HobStart;\r | |
100 | while ((DxeCoreHob.Raw = GetNextHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, DxeCoreHob.Raw)) != NULL) {\r | |
101 | if (CompareGuid (&DxeCoreHob.MemoryAllocationModule->MemoryAllocationHeader.Name, &gEfiHobMemoryAllocModuleGuid)) {\r | |
102 | //\r | |
103 | // Find Dxe Core HOB\r | |
104 | //\r | |
105 | break;\r | |
106 | }\r | |
107 | DxeCoreHob.Raw = GET_NEXT_HOB (DxeCoreHob);\r | |
108 | }\r | |
109 | ASSERT (DxeCoreHob.Raw != NULL);\r | |
110 | \r | |
111 | DxeCoreImageBaseAddress = DxeCoreHob.MemoryAllocationModule->MemoryAllocationHeader.MemoryBaseAddress;\r | |
112 | DxeCoreImageLength = DxeCoreHob.MemoryAllocationModule->MemoryAllocationHeader.MemoryLength;\r | |
113 | DxeCoreEntryPoint = (VOID *) (UINTN) DxeCoreHob.MemoryAllocationModule->EntryPoint;\r | |
114 | gDxeCoreFileName = &DxeCoreHob.MemoryAllocationModule->ModuleName;\r | |
115 | //\r | |
116 | // Initialize the fields for an internal driver\r | |
117 | //\r | |
118 | Image = &mCorePrivateImage;\r | |
119 | \r | |
120 | Image->EntryPoint = (EFI_IMAGE_ENTRY_POINT)(UINTN)DxeCoreEntryPoint;\r | |
121 | Image->ImageBasePage = DxeCoreImageBaseAddress;\r | |
122 | Image->NumberOfPages = (UINTN)(EFI_SIZE_TO_PAGES((UINTN)(DxeCoreImageLength)));\r | |
123 | Image->Tpl = gEfiCurrentTpl;\r | |
124 | Image->Info.SystemTable = gDxeCoreST;\r | |
125 | Image->Info.ImageBase = (VOID *)(UINTN)DxeCoreImageBaseAddress;\r | |
126 | Image->Info.ImageSize = DxeCoreImageLength;\r | |
127 | \r | |
128 | //\r | |
129 | // Install the protocol interfaces for this image\r | |
130 | //\r | |
131 | Status = CoreInstallProtocolInterface (\r | |
132 | &Image->Handle,\r | |
133 | &gEfiLoadedImageProtocolGuid,\r | |
134 | EFI_NATIVE_INTERFACE,\r | |
135 | &Image->Info\r | |
136 | );\r | |
137 | ASSERT_EFI_ERROR (Status);\r | |
138 | \r | |
139 | mCurrentImage = Image;\r | |
140 | \r | |
141 | //\r | |
142 | // Fill in DXE globals\r | |
143 | //\r | |
144 | gDxeCoreImageHandle = Image->Handle;\r | |
145 | gDxeCoreLoadedImage = &Image->Info;\r | |
146 | \r | |
147 | //\r | |
148 | // Export DXE Core PE Loader functionality\r | |
149 | //\r | |
023c0fec | 150 | return CoreInstallProtocolInterface (\r |
151 | &mLoadPe32PrivateData.Handle,\r | |
152 | &gEfiLoadPeImageProtocolGuid,\r | |
153 | EFI_NATIVE_INTERFACE,\r | |
154 | &mLoadPe32PrivateData.Pe32Image\r | |
155 | );\r | |
28a00297 | 156 | }\r |
157 | \r | |
7748df3d LG |
158 | /**\r |
159 | Read image file (specified by UserHandle) into user specified buffer with specified offset\r | |
160 | and length.\r | |
161 | \r | |
162 | @param UserHandle Image file handle\r | |
163 | @param Offset Offset to the source file\r | |
164 | @param ReadSize For input, pointer of size to read; For output,\r | |
165 | pointer of size actually read.\r | |
166 | @param Buffer Buffer to write into\r | |
167 | \r | |
168 | @retval EFI_SUCCESS Successfully read the specified part of file\r | |
169 | into buffer.\r | |
170 | \r | |
171 | **/\r | |
172 | EFI_STATUS\r | |
173 | EFIAPI\r | |
174 | CoreReadImageFile (\r | |
175 | IN VOID *UserHandle,\r | |
176 | IN UINTN Offset,\r | |
177 | IN OUT UINTN *ReadSize,\r | |
178 | OUT VOID *Buffer\r | |
179 | )\r | |
180 | {\r | |
181 | UINTN EndPosition;\r | |
182 | IMAGE_FILE_HANDLE *FHand;\r | |
183 | \r | |
184 | FHand = (IMAGE_FILE_HANDLE *)UserHandle;\r | |
185 | ASSERT (FHand->Signature == IMAGE_FILE_HANDLE_SIGNATURE);\r | |
186 | \r | |
187 | //\r | |
188 | // Move data from our local copy of the file\r | |
189 | //\r | |
190 | EndPosition = Offset + *ReadSize;\r | |
191 | if (EndPosition > FHand->SourceSize) {\r | |
192 | *ReadSize = (UINT32)(FHand->SourceSize - Offset);\r | |
193 | }\r | |
194 | if (Offset >= FHand->SourceSize) {\r | |
195 | *ReadSize = 0;\r | |
196 | }\r | |
197 | \r | |
198 | CopyMem (Buffer, (CHAR8 *)FHand->Source + Offset, *ReadSize);\r | |
199 | return EFI_SUCCESS;\r | |
200 | }\r | |
162ed594 | 201 | \r |
202 | /**\r | |
203 | Loads, relocates, and invokes a PE/COFF image\r | |
204 | \r | |
57d6f36d | 205 | @param BootPolicy If TRUE, indicates that the request originates\r |
206 | from the boot manager, and that the boot\r | |
207 | manager is attempting to load FilePath as a\r | |
208 | boot selection.\r | |
209 | @param Pe32Handle The handle of PE32 image\r | |
210 | @param Image PE image to be loaded\r | |
211 | @param DstBuffer The buffer to store the image\r | |
212 | @param EntryPoint A pointer to the entry point\r | |
213 | @param Attribute The bit mask of attributes to set for the load\r | |
214 | PE image\r | |
215 | \r | |
216 | @retval EFI_SUCCESS The file was loaded, relocated, and invoked\r | |
217 | @retval EFI_OUT_OF_RESOURCES There was not enough memory to load and\r | |
218 | relocate the PE/COFF file\r | |
219 | @retval EFI_INVALID_PARAMETER Invalid parameter\r | |
162ed594 | 220 | @retval EFI_BUFFER_TOO_SMALL Buffer for image is too small\r |
221 | \r | |
222 | **/\r | |
28a00297 | 223 | EFI_STATUS\r |
224 | CoreLoadPeImage (\r | |
57d6f36d | 225 | IN BOOLEAN BootPolicy,\r |
28a00297 | 226 | IN VOID *Pe32Handle,\r |
227 | IN LOADED_IMAGE_PRIVATE_DATA *Image,\r | |
228 | IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,\r | |
229 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,\r | |
230 | IN UINT32 Attribute\r | |
231 | )\r | |
28a00297 | 232 | {\r |
822360ee LG |
233 | EFI_STATUS Status;\r |
234 | BOOLEAN DstBufAlocated;\r | |
235 | UINTN Size;\r | |
28a00297 | 236 | \r |
237 | ZeroMem (&Image->ImageContext, sizeof (Image->ImageContext));\r | |
238 | \r | |
239 | Image->ImageContext.Handle = Pe32Handle;\r | |
240 | Image->ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE)CoreReadImageFile;\r | |
241 | \r | |
242 | //\r | |
243 | // Get information about the image being loaded\r | |
244 | //\r | |
3d7b0992 | 245 | Status = PeCoffLoaderGetImageInfo (&Image->ImageContext);\r |
28a00297 | 246 | if (EFI_ERROR (Status)) {\r |
247 | return Status;\r | |
248 | }\r | |
249 | \r | |
250 | if (!EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Image->ImageContext.Machine)) {\r | |
5fed8e34 | 251 | if (!EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED (Image->ImageContext.Machine)) {\r |
252 | //\r | |
253 | // The PE/COFF loader can support loading image types that can be executed.\r | |
254 | // If we loaded an image type that we can not execute return EFI_UNSUPORTED.\r | |
255 | //\r | |
256 | return EFI_UNSUPPORTED;\r | |
257 | }\r | |
28a00297 | 258 | }\r |
57d6f36d | 259 | \r |
a0ae8996 LG |
260 | //\r |
261 | // Set EFI memory type based on ImageType\r | |
262 | //\r | |
263 | switch (Image->ImageContext.ImageType) {\r | |
264 | case EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION:\r | |
265 | Image->ImageContext.ImageCodeMemoryType = EfiLoaderCode;\r | |
266 | Image->ImageContext.ImageDataMemoryType = EfiLoaderData;\r | |
267 | break;\r | |
268 | case EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER:\r | |
269 | Image->ImageContext.ImageCodeMemoryType = EfiBootServicesCode;\r | |
270 | Image->ImageContext.ImageDataMemoryType = EfiBootServicesData;\r | |
271 | break;\r | |
272 | case EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER:\r | |
273 | case EFI_IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER:\r | |
274 | Image->ImageContext.ImageCodeMemoryType = EfiRuntimeServicesCode;\r | |
275 | Image->ImageContext.ImageDataMemoryType = EfiRuntimeServicesData;\r | |
276 | break;\r | |
277 | default:\r | |
278 | Image->ImageContext.ImageError = IMAGE_ERROR_INVALID_SUBSYSTEM;\r | |
279 | return EFI_UNSUPPORTED;\r | |
280 | }\r | |
28a00297 | 281 | \r |
282 | //\r | |
283 | // Allocate memory of the correct memory type aligned on the required image boundry\r | |
284 | //\r | |
285 | DstBufAlocated = FALSE;\r | |
286 | if (DstBuffer == 0) {\r | |
287 | //\r | |
288 | // Allocate Destination Buffer as caller did not pass it in\r | |
289 | //\r | |
290 | \r | |
291 | if (Image->ImageContext.SectionAlignment > EFI_PAGE_SIZE) {\r | |
292 | Size = (UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment;\r | |
293 | } else {\r | |
294 | Size = (UINTN)Image->ImageContext.ImageSize;\r | |
295 | }\r | |
296 | \r | |
297 | Image->NumberOfPages = EFI_SIZE_TO_PAGES (Size);\r | |
298 | \r | |
299 | //\r | |
300 | // If the image relocations have not been stripped, then load at any address.\r | |
301 | // Otherwise load at the address at which it was linked.\r | |
302 | //\r | |
303 | // Memory below 1MB should be treated reserved for CSM and there should be\r | |
304 | // no modules whose preferred load addresses are below 1MB.\r | |
305 | //\r | |
306 | Status = EFI_OUT_OF_RESOURCES;\r | |
307 | if (Image->ImageContext.ImageAddress >= 0x100000 || Image->ImageContext.RelocationsStripped) {\r | |
308 | Status = CoreAllocatePages (\r | |
309 | AllocateAddress,\r | |
310 | (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType),\r | |
311 | Image->NumberOfPages,\r | |
312 | &Image->ImageContext.ImageAddress\r | |
313 | );\r | |
314 | }\r | |
315 | if (EFI_ERROR (Status) && !Image->ImageContext.RelocationsStripped) {\r | |
316 | Status = CoreAllocatePages (\r | |
317 | AllocateAnyPages,\r | |
318 | (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType),\r | |
319 | Image->NumberOfPages,\r | |
320 | &Image->ImageContext.ImageAddress\r | |
321 | );\r | |
322 | }\r | |
323 | if (EFI_ERROR (Status)) {\r | |
324 | return Status;\r | |
325 | }\r | |
326 | DstBufAlocated = TRUE;\r | |
327 | } else {\r | |
328 | //\r | |
329 | // Caller provided the destination buffer\r | |
330 | //\r | |
331 | \r | |
332 | if (Image->ImageContext.RelocationsStripped && (Image->ImageContext.ImageAddress != DstBuffer)) {\r | |
333 | //\r | |
334 | // If the image relocations were stripped, and the caller provided a\r | |
335 | // destination buffer address that does not match the address that the\r | |
336 | // image is linked at, then the image cannot be loaded.\r | |
337 | //\r | |
338 | return EFI_INVALID_PARAMETER;\r | |
339 | }\r | |
340 | \r | |
341 | if (Image->NumberOfPages != 0 &&\r | |
342 | Image->NumberOfPages <\r | |
343 | (EFI_SIZE_TO_PAGES ((UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment))) {\r | |
344 | Image->NumberOfPages = EFI_SIZE_TO_PAGES ((UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment);\r | |
345 | return EFI_BUFFER_TOO_SMALL;\r | |
346 | }\r | |
347 | \r | |
348 | Image->NumberOfPages = EFI_SIZE_TO_PAGES ((UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment);\r | |
349 | Image->ImageContext.ImageAddress = DstBuffer;\r | |
350 | }\r | |
351 | \r | |
352 | Image->ImageBasePage = Image->ImageContext.ImageAddress;\r | |
1046284d LG |
353 | if (!Image->ImageContext.IsTeImage) {\r |
354 | Image->ImageContext.ImageAddress =\r | |
355 | (Image->ImageContext.ImageAddress + Image->ImageContext.SectionAlignment - 1) &\r | |
356 | ~((UINTN)Image->ImageContext.SectionAlignment - 1);\r | |
357 | }\r | |
28a00297 | 358 | \r |
359 | //\r | |
360 | // Load the image from the file into the allocated memory\r | |
361 | //\r | |
3d7b0992 | 362 | Status = PeCoffLoaderLoadImage (&Image->ImageContext);\r |
28a00297 | 363 | if (EFI_ERROR (Status)) {\r |
364 | goto Done;\r | |
365 | }\r | |
366 | \r | |
367 | //\r | |
368 | // If this is a Runtime Driver, then allocate memory for the FixupData that\r | |
369 | // is used to relocate the image when SetVirtualAddressMap() is called. The\r | |
370 | // relocation is done by the Runtime AP.\r | |
371 | //\r | |
71f68914 | 372 | if ((Attribute & EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION) != 0) {\r |
28a00297 | 373 | if (Image->ImageContext.ImageType == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER) {\r |
9c4ac31c | 374 | Image->ImageContext.FixupData = AllocateRuntimePool ((UINTN)(Image->ImageContext.FixupDataSize));\r |
28a00297 | 375 | if (Image->ImageContext.FixupData == NULL) {\r |
376 | Status = EFI_OUT_OF_RESOURCES;\r | |
377 | goto Done;\r | |
378 | }\r | |
379 | }\r | |
380 | }\r | |
381 | \r | |
382 | //\r | |
383 | // Relocate the image in memory\r | |
384 | //\r | |
3d7b0992 | 385 | Status = PeCoffLoaderRelocateImage (&Image->ImageContext);\r |
28a00297 | 386 | if (EFI_ERROR (Status)) {\r |
387 | goto Done;\r | |
388 | }\r | |
389 | \r | |
390 | //\r | |
391 | // Flush the Instruction Cache\r | |
392 | //\r | |
393 | InvalidateInstructionCacheRange ((VOID *)(UINTN)Image->ImageContext.ImageAddress, (UINTN)Image->ImageContext.ImageSize);\r | |
394 | \r | |
395 | //\r | |
396 | // Copy the machine type from the context to the image private data. This\r | |
397 | // is needed during image unload to know if we should call an EBC protocol\r | |
398 | // to unload the image.\r | |
399 | //\r | |
400 | Image->Machine = Image->ImageContext.Machine;\r | |
401 | \r | |
402 | //\r | |
403 | // Get the image entry point. If it's an EBC image, then call into the\r | |
404 | // interpreter to create a thunk for the entry point and use the returned\r | |
405 | // value for the entry point.\r | |
406 | //\r | |
407 | Image->EntryPoint = (EFI_IMAGE_ENTRY_POINT)(UINTN)Image->ImageContext.EntryPoint;\r | |
408 | if (Image->ImageContext.Machine == EFI_IMAGE_MACHINE_EBC) {\r | |
409 | //\r | |
410 | // Locate the EBC interpreter protocol\r | |
411 | //\r | |
412 | Status = CoreLocateProtocol (&gEfiEbcProtocolGuid, NULL, (VOID **)&Image->Ebc);\r | |
413 | if (EFI_ERROR(Status)) {\r | |
57d6f36d | 414 | DEBUG ((DEBUG_LOAD | DEBUG_ERROR, "CoreLoadPeImage: There is no EBC interpreter for an EBC image.\n"));\r |
28a00297 | 415 | goto Done;\r |
416 | }\r | |
417 | \r | |
418 | //\r | |
419 | // Register a callback for flushing the instruction cache so that created\r | |
420 | // thunks can be flushed.\r | |
421 | //\r | |
422 | Status = Image->Ebc->RegisterICacheFlush (Image->Ebc, (EBC_ICACHE_FLUSH)InvalidateInstructionCacheRange);\r | |
423 | if (EFI_ERROR(Status)) {\r | |
424 | goto Done;\r | |
425 | }\r | |
426 | \r | |
427 | //\r | |
428 | // Create a thunk for the image's entry point. This will be the new\r | |
429 | // entry point for the image.\r | |
430 | //\r | |
431 | Status = Image->Ebc->CreateThunk (\r | |
432 | Image->Ebc,\r | |
433 | Image->Handle,\r | |
e94a9ff7 | 434 | (VOID *)(UINTN) Image->ImageContext.EntryPoint,\r |
435 | (VOID **) &Image->EntryPoint\r | |
28a00297 | 436 | );\r |
437 | if (EFI_ERROR(Status)) {\r | |
438 | goto Done;\r | |
439 | }\r | |
440 | }\r | |
441 | \r | |
442 | //\r | |
443 | // Fill in the image information for the Loaded Image Protocol\r | |
444 | //\r | |
445 | Image->Type = Image->ImageContext.ImageType;\r | |
446 | Image->Info.ImageBase = (VOID *)(UINTN)Image->ImageContext.ImageAddress;\r | |
447 | Image->Info.ImageSize = Image->ImageContext.ImageSize;\r | |
448 | Image->Info.ImageCodeType = (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType);\r | |
449 | Image->Info.ImageDataType = (EFI_MEMORY_TYPE) (Image->ImageContext.ImageDataMemoryType);\r | |
71f68914 | 450 | if ((Attribute & EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION) != 0) {\r |
28a00297 | 451 | if (Image->ImageContext.ImageType == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER) {\r |
452 | //\r | |
453 | // Make a list off all the RT images so we can let the RT AP know about them.\r | |
454 | //\r | |
9c4ac31c | 455 | Image->RuntimeData = AllocateRuntimePool (sizeof(EFI_RUNTIME_IMAGE_ENTRY));\r |
28a00297 | 456 | if (Image->RuntimeData == NULL) {\r |
457 | goto Done;\r | |
458 | }\r | |
459 | Image->RuntimeData->ImageBase = Image->Info.ImageBase;\r | |
460 | Image->RuntimeData->ImageSize = (UINT64) (Image->Info.ImageSize);\r | |
461 | Image->RuntimeData->RelocationData = Image->ImageContext.FixupData;\r | |
462 | Image->RuntimeData->Handle = Image->Handle;\r | |
463 | InsertTailList (&gRuntime->ImageHead, &Image->RuntimeData->Link);\r | |
464 | }\r | |
465 | }\r | |
466 | \r | |
467 | //\r | |
468 | // Fill in the entry point of the image if it is available\r | |
469 | //\r | |
470 | if (EntryPoint != NULL) {\r | |
471 | *EntryPoint = Image->ImageContext.EntryPoint;\r | |
472 | }\r | |
473 | \r | |
474 | //\r | |
475 | // Print the load address and the PDB file name if it is available\r | |
476 | //\r | |
477 | \r | |
478 | DEBUG_CODE_BEGIN ();\r | |
479 | \r | |
480 | UINTN Index;\r | |
481 | UINTN StartIndex;\r | |
482 | CHAR8 EfiFileName[256];\r | |
57d6f36d | 483 | \r |
022c6d45 | 484 | \r |
e94a9ff7 | 485 | DEBUG ((DEBUG_INFO | DEBUG_LOAD,\r |
91136124 | 486 | "Loading driver at 0x%11p EntryPoint=0x%11p ",\r |
e94a9ff7 | 487 | (VOID *)(UINTN) Image->ImageContext.ImageAddress,\r |
4e2dd553 | 488 | FUNCTION_ENTRY_POINT (Image->ImageContext.EntryPoint)));\r |
022c6d45 | 489 | \r |
57d6f36d | 490 | \r |
e98cd821 | 491 | //\r |
57dfc48f | 492 | // Print Module Name by Pdb file path.\r |
493 | // Windows and Unix style file path are all trimmed correctly.\r | |
e98cd821 | 494 | //\r |
28a00297 | 495 | if (Image->ImageContext.PdbPointer != NULL) {\r |
496 | StartIndex = 0;\r | |
497 | for (Index = 0; Image->ImageContext.PdbPointer[Index] != 0; Index++) {\r | |
57dfc48f | 498 | if ((Image->ImageContext.PdbPointer[Index] == '\\') || (Image->ImageContext.PdbPointer[Index] == '/')) {\r |
28a00297 | 499 | StartIndex = Index + 1;\r |
500 | }\r | |
501 | }\r | |
502 | //\r | |
503 | // Copy the PDB file name to our temporary string, and replace .pdb with .efi\r | |
57dfc48f | 504 | // The PDB file name is limited in the range of 0~255.\r |
505 | // If the length is bigger than 255, trim the redudant characters to avoid overflow in array boundary.\r | |
28a00297 | 506 | //\r |
57dfc48f | 507 | for (Index = 0; Index < sizeof (EfiFileName) - 4; Index++) {\r |
28a00297 | 508 | EfiFileName[Index] = Image->ImageContext.PdbPointer[Index + StartIndex];\r |
509 | if (EfiFileName[Index] == 0) {\r | |
510 | EfiFileName[Index] = '.';\r | |
511 | }\r | |
512 | if (EfiFileName[Index] == '.') {\r | |
513 | EfiFileName[Index + 1] = 'e';\r | |
514 | EfiFileName[Index + 2] = 'f';\r | |
515 | EfiFileName[Index + 3] = 'i';\r | |
516 | EfiFileName[Index + 4] = 0;\r | |
517 | break;\r | |
518 | }\r | |
519 | }\r | |
57dfc48f | 520 | \r |
521 | if (Index == sizeof (EfiFileName) - 4) {\r | |
522 | EfiFileName[Index] = 0;\r | |
523 | }\r | |
162ed594 | 524 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "%a", EfiFileName)); // &Image->ImageContext.PdbPointer[StartIndex]));\r |
28a00297 | 525 | }\r |
162ed594 | 526 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "\n"));\r |
28a00297 | 527 | \r |
528 | DEBUG_CODE_END ();\r | |
529 | \r | |
530 | return EFI_SUCCESS;\r | |
531 | \r | |
532 | Done:\r | |
533 | \r | |
534 | //\r | |
535 | // Free memory.\r | |
536 | //\r | |
537 | \r | |
538 | if (DstBufAlocated) {\r | |
539 | CoreFreePages (Image->ImageContext.ImageAddress, Image->NumberOfPages);\r | |
540 | }\r | |
541 | \r | |
542 | if (Image->ImageContext.FixupData != NULL) {\r | |
543 | CoreFreePool (Image->ImageContext.FixupData);\r | |
544 | }\r | |
545 | \r | |
546 | return Status;\r | |
547 | }\r | |
548 | \r | |
549 | \r | |
28a00297 | 550 | \r |
162ed594 | 551 | /**\r |
28a00297 | 552 | Get the image's private data from its handle.\r |
553 | \r | |
57d6f36d | 554 | @param ImageHandle The image handle\r |
28a00297 | 555 | \r |
162ed594 | 556 | @return Return the image private data associated with ImageHandle.\r |
28a00297 | 557 | \r |
162ed594 | 558 | **/\r |
559 | LOADED_IMAGE_PRIVATE_DATA *\r | |
560 | CoreLoadedImageInfo (\r | |
561 | IN EFI_HANDLE ImageHandle\r | |
562 | )\r | |
28a00297 | 563 | {\r |
564 | EFI_STATUS Status;\r | |
565 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
566 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
567 | \r | |
568 | Status = CoreHandleProtocol (\r | |
569 | ImageHandle,\r | |
570 | &gEfiLoadedImageProtocolGuid,\r | |
571 | (VOID **)&LoadedImage\r | |
572 | );\r | |
573 | if (!EFI_ERROR (Status)) {\r | |
574 | Image = LOADED_IMAGE_PRIVATE_DATA_FROM_THIS (LoadedImage);\r | |
575 | } else {\r | |
e94a9ff7 | 576 | DEBUG ((DEBUG_LOAD, "CoreLoadedImageInfo: Not an ImageHandle %p\n", ImageHandle));\r |
28a00297 | 577 | Image = NULL;\r |
578 | }\r | |
579 | \r | |
580 | return Image;\r | |
581 | }\r | |
582 | \r | |
162ed594 | 583 | \r |
c0a23f8c | 584 | /**\r |
585 | Unloads EFI image from memory.\r | |
586 | \r | |
587 | @param Image EFI image\r | |
588 | @param FreePage Free allocated pages\r | |
589 | \r | |
590 | **/\r | |
591 | VOID\r | |
592 | CoreUnloadAndCloseImage (\r | |
593 | IN LOADED_IMAGE_PRIVATE_DATA *Image,\r | |
594 | IN BOOLEAN FreePage\r | |
595 | )\r | |
596 | {\r | |
597 | EFI_STATUS Status;\r | |
598 | UINTN HandleCount;\r | |
599 | EFI_HANDLE *HandleBuffer;\r | |
600 | UINTN HandleIndex;\r | |
601 | EFI_GUID **ProtocolGuidArray;\r | |
602 | UINTN ArrayCount;\r | |
603 | UINTN ProtocolIndex;\r | |
604 | EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfo;\r | |
605 | UINTN OpenInfoCount;\r | |
606 | UINTN OpenInfoIndex;\r | |
607 | \r | |
608 | if (Image->Ebc != NULL) {\r | |
609 | //\r | |
610 | // If EBC protocol exists we must perform cleanups for this image.\r | |
611 | //\r | |
612 | Image->Ebc->UnloadImage (Image->Ebc, Image->Handle);\r | |
613 | }\r | |
614 | \r | |
615 | //\r | |
616 | // Unload image, free Image->ImageContext->ModHandle\r | |
617 | //\r | |
618 | PeCoffLoaderUnloadImage (&Image->ImageContext);\r | |
619 | \r | |
620 | //\r | |
621 | // Free our references to the image handle\r | |
622 | //\r | |
623 | if (Image->Handle != NULL) {\r | |
624 | \r | |
625 | Status = CoreLocateHandleBuffer (\r | |
626 | AllHandles,\r | |
627 | NULL,\r | |
628 | NULL,\r | |
629 | &HandleCount,\r | |
630 | &HandleBuffer\r | |
631 | );\r | |
632 | if (!EFI_ERROR (Status)) {\r | |
633 | for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {\r | |
634 | Status = CoreProtocolsPerHandle (\r | |
635 | HandleBuffer[HandleIndex],\r | |
636 | &ProtocolGuidArray,\r | |
637 | &ArrayCount\r | |
638 | );\r | |
639 | if (!EFI_ERROR (Status)) {\r | |
640 | for (ProtocolIndex = 0; ProtocolIndex < ArrayCount; ProtocolIndex++) {\r | |
641 | Status = CoreOpenProtocolInformation (\r | |
642 | HandleBuffer[HandleIndex],\r | |
643 | ProtocolGuidArray[ProtocolIndex],\r | |
644 | &OpenInfo,\r | |
645 | &OpenInfoCount\r | |
646 | );\r | |
647 | if (!EFI_ERROR (Status)) {\r | |
648 | for (OpenInfoIndex = 0; OpenInfoIndex < OpenInfoCount; OpenInfoIndex++) {\r | |
649 | if (OpenInfo[OpenInfoIndex].AgentHandle == Image->Handle) {\r | |
650 | Status = CoreCloseProtocol (\r | |
651 | HandleBuffer[HandleIndex],\r | |
652 | ProtocolGuidArray[ProtocolIndex],\r | |
653 | Image->Handle,\r | |
654 | OpenInfo[OpenInfoIndex].ControllerHandle\r | |
655 | );\r | |
656 | }\r | |
657 | }\r | |
658 | if (OpenInfo != NULL) {\r | |
659 | CoreFreePool(OpenInfo);\r | |
660 | }\r | |
661 | }\r | |
662 | }\r | |
663 | if (ProtocolGuidArray != NULL) {\r | |
664 | CoreFreePool(ProtocolGuidArray);\r | |
665 | }\r | |
666 | }\r | |
667 | }\r | |
668 | if (HandleBuffer != NULL) {\r | |
669 | CoreFreePool (HandleBuffer);\r | |
670 | }\r | |
671 | }\r | |
672 | \r | |
673 | CoreRemoveDebugImageInfoEntry (Image->Handle);\r | |
674 | \r | |
675 | Status = CoreUninstallProtocolInterface (\r | |
676 | Image->Handle,\r | |
677 | &gEfiLoadedImageDevicePathProtocolGuid,\r | |
678 | Image->LoadedImageDevicePath\r | |
679 | );\r | |
680 | \r | |
681 | Status = CoreUninstallProtocolInterface (\r | |
682 | Image->Handle,\r | |
683 | &gEfiLoadedImageProtocolGuid,\r | |
684 | &Image->Info\r | |
685 | );\r | |
686 | \r | |
7547649f | 687 | if (Image->ImageContext.HiiResourceData != 0) {\r |
688 | Status = CoreUninstallProtocolInterface (\r | |
689 | Image->Handle,\r | |
690 | &gEfiHiiPackageListProtocolGuid,\r | |
691 | (VOID *) (UINTN) Image->ImageContext.HiiResourceData\r | |
692 | );\r | |
693 | }\r | |
694 | \r | |
c0a23f8c | 695 | }\r |
696 | \r | |
697 | if (Image->RuntimeData != NULL) {\r | |
698 | if (Image->RuntimeData->Link.ForwardLink != NULL) {\r | |
699 | //\r | |
700 | // Remove the Image from the Runtime Image list as we are about to Free it!\r | |
701 | //\r | |
702 | RemoveEntryList (&Image->RuntimeData->Link);\r | |
703 | }\r | |
704 | CoreFreePool (Image->RuntimeData);\r | |
705 | }\r | |
706 | \r | |
707 | //\r | |
708 | // Free the Image from memory\r | |
709 | //\r | |
710 | if ((Image->ImageBasePage != 0) && FreePage) {\r | |
711 | CoreFreePages (Image->ImageBasePage, Image->NumberOfPages);\r | |
712 | }\r | |
713 | \r | |
714 | //\r | |
715 | // Done with the Image structure\r | |
716 | //\r | |
717 | if (Image->Info.FilePath != NULL) {\r | |
718 | CoreFreePool (Image->Info.FilePath);\r | |
719 | }\r | |
720 | \r | |
721 | if (Image->LoadedImageDevicePath != NULL) {\r | |
722 | CoreFreePool (Image->LoadedImageDevicePath);\r | |
723 | }\r | |
724 | \r | |
725 | if (Image->FixupData != NULL) {\r | |
726 | CoreFreePool (Image->FixupData);\r | |
727 | }\r | |
728 | \r | |
729 | CoreFreePool (Image);\r | |
730 | }\r | |
731 | \r | |
732 | \r | |
162ed594 | 733 | /**\r |
734 | Loads an EFI image into memory and returns a handle to the image.\r | |
735 | \r | |
57d6f36d | 736 | @param BootPolicy If TRUE, indicates that the request originates\r |
737 | from the boot manager, and that the boot\r | |
738 | manager is attempting to load FilePath as a\r | |
739 | boot selection.\r | |
740 | @param ParentImageHandle The caller's image handle.\r | |
741 | @param FilePath The specific file path from which the image is\r | |
742 | loaded.\r | |
743 | @param SourceBuffer If not NULL, a pointer to the memory location\r | |
744 | containing a copy of the image to be loaded.\r | |
745 | @param SourceSize The size in bytes of SourceBuffer.\r | |
746 | @param DstBuffer The buffer to store the image\r | |
747 | @param NumberOfPages If not NULL, it inputs a pointer to the page\r | |
748 | number of DstBuffer and outputs a pointer to\r | |
749 | the page number of the image. If this number is\r | |
750 | not enough, return EFI_BUFFER_TOO_SMALL and\r | |
751 | this parameter contains the required number.\r | |
752 | @param ImageHandle Pointer to the returned image handle that is\r | |
753 | created when the image is successfully loaded.\r | |
754 | @param EntryPoint A pointer to the entry point\r | |
755 | @param Attribute The bit mask of attributes to set for the load\r | |
756 | PE image\r | |
757 | \r | |
758 | @retval EFI_SUCCESS The image was loaded into memory.\r | |
759 | @retval EFI_NOT_FOUND The FilePath was not found.\r | |
760 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r | |
761 | @retval EFI_BUFFER_TOO_SMALL The buffer is too small\r | |
762 | @retval EFI_UNSUPPORTED The image type is not supported, or the device\r | |
763 | path cannot be parsed to locate the proper\r | |
764 | protocol for loading the file.\r | |
765 | @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient\r | |
162ed594 | 766 | resources.\r |
767 | \r | |
768 | **/\r | |
28a00297 | 769 | EFI_STATUS\r |
770 | CoreLoadImageCommon (\r | |
771 | IN BOOLEAN BootPolicy,\r | |
772 | IN EFI_HANDLE ParentImageHandle,\r | |
773 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
774 | IN VOID *SourceBuffer OPTIONAL,\r | |
775 | IN UINTN SourceSize,\r | |
776 | IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,\r | |
777 | IN OUT UINTN *NumberOfPages OPTIONAL,\r | |
778 | OUT EFI_HANDLE *ImageHandle,\r | |
779 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,\r | |
780 | IN UINT32 Attribute\r | |
781 | )\r | |
28a00297 | 782 | {\r |
783 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
784 | LOADED_IMAGE_PRIVATE_DATA *ParentImage;\r | |
785 | IMAGE_FILE_HANDLE FHand;\r | |
786 | EFI_STATUS Status;\r | |
787 | EFI_STATUS SecurityStatus;\r | |
788 | EFI_HANDLE DeviceHandle;\r | |
789 | UINT32 AuthenticationStatus;\r | |
790 | EFI_DEVICE_PATH_PROTOCOL *OriginalFilePath;\r | |
791 | EFI_DEVICE_PATH_PROTOCOL *HandleFilePath;\r | |
792 | UINTN FilePathSize;\r | |
793 | \r | |
794 | SecurityStatus = EFI_SUCCESS;\r | |
795 | \r | |
796 | ASSERT (gEfiCurrentTpl < TPL_NOTIFY);\r | |
797 | ParentImage = NULL;\r | |
798 | \r | |
799 | //\r | |
800 | // The caller must pass in a valid ParentImageHandle\r | |
801 | //\r | |
802 | if (ImageHandle == NULL || ParentImageHandle == NULL) {\r | |
803 | return EFI_INVALID_PARAMETER;\r | |
804 | }\r | |
805 | \r | |
806 | ParentImage = CoreLoadedImageInfo (ParentImageHandle);\r | |
807 | if (ParentImage == NULL) {\r | |
162ed594 | 808 | DEBUG((DEBUG_LOAD|DEBUG_ERROR, "LoadImageEx: Parent handle not an image handle\n"));\r |
28a00297 | 809 | return EFI_INVALID_PARAMETER;\r |
810 | }\r | |
811 | \r | |
7748df3d LG |
812 | ZeroMem (&FHand, sizeof (IMAGE_FILE_HANDLE));\r |
813 | FHand.Signature = IMAGE_FILE_HANDLE_SIGNATURE;\r | |
28a00297 | 814 | OriginalFilePath = FilePath;\r |
7748df3d LG |
815 | HandleFilePath = FilePath;\r |
816 | DeviceHandle = NULL;\r | |
817 | Status = EFI_SUCCESS;\r | |
818 | AuthenticationStatus = 0;\r | |
819 | //\r | |
820 | // If the caller passed a copy of the file, then just use it\r | |
821 | //\r | |
822 | if (SourceBuffer != NULL) {\r | |
823 | FHand.Source = SourceBuffer;\r | |
824 | FHand.SourceSize = SourceSize;\r | |
825 | CoreLocateDevicePath (&gEfiDevicePathProtocolGuid, &HandleFilePath, &DeviceHandle);\r | |
826 | if (SourceSize > 0) {\r | |
827 | Status = EFI_SUCCESS;\r | |
828 | } else {\r | |
829 | Status = EFI_LOAD_ERROR;\r | |
830 | }\r | |
831 | } else {\r | |
832 | if (FilePath == NULL) {\r | |
833 | return EFI_INVALID_PARAMETER;\r | |
834 | }\r | |
835 | //\r | |
836 | // Get the source file buffer by its device path.\r | |
837 | //\r | |
838 | FHand.Source = GetFileBufferByFilePath (\r | |
839 | BootPolicy, \r | |
840 | FilePath,\r | |
841 | &FHand.SourceSize,\r | |
842 | &AuthenticationStatus\r | |
843 | );\r | |
844 | if (FHand.Source == NULL) {\r | |
845 | Status = EFI_LOAD_ERROR;\r | |
846 | } else {\r | |
847 | //\r | |
848 | // Try to get the image device handle by checking the match protocol.\r | |
849 | //\r | |
850 | FHand.FreeBuffer = TRUE;\r | |
851 | Status = CoreLocateDevicePath (&gEfiFirmwareVolume2ProtocolGuid, &HandleFilePath, &DeviceHandle);\r | |
852 | if (EFI_ERROR (Status)) {\r | |
853 | HandleFilePath = FilePath;\r | |
854 | Status = CoreLocateDevicePath (&gEfiSimpleFileSystemProtocolGuid, &HandleFilePath, &DeviceHandle);\r | |
855 | if (EFI_ERROR (Status)) {\r | |
856 | if (!BootPolicy) {\r | |
857 | HandleFilePath = FilePath;\r | |
858 | Status = CoreLocateDevicePath (&gEfiLoadFile2ProtocolGuid, &HandleFilePath, &DeviceHandle);\r | |
859 | }\r | |
860 | if (EFI_ERROR (Status)) {\r | |
861 | HandleFilePath = FilePath;\r | |
862 | Status = CoreLocateDevicePath (&gEfiLoadFileProtocolGuid, &HandleFilePath, &DeviceHandle);\r | |
863 | }\r | |
864 | }\r | |
865 | }\r | |
866 | }\r | |
867 | }\r | |
868 | \r | |
28a00297 | 869 | if (Status == EFI_ALREADY_STARTED) {\r |
870 | Image = NULL;\r | |
871 | goto Done;\r | |
872 | } else if (EFI_ERROR (Status)) {\r | |
873 | return Status;\r | |
874 | }\r | |
875 | \r | |
876 | //\r | |
877 | // Verify the Authentication Status through the Security Architectural Protocol\r | |
878 | //\r | |
879 | if ((gSecurity != NULL) && (OriginalFilePath != NULL)) {\r | |
880 | SecurityStatus = gSecurity->FileAuthenticationState (\r | |
881 | gSecurity,\r | |
882 | AuthenticationStatus,\r | |
883 | OriginalFilePath\r | |
884 | );\r | |
885 | if (EFI_ERROR (SecurityStatus) && SecurityStatus != EFI_SECURITY_VIOLATION) {\r | |
886 | Status = SecurityStatus;\r | |
887 | Image = NULL;\r | |
888 | goto Done;\r | |
889 | }\r | |
890 | }\r | |
891 | \r | |
892 | \r | |
893 | //\r | |
894 | // Allocate a new image structure\r | |
895 | //\r | |
9c4ac31c | 896 | Image = AllocateZeroPool (sizeof(LOADED_IMAGE_PRIVATE_DATA));\r |
28a00297 | 897 | if (Image == NULL) {\r |
898 | return EFI_OUT_OF_RESOURCES;\r | |
899 | }\r | |
900 | \r | |
901 | //\r | |
902 | // Pull out just the file portion of the DevicePath for the LoadedImage FilePath\r | |
903 | //\r | |
cfe9de52 | 904 | FilePath = OriginalFilePath;\r |
28a00297 | 905 | Status = CoreHandleProtocol (DeviceHandle, &gEfiDevicePathProtocolGuid, (VOID **)&HandleFilePath);\r |
906 | if (!EFI_ERROR (Status)) {\r | |
9c4ac31c | 907 | FilePathSize = GetDevicePathSize (HandleFilePath) - sizeof(EFI_DEVICE_PATH_PROTOCOL);\r |
e94a9ff7 | 908 | FilePath = (EFI_DEVICE_PATH_PROTOCOL *) (((UINT8 *)FilePath) + FilePathSize );\r |
28a00297 | 909 | }\r |
910 | \r | |
911 | //\r | |
912 | // Initialize the fields for an internal driver\r | |
913 | //\r | |
914 | Image->Signature = LOADED_IMAGE_PRIVATE_DATA_SIGNATURE;\r | |
915 | Image->Info.SystemTable = gDxeCoreST;\r | |
916 | Image->Info.DeviceHandle = DeviceHandle;\r | |
162ed594 | 917 | Image->Info.Revision = EFI_LOADED_IMAGE_PROTOCOL_REVISION;\r |
9c4ac31c | 918 | Image->Info.FilePath = DuplicateDevicePath (FilePath);\r |
28a00297 | 919 | Image->Info.ParentHandle = ParentImageHandle;\r |
920 | \r | |
85658066 | 921 | \r |
28a00297 | 922 | if (NumberOfPages != NULL) {\r |
923 | Image->NumberOfPages = *NumberOfPages ;\r | |
924 | } else {\r | |
925 | Image->NumberOfPages = 0 ;\r | |
926 | }\r | |
927 | \r | |
928 | //\r | |
929 | // Install the protocol interfaces for this image\r | |
930 | // don't fire notifications yet\r | |
931 | //\r | |
932 | Status = CoreInstallProtocolInterfaceNotify (\r | |
933 | &Image->Handle,\r | |
934 | &gEfiLoadedImageProtocolGuid,\r | |
935 | EFI_NATIVE_INTERFACE,\r | |
936 | &Image->Info,\r | |
937 | FALSE\r | |
938 | );\r | |
939 | if (EFI_ERROR (Status)) {\r | |
940 | goto Done;\r | |
941 | }\r | |
942 | \r | |
943 | //\r | |
944 | // Load the image. If EntryPoint is Null, it will not be set.\r | |
945 | //\r | |
822360ee | 946 | Status = CoreLoadPeImage (BootPolicy, &FHand, Image, DstBuffer, EntryPoint, Attribute);\r |
28a00297 | 947 | if (EFI_ERROR (Status)) {\r |
948 | if ((Status == EFI_BUFFER_TOO_SMALL) || (Status == EFI_OUT_OF_RESOURCES)) {\r | |
949 | if (NumberOfPages != NULL) {\r | |
950 | *NumberOfPages = Image->NumberOfPages;\r | |
951 | }\r | |
952 | }\r | |
953 | goto Done;\r | |
954 | }\r | |
955 | \r | |
152af594 | 956 | if (NumberOfPages != NULL) {\r |
957 | *NumberOfPages = Image->NumberOfPages;\r | |
57d6f36d | 958 | }\r |
152af594 | 959 | \r |
28a00297 | 960 | //\r |
961 | // Register the image in the Debug Image Info Table if the attribute is set\r | |
962 | //\r | |
71f68914 | 963 | if ((Attribute & EFI_LOAD_PE_IMAGE_ATTRIBUTE_DEBUG_IMAGE_INFO_TABLE_REGISTRATION) != 0) {\r |
28a00297 | 964 | CoreNewDebugImageInfoEntry (EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL, &Image->Info, Image->Handle);\r |
965 | }\r | |
966 | \r | |
967 | //\r | |
968 | //Reinstall loaded image protocol to fire any notifications\r | |
969 | //\r | |
970 | Status = CoreReinstallProtocolInterface (\r | |
971 | Image->Handle,\r | |
972 | &gEfiLoadedImageProtocolGuid,\r | |
973 | &Image->Info,\r | |
974 | &Image->Info\r | |
975 | );\r | |
976 | if (EFI_ERROR (Status)) {\r | |
977 | goto Done;\r | |
978 | }\r | |
979 | \r | |
ba39e316 | 980 | //\r |
981 | // If DevicePath parameter to the LoadImage() is not NULL, then make a copy of DevicePath,\r | |
982 | // otherwise Loaded Image Device Path Protocol is installed with a NULL interface pointer.\r | |
983 | //\r | |
984 | if (OriginalFilePath != NULL) {\r | |
9c4ac31c | 985 | Image->LoadedImageDevicePath = DuplicateDevicePath (OriginalFilePath);\r |
ba39e316 | 986 | }\r |
987 | \r | |
988 | //\r | |
989 | // Install Loaded Image Device Path Protocol onto the image handle of a PE/COFE image\r | |
990 | //\r | |
991 | Status = CoreInstallProtocolInterface (\r | |
992 | &Image->Handle,\r | |
993 | &gEfiLoadedImageDevicePathProtocolGuid,\r | |
994 | EFI_NATIVE_INTERFACE,\r | |
995 | Image->LoadedImageDevicePath\r | |
996 | );\r | |
997 | if (EFI_ERROR (Status)) {\r | |
998 | goto Done;\r | |
999 | }\r | |
28a00297 | 1000 | \r |
7547649f | 1001 | //\r |
1002 | // Install HII Package List Protocol onto the image handle\r | |
1003 | //\r | |
1004 | if (Image->ImageContext.HiiResourceData != 0) {\r | |
1005 | Status = CoreInstallProtocolInterface (\r | |
1006 | &Image->Handle,\r | |
1007 | &gEfiHiiPackageListProtocolGuid,\r | |
1008 | EFI_NATIVE_INTERFACE,\r | |
1009 | (VOID *) (UINTN) Image->ImageContext.HiiResourceData\r | |
1010 | );\r | |
1011 | if (EFI_ERROR (Status)) {\r | |
1012 | goto Done;\r | |
1013 | }\r | |
1014 | }\r | |
1015 | \r | |
28a00297 | 1016 | //\r |
1017 | // Success. Return the image handle\r | |
1018 | //\r | |
1019 | *ImageHandle = Image->Handle;\r | |
1020 | \r | |
1021 | Done:\r | |
1022 | //\r | |
1023 | // All done accessing the source file\r | |
1024 | // If we allocated the Source buffer, free it\r | |
1025 | //\r | |
1026 | if (FHand.FreeBuffer) {\r | |
1027 | CoreFreePool (FHand.Source);\r | |
1028 | }\r | |
1029 | \r | |
1030 | //\r | |
1031 | // There was an error. If there's an Image structure, free it\r | |
1032 | //\r | |
1033 | if (EFI_ERROR (Status)) {\r | |
1034 | if (Image != NULL) {\r | |
1035 | CoreUnloadAndCloseImage (Image, (BOOLEAN)(DstBuffer == 0));\r | |
1036 | *ImageHandle = NULL;\r | |
1037 | }\r | |
1038 | } else if (EFI_ERROR (SecurityStatus)) {\r | |
1039 | Status = SecurityStatus;\r | |
1040 | }\r | |
1041 | \r | |
1042 | return Status;\r | |
1043 | }\r | |
1044 | \r | |
1045 | \r | |
1046 | \r | |
162ed594 | 1047 | \r |
1048 | /**\r | |
1049 | Loads an EFI image into memory and returns a handle to the image.\r | |
1050 | \r | |
57d6f36d | 1051 | @param BootPolicy If TRUE, indicates that the request originates\r |
1052 | from the boot manager, and that the boot\r | |
1053 | manager is attempting to load FilePath as a\r | |
1054 | boot selection.\r | |
1055 | @param ParentImageHandle The caller's image handle.\r | |
1056 | @param FilePath The specific file path from which the image is\r | |
1057 | loaded.\r | |
1058 | @param SourceBuffer If not NULL, a pointer to the memory location\r | |
1059 | containing a copy of the image to be loaded.\r | |
1060 | @param SourceSize The size in bytes of SourceBuffer.\r | |
1061 | @param ImageHandle Pointer to the returned image handle that is\r | |
1062 | created when the image is successfully loaded.\r | |
1063 | \r | |
1064 | @retval EFI_SUCCESS The image was loaded into memory.\r | |
1065 | @retval EFI_NOT_FOUND The FilePath was not found.\r | |
1066 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r | |
1067 | @retval EFI_UNSUPPORTED The image type is not supported, or the device\r | |
1068 | path cannot be parsed to locate the proper\r | |
1069 | protocol for loading the file.\r | |
1070 | @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient\r | |
162ed594 | 1071 | resources.\r |
1072 | \r | |
1073 | **/\r | |
28a00297 | 1074 | EFI_STATUS\r |
1075 | EFIAPI\r | |
1076 | CoreLoadImage (\r | |
1077 | IN BOOLEAN BootPolicy,\r | |
1078 | IN EFI_HANDLE ParentImageHandle,\r | |
1079 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
1080 | IN VOID *SourceBuffer OPTIONAL,\r | |
1081 | IN UINTN SourceSize,\r | |
1082 | OUT EFI_HANDLE *ImageHandle\r | |
1083 | )\r | |
28a00297 | 1084 | {\r |
1085 | EFI_STATUS Status;\r | |
7cff25d6 | 1086 | UINT64 Tick;\r |
28a00297 | 1087 | \r |
7cff25d6 | 1088 | Tick = 0;\r |
1089 | PERF_CODE (\r | |
1090 | Tick = GetPerformanceCounter ();\r | |
1091 | );\r | |
28a00297 | 1092 | \r |
1093 | Status = CoreLoadImageCommon (\r | |
1094 | BootPolicy,\r | |
1095 | ParentImageHandle,\r | |
1096 | FilePath,\r | |
1097 | SourceBuffer,\r | |
1098 | SourceSize,\r | |
1be0dda6 | 1099 | (EFI_PHYSICAL_ADDRESS) (UINTN) NULL,\r |
28a00297 | 1100 | NULL,\r |
1101 | ImageHandle,\r | |
1102 | NULL,\r | |
1103 | EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION | EFI_LOAD_PE_IMAGE_ATTRIBUTE_DEBUG_IMAGE_INFO_TABLE_REGISTRATION\r | |
1104 | );\r | |
1105 | \r | |
bc6b5892 | 1106 | PERF_START (*ImageHandle, "LoadImage:", NULL, Tick);\r |
1107 | PERF_END (*ImageHandle, "LoadImage:", NULL, 0);\r | |
28a00297 | 1108 | \r |
1109 | return Status;\r | |
1110 | }\r | |
1111 | \r | |
1112 | \r | |
023c0fec | 1113 | \r |
1114 | /**\r | |
1115 | Loads an EFI image into memory and returns a handle to the image with extended parameters.\r | |
1116 | \r | |
1117 | @param This Calling context\r | |
1118 | @param ParentImageHandle The caller's image handle.\r | |
1119 | @param FilePath The specific file path from which the image is\r | |
1120 | loaded.\r | |
1121 | @param SourceBuffer If not NULL, a pointer to the memory location\r | |
1122 | containing a copy of the image to be loaded.\r | |
1123 | @param SourceSize The size in bytes of SourceBuffer.\r | |
1124 | @param DstBuffer The buffer to store the image.\r | |
1125 | @param NumberOfPages For input, specifies the space size of the\r | |
1126 | image by caller if not NULL. For output,\r | |
1127 | specifies the actual space size needed.\r | |
1128 | @param ImageHandle Image handle for output.\r | |
1129 | @param EntryPoint Image entry point for output.\r | |
1130 | @param Attribute The bit mask of attributes to set for the load\r | |
1131 | PE image.\r | |
1132 | \r | |
1133 | @retval EFI_SUCCESS The image was loaded into memory.\r | |
1134 | @retval EFI_NOT_FOUND The FilePath was not found.\r | |
1135 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r | |
1136 | @retval EFI_UNSUPPORTED The image type is not supported, or the device\r | |
1137 | path cannot be parsed to locate the proper\r | |
1138 | protocol for loading the file.\r | |
1139 | @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient\r | |
1140 | resources.\r | |
1141 | \r | |
1142 | **/\r | |
1143 | EFI_STATUS\r | |
1144 | EFIAPI\r | |
1145 | CoreLoadImageEx (\r | |
1146 | IN EFI_PE32_IMAGE_PROTOCOL *This,\r | |
1147 | IN EFI_HANDLE ParentImageHandle,\r | |
1148 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
1149 | IN VOID *SourceBuffer OPTIONAL,\r | |
1150 | IN UINTN SourceSize,\r | |
1151 | IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,\r | |
1152 | OUT UINTN *NumberOfPages OPTIONAL,\r | |
1153 | OUT EFI_HANDLE *ImageHandle,\r | |
1154 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,\r | |
1155 | IN UINT32 Attribute\r | |
1156 | )\r | |
1157 | {\r | |
1158 | return CoreLoadImageCommon (\r | |
1159 | TRUE,\r | |
1160 | ParentImageHandle,\r | |
1161 | FilePath,\r | |
1162 | SourceBuffer,\r | |
1163 | SourceSize,\r | |
1164 | DstBuffer,\r | |
1165 | NumberOfPages,\r | |
1166 | ImageHandle,\r | |
1167 | EntryPoint,\r | |
1168 | Attribute\r | |
1169 | );\r | |
1170 | }\r | |
1171 | \r | |
1172 | \r | |
162ed594 | 1173 | /**\r |
1174 | Transfer control to a loaded image's entry point.\r | |
1175 | \r | |
57d6f36d | 1176 | @param ImageHandle Handle of image to be started.\r |
1177 | @param ExitDataSize Pointer of the size to ExitData\r | |
1178 | @param ExitData Pointer to a pointer to a data buffer that\r | |
1179 | includes a Null-terminated Unicode string,\r | |
1180 | optionally followed by additional binary data.\r | |
1181 | The string is a description that the caller may\r | |
1182 | use to further indicate the reason for the\r | |
1183 | image's exit.\r | |
1184 | \r | |
1185 | @retval EFI_INVALID_PARAMETER Invalid parameter\r | |
1186 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
1187 | @retval EFI_SUCCESS Successfully transfer control to the image's\r | |
162ed594 | 1188 | entry point.\r |
1189 | \r | |
1190 | **/\r | |
28a00297 | 1191 | EFI_STATUS\r |
1192 | EFIAPI\r | |
1193 | CoreStartImage (\r | |
1194 | IN EFI_HANDLE ImageHandle,\r | |
1195 | OUT UINTN *ExitDataSize,\r | |
1196 | OUT CHAR16 **ExitData OPTIONAL\r | |
1197 | )\r | |
28a00297 | 1198 | {\r |
1199 | EFI_STATUS Status;\r | |
1200 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
1201 | LOADED_IMAGE_PRIVATE_DATA *LastImage;\r | |
1202 | UINT64 HandleDatabaseKey;\r | |
1203 | UINTN SetJumpFlag;\r | |
1204 | \r | |
1205 | Image = CoreLoadedImageInfo (ImageHandle);\r | |
4008328a | 1206 | if (Image == NULL || Image->Started) {\r |
28a00297 | 1207 | return EFI_INVALID_PARAMETER;\r |
1208 | }\r | |
1209 | \r | |
db0b7ad5 LG |
1210 | //\r |
1211 | // The image to be started must have the machine type supported by DxeCore.\r | |
1212 | //\r | |
1213 | ASSERT (EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Image->Machine));\r | |
919df8e6 | 1214 | if (!EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Image->Machine)) {\r |
919df8e6 LG |
1215 | return EFI_UNSUPPORTED;\r |
1216 | }\r | |
1217 | \r | |
28a00297 | 1218 | //\r |
1219 | // Don't profile Objects or invalid start requests\r | |
1220 | //\r | |
bc6b5892 | 1221 | PERF_START (ImageHandle, "StartImage:", NULL, 0);\r |
28a00297 | 1222 | \r |
1223 | \r | |
1224 | //\r | |
1225 | // Push the current start image context, and\r | |
1226 | // link the current image to the head. This is the\r | |
1227 | // only image that can call Exit()\r | |
1228 | //\r | |
1229 | HandleDatabaseKey = CoreGetHandleDatabaseKey ();\r | |
1230 | LastImage = mCurrentImage;\r | |
1231 | mCurrentImage = Image;\r | |
1232 | Image->Tpl = gEfiCurrentTpl;\r | |
1233 | \r | |
1234 | //\r | |
1235 | // Set long jump for Exit() support\r | |
1236 | // JumpContext must be aligned on a CPU specific boundary.\r | |
1237 | // Overallocate the buffer and force the required alignment\r | |
1238 | //\r | |
9c4ac31c | 1239 | Image->JumpBuffer = AllocatePool (sizeof (BASE_LIBRARY_JUMP_BUFFER) + BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT);\r |
28a00297 | 1240 | if (Image->JumpBuffer == NULL) {\r |
bc6b5892 | 1241 | PERF_END (ImageHandle, "StartImage:", NULL, 0);\r |
28a00297 | 1242 | return EFI_OUT_OF_RESOURCES;\r |
1243 | }\r | |
1244 | Image->JumpContext = ALIGN_POINTER (Image->JumpBuffer, BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT);\r | |
1245 | \r | |
1246 | SetJumpFlag = SetJump (Image->JumpContext);\r | |
1247 | //\r | |
1248 | // The initial call to SetJump() must always return 0.\r | |
1249 | // Subsequent calls to LongJump() cause a non-zero value to be returned by SetJump().\r | |
1250 | //\r | |
71f68914 | 1251 | if (SetJumpFlag == 0) {\r |
28a00297 | 1252 | //\r |
1253 | // Call the image's entry point\r | |
1254 | //\r | |
1255 | Image->Started = TRUE;\r | |
1256 | Image->Status = Image->EntryPoint (ImageHandle, Image->Info.SystemTable);\r | |
1257 | \r | |
1258 | //\r | |
1259 | // Add some debug information if the image returned with error.\r | |
1260 | // This make the user aware and check if the driver image have already released\r | |
1261 | // all the resource in this situation.\r | |
1262 | //\r | |
1263 | DEBUG_CODE_BEGIN ();\r | |
1264 | if (EFI_ERROR (Image->Status)) {\r | |
91136124 | 1265 | DEBUG ((DEBUG_ERROR, "Error: Image at %11p start failed: %r\n", Image->Info.ImageBase, Image->Status));\r |
28a00297 | 1266 | }\r |
1267 | DEBUG_CODE_END ();\r | |
1268 | \r | |
1269 | //\r | |
1270 | // If the image returns, exit it through Exit()\r | |
1271 | //\r | |
1272 | CoreExit (ImageHandle, Image->Status, 0, NULL);\r | |
1273 | }\r | |
1274 | \r | |
1275 | //\r | |
1276 | // Image has completed. Verify the tpl is the same\r | |
1277 | //\r | |
1278 | ASSERT (Image->Tpl == gEfiCurrentTpl);\r | |
1279 | CoreRestoreTpl (Image->Tpl);\r | |
1280 | \r | |
1281 | CoreFreePool (Image->JumpBuffer);\r | |
1282 | \r | |
1283 | //\r | |
1284 | // Pop the current start image context\r | |
1285 | //\r | |
1286 | mCurrentImage = LastImage;\r | |
1287 | \r | |
1288 | //\r | |
1289 | // Go connect any handles that were created or modified while the image executed.\r | |
1290 | //\r | |
1291 | CoreConnectHandlesByKey (HandleDatabaseKey);\r | |
1292 | \r | |
1293 | //\r | |
1294 | // Handle the image's returned ExitData\r | |
1295 | //\r | |
1296 | DEBUG_CODE_BEGIN ();\r | |
1297 | if (Image->ExitDataSize != 0 || Image->ExitData != NULL) {\r | |
1298 | \r | |
7df7393f | 1299 | DEBUG ((DEBUG_LOAD, "StartImage: ExitDataSize %d, ExitData %p", (UINT32)Image->ExitDataSize, Image->ExitData));\r |
28a00297 | 1300 | if (Image->ExitData != NULL) {\r |
162ed594 | 1301 | DEBUG ((DEBUG_LOAD, " (%hs)", Image->ExitData));\r |
28a00297 | 1302 | }\r |
162ed594 | 1303 | DEBUG ((DEBUG_LOAD, "\n"));\r |
28a00297 | 1304 | }\r |
1305 | DEBUG_CODE_END ();\r | |
1306 | \r | |
1307 | //\r | |
1308 | // Return the exit data to the caller\r | |
1309 | //\r | |
1310 | if (ExitData != NULL && ExitDataSize != NULL) {\r | |
1311 | *ExitDataSize = Image->ExitDataSize;\r | |
1312 | *ExitData = Image->ExitData;\r | |
1313 | } else {\r | |
1314 | //\r | |
1315 | // Caller doesn't want the exit data, free it\r | |
1316 | //\r | |
1317 | CoreFreePool (Image->ExitData);\r | |
1318 | Image->ExitData = NULL;\r | |
1319 | }\r | |
1320 | \r | |
1321 | //\r | |
1322 | // Save the Status because Image will get destroyed if it is unloaded.\r | |
1323 | //\r | |
1324 | Status = Image->Status;\r | |
1325 | \r | |
1326 | //\r | |
1327 | // If the image returned an error, or if the image is an application\r | |
1328 | // unload it\r | |
1329 | //\r | |
1330 | if (EFI_ERROR (Image->Status) || Image->Type == EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION) {\r | |
1331 | CoreUnloadAndCloseImage (Image, TRUE);\r | |
1332 | }\r | |
1333 | \r | |
1334 | //\r | |
1335 | // Done\r | |
1336 | //\r | |
bc6b5892 | 1337 | PERF_END (ImageHandle, "StartImage:", NULL, 0);\r |
28a00297 | 1338 | return Status;\r |
1339 | }\r | |
1340 | \r | |
162ed594 | 1341 | /**\r |
1342 | Terminates the currently loaded EFI image and returns control to boot services.\r | |
1343 | \r | |
57d6f36d | 1344 | @param ImageHandle Handle that identifies the image. This\r |
1345 | parameter is passed to the image on entry.\r | |
1346 | @param Status The image's exit code.\r | |
1347 | @param ExitDataSize The size, in bytes, of ExitData. Ignored if\r | |
1348 | ExitStatus is EFI_SUCCESS.\r | |
1349 | @param ExitData Pointer to a data buffer that includes a\r | |
1350 | Null-terminated Unicode string, optionally\r | |
1351 | followed by additional binary data. The string\r | |
1352 | is a description that the caller may use to\r | |
1353 | further indicate the reason for the image's\r | |
1354 | exit.\r | |
1355 | \r | |
1356 | @retval EFI_INVALID_PARAMETER Image handle is NULL or it is not current\r | |
1357 | image.\r | |
1358 | @retval EFI_SUCCESS Successfully terminates the currently loaded\r | |
1359 | EFI image.\r | |
1360 | @retval EFI_ACCESS_DENIED Should never reach there.\r | |
162ed594 | 1361 | @retval EFI_OUT_OF_RESOURCES Could not allocate pool\r |
1362 | \r | |
1363 | **/\r | |
28a00297 | 1364 | EFI_STATUS\r |
1365 | EFIAPI\r | |
1366 | CoreExit (\r | |
1367 | IN EFI_HANDLE ImageHandle,\r | |
1368 | IN EFI_STATUS Status,\r | |
1369 | IN UINTN ExitDataSize,\r | |
1370 | IN CHAR16 *ExitData OPTIONAL\r | |
1371 | )\r | |
28a00297 | 1372 | {\r |
1373 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
1374 | EFI_TPL OldTpl;\r | |
1375 | \r | |
1376 | //\r | |
1377 | // Prevent possible reentrance to this function\r | |
1378 | // for the same ImageHandle\r | |
57d6f36d | 1379 | //\r |
1380 | OldTpl = CoreRaiseTpl (TPL_NOTIFY);\r | |
1381 | \r | |
28a00297 | 1382 | Image = CoreLoadedImageInfo (ImageHandle);\r |
4008328a | 1383 | if (Image == NULL) {\r |
28a00297 | 1384 | Status = EFI_INVALID_PARAMETER;\r |
1385 | goto Done;\r | |
1386 | }\r | |
1387 | \r | |
1388 | if (!Image->Started) {\r | |
1389 | //\r | |
1390 | // The image has not been started so just free its resources\r | |
1391 | //\r | |
1392 | CoreUnloadAndCloseImage (Image, TRUE);\r | |
1393 | Status = EFI_SUCCESS;\r | |
1394 | goto Done;\r | |
1395 | }\r | |
1396 | \r | |
1397 | //\r | |
1398 | // Image has been started, verify this image can exit\r | |
1399 | //\r | |
1400 | if (Image != mCurrentImage) {\r | |
162ed594 | 1401 | DEBUG ((DEBUG_LOAD|DEBUG_ERROR, "Exit: Image is not exitable image\n"));\r |
28a00297 | 1402 | Status = EFI_INVALID_PARAMETER;\r |
1403 | goto Done;\r | |
1404 | }\r | |
1405 | \r | |
1406 | //\r | |
1407 | // Set status\r | |
1408 | //\r | |
1409 | Image->Status = Status;\r | |
1410 | \r | |
1411 | //\r | |
1412 | // If there's ExitData info, move it\r | |
1413 | //\r | |
1414 | if (ExitData != NULL) {\r | |
1415 | Image->ExitDataSize = ExitDataSize;\r | |
9c4ac31c | 1416 | Image->ExitData = AllocatePool (Image->ExitDataSize);\r |
28a00297 | 1417 | if (Image->ExitData == NULL) {\r |
1418 | Status = EFI_OUT_OF_RESOURCES;\r | |
1419 | goto Done;\r | |
1420 | }\r | |
1421 | CopyMem (Image->ExitData, ExitData, Image->ExitDataSize);\r | |
1422 | }\r | |
1423 | \r | |
1424 | CoreRestoreTpl (OldTpl);\r | |
1425 | //\r | |
1426 | // return to StartImage\r | |
1427 | //\r | |
1428 | LongJump (Image->JumpContext, (UINTN)-1);\r | |
1429 | \r | |
1430 | //\r | |
1431 | // If we return from LongJump, then it is an error\r | |
1432 | //\r | |
1433 | ASSERT (FALSE);\r | |
1434 | Status = EFI_ACCESS_DENIED;\r | |
1435 | Done:\r | |
1436 | CoreRestoreTpl (OldTpl);\r | |
1437 | return Status;\r | |
1438 | }\r | |
1439 | \r | |
1440 | \r | |
1441 | \r | |
28a00297 | 1442 | \r |
162ed594 | 1443 | /**\r |
28a00297 | 1444 | Unloads an image.\r |
1445 | \r | |
57d6f36d | 1446 | @param ImageHandle Handle that identifies the image to be\r |
1447 | unloaded.\r | |
28a00297 | 1448 | \r |
57d6f36d | 1449 | @retval EFI_SUCCESS The image has been unloaded.\r |
1450 | @retval EFI_UNSUPPORTED The image has been sarted, and does not support\r | |
1451 | unload.\r | |
162ed594 | 1452 | @retval EFI_INVALID_PARAMPETER ImageHandle is not a valid image handle.\r |
28a00297 | 1453 | \r |
162ed594 | 1454 | **/\r |
1455 | EFI_STATUS\r | |
1456 | EFIAPI\r | |
1457 | CoreUnloadImage (\r | |
1458 | IN EFI_HANDLE ImageHandle\r | |
1459 | )\r | |
28a00297 | 1460 | {\r |
1461 | EFI_STATUS Status;\r | |
1462 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
28a00297 | 1463 | \r |
28a00297 | 1464 | Image = CoreLoadedImageInfo (ImageHandle);\r |
1465 | if (Image == NULL ) {\r | |
1466 | //\r | |
1467 | // The image handle is not valid\r | |
1468 | //\r | |
1469 | Status = EFI_INVALID_PARAMETER;\r | |
1470 | goto Done;\r | |
1471 | }\r | |
1472 | \r | |
1473 | if (Image->Started) {\r | |
1474 | //\r | |
1475 | // The image has been started, request it to unload.\r | |
1476 | //\r | |
1477 | Status = EFI_UNSUPPORTED;\r | |
1478 | if (Image->Info.Unload != NULL) {\r | |
1479 | Status = Image->Info.Unload (ImageHandle);\r | |
1480 | }\r | |
1481 | \r | |
1482 | } else {\r | |
1483 | //\r | |
1484 | // This Image hasn't been started, thus it can be unloaded\r | |
1485 | //\r | |
1486 | Status = EFI_SUCCESS;\r | |
1487 | }\r | |
1488 | \r | |
1489 | \r | |
1490 | if (!EFI_ERROR (Status)) {\r | |
1491 | //\r | |
1492 | // if the Image was not started or Unloaded O.K. then clean up\r | |
1493 | //\r | |
1494 | CoreUnloadAndCloseImage (Image, TRUE);\r | |
1495 | }\r | |
1496 | \r | |
1497 | Done:\r | |
28a00297 | 1498 | return Status;\r |
1499 | }\r | |
1500 | \r | |
023c0fec | 1501 | \r |
1502 | \r | |
1503 | /**\r | |
1504 | Unload the specified image.\r | |
1505 | \r | |
1506 | @param This Indicates the calling context.\r | |
1507 | @param ImageHandle The specified image handle.\r | |
1508 | \r | |
1509 | @retval EFI_INVALID_PARAMETER Image handle is NULL.\r | |
1510 | @retval EFI_UNSUPPORTED Attempt to unload an unsupported image.\r | |
1511 | @retval EFI_SUCCESS Image successfully unloaded.\r | |
1512 | \r | |
1513 | **/\r | |
1514 | EFI_STATUS\r | |
1515 | EFIAPI\r | |
1516 | CoreUnloadImageEx (\r | |
1517 | IN EFI_PE32_IMAGE_PROTOCOL *This,\r | |
1518 | IN EFI_HANDLE ImageHandle\r | |
1519 | )\r | |
1520 | {\r | |
1521 | return CoreUnloadImage (ImageHandle);\r | |
1522 | }\r |