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23c98c94 | 1 | /** @file\r |
504214c4 LG |
2 | Core image handling services to load and unload PeImage.\r |
3 | \r | |
23c98c94 | 4 | Copyright (c) 2006 - 2008, 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 | |
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 | |
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 | |
150 | return CoreInstallProtocolInterface (\r | |
151 | &mLoadPe32PrivateData.Handle,\r | |
152 | &gEfiLoadPeImageProtocolGuid,\r | |
153 | EFI_NATIVE_INTERFACE,\r | |
154 | &mLoadPe32PrivateData.Pe32Image\r | |
155 | );\r | |
156 | }\r | |
157 | \r | |
162ed594 | 158 | \r |
159 | /**\r | |
160 | Loads, relocates, and invokes a PE/COFF image\r | |
161 | \r | |
57d6f36d | 162 | @param BootPolicy If TRUE, indicates that the request originates\r |
163 | from the boot manager, and that the boot\r | |
164 | manager is attempting to load FilePath as a\r | |
165 | boot selection.\r | |
166 | @param Pe32Handle The handle of PE32 image\r | |
167 | @param Image PE image to be loaded\r | |
168 | @param DstBuffer The buffer to store the image\r | |
169 | @param EntryPoint A pointer to the entry point\r | |
170 | @param Attribute The bit mask of attributes to set for the load\r | |
171 | PE image\r | |
172 | \r | |
173 | @retval EFI_SUCCESS The file was loaded, relocated, and invoked\r | |
174 | @retval EFI_OUT_OF_RESOURCES There was not enough memory to load and\r | |
175 | relocate the PE/COFF file\r | |
176 | @retval EFI_INVALID_PARAMETER Invalid parameter\r | |
162ed594 | 177 | @retval EFI_BUFFER_TOO_SMALL Buffer for image is too small\r |
178 | \r | |
179 | **/\r | |
28a00297 | 180 | EFI_STATUS\r |
181 | CoreLoadPeImage (\r | |
57d6f36d | 182 | IN BOOLEAN BootPolicy,\r |
28a00297 | 183 | IN VOID *Pe32Handle,\r |
184 | IN LOADED_IMAGE_PRIVATE_DATA *Image,\r | |
185 | IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,\r | |
186 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,\r | |
187 | IN UINT32 Attribute\r | |
188 | )\r | |
28a00297 | 189 | {\r |
822360ee LG |
190 | EFI_STATUS Status;\r |
191 | BOOLEAN DstBufAlocated;\r | |
192 | UINTN Size;\r | |
193 | UINTN LinkTimeBase;\r | |
6cd7b51e | 194 | IMAGE_FILE_HANDLE *FHandle;\r |
28a00297 | 195 | \r |
6cd7b51e | 196 | FHandle = NULL;\r |
28a00297 | 197 | ZeroMem (&Image->ImageContext, sizeof (Image->ImageContext));\r |
198 | \r | |
199 | Image->ImageContext.Handle = Pe32Handle;\r | |
200 | Image->ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE)CoreReadImageFile;\r | |
201 | \r | |
202 | //\r | |
203 | // Get information about the image being loaded\r | |
204 | //\r | |
3d7b0992 | 205 | Status = PeCoffLoaderGetImageInfo (&Image->ImageContext);\r |
28a00297 | 206 | if (EFI_ERROR (Status)) {\r |
207 | return Status;\r | |
208 | }\r | |
209 | \r | |
210 | if (!EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Image->ImageContext.Machine)) {\r | |
5fed8e34 | 211 | if (!EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED (Image->ImageContext.Machine)) {\r |
212 | //\r | |
213 | // The PE/COFF loader can support loading image types that can be executed.\r | |
214 | // If we loaded an image type that we can not execute return EFI_UNSUPORTED.\r | |
215 | //\r | |
216 | return EFI_UNSUPPORTED;\r | |
217 | }\r | |
28a00297 | 218 | }\r |
57d6f36d | 219 | \r |
a0ae8996 LG |
220 | //\r |
221 | // Set EFI memory type based on ImageType\r | |
222 | //\r | |
223 | switch (Image->ImageContext.ImageType) {\r | |
224 | case EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION:\r | |
225 | Image->ImageContext.ImageCodeMemoryType = EfiLoaderCode;\r | |
226 | Image->ImageContext.ImageDataMemoryType = EfiLoaderData;\r | |
227 | break;\r | |
228 | case EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER:\r | |
229 | Image->ImageContext.ImageCodeMemoryType = EfiBootServicesCode;\r | |
230 | Image->ImageContext.ImageDataMemoryType = EfiBootServicesData;\r | |
231 | break;\r | |
232 | case EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER:\r | |
233 | case EFI_IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER:\r | |
234 | Image->ImageContext.ImageCodeMemoryType = EfiRuntimeServicesCode;\r | |
235 | Image->ImageContext.ImageDataMemoryType = EfiRuntimeServicesData;\r | |
236 | break;\r | |
237 | default:\r | |
238 | Image->ImageContext.ImageError = IMAGE_ERROR_INVALID_SUBSYSTEM;\r | |
239 | return EFI_UNSUPPORTED;\r | |
240 | }\r | |
822360ee LG |
241 | //\r |
242 | // Get the image base address in the original PeImage.\r | |
243 | //\r | |
244 | LinkTimeBase = (UINTN) Image->ImageContext.ImageAddress;\r | |
28a00297 | 245 | \r |
246 | //\r | |
247 | // Allocate memory of the correct memory type aligned on the required image boundry\r | |
248 | //\r | |
249 | DstBufAlocated = FALSE;\r | |
250 | if (DstBuffer == 0) {\r | |
251 | //\r | |
252 | // Allocate Destination Buffer as caller did not pass it in\r | |
253 | //\r | |
254 | \r | |
255 | if (Image->ImageContext.SectionAlignment > EFI_PAGE_SIZE) {\r | |
256 | Size = (UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment;\r | |
257 | } else {\r | |
258 | Size = (UINTN)Image->ImageContext.ImageSize;\r | |
259 | }\r | |
260 | \r | |
261 | Image->NumberOfPages = EFI_SIZE_TO_PAGES (Size);\r | |
262 | \r | |
263 | //\r | |
264 | // If the image relocations have not been stripped, then load at any address.\r | |
265 | // Otherwise load at the address at which it was linked.\r | |
266 | //\r | |
267 | // Memory below 1MB should be treated reserved for CSM and there should be\r | |
268 | // no modules whose preferred load addresses are below 1MB.\r | |
269 | //\r | |
270 | Status = EFI_OUT_OF_RESOURCES;\r | |
271 | if (Image->ImageContext.ImageAddress >= 0x100000 || Image->ImageContext.RelocationsStripped) {\r | |
272 | Status = CoreAllocatePages (\r | |
273 | AllocateAddress,\r | |
274 | (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType),\r | |
275 | Image->NumberOfPages,\r | |
276 | &Image->ImageContext.ImageAddress\r | |
277 | );\r | |
278 | }\r | |
279 | if (EFI_ERROR (Status) && !Image->ImageContext.RelocationsStripped) {\r | |
280 | Status = CoreAllocatePages (\r | |
281 | AllocateAnyPages,\r | |
282 | (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType),\r | |
283 | Image->NumberOfPages,\r | |
284 | &Image->ImageContext.ImageAddress\r | |
285 | );\r | |
286 | }\r | |
287 | if (EFI_ERROR (Status)) {\r | |
288 | return Status;\r | |
289 | }\r | |
290 | DstBufAlocated = TRUE;\r | |
291 | } else {\r | |
292 | //\r | |
293 | // Caller provided the destination buffer\r | |
294 | //\r | |
295 | \r | |
296 | if (Image->ImageContext.RelocationsStripped && (Image->ImageContext.ImageAddress != DstBuffer)) {\r | |
297 | //\r | |
298 | // If the image relocations were stripped, and the caller provided a\r | |
299 | // destination buffer address that does not match the address that the\r | |
300 | // image is linked at, then the image cannot be loaded.\r | |
301 | //\r | |
302 | return EFI_INVALID_PARAMETER;\r | |
303 | }\r | |
304 | \r | |
305 | if (Image->NumberOfPages != 0 &&\r | |
306 | Image->NumberOfPages <\r | |
307 | (EFI_SIZE_TO_PAGES ((UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment))) {\r | |
308 | Image->NumberOfPages = EFI_SIZE_TO_PAGES ((UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment);\r | |
309 | return EFI_BUFFER_TOO_SMALL;\r | |
310 | }\r | |
311 | \r | |
312 | Image->NumberOfPages = EFI_SIZE_TO_PAGES ((UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment);\r | |
313 | Image->ImageContext.ImageAddress = DstBuffer;\r | |
314 | }\r | |
315 | \r | |
316 | Image->ImageBasePage = Image->ImageContext.ImageAddress;\r | |
1046284d LG |
317 | if (!Image->ImageContext.IsTeImage) {\r |
318 | Image->ImageContext.ImageAddress =\r | |
319 | (Image->ImageContext.ImageAddress + Image->ImageContext.SectionAlignment - 1) &\r | |
320 | ~((UINTN)Image->ImageContext.SectionAlignment - 1);\r | |
321 | }\r | |
28a00297 | 322 | \r |
323 | //\r | |
324 | // Load the image from the file into the allocated memory\r | |
325 | //\r | |
3d7b0992 | 326 | Status = PeCoffLoaderLoadImage (&Image->ImageContext);\r |
28a00297 | 327 | if (EFI_ERROR (Status)) {\r |
328 | goto Done;\r | |
329 | }\r | |
330 | \r | |
331 | //\r | |
332 | // If this is a Runtime Driver, then allocate memory for the FixupData that\r | |
333 | // is used to relocate the image when SetVirtualAddressMap() is called. The\r | |
334 | // relocation is done by the Runtime AP.\r | |
335 | //\r | |
71f68914 | 336 | if ((Attribute & EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION) != 0) {\r |
28a00297 | 337 | if (Image->ImageContext.ImageType == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER) {\r |
9c4ac31c | 338 | Image->ImageContext.FixupData = AllocateRuntimePool ((UINTN)(Image->ImageContext.FixupDataSize));\r |
28a00297 | 339 | if (Image->ImageContext.FixupData == NULL) {\r |
340 | Status = EFI_OUT_OF_RESOURCES;\r | |
341 | goto Done;\r | |
342 | }\r | |
343 | }\r | |
344 | }\r | |
345 | \r | |
346 | //\r | |
347 | // Relocate the image in memory\r | |
348 | //\r | |
3d7b0992 | 349 | Status = PeCoffLoaderRelocateImage (&Image->ImageContext);\r |
28a00297 | 350 | if (EFI_ERROR (Status)) {\r |
351 | goto Done;\r | |
352 | }\r | |
353 | \r | |
354 | //\r | |
355 | // Flush the Instruction Cache\r | |
356 | //\r | |
357 | InvalidateInstructionCacheRange ((VOID *)(UINTN)Image->ImageContext.ImageAddress, (UINTN)Image->ImageContext.ImageSize);\r | |
358 | \r | |
359 | //\r | |
360 | // Copy the machine type from the context to the image private data. This\r | |
361 | // is needed during image unload to know if we should call an EBC protocol\r | |
362 | // to unload the image.\r | |
363 | //\r | |
364 | Image->Machine = Image->ImageContext.Machine;\r | |
365 | \r | |
366 | //\r | |
367 | // Get the image entry point. If it's an EBC image, then call into the\r | |
368 | // interpreter to create a thunk for the entry point and use the returned\r | |
369 | // value for the entry point.\r | |
370 | //\r | |
371 | Image->EntryPoint = (EFI_IMAGE_ENTRY_POINT)(UINTN)Image->ImageContext.EntryPoint;\r | |
372 | if (Image->ImageContext.Machine == EFI_IMAGE_MACHINE_EBC) {\r | |
373 | //\r | |
374 | // Locate the EBC interpreter protocol\r | |
375 | //\r | |
376 | Status = CoreLocateProtocol (&gEfiEbcProtocolGuid, NULL, (VOID **)&Image->Ebc);\r | |
377 | if (EFI_ERROR(Status)) {\r | |
57d6f36d | 378 | DEBUG ((DEBUG_LOAD | DEBUG_ERROR, "CoreLoadPeImage: There is no EBC interpreter for an EBC image.\n"));\r |
28a00297 | 379 | goto Done;\r |
380 | }\r | |
381 | \r | |
382 | //\r | |
383 | // Register a callback for flushing the instruction cache so that created\r | |
384 | // thunks can be flushed.\r | |
385 | //\r | |
386 | Status = Image->Ebc->RegisterICacheFlush (Image->Ebc, (EBC_ICACHE_FLUSH)InvalidateInstructionCacheRange);\r | |
387 | if (EFI_ERROR(Status)) {\r | |
388 | goto Done;\r | |
389 | }\r | |
390 | \r | |
391 | //\r | |
392 | // Create a thunk for the image's entry point. This will be the new\r | |
393 | // entry point for the image.\r | |
394 | //\r | |
395 | Status = Image->Ebc->CreateThunk (\r | |
396 | Image->Ebc,\r | |
397 | Image->Handle,\r | |
e94a9ff7 | 398 | (VOID *)(UINTN) Image->ImageContext.EntryPoint,\r |
399 | (VOID **) &Image->EntryPoint\r | |
28a00297 | 400 | );\r |
401 | if (EFI_ERROR(Status)) {\r | |
402 | goto Done;\r | |
403 | }\r | |
404 | }\r | |
405 | \r | |
406 | //\r | |
407 | // Fill in the image information for the Loaded Image Protocol\r | |
408 | //\r | |
409 | Image->Type = Image->ImageContext.ImageType;\r | |
410 | Image->Info.ImageBase = (VOID *)(UINTN)Image->ImageContext.ImageAddress;\r | |
411 | Image->Info.ImageSize = Image->ImageContext.ImageSize;\r | |
412 | Image->Info.ImageCodeType = (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType);\r | |
413 | Image->Info.ImageDataType = (EFI_MEMORY_TYPE) (Image->ImageContext.ImageDataMemoryType);\r | |
71f68914 | 414 | if ((Attribute & EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION) != 0) {\r |
28a00297 | 415 | if (Image->ImageContext.ImageType == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER) {\r |
416 | //\r | |
417 | // Make a list off all the RT images so we can let the RT AP know about them.\r | |
418 | //\r | |
9c4ac31c | 419 | Image->RuntimeData = AllocateRuntimePool (sizeof(EFI_RUNTIME_IMAGE_ENTRY));\r |
28a00297 | 420 | if (Image->RuntimeData == NULL) {\r |
421 | goto Done;\r | |
422 | }\r | |
423 | Image->RuntimeData->ImageBase = Image->Info.ImageBase;\r | |
424 | Image->RuntimeData->ImageSize = (UINT64) (Image->Info.ImageSize);\r | |
425 | Image->RuntimeData->RelocationData = Image->ImageContext.FixupData;\r | |
426 | Image->RuntimeData->Handle = Image->Handle;\r | |
427 | InsertTailList (&gRuntime->ImageHead, &Image->RuntimeData->Link);\r | |
428 | }\r | |
429 | }\r | |
430 | \r | |
431 | //\r | |
432 | // Fill in the entry point of the image if it is available\r | |
433 | //\r | |
434 | if (EntryPoint != NULL) {\r | |
435 | *EntryPoint = Image->ImageContext.EntryPoint;\r | |
436 | }\r | |
437 | \r | |
438 | //\r | |
439 | // Print the load address and the PDB file name if it is available\r | |
440 | //\r | |
441 | \r | |
442 | DEBUG_CODE_BEGIN ();\r | |
443 | \r | |
444 | UINTN Index;\r | |
445 | UINTN StartIndex;\r | |
446 | CHAR8 EfiFileName[256];\r | |
57d6f36d | 447 | \r |
022c6d45 | 448 | \r |
e94a9ff7 | 449 | DEBUG ((DEBUG_INFO | DEBUG_LOAD,\r |
91136124 | 450 | "Loading driver at 0x%11p EntryPoint=0x%11p ",\r |
e94a9ff7 | 451 | (VOID *)(UINTN) Image->ImageContext.ImageAddress,\r |
4e2dd553 | 452 | FUNCTION_ENTRY_POINT (Image->ImageContext.EntryPoint)));\r |
022c6d45 | 453 | \r |
57d6f36d | 454 | \r |
e98cd821 | 455 | //\r |
57dfc48f | 456 | // Print Module Name by Pdb file path.\r |
457 | // Windows and Unix style file path are all trimmed correctly.\r | |
e98cd821 | 458 | //\r |
28a00297 | 459 | if (Image->ImageContext.PdbPointer != NULL) {\r |
460 | StartIndex = 0;\r | |
461 | for (Index = 0; Image->ImageContext.PdbPointer[Index] != 0; Index++) {\r | |
57dfc48f | 462 | if ((Image->ImageContext.PdbPointer[Index] == '\\') || (Image->ImageContext.PdbPointer[Index] == '/')) {\r |
28a00297 | 463 | StartIndex = Index + 1;\r |
464 | }\r | |
465 | }\r | |
466 | //\r | |
467 | // Copy the PDB file name to our temporary string, and replace .pdb with .efi\r | |
57dfc48f | 468 | // The PDB file name is limited in the range of 0~255.\r |
469 | // If the length is bigger than 255, trim the redudant characters to avoid overflow in array boundary.\r | |
28a00297 | 470 | //\r |
57dfc48f | 471 | for (Index = 0; Index < sizeof (EfiFileName) - 4; Index++) {\r |
28a00297 | 472 | EfiFileName[Index] = Image->ImageContext.PdbPointer[Index + StartIndex];\r |
473 | if (EfiFileName[Index] == 0) {\r | |
474 | EfiFileName[Index] = '.';\r | |
475 | }\r | |
476 | if (EfiFileName[Index] == '.') {\r | |
477 | EfiFileName[Index + 1] = 'e';\r | |
478 | EfiFileName[Index + 2] = 'f';\r | |
479 | EfiFileName[Index + 3] = 'i';\r | |
480 | EfiFileName[Index + 4] = 0;\r | |
481 | break;\r | |
482 | }\r | |
483 | }\r | |
57dfc48f | 484 | \r |
485 | if (Index == sizeof (EfiFileName) - 4) {\r | |
486 | EfiFileName[Index] = 0;\r | |
487 | }\r | |
162ed594 | 488 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "%a", EfiFileName)); // &Image->ImageContext.PdbPointer[StartIndex]));\r |
28a00297 | 489 | }\r |
162ed594 | 490 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "\n"));\r |
28a00297 | 491 | \r |
492 | DEBUG_CODE_END ();\r | |
493 | \r | |
494 | return EFI_SUCCESS;\r | |
495 | \r | |
496 | Done:\r | |
497 | \r | |
498 | //\r | |
499 | // Free memory.\r | |
500 | //\r | |
501 | \r | |
502 | if (DstBufAlocated) {\r | |
503 | CoreFreePages (Image->ImageContext.ImageAddress, Image->NumberOfPages);\r | |
504 | }\r | |
505 | \r | |
506 | if (Image->ImageContext.FixupData != NULL) {\r | |
507 | CoreFreePool (Image->ImageContext.FixupData);\r | |
508 | }\r | |
509 | \r | |
510 | return Status;\r | |
511 | }\r | |
512 | \r | |
513 | \r | |
28a00297 | 514 | \r |
162ed594 | 515 | /**\r |
28a00297 | 516 | Get the image's private data from its handle.\r |
517 | \r | |
57d6f36d | 518 | @param ImageHandle The image handle\r |
28a00297 | 519 | \r |
162ed594 | 520 | @return Return the image private data associated with ImageHandle.\r |
28a00297 | 521 | \r |
162ed594 | 522 | **/\r |
523 | LOADED_IMAGE_PRIVATE_DATA *\r | |
524 | CoreLoadedImageInfo (\r | |
525 | IN EFI_HANDLE ImageHandle\r | |
526 | )\r | |
28a00297 | 527 | {\r |
528 | EFI_STATUS Status;\r | |
529 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
530 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
531 | \r | |
532 | Status = CoreHandleProtocol (\r | |
533 | ImageHandle,\r | |
534 | &gEfiLoadedImageProtocolGuid,\r | |
535 | (VOID **)&LoadedImage\r | |
536 | );\r | |
537 | if (!EFI_ERROR (Status)) {\r | |
538 | Image = LOADED_IMAGE_PRIVATE_DATA_FROM_THIS (LoadedImage);\r | |
539 | } else {\r | |
e94a9ff7 | 540 | DEBUG ((DEBUG_LOAD, "CoreLoadedImageInfo: Not an ImageHandle %p\n", ImageHandle));\r |
28a00297 | 541 | Image = NULL;\r |
542 | }\r | |
543 | \r | |
544 | return Image;\r | |
545 | }\r | |
546 | \r | |
162ed594 | 547 | \r |
c0a23f8c | 548 | /**\r |
549 | Unloads EFI image from memory.\r | |
550 | \r | |
551 | @param Image EFI image\r | |
552 | @param FreePage Free allocated pages\r | |
553 | \r | |
554 | **/\r | |
555 | VOID\r | |
556 | CoreUnloadAndCloseImage (\r | |
557 | IN LOADED_IMAGE_PRIVATE_DATA *Image,\r | |
558 | IN BOOLEAN FreePage\r | |
559 | )\r | |
560 | {\r | |
561 | EFI_STATUS Status;\r | |
562 | UINTN HandleCount;\r | |
563 | EFI_HANDLE *HandleBuffer;\r | |
564 | UINTN HandleIndex;\r | |
565 | EFI_GUID **ProtocolGuidArray;\r | |
566 | UINTN ArrayCount;\r | |
567 | UINTN ProtocolIndex;\r | |
568 | EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfo;\r | |
569 | UINTN OpenInfoCount;\r | |
570 | UINTN OpenInfoIndex;\r | |
571 | \r | |
572 | if (Image->Ebc != NULL) {\r | |
573 | //\r | |
574 | // If EBC protocol exists we must perform cleanups for this image.\r | |
575 | //\r | |
576 | Image->Ebc->UnloadImage (Image->Ebc, Image->Handle);\r | |
577 | }\r | |
578 | \r | |
579 | //\r | |
580 | // Unload image, free Image->ImageContext->ModHandle\r | |
581 | //\r | |
582 | PeCoffLoaderUnloadImage (&Image->ImageContext);\r | |
583 | \r | |
584 | //\r | |
585 | // Free our references to the image handle\r | |
586 | //\r | |
587 | if (Image->Handle != NULL) {\r | |
588 | \r | |
589 | Status = CoreLocateHandleBuffer (\r | |
590 | AllHandles,\r | |
591 | NULL,\r | |
592 | NULL,\r | |
593 | &HandleCount,\r | |
594 | &HandleBuffer\r | |
595 | );\r | |
596 | if (!EFI_ERROR (Status)) {\r | |
597 | for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {\r | |
598 | Status = CoreProtocolsPerHandle (\r | |
599 | HandleBuffer[HandleIndex],\r | |
600 | &ProtocolGuidArray,\r | |
601 | &ArrayCount\r | |
602 | );\r | |
603 | if (!EFI_ERROR (Status)) {\r | |
604 | for (ProtocolIndex = 0; ProtocolIndex < ArrayCount; ProtocolIndex++) {\r | |
605 | Status = CoreOpenProtocolInformation (\r | |
606 | HandleBuffer[HandleIndex],\r | |
607 | ProtocolGuidArray[ProtocolIndex],\r | |
608 | &OpenInfo,\r | |
609 | &OpenInfoCount\r | |
610 | );\r | |
611 | if (!EFI_ERROR (Status)) {\r | |
612 | for (OpenInfoIndex = 0; OpenInfoIndex < OpenInfoCount; OpenInfoIndex++) {\r | |
613 | if (OpenInfo[OpenInfoIndex].AgentHandle == Image->Handle) {\r | |
614 | Status = CoreCloseProtocol (\r | |
615 | HandleBuffer[HandleIndex],\r | |
616 | ProtocolGuidArray[ProtocolIndex],\r | |
617 | Image->Handle,\r | |
618 | OpenInfo[OpenInfoIndex].ControllerHandle\r | |
619 | );\r | |
620 | }\r | |
621 | }\r | |
622 | if (OpenInfo != NULL) {\r | |
623 | CoreFreePool(OpenInfo);\r | |
624 | }\r | |
625 | }\r | |
626 | }\r | |
627 | if (ProtocolGuidArray != NULL) {\r | |
628 | CoreFreePool(ProtocolGuidArray);\r | |
629 | }\r | |
630 | }\r | |
631 | }\r | |
632 | if (HandleBuffer != NULL) {\r | |
633 | CoreFreePool (HandleBuffer);\r | |
634 | }\r | |
635 | }\r | |
636 | \r | |
637 | CoreRemoveDebugImageInfoEntry (Image->Handle);\r | |
638 | \r | |
639 | Status = CoreUninstallProtocolInterface (\r | |
640 | Image->Handle,\r | |
641 | &gEfiLoadedImageDevicePathProtocolGuid,\r | |
642 | Image->LoadedImageDevicePath\r | |
643 | );\r | |
644 | \r | |
645 | Status = CoreUninstallProtocolInterface (\r | |
646 | Image->Handle,\r | |
647 | &gEfiLoadedImageProtocolGuid,\r | |
648 | &Image->Info\r | |
649 | );\r | |
650 | \r | |
651 | }\r | |
652 | \r | |
653 | if (Image->RuntimeData != NULL) {\r | |
654 | if (Image->RuntimeData->Link.ForwardLink != NULL) {\r | |
655 | //\r | |
656 | // Remove the Image from the Runtime Image list as we are about to Free it!\r | |
657 | //\r | |
658 | RemoveEntryList (&Image->RuntimeData->Link);\r | |
659 | }\r | |
660 | CoreFreePool (Image->RuntimeData);\r | |
661 | }\r | |
662 | \r | |
663 | //\r | |
664 | // Free the Image from memory\r | |
665 | //\r | |
666 | if ((Image->ImageBasePage != 0) && FreePage) {\r | |
667 | CoreFreePages (Image->ImageBasePage, Image->NumberOfPages);\r | |
668 | }\r | |
669 | \r | |
670 | //\r | |
671 | // Done with the Image structure\r | |
672 | //\r | |
673 | if (Image->Info.FilePath != NULL) {\r | |
674 | CoreFreePool (Image->Info.FilePath);\r | |
675 | }\r | |
676 | \r | |
677 | if (Image->LoadedImageDevicePath != NULL) {\r | |
678 | CoreFreePool (Image->LoadedImageDevicePath);\r | |
679 | }\r | |
680 | \r | |
681 | if (Image->FixupData != NULL) {\r | |
682 | CoreFreePool (Image->FixupData);\r | |
683 | }\r | |
684 | \r | |
685 | CoreFreePool (Image);\r | |
686 | }\r | |
687 | \r | |
688 | \r | |
162ed594 | 689 | /**\r |
690 | Loads an EFI image into memory and returns a handle to the image.\r | |
691 | \r | |
57d6f36d | 692 | @param BootPolicy If TRUE, indicates that the request originates\r |
693 | from the boot manager, and that the boot\r | |
694 | manager is attempting to load FilePath as a\r | |
695 | boot selection.\r | |
696 | @param ParentImageHandle The caller's image handle.\r | |
697 | @param FilePath The specific file path from which the image is\r | |
698 | loaded.\r | |
699 | @param SourceBuffer If not NULL, a pointer to the memory location\r | |
700 | containing a copy of the image to be loaded.\r | |
701 | @param SourceSize The size in bytes of SourceBuffer.\r | |
702 | @param DstBuffer The buffer to store the image\r | |
703 | @param NumberOfPages If not NULL, it inputs a pointer to the page\r | |
704 | number of DstBuffer and outputs a pointer to\r | |
705 | the page number of the image. If this number is\r | |
706 | not enough, return EFI_BUFFER_TOO_SMALL and\r | |
707 | this parameter contains the required number.\r | |
708 | @param ImageHandle Pointer to the returned image handle that is\r | |
709 | created when the image is successfully loaded.\r | |
710 | @param EntryPoint A pointer to the entry point\r | |
711 | @param Attribute The bit mask of attributes to set for the load\r | |
712 | PE image\r | |
713 | \r | |
714 | @retval EFI_SUCCESS The image was loaded into memory.\r | |
715 | @retval EFI_NOT_FOUND The FilePath was not found.\r | |
716 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r | |
717 | @retval EFI_BUFFER_TOO_SMALL The buffer is too small\r | |
718 | @retval EFI_UNSUPPORTED The image type is not supported, or the device\r | |
719 | path cannot be parsed to locate the proper\r | |
720 | protocol for loading the file.\r | |
721 | @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient\r | |
162ed594 | 722 | resources.\r |
723 | \r | |
724 | **/\r | |
28a00297 | 725 | EFI_STATUS\r |
726 | CoreLoadImageCommon (\r | |
727 | IN BOOLEAN BootPolicy,\r | |
728 | IN EFI_HANDLE ParentImageHandle,\r | |
729 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
730 | IN VOID *SourceBuffer OPTIONAL,\r | |
731 | IN UINTN SourceSize,\r | |
732 | IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,\r | |
733 | IN OUT UINTN *NumberOfPages OPTIONAL,\r | |
734 | OUT EFI_HANDLE *ImageHandle,\r | |
735 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,\r | |
736 | IN UINT32 Attribute\r | |
737 | )\r | |
28a00297 | 738 | {\r |
739 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
740 | LOADED_IMAGE_PRIVATE_DATA *ParentImage;\r | |
741 | IMAGE_FILE_HANDLE FHand;\r | |
742 | EFI_STATUS Status;\r | |
743 | EFI_STATUS SecurityStatus;\r | |
744 | EFI_HANDLE DeviceHandle;\r | |
745 | UINT32 AuthenticationStatus;\r | |
746 | EFI_DEVICE_PATH_PROTOCOL *OriginalFilePath;\r | |
747 | EFI_DEVICE_PATH_PROTOCOL *HandleFilePath;\r | |
748 | UINTN FilePathSize;\r | |
749 | \r | |
750 | SecurityStatus = EFI_SUCCESS;\r | |
751 | \r | |
752 | ASSERT (gEfiCurrentTpl < TPL_NOTIFY);\r | |
753 | ParentImage = NULL;\r | |
754 | \r | |
755 | //\r | |
756 | // The caller must pass in a valid ParentImageHandle\r | |
757 | //\r | |
758 | if (ImageHandle == NULL || ParentImageHandle == NULL) {\r | |
759 | return EFI_INVALID_PARAMETER;\r | |
760 | }\r | |
761 | \r | |
762 | ParentImage = CoreLoadedImageInfo (ParentImageHandle);\r | |
763 | if (ParentImage == NULL) {\r | |
162ed594 | 764 | DEBUG((DEBUG_LOAD|DEBUG_ERROR, "LoadImageEx: Parent handle not an image handle\n"));\r |
28a00297 | 765 | return EFI_INVALID_PARAMETER;\r |
766 | }\r | |
767 | \r | |
768 | //\r | |
769 | // Get simple read access to the source file\r | |
770 | //\r | |
771 | OriginalFilePath = FilePath;\r | |
772 | Status = CoreOpenImageFile (\r | |
773 | BootPolicy,\r | |
774 | SourceBuffer,\r | |
775 | SourceSize,\r | |
cfe9de52 | 776 | &FilePath,\r |
28a00297 | 777 | &DeviceHandle,\r |
778 | &FHand,\r | |
779 | &AuthenticationStatus\r | |
780 | );\r | |
781 | if (Status == EFI_ALREADY_STARTED) {\r | |
782 | Image = NULL;\r | |
783 | goto Done;\r | |
784 | } else if (EFI_ERROR (Status)) {\r | |
785 | return Status;\r | |
786 | }\r | |
787 | \r | |
788 | //\r | |
789 | // Verify the Authentication Status through the Security Architectural Protocol\r | |
790 | //\r | |
791 | if ((gSecurity != NULL) && (OriginalFilePath != NULL)) {\r | |
792 | SecurityStatus = gSecurity->FileAuthenticationState (\r | |
793 | gSecurity,\r | |
794 | AuthenticationStatus,\r | |
795 | OriginalFilePath\r | |
796 | );\r | |
797 | if (EFI_ERROR (SecurityStatus) && SecurityStatus != EFI_SECURITY_VIOLATION) {\r | |
798 | Status = SecurityStatus;\r | |
799 | Image = NULL;\r | |
800 | goto Done;\r | |
801 | }\r | |
802 | }\r | |
803 | \r | |
804 | \r | |
805 | //\r | |
806 | // Allocate a new image structure\r | |
807 | //\r | |
9c4ac31c | 808 | Image = AllocateZeroPool (sizeof(LOADED_IMAGE_PRIVATE_DATA));\r |
28a00297 | 809 | if (Image == NULL) {\r |
810 | return EFI_OUT_OF_RESOURCES;\r | |
811 | }\r | |
812 | \r | |
813 | //\r | |
814 | // Pull out just the file portion of the DevicePath for the LoadedImage FilePath\r | |
815 | //\r | |
cfe9de52 | 816 | FilePath = OriginalFilePath;\r |
28a00297 | 817 | Status = CoreHandleProtocol (DeviceHandle, &gEfiDevicePathProtocolGuid, (VOID **)&HandleFilePath);\r |
818 | if (!EFI_ERROR (Status)) {\r | |
9c4ac31c | 819 | FilePathSize = GetDevicePathSize (HandleFilePath) - sizeof(EFI_DEVICE_PATH_PROTOCOL);\r |
e94a9ff7 | 820 | FilePath = (EFI_DEVICE_PATH_PROTOCOL *) (((UINT8 *)FilePath) + FilePathSize );\r |
28a00297 | 821 | }\r |
822 | \r | |
823 | //\r | |
824 | // Initialize the fields for an internal driver\r | |
825 | //\r | |
826 | Image->Signature = LOADED_IMAGE_PRIVATE_DATA_SIGNATURE;\r | |
827 | Image->Info.SystemTable = gDxeCoreST;\r | |
828 | Image->Info.DeviceHandle = DeviceHandle;\r | |
162ed594 | 829 | Image->Info.Revision = EFI_LOADED_IMAGE_PROTOCOL_REVISION;\r |
9c4ac31c | 830 | Image->Info.FilePath = DuplicateDevicePath (FilePath);\r |
28a00297 | 831 | Image->Info.ParentHandle = ParentImageHandle;\r |
832 | \r | |
85658066 | 833 | \r |
28a00297 | 834 | if (NumberOfPages != NULL) {\r |
835 | Image->NumberOfPages = *NumberOfPages ;\r | |
836 | } else {\r | |
837 | Image->NumberOfPages = 0 ;\r | |
838 | }\r | |
839 | \r | |
840 | //\r | |
841 | // Install the protocol interfaces for this image\r | |
842 | // don't fire notifications yet\r | |
843 | //\r | |
844 | Status = CoreInstallProtocolInterfaceNotify (\r | |
845 | &Image->Handle,\r | |
846 | &gEfiLoadedImageProtocolGuid,\r | |
847 | EFI_NATIVE_INTERFACE,\r | |
848 | &Image->Info,\r | |
849 | FALSE\r | |
850 | );\r | |
851 | if (EFI_ERROR (Status)) {\r | |
852 | goto Done;\r | |
853 | }\r | |
854 | \r | |
855 | //\r | |
856 | // Load the image. If EntryPoint is Null, it will not be set.\r | |
857 | //\r | |
822360ee | 858 | Status = CoreLoadPeImage (BootPolicy, &FHand, Image, DstBuffer, EntryPoint, Attribute);\r |
28a00297 | 859 | if (EFI_ERROR (Status)) {\r |
860 | if ((Status == EFI_BUFFER_TOO_SMALL) || (Status == EFI_OUT_OF_RESOURCES)) {\r | |
861 | if (NumberOfPages != NULL) {\r | |
862 | *NumberOfPages = Image->NumberOfPages;\r | |
863 | }\r | |
864 | }\r | |
865 | goto Done;\r | |
866 | }\r | |
867 | \r | |
152af594 | 868 | if (NumberOfPages != NULL) {\r |
869 | *NumberOfPages = Image->NumberOfPages;\r | |
57d6f36d | 870 | }\r |
152af594 | 871 | \r |
28a00297 | 872 | //\r |
873 | // Register the image in the Debug Image Info Table if the attribute is set\r | |
874 | //\r | |
71f68914 | 875 | if ((Attribute & EFI_LOAD_PE_IMAGE_ATTRIBUTE_DEBUG_IMAGE_INFO_TABLE_REGISTRATION) != 0) {\r |
28a00297 | 876 | CoreNewDebugImageInfoEntry (EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL, &Image->Info, Image->Handle);\r |
877 | }\r | |
878 | \r | |
879 | //\r | |
880 | //Reinstall loaded image protocol to fire any notifications\r | |
881 | //\r | |
882 | Status = CoreReinstallProtocolInterface (\r | |
883 | Image->Handle,\r | |
884 | &gEfiLoadedImageProtocolGuid,\r | |
885 | &Image->Info,\r | |
886 | &Image->Info\r | |
887 | );\r | |
888 | if (EFI_ERROR (Status)) {\r | |
889 | goto Done;\r | |
890 | }\r | |
891 | \r | |
ba39e316 | 892 | //\r |
893 | // If DevicePath parameter to the LoadImage() is not NULL, then make a copy of DevicePath,\r | |
894 | // otherwise Loaded Image Device Path Protocol is installed with a NULL interface pointer.\r | |
895 | //\r | |
896 | if (OriginalFilePath != NULL) {\r | |
9c4ac31c | 897 | Image->LoadedImageDevicePath = DuplicateDevicePath (OriginalFilePath);\r |
ba39e316 | 898 | }\r |
899 | \r | |
900 | //\r | |
901 | // Install Loaded Image Device Path Protocol onto the image handle of a PE/COFE image\r | |
902 | //\r | |
903 | Status = CoreInstallProtocolInterface (\r | |
904 | &Image->Handle,\r | |
905 | &gEfiLoadedImageDevicePathProtocolGuid,\r | |
906 | EFI_NATIVE_INTERFACE,\r | |
907 | Image->LoadedImageDevicePath\r | |
908 | );\r | |
909 | if (EFI_ERROR (Status)) {\r | |
910 | goto Done;\r | |
911 | }\r | |
28a00297 | 912 | \r |
913 | //\r | |
914 | // Success. Return the image handle\r | |
915 | //\r | |
916 | *ImageHandle = Image->Handle;\r | |
917 | \r | |
918 | Done:\r | |
919 | //\r | |
920 | // All done accessing the source file\r | |
921 | // If we allocated the Source buffer, free it\r | |
922 | //\r | |
923 | if (FHand.FreeBuffer) {\r | |
924 | CoreFreePool (FHand.Source);\r | |
925 | }\r | |
926 | \r | |
927 | //\r | |
928 | // There was an error. If there's an Image structure, free it\r | |
929 | //\r | |
930 | if (EFI_ERROR (Status)) {\r | |
931 | if (Image != NULL) {\r | |
932 | CoreUnloadAndCloseImage (Image, (BOOLEAN)(DstBuffer == 0));\r | |
933 | *ImageHandle = NULL;\r | |
934 | }\r | |
935 | } else if (EFI_ERROR (SecurityStatus)) {\r | |
936 | Status = SecurityStatus;\r | |
937 | }\r | |
938 | \r | |
939 | return Status;\r | |
940 | }\r | |
941 | \r | |
942 | \r | |
943 | \r | |
162ed594 | 944 | \r |
945 | /**\r | |
946 | Loads an EFI image into memory and returns a handle to the image.\r | |
947 | \r | |
57d6f36d | 948 | @param BootPolicy If TRUE, indicates that the request originates\r |
949 | from the boot manager, and that the boot\r | |
950 | manager is attempting to load FilePath as a\r | |
951 | boot selection.\r | |
952 | @param ParentImageHandle The caller's image handle.\r | |
953 | @param FilePath The specific file path from which the image is\r | |
954 | loaded.\r | |
955 | @param SourceBuffer If not NULL, a pointer to the memory location\r | |
956 | containing a copy of the image to be loaded.\r | |
957 | @param SourceSize The size in bytes of SourceBuffer.\r | |
958 | @param ImageHandle Pointer to the returned image handle that is\r | |
959 | created when the image is successfully loaded.\r | |
960 | \r | |
961 | @retval EFI_SUCCESS The image was loaded into memory.\r | |
962 | @retval EFI_NOT_FOUND The FilePath was not found.\r | |
963 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r | |
964 | @retval EFI_UNSUPPORTED The image type is not supported, or the device\r | |
965 | path cannot be parsed to locate the proper\r | |
966 | protocol for loading the file.\r | |
967 | @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient\r | |
162ed594 | 968 | resources.\r |
969 | \r | |
970 | **/\r | |
28a00297 | 971 | EFI_STATUS\r |
972 | EFIAPI\r | |
973 | CoreLoadImage (\r | |
974 | IN BOOLEAN BootPolicy,\r | |
975 | IN EFI_HANDLE ParentImageHandle,\r | |
976 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
977 | IN VOID *SourceBuffer OPTIONAL,\r | |
978 | IN UINTN SourceSize,\r | |
979 | OUT EFI_HANDLE *ImageHandle\r | |
980 | )\r | |
28a00297 | 981 | {\r |
982 | EFI_STATUS Status;\r | |
7cff25d6 | 983 | UINT64 Tick;\r |
28a00297 | 984 | \r |
7cff25d6 | 985 | Tick = 0;\r |
986 | PERF_CODE (\r | |
987 | Tick = GetPerformanceCounter ();\r | |
988 | );\r | |
28a00297 | 989 | \r |
990 | Status = CoreLoadImageCommon (\r | |
991 | BootPolicy,\r | |
992 | ParentImageHandle,\r | |
993 | FilePath,\r | |
994 | SourceBuffer,\r | |
995 | SourceSize,\r | |
1be0dda6 | 996 | (EFI_PHYSICAL_ADDRESS) (UINTN) NULL,\r |
28a00297 | 997 | NULL,\r |
998 | ImageHandle,\r | |
999 | NULL,\r | |
1000 | EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION | EFI_LOAD_PE_IMAGE_ATTRIBUTE_DEBUG_IMAGE_INFO_TABLE_REGISTRATION\r | |
1001 | );\r | |
1002 | \r | |
bc6b5892 | 1003 | PERF_START (*ImageHandle, "LoadImage:", NULL, Tick);\r |
1004 | PERF_END (*ImageHandle, "LoadImage:", NULL, 0);\r | |
28a00297 | 1005 | \r |
1006 | return Status;\r | |
1007 | }\r | |
1008 | \r | |
1009 | \r | |
162ed594 | 1010 | \r |
1011 | /**\r | |
1012 | Loads an EFI image into memory and returns a handle to the image with extended parameters.\r | |
1013 | \r | |
57d6f36d | 1014 | @param This Calling context\r |
1015 | @param ParentImageHandle The caller's image handle.\r | |
1016 | @param FilePath The specific file path from which the image is\r | |
1017 | loaded.\r | |
1018 | @param SourceBuffer If not NULL, a pointer to the memory location\r | |
1019 | containing a copy of the image to be loaded.\r | |
1020 | @param SourceSize The size in bytes of SourceBuffer.\r | |
1021 | @param DstBuffer The buffer to store the image.\r | |
1022 | @param NumberOfPages For input, specifies the space size of the\r | |
1023 | image by caller if not NULL. For output,\r | |
1024 | specifies the actual space size needed.\r | |
1025 | @param ImageHandle Image handle for output.\r | |
1026 | @param EntryPoint Image entry point for output.\r | |
1027 | @param Attribute The bit mask of attributes to set for the load\r | |
1028 | PE image.\r | |
1029 | \r | |
1030 | @retval EFI_SUCCESS The image was loaded into memory.\r | |
1031 | @retval EFI_NOT_FOUND The FilePath was not found.\r | |
1032 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r | |
1033 | @retval EFI_UNSUPPORTED The image type is not supported, or the device\r | |
1034 | path cannot be parsed to locate the proper\r | |
1035 | protocol for loading the file.\r | |
1036 | @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient\r | |
162ed594 | 1037 | resources.\r |
1038 | \r | |
1039 | **/\r | |
28a00297 | 1040 | EFI_STATUS\r |
1041 | EFIAPI\r | |
1042 | CoreLoadImageEx (\r | |
1043 | IN EFI_PE32_IMAGE_PROTOCOL *This,\r | |
1044 | IN EFI_HANDLE ParentImageHandle,\r | |
1045 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
1046 | IN VOID *SourceBuffer OPTIONAL,\r | |
1047 | IN UINTN SourceSize,\r | |
1048 | IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,\r | |
1049 | OUT UINTN *NumberOfPages OPTIONAL,\r | |
1050 | OUT EFI_HANDLE *ImageHandle,\r | |
1051 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,\r | |
1052 | IN UINT32 Attribute\r | |
1053 | )\r | |
28a00297 | 1054 | {\r |
1055 | return CoreLoadImageCommon (\r | |
1056 | TRUE,\r | |
1057 | ParentImageHandle,\r | |
1058 | FilePath,\r | |
1059 | SourceBuffer,\r | |
1060 | SourceSize,\r | |
1061 | DstBuffer,\r | |
1062 | NumberOfPages,\r | |
1063 | ImageHandle,\r | |
1064 | EntryPoint,\r | |
1065 | Attribute\r | |
1066 | );\r | |
1067 | }\r | |
1068 | \r | |
162ed594 | 1069 | \r |
1070 | /**\r | |
1071 | Transfer control to a loaded image's entry point.\r | |
1072 | \r | |
57d6f36d | 1073 | @param ImageHandle Handle of image to be started.\r |
1074 | @param ExitDataSize Pointer of the size to ExitData\r | |
1075 | @param ExitData Pointer to a pointer to a data buffer that\r | |
1076 | includes a Null-terminated Unicode string,\r | |
1077 | optionally followed by additional binary data.\r | |
1078 | The string is a description that the caller may\r | |
1079 | use to further indicate the reason for the\r | |
1080 | image's exit.\r | |
1081 | \r | |
1082 | @retval EFI_INVALID_PARAMETER Invalid parameter\r | |
1083 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
1084 | @retval EFI_SUCCESS Successfully transfer control to the image's\r | |
162ed594 | 1085 | entry point.\r |
1086 | \r | |
1087 | **/\r | |
28a00297 | 1088 | EFI_STATUS\r |
1089 | EFIAPI\r | |
1090 | CoreStartImage (\r | |
1091 | IN EFI_HANDLE ImageHandle,\r | |
1092 | OUT UINTN *ExitDataSize,\r | |
1093 | OUT CHAR16 **ExitData OPTIONAL\r | |
1094 | )\r | |
28a00297 | 1095 | {\r |
1096 | EFI_STATUS Status;\r | |
1097 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
1098 | LOADED_IMAGE_PRIVATE_DATA *LastImage;\r | |
1099 | UINT64 HandleDatabaseKey;\r | |
1100 | UINTN SetJumpFlag;\r | |
1101 | \r | |
1102 | Image = CoreLoadedImageInfo (ImageHandle);\r | |
4008328a | 1103 | if (Image == NULL || Image->Started) {\r |
28a00297 | 1104 | return EFI_INVALID_PARAMETER;\r |
1105 | }\r | |
1106 | \r | |
1107 | //\r | |
1108 | // Don't profile Objects or invalid start requests\r | |
1109 | //\r | |
bc6b5892 | 1110 | PERF_START (ImageHandle, "StartImage:", NULL, 0);\r |
28a00297 | 1111 | \r |
1112 | \r | |
1113 | //\r | |
1114 | // Push the current start image context, and\r | |
1115 | // link the current image to the head. This is the\r | |
1116 | // only image that can call Exit()\r | |
1117 | //\r | |
1118 | HandleDatabaseKey = CoreGetHandleDatabaseKey ();\r | |
1119 | LastImage = mCurrentImage;\r | |
1120 | mCurrentImage = Image;\r | |
1121 | Image->Tpl = gEfiCurrentTpl;\r | |
1122 | \r | |
1123 | //\r | |
1124 | // Set long jump for Exit() support\r | |
1125 | // JumpContext must be aligned on a CPU specific boundary.\r | |
1126 | // Overallocate the buffer and force the required alignment\r | |
1127 | //\r | |
9c4ac31c | 1128 | Image->JumpBuffer = AllocatePool (sizeof (BASE_LIBRARY_JUMP_BUFFER) + BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT);\r |
28a00297 | 1129 | if (Image->JumpBuffer == NULL) {\r |
bc6b5892 | 1130 | PERF_END (ImageHandle, "StartImage:", NULL, 0);\r |
28a00297 | 1131 | return EFI_OUT_OF_RESOURCES;\r |
1132 | }\r | |
1133 | Image->JumpContext = ALIGN_POINTER (Image->JumpBuffer, BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT);\r | |
1134 | \r | |
1135 | SetJumpFlag = SetJump (Image->JumpContext);\r | |
1136 | //\r | |
1137 | // The initial call to SetJump() must always return 0.\r | |
1138 | // Subsequent calls to LongJump() cause a non-zero value to be returned by SetJump().\r | |
1139 | //\r | |
71f68914 | 1140 | if (SetJumpFlag == 0) {\r |
28a00297 | 1141 | //\r |
1142 | // Call the image's entry point\r | |
1143 | //\r | |
1144 | Image->Started = TRUE;\r | |
1145 | Image->Status = Image->EntryPoint (ImageHandle, Image->Info.SystemTable);\r | |
1146 | \r | |
1147 | //\r | |
1148 | // Add some debug information if the image returned with error.\r | |
1149 | // This make the user aware and check if the driver image have already released\r | |
1150 | // all the resource in this situation.\r | |
1151 | //\r | |
1152 | DEBUG_CODE_BEGIN ();\r | |
1153 | if (EFI_ERROR (Image->Status)) {\r | |
91136124 | 1154 | DEBUG ((DEBUG_ERROR, "Error: Image at %11p start failed: %r\n", Image->Info.ImageBase, Image->Status));\r |
28a00297 | 1155 | }\r |
1156 | DEBUG_CODE_END ();\r | |
1157 | \r | |
1158 | //\r | |
1159 | // If the image returns, exit it through Exit()\r | |
1160 | //\r | |
1161 | CoreExit (ImageHandle, Image->Status, 0, NULL);\r | |
1162 | }\r | |
1163 | \r | |
1164 | //\r | |
1165 | // Image has completed. Verify the tpl is the same\r | |
1166 | //\r | |
1167 | ASSERT (Image->Tpl == gEfiCurrentTpl);\r | |
1168 | CoreRestoreTpl (Image->Tpl);\r | |
1169 | \r | |
1170 | CoreFreePool (Image->JumpBuffer);\r | |
1171 | \r | |
1172 | //\r | |
1173 | // Pop the current start image context\r | |
1174 | //\r | |
1175 | mCurrentImage = LastImage;\r | |
1176 | \r | |
1177 | //\r | |
1178 | // Go connect any handles that were created or modified while the image executed.\r | |
1179 | //\r | |
1180 | CoreConnectHandlesByKey (HandleDatabaseKey);\r | |
1181 | \r | |
1182 | //\r | |
1183 | // Handle the image's returned ExitData\r | |
1184 | //\r | |
1185 | DEBUG_CODE_BEGIN ();\r | |
1186 | if (Image->ExitDataSize != 0 || Image->ExitData != NULL) {\r | |
1187 | \r | |
7df7393f | 1188 | DEBUG ((DEBUG_LOAD, "StartImage: ExitDataSize %d, ExitData %p", (UINT32)Image->ExitDataSize, Image->ExitData));\r |
28a00297 | 1189 | if (Image->ExitData != NULL) {\r |
162ed594 | 1190 | DEBUG ((DEBUG_LOAD, " (%hs)", Image->ExitData));\r |
28a00297 | 1191 | }\r |
162ed594 | 1192 | DEBUG ((DEBUG_LOAD, "\n"));\r |
28a00297 | 1193 | }\r |
1194 | DEBUG_CODE_END ();\r | |
1195 | \r | |
1196 | //\r | |
1197 | // Return the exit data to the caller\r | |
1198 | //\r | |
1199 | if (ExitData != NULL && ExitDataSize != NULL) {\r | |
1200 | *ExitDataSize = Image->ExitDataSize;\r | |
1201 | *ExitData = Image->ExitData;\r | |
1202 | } else {\r | |
1203 | //\r | |
1204 | // Caller doesn't want the exit data, free it\r | |
1205 | //\r | |
1206 | CoreFreePool (Image->ExitData);\r | |
1207 | Image->ExitData = NULL;\r | |
1208 | }\r | |
1209 | \r | |
1210 | //\r | |
1211 | // Save the Status because Image will get destroyed if it is unloaded.\r | |
1212 | //\r | |
1213 | Status = Image->Status;\r | |
1214 | \r | |
1215 | //\r | |
1216 | // If the image returned an error, or if the image is an application\r | |
1217 | // unload it\r | |
1218 | //\r | |
1219 | if (EFI_ERROR (Image->Status) || Image->Type == EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION) {\r | |
1220 | CoreUnloadAndCloseImage (Image, TRUE);\r | |
1221 | }\r | |
1222 | \r | |
1223 | //\r | |
1224 | // Done\r | |
1225 | //\r | |
bc6b5892 | 1226 | PERF_END (ImageHandle, "StartImage:", NULL, 0);\r |
28a00297 | 1227 | return Status;\r |
1228 | }\r | |
1229 | \r | |
162ed594 | 1230 | /**\r |
1231 | Terminates the currently loaded EFI image and returns control to boot services.\r | |
1232 | \r | |
57d6f36d | 1233 | @param ImageHandle Handle that identifies the image. This\r |
1234 | parameter is passed to the image on entry.\r | |
1235 | @param Status The image's exit code.\r | |
1236 | @param ExitDataSize The size, in bytes, of ExitData. Ignored if\r | |
1237 | ExitStatus is EFI_SUCCESS.\r | |
1238 | @param ExitData Pointer to a data buffer that includes a\r | |
1239 | Null-terminated Unicode string, optionally\r | |
1240 | followed by additional binary data. The string\r | |
1241 | is a description that the caller may use to\r | |
1242 | further indicate the reason for the image's\r | |
1243 | exit.\r | |
1244 | \r | |
1245 | @retval EFI_INVALID_PARAMETER Image handle is NULL or it is not current\r | |
1246 | image.\r | |
1247 | @retval EFI_SUCCESS Successfully terminates the currently loaded\r | |
1248 | EFI image.\r | |
1249 | @retval EFI_ACCESS_DENIED Should never reach there.\r | |
162ed594 | 1250 | @retval EFI_OUT_OF_RESOURCES Could not allocate pool\r |
1251 | \r | |
1252 | **/\r | |
28a00297 | 1253 | EFI_STATUS\r |
1254 | EFIAPI\r | |
1255 | CoreExit (\r | |
1256 | IN EFI_HANDLE ImageHandle,\r | |
1257 | IN EFI_STATUS Status,\r | |
1258 | IN UINTN ExitDataSize,\r | |
1259 | IN CHAR16 *ExitData OPTIONAL\r | |
1260 | )\r | |
28a00297 | 1261 | {\r |
1262 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
1263 | EFI_TPL OldTpl;\r | |
1264 | \r | |
1265 | //\r | |
1266 | // Prevent possible reentrance to this function\r | |
1267 | // for the same ImageHandle\r | |
57d6f36d | 1268 | //\r |
1269 | OldTpl = CoreRaiseTpl (TPL_NOTIFY);\r | |
1270 | \r | |
28a00297 | 1271 | Image = CoreLoadedImageInfo (ImageHandle);\r |
4008328a | 1272 | if (Image == NULL) {\r |
28a00297 | 1273 | Status = EFI_INVALID_PARAMETER;\r |
1274 | goto Done;\r | |
1275 | }\r | |
1276 | \r | |
1277 | if (!Image->Started) {\r | |
1278 | //\r | |
1279 | // The image has not been started so just free its resources\r | |
1280 | //\r | |
1281 | CoreUnloadAndCloseImage (Image, TRUE);\r | |
1282 | Status = EFI_SUCCESS;\r | |
1283 | goto Done;\r | |
1284 | }\r | |
1285 | \r | |
1286 | //\r | |
1287 | // Image has been started, verify this image can exit\r | |
1288 | //\r | |
1289 | if (Image != mCurrentImage) {\r | |
162ed594 | 1290 | DEBUG ((DEBUG_LOAD|DEBUG_ERROR, "Exit: Image is not exitable image\n"));\r |
28a00297 | 1291 | Status = EFI_INVALID_PARAMETER;\r |
1292 | goto Done;\r | |
1293 | }\r | |
1294 | \r | |
1295 | //\r | |
1296 | // Set status\r | |
1297 | //\r | |
1298 | Image->Status = Status;\r | |
1299 | \r | |
1300 | //\r | |
1301 | // If there's ExitData info, move it\r | |
1302 | //\r | |
1303 | if (ExitData != NULL) {\r | |
1304 | Image->ExitDataSize = ExitDataSize;\r | |
9c4ac31c | 1305 | Image->ExitData = AllocatePool (Image->ExitDataSize);\r |
28a00297 | 1306 | if (Image->ExitData == NULL) {\r |
1307 | Status = EFI_OUT_OF_RESOURCES;\r | |
1308 | goto Done;\r | |
1309 | }\r | |
1310 | CopyMem (Image->ExitData, ExitData, Image->ExitDataSize);\r | |
1311 | }\r | |
1312 | \r | |
1313 | CoreRestoreTpl (OldTpl);\r | |
1314 | //\r | |
1315 | // return to StartImage\r | |
1316 | //\r | |
1317 | LongJump (Image->JumpContext, (UINTN)-1);\r | |
1318 | \r | |
1319 | //\r | |
1320 | // If we return from LongJump, then it is an error\r | |
1321 | //\r | |
1322 | ASSERT (FALSE);\r | |
1323 | Status = EFI_ACCESS_DENIED;\r | |
1324 | Done:\r | |
1325 | CoreRestoreTpl (OldTpl);\r | |
1326 | return Status;\r | |
1327 | }\r | |
1328 | \r | |
1329 | \r | |
1330 | \r | |
28a00297 | 1331 | \r |
162ed594 | 1332 | /**\r |
28a00297 | 1333 | Unloads an image.\r |
1334 | \r | |
57d6f36d | 1335 | @param ImageHandle Handle that identifies the image to be\r |
1336 | unloaded.\r | |
28a00297 | 1337 | \r |
57d6f36d | 1338 | @retval EFI_SUCCESS The image has been unloaded.\r |
1339 | @retval EFI_UNSUPPORTED The image has been sarted, and does not support\r | |
1340 | unload.\r | |
162ed594 | 1341 | @retval EFI_INVALID_PARAMPETER ImageHandle is not a valid image handle.\r |
28a00297 | 1342 | \r |
162ed594 | 1343 | **/\r |
1344 | EFI_STATUS\r | |
1345 | EFIAPI\r | |
1346 | CoreUnloadImage (\r | |
1347 | IN EFI_HANDLE ImageHandle\r | |
1348 | )\r | |
28a00297 | 1349 | {\r |
1350 | EFI_STATUS Status;\r | |
1351 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
28a00297 | 1352 | \r |
28a00297 | 1353 | Image = CoreLoadedImageInfo (ImageHandle);\r |
1354 | if (Image == NULL ) {\r | |
1355 | //\r | |
1356 | // The image handle is not valid\r | |
1357 | //\r | |
1358 | Status = EFI_INVALID_PARAMETER;\r | |
1359 | goto Done;\r | |
1360 | }\r | |
1361 | \r | |
1362 | if (Image->Started) {\r | |
1363 | //\r | |
1364 | // The image has been started, request it to unload.\r | |
1365 | //\r | |
1366 | Status = EFI_UNSUPPORTED;\r | |
1367 | if (Image->Info.Unload != NULL) {\r | |
1368 | Status = Image->Info.Unload (ImageHandle);\r | |
1369 | }\r | |
1370 | \r | |
1371 | } else {\r | |
1372 | //\r | |
1373 | // This Image hasn't been started, thus it can be unloaded\r | |
1374 | //\r | |
1375 | Status = EFI_SUCCESS;\r | |
1376 | }\r | |
1377 | \r | |
1378 | \r | |
1379 | if (!EFI_ERROR (Status)) {\r | |
1380 | //\r | |
1381 | // if the Image was not started or Unloaded O.K. then clean up\r | |
1382 | //\r | |
1383 | CoreUnloadAndCloseImage (Image, TRUE);\r | |
1384 | }\r | |
1385 | \r | |
1386 | Done:\r | |
28a00297 | 1387 | return Status;\r |
1388 | }\r | |
1389 | \r | |
1390 | \r | |
162ed594 | 1391 | \r |
1392 | /**\r | |
1393 | Unload the specified image.\r | |
1394 | \r | |
57d6f36d | 1395 | @param This Indicates the calling context.\r |
1396 | @param ImageHandle The specified image handle.\r | |
162ed594 | 1397 | \r |
57d6f36d | 1398 | @retval EFI_INVALID_PARAMETER Image handle is NULL.\r |
1399 | @retval EFI_UNSUPPORTED Attempt to unload an unsupported image.\r | |
162ed594 | 1400 | @retval EFI_SUCCESS Image successfully unloaded.\r |
1401 | \r | |
1402 | **/\r | |
28a00297 | 1403 | EFI_STATUS\r |
1404 | EFIAPI\r | |
1405 | CoreUnloadImageEx (\r | |
1406 | IN EFI_PE32_IMAGE_PROTOCOL *This,\r | |
1407 | IN EFI_HANDLE ImageHandle\r | |
1408 | )\r | |
28a00297 | 1409 | {\r |
1410 | return CoreUnloadImage (ImageHandle);\r | |
1411 | }\r |