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1 | /** @file\r | |
2 | Core image handling services to load and unload PeImage.\r | |
3 | \r | |
4 | Copyright (c) 2006 - 2008, Intel Corporation. <BR>\r | |
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 | |
13 | **/\r | |
14 | \r | |
15 | #include "DxeMain.h"\r | |
16 | #include "Image.h"\r | |
17 | \r | |
18 | //\r | |
19 | // Module Globals\r | |
20 | //\r | |
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 | |
71 | NULL // LoadedImageDevicePath\r | |
72 | };\r | |
73 | \r | |
74 | \r | |
75 | \r | |
76 | /**\r | |
77 | Add the Image Services to EFI Boot Services Table and install the protocol\r | |
78 | interfaces for this image.\r | |
79 | \r | |
80 | @param HobStart The HOB to initialize\r | |
81 | \r | |
82 | @return Status code.\r | |
83 | \r | |
84 | **/\r | |
85 | EFI_STATUS\r | |
86 | CoreInitializeImageServices (\r | |
87 | IN VOID *HobStart\r | |
88 | )\r | |
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 | |
158 | \r | |
159 | /**\r | |
160 | Loads, relocates, and invokes a PE/COFF image\r | |
161 | \r | |
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 | |
177 | @retval EFI_BUFFER_TOO_SMALL Buffer for image is too small\r | |
178 | \r | |
179 | **/\r | |
180 | EFI_STATUS\r | |
181 | CoreLoadPeImage (\r | |
182 | IN BOOLEAN BootPolicy,\r | |
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 | |
189 | {\r | |
190 | EFI_STATUS Status;\r | |
191 | BOOLEAN DstBufAlocated;\r | |
192 | UINTN Size;\r | |
193 | \r | |
194 | ZeroMem (&Image->ImageContext, sizeof (Image->ImageContext));\r | |
195 | \r | |
196 | Image->ImageContext.Handle = Pe32Handle;\r | |
197 | Image->ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE)CoreReadImageFile;\r | |
198 | \r | |
199 | //\r | |
200 | // Get information about the image being loaded\r | |
201 | //\r | |
202 | Status = PeCoffLoaderGetImageInfo (&Image->ImageContext);\r | |
203 | if (EFI_ERROR (Status)) {\r | |
204 | return Status;\r | |
205 | }\r | |
206 | \r | |
207 | if (!EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Image->ImageContext.Machine)) {\r | |
208 | if (!EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED (Image->ImageContext.Machine)) {\r | |
209 | //\r | |
210 | // The PE/COFF loader can support loading image types that can be executed.\r | |
211 | // If we loaded an image type that we can not execute return EFI_UNSUPORTED.\r | |
212 | //\r | |
213 | return EFI_UNSUPPORTED;\r | |
214 | }\r | |
215 | }\r | |
216 | \r | |
217 | //\r | |
218 | // Set EFI memory type based on ImageType\r | |
219 | //\r | |
220 | switch (Image->ImageContext.ImageType) {\r | |
221 | case EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION:\r | |
222 | Image->ImageContext.ImageCodeMemoryType = EfiLoaderCode;\r | |
223 | Image->ImageContext.ImageDataMemoryType = EfiLoaderData;\r | |
224 | break;\r | |
225 | case EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER:\r | |
226 | Image->ImageContext.ImageCodeMemoryType = EfiBootServicesCode;\r | |
227 | Image->ImageContext.ImageDataMemoryType = EfiBootServicesData;\r | |
228 | break;\r | |
229 | case EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER:\r | |
230 | case EFI_IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER:\r | |
231 | Image->ImageContext.ImageCodeMemoryType = EfiRuntimeServicesCode;\r | |
232 | Image->ImageContext.ImageDataMemoryType = EfiRuntimeServicesData;\r | |
233 | break;\r | |
234 | default:\r | |
235 | Image->ImageContext.ImageError = IMAGE_ERROR_INVALID_SUBSYSTEM;\r | |
236 | return EFI_UNSUPPORTED;\r | |
237 | }\r | |
238 | \r | |
239 | //\r | |
240 | // Allocate memory of the correct memory type aligned on the required image boundry\r | |
241 | //\r | |
242 | DstBufAlocated = FALSE;\r | |
243 | if (DstBuffer == 0) {\r | |
244 | //\r | |
245 | // Allocate Destination Buffer as caller did not pass it in\r | |
246 | //\r | |
247 | \r | |
248 | if (Image->ImageContext.SectionAlignment > EFI_PAGE_SIZE) {\r | |
249 | Size = (UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment;\r | |
250 | } else {\r | |
251 | Size = (UINTN)Image->ImageContext.ImageSize;\r | |
252 | }\r | |
253 | \r | |
254 | Image->NumberOfPages = EFI_SIZE_TO_PAGES (Size);\r | |
255 | \r | |
256 | //\r | |
257 | // If the image relocations have not been stripped, then load at any address.\r | |
258 | // Otherwise load at the address at which it was linked.\r | |
259 | //\r | |
260 | // Memory below 1MB should be treated reserved for CSM and there should be\r | |
261 | // no modules whose preferred load addresses are below 1MB.\r | |
262 | //\r | |
263 | Status = EFI_OUT_OF_RESOURCES;\r | |
264 | if (Image->ImageContext.ImageAddress >= 0x100000 || Image->ImageContext.RelocationsStripped) {\r | |
265 | Status = CoreAllocatePages (\r | |
266 | AllocateAddress,\r | |
267 | (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType),\r | |
268 | Image->NumberOfPages,\r | |
269 | &Image->ImageContext.ImageAddress\r | |
270 | );\r | |
271 | }\r | |
272 | if (EFI_ERROR (Status) && !Image->ImageContext.RelocationsStripped) {\r | |
273 | Status = CoreAllocatePages (\r | |
274 | AllocateAnyPages,\r | |
275 | (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType),\r | |
276 | Image->NumberOfPages,\r | |
277 | &Image->ImageContext.ImageAddress\r | |
278 | );\r | |
279 | }\r | |
280 | if (EFI_ERROR (Status)) {\r | |
281 | return Status;\r | |
282 | }\r | |
283 | DstBufAlocated = TRUE;\r | |
284 | } else {\r | |
285 | //\r | |
286 | // Caller provided the destination buffer\r | |
287 | //\r | |
288 | \r | |
289 | if (Image->ImageContext.RelocationsStripped && (Image->ImageContext.ImageAddress != DstBuffer)) {\r | |
290 | //\r | |
291 | // If the image relocations were stripped, and the caller provided a\r | |
292 | // destination buffer address that does not match the address that the\r | |
293 | // image is linked at, then the image cannot be loaded.\r | |
294 | //\r | |
295 | return EFI_INVALID_PARAMETER;\r | |
296 | }\r | |
297 | \r | |
298 | if (Image->NumberOfPages != 0 &&\r | |
299 | Image->NumberOfPages <\r | |
300 | (EFI_SIZE_TO_PAGES ((UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment))) {\r | |
301 | Image->NumberOfPages = EFI_SIZE_TO_PAGES ((UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment);\r | |
302 | return EFI_BUFFER_TOO_SMALL;\r | |
303 | }\r | |
304 | \r | |
305 | Image->NumberOfPages = EFI_SIZE_TO_PAGES ((UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment);\r | |
306 | Image->ImageContext.ImageAddress = DstBuffer;\r | |
307 | }\r | |
308 | \r | |
309 | Image->ImageBasePage = Image->ImageContext.ImageAddress;\r | |
310 | if (!Image->ImageContext.IsTeImage) {\r | |
311 | Image->ImageContext.ImageAddress =\r | |
312 | (Image->ImageContext.ImageAddress + Image->ImageContext.SectionAlignment - 1) &\r | |
313 | ~((UINTN)Image->ImageContext.SectionAlignment - 1);\r | |
314 | }\r | |
315 | \r | |
316 | //\r | |
317 | // Load the image from the file into the allocated memory\r | |
318 | //\r | |
319 | Status = PeCoffLoaderLoadImage (&Image->ImageContext);\r | |
320 | if (EFI_ERROR (Status)) {\r | |
321 | goto Done;\r | |
322 | }\r | |
323 | \r | |
324 | //\r | |
325 | // If this is a Runtime Driver, then allocate memory for the FixupData that\r | |
326 | // is used to relocate the image when SetVirtualAddressMap() is called. The\r | |
327 | // relocation is done by the Runtime AP.\r | |
328 | //\r | |
329 | if ((Attribute & EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION) != 0) {\r | |
330 | if (Image->ImageContext.ImageType == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER) {\r | |
331 | Image->ImageContext.FixupData = AllocateRuntimePool ((UINTN)(Image->ImageContext.FixupDataSize));\r | |
332 | if (Image->ImageContext.FixupData == NULL) {\r | |
333 | Status = EFI_OUT_OF_RESOURCES;\r | |
334 | goto Done;\r | |
335 | }\r | |
336 | }\r | |
337 | }\r | |
338 | \r | |
339 | //\r | |
340 | // Relocate the image in memory\r | |
341 | //\r | |
342 | Status = PeCoffLoaderRelocateImage (&Image->ImageContext);\r | |
343 | if (EFI_ERROR (Status)) {\r | |
344 | goto Done;\r | |
345 | }\r | |
346 | \r | |
347 | //\r | |
348 | // Flush the Instruction Cache\r | |
349 | //\r | |
350 | InvalidateInstructionCacheRange ((VOID *)(UINTN)Image->ImageContext.ImageAddress, (UINTN)Image->ImageContext.ImageSize);\r | |
351 | \r | |
352 | //\r | |
353 | // Copy the machine type from the context to the image private data. This\r | |
354 | // is needed during image unload to know if we should call an EBC protocol\r | |
355 | // to unload the image.\r | |
356 | //\r | |
357 | Image->Machine = Image->ImageContext.Machine;\r | |
358 | \r | |
359 | //\r | |
360 | // Get the image entry point. If it's an EBC image, then call into the\r | |
361 | // interpreter to create a thunk for the entry point and use the returned\r | |
362 | // value for the entry point.\r | |
363 | //\r | |
364 | Image->EntryPoint = (EFI_IMAGE_ENTRY_POINT)(UINTN)Image->ImageContext.EntryPoint;\r | |
365 | if (Image->ImageContext.Machine == EFI_IMAGE_MACHINE_EBC) {\r | |
366 | //\r | |
367 | // Locate the EBC interpreter protocol\r | |
368 | //\r | |
369 | Status = CoreLocateProtocol (&gEfiEbcProtocolGuid, NULL, (VOID **)&Image->Ebc);\r | |
370 | if (EFI_ERROR(Status)) {\r | |
371 | DEBUG ((DEBUG_LOAD | DEBUG_ERROR, "CoreLoadPeImage: There is no EBC interpreter for an EBC image.\n"));\r | |
372 | goto Done;\r | |
373 | }\r | |
374 | \r | |
375 | //\r | |
376 | // Register a callback for flushing the instruction cache so that created\r | |
377 | // thunks can be flushed.\r | |
378 | //\r | |
379 | Status = Image->Ebc->RegisterICacheFlush (Image->Ebc, (EBC_ICACHE_FLUSH)InvalidateInstructionCacheRange);\r | |
380 | if (EFI_ERROR(Status)) {\r | |
381 | goto Done;\r | |
382 | }\r | |
383 | \r | |
384 | //\r | |
385 | // Create a thunk for the image's entry point. This will be the new\r | |
386 | // entry point for the image.\r | |
387 | //\r | |
388 | Status = Image->Ebc->CreateThunk (\r | |
389 | Image->Ebc,\r | |
390 | Image->Handle,\r | |
391 | (VOID *)(UINTN) Image->ImageContext.EntryPoint,\r | |
392 | (VOID **) &Image->EntryPoint\r | |
393 | );\r | |
394 | if (EFI_ERROR(Status)) {\r | |
395 | goto Done;\r | |
396 | }\r | |
397 | }\r | |
398 | \r | |
399 | //\r | |
400 | // Fill in the image information for the Loaded Image Protocol\r | |
401 | //\r | |
402 | Image->Type = Image->ImageContext.ImageType;\r | |
403 | Image->Info.ImageBase = (VOID *)(UINTN)Image->ImageContext.ImageAddress;\r | |
404 | Image->Info.ImageSize = Image->ImageContext.ImageSize;\r | |
405 | Image->Info.ImageCodeType = (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType);\r | |
406 | Image->Info.ImageDataType = (EFI_MEMORY_TYPE) (Image->ImageContext.ImageDataMemoryType);\r | |
407 | if ((Attribute & EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION) != 0) {\r | |
408 | if (Image->ImageContext.ImageType == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER) {\r | |
409 | //\r | |
410 | // Make a list off all the RT images so we can let the RT AP know about them.\r | |
411 | //\r | |
412 | Image->RuntimeData = AllocateRuntimePool (sizeof(EFI_RUNTIME_IMAGE_ENTRY));\r | |
413 | if (Image->RuntimeData == NULL) {\r | |
414 | goto Done;\r | |
415 | }\r | |
416 | Image->RuntimeData->ImageBase = Image->Info.ImageBase;\r | |
417 | Image->RuntimeData->ImageSize = (UINT64) (Image->Info.ImageSize);\r | |
418 | Image->RuntimeData->RelocationData = Image->ImageContext.FixupData;\r | |
419 | Image->RuntimeData->Handle = Image->Handle;\r | |
420 | InsertTailList (&gRuntime->ImageHead, &Image->RuntimeData->Link);\r | |
421 | }\r | |
422 | }\r | |
423 | \r | |
424 | //\r | |
425 | // Fill in the entry point of the image if it is available\r | |
426 | //\r | |
427 | if (EntryPoint != NULL) {\r | |
428 | *EntryPoint = Image->ImageContext.EntryPoint;\r | |
429 | }\r | |
430 | \r | |
431 | //\r | |
432 | // Print the load address and the PDB file name if it is available\r | |
433 | //\r | |
434 | \r | |
435 | DEBUG_CODE_BEGIN ();\r | |
436 | \r | |
437 | UINTN Index;\r | |
438 | UINTN StartIndex;\r | |
439 | CHAR8 EfiFileName[256];\r | |
440 | \r | |
441 | \r | |
442 | DEBUG ((DEBUG_INFO | DEBUG_LOAD,\r | |
443 | "Loading driver at 0x%11p EntryPoint=0x%11p ",\r | |
444 | (VOID *)(UINTN) Image->ImageContext.ImageAddress,\r | |
445 | FUNCTION_ENTRY_POINT (Image->ImageContext.EntryPoint)));\r | |
446 | \r | |
447 | \r | |
448 | //\r | |
449 | // Print Module Name by Pdb file path.\r | |
450 | // Windows and Unix style file path are all trimmed correctly.\r | |
451 | //\r | |
452 | if (Image->ImageContext.PdbPointer != NULL) {\r | |
453 | StartIndex = 0;\r | |
454 | for (Index = 0; Image->ImageContext.PdbPointer[Index] != 0; Index++) {\r | |
455 | if ((Image->ImageContext.PdbPointer[Index] == '\\') || (Image->ImageContext.PdbPointer[Index] == '/')) {\r | |
456 | StartIndex = Index + 1;\r | |
457 | }\r | |
458 | }\r | |
459 | //\r | |
460 | // Copy the PDB file name to our temporary string, and replace .pdb with .efi\r | |
461 | // The PDB file name is limited in the range of 0~255.\r | |
462 | // If the length is bigger than 255, trim the redudant characters to avoid overflow in array boundary.\r | |
463 | //\r | |
464 | for (Index = 0; Index < sizeof (EfiFileName) - 4; Index++) {\r | |
465 | EfiFileName[Index] = Image->ImageContext.PdbPointer[Index + StartIndex];\r | |
466 | if (EfiFileName[Index] == 0) {\r | |
467 | EfiFileName[Index] = '.';\r | |
468 | }\r | |
469 | if (EfiFileName[Index] == '.') {\r | |
470 | EfiFileName[Index + 1] = 'e';\r | |
471 | EfiFileName[Index + 2] = 'f';\r | |
472 | EfiFileName[Index + 3] = 'i';\r | |
473 | EfiFileName[Index + 4] = 0;\r | |
474 | break;\r | |
475 | }\r | |
476 | }\r | |
477 | \r | |
478 | if (Index == sizeof (EfiFileName) - 4) {\r | |
479 | EfiFileName[Index] = 0;\r | |
480 | }\r | |
481 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "%a", EfiFileName)); // &Image->ImageContext.PdbPointer[StartIndex]));\r | |
482 | }\r | |
483 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "\n"));\r | |
484 | \r | |
485 | DEBUG_CODE_END ();\r | |
486 | \r | |
487 | return EFI_SUCCESS;\r | |
488 | \r | |
489 | Done:\r | |
490 | \r | |
491 | //\r | |
492 | // Free memory.\r | |
493 | //\r | |
494 | \r | |
495 | if (DstBufAlocated) {\r | |
496 | CoreFreePages (Image->ImageContext.ImageAddress, Image->NumberOfPages);\r | |
497 | }\r | |
498 | \r | |
499 | if (Image->ImageContext.FixupData != NULL) {\r | |
500 | CoreFreePool (Image->ImageContext.FixupData);\r | |
501 | }\r | |
502 | \r | |
503 | return Status;\r | |
504 | }\r | |
505 | \r | |
506 | \r | |
507 | \r | |
508 | /**\r | |
509 | Get the image's private data from its handle.\r | |
510 | \r | |
511 | @param ImageHandle The image handle\r | |
512 | \r | |
513 | @return Return the image private data associated with ImageHandle.\r | |
514 | \r | |
515 | **/\r | |
516 | LOADED_IMAGE_PRIVATE_DATA *\r | |
517 | CoreLoadedImageInfo (\r | |
518 | IN EFI_HANDLE ImageHandle\r | |
519 | )\r | |
520 | {\r | |
521 | EFI_STATUS Status;\r | |
522 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
523 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
524 | \r | |
525 | Status = CoreHandleProtocol (\r | |
526 | ImageHandle,\r | |
527 | &gEfiLoadedImageProtocolGuid,\r | |
528 | (VOID **)&LoadedImage\r | |
529 | );\r | |
530 | if (!EFI_ERROR (Status)) {\r | |
531 | Image = LOADED_IMAGE_PRIVATE_DATA_FROM_THIS (LoadedImage);\r | |
532 | } else {\r | |
533 | DEBUG ((DEBUG_LOAD, "CoreLoadedImageInfo: Not an ImageHandle %p\n", ImageHandle));\r | |
534 | Image = NULL;\r | |
535 | }\r | |
536 | \r | |
537 | return Image;\r | |
538 | }\r | |
539 | \r | |
540 | \r | |
541 | /**\r | |
542 | Unloads EFI image from memory.\r | |
543 | \r | |
544 | @param Image EFI image\r | |
545 | @param FreePage Free allocated pages\r | |
546 | \r | |
547 | **/\r | |
548 | VOID\r | |
549 | CoreUnloadAndCloseImage (\r | |
550 | IN LOADED_IMAGE_PRIVATE_DATA *Image,\r | |
551 | IN BOOLEAN FreePage\r | |
552 | )\r | |
553 | {\r | |
554 | EFI_STATUS Status;\r | |
555 | UINTN HandleCount;\r | |
556 | EFI_HANDLE *HandleBuffer;\r | |
557 | UINTN HandleIndex;\r | |
558 | EFI_GUID **ProtocolGuidArray;\r | |
559 | UINTN ArrayCount;\r | |
560 | UINTN ProtocolIndex;\r | |
561 | EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfo;\r | |
562 | UINTN OpenInfoCount;\r | |
563 | UINTN OpenInfoIndex;\r | |
564 | \r | |
565 | if (Image->Ebc != NULL) {\r | |
566 | //\r | |
567 | // If EBC protocol exists we must perform cleanups for this image.\r | |
568 | //\r | |
569 | Image->Ebc->UnloadImage (Image->Ebc, Image->Handle);\r | |
570 | }\r | |
571 | \r | |
572 | //\r | |
573 | // Unload image, free Image->ImageContext->ModHandle\r | |
574 | //\r | |
575 | PeCoffLoaderUnloadImage (&Image->ImageContext);\r | |
576 | \r | |
577 | //\r | |
578 | // Free our references to the image handle\r | |
579 | //\r | |
580 | if (Image->Handle != NULL) {\r | |
581 | \r | |
582 | Status = CoreLocateHandleBuffer (\r | |
583 | AllHandles,\r | |
584 | NULL,\r | |
585 | NULL,\r | |
586 | &HandleCount,\r | |
587 | &HandleBuffer\r | |
588 | );\r | |
589 | if (!EFI_ERROR (Status)) {\r | |
590 | for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {\r | |
591 | Status = CoreProtocolsPerHandle (\r | |
592 | HandleBuffer[HandleIndex],\r | |
593 | &ProtocolGuidArray,\r | |
594 | &ArrayCount\r | |
595 | );\r | |
596 | if (!EFI_ERROR (Status)) {\r | |
597 | for (ProtocolIndex = 0; ProtocolIndex < ArrayCount; ProtocolIndex++) {\r | |
598 | Status = CoreOpenProtocolInformation (\r | |
599 | HandleBuffer[HandleIndex],\r | |
600 | ProtocolGuidArray[ProtocolIndex],\r | |
601 | &OpenInfo,\r | |
602 | &OpenInfoCount\r | |
603 | );\r | |
604 | if (!EFI_ERROR (Status)) {\r | |
605 | for (OpenInfoIndex = 0; OpenInfoIndex < OpenInfoCount; OpenInfoIndex++) {\r | |
606 | if (OpenInfo[OpenInfoIndex].AgentHandle == Image->Handle) {\r | |
607 | Status = CoreCloseProtocol (\r | |
608 | HandleBuffer[HandleIndex],\r | |
609 | ProtocolGuidArray[ProtocolIndex],\r | |
610 | Image->Handle,\r | |
611 | OpenInfo[OpenInfoIndex].ControllerHandle\r | |
612 | );\r | |
613 | }\r | |
614 | }\r | |
615 | if (OpenInfo != NULL) {\r | |
616 | CoreFreePool(OpenInfo);\r | |
617 | }\r | |
618 | }\r | |
619 | }\r | |
620 | if (ProtocolGuidArray != NULL) {\r | |
621 | CoreFreePool(ProtocolGuidArray);\r | |
622 | }\r | |
623 | }\r | |
624 | }\r | |
625 | if (HandleBuffer != NULL) {\r | |
626 | CoreFreePool (HandleBuffer);\r | |
627 | }\r | |
628 | }\r | |
629 | \r | |
630 | CoreRemoveDebugImageInfoEntry (Image->Handle);\r | |
631 | \r | |
632 | Status = CoreUninstallProtocolInterface (\r | |
633 | Image->Handle,\r | |
634 | &gEfiLoadedImageDevicePathProtocolGuid,\r | |
635 | Image->LoadedImageDevicePath\r | |
636 | );\r | |
637 | \r | |
638 | Status = CoreUninstallProtocolInterface (\r | |
639 | Image->Handle,\r | |
640 | &gEfiLoadedImageProtocolGuid,\r | |
641 | &Image->Info\r | |
642 | );\r | |
643 | \r | |
644 | if (Image->ImageContext.HiiResourceData != 0) {\r | |
645 | Status = CoreUninstallProtocolInterface (\r | |
646 | Image->Handle,\r | |
647 | &gEfiHiiPackageListProtocolGuid,\r | |
648 | (VOID *) (UINTN) Image->ImageContext.HiiResourceData\r | |
649 | );\r | |
650 | }\r | |
651 | \r | |
652 | }\r | |
653 | \r | |
654 | if (Image->RuntimeData != NULL) {\r | |
655 | if (Image->RuntimeData->Link.ForwardLink != NULL) {\r | |
656 | //\r | |
657 | // Remove the Image from the Runtime Image list as we are about to Free it!\r | |
658 | //\r | |
659 | RemoveEntryList (&Image->RuntimeData->Link);\r | |
660 | }\r | |
661 | CoreFreePool (Image->RuntimeData);\r | |
662 | }\r | |
663 | \r | |
664 | //\r | |
665 | // Free the Image from memory\r | |
666 | //\r | |
667 | if ((Image->ImageBasePage != 0) && FreePage) {\r | |
668 | CoreFreePages (Image->ImageBasePage, Image->NumberOfPages);\r | |
669 | }\r | |
670 | \r | |
671 | //\r | |
672 | // Done with the Image structure\r | |
673 | //\r | |
674 | if (Image->Info.FilePath != NULL) {\r | |
675 | CoreFreePool (Image->Info.FilePath);\r | |
676 | }\r | |
677 | \r | |
678 | if (Image->LoadedImageDevicePath != NULL) {\r | |
679 | CoreFreePool (Image->LoadedImageDevicePath);\r | |
680 | }\r | |
681 | \r | |
682 | if (Image->FixupData != NULL) {\r | |
683 | CoreFreePool (Image->FixupData);\r | |
684 | }\r | |
685 | \r | |
686 | CoreFreePool (Image);\r | |
687 | }\r | |
688 | \r | |
689 | \r | |
690 | /**\r | |
691 | Loads an EFI image into memory and returns a handle to the image.\r | |
692 | \r | |
693 | @param BootPolicy If TRUE, indicates that the request originates\r | |
694 | from the boot manager, and that the boot\r | |
695 | manager is attempting to load FilePath as a\r | |
696 | boot selection.\r | |
697 | @param ParentImageHandle The caller's image handle.\r | |
698 | @param FilePath The specific file path from which the image is\r | |
699 | loaded.\r | |
700 | @param SourceBuffer If not NULL, a pointer to the memory location\r | |
701 | containing a copy of the image to be loaded.\r | |
702 | @param SourceSize The size in bytes of SourceBuffer.\r | |
703 | @param DstBuffer The buffer to store the image\r | |
704 | @param NumberOfPages If not NULL, it inputs a pointer to the page\r | |
705 | number of DstBuffer and outputs a pointer to\r | |
706 | the page number of the image. If this number is\r | |
707 | not enough, return EFI_BUFFER_TOO_SMALL and\r | |
708 | this parameter contains the required number.\r | |
709 | @param ImageHandle Pointer to the returned image handle that is\r | |
710 | created when the image is successfully loaded.\r | |
711 | @param EntryPoint A pointer to the entry point\r | |
712 | @param Attribute The bit mask of attributes to set for the load\r | |
713 | PE image\r | |
714 | \r | |
715 | @retval EFI_SUCCESS The image was loaded into memory.\r | |
716 | @retval EFI_NOT_FOUND The FilePath was not found.\r | |
717 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r | |
718 | @retval EFI_BUFFER_TOO_SMALL The buffer is too small\r | |
719 | @retval EFI_UNSUPPORTED The image type is not supported, or the device\r | |
720 | path cannot be parsed to locate the proper\r | |
721 | protocol for loading the file.\r | |
722 | @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient\r | |
723 | resources.\r | |
724 | \r | |
725 | **/\r | |
726 | EFI_STATUS\r | |
727 | CoreLoadImageCommon (\r | |
728 | IN BOOLEAN BootPolicy,\r | |
729 | IN EFI_HANDLE ParentImageHandle,\r | |
730 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
731 | IN VOID *SourceBuffer OPTIONAL,\r | |
732 | IN UINTN SourceSize,\r | |
733 | IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,\r | |
734 | IN OUT UINTN *NumberOfPages OPTIONAL,\r | |
735 | OUT EFI_HANDLE *ImageHandle,\r | |
736 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,\r | |
737 | IN UINT32 Attribute\r | |
738 | )\r | |
739 | {\r | |
740 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
741 | LOADED_IMAGE_PRIVATE_DATA *ParentImage;\r | |
742 | IMAGE_FILE_HANDLE FHand;\r | |
743 | EFI_STATUS Status;\r | |
744 | EFI_STATUS SecurityStatus;\r | |
745 | EFI_HANDLE DeviceHandle;\r | |
746 | UINT32 AuthenticationStatus;\r | |
747 | EFI_DEVICE_PATH_PROTOCOL *OriginalFilePath;\r | |
748 | EFI_DEVICE_PATH_PROTOCOL *HandleFilePath;\r | |
749 | UINTN FilePathSize;\r | |
750 | \r | |
751 | SecurityStatus = EFI_SUCCESS;\r | |
752 | \r | |
753 | ASSERT (gEfiCurrentTpl < TPL_NOTIFY);\r | |
754 | ParentImage = NULL;\r | |
755 | \r | |
756 | //\r | |
757 | // The caller must pass in a valid ParentImageHandle\r | |
758 | //\r | |
759 | if (ImageHandle == NULL || ParentImageHandle == NULL) {\r | |
760 | return EFI_INVALID_PARAMETER;\r | |
761 | }\r | |
762 | \r | |
763 | ParentImage = CoreLoadedImageInfo (ParentImageHandle);\r | |
764 | if (ParentImage == NULL) {\r | |
765 | DEBUG((DEBUG_LOAD|DEBUG_ERROR, "LoadImageEx: Parent handle not an image handle\n"));\r | |
766 | return EFI_INVALID_PARAMETER;\r | |
767 | }\r | |
768 | \r | |
769 | //\r | |
770 | // Get simple read access to the source file\r | |
771 | //\r | |
772 | OriginalFilePath = FilePath;\r | |
773 | Status = CoreOpenImageFile (\r | |
774 | BootPolicy,\r | |
775 | SourceBuffer,\r | |
776 | SourceSize,\r | |
777 | &FilePath,\r | |
778 | &DeviceHandle,\r | |
779 | &FHand,\r | |
780 | &AuthenticationStatus\r | |
781 | );\r | |
782 | if (Status == EFI_ALREADY_STARTED) {\r | |
783 | Image = NULL;\r | |
784 | goto Done;\r | |
785 | } else if (EFI_ERROR (Status)) {\r | |
786 | return Status;\r | |
787 | }\r | |
788 | \r | |
789 | //\r | |
790 | // Verify the Authentication Status through the Security Architectural Protocol\r | |
791 | //\r | |
792 | if ((gSecurity != NULL) && (OriginalFilePath != NULL)) {\r | |
793 | SecurityStatus = gSecurity->FileAuthenticationState (\r | |
794 | gSecurity,\r | |
795 | AuthenticationStatus,\r | |
796 | OriginalFilePath\r | |
797 | );\r | |
798 | if (EFI_ERROR (SecurityStatus) && SecurityStatus != EFI_SECURITY_VIOLATION) {\r | |
799 | Status = SecurityStatus;\r | |
800 | Image = NULL;\r | |
801 | goto Done;\r | |
802 | }\r | |
803 | }\r | |
804 | \r | |
805 | \r | |
806 | //\r | |
807 | // Allocate a new image structure\r | |
808 | //\r | |
809 | Image = AllocateZeroPool (sizeof(LOADED_IMAGE_PRIVATE_DATA));\r | |
810 | if (Image == NULL) {\r | |
811 | return EFI_OUT_OF_RESOURCES;\r | |
812 | }\r | |
813 | \r | |
814 | //\r | |
815 | // Pull out just the file portion of the DevicePath for the LoadedImage FilePath\r | |
816 | //\r | |
817 | FilePath = OriginalFilePath;\r | |
818 | Status = CoreHandleProtocol (DeviceHandle, &gEfiDevicePathProtocolGuid, (VOID **)&HandleFilePath);\r | |
819 | if (!EFI_ERROR (Status)) {\r | |
820 | FilePathSize = GetDevicePathSize (HandleFilePath) - sizeof(EFI_DEVICE_PATH_PROTOCOL);\r | |
821 | FilePath = (EFI_DEVICE_PATH_PROTOCOL *) (((UINT8 *)FilePath) + FilePathSize );\r | |
822 | }\r | |
823 | \r | |
824 | //\r | |
825 | // Initialize the fields for an internal driver\r | |
826 | //\r | |
827 | Image->Signature = LOADED_IMAGE_PRIVATE_DATA_SIGNATURE;\r | |
828 | Image->Info.SystemTable = gDxeCoreST;\r | |
829 | Image->Info.DeviceHandle = DeviceHandle;\r | |
830 | Image->Info.Revision = EFI_LOADED_IMAGE_PROTOCOL_REVISION;\r | |
831 | Image->Info.FilePath = DuplicateDevicePath (FilePath);\r | |
832 | Image->Info.ParentHandle = ParentImageHandle;\r | |
833 | \r | |
834 | \r | |
835 | if (NumberOfPages != NULL) {\r | |
836 | Image->NumberOfPages = *NumberOfPages ;\r | |
837 | } else {\r | |
838 | Image->NumberOfPages = 0 ;\r | |
839 | }\r | |
840 | \r | |
841 | //\r | |
842 | // Install the protocol interfaces for this image\r | |
843 | // don't fire notifications yet\r | |
844 | //\r | |
845 | Status = CoreInstallProtocolInterfaceNotify (\r | |
846 | &Image->Handle,\r | |
847 | &gEfiLoadedImageProtocolGuid,\r | |
848 | EFI_NATIVE_INTERFACE,\r | |
849 | &Image->Info,\r | |
850 | FALSE\r | |
851 | );\r | |
852 | if (EFI_ERROR (Status)) {\r | |
853 | goto Done;\r | |
854 | }\r | |
855 | \r | |
856 | //\r | |
857 | // Load the image. If EntryPoint is Null, it will not be set.\r | |
858 | //\r | |
859 | Status = CoreLoadPeImage (BootPolicy, &FHand, Image, DstBuffer, EntryPoint, Attribute);\r | |
860 | if (EFI_ERROR (Status)) {\r | |
861 | if ((Status == EFI_BUFFER_TOO_SMALL) || (Status == EFI_OUT_OF_RESOURCES)) {\r | |
862 | if (NumberOfPages != NULL) {\r | |
863 | *NumberOfPages = Image->NumberOfPages;\r | |
864 | }\r | |
865 | }\r | |
866 | goto Done;\r | |
867 | }\r | |
868 | \r | |
869 | if (NumberOfPages != NULL) {\r | |
870 | *NumberOfPages = Image->NumberOfPages;\r | |
871 | }\r | |
872 | \r | |
873 | //\r | |
874 | // Register the image in the Debug Image Info Table if the attribute is set\r | |
875 | //\r | |
876 | if ((Attribute & EFI_LOAD_PE_IMAGE_ATTRIBUTE_DEBUG_IMAGE_INFO_TABLE_REGISTRATION) != 0) {\r | |
877 | CoreNewDebugImageInfoEntry (EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL, &Image->Info, Image->Handle);\r | |
878 | }\r | |
879 | \r | |
880 | //\r | |
881 | //Reinstall loaded image protocol to fire any notifications\r | |
882 | //\r | |
883 | Status = CoreReinstallProtocolInterface (\r | |
884 | Image->Handle,\r | |
885 | &gEfiLoadedImageProtocolGuid,\r | |
886 | &Image->Info,\r | |
887 | &Image->Info\r | |
888 | );\r | |
889 | if (EFI_ERROR (Status)) {\r | |
890 | goto Done;\r | |
891 | }\r | |
892 | \r | |
893 | //\r | |
894 | // If DevicePath parameter to the LoadImage() is not NULL, then make a copy of DevicePath,\r | |
895 | // otherwise Loaded Image Device Path Protocol is installed with a NULL interface pointer.\r | |
896 | //\r | |
897 | if (OriginalFilePath != NULL) {\r | |
898 | Image->LoadedImageDevicePath = DuplicateDevicePath (OriginalFilePath);\r | |
899 | }\r | |
900 | \r | |
901 | //\r | |
902 | // Install Loaded Image Device Path Protocol onto the image handle of a PE/COFE image\r | |
903 | //\r | |
904 | Status = CoreInstallProtocolInterface (\r | |
905 | &Image->Handle,\r | |
906 | &gEfiLoadedImageDevicePathProtocolGuid,\r | |
907 | EFI_NATIVE_INTERFACE,\r | |
908 | Image->LoadedImageDevicePath\r | |
909 | );\r | |
910 | if (EFI_ERROR (Status)) {\r | |
911 | goto Done;\r | |
912 | }\r | |
913 | \r | |
914 | //\r | |
915 | // Install HII Package List Protocol onto the image handle\r | |
916 | //\r | |
917 | if (Image->ImageContext.HiiResourceData != 0) {\r | |
918 | Status = CoreInstallProtocolInterface (\r | |
919 | &Image->Handle,\r | |
920 | &gEfiHiiPackageListProtocolGuid,\r | |
921 | EFI_NATIVE_INTERFACE,\r | |
922 | (VOID *) (UINTN) Image->ImageContext.HiiResourceData\r | |
923 | );\r | |
924 | if (EFI_ERROR (Status)) {\r | |
925 | goto Done;\r | |
926 | }\r | |
927 | }\r | |
928 | \r | |
929 | //\r | |
930 | // Success. Return the image handle\r | |
931 | //\r | |
932 | *ImageHandle = Image->Handle;\r | |
933 | \r | |
934 | Done:\r | |
935 | //\r | |
936 | // All done accessing the source file\r | |
937 | // If we allocated the Source buffer, free it\r | |
938 | //\r | |
939 | if (FHand.FreeBuffer) {\r | |
940 | CoreFreePool (FHand.Source);\r | |
941 | }\r | |
942 | \r | |
943 | //\r | |
944 | // There was an error. If there's an Image structure, free it\r | |
945 | //\r | |
946 | if (EFI_ERROR (Status)) {\r | |
947 | if (Image != NULL) {\r | |
948 | CoreUnloadAndCloseImage (Image, (BOOLEAN)(DstBuffer == 0));\r | |
949 | *ImageHandle = NULL;\r | |
950 | }\r | |
951 | } else if (EFI_ERROR (SecurityStatus)) {\r | |
952 | Status = SecurityStatus;\r | |
953 | }\r | |
954 | \r | |
955 | return Status;\r | |
956 | }\r | |
957 | \r | |
958 | \r | |
959 | \r | |
960 | \r | |
961 | /**\r | |
962 | Loads an EFI image into memory and returns a handle to the image.\r | |
963 | \r | |
964 | @param BootPolicy If TRUE, indicates that the request originates\r | |
965 | from the boot manager, and that the boot\r | |
966 | manager is attempting to load FilePath as a\r | |
967 | boot selection.\r | |
968 | @param ParentImageHandle The caller's image handle.\r | |
969 | @param FilePath The specific file path from which the image is\r | |
970 | loaded.\r | |
971 | @param SourceBuffer If not NULL, a pointer to the memory location\r | |
972 | containing a copy of the image to be loaded.\r | |
973 | @param SourceSize The size in bytes of SourceBuffer.\r | |
974 | @param ImageHandle Pointer to the returned image handle that is\r | |
975 | created when the image is successfully loaded.\r | |
976 | \r | |
977 | @retval EFI_SUCCESS The image was loaded into memory.\r | |
978 | @retval EFI_NOT_FOUND The FilePath was not found.\r | |
979 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r | |
980 | @retval EFI_UNSUPPORTED The image type is not supported, or the device\r | |
981 | path cannot be parsed to locate the proper\r | |
982 | protocol for loading the file.\r | |
983 | @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient\r | |
984 | resources.\r | |
985 | \r | |
986 | **/\r | |
987 | EFI_STATUS\r | |
988 | EFIAPI\r | |
989 | CoreLoadImage (\r | |
990 | IN BOOLEAN BootPolicy,\r | |
991 | IN EFI_HANDLE ParentImageHandle,\r | |
992 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
993 | IN VOID *SourceBuffer OPTIONAL,\r | |
994 | IN UINTN SourceSize,\r | |
995 | OUT EFI_HANDLE *ImageHandle\r | |
996 | )\r | |
997 | {\r | |
998 | EFI_STATUS Status;\r | |
999 | UINT64 Tick;\r | |
1000 | \r | |
1001 | Tick = 0;\r | |
1002 | PERF_CODE (\r | |
1003 | Tick = GetPerformanceCounter ();\r | |
1004 | );\r | |
1005 | \r | |
1006 | Status = CoreLoadImageCommon (\r | |
1007 | BootPolicy,\r | |
1008 | ParentImageHandle,\r | |
1009 | FilePath,\r | |
1010 | SourceBuffer,\r | |
1011 | SourceSize,\r | |
1012 | (EFI_PHYSICAL_ADDRESS) (UINTN) NULL,\r | |
1013 | NULL,\r | |
1014 | ImageHandle,\r | |
1015 | NULL,\r | |
1016 | EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION | EFI_LOAD_PE_IMAGE_ATTRIBUTE_DEBUG_IMAGE_INFO_TABLE_REGISTRATION\r | |
1017 | );\r | |
1018 | \r | |
1019 | PERF_START (*ImageHandle, "LoadImage:", NULL, Tick);\r | |
1020 | PERF_END (*ImageHandle, "LoadImage:", NULL, 0);\r | |
1021 | \r | |
1022 | return Status;\r | |
1023 | }\r | |
1024 | \r | |
1025 | \r | |
1026 | \r | |
1027 | /**\r | |
1028 | Loads an EFI image into memory and returns a handle to the image with extended parameters.\r | |
1029 | \r | |
1030 | @param This Calling context\r | |
1031 | @param ParentImageHandle The caller's image handle.\r | |
1032 | @param FilePath The specific file path from which the image is\r | |
1033 | loaded.\r | |
1034 | @param SourceBuffer If not NULL, a pointer to the memory location\r | |
1035 | containing a copy of the image to be loaded.\r | |
1036 | @param SourceSize The size in bytes of SourceBuffer.\r | |
1037 | @param DstBuffer The buffer to store the image.\r | |
1038 | @param NumberOfPages For input, specifies the space size of the\r | |
1039 | image by caller if not NULL. For output,\r | |
1040 | specifies the actual space size needed.\r | |
1041 | @param ImageHandle Image handle for output.\r | |
1042 | @param EntryPoint Image entry point for output.\r | |
1043 | @param Attribute The bit mask of attributes to set for the load\r | |
1044 | PE image.\r | |
1045 | \r | |
1046 | @retval EFI_SUCCESS The image was loaded into memory.\r | |
1047 | @retval EFI_NOT_FOUND The FilePath was not found.\r | |
1048 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r | |
1049 | @retval EFI_UNSUPPORTED The image type is not supported, or the device\r | |
1050 | path cannot be parsed to locate the proper\r | |
1051 | protocol for loading the file.\r | |
1052 | @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient\r | |
1053 | resources.\r | |
1054 | \r | |
1055 | **/\r | |
1056 | EFI_STATUS\r | |
1057 | EFIAPI\r | |
1058 | CoreLoadImageEx (\r | |
1059 | IN EFI_PE32_IMAGE_PROTOCOL *This,\r | |
1060 | IN EFI_HANDLE ParentImageHandle,\r | |
1061 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
1062 | IN VOID *SourceBuffer OPTIONAL,\r | |
1063 | IN UINTN SourceSize,\r | |
1064 | IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,\r | |
1065 | OUT UINTN *NumberOfPages OPTIONAL,\r | |
1066 | OUT EFI_HANDLE *ImageHandle,\r | |
1067 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,\r | |
1068 | IN UINT32 Attribute\r | |
1069 | )\r | |
1070 | {\r | |
1071 | return CoreLoadImageCommon (\r | |
1072 | TRUE,\r | |
1073 | ParentImageHandle,\r | |
1074 | FilePath,\r | |
1075 | SourceBuffer,\r | |
1076 | SourceSize,\r | |
1077 | DstBuffer,\r | |
1078 | NumberOfPages,\r | |
1079 | ImageHandle,\r | |
1080 | EntryPoint,\r | |
1081 | Attribute\r | |
1082 | );\r | |
1083 | }\r | |
1084 | \r | |
1085 | \r | |
1086 | /**\r | |
1087 | Transfer control to a loaded image's entry point.\r | |
1088 | \r | |
1089 | @param ImageHandle Handle of image to be started.\r | |
1090 | @param ExitDataSize Pointer of the size to ExitData\r | |
1091 | @param ExitData Pointer to a pointer to a data buffer that\r | |
1092 | includes a Null-terminated Unicode string,\r | |
1093 | optionally followed by additional binary data.\r | |
1094 | The string is a description that the caller may\r | |
1095 | use to further indicate the reason for the\r | |
1096 | image's exit.\r | |
1097 | \r | |
1098 | @retval EFI_INVALID_PARAMETER Invalid parameter\r | |
1099 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
1100 | @retval EFI_SUCCESS Successfully transfer control to the image's\r | |
1101 | entry point.\r | |
1102 | \r | |
1103 | **/\r | |
1104 | EFI_STATUS\r | |
1105 | EFIAPI\r | |
1106 | CoreStartImage (\r | |
1107 | IN EFI_HANDLE ImageHandle,\r | |
1108 | OUT UINTN *ExitDataSize,\r | |
1109 | OUT CHAR16 **ExitData OPTIONAL\r | |
1110 | )\r | |
1111 | {\r | |
1112 | EFI_STATUS Status;\r | |
1113 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
1114 | LOADED_IMAGE_PRIVATE_DATA *LastImage;\r | |
1115 | UINT64 HandleDatabaseKey;\r | |
1116 | UINTN SetJumpFlag;\r | |
1117 | \r | |
1118 | Image = CoreLoadedImageInfo (ImageHandle);\r | |
1119 | if (Image == NULL || Image->Started) {\r | |
1120 | return EFI_INVALID_PARAMETER;\r | |
1121 | }\r | |
1122 | \r | |
1123 | //\r | |
1124 | // Don't profile Objects or invalid start requests\r | |
1125 | //\r | |
1126 | PERF_START (ImageHandle, "StartImage:", NULL, 0);\r | |
1127 | \r | |
1128 | \r | |
1129 | //\r | |
1130 | // Push the current start image context, and\r | |
1131 | // link the current image to the head. This is the\r | |
1132 | // only image that can call Exit()\r | |
1133 | //\r | |
1134 | HandleDatabaseKey = CoreGetHandleDatabaseKey ();\r | |
1135 | LastImage = mCurrentImage;\r | |
1136 | mCurrentImage = Image;\r | |
1137 | Image->Tpl = gEfiCurrentTpl;\r | |
1138 | \r | |
1139 | //\r | |
1140 | // Set long jump for Exit() support\r | |
1141 | // JumpContext must be aligned on a CPU specific boundary.\r | |
1142 | // Overallocate the buffer and force the required alignment\r | |
1143 | //\r | |
1144 | Image->JumpBuffer = AllocatePool (sizeof (BASE_LIBRARY_JUMP_BUFFER) + BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT);\r | |
1145 | if (Image->JumpBuffer == NULL) {\r | |
1146 | PERF_END (ImageHandle, "StartImage:", NULL, 0);\r | |
1147 | return EFI_OUT_OF_RESOURCES;\r | |
1148 | }\r | |
1149 | Image->JumpContext = ALIGN_POINTER (Image->JumpBuffer, BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT);\r | |
1150 | \r | |
1151 | SetJumpFlag = SetJump (Image->JumpContext);\r | |
1152 | //\r | |
1153 | // The initial call to SetJump() must always return 0.\r | |
1154 | // Subsequent calls to LongJump() cause a non-zero value to be returned by SetJump().\r | |
1155 | //\r | |
1156 | if (SetJumpFlag == 0) {\r | |
1157 | //\r | |
1158 | // Call the image's entry point\r | |
1159 | //\r | |
1160 | Image->Started = TRUE;\r | |
1161 | Image->Status = Image->EntryPoint (ImageHandle, Image->Info.SystemTable);\r | |
1162 | \r | |
1163 | //\r | |
1164 | // Add some debug information if the image returned with error.\r | |
1165 | // This make the user aware and check if the driver image have already released\r | |
1166 | // all the resource in this situation.\r | |
1167 | //\r | |
1168 | DEBUG_CODE_BEGIN ();\r | |
1169 | if (EFI_ERROR (Image->Status)) {\r | |
1170 | DEBUG ((DEBUG_ERROR, "Error: Image at %11p start failed: %r\n", Image->Info.ImageBase, Image->Status));\r | |
1171 | }\r | |
1172 | DEBUG_CODE_END ();\r | |
1173 | \r | |
1174 | //\r | |
1175 | // If the image returns, exit it through Exit()\r | |
1176 | //\r | |
1177 | CoreExit (ImageHandle, Image->Status, 0, NULL);\r | |
1178 | }\r | |
1179 | \r | |
1180 | //\r | |
1181 | // Image has completed. Verify the tpl is the same\r | |
1182 | //\r | |
1183 | ASSERT (Image->Tpl == gEfiCurrentTpl);\r | |
1184 | CoreRestoreTpl (Image->Tpl);\r | |
1185 | \r | |
1186 | CoreFreePool (Image->JumpBuffer);\r | |
1187 | \r | |
1188 | //\r | |
1189 | // Pop the current start image context\r | |
1190 | //\r | |
1191 | mCurrentImage = LastImage;\r | |
1192 | \r | |
1193 | //\r | |
1194 | // Go connect any handles that were created or modified while the image executed.\r | |
1195 | //\r | |
1196 | CoreConnectHandlesByKey (HandleDatabaseKey);\r | |
1197 | \r | |
1198 | //\r | |
1199 | // Handle the image's returned ExitData\r | |
1200 | //\r | |
1201 | DEBUG_CODE_BEGIN ();\r | |
1202 | if (Image->ExitDataSize != 0 || Image->ExitData != NULL) {\r | |
1203 | \r | |
1204 | DEBUG ((DEBUG_LOAD, "StartImage: ExitDataSize %d, ExitData %p", (UINT32)Image->ExitDataSize, Image->ExitData));\r | |
1205 | if (Image->ExitData != NULL) {\r | |
1206 | DEBUG ((DEBUG_LOAD, " (%hs)", Image->ExitData));\r | |
1207 | }\r | |
1208 | DEBUG ((DEBUG_LOAD, "\n"));\r | |
1209 | }\r | |
1210 | DEBUG_CODE_END ();\r | |
1211 | \r | |
1212 | //\r | |
1213 | // Return the exit data to the caller\r | |
1214 | //\r | |
1215 | if (ExitData != NULL && ExitDataSize != NULL) {\r | |
1216 | *ExitDataSize = Image->ExitDataSize;\r | |
1217 | *ExitData = Image->ExitData;\r | |
1218 | } else {\r | |
1219 | //\r | |
1220 | // Caller doesn't want the exit data, free it\r | |
1221 | //\r | |
1222 | CoreFreePool (Image->ExitData);\r | |
1223 | Image->ExitData = NULL;\r | |
1224 | }\r | |
1225 | \r | |
1226 | //\r | |
1227 | // Save the Status because Image will get destroyed if it is unloaded.\r | |
1228 | //\r | |
1229 | Status = Image->Status;\r | |
1230 | \r | |
1231 | //\r | |
1232 | // If the image returned an error, or if the image is an application\r | |
1233 | // unload it\r | |
1234 | //\r | |
1235 | if (EFI_ERROR (Image->Status) || Image->Type == EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION) {\r | |
1236 | CoreUnloadAndCloseImage (Image, TRUE);\r | |
1237 | }\r | |
1238 | \r | |
1239 | //\r | |
1240 | // Done\r | |
1241 | //\r | |
1242 | PERF_END (ImageHandle, "StartImage:", NULL, 0);\r | |
1243 | return Status;\r | |
1244 | }\r | |
1245 | \r | |
1246 | /**\r | |
1247 | Terminates the currently loaded EFI image and returns control to boot services.\r | |
1248 | \r | |
1249 | @param ImageHandle Handle that identifies the image. This\r | |
1250 | parameter is passed to the image on entry.\r | |
1251 | @param Status The image's exit code.\r | |
1252 | @param ExitDataSize The size, in bytes, of ExitData. Ignored if\r | |
1253 | ExitStatus is EFI_SUCCESS.\r | |
1254 | @param ExitData Pointer to a data buffer that includes a\r | |
1255 | Null-terminated Unicode string, optionally\r | |
1256 | followed by additional binary data. The string\r | |
1257 | is a description that the caller may use to\r | |
1258 | further indicate the reason for the image's\r | |
1259 | exit.\r | |
1260 | \r | |
1261 | @retval EFI_INVALID_PARAMETER Image handle is NULL or it is not current\r | |
1262 | image.\r | |
1263 | @retval EFI_SUCCESS Successfully terminates the currently loaded\r | |
1264 | EFI image.\r | |
1265 | @retval EFI_ACCESS_DENIED Should never reach there.\r | |
1266 | @retval EFI_OUT_OF_RESOURCES Could not allocate pool\r | |
1267 | \r | |
1268 | **/\r | |
1269 | EFI_STATUS\r | |
1270 | EFIAPI\r | |
1271 | CoreExit (\r | |
1272 | IN EFI_HANDLE ImageHandle,\r | |
1273 | IN EFI_STATUS Status,\r | |
1274 | IN UINTN ExitDataSize,\r | |
1275 | IN CHAR16 *ExitData OPTIONAL\r | |
1276 | )\r | |
1277 | {\r | |
1278 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
1279 | EFI_TPL OldTpl;\r | |
1280 | \r | |
1281 | //\r | |
1282 | // Prevent possible reentrance to this function\r | |
1283 | // for the same ImageHandle\r | |
1284 | //\r | |
1285 | OldTpl = CoreRaiseTpl (TPL_NOTIFY);\r | |
1286 | \r | |
1287 | Image = CoreLoadedImageInfo (ImageHandle);\r | |
1288 | if (Image == NULL) {\r | |
1289 | Status = EFI_INVALID_PARAMETER;\r | |
1290 | goto Done;\r | |
1291 | }\r | |
1292 | \r | |
1293 | if (!Image->Started) {\r | |
1294 | //\r | |
1295 | // The image has not been started so just free its resources\r | |
1296 | //\r | |
1297 | CoreUnloadAndCloseImage (Image, TRUE);\r | |
1298 | Status = EFI_SUCCESS;\r | |
1299 | goto Done;\r | |
1300 | }\r | |
1301 | \r | |
1302 | //\r | |
1303 | // Image has been started, verify this image can exit\r | |
1304 | //\r | |
1305 | if (Image != mCurrentImage) {\r | |
1306 | DEBUG ((DEBUG_LOAD|DEBUG_ERROR, "Exit: Image is not exitable image\n"));\r | |
1307 | Status = EFI_INVALID_PARAMETER;\r | |
1308 | goto Done;\r | |
1309 | }\r | |
1310 | \r | |
1311 | //\r | |
1312 | // Set status\r | |
1313 | //\r | |
1314 | Image->Status = Status;\r | |
1315 | \r | |
1316 | //\r | |
1317 | // If there's ExitData info, move it\r | |
1318 | //\r | |
1319 | if (ExitData != NULL) {\r | |
1320 | Image->ExitDataSize = ExitDataSize;\r | |
1321 | Image->ExitData = AllocatePool (Image->ExitDataSize);\r | |
1322 | if (Image->ExitData == NULL) {\r | |
1323 | Status = EFI_OUT_OF_RESOURCES;\r | |
1324 | goto Done;\r | |
1325 | }\r | |
1326 | CopyMem (Image->ExitData, ExitData, Image->ExitDataSize);\r | |
1327 | }\r | |
1328 | \r | |
1329 | CoreRestoreTpl (OldTpl);\r | |
1330 | //\r | |
1331 | // return to StartImage\r | |
1332 | //\r | |
1333 | LongJump (Image->JumpContext, (UINTN)-1);\r | |
1334 | \r | |
1335 | //\r | |
1336 | // If we return from LongJump, then it is an error\r | |
1337 | //\r | |
1338 | ASSERT (FALSE);\r | |
1339 | Status = EFI_ACCESS_DENIED;\r | |
1340 | Done:\r | |
1341 | CoreRestoreTpl (OldTpl);\r | |
1342 | return Status;\r | |
1343 | }\r | |
1344 | \r | |
1345 | \r | |
1346 | \r | |
1347 | \r | |
1348 | /**\r | |
1349 | Unloads an image.\r | |
1350 | \r | |
1351 | @param ImageHandle Handle that identifies the image to be\r | |
1352 | unloaded.\r | |
1353 | \r | |
1354 | @retval EFI_SUCCESS The image has been unloaded.\r | |
1355 | @retval EFI_UNSUPPORTED The image has been sarted, and does not support\r | |
1356 | unload.\r | |
1357 | @retval EFI_INVALID_PARAMPETER ImageHandle is not a valid image handle.\r | |
1358 | \r | |
1359 | **/\r | |
1360 | EFI_STATUS\r | |
1361 | EFIAPI\r | |
1362 | CoreUnloadImage (\r | |
1363 | IN EFI_HANDLE ImageHandle\r | |
1364 | )\r | |
1365 | {\r | |
1366 | EFI_STATUS Status;\r | |
1367 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
1368 | \r | |
1369 | Image = CoreLoadedImageInfo (ImageHandle);\r | |
1370 | if (Image == NULL ) {\r | |
1371 | //\r | |
1372 | // The image handle is not valid\r | |
1373 | //\r | |
1374 | Status = EFI_INVALID_PARAMETER;\r | |
1375 | goto Done;\r | |
1376 | }\r | |
1377 | \r | |
1378 | if (Image->Started) {\r | |
1379 | //\r | |
1380 | // The image has been started, request it to unload.\r | |
1381 | //\r | |
1382 | Status = EFI_UNSUPPORTED;\r | |
1383 | if (Image->Info.Unload != NULL) {\r | |
1384 | Status = Image->Info.Unload (ImageHandle);\r | |
1385 | }\r | |
1386 | \r | |
1387 | } else {\r | |
1388 | //\r | |
1389 | // This Image hasn't been started, thus it can be unloaded\r | |
1390 | //\r | |
1391 | Status = EFI_SUCCESS;\r | |
1392 | }\r | |
1393 | \r | |
1394 | \r | |
1395 | if (!EFI_ERROR (Status)) {\r | |
1396 | //\r | |
1397 | // if the Image was not started or Unloaded O.K. then clean up\r | |
1398 | //\r | |
1399 | CoreUnloadAndCloseImage (Image, TRUE);\r | |
1400 | }\r | |
1401 | \r | |
1402 | Done:\r | |
1403 | return Status;\r | |
1404 | }\r | |
1405 | \r | |
1406 | \r | |
1407 | \r | |
1408 | /**\r | |
1409 | Unload the specified image.\r | |
1410 | \r | |
1411 | @param This Indicates the calling context.\r | |
1412 | @param ImageHandle The specified image handle.\r | |
1413 | \r | |
1414 | @retval EFI_INVALID_PARAMETER Image handle is NULL.\r | |
1415 | @retval EFI_UNSUPPORTED Attempt to unload an unsupported image.\r | |
1416 | @retval EFI_SUCCESS Image successfully unloaded.\r | |
1417 | \r | |
1418 | **/\r | |
1419 | EFI_STATUS\r | |
1420 | EFIAPI\r | |
1421 | CoreUnloadImageEx (\r | |
1422 | IN EFI_PE32_IMAGE_PROTOCOL *This,\r | |
1423 | IN EFI_HANDLE ImageHandle\r | |
1424 | )\r | |
1425 | {\r | |
1426 | return CoreUnloadImage (ImageHandle);\r | |
1427 | }\r |