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1 | /*++\r | |
2 | \r | |
3 | Copyright (c) 2006 - 2007, Intel Corporation\r | |
4 | All rights reserved. This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | Image.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Core image handling services\r | |
19 | \r | |
20 | --*/\r | |
21 | \r | |
22 | #include <DxeMain.h>\r | |
23 | //\r | |
24 | // Module Globals\r | |
25 | //\r | |
26 | \r | |
27 | LOADED_IMAGE_PRIVATE_DATA *mCurrentImage = NULL;\r | |
28 | \r | |
29 | LOAD_PE32_IMAGE_PRIVATE_DATA mLoadPe32PrivateData = {\r | |
30 | LOAD_PE32_IMAGE_PRIVATE_DATA_SIGNATURE,\r | |
31 | NULL,\r | |
32 | {\r | |
33 | CoreLoadImageEx,\r | |
34 | CoreUnloadImageEx\r | |
35 | }\r | |
36 | };\r | |
37 | \r | |
38 | \r | |
39 | //\r | |
40 | // This code is needed to build the Image handle for the DXE Core\r | |
41 | //\r | |
42 | LOADED_IMAGE_PRIVATE_DATA mCorePrivateImage = {\r | |
43 | LOADED_IMAGE_PRIVATE_DATA_SIGNATURE, // Signature\r | |
44 | NULL, // Image handle\r | |
45 | EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER, // Image type\r | |
46 | TRUE, // If entrypoint has been called\r | |
47 | NULL, // EntryPoint\r | |
48 | {\r | |
49 | EFI_LOADED_IMAGE_INFORMATION_REVISION, // Revision\r | |
50 | NULL, // Parent handle\r | |
51 | NULL, // System handle\r | |
52 | \r | |
53 | NULL, // Device handle\r | |
54 | NULL, // File path\r | |
55 | NULL, // Reserved\r | |
56 | \r | |
57 | 0, // LoadOptionsSize\r | |
58 | NULL, // LoadOptions\r | |
59 | \r | |
60 | NULL, // ImageBase\r | |
61 | 0, // ImageSize\r | |
62 | EfiBootServicesCode, // ImageCodeType\r | |
63 | EfiBootServicesData // ImageDataType\r | |
64 | },\r | |
65 | (EFI_PHYSICAL_ADDRESS)0, // ImageBasePage\r | |
66 | 0, // NumberOfPages\r | |
67 | NULL, // FixupData\r | |
68 | 0, // Tpl\r | |
69 | EFI_SUCCESS, // Status\r | |
70 | 0, // ExitDataSize\r | |
71 | NULL, // ExitData\r | |
72 | NULL, // JumpBuffer\r | |
73 | NULL, // JumpContext\r | |
74 | 0, // Machine\r | |
75 | NULL, // Ebc\r | |
76 | NULL, // RuntimeData\r | |
77 | NULL // LoadedImageDevicePath\r | |
78 | };\r | |
79 | \r | |
80 | \r | |
81 | EFI_STATUS\r | |
82 | CoreInitializeImageServices (\r | |
83 | IN VOID *HobStart\r | |
84 | )\r | |
85 | /*++\r | |
86 | \r | |
87 | Routine Description:\r | |
88 | \r | |
89 | Add the Image Services to EFI Boot Services Table and install the protocol\r | |
90 | interfaces for this image.\r | |
91 | \r | |
92 | Arguments:\r | |
93 | \r | |
94 | HobStart - The HOB to initialize\r | |
95 | \r | |
96 | Returns:\r | |
97 | \r | |
98 | Status code.\r | |
99 | \r | |
100 | --*/\r | |
101 | {\r | |
102 | EFI_STATUS Status;\r | |
103 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
104 | EFI_PHYSICAL_ADDRESS DxeCoreImageBaseAddress;\r | |
105 | UINT64 DxeCoreImageLength;\r | |
106 | VOID *DxeCoreEntryPoint;\r | |
107 | EFI_PEI_HOB_POINTERS DxeCoreHob;\r | |
108 | //\r | |
109 | // Searching for image hob\r | |
110 | //\r | |
111 | DxeCoreHob.Raw = HobStart;\r | |
112 | while ((DxeCoreHob.Raw = GetNextHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, DxeCoreHob.Raw)) != NULL) {\r | |
113 | if (CompareGuid (&DxeCoreHob.MemoryAllocationModule->MemoryAllocationHeader.Name, &gEfiHobMemoryAllocModuleGuid)) {\r | |
114 | //\r | |
115 | // Find Dxe Core HOB\r | |
116 | //\r | |
117 | break;\r | |
118 | }\r | |
119 | DxeCoreHob.Raw = GET_NEXT_HOB (DxeCoreHob);\r | |
120 | }\r | |
121 | ASSERT (DxeCoreHob.Raw != NULL);\r | |
122 | \r | |
123 | DxeCoreImageBaseAddress = DxeCoreHob.MemoryAllocationModule->MemoryAllocationHeader.MemoryBaseAddress;\r | |
124 | DxeCoreImageLength = DxeCoreHob.MemoryAllocationModule->MemoryAllocationHeader.MemoryLength;\r | |
125 | DxeCoreEntryPoint = (VOID *) (UINTN) DxeCoreHob.MemoryAllocationModule->EntryPoint;\r | |
126 | gDxeCoreFileName = &DxeCoreHob.MemoryAllocationModule->ModuleName;\r | |
127 | //\r | |
128 | // Initialize the fields for an internal driver\r | |
129 | //\r | |
130 | Image = &mCorePrivateImage;\r | |
131 | \r | |
132 | Image->EntryPoint = (EFI_IMAGE_ENTRY_POINT)(UINTN)DxeCoreEntryPoint;\r | |
133 | Image->ImageBasePage = DxeCoreImageBaseAddress;\r | |
134 | Image->NumberOfPages = (UINTN)(EFI_SIZE_TO_PAGES((UINTN)(DxeCoreImageLength)));\r | |
135 | Image->Tpl = gEfiCurrentTpl;\r | |
136 | Image->Info.SystemTable = gDxeCoreST;\r | |
137 | Image->Info.ImageBase = (VOID *)(UINTN)DxeCoreImageBaseAddress;\r | |
138 | Image->Info.ImageSize = DxeCoreImageLength;\r | |
139 | \r | |
140 | //\r | |
141 | // Install the protocol interfaces for this image\r | |
142 | //\r | |
143 | Status = CoreInstallProtocolInterface (\r | |
144 | &Image->Handle,\r | |
145 | &gEfiLoadedImageProtocolGuid,\r | |
146 | EFI_NATIVE_INTERFACE,\r | |
147 | &Image->Info\r | |
148 | );\r | |
149 | ASSERT_EFI_ERROR (Status);\r | |
150 | \r | |
151 | mCurrentImage = Image;\r | |
152 | \r | |
153 | //\r | |
154 | // Fill in DXE globals\r | |
155 | //\r | |
156 | gDxeCoreImageHandle = Image->Handle;\r | |
157 | gDxeCoreLoadedImage = &Image->Info;\r | |
158 | \r | |
159 | //\r | |
160 | // Export DXE Core PE Loader functionality\r | |
161 | //\r | |
162 | return CoreInstallProtocolInterface (\r | |
163 | &mLoadPe32PrivateData.Handle,\r | |
164 | &gEfiLoadPeImageProtocolGuid,\r | |
165 | EFI_NATIVE_INTERFACE,\r | |
166 | &mLoadPe32PrivateData.Pe32Image\r | |
167 | );\r | |
168 | }\r | |
169 | \r | |
170 | EFI_STATUS\r | |
171 | CoreLoadPeImage (\r | |
172 | IN BOOLEAN BootPolicy, \r | |
173 | IN VOID *Pe32Handle,\r | |
174 | IN LOADED_IMAGE_PRIVATE_DATA *Image,\r | |
175 | IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,\r | |
176 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,\r | |
177 | IN UINT32 Attribute\r | |
178 | )\r | |
179 | /*++\r | |
180 | \r | |
181 | Routine Description:\r | |
182 | \r | |
183 | Loads, relocates, and invokes a PE/COFF image\r | |
184 | \r | |
185 | Arguments:\r | |
186 | BootPolicy - If TRUE, indicates that the request originates from the boot manager,\r | |
187 | and that the boot manager is attempting to load FilePath as a boot selection.\r | |
188 | Pe32Handle - The handle of PE32 image\r | |
189 | Image - PE image to be loaded\r | |
190 | DstBuffer - The buffer to store the image\r | |
191 | EntryPoint - A pointer to the entry point\r | |
192 | Attribute - The bit mask of attributes to set for the load PE image\r | |
193 | \r | |
194 | Returns:\r | |
195 | \r | |
196 | EFI_SUCCESS - The file was loaded, relocated, and invoked\r | |
197 | \r | |
198 | EFI_OUT_OF_RESOURCES - There was not enough memory to load and relocate the PE/COFF file\r | |
199 | \r | |
200 | EFI_INVALID_PARAMETER - Invalid parameter\r | |
201 | \r | |
202 | EFI_BUFFER_TOO_SMALL - Buffer for image is too small\r | |
203 | \r | |
204 | --*/\r | |
205 | {\r | |
206 | EFI_STATUS Status;\r | |
207 | BOOLEAN DstBufAlocated;\r | |
208 | UINTN Size;\r | |
209 | UINTN LinkTimeBase;\r | |
210 | EFI_TCG_PLATFORM_PROTOCOL *TcgPlatformProtocol;\r | |
211 | IMAGE_FILE_HANDLE *FHandle;\r | |
212 | \r | |
213 | FHandle = NULL;\r | |
214 | ZeroMem (&Image->ImageContext, sizeof (Image->ImageContext));\r | |
215 | \r | |
216 | Image->ImageContext.Handle = Pe32Handle;\r | |
217 | Image->ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE)CoreReadImageFile;\r | |
218 | \r | |
219 | //\r | |
220 | // Get information about the image being loaded\r | |
221 | //\r | |
222 | Status = PeCoffLoaderGetImageInfo (&Image->ImageContext);\r | |
223 | if (EFI_ERROR (Status)) {\r | |
224 | return Status;\r | |
225 | }\r | |
226 | \r | |
227 | if (!EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Image->ImageContext.Machine)) {\r | |
228 | if (!EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED (Image->ImageContext.Machine)) {\r | |
229 | //\r | |
230 | // The PE/COFF loader can support loading image types that can be executed.\r | |
231 | // If we loaded an image type that we can not execute return EFI_UNSUPORTED.\r | |
232 | //\r | |
233 | return EFI_UNSUPPORTED;\r | |
234 | }\r | |
235 | }\r | |
236 | \r | |
237 | //\r | |
238 | // Set EFI memory type based on ImageType\r | |
239 | //\r | |
240 | switch (Image->ImageContext.ImageType) {\r | |
241 | case EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION:\r | |
242 | Image->ImageContext.ImageCodeMemoryType = EfiLoaderCode;\r | |
243 | Image->ImageContext.ImageDataMemoryType = EfiLoaderData;\r | |
244 | break;\r | |
245 | case EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER:\r | |
246 | Image->ImageContext.ImageCodeMemoryType = EfiBootServicesCode;\r | |
247 | Image->ImageContext.ImageDataMemoryType = EfiBootServicesData;\r | |
248 | break;\r | |
249 | case EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER:\r | |
250 | case EFI_IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER:\r | |
251 | Image->ImageContext.ImageCodeMemoryType = EfiRuntimeServicesCode;\r | |
252 | Image->ImageContext.ImageDataMemoryType = EfiRuntimeServicesData;\r | |
253 | break;\r | |
254 | default:\r | |
255 | Image->ImageContext.ImageError = IMAGE_ERROR_INVALID_SUBSYSTEM;\r | |
256 | return EFI_UNSUPPORTED;\r | |
257 | }\r | |
258 | //\r | |
259 | // Get the image base address in the original PeImage.\r | |
260 | //\r | |
261 | LinkTimeBase = (UINTN) Image->ImageContext.ImageAddress;\r | |
262 | \r | |
263 | //\r | |
264 | // Allocate memory of the correct memory type aligned on the required image boundry\r | |
265 | //\r | |
266 | DstBufAlocated = FALSE;\r | |
267 | if (DstBuffer == 0) {\r | |
268 | //\r | |
269 | // Allocate Destination Buffer as caller did not pass it in\r | |
270 | //\r | |
271 | \r | |
272 | if (Image->ImageContext.SectionAlignment > EFI_PAGE_SIZE) {\r | |
273 | Size = (UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment;\r | |
274 | } else {\r | |
275 | Size = (UINTN)Image->ImageContext.ImageSize;\r | |
276 | }\r | |
277 | \r | |
278 | Image->NumberOfPages = EFI_SIZE_TO_PAGES (Size);\r | |
279 | \r | |
280 | //\r | |
281 | // If the image relocations have not been stripped, then load at any address.\r | |
282 | // Otherwise load at the address at which it was linked.\r | |
283 | //\r | |
284 | // Memory below 1MB should be treated reserved for CSM and there should be\r | |
285 | // no modules whose preferred load addresses are below 1MB.\r | |
286 | //\r | |
287 | Status = EFI_OUT_OF_RESOURCES;\r | |
288 | if (Image->ImageContext.ImageAddress >= 0x100000 || Image->ImageContext.RelocationsStripped) {\r | |
289 | Status = CoreAllocatePages (\r | |
290 | AllocateAddress,\r | |
291 | (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType),\r | |
292 | Image->NumberOfPages,\r | |
293 | &Image->ImageContext.ImageAddress\r | |
294 | );\r | |
295 | }\r | |
296 | if (EFI_ERROR (Status) && !Image->ImageContext.RelocationsStripped) {\r | |
297 | Status = CoreAllocatePages (\r | |
298 | AllocateAnyPages,\r | |
299 | (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType),\r | |
300 | Image->NumberOfPages,\r | |
301 | &Image->ImageContext.ImageAddress\r | |
302 | );\r | |
303 | }\r | |
304 | if (EFI_ERROR (Status)) {\r | |
305 | return Status;\r | |
306 | }\r | |
307 | DstBufAlocated = TRUE;\r | |
308 | } else {\r | |
309 | //\r | |
310 | // Caller provided the destination buffer\r | |
311 | //\r | |
312 | \r | |
313 | if (Image->ImageContext.RelocationsStripped && (Image->ImageContext.ImageAddress != DstBuffer)) {\r | |
314 | //\r | |
315 | // If the image relocations were stripped, and the caller provided a\r | |
316 | // destination buffer address that does not match the address that the\r | |
317 | // image is linked at, then the image cannot be loaded.\r | |
318 | //\r | |
319 | return EFI_INVALID_PARAMETER;\r | |
320 | }\r | |
321 | \r | |
322 | if (Image->NumberOfPages != 0 &&\r | |
323 | Image->NumberOfPages <\r | |
324 | (EFI_SIZE_TO_PAGES ((UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment))) {\r | |
325 | Image->NumberOfPages = EFI_SIZE_TO_PAGES ((UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment);\r | |
326 | return EFI_BUFFER_TOO_SMALL;\r | |
327 | }\r | |
328 | \r | |
329 | Image->NumberOfPages = EFI_SIZE_TO_PAGES ((UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment);\r | |
330 | Image->ImageContext.ImageAddress = DstBuffer;\r | |
331 | }\r | |
332 | \r | |
333 | Image->ImageBasePage = Image->ImageContext.ImageAddress;\r | |
334 | Image->ImageContext.ImageAddress =\r | |
335 | (Image->ImageContext.ImageAddress + Image->ImageContext.SectionAlignment - 1) &\r | |
336 | ~((UINTN)Image->ImageContext.SectionAlignment - 1);\r | |
337 | \r | |
338 | //\r | |
339 | // Load the image from the file into the allocated memory\r | |
340 | //\r | |
341 | Status = PeCoffLoaderLoadImage (&Image->ImageContext);\r | |
342 | if (EFI_ERROR (Status)) {\r | |
343 | goto Done;\r | |
344 | }\r | |
345 | \r | |
346 | //\r | |
347 | // If this is a Runtime Driver, then allocate memory for the FixupData that\r | |
348 | // is used to relocate the image when SetVirtualAddressMap() is called. The\r | |
349 | // relocation is done by the Runtime AP.\r | |
350 | //\r | |
351 | if (Attribute & EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION) {\r | |
352 | if (Image->ImageContext.ImageType == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER) {\r | |
353 | Image->ImageContext.FixupData = CoreAllocateRuntimePool ((UINTN)(Image->ImageContext.FixupDataSize));\r | |
354 | if (Image->ImageContext.FixupData == NULL) {\r | |
355 | Status = EFI_OUT_OF_RESOURCES;\r | |
356 | goto Done;\r | |
357 | }\r | |
358 | }\r | |
359 | }\r | |
360 | \r | |
361 | //\r | |
362 | // Measure the image before applying fixup\r | |
363 | //\r | |
364 | Status = CoreLocateProtocol (\r | |
365 | &gEfiTcgPlatformProtocolGuid,\r | |
366 | NULL,\r | |
367 | (VOID **) &TcgPlatformProtocol\r | |
368 | );\r | |
369 | if (!EFI_ERROR (Status)) {\r | |
370 | FHandle = (IMAGE_FILE_HANDLE *) Image->ImageContext.Handle;\r | |
371 | Status = TcgPlatformProtocol->MeasurePeImage (\r | |
372 | BootPolicy,\r | |
373 | (EFI_PHYSICAL_ADDRESS) (UINTN) FHandle->Source,\r | |
374 | FHandle->SourceSize,\r | |
375 | LinkTimeBase,\r | |
376 | Image->ImageContext.ImageType,\r | |
377 | Image->Info.DeviceHandle,\r | |
378 | Image->Info.FilePath\r | |
379 | );\r | |
380 | \r | |
381 | ASSERT_EFI_ERROR (Status);\r | |
382 | }\r | |
383 | \r | |
384 | //\r | |
385 | // Relocate the image in memory\r | |
386 | //\r | |
387 | Status = PeCoffLoaderRelocateImage (&Image->ImageContext);\r | |
388 | if (EFI_ERROR (Status)) {\r | |
389 | goto Done;\r | |
390 | }\r | |
391 | \r | |
392 | //\r | |
393 | // Flush the Instruction Cache\r | |
394 | //\r | |
395 | InvalidateInstructionCacheRange ((VOID *)(UINTN)Image->ImageContext.ImageAddress, (UINTN)Image->ImageContext.ImageSize);\r | |
396 | \r | |
397 | //\r | |
398 | // Copy the machine type from the context to the image private data. This\r | |
399 | // is needed during image unload to know if we should call an EBC protocol\r | |
400 | // to unload the image.\r | |
401 | //\r | |
402 | Image->Machine = Image->ImageContext.Machine;\r | |
403 | \r | |
404 | //\r | |
405 | // Get the image entry point. If it's an EBC image, then call into the\r | |
406 | // interpreter to create a thunk for the entry point and use the returned\r | |
407 | // value for the entry point.\r | |
408 | //\r | |
409 | Image->EntryPoint = (EFI_IMAGE_ENTRY_POINT)(UINTN)Image->ImageContext.EntryPoint;\r | |
410 | if (Image->ImageContext.Machine == EFI_IMAGE_MACHINE_EBC) {\r | |
411 | //\r | |
412 | // Locate the EBC interpreter protocol\r | |
413 | //\r | |
414 | Status = CoreLocateProtocol (&gEfiEbcProtocolGuid, NULL, (VOID **)&Image->Ebc);\r | |
415 | if (EFI_ERROR(Status)) {\r | |
416 | goto Done;\r | |
417 | }\r | |
418 | \r | |
419 | //\r | |
420 | // Register a callback for flushing the instruction cache so that created\r | |
421 | // thunks can be flushed.\r | |
422 | //\r | |
423 | Status = Image->Ebc->RegisterICacheFlush (Image->Ebc, (EBC_ICACHE_FLUSH)InvalidateInstructionCacheRange);\r | |
424 | if (EFI_ERROR(Status)) {\r | |
425 | goto Done;\r | |
426 | }\r | |
427 | \r | |
428 | //\r | |
429 | // Create a thunk for the image's entry point. This will be the new\r | |
430 | // entry point for the image.\r | |
431 | //\r | |
432 | Status = Image->Ebc->CreateThunk (\r | |
433 | Image->Ebc,\r | |
434 | Image->Handle,\r | |
435 | (VOID *)(UINTN)Image->ImageContext.EntryPoint,\r | |
436 | (VOID **)&Image->EntryPoint\r | |
437 | );\r | |
438 | if (EFI_ERROR(Status)) {\r | |
439 | goto Done;\r | |
440 | }\r | |
441 | }\r | |
442 | \r | |
443 | //\r | |
444 | // Fill in the image information for the Loaded Image Protocol\r | |
445 | //\r | |
446 | Image->Type = Image->ImageContext.ImageType;\r | |
447 | Image->Info.ImageBase = (VOID *)(UINTN)Image->ImageContext.ImageAddress;\r | |
448 | Image->Info.ImageSize = Image->ImageContext.ImageSize;\r | |
449 | Image->Info.ImageCodeType = (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType);\r | |
450 | Image->Info.ImageDataType = (EFI_MEMORY_TYPE) (Image->ImageContext.ImageDataMemoryType);\r | |
451 | if (Attribute & EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION) {\r | |
452 | if (Image->ImageContext.ImageType == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER) {\r | |
453 | //\r | |
454 | // Make a list off all the RT images so we can let the RT AP know about them.\r | |
455 | //\r | |
456 | Image->RuntimeData = CoreAllocateRuntimePool (sizeof(EFI_RUNTIME_IMAGE_ENTRY));\r | |
457 | if (Image->RuntimeData == NULL) {\r | |
458 | goto Done;\r | |
459 | }\r | |
460 | Image->RuntimeData->ImageBase = Image->Info.ImageBase;\r | |
461 | Image->RuntimeData->ImageSize = (UINT64) (Image->Info.ImageSize);\r | |
462 | Image->RuntimeData->RelocationData = Image->ImageContext.FixupData;\r | |
463 | Image->RuntimeData->Handle = Image->Handle;\r | |
464 | InsertTailList (&gRuntime->ImageHead, &Image->RuntimeData->Link);\r | |
465 | }\r | |
466 | }\r | |
467 | \r | |
468 | //\r | |
469 | // Fill in the entry point of the image if it is available\r | |
470 | //\r | |
471 | if (EntryPoint != NULL) {\r | |
472 | *EntryPoint = Image->ImageContext.EntryPoint;\r | |
473 | }\r | |
474 | \r | |
475 | //\r | |
476 | // Print the load address and the PDB file name if it is available\r | |
477 | //\r | |
478 | \r | |
479 | DEBUG_CODE_BEGIN ();\r | |
480 | \r | |
481 | UINTN Index;\r | |
482 | UINTN StartIndex;\r | |
483 | CHAR8 EfiFileName[256];\r | |
484 | \r | |
485 | if (Image->ImageContext.Machine != IMAGE_FILE_MACHINE_IA64) {\r | |
486 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, \r | |
487 | "Loading driver at 0x%10p EntryPoint=0x%10p ", \r | |
488 | (VOID *)(UINTN)Image->ImageContext.ImageAddress, \r | |
489 | (VOID *)(UINTN)Image->ImageContext.EntryPoint));\r | |
490 | } else {\r | |
491 | //\r | |
492 | // For IPF Image, the real entry point should be print.\r | |
493 | // \r | |
494 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, \r | |
495 | "Loading driver at 0x%10p EntryPoint=0x%10p ", \r | |
496 | (VOID *)(UINTN)Image->ImageContext.ImageAddress, \r | |
497 | (VOID *)(UINTN)(*(UINT64 *)(UINTN)Image->ImageContext.EntryPoint)));\r | |
498 | }\r | |
499 | \r | |
500 | //\r | |
501 | // Print Module Name by Pdb file path\r | |
502 | //\r | |
503 | if (Image->ImageContext.PdbPointer != NULL) {\r | |
504 | StartIndex = 0;\r | |
505 | for (Index = 0; Image->ImageContext.PdbPointer[Index] != 0; Index++) {\r | |
506 | if (Image->ImageContext.PdbPointer[Index] == '\\') {\r | |
507 | StartIndex = Index + 1;\r | |
508 | }\r | |
509 | }\r | |
510 | //\r | |
511 | // Copy the PDB file name to our temporary string, and replace .pdb with .efi\r | |
512 | //\r | |
513 | for (Index = 0; Index < sizeof (EfiFileName); Index++) {\r | |
514 | EfiFileName[Index] = Image->ImageContext.PdbPointer[Index + StartIndex];\r | |
515 | if (EfiFileName[Index] == 0) {\r | |
516 | EfiFileName[Index] = '.';\r | |
517 | }\r | |
518 | if (EfiFileName[Index] == '.') {\r | |
519 | EfiFileName[Index + 1] = 'e';\r | |
520 | EfiFileName[Index + 2] = 'f';\r | |
521 | EfiFileName[Index + 3] = 'i';\r | |
522 | EfiFileName[Index + 4] = 0;\r | |
523 | break;\r | |
524 | }\r | |
525 | }\r | |
526 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "%a", EfiFileName)); // &Image->ImageContext.PdbPointer[StartIndex]));\r | |
527 | }\r | |
528 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "\n"));\r | |
529 | \r | |
530 | DEBUG_CODE_END ();\r | |
531 | \r | |
532 | return EFI_SUCCESS;\r | |
533 | \r | |
534 | Done:\r | |
535 | \r | |
536 | //\r | |
537 | // Free memory.\r | |
538 | //\r | |
539 | \r | |
540 | if (DstBufAlocated) {\r | |
541 | CoreFreePages (Image->ImageContext.ImageAddress, Image->NumberOfPages);\r | |
542 | }\r | |
543 | \r | |
544 | if (Image->ImageContext.FixupData != NULL) {\r | |
545 | CoreFreePool (Image->ImageContext.FixupData);\r | |
546 | }\r | |
547 | \r | |
548 | return Status;\r | |
549 | }\r | |
550 | \r | |
551 | \r | |
552 | LOADED_IMAGE_PRIVATE_DATA *\r | |
553 | CoreLoadedImageInfo (\r | |
554 | IN EFI_HANDLE ImageHandle\r | |
555 | )\r | |
556 | /*++\r | |
557 | \r | |
558 | Routine Description:\r | |
559 | \r | |
560 | Get the image's private data from its handle.\r | |
561 | \r | |
562 | Arguments:\r | |
563 | \r | |
564 | ImageHandle - The image handle\r | |
565 | \r | |
566 | Returns:\r | |
567 | \r | |
568 | Return the image private data associated with ImageHandle.\r | |
569 | \r | |
570 | --*/\r | |
571 | {\r | |
572 | EFI_STATUS Status;\r | |
573 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
574 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
575 | \r | |
576 | Status = CoreHandleProtocol (\r | |
577 | ImageHandle,\r | |
578 | &gEfiLoadedImageProtocolGuid,\r | |
579 | (VOID **)&LoadedImage\r | |
580 | );\r | |
581 | if (!EFI_ERROR (Status)) {\r | |
582 | Image = LOADED_IMAGE_PRIVATE_DATA_FROM_THIS (LoadedImage);\r | |
583 | } else {\r | |
584 | DEBUG ((EFI_D_LOAD, "CoreLoadedImageInfo: Not an ImageHandle %x\n", ImageHandle));\r | |
585 | Image = NULL;\r | |
586 | }\r | |
587 | \r | |
588 | return Image;\r | |
589 | }\r | |
590 | \r | |
591 | STATIC\r | |
592 | EFI_STATUS\r | |
593 | CoreLoadImageCommon (\r | |
594 | IN BOOLEAN BootPolicy,\r | |
595 | IN EFI_HANDLE ParentImageHandle,\r | |
596 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
597 | IN VOID *SourceBuffer OPTIONAL,\r | |
598 | IN UINTN SourceSize,\r | |
599 | IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,\r | |
600 | IN OUT UINTN *NumberOfPages OPTIONAL,\r | |
601 | OUT EFI_HANDLE *ImageHandle,\r | |
602 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,\r | |
603 | IN UINT32 Attribute\r | |
604 | )\r | |
605 | /*++\r | |
606 | \r | |
607 | Routine Description:\r | |
608 | \r | |
609 | Loads an EFI image into memory and returns a handle to the image.\r | |
610 | \r | |
611 | Arguments:\r | |
612 | \r | |
613 | BootPolicy - If TRUE, indicates that the request originates from the boot manager,\r | |
614 | and that the boot manager is attempting to load FilePath as a boot selection.\r | |
615 | ParentImageHandle - The caller's image handle.\r | |
616 | FilePath - The specific file path from which the image is loaded.\r | |
617 | SourceBuffer - If not NULL, a pointer to the memory location containing a copy of\r | |
618 | the image to be loaded.\r | |
619 | SourceSize - The size in bytes of SourceBuffer.\r | |
620 | DstBuffer - The buffer to store the image\r | |
621 | NumberOfPages - If not NULL, a pointer to the image's page number, if this number\r | |
622 | is not enough, return EFI_BUFFER_TOO_SMALL and this parameter contain\r | |
623 | the required number.\r | |
624 | ImageHandle - Pointer to the returned image handle that is created when the image\r | |
625 | is successfully loaded.\r | |
626 | EntryPoint - A pointer to the entry point\r | |
627 | Attribute - The bit mask of attributes to set for the load PE image\r | |
628 | \r | |
629 | Returns:\r | |
630 | \r | |
631 | EFI_SUCCESS - The image was loaded into memory.\r | |
632 | EFI_NOT_FOUND - The FilePath was not found.\r | |
633 | EFI_INVALID_PARAMETER - One of the parameters has an invalid value.\r | |
634 | EFI_BUFFER_TOO_SMALL - The buffer is too small\r | |
635 | EFI_UNSUPPORTED - The image type is not supported, or the device path cannot be\r | |
636 | parsed to locate the proper protocol for loading the file.\r | |
637 | EFI_OUT_OF_RESOURCES - Image was not loaded due to insufficient resources.\r | |
638 | --*/\r | |
639 | {\r | |
640 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
641 | LOADED_IMAGE_PRIVATE_DATA *ParentImage;\r | |
642 | IMAGE_FILE_HANDLE FHand;\r | |
643 | EFI_STATUS Status;\r | |
644 | EFI_STATUS SecurityStatus;\r | |
645 | EFI_HANDLE DeviceHandle;\r | |
646 | UINT32 AuthenticationStatus;\r | |
647 | EFI_DEVICE_PATH_PROTOCOL *OriginalFilePath;\r | |
648 | EFI_DEVICE_PATH_PROTOCOL *HandleFilePath;\r | |
649 | UINTN FilePathSize;\r | |
650 | \r | |
651 | SecurityStatus = EFI_SUCCESS;\r | |
652 | \r | |
653 | ASSERT (gEfiCurrentTpl < TPL_NOTIFY);\r | |
654 | ParentImage = NULL;\r | |
655 | \r | |
656 | //\r | |
657 | // The caller must pass in a valid ParentImageHandle\r | |
658 | //\r | |
659 | if (ImageHandle == NULL || ParentImageHandle == NULL) {\r | |
660 | return EFI_INVALID_PARAMETER;\r | |
661 | }\r | |
662 | \r | |
663 | ParentImage = CoreLoadedImageInfo (ParentImageHandle);\r | |
664 | if (ParentImage == NULL) {\r | |
665 | DEBUG((EFI_D_LOAD|EFI_D_ERROR, "LoadImageEx: Parent handle not an image handle\n"));\r | |
666 | return EFI_INVALID_PARAMETER;\r | |
667 | }\r | |
668 | \r | |
669 | //\r | |
670 | // Get simple read access to the source file\r | |
671 | //\r | |
672 | OriginalFilePath = FilePath;\r | |
673 | Status = CoreOpenImageFile (\r | |
674 | BootPolicy,\r | |
675 | SourceBuffer,\r | |
676 | SourceSize,\r | |
677 | &FilePath,\r | |
678 | &DeviceHandle,\r | |
679 | &FHand,\r | |
680 | &AuthenticationStatus\r | |
681 | );\r | |
682 | if (Status == EFI_ALREADY_STARTED) {\r | |
683 | Image = NULL;\r | |
684 | goto Done;\r | |
685 | } else if (EFI_ERROR (Status)) {\r | |
686 | return Status;\r | |
687 | }\r | |
688 | \r | |
689 | //\r | |
690 | // Verify the Authentication Status through the Security Architectural Protocol\r | |
691 | //\r | |
692 | if ((gSecurity != NULL) && (OriginalFilePath != NULL)) {\r | |
693 | SecurityStatus = gSecurity->FileAuthenticationState (\r | |
694 | gSecurity,\r | |
695 | AuthenticationStatus,\r | |
696 | OriginalFilePath\r | |
697 | );\r | |
698 | if (EFI_ERROR (SecurityStatus) && SecurityStatus != EFI_SECURITY_VIOLATION) {\r | |
699 | Status = SecurityStatus;\r | |
700 | Image = NULL;\r | |
701 | goto Done;\r | |
702 | }\r | |
703 | }\r | |
704 | \r | |
705 | \r | |
706 | //\r | |
707 | // Allocate a new image structure\r | |
708 | //\r | |
709 | Image = CoreAllocateZeroBootServicesPool (sizeof(LOADED_IMAGE_PRIVATE_DATA));\r | |
710 | if (Image == NULL) {\r | |
711 | return EFI_OUT_OF_RESOURCES;\r | |
712 | }\r | |
713 | \r | |
714 | //\r | |
715 | // Pull out just the file portion of the DevicePath for the LoadedImage FilePath\r | |
716 | //\r | |
717 | FilePath = OriginalFilePath;\r | |
718 | Status = CoreHandleProtocol (DeviceHandle, &gEfiDevicePathProtocolGuid, (VOID **)&HandleFilePath);\r | |
719 | if (!EFI_ERROR (Status)) {\r | |
720 | FilePathSize = CoreDevicePathSize (HandleFilePath) - sizeof(EFI_DEVICE_PATH_PROTOCOL);\r | |
721 | FilePath = (EFI_DEVICE_PATH_PROTOCOL *) ( ((UINT8 *)FilePath) + FilePathSize );\r | |
722 | }\r | |
723 | \r | |
724 | //\r | |
725 | // Initialize the fields for an internal driver\r | |
726 | //\r | |
727 | Image->Signature = LOADED_IMAGE_PRIVATE_DATA_SIGNATURE;\r | |
728 | Image->Info.SystemTable = gDxeCoreST;\r | |
729 | Image->Info.DeviceHandle = DeviceHandle;\r | |
730 | Image->Info.Revision = EFI_LOADED_IMAGE_INFORMATION_REVISION;\r | |
731 | Image->Info.FilePath = CoreDuplicateDevicePath (FilePath);\r | |
732 | Image->Info.ParentHandle = ParentImageHandle;\r | |
733 | \r | |
734 | \r | |
735 | if (NumberOfPages != NULL) {\r | |
736 | Image->NumberOfPages = *NumberOfPages ;\r | |
737 | } else {\r | |
738 | Image->NumberOfPages = 0 ;\r | |
739 | }\r | |
740 | \r | |
741 | //\r | |
742 | // Install the protocol interfaces for this image\r | |
743 | // don't fire notifications yet\r | |
744 | //\r | |
745 | Status = CoreInstallProtocolInterfaceNotify (\r | |
746 | &Image->Handle,\r | |
747 | &gEfiLoadedImageProtocolGuid,\r | |
748 | EFI_NATIVE_INTERFACE,\r | |
749 | &Image->Info,\r | |
750 | FALSE\r | |
751 | );\r | |
752 | if (EFI_ERROR (Status)) {\r | |
753 | goto Done;\r | |
754 | }\r | |
755 | \r | |
756 | //\r | |
757 | // Load the image. If EntryPoint is Null, it will not be set.\r | |
758 | //\r | |
759 | Status = CoreLoadPeImage (BootPolicy, &FHand, Image, DstBuffer, EntryPoint, Attribute);\r | |
760 | if (EFI_ERROR (Status)) {\r | |
761 | if ((Status == EFI_BUFFER_TOO_SMALL) || (Status == EFI_OUT_OF_RESOURCES)) {\r | |
762 | if (NumberOfPages != NULL) {\r | |
763 | *NumberOfPages = Image->NumberOfPages;\r | |
764 | }\r | |
765 | }\r | |
766 | goto Done;\r | |
767 | }\r | |
768 | \r | |
769 | //\r | |
770 | // Register the image in the Debug Image Info Table if the attribute is set\r | |
771 | //\r | |
772 | if (Attribute & EFI_LOAD_PE_IMAGE_ATTRIBUTE_DEBUG_IMAGE_INFO_TABLE_REGISTRATION) {\r | |
773 | CoreNewDebugImageInfoEntry (EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL, &Image->Info, Image->Handle);\r | |
774 | }\r | |
775 | \r | |
776 | //\r | |
777 | //Reinstall loaded image protocol to fire any notifications\r | |
778 | //\r | |
779 | Status = CoreReinstallProtocolInterface (\r | |
780 | Image->Handle,\r | |
781 | &gEfiLoadedImageProtocolGuid,\r | |
782 | &Image->Info,\r | |
783 | &Image->Info\r | |
784 | );\r | |
785 | if (EFI_ERROR (Status)) {\r | |
786 | goto Done;\r | |
787 | }\r | |
788 | \r | |
789 | //\r | |
790 | // If DevicePath parameter to the LoadImage() is not NULL, then make a copy of DevicePath,\r | |
791 | // otherwise Loaded Image Device Path Protocol is installed with a NULL interface pointer.\r | |
792 | //\r | |
793 | if (OriginalFilePath != NULL) {\r | |
794 | Image->LoadedImageDevicePath = CoreDuplicateDevicePath (OriginalFilePath);\r | |
795 | }\r | |
796 | \r | |
797 | //\r | |
798 | // Install Loaded Image Device Path Protocol onto the image handle of a PE/COFE image\r | |
799 | //\r | |
800 | Status = CoreInstallProtocolInterface (\r | |
801 | &Image->Handle,\r | |
802 | &gEfiLoadedImageDevicePathProtocolGuid,\r | |
803 | EFI_NATIVE_INTERFACE,\r | |
804 | Image->LoadedImageDevicePath\r | |
805 | );\r | |
806 | if (EFI_ERROR (Status)) {\r | |
807 | goto Done;\r | |
808 | }\r | |
809 | \r | |
810 | //\r | |
811 | // Success. Return the image handle\r | |
812 | //\r | |
813 | *ImageHandle = Image->Handle;\r | |
814 | \r | |
815 | Done:\r | |
816 | //\r | |
817 | // All done accessing the source file\r | |
818 | // If we allocated the Source buffer, free it\r | |
819 | //\r | |
820 | if (FHand.FreeBuffer) {\r | |
821 | CoreFreePool (FHand.Source);\r | |
822 | }\r | |
823 | \r | |
824 | //\r | |
825 | // There was an error. If there's an Image structure, free it\r | |
826 | //\r | |
827 | if (EFI_ERROR (Status)) {\r | |
828 | if (Image != NULL) {\r | |
829 | CoreUnloadAndCloseImage (Image, (BOOLEAN)(DstBuffer == 0));\r | |
830 | *ImageHandle = NULL;\r | |
831 | }\r | |
832 | } else if (EFI_ERROR (SecurityStatus)) {\r | |
833 | Status = SecurityStatus;\r | |
834 | }\r | |
835 | \r | |
836 | return Status;\r | |
837 | }\r | |
838 | \r | |
839 | \r | |
840 | \r | |
841 | EFI_STATUS\r | |
842 | EFIAPI\r | |
843 | CoreLoadImage (\r | |
844 | IN BOOLEAN BootPolicy,\r | |
845 | IN EFI_HANDLE ParentImageHandle,\r | |
846 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
847 | IN VOID *SourceBuffer OPTIONAL,\r | |
848 | IN UINTN SourceSize,\r | |
849 | OUT EFI_HANDLE *ImageHandle\r | |
850 | )\r | |
851 | /*++\r | |
852 | \r | |
853 | Routine Description:\r | |
854 | \r | |
855 | Loads an EFI image into memory and returns a handle to the image.\r | |
856 | \r | |
857 | Arguments:\r | |
858 | \r | |
859 | BootPolicy - If TRUE, indicates that the request originates from the boot manager,\r | |
860 | and that the boot manager is attempting to load FilePath as a boot selection.\r | |
861 | ParentImageHandle - The caller's image handle.\r | |
862 | FilePath - The specific file path from which the image is loaded.\r | |
863 | SourceBuffer - If not NULL, a pointer to the memory location containing a copy of\r | |
864 | the image to be loaded.\r | |
865 | SourceSize - The size in bytes of SourceBuffer.\r | |
866 | ImageHandle - Pointer to the returned image handle that is created when the image\r | |
867 | is successfully loaded.\r | |
868 | \r | |
869 | Returns:\r | |
870 | \r | |
871 | EFI_SUCCESS - The image was loaded into memory.\r | |
872 | EFI_NOT_FOUND - The FilePath was not found.\r | |
873 | EFI_INVALID_PARAMETER - One of the parameters has an invalid value.\r | |
874 | EFI_UNSUPPORTED - The image type is not supported, or the device path cannot be\r | |
875 | parsed to locate the proper protocol for loading the file.\r | |
876 | EFI_OUT_OF_RESOURCES - Image was not loaded due to insufficient resources.\r | |
877 | --*/\r | |
878 | {\r | |
879 | EFI_STATUS Status;\r | |
880 | \r | |
881 | PERF_START (NULL, "LoadImage", NULL, 0);\r | |
882 | \r | |
883 | Status = CoreLoadImageCommon (\r | |
884 | BootPolicy,\r | |
885 | ParentImageHandle,\r | |
886 | FilePath,\r | |
887 | SourceBuffer,\r | |
888 | SourceSize,\r | |
889 | (EFI_PHYSICAL_ADDRESS) (UINTN) NULL,\r | |
890 | NULL,\r | |
891 | ImageHandle,\r | |
892 | NULL,\r | |
893 | EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION | EFI_LOAD_PE_IMAGE_ATTRIBUTE_DEBUG_IMAGE_INFO_TABLE_REGISTRATION\r | |
894 | );\r | |
895 | \r | |
896 | PERF_END (NULL, "LoadImage", NULL, 0);\r | |
897 | \r | |
898 | return Status;\r | |
899 | }\r | |
900 | \r | |
901 | \r | |
902 | EFI_STATUS\r | |
903 | EFIAPI\r | |
904 | CoreLoadImageEx (\r | |
905 | IN EFI_PE32_IMAGE_PROTOCOL *This,\r | |
906 | IN EFI_HANDLE ParentImageHandle,\r | |
907 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
908 | IN VOID *SourceBuffer OPTIONAL,\r | |
909 | IN UINTN SourceSize,\r | |
910 | IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,\r | |
911 | OUT UINTN *NumberOfPages OPTIONAL,\r | |
912 | OUT EFI_HANDLE *ImageHandle,\r | |
913 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,\r | |
914 | IN UINT32 Attribute\r | |
915 | )\r | |
916 | /*++\r | |
917 | \r | |
918 | Routine Description:\r | |
919 | \r | |
920 | Loads an EFI image into memory and returns a handle to the image with extended parameters.\r | |
921 | \r | |
922 | Arguments:\r | |
923 | \r | |
924 | This - Calling context\r | |
925 | ParentImageHandle - The caller's image handle.\r | |
926 | FilePath - The specific file path from which the image is loaded.\r | |
927 | SourceBuffer - If not NULL, a pointer to the memory location containing a copy of\r | |
928 | the image to be loaded.\r | |
929 | SourceSize - The size in bytes of SourceBuffer.\r | |
930 | DstBuffer - The buffer to store the image.\r | |
931 | NumberOfPages - For input, specifies the space size of the image by caller if not NULL.\r | |
932 | For output, specifies the actual space size needed.\r | |
933 | ImageHandle - Image handle for output.\r | |
934 | EntryPoint - Image entry point for output.\r | |
935 | Attribute - The bit mask of attributes to set for the load PE image.\r | |
936 | \r | |
937 | Returns:\r | |
938 | \r | |
939 | EFI_SUCCESS - The image was loaded into memory.\r | |
940 | EFI_NOT_FOUND - The FilePath was not found.\r | |
941 | EFI_INVALID_PARAMETER - One of the parameters has an invalid value.\r | |
942 | EFI_UNSUPPORTED - The image type is not supported, or the device path cannot be\r | |
943 | parsed to locate the proper protocol for loading the file.\r | |
944 | EFI_OUT_OF_RESOURCES - Image was not loaded due to insufficient resources.\r | |
945 | --*/\r | |
946 | {\r | |
947 | return CoreLoadImageCommon (\r | |
948 | TRUE,\r | |
949 | ParentImageHandle,\r | |
950 | FilePath,\r | |
951 | SourceBuffer,\r | |
952 | SourceSize,\r | |
953 | DstBuffer,\r | |
954 | NumberOfPages,\r | |
955 | ImageHandle,\r | |
956 | EntryPoint,\r | |
957 | Attribute\r | |
958 | );\r | |
959 | }\r | |
960 | \r | |
961 | EFI_STATUS\r | |
962 | EFIAPI\r | |
963 | CoreStartImage (\r | |
964 | IN EFI_HANDLE ImageHandle,\r | |
965 | OUT UINTN *ExitDataSize,\r | |
966 | OUT CHAR16 **ExitData OPTIONAL\r | |
967 | )\r | |
968 | /*++\r | |
969 | \r | |
970 | Routine Description:\r | |
971 | \r | |
972 | Transfer control to a loaded image's entry point.\r | |
973 | \r | |
974 | Arguments:\r | |
975 | \r | |
976 | ImageHandle - Handle of image to be started.\r | |
977 | \r | |
978 | ExitDataSize - Pointer of the size to ExitData\r | |
979 | \r | |
980 | ExitData - Pointer to a pointer to a data buffer that includes a Null-terminated\r | |
981 | Unicode string, optionally followed by additional binary data. The string\r | |
982 | is a description that the caller may use to further indicate the reason for\r | |
983 | the image's exit.\r | |
984 | \r | |
985 | Returns:\r | |
986 | \r | |
987 | EFI_INVALID_PARAMETER - Invalid parameter\r | |
988 | \r | |
989 | EFI_OUT_OF_RESOURCES - No enough buffer to allocate\r | |
990 | \r | |
991 | EFI_SUCCESS - Successfully transfer control to the image's entry point.\r | |
992 | \r | |
993 | --*/\r | |
994 | {\r | |
995 | EFI_STATUS Status;\r | |
996 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
997 | LOADED_IMAGE_PRIVATE_DATA *LastImage;\r | |
998 | UINT64 HandleDatabaseKey;\r | |
999 | UINTN SetJumpFlag;\r | |
1000 | \r | |
1001 | Image = CoreLoadedImageInfo (ImageHandle);\r | |
1002 | if (Image == NULL_HANDLE || Image->Started) {\r | |
1003 | return EFI_INVALID_PARAMETER;\r | |
1004 | }\r | |
1005 | \r | |
1006 | //\r | |
1007 | // Don't profile Objects or invalid start requests\r | |
1008 | //\r | |
1009 | PERF_START (ImageHandle, START_IMAGE_TOK, NULL, 0);\r | |
1010 | \r | |
1011 | \r | |
1012 | //\r | |
1013 | // Push the current start image context, and\r | |
1014 | // link the current image to the head. This is the\r | |
1015 | // only image that can call Exit()\r | |
1016 | //\r | |
1017 | HandleDatabaseKey = CoreGetHandleDatabaseKey ();\r | |
1018 | LastImage = mCurrentImage;\r | |
1019 | mCurrentImage = Image;\r | |
1020 | Image->Tpl = gEfiCurrentTpl;\r | |
1021 | \r | |
1022 | //\r | |
1023 | // Set long jump for Exit() support\r | |
1024 | // JumpContext must be aligned on a CPU specific boundary.\r | |
1025 | // Overallocate the buffer and force the required alignment\r | |
1026 | //\r | |
1027 | Image->JumpBuffer = CoreAllocateBootServicesPool (sizeof (BASE_LIBRARY_JUMP_BUFFER) + BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT);\r | |
1028 | if (Image->JumpBuffer == NULL) {\r | |
1029 | PERF_END (ImageHandle, START_IMAGE_TOK, NULL, 0);\r | |
1030 | return EFI_OUT_OF_RESOURCES;\r | |
1031 | }\r | |
1032 | Image->JumpContext = ALIGN_POINTER (Image->JumpBuffer, BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT);\r | |
1033 | \r | |
1034 | SetJumpFlag = SetJump (Image->JumpContext);\r | |
1035 | //\r | |
1036 | // The initial call to SetJump() must always return 0.\r | |
1037 | // Subsequent calls to LongJump() cause a non-zero value to be returned by SetJump().\r | |
1038 | //\r | |
1039 | if (!SetJumpFlag) {\r | |
1040 | //\r | |
1041 | // Call the image's entry point\r | |
1042 | //\r | |
1043 | Image->Started = TRUE;\r | |
1044 | Image->Status = Image->EntryPoint (ImageHandle, Image->Info.SystemTable);\r | |
1045 | \r | |
1046 | //\r | |
1047 | // Add some debug information if the image returned with error.\r | |
1048 | // This make the user aware and check if the driver image have already released\r | |
1049 | // all the resource in this situation.\r | |
1050 | //\r | |
1051 | DEBUG_CODE_BEGIN ();\r | |
1052 | if (EFI_ERROR (Image->Status)) {\r | |
1053 | DEBUG ((EFI_D_ERROR, "Error: Image at %10p start failed: %r\n", Image->Info.ImageBase, Image->Status));\r | |
1054 | }\r | |
1055 | DEBUG_CODE_END ();\r | |
1056 | \r | |
1057 | //\r | |
1058 | // If the image returns, exit it through Exit()\r | |
1059 | //\r | |
1060 | CoreExit (ImageHandle, Image->Status, 0, NULL);\r | |
1061 | }\r | |
1062 | \r | |
1063 | //\r | |
1064 | // Image has completed. Verify the tpl is the same\r | |
1065 | //\r | |
1066 | ASSERT (Image->Tpl == gEfiCurrentTpl);\r | |
1067 | CoreRestoreTpl (Image->Tpl);\r | |
1068 | \r | |
1069 | CoreFreePool (Image->JumpBuffer);\r | |
1070 | \r | |
1071 | //\r | |
1072 | // Pop the current start image context\r | |
1073 | //\r | |
1074 | mCurrentImage = LastImage;\r | |
1075 | \r | |
1076 | //\r | |
1077 | // Go connect any handles that were created or modified while the image executed.\r | |
1078 | //\r | |
1079 | CoreConnectHandlesByKey (HandleDatabaseKey);\r | |
1080 | \r | |
1081 | //\r | |
1082 | // Handle the image's returned ExitData\r | |
1083 | //\r | |
1084 | DEBUG_CODE_BEGIN ();\r | |
1085 | if (Image->ExitDataSize != 0 || Image->ExitData != NULL) {\r | |
1086 | \r | |
1087 | DEBUG (\r | |
1088 | (EFI_D_LOAD,\r | |
1089 | "StartImage: ExitDataSize %d, ExitData %x",\r | |
1090 | Image->ExitDataSize,\r | |
1091 | Image->ExitData)\r | |
1092 | );\r | |
1093 | if (Image->ExitData != NULL) {\r | |
1094 | DEBUG ((EFI_D_LOAD, " (%hs)", Image->ExitData));\r | |
1095 | }\r | |
1096 | DEBUG ((EFI_D_LOAD, "\n"));\r | |
1097 | }\r | |
1098 | DEBUG_CODE_END ();\r | |
1099 | \r | |
1100 | //\r | |
1101 | // Return the exit data to the caller\r | |
1102 | //\r | |
1103 | if (ExitData != NULL && ExitDataSize != NULL) {\r | |
1104 | *ExitDataSize = Image->ExitDataSize;\r | |
1105 | *ExitData = Image->ExitData;\r | |
1106 | } else {\r | |
1107 | //\r | |
1108 | // Caller doesn't want the exit data, free it\r | |
1109 | //\r | |
1110 | CoreFreePool (Image->ExitData);\r | |
1111 | Image->ExitData = NULL;\r | |
1112 | }\r | |
1113 | \r | |
1114 | //\r | |
1115 | // Save the Status because Image will get destroyed if it is unloaded.\r | |
1116 | //\r | |
1117 | Status = Image->Status;\r | |
1118 | \r | |
1119 | //\r | |
1120 | // If the image returned an error, or if the image is an application\r | |
1121 | // unload it\r | |
1122 | //\r | |
1123 | if (EFI_ERROR (Image->Status) || Image->Type == EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION) {\r | |
1124 | CoreUnloadAndCloseImage (Image, TRUE);\r | |
1125 | }\r | |
1126 | \r | |
1127 | //\r | |
1128 | // Done\r | |
1129 | //\r | |
1130 | PERF_END (ImageHandle, START_IMAGE_TOK, NULL, 0);\r | |
1131 | return Status;\r | |
1132 | }\r | |
1133 | \r | |
1134 | \r | |
1135 | VOID\r | |
1136 | CoreUnloadAndCloseImage (\r | |
1137 | IN LOADED_IMAGE_PRIVATE_DATA *Image,\r | |
1138 | IN BOOLEAN FreePage\r | |
1139 | )\r | |
1140 | /*++\r | |
1141 | \r | |
1142 | Routine Description:\r | |
1143 | \r | |
1144 | Unloads EFI image from memory.\r | |
1145 | \r | |
1146 | Arguments:\r | |
1147 | \r | |
1148 | Image - EFI image\r | |
1149 | FreePage - Free allocated pages\r | |
1150 | \r | |
1151 | Returns:\r | |
1152 | \r | |
1153 | None\r | |
1154 | \r | |
1155 | --*/\r | |
1156 | {\r | |
1157 | EFI_STATUS Status;\r | |
1158 | UINTN HandleCount;\r | |
1159 | EFI_HANDLE *HandleBuffer;\r | |
1160 | UINTN HandleIndex;\r | |
1161 | EFI_GUID **ProtocolGuidArray;\r | |
1162 | UINTN ArrayCount;\r | |
1163 | UINTN ProtocolIndex;\r | |
1164 | EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfo;\r | |
1165 | UINTN OpenInfoCount;\r | |
1166 | UINTN OpenInfoIndex;\r | |
1167 | \r | |
1168 | if (Image->Ebc != NULL) {\r | |
1169 | //\r | |
1170 | // If EBC protocol exists we must perform cleanups for this image.\r | |
1171 | //\r | |
1172 | Image->Ebc->UnloadImage (Image->Ebc, Image->Handle);\r | |
1173 | }\r | |
1174 | \r | |
1175 | //\r | |
1176 | // Unload image, free Image->ImageContext->ModHandle\r | |
1177 | //\r | |
1178 | PeCoffLoaderUnloadImage (&Image->ImageContext);\r | |
1179 | \r | |
1180 | //\r | |
1181 | // Free our references to the image handle\r | |
1182 | //\r | |
1183 | if (Image->Handle != NULL_HANDLE) {\r | |
1184 | \r | |
1185 | Status = CoreLocateHandleBuffer (\r | |
1186 | AllHandles,\r | |
1187 | NULL,\r | |
1188 | NULL,\r | |
1189 | &HandleCount,\r | |
1190 | &HandleBuffer\r | |
1191 | );\r | |
1192 | if (!EFI_ERROR (Status)) {\r | |
1193 | for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {\r | |
1194 | Status = CoreProtocolsPerHandle (\r | |
1195 | HandleBuffer[HandleIndex],\r | |
1196 | &ProtocolGuidArray,\r | |
1197 | &ArrayCount\r | |
1198 | );\r | |
1199 | if (!EFI_ERROR (Status)) {\r | |
1200 | for (ProtocolIndex = 0; ProtocolIndex < ArrayCount; ProtocolIndex++) {\r | |
1201 | Status = CoreOpenProtocolInformation (\r | |
1202 | HandleBuffer[HandleIndex],\r | |
1203 | ProtocolGuidArray[ProtocolIndex],\r | |
1204 | &OpenInfo,\r | |
1205 | &OpenInfoCount\r | |
1206 | );\r | |
1207 | if (!EFI_ERROR (Status)) {\r | |
1208 | for (OpenInfoIndex = 0; OpenInfoIndex < OpenInfoCount; OpenInfoIndex++) {\r | |
1209 | if (OpenInfo[OpenInfoIndex].AgentHandle == Image->Handle) {\r | |
1210 | Status = CoreCloseProtocol (\r | |
1211 | HandleBuffer[HandleIndex],\r | |
1212 | ProtocolGuidArray[ProtocolIndex],\r | |
1213 | Image->Handle,\r | |
1214 | OpenInfo[OpenInfoIndex].ControllerHandle\r | |
1215 | );\r | |
1216 | }\r | |
1217 | }\r | |
1218 | if (OpenInfo != NULL) {\r | |
1219 | CoreFreePool(OpenInfo);\r | |
1220 | }\r | |
1221 | }\r | |
1222 | }\r | |
1223 | if (ProtocolGuidArray != NULL) {\r | |
1224 | CoreFreePool(ProtocolGuidArray);\r | |
1225 | }\r | |
1226 | }\r | |
1227 | }\r | |
1228 | if (HandleBuffer != NULL) {\r | |
1229 | CoreFreePool (HandleBuffer);\r | |
1230 | }\r | |
1231 | }\r | |
1232 | \r | |
1233 | CoreRemoveDebugImageInfoEntry (Image->Handle);\r | |
1234 | \r | |
1235 | Status = CoreUninstallProtocolInterface (\r | |
1236 | Image->Handle,\r | |
1237 | &gEfiLoadedImageDevicePathProtocolGuid,\r | |
1238 | Image->LoadedImageDevicePath\r | |
1239 | );\r | |
1240 | \r | |
1241 | Status = CoreUninstallProtocolInterface (\r | |
1242 | Image->Handle,\r | |
1243 | &gEfiLoadedImageProtocolGuid,\r | |
1244 | &Image->Info\r | |
1245 | );\r | |
1246 | \r | |
1247 | }\r | |
1248 | \r | |
1249 | if (Image->RuntimeData != NULL) {\r | |
1250 | if (Image->RuntimeData->Link.ForwardLink != NULL) {\r | |
1251 | //\r | |
1252 | // Remove the Image from the Runtime Image list as we are about to Free it!\r | |
1253 | //\r | |
1254 | RemoveEntryList (&Image->RuntimeData->Link);\r | |
1255 | }\r | |
1256 | CoreFreePool (Image->RuntimeData);\r | |
1257 | }\r | |
1258 | \r | |
1259 | //\r | |
1260 | // Free the Image from memory\r | |
1261 | //\r | |
1262 | if ((Image->ImageBasePage != 0) && FreePage) {\r | |
1263 | CoreFreePages (Image->ImageBasePage, Image->NumberOfPages);\r | |
1264 | }\r | |
1265 | \r | |
1266 | //\r | |
1267 | // Done with the Image structure\r | |
1268 | //\r | |
1269 | if (Image->Info.FilePath != NULL) {\r | |
1270 | CoreFreePool (Image->Info.FilePath);\r | |
1271 | }\r | |
1272 | \r | |
1273 | if (Image->LoadedImageDevicePath != NULL) {\r | |
1274 | CoreFreePool (Image->LoadedImageDevicePath);\r | |
1275 | }\r | |
1276 | \r | |
1277 | if (Image->FixupData != NULL) {\r | |
1278 | CoreFreePool (Image->FixupData);\r | |
1279 | }\r | |
1280 | \r | |
1281 | CoreFreePool (Image);\r | |
1282 | }\r | |
1283 | \r | |
1284 | \r | |
1285 | \r | |
1286 | EFI_STATUS\r | |
1287 | EFIAPI\r | |
1288 | CoreExit (\r | |
1289 | IN EFI_HANDLE ImageHandle,\r | |
1290 | IN EFI_STATUS Status,\r | |
1291 | IN UINTN ExitDataSize,\r | |
1292 | IN CHAR16 *ExitData OPTIONAL\r | |
1293 | )\r | |
1294 | /*++\r | |
1295 | \r | |
1296 | Routine Description:\r | |
1297 | \r | |
1298 | Terminates the currently loaded EFI image and returns control to boot services.\r | |
1299 | \r | |
1300 | Arguments:\r | |
1301 | \r | |
1302 | ImageHandle - Handle that identifies the image. This parameter is passed to the image\r | |
1303 | on entry.\r | |
1304 | Status - The image's exit code.\r | |
1305 | ExitDataSize - The size, in bytes, of ExitData. Ignored if ExitStatus is\r | |
1306 | EFI_SUCCESS.\r | |
1307 | ExitData - Pointer to a data buffer that includes a Null-terminated Unicode string,\r | |
1308 | optionally followed by additional binary data. The string is a\r | |
1309 | description that the caller may use to further indicate the reason for\r | |
1310 | the image's exit.\r | |
1311 | \r | |
1312 | Returns:\r | |
1313 | \r | |
1314 | EFI_INVALID_PARAMETER - Image handle is NULL or it is not current image.\r | |
1315 | \r | |
1316 | EFI_SUCCESS - Successfully terminates the currently loaded EFI image.\r | |
1317 | \r | |
1318 | EFI_ACCESS_DENIED - Should never reach there.\r | |
1319 | \r | |
1320 | EFI_OUT_OF_RESOURCES - Could not allocate pool\r | |
1321 | \r | |
1322 | --*/\r | |
1323 | {\r | |
1324 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
1325 | EFI_TPL OldTpl;\r | |
1326 | \r | |
1327 | //\r | |
1328 | // Prevent possible reentrance to this function\r | |
1329 | // for the same ImageHandle\r | |
1330 | // \r | |
1331 | OldTpl = CoreRaiseTpl (TPL_NOTIFY); \r | |
1332 | \r | |
1333 | Image = CoreLoadedImageInfo (ImageHandle);\r | |
1334 | if (Image == NULL_HANDLE) {\r | |
1335 | Status = EFI_INVALID_PARAMETER;\r | |
1336 | goto Done;\r | |
1337 | }\r | |
1338 | \r | |
1339 | if (!Image->Started) {\r | |
1340 | //\r | |
1341 | // The image has not been started so just free its resources\r | |
1342 | //\r | |
1343 | CoreUnloadAndCloseImage (Image, TRUE);\r | |
1344 | Status = EFI_SUCCESS;\r | |
1345 | goto Done;\r | |
1346 | }\r | |
1347 | \r | |
1348 | //\r | |
1349 | // Image has been started, verify this image can exit\r | |
1350 | //\r | |
1351 | if (Image != mCurrentImage) {\r | |
1352 | DEBUG ((EFI_D_LOAD|EFI_D_ERROR, "Exit: Image is not exitable image\n"));\r | |
1353 | Status = EFI_INVALID_PARAMETER;\r | |
1354 | goto Done;\r | |
1355 | }\r | |
1356 | \r | |
1357 | //\r | |
1358 | // Set status\r | |
1359 | //\r | |
1360 | Image->Status = Status;\r | |
1361 | \r | |
1362 | //\r | |
1363 | // If there's ExitData info, move it\r | |
1364 | //\r | |
1365 | if (ExitData != NULL) {\r | |
1366 | Image->ExitDataSize = ExitDataSize;\r | |
1367 | Image->ExitData = CoreAllocateBootServicesPool (Image->ExitDataSize);\r | |
1368 | if (Image->ExitData == NULL) {\r | |
1369 | Status = EFI_OUT_OF_RESOURCES;\r | |
1370 | goto Done;\r | |
1371 | }\r | |
1372 | CopyMem (Image->ExitData, ExitData, Image->ExitDataSize);\r | |
1373 | }\r | |
1374 | \r | |
1375 | CoreRestoreTpl (OldTpl);\r | |
1376 | //\r | |
1377 | // return to StartImage\r | |
1378 | //\r | |
1379 | LongJump (Image->JumpContext, (UINTN)-1);\r | |
1380 | \r | |
1381 | //\r | |
1382 | // If we return from LongJump, then it is an error\r | |
1383 | //\r | |
1384 | ASSERT (FALSE);\r | |
1385 | Status = EFI_ACCESS_DENIED;\r | |
1386 | Done:\r | |
1387 | CoreRestoreTpl (OldTpl);\r | |
1388 | return Status;\r | |
1389 | }\r | |
1390 | \r | |
1391 | \r | |
1392 | \r | |
1393 | EFI_STATUS\r | |
1394 | EFIAPI\r | |
1395 | CoreUnloadImage (\r | |
1396 | IN EFI_HANDLE ImageHandle\r | |
1397 | )\r | |
1398 | /*++\r | |
1399 | \r | |
1400 | Routine Description:\r | |
1401 | \r | |
1402 | Unloads an image.\r | |
1403 | \r | |
1404 | Arguments:\r | |
1405 | \r | |
1406 | ImageHandle - Handle that identifies the image to be unloaded.\r | |
1407 | \r | |
1408 | Returns:\r | |
1409 | \r | |
1410 | EFI_SUCCESS - The image has been unloaded.\r | |
1411 | EFI_UNSUPPORTED - The image has been sarted, and does not support unload.\r | |
1412 | EFI_INVALID_PARAMPETER - ImageHandle is not a valid image handle.\r | |
1413 | \r | |
1414 | --*/\r | |
1415 | {\r | |
1416 | EFI_STATUS Status;\r | |
1417 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
1418 | EFI_TPL OldTpl;\r | |
1419 | \r | |
1420 | //\r | |
1421 | // Prevent possible reentrance to this function\r | |
1422 | // for the same ImageHandle\r | |
1423 | // \r | |
1424 | OldTpl = CoreRaiseTpl (TPL_NOTIFY);\r | |
1425 | \r | |
1426 | Image = CoreLoadedImageInfo (ImageHandle);\r | |
1427 | if (Image == NULL ) {\r | |
1428 | //\r | |
1429 | // The image handle is not valid\r | |
1430 | //\r | |
1431 | Status = EFI_INVALID_PARAMETER;\r | |
1432 | goto Done;\r | |
1433 | }\r | |
1434 | \r | |
1435 | if (Image->Started) {\r | |
1436 | //\r | |
1437 | // The image has been started, request it to unload.\r | |
1438 | //\r | |
1439 | Status = EFI_UNSUPPORTED;\r | |
1440 | if (Image->Info.Unload != NULL) {\r | |
1441 | Status = Image->Info.Unload (ImageHandle);\r | |
1442 | }\r | |
1443 | \r | |
1444 | } else {\r | |
1445 | //\r | |
1446 | // This Image hasn't been started, thus it can be unloaded\r | |
1447 | //\r | |
1448 | Status = EFI_SUCCESS;\r | |
1449 | }\r | |
1450 | \r | |
1451 | \r | |
1452 | if (!EFI_ERROR (Status)) {\r | |
1453 | //\r | |
1454 | // if the Image was not started or Unloaded O.K. then clean up\r | |
1455 | //\r | |
1456 | CoreUnloadAndCloseImage (Image, TRUE);\r | |
1457 | }\r | |
1458 | \r | |
1459 | Done:\r | |
1460 | CoreRestoreTpl (OldTpl);\r | |
1461 | return Status;\r | |
1462 | }\r | |
1463 | \r | |
1464 | \r | |
1465 | EFI_STATUS\r | |
1466 | EFIAPI\r | |
1467 | CoreUnloadImageEx (\r | |
1468 | IN EFI_PE32_IMAGE_PROTOCOL *This,\r | |
1469 | IN EFI_HANDLE ImageHandle\r | |
1470 | )\r | |
1471 | /*++\r | |
1472 | \r | |
1473 | Routine Description:\r | |
1474 | \r | |
1475 | Unload the specified image.\r | |
1476 | \r | |
1477 | Arguments:\r | |
1478 | \r | |
1479 | This - Indicates the calling context.\r | |
1480 | \r | |
1481 | ImageHandle - The specified image handle.\r | |
1482 | \r | |
1483 | Returns:\r | |
1484 | \r | |
1485 | EFI_INVALID_PARAMETER - Image handle is NULL.\r | |
1486 | \r | |
1487 | EFI_UNSUPPORTED - Attempt to unload an unsupported image.\r | |
1488 | \r | |
1489 | EFI_SUCCESS - Image successfully unloaded.\r | |
1490 | \r | |
1491 | --*/\r | |
1492 | {\r | |
1493 | return CoreUnloadImage (ImageHandle);\r | |
1494 | }\r |