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23c98c94 | 1 | /** @file\r |
504214c4 LG |
2 | Core image handling services to load and unload PeImage.\r |
3 | \r | |
d0e92aad | 4 | Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>\r |
cd5ebaa0 | 5 | This program and the accompanying materials\r |
28a00297 | 6 | are licensed and made available under the terms and conditions of the BSD License\r |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
504214c4 | 13 | **/\r |
28a00297 | 14 | \r |
9c4ac31c | 15 | #include "DxeMain.h"\r |
ec90508b | 16 | #include "Image.h"\r |
17 | \r | |
28a00297 | 18 | //\r |
19 | // Module Globals\r | |
20 | //\r | |
28a00297 | 21 | LOADED_IMAGE_PRIVATE_DATA *mCurrentImage = NULL;\r |
22 | \r | |
023c0fec | 23 | LOAD_PE32_IMAGE_PRIVATE_DATA mLoadPe32PrivateData = {\r |
24 | LOAD_PE32_IMAGE_PRIVATE_DATA_SIGNATURE,\r | |
25 | NULL,\r | |
26 | {\r | |
27 | CoreLoadImageEx,\r | |
28 | CoreUnloadImageEx\r | |
29 | }\r | |
30 | };\r | |
31 | \r | |
28a00297 | 32 | \r |
33 | //\r | |
34 | // This code is needed to build the Image handle for the DXE Core\r | |
35 | //\r | |
36 | LOADED_IMAGE_PRIVATE_DATA mCorePrivateImage = {\r | |
37 | LOADED_IMAGE_PRIVATE_DATA_SIGNATURE, // Signature\r | |
38 | NULL, // Image handle\r | |
39 | EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER, // Image type\r | |
40 | TRUE, // If entrypoint has been called\r | |
41 | NULL, // EntryPoint\r | |
42 | {\r | |
43 | EFI_LOADED_IMAGE_INFORMATION_REVISION, // Revision\r | |
44 | NULL, // Parent handle\r | |
45 | NULL, // System handle\r | |
46 | \r | |
47 | NULL, // Device handle\r | |
48 | NULL, // File path\r | |
49 | NULL, // Reserved\r | |
50 | \r | |
51 | 0, // LoadOptionsSize\r | |
52 | NULL, // LoadOptions\r | |
53 | \r | |
54 | NULL, // ImageBase\r | |
55 | 0, // ImageSize\r | |
56 | EfiBootServicesCode, // ImageCodeType\r | |
57 | EfiBootServicesData // ImageDataType\r | |
58 | },\r | |
59 | (EFI_PHYSICAL_ADDRESS)0, // ImageBasePage\r | |
60 | 0, // NumberOfPages\r | |
61 | NULL, // FixupData\r | |
62 | 0, // Tpl\r | |
63 | EFI_SUCCESS, // Status\r | |
64 | 0, // ExitDataSize\r | |
65 | NULL, // ExitData\r | |
66 | NULL, // JumpBuffer\r | |
67 | NULL, // JumpContext\r | |
68 | 0, // Machine\r | |
69 | NULL, // Ebc\r | |
70 | NULL, // RuntimeData\r | |
ba39e316 | 71 | NULL // LoadedImageDevicePath\r |
28a00297 | 72 | };\r |
54ea99a7 | 73 | //\r |
74 | // The field is define for Loading modules at fixed address feature to tracker the PEI code\r | |
75 | // memory range usage. It is a bit mapped array in which every bit indicates the correspoding memory page\r | |
76 | // available or not. \r | |
77 | //\r | |
78 | GLOBAL_REMOVE_IF_UNREFERENCED UINT64 *mDxeCodeMemoryRangeUsageBitMap=NULL;\r | |
28a00297 | 79 | \r |
60c0073f LG |
80 | typedef struct {\r |
81 | UINT16 MachineType;\r | |
82 | CHAR16 *MachineTypeName;\r | |
83 | } MACHINE_TYPE_INFO;\r | |
84 | \r | |
85 | //\r | |
86 | // EBC machine is not listed in this table, because EBC is in the default supported scopes of other machine type.\r | |
87 | //\r | |
88 | GLOBAL_REMOVE_IF_UNREFERENCED MACHINE_TYPE_INFO mMachineTypeInfo[] = {\r | |
89 | {EFI_IMAGE_MACHINE_IA32, L"IA32"},\r | |
90 | {EFI_IMAGE_MACHINE_IA64, L"IA64"},\r | |
91 | {EFI_IMAGE_MACHINE_X64, L"X64"},\r | |
92 | {EFI_IMAGE_MACHINE_ARMTHUMB_MIXED, L"ARM"}\r | |
93 | };\r | |
94 | \r | |
95 | UINT16 mDxeCoreImageMachineType = 0;\r | |
96 | \r | |
97 | /**\r | |
98 | Return machine type name.\r | |
99 | \r | |
100 | @param MachineType The machine type\r | |
101 | \r | |
102 | @return machine type name\r | |
103 | **/\r | |
104 | CHAR16 *\r | |
105 | GetMachineTypeName (\r | |
106 | UINT16 MachineType\r | |
107 | )\r | |
108 | {\r | |
109 | UINTN Index;\r | |
110 | \r | |
111 | for (Index = 0; Index < sizeof(mMachineTypeInfo)/sizeof(mMachineTypeInfo[0]); Index++) {\r | |
112 | if (mMachineTypeInfo[Index].MachineType == MachineType) {\r | |
113 | return mMachineTypeInfo[Index].MachineTypeName;\r | |
114 | }\r | |
115 | }\r | |
116 | \r | |
117 | return L"<Unknown>";\r | |
118 | }\r | |
119 | \r | |
162ed594 | 120 | /**\r |
28a00297 | 121 | Add the Image Services to EFI Boot Services Table and install the protocol\r |
122 | interfaces for this image.\r | |
123 | \r | |
57d6f36d | 124 | @param HobStart The HOB to initialize\r |
28a00297 | 125 | \r |
162ed594 | 126 | @return Status code.\r |
28a00297 | 127 | \r |
162ed594 | 128 | **/\r |
129 | EFI_STATUS\r | |
130 | CoreInitializeImageServices (\r | |
131 | IN VOID *HobStart\r | |
132 | )\r | |
28a00297 | 133 | {\r |
134 | EFI_STATUS Status;\r | |
135 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
136 | EFI_PHYSICAL_ADDRESS DxeCoreImageBaseAddress;\r | |
137 | UINT64 DxeCoreImageLength;\r | |
138 | VOID *DxeCoreEntryPoint;\r | |
139 | EFI_PEI_HOB_POINTERS DxeCoreHob;\r | |
b43619d0 | 140 | \r |
28a00297 | 141 | //\r |
142 | // Searching for image hob\r | |
143 | //\r | |
144 | DxeCoreHob.Raw = HobStart;\r | |
145 | while ((DxeCoreHob.Raw = GetNextHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, DxeCoreHob.Raw)) != NULL) {\r | |
146 | if (CompareGuid (&DxeCoreHob.MemoryAllocationModule->MemoryAllocationHeader.Name, &gEfiHobMemoryAllocModuleGuid)) {\r | |
147 | //\r | |
148 | // Find Dxe Core HOB\r | |
149 | //\r | |
150 | break;\r | |
151 | }\r | |
152 | DxeCoreHob.Raw = GET_NEXT_HOB (DxeCoreHob);\r | |
153 | }\r | |
154 | ASSERT (DxeCoreHob.Raw != NULL);\r | |
155 | \r | |
156 | DxeCoreImageBaseAddress = DxeCoreHob.MemoryAllocationModule->MemoryAllocationHeader.MemoryBaseAddress;\r | |
157 | DxeCoreImageLength = DxeCoreHob.MemoryAllocationModule->MemoryAllocationHeader.MemoryLength;\r | |
158 | DxeCoreEntryPoint = (VOID *) (UINTN) DxeCoreHob.MemoryAllocationModule->EntryPoint;\r | |
159 | gDxeCoreFileName = &DxeCoreHob.MemoryAllocationModule->ModuleName;\r | |
b43619d0 | 160 | \r |
28a00297 | 161 | //\r |
162 | // Initialize the fields for an internal driver\r | |
163 | //\r | |
164 | Image = &mCorePrivateImage;\r | |
165 | \r | |
166 | Image->EntryPoint = (EFI_IMAGE_ENTRY_POINT)(UINTN)DxeCoreEntryPoint;\r | |
167 | Image->ImageBasePage = DxeCoreImageBaseAddress;\r | |
168 | Image->NumberOfPages = (UINTN)(EFI_SIZE_TO_PAGES((UINTN)(DxeCoreImageLength)));\r | |
169 | Image->Tpl = gEfiCurrentTpl;\r | |
170 | Image->Info.SystemTable = gDxeCoreST;\r | |
171 | Image->Info.ImageBase = (VOID *)(UINTN)DxeCoreImageBaseAddress;\r | |
172 | Image->Info.ImageSize = DxeCoreImageLength;\r | |
173 | \r | |
174 | //\r | |
175 | // Install the protocol interfaces for this image\r | |
176 | //\r | |
177 | Status = CoreInstallProtocolInterface (\r | |
178 | &Image->Handle,\r | |
179 | &gEfiLoadedImageProtocolGuid,\r | |
180 | EFI_NATIVE_INTERFACE,\r | |
181 | &Image->Info\r | |
182 | );\r | |
183 | ASSERT_EFI_ERROR (Status);\r | |
184 | \r | |
185 | mCurrentImage = Image;\r | |
186 | \r | |
187 | //\r | |
188 | // Fill in DXE globals\r | |
189 | //\r | |
60c0073f | 190 | mDxeCoreImageMachineType = PeCoffLoaderGetMachineType (Image->Info.ImageBase);\r |
28a00297 | 191 | gDxeCoreImageHandle = Image->Handle;\r |
192 | gDxeCoreLoadedImage = &Image->Info;\r | |
193 | \r | |
6320fa42 LG |
194 | if (FeaturePcdGet (PcdFrameworkCompatibilitySupport)) {\r |
195 | //\r | |
196 | // Export DXE Core PE Loader functionality for backward compatibility.\r | |
197 | //\r | |
198 | Status = CoreInstallProtocolInterface (\r | |
d0d41b52 | 199 | &mLoadPe32PrivateData.Handle,\r |
200 | &gEfiLoadPeImageProtocolGuid,\r | |
201 | EFI_NATIVE_INTERFACE,\r | |
202 | &mLoadPe32PrivateData.Pe32Image\r | |
203 | );\r | |
6320fa42 LG |
204 | }\r |
205 | \r | |
d0e92aad JY |
206 | ProtectUefiImage (&Image->Info, Image->LoadedImageDevicePath);\r |
207 | \r | |
6320fa42 | 208 | return Status;\r |
28a00297 | 209 | }\r |
210 | \r | |
7748df3d LG |
211 | /**\r |
212 | Read image file (specified by UserHandle) into user specified buffer with specified offset\r | |
213 | and length.\r | |
214 | \r | |
215 | @param UserHandle Image file handle\r | |
216 | @param Offset Offset to the source file\r | |
217 | @param ReadSize For input, pointer of size to read; For output,\r | |
218 | pointer of size actually read.\r | |
219 | @param Buffer Buffer to write into\r | |
220 | \r | |
221 | @retval EFI_SUCCESS Successfully read the specified part of file\r | |
222 | into buffer.\r | |
223 | \r | |
224 | **/\r | |
225 | EFI_STATUS\r | |
226 | EFIAPI\r | |
227 | CoreReadImageFile (\r | |
228 | IN VOID *UserHandle,\r | |
229 | IN UINTN Offset,\r | |
230 | IN OUT UINTN *ReadSize,\r | |
231 | OUT VOID *Buffer\r | |
232 | )\r | |
233 | {\r | |
234 | UINTN EndPosition;\r | |
235 | IMAGE_FILE_HANDLE *FHand;\r | |
236 | \r | |
28186d45 ED |
237 | if (UserHandle == NULL || ReadSize == NULL || Buffer == NULL) {\r |
238 | return EFI_INVALID_PARAMETER;\r | |
239 | }\r | |
240 | \r | |
241 | if (MAX_ADDRESS - Offset < *ReadSize) {\r | |
242 | return EFI_INVALID_PARAMETER;\r | |
243 | }\r | |
244 | \r | |
7748df3d LG |
245 | FHand = (IMAGE_FILE_HANDLE *)UserHandle;\r |
246 | ASSERT (FHand->Signature == IMAGE_FILE_HANDLE_SIGNATURE);\r | |
247 | \r | |
248 | //\r | |
249 | // Move data from our local copy of the file\r | |
250 | //\r | |
251 | EndPosition = Offset + *ReadSize;\r | |
252 | if (EndPosition > FHand->SourceSize) {\r | |
253 | *ReadSize = (UINT32)(FHand->SourceSize - Offset);\r | |
254 | }\r | |
255 | if (Offset >= FHand->SourceSize) {\r | |
256 | *ReadSize = 0;\r | |
257 | }\r | |
258 | \r | |
259 | CopyMem (Buffer, (CHAR8 *)FHand->Source + Offset, *ReadSize);\r | |
260 | return EFI_SUCCESS;\r | |
261 | }\r | |
54ea99a7 | 262 | /**\r |
2048c585 GM |
263 | To check memory usage bit map array to figure out if the memory range the image will be loaded in is available or not. If\r |
264 | memory range is available, the function will mark the corresponding bits to 1 which indicates the memory range is used.\r | |
54ea99a7 | 265 | The function is only invoked when load modules at fixed address feature is enabled. \r |
266 | \r | |
2048c585 | 267 | @param ImageBase The base address the image will be loaded at.\r |
54ea99a7 | 268 | @param ImageSize The size of the image\r |
269 | \r | |
270 | @retval EFI_SUCCESS The memory range the image will be loaded in is available\r | |
271 | @retval EFI_NOT_FOUND The memory range the image will be loaded in is not available\r | |
272 | **/\r | |
273 | EFI_STATUS\r | |
274 | CheckAndMarkFixLoadingMemoryUsageBitMap (\r | |
275 | IN EFI_PHYSICAL_ADDRESS ImageBase,\r | |
276 | IN UINTN ImageSize\r | |
277 | )\r | |
278 | {\r | |
279 | UINT32 DxeCodePageNumber;\r | |
280 | UINT64 DxeCodeSize; \r | |
281 | EFI_PHYSICAL_ADDRESS DxeCodeBase;\r | |
282 | UINTN BaseOffsetPageNumber;\r | |
283 | UINTN TopOffsetPageNumber;\r | |
284 | UINTN Index;\r | |
285 | //\r | |
286 | // The DXE code range includes RuntimeCodePage range and Boot time code range.\r | |
287 | // \r | |
288 | DxeCodePageNumber = PcdGet32(PcdLoadFixAddressRuntimeCodePageNumber);\r | |
289 | DxeCodePageNumber += PcdGet32(PcdLoadFixAddressBootTimeCodePageNumber);\r | |
290 | DxeCodeSize = EFI_PAGES_TO_SIZE(DxeCodePageNumber);\r | |
291 | DxeCodeBase = gLoadModuleAtFixAddressConfigurationTable.DxeCodeTopAddress - DxeCodeSize;\r | |
292 | \r | |
293 | //\r | |
294 | // If the memory usage bit map is not initialized, do it. Every bit in the array \r | |
295 | // indicate the status of the corresponding memory page, available or not\r | |
296 | // \r | |
297 | if (mDxeCodeMemoryRangeUsageBitMap == NULL) {\r | |
298 | mDxeCodeMemoryRangeUsageBitMap = AllocateZeroPool(((DxeCodePageNumber/64) + 1)*sizeof(UINT64));\r | |
299 | }\r | |
300 | //\r | |
301 | // If the Dxe code memory range is not allocated or the bit map array allocation failed, return EFI_NOT_FOUND\r | |
302 | //\r | |
303 | if (!gLoadFixedAddressCodeMemoryReady || mDxeCodeMemoryRangeUsageBitMap == NULL) {\r | |
304 | return EFI_NOT_FOUND;\r | |
305 | }\r | |
306 | //\r | |
307 | // Test the memory range for loading the image in the DXE code range.\r | |
308 | //\r | |
309 | if (gLoadModuleAtFixAddressConfigurationTable.DxeCodeTopAddress < ImageBase + ImageSize ||\r | |
310 | DxeCodeBase > ImageBase) {\r | |
311 | return EFI_NOT_FOUND; \r | |
312 | } \r | |
313 | //\r | |
314 | // Test if the memory is avalaible or not.\r | |
315 | // \r | |
316 | BaseOffsetPageNumber = (UINTN)EFI_SIZE_TO_PAGES((UINT32)(ImageBase - DxeCodeBase));\r | |
317 | TopOffsetPageNumber = (UINTN)EFI_SIZE_TO_PAGES((UINT32)(ImageBase + ImageSize - DxeCodeBase));\r | |
318 | for (Index = BaseOffsetPageNumber; Index < TopOffsetPageNumber; Index ++) {\r | |
319 | if ((mDxeCodeMemoryRangeUsageBitMap[Index / 64] & LShiftU64(1, (Index % 64))) != 0) {\r | |
320 | //\r | |
321 | // This page is already used.\r | |
322 | //\r | |
323 | return EFI_NOT_FOUND; \r | |
324 | }\r | |
325 | }\r | |
326 | \r | |
327 | //\r | |
328 | // Being here means the memory range is available. So mark the bits for the memory range\r | |
329 | // \r | |
330 | for (Index = BaseOffsetPageNumber; Index < TopOffsetPageNumber; Index ++) {\r | |
331 | mDxeCodeMemoryRangeUsageBitMap[Index / 64] |= LShiftU64(1, (Index % 64));\r | |
332 | }\r | |
333 | return EFI_SUCCESS; \r | |
334 | }\r | |
335 | /**\r | |
336 | \r | |
2048c585 | 337 | Get the fixed loading address from image header assigned by build tool. This function only be called\r |
54ea99a7 | 338 | when Loading module at Fixed address feature enabled.\r |
162ed594 | 339 | \r |
54ea99a7 | 340 | @param ImageContext Pointer to the image context structure that describes the PE/COFF\r |
341 | image that needs to be examined by this function.\r | |
342 | @retval EFI_SUCCESS An fixed loading address is assigned to this image by build tools .\r | |
2048c585 | 343 | @retval EFI_NOT_FOUND The image has no assigned fixed loading address.\r |
54ea99a7 | 344 | \r |
345 | **/\r | |
346 | EFI_STATUS\r | |
347 | GetPeCoffImageFixLoadingAssignedAddress(\r | |
348 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
349 | )\r | |
350 | {\r | |
351 | UINTN SectionHeaderOffset;\r | |
352 | EFI_STATUS Status;\r | |
353 | EFI_IMAGE_SECTION_HEADER SectionHeader;\r | |
354 | EFI_IMAGE_OPTIONAL_HEADER_UNION *ImgHdr;\r | |
355 | UINT16 Index;\r | |
356 | UINTN Size;\r | |
357 | UINT16 NumberOfSections;\r | |
358 | IMAGE_FILE_HANDLE *Handle;\r | |
359 | UINT64 ValueInSectionHeader;\r | |
360 | \r | |
361 | \r | |
362 | Status = EFI_NOT_FOUND;\r | |
363 | \r | |
364 | //\r | |
365 | // Get PeHeader pointer\r | |
366 | //\r | |
367 | Handle = (IMAGE_FILE_HANDLE*)ImageContext->Handle;\r | |
368 | ImgHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)((CHAR8* )Handle->Source + ImageContext->PeCoffHeaderOffset);\r | |
369 | SectionHeaderOffset = (UINTN)(\r | |
370 | ImageContext->PeCoffHeaderOffset +\r | |
371 | sizeof (UINT32) +\r | |
372 | sizeof (EFI_IMAGE_FILE_HEADER) +\r | |
373 | ImgHdr->Pe32.FileHeader.SizeOfOptionalHeader\r | |
374 | );\r | |
375 | NumberOfSections = ImgHdr->Pe32.FileHeader.NumberOfSections;\r | |
376 | \r | |
377 | //\r | |
378 | // Get base address from the first section header that doesn't point to code section.\r | |
379 | //\r | |
380 | for (Index = 0; Index < NumberOfSections; Index++) {\r | |
381 | //\r | |
382 | // Read section header from file\r | |
383 | //\r | |
384 | Size = sizeof (EFI_IMAGE_SECTION_HEADER);\r | |
385 | Status = ImageContext->ImageRead (\r | |
386 | ImageContext->Handle,\r | |
387 | SectionHeaderOffset,\r | |
388 | &Size,\r | |
389 | &SectionHeader\r | |
390 | );\r | |
391 | if (EFI_ERROR (Status)) {\r | |
392 | return Status;\r | |
393 | }\r | |
16bacc07 SZ |
394 | if (Size != sizeof (EFI_IMAGE_SECTION_HEADER)) {\r |
395 | return EFI_NOT_FOUND;\r | |
396 | }\r | |
397 | \r | |
54ea99a7 | 398 | Status = EFI_NOT_FOUND;\r |
399 | \r | |
400 | if ((SectionHeader.Characteristics & EFI_IMAGE_SCN_CNT_CODE) == 0) {\r | |
401 | //\r | |
402 | // Build tool will save the address in PointerToRelocations & PointerToLineNumbers fields in the first section header\r | |
403 | // that doesn't point to code section in image header, as well as ImageBase field of image header. And there is an \r | |
404 | // assumption that when the feature is enabled, if a module is assigned a loading address by tools, PointerToRelocations \r | |
2048c585 | 405 | // & PointerToLineNumbers fields should NOT be Zero, or else, these 2 fields should be set to Zero\r |
54ea99a7 | 406 | //\r |
407 | ValueInSectionHeader = ReadUnaligned64((UINT64*)&SectionHeader.PointerToRelocations);\r | |
408 | if (ValueInSectionHeader != 0) {\r | |
409 | //\r | |
410 | // When the feature is configured as load module at fixed absolute address, the ImageAddress field of ImageContext \r | |
411 | // hold the spcified address. If the feature is configured as load module at fixed offset, ImageAddress hold an offset\r | |
412 | // relative to top address\r | |
413 | //\r | |
852081fc | 414 | if ((INT64)PcdGet64(PcdLoadModuleAtFixAddressEnable) < 0) {\r |
9bfb4940 | 415 | ImageContext->ImageAddress = gLoadModuleAtFixAddressConfigurationTable.DxeCodeTopAddress + (INT64)(INTN)ImageContext->ImageAddress;\r |
54ea99a7 | 416 | }\r |
417 | //\r | |
2048c585 | 418 | // Check if the memory range is available.\r |
54ea99a7 | 419 | //\r |
420 | Status = CheckAndMarkFixLoadingMemoryUsageBitMap (ImageContext->ImageAddress, (UINTN)(ImageContext->ImageSize + ImageContext->SectionAlignment));\r | |
421 | }\r | |
422 | break; \r | |
423 | }\r | |
424 | SectionHeaderOffset += sizeof (EFI_IMAGE_SECTION_HEADER);\r | |
425 | }\r | |
852081fc | 426 | DEBUG ((EFI_D_INFO|EFI_D_LOAD, "LOADING MODULE FIXED INFO: Loading module at fixed address 0x%11p. Status = %r \n", (VOID *)(UINTN)(ImageContext->ImageAddress), Status));\r |
54ea99a7 | 427 | return Status;\r |
428 | }\r | |
162ed594 | 429 | /**\r |
430 | Loads, relocates, and invokes a PE/COFF image\r | |
431 | \r | |
57d6f36d | 432 | @param BootPolicy If TRUE, indicates that the request originates\r |
433 | from the boot manager, and that the boot\r | |
434 | manager is attempting to load FilePath as a\r | |
435 | boot selection.\r | |
436 | @param Pe32Handle The handle of PE32 image\r | |
437 | @param Image PE image to be loaded\r | |
438 | @param DstBuffer The buffer to store the image\r | |
439 | @param EntryPoint A pointer to the entry point\r | |
440 | @param Attribute The bit mask of attributes to set for the load\r | |
441 | PE image\r | |
442 | \r | |
443 | @retval EFI_SUCCESS The file was loaded, relocated, and invoked\r | |
444 | @retval EFI_OUT_OF_RESOURCES There was not enough memory to load and\r | |
445 | relocate the PE/COFF file\r | |
446 | @retval EFI_INVALID_PARAMETER Invalid parameter\r | |
162ed594 | 447 | @retval EFI_BUFFER_TOO_SMALL Buffer for image is too small\r |
448 | \r | |
449 | **/\r | |
28a00297 | 450 | EFI_STATUS\r |
451 | CoreLoadPeImage (\r | |
57d6f36d | 452 | IN BOOLEAN BootPolicy,\r |
28a00297 | 453 | IN VOID *Pe32Handle,\r |
454 | IN LOADED_IMAGE_PRIVATE_DATA *Image,\r | |
455 | IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,\r | |
456 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,\r | |
457 | IN UINT32 Attribute\r | |
458 | )\r | |
28a00297 | 459 | {\r |
822360ee LG |
460 | EFI_STATUS Status;\r |
461 | BOOLEAN DstBufAlocated;\r | |
462 | UINTN Size;\r | |
28a00297 | 463 | \r |
464 | ZeroMem (&Image->ImageContext, sizeof (Image->ImageContext));\r | |
465 | \r | |
466 | Image->ImageContext.Handle = Pe32Handle;\r | |
467 | Image->ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE)CoreReadImageFile;\r | |
468 | \r | |
469 | //\r | |
470 | // Get information about the image being loaded\r | |
471 | //\r | |
3d7b0992 | 472 | Status = PeCoffLoaderGetImageInfo (&Image->ImageContext);\r |
28a00297 | 473 | if (EFI_ERROR (Status)) {\r |
474 | return Status;\r | |
475 | }\r | |
476 | \r | |
477 | if (!EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Image->ImageContext.Machine)) {\r | |
5fed8e34 | 478 | if (!EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED (Image->ImageContext.Machine)) {\r |
479 | //\r | |
480 | // The PE/COFF loader can support loading image types that can be executed.\r | |
481 | // If we loaded an image type that we can not execute return EFI_UNSUPORTED.\r | |
482 | //\r | |
f00237c1 LG |
483 | DEBUG ((EFI_D_ERROR, "Image type %s can't be loaded ", GetMachineTypeName(Image->ImageContext.Machine)));\r |
484 | DEBUG ((EFI_D_ERROR, "on %s UEFI system.\n", GetMachineTypeName(mDxeCoreImageMachineType)));\r | |
5fed8e34 | 485 | return EFI_UNSUPPORTED;\r |
486 | }\r | |
28a00297 | 487 | }\r |
57d6f36d | 488 | \r |
a0ae8996 LG |
489 | //\r |
490 | // Set EFI memory type based on ImageType\r | |
491 | //\r | |
492 | switch (Image->ImageContext.ImageType) {\r | |
493 | case EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION:\r | |
494 | Image->ImageContext.ImageCodeMemoryType = EfiLoaderCode;\r | |
495 | Image->ImageContext.ImageDataMemoryType = EfiLoaderData;\r | |
496 | break;\r | |
497 | case EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER:\r | |
498 | Image->ImageContext.ImageCodeMemoryType = EfiBootServicesCode;\r | |
499 | Image->ImageContext.ImageDataMemoryType = EfiBootServicesData;\r | |
500 | break;\r | |
501 | case EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER:\r | |
502 | case EFI_IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER:\r | |
503 | Image->ImageContext.ImageCodeMemoryType = EfiRuntimeServicesCode;\r | |
504 | Image->ImageContext.ImageDataMemoryType = EfiRuntimeServicesData;\r | |
505 | break;\r | |
506 | default:\r | |
507 | Image->ImageContext.ImageError = IMAGE_ERROR_INVALID_SUBSYSTEM;\r | |
508 | return EFI_UNSUPPORTED;\r | |
509 | }\r | |
28a00297 | 510 | \r |
511 | //\r | |
6393d9c8 | 512 | // Allocate memory of the correct memory type aligned on the required image boundary\r |
28a00297 | 513 | //\r |
514 | DstBufAlocated = FALSE;\r | |
515 | if (DstBuffer == 0) {\r | |
516 | //\r | |
517 | // Allocate Destination Buffer as caller did not pass it in\r | |
518 | //\r | |
519 | \r | |
520 | if (Image->ImageContext.SectionAlignment > EFI_PAGE_SIZE) {\r | |
521 | Size = (UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment;\r | |
522 | } else {\r | |
523 | Size = (UINTN)Image->ImageContext.ImageSize;\r | |
524 | }\r | |
525 | \r | |
526 | Image->NumberOfPages = EFI_SIZE_TO_PAGES (Size);\r | |
527 | \r | |
528 | //\r | |
529 | // If the image relocations have not been stripped, then load at any address.\r | |
530 | // Otherwise load at the address at which it was linked.\r | |
531 | //\r | |
532 | // Memory below 1MB should be treated reserved for CSM and there should be\r | |
533 | // no modules whose preferred load addresses are below 1MB.\r | |
534 | //\r | |
535 | Status = EFI_OUT_OF_RESOURCES;\r | |
54ea99a7 | 536 | //\r |
537 | // If Loading Module At Fixed Address feature is enabled, the module should be loaded to\r | |
538 | // a specified address.\r | |
539 | //\r | |
852081fc | 540 | if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0 ) {\r |
54ea99a7 | 541 | Status = GetPeCoffImageFixLoadingAssignedAddress (&(Image->ImageContext));\r |
542 | \r | |
543 | if (EFI_ERROR (Status)) {\r | |
544 | //\r | |
545 | // If the code memory is not ready, invoke CoreAllocatePage with AllocateAnyPages to load the driver.\r | |
546 | //\r | |
547 | DEBUG ((EFI_D_INFO|EFI_D_LOAD, "LOADING MODULE FIXED ERROR: Loading module at fixed address failed since specified memory is not available.\n"));\r | |
548 | \r | |
549 | Status = CoreAllocatePages (\r | |
550 | AllocateAnyPages,\r | |
551 | (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType),\r | |
552 | Image->NumberOfPages,\r | |
553 | &Image->ImageContext.ImageAddress\r | |
554 | ); \r | |
555 | } \r | |
556 | } else {\r | |
557 | if (Image->ImageContext.ImageAddress >= 0x100000 || Image->ImageContext.RelocationsStripped) {\r | |
558 | Status = CoreAllocatePages (\r | |
559 | AllocateAddress,\r | |
560 | (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType),\r | |
561 | Image->NumberOfPages,\r | |
562 | &Image->ImageContext.ImageAddress\r | |
563 | );\r | |
564 | }\r | |
565 | if (EFI_ERROR (Status) && !Image->ImageContext.RelocationsStripped) {\r | |
566 | Status = CoreAllocatePages (\r | |
567 | AllocateAnyPages,\r | |
568 | (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType),\r | |
569 | Image->NumberOfPages,\r | |
570 | &Image->ImageContext.ImageAddress\r | |
571 | );\r | |
572 | }\r | |
28a00297 | 573 | }\r |
574 | if (EFI_ERROR (Status)) {\r | |
575 | return Status;\r | |
576 | }\r | |
577 | DstBufAlocated = TRUE;\r | |
578 | } else {\r | |
579 | //\r | |
580 | // Caller provided the destination buffer\r | |
581 | //\r | |
582 | \r | |
583 | if (Image->ImageContext.RelocationsStripped && (Image->ImageContext.ImageAddress != DstBuffer)) {\r | |
584 | //\r | |
585 | // If the image relocations were stripped, and the caller provided a\r | |
586 | // destination buffer address that does not match the address that the\r | |
587 | // image is linked at, then the image cannot be loaded.\r | |
588 | //\r | |
589 | return EFI_INVALID_PARAMETER;\r | |
590 | }\r | |
591 | \r | |
592 | if (Image->NumberOfPages != 0 &&\r | |
593 | Image->NumberOfPages <\r | |
594 | (EFI_SIZE_TO_PAGES ((UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment))) {\r | |
595 | Image->NumberOfPages = EFI_SIZE_TO_PAGES ((UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment);\r | |
596 | return EFI_BUFFER_TOO_SMALL;\r | |
597 | }\r | |
598 | \r | |
599 | Image->NumberOfPages = EFI_SIZE_TO_PAGES ((UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment);\r | |
600 | Image->ImageContext.ImageAddress = DstBuffer;\r | |
601 | }\r | |
602 | \r | |
603 | Image->ImageBasePage = Image->ImageContext.ImageAddress;\r | |
1046284d | 604 | if (!Image->ImageContext.IsTeImage) {\r |
54ea99a7 | 605 | Image->ImageContext.ImageAddress =\r |
606 | (Image->ImageContext.ImageAddress + Image->ImageContext.SectionAlignment - 1) &\r | |
607 | ~((UINTN)Image->ImageContext.SectionAlignment - 1);\r | |
1046284d | 608 | }\r |
28a00297 | 609 | \r |
610 | //\r | |
611 | // Load the image from the file into the allocated memory\r | |
612 | //\r | |
3d7b0992 | 613 | Status = PeCoffLoaderLoadImage (&Image->ImageContext);\r |
28a00297 | 614 | if (EFI_ERROR (Status)) {\r |
615 | goto Done;\r | |
616 | }\r | |
617 | \r | |
618 | //\r | |
619 | // If this is a Runtime Driver, then allocate memory for the FixupData that\r | |
620 | // is used to relocate the image when SetVirtualAddressMap() is called. The\r | |
621 | // relocation is done by the Runtime AP.\r | |
622 | //\r | |
71f68914 | 623 | if ((Attribute & EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION) != 0) {\r |
28a00297 | 624 | if (Image->ImageContext.ImageType == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER) {\r |
9c4ac31c | 625 | Image->ImageContext.FixupData = AllocateRuntimePool ((UINTN)(Image->ImageContext.FixupDataSize));\r |
28a00297 | 626 | if (Image->ImageContext.FixupData == NULL) {\r |
627 | Status = EFI_OUT_OF_RESOURCES;\r | |
628 | goto Done;\r | |
629 | }\r | |
630 | }\r | |
631 | }\r | |
632 | \r | |
633 | //\r | |
634 | // Relocate the image in memory\r | |
635 | //\r | |
3d7b0992 | 636 | Status = PeCoffLoaderRelocateImage (&Image->ImageContext);\r |
28a00297 | 637 | if (EFI_ERROR (Status)) {\r |
638 | goto Done;\r | |
639 | }\r | |
640 | \r | |
641 | //\r | |
642 | // Flush the Instruction Cache\r | |
643 | //\r | |
644 | InvalidateInstructionCacheRange ((VOID *)(UINTN)Image->ImageContext.ImageAddress, (UINTN)Image->ImageContext.ImageSize);\r | |
645 | \r | |
646 | //\r | |
647 | // Copy the machine type from the context to the image private data. This\r | |
648 | // is needed during image unload to know if we should call an EBC protocol\r | |
649 | // to unload the image.\r | |
650 | //\r | |
651 | Image->Machine = Image->ImageContext.Machine;\r | |
652 | \r | |
653 | //\r | |
654 | // Get the image entry point. If it's an EBC image, then call into the\r | |
655 | // interpreter to create a thunk for the entry point and use the returned\r | |
656 | // value for the entry point.\r | |
657 | //\r | |
658 | Image->EntryPoint = (EFI_IMAGE_ENTRY_POINT)(UINTN)Image->ImageContext.EntryPoint;\r | |
659 | if (Image->ImageContext.Machine == EFI_IMAGE_MACHINE_EBC) {\r | |
660 | //\r | |
661 | // Locate the EBC interpreter protocol\r | |
662 | //\r | |
663 | Status = CoreLocateProtocol (&gEfiEbcProtocolGuid, NULL, (VOID **)&Image->Ebc);\r | |
d2fbaaab | 664 | if (EFI_ERROR(Status) || Image->Ebc == NULL) {\r |
57d6f36d | 665 | DEBUG ((DEBUG_LOAD | DEBUG_ERROR, "CoreLoadPeImage: There is no EBC interpreter for an EBC image.\n"));\r |
28a00297 | 666 | goto Done;\r |
667 | }\r | |
668 | \r | |
669 | //\r | |
670 | // Register a callback for flushing the instruction cache so that created\r | |
671 | // thunks can be flushed.\r | |
672 | //\r | |
673 | Status = Image->Ebc->RegisterICacheFlush (Image->Ebc, (EBC_ICACHE_FLUSH)InvalidateInstructionCacheRange);\r | |
674 | if (EFI_ERROR(Status)) {\r | |
675 | goto Done;\r | |
676 | }\r | |
677 | \r | |
678 | //\r | |
679 | // Create a thunk for the image's entry point. This will be the new\r | |
680 | // entry point for the image.\r | |
681 | //\r | |
682 | Status = Image->Ebc->CreateThunk (\r | |
683 | Image->Ebc,\r | |
684 | Image->Handle,\r | |
e94a9ff7 | 685 | (VOID *)(UINTN) Image->ImageContext.EntryPoint,\r |
686 | (VOID **) &Image->EntryPoint\r | |
28a00297 | 687 | );\r |
688 | if (EFI_ERROR(Status)) {\r | |
689 | goto Done;\r | |
690 | }\r | |
691 | }\r | |
692 | \r | |
693 | //\r | |
694 | // Fill in the image information for the Loaded Image Protocol\r | |
695 | //\r | |
696 | Image->Type = Image->ImageContext.ImageType;\r | |
697 | Image->Info.ImageBase = (VOID *)(UINTN)Image->ImageContext.ImageAddress;\r | |
698 | Image->Info.ImageSize = Image->ImageContext.ImageSize;\r | |
699 | Image->Info.ImageCodeType = (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType);\r | |
700 | Image->Info.ImageDataType = (EFI_MEMORY_TYPE) (Image->ImageContext.ImageDataMemoryType);\r | |
71f68914 | 701 | if ((Attribute & EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION) != 0) {\r |
28a00297 | 702 | if (Image->ImageContext.ImageType == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER) {\r |
703 | //\r | |
704 | // Make a list off all the RT images so we can let the RT AP know about them.\r | |
705 | //\r | |
9c4ac31c | 706 | Image->RuntimeData = AllocateRuntimePool (sizeof(EFI_RUNTIME_IMAGE_ENTRY));\r |
28a00297 | 707 | if (Image->RuntimeData == NULL) {\r |
708 | goto Done;\r | |
709 | }\r | |
710 | Image->RuntimeData->ImageBase = Image->Info.ImageBase;\r | |
711 | Image->RuntimeData->ImageSize = (UINT64) (Image->Info.ImageSize);\r | |
712 | Image->RuntimeData->RelocationData = Image->ImageContext.FixupData;\r | |
713 | Image->RuntimeData->Handle = Image->Handle;\r | |
714 | InsertTailList (&gRuntime->ImageHead, &Image->RuntimeData->Link);\r | |
03d486b2 | 715 | InsertImageRecord (Image->RuntimeData);\r |
28a00297 | 716 | }\r |
717 | }\r | |
718 | \r | |
719 | //\r | |
720 | // Fill in the entry point of the image if it is available\r | |
721 | //\r | |
722 | if (EntryPoint != NULL) {\r | |
723 | *EntryPoint = Image->ImageContext.EntryPoint;\r | |
724 | }\r | |
725 | \r | |
726 | //\r | |
727 | // Print the load address and the PDB file name if it is available\r | |
728 | //\r | |
729 | \r | |
730 | DEBUG_CODE_BEGIN ();\r | |
731 | \r | |
732 | UINTN Index;\r | |
733 | UINTN StartIndex;\r | |
734 | CHAR8 EfiFileName[256];\r | |
57d6f36d | 735 | \r |
022c6d45 | 736 | \r |
e94a9ff7 | 737 | DEBUG ((DEBUG_INFO | DEBUG_LOAD,\r |
91136124 | 738 | "Loading driver at 0x%11p EntryPoint=0x%11p ",\r |
e94a9ff7 | 739 | (VOID *)(UINTN) Image->ImageContext.ImageAddress,\r |
4e2dd553 | 740 | FUNCTION_ENTRY_POINT (Image->ImageContext.EntryPoint)));\r |
022c6d45 | 741 | \r |
57d6f36d | 742 | \r |
e98cd821 | 743 | //\r |
57dfc48f | 744 | // Print Module Name by Pdb file path.\r |
745 | // Windows and Unix style file path are all trimmed correctly.\r | |
e98cd821 | 746 | //\r |
28a00297 | 747 | if (Image->ImageContext.PdbPointer != NULL) {\r |
748 | StartIndex = 0;\r | |
749 | for (Index = 0; Image->ImageContext.PdbPointer[Index] != 0; Index++) {\r | |
57dfc48f | 750 | if ((Image->ImageContext.PdbPointer[Index] == '\\') || (Image->ImageContext.PdbPointer[Index] == '/')) {\r |
28a00297 | 751 | StartIndex = Index + 1;\r |
752 | }\r | |
753 | }\r | |
754 | //\r | |
755 | // Copy the PDB file name to our temporary string, and replace .pdb with .efi\r | |
57dfc48f | 756 | // The PDB file name is limited in the range of 0~255.\r |
757 | // If the length is bigger than 255, trim the redudant characters to avoid overflow in array boundary.\r | |
28a00297 | 758 | //\r |
57dfc48f | 759 | for (Index = 0; Index < sizeof (EfiFileName) - 4; Index++) {\r |
28a00297 | 760 | EfiFileName[Index] = Image->ImageContext.PdbPointer[Index + StartIndex];\r |
761 | if (EfiFileName[Index] == 0) {\r | |
762 | EfiFileName[Index] = '.';\r | |
763 | }\r | |
764 | if (EfiFileName[Index] == '.') {\r | |
765 | EfiFileName[Index + 1] = 'e';\r | |
766 | EfiFileName[Index + 2] = 'f';\r | |
767 | EfiFileName[Index + 3] = 'i';\r | |
768 | EfiFileName[Index + 4] = 0;\r | |
769 | break;\r | |
770 | }\r | |
771 | }\r | |
57dfc48f | 772 | \r |
773 | if (Index == sizeof (EfiFileName) - 4) {\r | |
774 | EfiFileName[Index] = 0;\r | |
775 | }\r | |
162ed594 | 776 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "%a", EfiFileName)); // &Image->ImageContext.PdbPointer[StartIndex]));\r |
28a00297 | 777 | }\r |
162ed594 | 778 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "\n"));\r |
28a00297 | 779 | \r |
780 | DEBUG_CODE_END ();\r | |
781 | \r | |
782 | return EFI_SUCCESS;\r | |
783 | \r | |
784 | Done:\r | |
785 | \r | |
786 | //\r | |
787 | // Free memory.\r | |
788 | //\r | |
789 | \r | |
790 | if (DstBufAlocated) {\r | |
791 | CoreFreePages (Image->ImageContext.ImageAddress, Image->NumberOfPages);\r | |
792 | }\r | |
793 | \r | |
794 | if (Image->ImageContext.FixupData != NULL) {\r | |
795 | CoreFreePool (Image->ImageContext.FixupData);\r | |
796 | }\r | |
797 | \r | |
798 | return Status;\r | |
799 | }\r | |
800 | \r | |
801 | \r | |
28a00297 | 802 | \r |
162ed594 | 803 | /**\r |
28a00297 | 804 | Get the image's private data from its handle.\r |
805 | \r | |
57d6f36d | 806 | @param ImageHandle The image handle\r |
28a00297 | 807 | \r |
162ed594 | 808 | @return Return the image private data associated with ImageHandle.\r |
28a00297 | 809 | \r |
162ed594 | 810 | **/\r |
811 | LOADED_IMAGE_PRIVATE_DATA *\r | |
812 | CoreLoadedImageInfo (\r | |
813 | IN EFI_HANDLE ImageHandle\r | |
814 | )\r | |
28a00297 | 815 | {\r |
816 | EFI_STATUS Status;\r | |
817 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
818 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
819 | \r | |
820 | Status = CoreHandleProtocol (\r | |
821 | ImageHandle,\r | |
822 | &gEfiLoadedImageProtocolGuid,\r | |
823 | (VOID **)&LoadedImage\r | |
824 | );\r | |
825 | if (!EFI_ERROR (Status)) {\r | |
826 | Image = LOADED_IMAGE_PRIVATE_DATA_FROM_THIS (LoadedImage);\r | |
827 | } else {\r | |
e94a9ff7 | 828 | DEBUG ((DEBUG_LOAD, "CoreLoadedImageInfo: Not an ImageHandle %p\n", ImageHandle));\r |
28a00297 | 829 | Image = NULL;\r |
830 | }\r | |
831 | \r | |
832 | return Image;\r | |
833 | }\r | |
834 | \r | |
162ed594 | 835 | \r |
c0a23f8c | 836 | /**\r |
837 | Unloads EFI image from memory.\r | |
838 | \r | |
839 | @param Image EFI image\r | |
840 | @param FreePage Free allocated pages\r | |
841 | \r | |
842 | **/\r | |
843 | VOID\r | |
844 | CoreUnloadAndCloseImage (\r | |
845 | IN LOADED_IMAGE_PRIVATE_DATA *Image,\r | |
846 | IN BOOLEAN FreePage\r | |
847 | )\r | |
848 | {\r | |
849 | EFI_STATUS Status;\r | |
850 | UINTN HandleCount;\r | |
851 | EFI_HANDLE *HandleBuffer;\r | |
852 | UINTN HandleIndex;\r | |
853 | EFI_GUID **ProtocolGuidArray;\r | |
854 | UINTN ArrayCount;\r | |
855 | UINTN ProtocolIndex;\r | |
856 | EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfo;\r | |
857 | UINTN OpenInfoCount;\r | |
858 | UINTN OpenInfoIndex;\r | |
859 | \r | |
4e1005ec ED |
860 | HandleBuffer = NULL;\r |
861 | ProtocolGuidArray = NULL;\r | |
862 | \r | |
57400f34 SZ |
863 | if (Image->Started) {\r |
864 | UnregisterMemoryProfileImage (Image);\r | |
865 | }\r | |
866 | \r | |
d0e92aad JY |
867 | UnprotectUefiImage (&Image->Info, Image->LoadedImageDevicePath);\r |
868 | \r | |
c0a23f8c | 869 | if (Image->Ebc != NULL) {\r |
870 | //\r | |
871 | // If EBC protocol exists we must perform cleanups for this image.\r | |
872 | //\r | |
873 | Image->Ebc->UnloadImage (Image->Ebc, Image->Handle);\r | |
874 | }\r | |
875 | \r | |
876 | //\r | |
877 | // Unload image, free Image->ImageContext->ModHandle\r | |
878 | //\r | |
879 | PeCoffLoaderUnloadImage (&Image->ImageContext);\r | |
880 | \r | |
881 | //\r | |
882 | // Free our references to the image handle\r | |
883 | //\r | |
884 | if (Image->Handle != NULL) {\r | |
885 | \r | |
886 | Status = CoreLocateHandleBuffer (\r | |
887 | AllHandles,\r | |
888 | NULL,\r | |
889 | NULL,\r | |
890 | &HandleCount,\r | |
891 | &HandleBuffer\r | |
892 | );\r | |
893 | if (!EFI_ERROR (Status)) {\r | |
894 | for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {\r | |
895 | Status = CoreProtocolsPerHandle (\r | |
896 | HandleBuffer[HandleIndex],\r | |
897 | &ProtocolGuidArray,\r | |
898 | &ArrayCount\r | |
899 | );\r | |
900 | if (!EFI_ERROR (Status)) {\r | |
901 | for (ProtocolIndex = 0; ProtocolIndex < ArrayCount; ProtocolIndex++) {\r | |
902 | Status = CoreOpenProtocolInformation (\r | |
903 | HandleBuffer[HandleIndex],\r | |
904 | ProtocolGuidArray[ProtocolIndex],\r | |
905 | &OpenInfo,\r | |
906 | &OpenInfoCount\r | |
907 | );\r | |
908 | if (!EFI_ERROR (Status)) {\r | |
909 | for (OpenInfoIndex = 0; OpenInfoIndex < OpenInfoCount; OpenInfoIndex++) {\r | |
910 | if (OpenInfo[OpenInfoIndex].AgentHandle == Image->Handle) {\r | |
911 | Status = CoreCloseProtocol (\r | |
912 | HandleBuffer[HandleIndex],\r | |
913 | ProtocolGuidArray[ProtocolIndex],\r | |
914 | Image->Handle,\r | |
915 | OpenInfo[OpenInfoIndex].ControllerHandle\r | |
916 | );\r | |
917 | }\r | |
918 | }\r | |
919 | if (OpenInfo != NULL) {\r | |
920 | CoreFreePool(OpenInfo);\r | |
921 | }\r | |
922 | }\r | |
923 | }\r | |
924 | if (ProtocolGuidArray != NULL) {\r | |
925 | CoreFreePool(ProtocolGuidArray);\r | |
926 | }\r | |
927 | }\r | |
928 | }\r | |
929 | if (HandleBuffer != NULL) {\r | |
930 | CoreFreePool (HandleBuffer);\r | |
931 | }\r | |
932 | }\r | |
933 | \r | |
934 | CoreRemoveDebugImageInfoEntry (Image->Handle);\r | |
935 | \r | |
936 | Status = CoreUninstallProtocolInterface (\r | |
937 | Image->Handle,\r | |
938 | &gEfiLoadedImageDevicePathProtocolGuid,\r | |
939 | Image->LoadedImageDevicePath\r | |
940 | );\r | |
941 | \r | |
942 | Status = CoreUninstallProtocolInterface (\r | |
943 | Image->Handle,\r | |
944 | &gEfiLoadedImageProtocolGuid,\r | |
945 | &Image->Info\r | |
946 | );\r | |
947 | \r | |
7547649f | 948 | if (Image->ImageContext.HiiResourceData != 0) {\r |
949 | Status = CoreUninstallProtocolInterface (\r | |
950 | Image->Handle,\r | |
951 | &gEfiHiiPackageListProtocolGuid,\r | |
952 | (VOID *) (UINTN) Image->ImageContext.HiiResourceData\r | |
953 | );\r | |
954 | }\r | |
955 | \r | |
c0a23f8c | 956 | }\r |
957 | \r | |
958 | if (Image->RuntimeData != NULL) {\r | |
959 | if (Image->RuntimeData->Link.ForwardLink != NULL) {\r | |
960 | //\r | |
961 | // Remove the Image from the Runtime Image list as we are about to Free it!\r | |
962 | //\r | |
963 | RemoveEntryList (&Image->RuntimeData->Link);\r | |
03d486b2 | 964 | RemoveImageRecord (Image->RuntimeData);\r |
c0a23f8c | 965 | }\r |
966 | CoreFreePool (Image->RuntimeData);\r | |
967 | }\r | |
968 | \r | |
969 | //\r | |
970 | // Free the Image from memory\r | |
971 | //\r | |
972 | if ((Image->ImageBasePage != 0) && FreePage) {\r | |
973 | CoreFreePages (Image->ImageBasePage, Image->NumberOfPages);\r | |
974 | }\r | |
975 | \r | |
976 | //\r | |
977 | // Done with the Image structure\r | |
978 | //\r | |
979 | if (Image->Info.FilePath != NULL) {\r | |
980 | CoreFreePool (Image->Info.FilePath);\r | |
981 | }\r | |
982 | \r | |
983 | if (Image->LoadedImageDevicePath != NULL) {\r | |
984 | CoreFreePool (Image->LoadedImageDevicePath);\r | |
985 | }\r | |
986 | \r | |
987 | if (Image->FixupData != NULL) {\r | |
988 | CoreFreePool (Image->FixupData);\r | |
989 | }\r | |
990 | \r | |
991 | CoreFreePool (Image);\r | |
992 | }\r | |
993 | \r | |
994 | \r | |
162ed594 | 995 | /**\r |
996 | Loads an EFI image into memory and returns a handle to the image.\r | |
997 | \r | |
57d6f36d | 998 | @param BootPolicy If TRUE, indicates that the request originates\r |
999 | from the boot manager, and that the boot\r | |
1000 | manager is attempting to load FilePath as a\r | |
1001 | boot selection.\r | |
1002 | @param ParentImageHandle The caller's image handle.\r | |
1003 | @param FilePath The specific file path from which the image is\r | |
1004 | loaded.\r | |
1005 | @param SourceBuffer If not NULL, a pointer to the memory location\r | |
1006 | containing a copy of the image to be loaded.\r | |
1007 | @param SourceSize The size in bytes of SourceBuffer.\r | |
1008 | @param DstBuffer The buffer to store the image\r | |
1009 | @param NumberOfPages If not NULL, it inputs a pointer to the page\r | |
1010 | number of DstBuffer and outputs a pointer to\r | |
1011 | the page number of the image. If this number is\r | |
1012 | not enough, return EFI_BUFFER_TOO_SMALL and\r | |
1013 | this parameter contains the required number.\r | |
1014 | @param ImageHandle Pointer to the returned image handle that is\r | |
1015 | created when the image is successfully loaded.\r | |
1016 | @param EntryPoint A pointer to the entry point\r | |
1017 | @param Attribute The bit mask of attributes to set for the load\r | |
1018 | PE image\r | |
1019 | \r | |
1020 | @retval EFI_SUCCESS The image was loaded into memory.\r | |
1021 | @retval EFI_NOT_FOUND The FilePath was not found.\r | |
1022 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r | |
1023 | @retval EFI_BUFFER_TOO_SMALL The buffer is too small\r | |
1024 | @retval EFI_UNSUPPORTED The image type is not supported, or the device\r | |
1025 | path cannot be parsed to locate the proper\r | |
1026 | protocol for loading the file.\r | |
1027 | @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient\r | |
162ed594 | 1028 | resources.\r |
b695e7ff LG |
1029 | @retval EFI_LOAD_ERROR Image was not loaded because the image format was corrupt or not\r |
1030 | understood.\r | |
1031 | @retval EFI_DEVICE_ERROR Image was not loaded because the device returned a read error.\r | |
1032 | @retval EFI_ACCESS_DENIED Image was not loaded because the platform policy prohibits the \r | |
1033 | image from being loaded. NULL is returned in *ImageHandle.\r | |
1034 | @retval EFI_SECURITY_VIOLATION Image was loaded and an ImageHandle was created with a \r | |
1035 | valid EFI_LOADED_IMAGE_PROTOCOL. However, the current \r | |
1036 | platform policy specifies that the image should not be started.\r | |
162ed594 | 1037 | \r |
1038 | **/\r | |
28a00297 | 1039 | EFI_STATUS\r |
1040 | CoreLoadImageCommon (\r | |
1041 | IN BOOLEAN BootPolicy,\r | |
1042 | IN EFI_HANDLE ParentImageHandle,\r | |
1043 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
1044 | IN VOID *SourceBuffer OPTIONAL,\r | |
1045 | IN UINTN SourceSize,\r | |
1046 | IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,\r | |
1047 | IN OUT UINTN *NumberOfPages OPTIONAL,\r | |
1048 | OUT EFI_HANDLE *ImageHandle,\r | |
1049 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,\r | |
1050 | IN UINT32 Attribute\r | |
1051 | )\r | |
28a00297 | 1052 | {\r |
1053 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
1054 | LOADED_IMAGE_PRIVATE_DATA *ParentImage;\r | |
1055 | IMAGE_FILE_HANDLE FHand;\r | |
1056 | EFI_STATUS Status;\r | |
1057 | EFI_STATUS SecurityStatus;\r | |
1058 | EFI_HANDLE DeviceHandle;\r | |
1059 | UINT32 AuthenticationStatus;\r | |
1060 | EFI_DEVICE_PATH_PROTOCOL *OriginalFilePath;\r | |
1061 | EFI_DEVICE_PATH_PROTOCOL *HandleFilePath;\r | |
fa447063 LG |
1062 | EFI_DEVICE_PATH_PROTOCOL *InputFilePath;\r |
1063 | EFI_DEVICE_PATH_PROTOCOL *Node;\r | |
28a00297 | 1064 | UINTN FilePathSize;\r |
bc2dfdbc | 1065 | BOOLEAN ImageIsFromFv;\r |
fa447063 | 1066 | BOOLEAN ImageIsFromLoadFile;\r |
28a00297 | 1067 | \r |
1068 | SecurityStatus = EFI_SUCCESS;\r | |
1069 | \r | |
1070 | ASSERT (gEfiCurrentTpl < TPL_NOTIFY);\r | |
1071 | ParentImage = NULL;\r | |
1072 | \r | |
1073 | //\r | |
1074 | // The caller must pass in a valid ParentImageHandle\r | |
1075 | //\r | |
1076 | if (ImageHandle == NULL || ParentImageHandle == NULL) {\r | |
1077 | return EFI_INVALID_PARAMETER;\r | |
1078 | }\r | |
1079 | \r | |
1080 | ParentImage = CoreLoadedImageInfo (ParentImageHandle);\r | |
1081 | if (ParentImage == NULL) {\r | |
162ed594 | 1082 | DEBUG((DEBUG_LOAD|DEBUG_ERROR, "LoadImageEx: Parent handle not an image handle\n"));\r |
28a00297 | 1083 | return EFI_INVALID_PARAMETER;\r |
1084 | }\r | |
1085 | \r | |
7748df3d LG |
1086 | ZeroMem (&FHand, sizeof (IMAGE_FILE_HANDLE));\r |
1087 | FHand.Signature = IMAGE_FILE_HANDLE_SIGNATURE;\r | |
28a00297 | 1088 | OriginalFilePath = FilePath;\r |
fa447063 | 1089 | InputFilePath = FilePath;\r |
7748df3d LG |
1090 | HandleFilePath = FilePath;\r |
1091 | DeviceHandle = NULL;\r | |
1092 | Status = EFI_SUCCESS;\r | |
1093 | AuthenticationStatus = 0;\r | |
fa447063 LG |
1094 | ImageIsFromFv = FALSE;\r |
1095 | ImageIsFromLoadFile = FALSE;\r | |
bc2dfdbc | 1096 | \r |
7748df3d LG |
1097 | //\r |
1098 | // If the caller passed a copy of the file, then just use it\r | |
1099 | //\r | |
1100 | if (SourceBuffer != NULL) {\r | |
1101 | FHand.Source = SourceBuffer;\r | |
1102 | FHand.SourceSize = SourceSize;\r | |
0407056e SZ |
1103 | Status = CoreLocateDevicePath (&gEfiDevicePathProtocolGuid, &HandleFilePath, &DeviceHandle);\r |
1104 | if (EFI_ERROR (Status)) {\r | |
1105 | DeviceHandle = NULL;\r | |
1106 | }\r | |
7748df3d LG |
1107 | if (SourceSize > 0) {\r |
1108 | Status = EFI_SUCCESS;\r | |
1109 | } else {\r | |
1110 | Status = EFI_LOAD_ERROR;\r | |
1111 | }\r | |
1112 | } else {\r | |
1113 | if (FilePath == NULL) {\r | |
1114 | return EFI_INVALID_PARAMETER;\r | |
1115 | }\r | |
fa447063 LG |
1116 | \r |
1117 | //\r | |
1118 | // Try to get the image device handle by checking the match protocol.\r | |
1119 | //\r | |
1120 | Node = NULL;\r | |
1121 | Status = CoreLocateDevicePath (&gEfiFirmwareVolume2ProtocolGuid, &HandleFilePath, &DeviceHandle);\r | |
1122 | if (!EFI_ERROR (Status)) {\r | |
1123 | ImageIsFromFv = TRUE;\r | |
1124 | } else {\r | |
1125 | HandleFilePath = FilePath;\r | |
1126 | Status = CoreLocateDevicePath (&gEfiSimpleFileSystemProtocolGuid, &HandleFilePath, &DeviceHandle);\r | |
1127 | if (EFI_ERROR (Status)) {\r | |
1128 | if (!BootPolicy) {\r | |
1129 | HandleFilePath = FilePath;\r | |
1130 | Status = CoreLocateDevicePath (&gEfiLoadFile2ProtocolGuid, &HandleFilePath, &DeviceHandle);\r | |
1131 | }\r | |
1132 | if (EFI_ERROR (Status)) {\r | |
1133 | HandleFilePath = FilePath;\r | |
1134 | Status = CoreLocateDevicePath (&gEfiLoadFileProtocolGuid, &HandleFilePath, &DeviceHandle);\r | |
1135 | if (!EFI_ERROR (Status)) {\r | |
1136 | ImageIsFromLoadFile = TRUE;\r | |
1137 | Node = HandleFilePath;\r | |
1138 | }\r | |
1139 | }\r | |
1140 | }\r | |
1141 | }\r | |
1142 | \r | |
7748df3d LG |
1143 | //\r |
1144 | // Get the source file buffer by its device path.\r | |
1145 | //\r | |
1146 | FHand.Source = GetFileBufferByFilePath (\r | |
1147 | BootPolicy, \r | |
1148 | FilePath,\r | |
1149 | &FHand.SourceSize,\r | |
1150 | &AuthenticationStatus\r | |
1151 | );\r | |
1152 | if (FHand.Source == NULL) {\r | |
a13df02e | 1153 | Status = EFI_NOT_FOUND;\r |
7748df3d | 1154 | } else {\r |
7748df3d | 1155 | FHand.FreeBuffer = TRUE;\r |
fa447063 LG |
1156 | if (ImageIsFromLoadFile) {\r |
1157 | //\r | |
1158 | // LoadFile () may cause the device path of the Handle be updated.\r | |
1159 | //\r | |
1160 | OriginalFilePath = AppendDevicePath (DevicePathFromHandle (DeviceHandle), Node);\r | |
7748df3d LG |
1161 | }\r |
1162 | }\r | |
1163 | }\r | |
1164 | \r | |
16bacc07 | 1165 | if (EFI_ERROR (Status)) {\r |
28a00297 | 1166 | Image = NULL;\r |
1167 | goto Done;\r | |
28a00297 | 1168 | }\r |
1169 | \r | |
bc2dfdbc LG |
1170 | if (gSecurity2 != NULL) {\r |
1171 | //\r | |
1172 | // Verify File Authentication through the Security2 Architectural Protocol\r | |
1173 | //\r | |
1174 | SecurityStatus = gSecurity2->FileAuthentication (\r | |
1175 | gSecurity2,\r | |
1176 | OriginalFilePath,\r | |
1177 | FHand.Source,\r | |
1178 | FHand.SourceSize,\r | |
1179 | BootPolicy\r | |
1180 | );\r | |
1181 | if (!EFI_ERROR (SecurityStatus) && ImageIsFromFv) {\r | |
1182 | //\r | |
1183 | // When Security2 is installed, Security Architectural Protocol must be published.\r | |
1184 | //\r | |
1185 | ASSERT (gSecurity != NULL);\r | |
1186 | \r | |
1187 | //\r | |
1188 | // Verify the Authentication Status through the Security Architectural Protocol\r | |
1189 | // Only on images that have been read using Firmware Volume protocol.\r | |
1190 | //\r | |
1191 | SecurityStatus = gSecurity->FileAuthenticationState (\r | |
1192 | gSecurity,\r | |
1193 | AuthenticationStatus,\r | |
1194 | OriginalFilePath\r | |
1195 | );\r | |
1196 | }\r | |
1197 | } else if ((gSecurity != NULL) && (OriginalFilePath != NULL)) {\r | |
1198 | //\r | |
1199 | // Verify the Authentication Status through the Security Architectural Protocol\r | |
1200 | //\r | |
28a00297 | 1201 | SecurityStatus = gSecurity->FileAuthenticationState (\r |
1202 | gSecurity,\r | |
1203 | AuthenticationStatus,\r | |
1204 | OriginalFilePath\r | |
1205 | );\r | |
28a00297 | 1206 | }\r |
1207 | \r | |
bc2dfdbc LG |
1208 | //\r |
1209 | // Check Security Status.\r | |
1210 | //\r | |
1211 | if (EFI_ERROR (SecurityStatus) && SecurityStatus != EFI_SECURITY_VIOLATION) {\r | |
1212 | if (SecurityStatus == EFI_ACCESS_DENIED) {\r | |
1213 | //\r | |
1214 | // Image was not loaded because the platform policy prohibits the image from being loaded.\r | |
1215 | // It's the only place we could meet EFI_ACCESS_DENIED.\r | |
1216 | //\r | |
1217 | *ImageHandle = NULL;\r | |
1218 | }\r | |
1219 | Status = SecurityStatus;\r | |
1220 | Image = NULL;\r | |
1221 | goto Done;\r | |
1222 | }\r | |
28a00297 | 1223 | \r |
1224 | //\r | |
1225 | // Allocate a new image structure\r | |
1226 | //\r | |
9c4ac31c | 1227 | Image = AllocateZeroPool (sizeof(LOADED_IMAGE_PRIVATE_DATA));\r |
28a00297 | 1228 | if (Image == NULL) {\r |
16bacc07 SZ |
1229 | Status = EFI_OUT_OF_RESOURCES;\r |
1230 | goto Done;\r | |
28a00297 | 1231 | }\r |
1232 | \r | |
1233 | //\r | |
1234 | // Pull out just the file portion of the DevicePath for the LoadedImage FilePath\r | |
1235 | //\r | |
cfe9de52 | 1236 | FilePath = OriginalFilePath;\r |
d2fbaaab | 1237 | if (DeviceHandle != NULL) {\r |
1238 | Status = CoreHandleProtocol (DeviceHandle, &gEfiDevicePathProtocolGuid, (VOID **)&HandleFilePath);\r | |
1239 | if (!EFI_ERROR (Status)) {\r | |
1240 | FilePathSize = GetDevicePathSize (HandleFilePath) - sizeof(EFI_DEVICE_PATH_PROTOCOL);\r | |
1241 | FilePath = (EFI_DEVICE_PATH_PROTOCOL *) (((UINT8 *)FilePath) + FilePathSize );\r | |
1242 | }\r | |
28a00297 | 1243 | }\r |
28a00297 | 1244 | //\r |
1245 | // Initialize the fields for an internal driver\r | |
1246 | //\r | |
1247 | Image->Signature = LOADED_IMAGE_PRIVATE_DATA_SIGNATURE;\r | |
1248 | Image->Info.SystemTable = gDxeCoreST;\r | |
1249 | Image->Info.DeviceHandle = DeviceHandle;\r | |
162ed594 | 1250 | Image->Info.Revision = EFI_LOADED_IMAGE_PROTOCOL_REVISION;\r |
9c4ac31c | 1251 | Image->Info.FilePath = DuplicateDevicePath (FilePath);\r |
28a00297 | 1252 | Image->Info.ParentHandle = ParentImageHandle;\r |
1253 | \r | |
85658066 | 1254 | \r |
28a00297 | 1255 | if (NumberOfPages != NULL) {\r |
1256 | Image->NumberOfPages = *NumberOfPages ;\r | |
1257 | } else {\r | |
1258 | Image->NumberOfPages = 0 ;\r | |
1259 | }\r | |
1260 | \r | |
1261 | //\r | |
1262 | // Install the protocol interfaces for this image\r | |
1263 | // don't fire notifications yet\r | |
1264 | //\r | |
1265 | Status = CoreInstallProtocolInterfaceNotify (\r | |
1266 | &Image->Handle,\r | |
1267 | &gEfiLoadedImageProtocolGuid,\r | |
1268 | EFI_NATIVE_INTERFACE,\r | |
1269 | &Image->Info,\r | |
1270 | FALSE\r | |
1271 | );\r | |
1272 | if (EFI_ERROR (Status)) {\r | |
1273 | goto Done;\r | |
1274 | }\r | |
1275 | \r | |
1276 | //\r | |
1277 | // Load the image. If EntryPoint is Null, it will not be set.\r | |
1278 | //\r | |
822360ee | 1279 | Status = CoreLoadPeImage (BootPolicy, &FHand, Image, DstBuffer, EntryPoint, Attribute);\r |
28a00297 | 1280 | if (EFI_ERROR (Status)) {\r |
1281 | if ((Status == EFI_BUFFER_TOO_SMALL) || (Status == EFI_OUT_OF_RESOURCES)) {\r | |
1282 | if (NumberOfPages != NULL) {\r | |
1283 | *NumberOfPages = Image->NumberOfPages;\r | |
1284 | }\r | |
1285 | }\r | |
1286 | goto Done;\r | |
1287 | }\r | |
1288 | \r | |
152af594 | 1289 | if (NumberOfPages != NULL) {\r |
1290 | *NumberOfPages = Image->NumberOfPages;\r | |
57d6f36d | 1291 | }\r |
152af594 | 1292 | \r |
28a00297 | 1293 | //\r |
1294 | // Register the image in the Debug Image Info Table if the attribute is set\r | |
1295 | //\r | |
71f68914 | 1296 | if ((Attribute & EFI_LOAD_PE_IMAGE_ATTRIBUTE_DEBUG_IMAGE_INFO_TABLE_REGISTRATION) != 0) {\r |
28a00297 | 1297 | CoreNewDebugImageInfoEntry (EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL, &Image->Info, Image->Handle);\r |
1298 | }\r | |
1299 | \r | |
1300 | //\r | |
1301 | //Reinstall loaded image protocol to fire any notifications\r | |
1302 | //\r | |
1303 | Status = CoreReinstallProtocolInterface (\r | |
1304 | Image->Handle,\r | |
1305 | &gEfiLoadedImageProtocolGuid,\r | |
1306 | &Image->Info,\r | |
1307 | &Image->Info\r | |
1308 | );\r | |
1309 | if (EFI_ERROR (Status)) {\r | |
1310 | goto Done;\r | |
1311 | }\r | |
1312 | \r | |
ba39e316 | 1313 | //\r |
1314 | // If DevicePath parameter to the LoadImage() is not NULL, then make a copy of DevicePath,\r | |
1315 | // otherwise Loaded Image Device Path Protocol is installed with a NULL interface pointer.\r | |
1316 | //\r | |
1317 | if (OriginalFilePath != NULL) {\r | |
9c4ac31c | 1318 | Image->LoadedImageDevicePath = DuplicateDevicePath (OriginalFilePath);\r |
ba39e316 | 1319 | }\r |
1320 | \r | |
1321 | //\r | |
1322 | // Install Loaded Image Device Path Protocol onto the image handle of a PE/COFE image\r | |
1323 | //\r | |
1324 | Status = CoreInstallProtocolInterface (\r | |
1325 | &Image->Handle,\r | |
1326 | &gEfiLoadedImageDevicePathProtocolGuid,\r | |
1327 | EFI_NATIVE_INTERFACE,\r | |
1328 | Image->LoadedImageDevicePath\r | |
1329 | );\r | |
1330 | if (EFI_ERROR (Status)) {\r | |
1331 | goto Done;\r | |
1332 | }\r | |
28a00297 | 1333 | \r |
7547649f | 1334 | //\r |
1335 | // Install HII Package List Protocol onto the image handle\r | |
1336 | //\r | |
1337 | if (Image->ImageContext.HiiResourceData != 0) {\r | |
1338 | Status = CoreInstallProtocolInterface (\r | |
1339 | &Image->Handle,\r | |
1340 | &gEfiHiiPackageListProtocolGuid,\r | |
1341 | EFI_NATIVE_INTERFACE,\r | |
1342 | (VOID *) (UINTN) Image->ImageContext.HiiResourceData\r | |
1343 | );\r | |
1344 | if (EFI_ERROR (Status)) {\r | |
1345 | goto Done;\r | |
1346 | }\r | |
1347 | }\r | |
d0e92aad | 1348 | ProtectUefiImage (&Image->Info, Image->LoadedImageDevicePath);\r |
7547649f | 1349 | \r |
28a00297 | 1350 | //\r |
1351 | // Success. Return the image handle\r | |
1352 | //\r | |
1353 | *ImageHandle = Image->Handle;\r | |
1354 | \r | |
1355 | Done:\r | |
1356 | //\r | |
1357 | // All done accessing the source file\r | |
1358 | // If we allocated the Source buffer, free it\r | |
1359 | //\r | |
1360 | if (FHand.FreeBuffer) {\r | |
1361 | CoreFreePool (FHand.Source);\r | |
1362 | }\r | |
fa447063 LG |
1363 | if (OriginalFilePath != InputFilePath) {\r |
1364 | CoreFreePool (OriginalFilePath);\r | |
1365 | }\r | |
28a00297 | 1366 | \r |
1367 | //\r | |
1368 | // There was an error. If there's an Image structure, free it\r | |
1369 | //\r | |
1370 | if (EFI_ERROR (Status)) {\r | |
1371 | if (Image != NULL) {\r | |
1372 | CoreUnloadAndCloseImage (Image, (BOOLEAN)(DstBuffer == 0));\r | |
bc2dfdbc | 1373 | Image = NULL;\r |
28a00297 | 1374 | }\r |
1375 | } else if (EFI_ERROR (SecurityStatus)) {\r | |
1376 | Status = SecurityStatus;\r | |
1377 | }\r | |
1378 | \r | |
bc2dfdbc LG |
1379 | //\r |
1380 | // Track the return status from LoadImage.\r | |
1381 | //\r | |
1382 | if (Image != NULL) {\r | |
1383 | Image->LoadImageStatus = Status;\r | |
1384 | }\r | |
1385 | \r | |
28a00297 | 1386 | return Status;\r |
1387 | }\r | |
1388 | \r | |
1389 | \r | |
1390 | \r | |
162ed594 | 1391 | \r |
1392 | /**\r | |
1393 | Loads an EFI image into memory and returns a handle to the image.\r | |
1394 | \r | |
57d6f36d | 1395 | @param BootPolicy If TRUE, indicates that the request originates\r |
1396 | from the boot manager, and that the boot\r | |
1397 | manager is attempting to load FilePath as a\r | |
1398 | boot selection.\r | |
1399 | @param ParentImageHandle The caller's image handle.\r | |
1400 | @param FilePath The specific file path from which the image is\r | |
1401 | loaded.\r | |
1402 | @param SourceBuffer If not NULL, a pointer to the memory location\r | |
1403 | containing a copy of the image to be loaded.\r | |
1404 | @param SourceSize The size in bytes of SourceBuffer.\r | |
1405 | @param ImageHandle Pointer to the returned image handle that is\r | |
1406 | created when the image is successfully loaded.\r | |
1407 | \r | |
1408 | @retval EFI_SUCCESS The image was loaded into memory.\r | |
1409 | @retval EFI_NOT_FOUND The FilePath was not found.\r | |
1410 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r | |
1411 | @retval EFI_UNSUPPORTED The image type is not supported, or the device\r | |
1412 | path cannot be parsed to locate the proper\r | |
1413 | protocol for loading the file.\r | |
1414 | @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient\r | |
162ed594 | 1415 | resources.\r |
b695e7ff LG |
1416 | @retval EFI_LOAD_ERROR Image was not loaded because the image format was corrupt or not\r |
1417 | understood.\r | |
1418 | @retval EFI_DEVICE_ERROR Image was not loaded because the device returned a read error.\r | |
1419 | @retval EFI_ACCESS_DENIED Image was not loaded because the platform policy prohibits the \r | |
1420 | image from being loaded. NULL is returned in *ImageHandle.\r | |
1421 | @retval EFI_SECURITY_VIOLATION Image was loaded and an ImageHandle was created with a \r | |
1422 | valid EFI_LOADED_IMAGE_PROTOCOL. However, the current \r | |
1423 | platform policy specifies that the image should not be started.\r | |
162ed594 | 1424 | \r |
1425 | **/\r | |
28a00297 | 1426 | EFI_STATUS\r |
1427 | EFIAPI\r | |
1428 | CoreLoadImage (\r | |
1429 | IN BOOLEAN BootPolicy,\r | |
1430 | IN EFI_HANDLE ParentImageHandle,\r | |
1431 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
1432 | IN VOID *SourceBuffer OPTIONAL,\r | |
1433 | IN UINTN SourceSize,\r | |
1434 | OUT EFI_HANDLE *ImageHandle\r | |
1435 | )\r | |
28a00297 | 1436 | {\r |
1437 | EFI_STATUS Status;\r | |
7cff25d6 | 1438 | UINT64 Tick;\r |
d2c243e1 | 1439 | EFI_HANDLE Handle;\r |
28a00297 | 1440 | \r |
7cff25d6 | 1441 | Tick = 0;\r |
1442 | PERF_CODE (\r | |
1443 | Tick = GetPerformanceCounter ();\r | |
1444 | );\r | |
28a00297 | 1445 | \r |
1446 | Status = CoreLoadImageCommon (\r | |
1447 | BootPolicy,\r | |
1448 | ParentImageHandle,\r | |
1449 | FilePath,\r | |
1450 | SourceBuffer,\r | |
1451 | SourceSize,\r | |
1be0dda6 | 1452 | (EFI_PHYSICAL_ADDRESS) (UINTN) NULL,\r |
28a00297 | 1453 | NULL,\r |
1454 | ImageHandle,\r | |
1455 | NULL,\r | |
1456 | EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION | EFI_LOAD_PE_IMAGE_ATTRIBUTE_DEBUG_IMAGE_INFO_TABLE_REGISTRATION\r | |
1457 | );\r | |
1458 | \r | |
d2c243e1 LG |
1459 | Handle = NULL; \r |
1460 | if (!EFI_ERROR (Status)) {\r | |
1461 | //\r | |
1462 | // ImageHandle will be valid only Status is success. \r | |
1463 | //\r | |
1464 | Handle = *ImageHandle;\r | |
1465 | }\r | |
1466 | \r | |
1467 | PERF_START (Handle, "LoadImage:", NULL, Tick);\r | |
1468 | PERF_END (Handle, "LoadImage:", NULL, 0);\r | |
28a00297 | 1469 | \r |
1470 | return Status;\r | |
1471 | }\r | |
1472 | \r | |
1473 | \r | |
023c0fec | 1474 | \r |
1475 | /**\r | |
1476 | Loads an EFI image into memory and returns a handle to the image with extended parameters.\r | |
1477 | \r | |
1478 | @param This Calling context\r | |
1479 | @param ParentImageHandle The caller's image handle.\r | |
1480 | @param FilePath The specific file path from which the image is\r | |
1481 | loaded.\r | |
1482 | @param SourceBuffer If not NULL, a pointer to the memory location\r | |
1483 | containing a copy of the image to be loaded.\r | |
1484 | @param SourceSize The size in bytes of SourceBuffer.\r | |
1485 | @param DstBuffer The buffer to store the image.\r | |
1486 | @param NumberOfPages For input, specifies the space size of the\r | |
1487 | image by caller if not NULL. For output,\r | |
1488 | specifies the actual space size needed.\r | |
1489 | @param ImageHandle Image handle for output.\r | |
1490 | @param EntryPoint Image entry point for output.\r | |
1491 | @param Attribute The bit mask of attributes to set for the load\r | |
1492 | PE image.\r | |
1493 | \r | |
1494 | @retval EFI_SUCCESS The image was loaded into memory.\r | |
1495 | @retval EFI_NOT_FOUND The FilePath was not found.\r | |
1496 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r | |
1497 | @retval EFI_UNSUPPORTED The image type is not supported, or the device\r | |
1498 | path cannot be parsed to locate the proper\r | |
1499 | protocol for loading the file.\r | |
1500 | @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient\r | |
1501 | resources.\r | |
b695e7ff LG |
1502 | @retval EFI_LOAD_ERROR Image was not loaded because the image format was corrupt or not\r |
1503 | understood.\r | |
1504 | @retval EFI_DEVICE_ERROR Image was not loaded because the device returned a read error.\r | |
1505 | @retval EFI_ACCESS_DENIED Image was not loaded because the platform policy prohibits the \r | |
1506 | image from being loaded. NULL is returned in *ImageHandle.\r | |
1507 | @retval EFI_SECURITY_VIOLATION Image was loaded and an ImageHandle was created with a \r | |
1508 | valid EFI_LOADED_IMAGE_PROTOCOL. However, the current \r | |
1509 | platform policy specifies that the image should not be started.\r | |
023c0fec | 1510 | \r |
1511 | **/\r | |
1512 | EFI_STATUS\r | |
1513 | EFIAPI\r | |
1514 | CoreLoadImageEx (\r | |
1515 | IN EFI_PE32_IMAGE_PROTOCOL *This,\r | |
1516 | IN EFI_HANDLE ParentImageHandle,\r | |
1517 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
1518 | IN VOID *SourceBuffer OPTIONAL,\r | |
1519 | IN UINTN SourceSize,\r | |
1520 | IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,\r | |
1521 | OUT UINTN *NumberOfPages OPTIONAL,\r | |
1522 | OUT EFI_HANDLE *ImageHandle,\r | |
1523 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,\r | |
1524 | IN UINT32 Attribute\r | |
1525 | )\r | |
1526 | {\r | |
f3235b77 SZ |
1527 | EFI_STATUS Status;\r |
1528 | UINT64 Tick;\r | |
1529 | EFI_HANDLE Handle;\r | |
1530 | \r | |
1531 | Tick = 0;\r | |
1532 | PERF_CODE (\r | |
1533 | Tick = GetPerformanceCounter ();\r | |
1534 | );\r | |
1535 | \r | |
1536 | Status = CoreLoadImageCommon (\r | |
023c0fec | 1537 | TRUE,\r |
1538 | ParentImageHandle,\r | |
1539 | FilePath,\r | |
1540 | SourceBuffer,\r | |
1541 | SourceSize,\r | |
1542 | DstBuffer,\r | |
1543 | NumberOfPages,\r | |
1544 | ImageHandle,\r | |
1545 | EntryPoint,\r | |
1546 | Attribute\r | |
1547 | );\r | |
f3235b77 SZ |
1548 | \r |
1549 | Handle = NULL; \r | |
1550 | if (!EFI_ERROR (Status)) {\r | |
1551 | //\r | |
1552 | // ImageHandle will be valid only Status is success. \r | |
1553 | //\r | |
1554 | Handle = *ImageHandle;\r | |
1555 | }\r | |
1556 | \r | |
1557 | PERF_START (Handle, "LoadImage:", NULL, Tick);\r | |
1558 | PERF_END (Handle, "LoadImage:", NULL, 0);\r | |
1559 | \r | |
1560 | return Status;\r | |
023c0fec | 1561 | }\r |
1562 | \r | |
1563 | \r | |
162ed594 | 1564 | /**\r |
1565 | Transfer control to a loaded image's entry point.\r | |
1566 | \r | |
57d6f36d | 1567 | @param ImageHandle Handle of image to be started.\r |
1568 | @param ExitDataSize Pointer of the size to ExitData\r | |
1569 | @param ExitData Pointer to a pointer to a data buffer that\r | |
b695e7ff | 1570 | includes a Null-terminated string,\r |
57d6f36d | 1571 | optionally followed by additional binary data.\r |
1572 | The string is a description that the caller may\r | |
1573 | use to further indicate the reason for the\r | |
1574 | image's exit.\r | |
1575 | \r | |
1576 | @retval EFI_INVALID_PARAMETER Invalid parameter\r | |
1577 | @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate\r | |
bc2dfdbc | 1578 | @retval EFI_SECURITY_VIOLATION The current platform policy specifies that the image should not be started.\r |
57d6f36d | 1579 | @retval EFI_SUCCESS Successfully transfer control to the image's\r |
162ed594 | 1580 | entry point.\r |
1581 | \r | |
1582 | **/\r | |
28a00297 | 1583 | EFI_STATUS\r |
1584 | EFIAPI\r | |
1585 | CoreStartImage (\r | |
1586 | IN EFI_HANDLE ImageHandle,\r | |
1587 | OUT UINTN *ExitDataSize,\r | |
1588 | OUT CHAR16 **ExitData OPTIONAL\r | |
1589 | )\r | |
28a00297 | 1590 | {\r |
1591 | EFI_STATUS Status;\r | |
1592 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
1593 | LOADED_IMAGE_PRIVATE_DATA *LastImage;\r | |
1594 | UINT64 HandleDatabaseKey;\r | |
1595 | UINTN SetJumpFlag;\r | |
f3235b77 SZ |
1596 | UINT64 Tick;\r |
1597 | EFI_HANDLE Handle;\r | |
1598 | \r | |
1599 | Tick = 0;\r | |
1600 | Handle = ImageHandle;\r | |
28a00297 | 1601 | \r |
1602 | Image = CoreLoadedImageInfo (ImageHandle);\r | |
4008328a | 1603 | if (Image == NULL || Image->Started) {\r |
28a00297 | 1604 | return EFI_INVALID_PARAMETER;\r |
1605 | }\r | |
bc2dfdbc LG |
1606 | if (EFI_ERROR (Image->LoadImageStatus)) {\r |
1607 | return Image->LoadImageStatus;\r | |
1608 | }\r | |
28a00297 | 1609 | \r |
db0b7ad5 LG |
1610 | //\r |
1611 | // The image to be started must have the machine type supported by DxeCore.\r | |
1612 | //\r | |
919df8e6 | 1613 | if (!EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Image->Machine)) {\r |
60c0073f LG |
1614 | //\r |
1615 | // Do not ASSERT here, because image might be loaded via EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED\r | |
1616 | // But it can not be started.\r | |
1617 | //\r | |
f00237c1 LG |
1618 | DEBUG ((EFI_D_ERROR, "Image type %s can't be started ", GetMachineTypeName(Image->Machine)));\r |
1619 | DEBUG ((EFI_D_ERROR, "on %s UEFI system.\n", GetMachineTypeName(mDxeCoreImageMachineType)));\r | |
919df8e6 LG |
1620 | return EFI_UNSUPPORTED;\r |
1621 | }\r | |
1622 | \r | |
f3235b77 SZ |
1623 | PERF_CODE (\r |
1624 | Tick = GetPerformanceCounter ();\r | |
1625 | );\r | |
28a00297 | 1626 | \r |
1627 | \r | |
1628 | //\r | |
1629 | // Push the current start image context, and\r | |
1630 | // link the current image to the head. This is the\r | |
1631 | // only image that can call Exit()\r | |
1632 | //\r | |
1633 | HandleDatabaseKey = CoreGetHandleDatabaseKey ();\r | |
1634 | LastImage = mCurrentImage;\r | |
1635 | mCurrentImage = Image;\r | |
1636 | Image->Tpl = gEfiCurrentTpl;\r | |
1637 | \r | |
1638 | //\r | |
1639 | // Set long jump for Exit() support\r | |
1640 | // JumpContext must be aligned on a CPU specific boundary.\r | |
1641 | // Overallocate the buffer and force the required alignment\r | |
1642 | //\r | |
9c4ac31c | 1643 | Image->JumpBuffer = AllocatePool (sizeof (BASE_LIBRARY_JUMP_BUFFER) + BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT);\r |
28a00297 | 1644 | if (Image->JumpBuffer == NULL) {\r |
f3235b77 SZ |
1645 | //\r |
1646 | // Image may be unloaded after return with failure,\r | |
1647 | // then ImageHandle may be invalid, so use NULL handle to record perf log.\r | |
1648 | //\r | |
1649 | PERF_START (NULL, "StartImage:", NULL, Tick);\r | |
1650 | PERF_END (NULL, "StartImage:", NULL, 0);\r | |
28a00297 | 1651 | return EFI_OUT_OF_RESOURCES;\r |
1652 | }\r | |
1653 | Image->JumpContext = ALIGN_POINTER (Image->JumpBuffer, BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT);\r | |
1654 | \r | |
1655 | SetJumpFlag = SetJump (Image->JumpContext);\r | |
1656 | //\r | |
1657 | // The initial call to SetJump() must always return 0.\r | |
1658 | // Subsequent calls to LongJump() cause a non-zero value to be returned by SetJump().\r | |
1659 | //\r | |
71f68914 | 1660 | if (SetJumpFlag == 0) {\r |
84edd20b | 1661 | RegisterMemoryProfileImage (Image, (Image->ImageContext.ImageType == EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION ? EFI_FV_FILETYPE_APPLICATION : EFI_FV_FILETYPE_DRIVER));\r |
28a00297 | 1662 | //\r |
1663 | // Call the image's entry point\r | |
1664 | //\r | |
1665 | Image->Started = TRUE;\r | |
1666 | Image->Status = Image->EntryPoint (ImageHandle, Image->Info.SystemTable);\r | |
1667 | \r | |
1668 | //\r | |
1669 | // Add some debug information if the image returned with error.\r | |
1670 | // This make the user aware and check if the driver image have already released\r | |
1671 | // all the resource in this situation.\r | |
1672 | //\r | |
1673 | DEBUG_CODE_BEGIN ();\r | |
1674 | if (EFI_ERROR (Image->Status)) {\r | |
91136124 | 1675 | DEBUG ((DEBUG_ERROR, "Error: Image at %11p start failed: %r\n", Image->Info.ImageBase, Image->Status));\r |
28a00297 | 1676 | }\r |
1677 | DEBUG_CODE_END ();\r | |
1678 | \r | |
1679 | //\r | |
1680 | // If the image returns, exit it through Exit()\r | |
1681 | //\r | |
1682 | CoreExit (ImageHandle, Image->Status, 0, NULL);\r | |
1683 | }\r | |
1684 | \r | |
1685 | //\r | |
1686 | // Image has completed. Verify the tpl is the same\r | |
1687 | //\r | |
1688 | ASSERT (Image->Tpl == gEfiCurrentTpl);\r | |
1689 | CoreRestoreTpl (Image->Tpl);\r | |
1690 | \r | |
1691 | CoreFreePool (Image->JumpBuffer);\r | |
1692 | \r | |
1693 | //\r | |
1694 | // Pop the current start image context\r | |
1695 | //\r | |
1696 | mCurrentImage = LastImage;\r | |
1697 | \r | |
1698 | //\r | |
1699 | // Go connect any handles that were created or modified while the image executed.\r | |
1700 | //\r | |
1701 | CoreConnectHandlesByKey (HandleDatabaseKey);\r | |
1702 | \r | |
1703 | //\r | |
1704 | // Handle the image's returned ExitData\r | |
1705 | //\r | |
1706 | DEBUG_CODE_BEGIN ();\r | |
1707 | if (Image->ExitDataSize != 0 || Image->ExitData != NULL) {\r | |
1708 | \r | |
7df7393f | 1709 | DEBUG ((DEBUG_LOAD, "StartImage: ExitDataSize %d, ExitData %p", (UINT32)Image->ExitDataSize, Image->ExitData));\r |
28a00297 | 1710 | if (Image->ExitData != NULL) {\r |
162ed594 | 1711 | DEBUG ((DEBUG_LOAD, " (%hs)", Image->ExitData));\r |
28a00297 | 1712 | }\r |
162ed594 | 1713 | DEBUG ((DEBUG_LOAD, "\n"));\r |
28a00297 | 1714 | }\r |
1715 | DEBUG_CODE_END ();\r | |
1716 | \r | |
1717 | //\r | |
1718 | // Return the exit data to the caller\r | |
1719 | //\r | |
1720 | if (ExitData != NULL && ExitDataSize != NULL) {\r | |
1721 | *ExitDataSize = Image->ExitDataSize;\r | |
1722 | *ExitData = Image->ExitData;\r | |
1723 | } else {\r | |
1724 | //\r | |
1725 | // Caller doesn't want the exit data, free it\r | |
1726 | //\r | |
1727 | CoreFreePool (Image->ExitData);\r | |
1728 | Image->ExitData = NULL;\r | |
1729 | }\r | |
1730 | \r | |
1731 | //\r | |
1732 | // Save the Status because Image will get destroyed if it is unloaded.\r | |
1733 | //\r | |
1734 | Status = Image->Status;\r | |
1735 | \r | |
1736 | //\r | |
1737 | // If the image returned an error, or if the image is an application\r | |
1738 | // unload it\r | |
1739 | //\r | |
1740 | if (EFI_ERROR (Image->Status) || Image->Type == EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION) {\r | |
1741 | CoreUnloadAndCloseImage (Image, TRUE);\r | |
f3235b77 SZ |
1742 | //\r |
1743 | // ImageHandle may be invalid after the image is unloaded, so use NULL handle to record perf log.\r | |
1744 | //\r | |
1745 | Handle = NULL;\r | |
28a00297 | 1746 | }\r |
1747 | \r | |
1748 | //\r | |
1749 | // Done\r | |
1750 | //\r | |
f3235b77 SZ |
1751 | PERF_START (Handle, "StartImage:", NULL, Tick);\r |
1752 | PERF_END (Handle, "StartImage:", NULL, 0);\r | |
28a00297 | 1753 | return Status;\r |
1754 | }\r | |
1755 | \r | |
162ed594 | 1756 | /**\r |
1757 | Terminates the currently loaded EFI image and returns control to boot services.\r | |
1758 | \r | |
57d6f36d | 1759 | @param ImageHandle Handle that identifies the image. This\r |
1760 | parameter is passed to the image on entry.\r | |
1761 | @param Status The image's exit code.\r | |
1762 | @param ExitDataSize The size, in bytes, of ExitData. Ignored if\r | |
1763 | ExitStatus is EFI_SUCCESS.\r | |
1764 | @param ExitData Pointer to a data buffer that includes a\r | |
1765 | Null-terminated Unicode string, optionally\r | |
1766 | followed by additional binary data. The string\r | |
1767 | is a description that the caller may use to\r | |
1768 | further indicate the reason for the image's\r | |
1769 | exit.\r | |
1770 | \r | |
1771 | @retval EFI_INVALID_PARAMETER Image handle is NULL or it is not current\r | |
1772 | image.\r | |
1773 | @retval EFI_SUCCESS Successfully terminates the currently loaded\r | |
1774 | EFI image.\r | |
1775 | @retval EFI_ACCESS_DENIED Should never reach there.\r | |
162ed594 | 1776 | @retval EFI_OUT_OF_RESOURCES Could not allocate pool\r |
1777 | \r | |
1778 | **/\r | |
28a00297 | 1779 | EFI_STATUS\r |
1780 | EFIAPI\r | |
1781 | CoreExit (\r | |
1782 | IN EFI_HANDLE ImageHandle,\r | |
1783 | IN EFI_STATUS Status,\r | |
1784 | IN UINTN ExitDataSize,\r | |
1785 | IN CHAR16 *ExitData OPTIONAL\r | |
1786 | )\r | |
28a00297 | 1787 | {\r |
1788 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
1789 | EFI_TPL OldTpl;\r | |
1790 | \r | |
1791 | //\r | |
1792 | // Prevent possible reentrance to this function\r | |
1793 | // for the same ImageHandle\r | |
57d6f36d | 1794 | //\r |
1795 | OldTpl = CoreRaiseTpl (TPL_NOTIFY);\r | |
1796 | \r | |
28a00297 | 1797 | Image = CoreLoadedImageInfo (ImageHandle);\r |
4008328a | 1798 | if (Image == NULL) {\r |
28a00297 | 1799 | Status = EFI_INVALID_PARAMETER;\r |
1800 | goto Done;\r | |
1801 | }\r | |
1802 | \r | |
1803 | if (!Image->Started) {\r | |
1804 | //\r | |
1805 | // The image has not been started so just free its resources\r | |
1806 | //\r | |
1807 | CoreUnloadAndCloseImage (Image, TRUE);\r | |
1808 | Status = EFI_SUCCESS;\r | |
1809 | goto Done;\r | |
1810 | }\r | |
1811 | \r | |
1812 | //\r | |
1813 | // Image has been started, verify this image can exit\r | |
1814 | //\r | |
1815 | if (Image != mCurrentImage) {\r | |
162ed594 | 1816 | DEBUG ((DEBUG_LOAD|DEBUG_ERROR, "Exit: Image is not exitable image\n"));\r |
28a00297 | 1817 | Status = EFI_INVALID_PARAMETER;\r |
1818 | goto Done;\r | |
1819 | }\r | |
1820 | \r | |
1821 | //\r | |
1822 | // Set status\r | |
1823 | //\r | |
1824 | Image->Status = Status;\r | |
1825 | \r | |
1826 | //\r | |
1827 | // If there's ExitData info, move it\r | |
1828 | //\r | |
1829 | if (ExitData != NULL) {\r | |
1830 | Image->ExitDataSize = ExitDataSize;\r | |
9c4ac31c | 1831 | Image->ExitData = AllocatePool (Image->ExitDataSize);\r |
28a00297 | 1832 | if (Image->ExitData == NULL) {\r |
1833 | Status = EFI_OUT_OF_RESOURCES;\r | |
1834 | goto Done;\r | |
1835 | }\r | |
1836 | CopyMem (Image->ExitData, ExitData, Image->ExitDataSize);\r | |
1837 | }\r | |
1838 | \r | |
1839 | CoreRestoreTpl (OldTpl);\r | |
1840 | //\r | |
1841 | // return to StartImage\r | |
1842 | //\r | |
1843 | LongJump (Image->JumpContext, (UINTN)-1);\r | |
1844 | \r | |
1845 | //\r | |
1846 | // If we return from LongJump, then it is an error\r | |
1847 | //\r | |
1848 | ASSERT (FALSE);\r | |
1849 | Status = EFI_ACCESS_DENIED;\r | |
1850 | Done:\r | |
1851 | CoreRestoreTpl (OldTpl);\r | |
1852 | return Status;\r | |
1853 | }\r | |
1854 | \r | |
1855 | \r | |
1856 | \r | |
28a00297 | 1857 | \r |
162ed594 | 1858 | /**\r |
28a00297 | 1859 | Unloads an image.\r |
1860 | \r | |
57d6f36d | 1861 | @param ImageHandle Handle that identifies the image to be\r |
1862 | unloaded.\r | |
28a00297 | 1863 | \r |
57d6f36d | 1864 | @retval EFI_SUCCESS The image has been unloaded.\r |
6393d9c8 | 1865 | @retval EFI_UNSUPPORTED The image has been started, and does not support\r |
57d6f36d | 1866 | unload.\r |
162ed594 | 1867 | @retval EFI_INVALID_PARAMPETER ImageHandle is not a valid image handle.\r |
28a00297 | 1868 | \r |
162ed594 | 1869 | **/\r |
1870 | EFI_STATUS\r | |
1871 | EFIAPI\r | |
1872 | CoreUnloadImage (\r | |
1873 | IN EFI_HANDLE ImageHandle\r | |
1874 | )\r | |
28a00297 | 1875 | {\r |
1876 | EFI_STATUS Status;\r | |
1877 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
28a00297 | 1878 | \r |
28a00297 | 1879 | Image = CoreLoadedImageInfo (ImageHandle);\r |
1880 | if (Image == NULL ) {\r | |
1881 | //\r | |
1882 | // The image handle is not valid\r | |
1883 | //\r | |
1884 | Status = EFI_INVALID_PARAMETER;\r | |
1885 | goto Done;\r | |
1886 | }\r | |
1887 | \r | |
1888 | if (Image->Started) {\r | |
1889 | //\r | |
1890 | // The image has been started, request it to unload.\r | |
1891 | //\r | |
1892 | Status = EFI_UNSUPPORTED;\r | |
1893 | if (Image->Info.Unload != NULL) {\r | |
1894 | Status = Image->Info.Unload (ImageHandle);\r | |
1895 | }\r | |
1896 | \r | |
1897 | } else {\r | |
1898 | //\r | |
1899 | // This Image hasn't been started, thus it can be unloaded\r | |
1900 | //\r | |
1901 | Status = EFI_SUCCESS;\r | |
1902 | }\r | |
1903 | \r | |
1904 | \r | |
1905 | if (!EFI_ERROR (Status)) {\r | |
1906 | //\r | |
1907 | // if the Image was not started or Unloaded O.K. then clean up\r | |
1908 | //\r | |
1909 | CoreUnloadAndCloseImage (Image, TRUE);\r | |
1910 | }\r | |
1911 | \r | |
1912 | Done:\r | |
28a00297 | 1913 | return Status;\r |
1914 | }\r | |
1915 | \r | |
023c0fec | 1916 | \r |
1917 | \r | |
1918 | /**\r | |
1919 | Unload the specified image.\r | |
1920 | \r | |
1921 | @param This Indicates the calling context.\r | |
1922 | @param ImageHandle The specified image handle.\r | |
1923 | \r | |
1924 | @retval EFI_INVALID_PARAMETER Image handle is NULL.\r | |
1925 | @retval EFI_UNSUPPORTED Attempt to unload an unsupported image.\r | |
1926 | @retval EFI_SUCCESS Image successfully unloaded.\r | |
1927 | \r | |
1928 | **/\r | |
1929 | EFI_STATUS\r | |
1930 | EFIAPI\r | |
1931 | CoreUnloadImageEx (\r | |
1932 | IN EFI_PE32_IMAGE_PROTOCOL *This,\r | |
1933 | IN EFI_HANDLE ImageHandle\r | |
1934 | )\r | |
1935 | {\r | |
1936 | return CoreUnloadImage (ImageHandle);\r | |
1937 | }\r |