projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 28a00297 | 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 | |
| 85658066 | 77 | NULL, // DeviceHandleDevicePath\r |
| 28a00297 | 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 VOID *Pe32Handle,\r | |
| 173 | IN LOADED_IMAGE_PRIVATE_DATA *Image,\r | |
| 174 | IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,\r | |
| 175 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,\r | |
| 176 | IN UINT32 Attribute\r | |
| 177 | )\r | |
| 178 | /*++\r | |
| 179 | \r | |
| 180 | Routine Description:\r | |
| 181 | \r | |
| 182 | Loads, relocates, and invokes a PE/COFF image\r | |
| 183 | \r | |
| 184 | Arguments:\r | |
| 185 | \r | |
| 186 | Pe32Handle - The handle of PE32 image\r | |
| 187 | Image - PE image to be loaded\r | |
| 188 | DstBuffer - The buffer to store the image\r | |
| 189 | EntryPoint - A pointer to the entry point\r | |
| 190 | Attribute - The bit mask of attributes to set for the load PE image\r | |
| 191 | \r | |
| 192 | Returns:\r | |
| 193 | \r | |
| 194 | EFI_SUCCESS - The file was loaded, relocated, and invoked\r | |
| 195 | \r | |
| 196 | EFI_OUT_OF_RESOURCES - There was not enough memory to load and relocate the PE/COFF file\r | |
| 197 | \r | |
| 198 | EFI_INVALID_PARAMETER - Invalid parameter\r | |
| 199 | \r | |
| 200 | EFI_BUFFER_TOO_SMALL - Buffer for image is too small\r | |
| 201 | \r | |
| 202 | --*/\r | |
| 203 | {\r | |
| 204 | EFI_STATUS Status;\r | |
| 205 | BOOLEAN DstBufAlocated;\r | |
| 206 | UINTN Size;\r | |
| 207 | \r | |
| 208 | ZeroMem (&Image->ImageContext, sizeof (Image->ImageContext));\r | |
| 209 | \r | |
| 210 | Image->ImageContext.Handle = Pe32Handle;\r | |
| 211 | Image->ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE)CoreReadImageFile;\r | |
| 212 | \r | |
| 213 | //\r | |
| 214 | // Get information about the image being loaded\r | |
| 215 | //\r | |
| 3d7b0992 | 216 | Status = PeCoffLoaderGetImageInfo (&Image->ImageContext);\r |
| 28a00297 | 217 | if (EFI_ERROR (Status)) {\r |
| 218 | return Status;\r | |
| 219 | }\r | |
| 220 | \r | |
| 221 | if (!EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Image->ImageContext.Machine)) {\r | |
| 222 | //\r | |
| 223 | // The PE/COFF loader can support loading image types that can be executed.\r | |
| 224 | // If we loaded an image type that we can not execute return EFI_UNSUPORTED.\r | |
| 225 | //\r | |
| 226 | return EFI_UNSUPPORTED;\r | |
| 227 | }\r | |
| a0ae8996 LG |
228 | \r |
| 229 | //\r | |
| 230 | // Set EFI memory type based on ImageType\r | |
| 231 | //\r | |
| 232 | switch (Image->ImageContext.ImageType) {\r | |
| 233 | case EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION:\r | |
| 234 | Image->ImageContext.ImageCodeMemoryType = EfiLoaderCode;\r | |
| 235 | Image->ImageContext.ImageDataMemoryType = EfiLoaderData;\r | |
| 236 | break;\r | |
| 237 | case EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER:\r | |
| 238 | Image->ImageContext.ImageCodeMemoryType = EfiBootServicesCode;\r | |
| 239 | Image->ImageContext.ImageDataMemoryType = EfiBootServicesData;\r | |
| 240 | break;\r | |
| 241 | case EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER:\r | |
| 242 | case EFI_IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER:\r | |
| 243 | Image->ImageContext.ImageCodeMemoryType = EfiRuntimeServicesCode;\r | |
| 244 | Image->ImageContext.ImageDataMemoryType = EfiRuntimeServicesData;\r | |
| 245 | break;\r | |
| 246 | default:\r | |
| 247 | Image->ImageContext.ImageError = IMAGE_ERROR_INVALID_SUBSYSTEM;\r | |
| 248 | return EFI_UNSUPPORTED;\r | |
| 249 | }\r | |
| 28a00297 | 250 | \r |
| 251 | //\r | |
| 252 | // Allocate memory of the correct memory type aligned on the required image boundry\r | |
| 253 | //\r | |
| 254 | DstBufAlocated = FALSE;\r | |
| 255 | if (DstBuffer == 0) {\r | |
| 256 | //\r | |
| 257 | // Allocate Destination Buffer as caller did not pass it in\r | |
| 258 | //\r | |
| 259 | \r | |
| 260 | if (Image->ImageContext.SectionAlignment > EFI_PAGE_SIZE) {\r | |
| 261 | Size = (UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment;\r | |
| 262 | } else {\r | |
| 263 | Size = (UINTN)Image->ImageContext.ImageSize;\r | |
| 264 | }\r | |
| 265 | \r | |
| 266 | Image->NumberOfPages = EFI_SIZE_TO_PAGES (Size);\r | |
| 267 | \r | |
| 268 | //\r | |
| 269 | // If the image relocations have not been stripped, then load at any address.\r | |
| 270 | // Otherwise load at the address at which it was linked.\r | |
| 271 | //\r | |
| 272 | // Memory below 1MB should be treated reserved for CSM and there should be\r | |
| 273 | // no modules whose preferred load addresses are below 1MB.\r | |
| 274 | //\r | |
| 275 | Status = EFI_OUT_OF_RESOURCES;\r | |
| 276 | if (Image->ImageContext.ImageAddress >= 0x100000 || Image->ImageContext.RelocationsStripped) {\r | |
| 277 | Status = CoreAllocatePages (\r | |
| 278 | AllocateAddress,\r | |
| 279 | (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType),\r | |
| 280 | Image->NumberOfPages,\r | |
| 281 | &Image->ImageContext.ImageAddress\r | |
| 282 | );\r | |
| 283 | }\r | |
| 284 | if (EFI_ERROR (Status) && !Image->ImageContext.RelocationsStripped) {\r | |
| 285 | Status = CoreAllocatePages (\r | |
| 286 | AllocateAnyPages,\r | |
| 287 | (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType),\r | |
| 288 | Image->NumberOfPages,\r | |
| 289 | &Image->ImageContext.ImageAddress\r | |
| 290 | );\r | |
| 291 | }\r | |
| 292 | if (EFI_ERROR (Status)) {\r | |
| 293 | return Status;\r | |
| 294 | }\r | |
| 295 | DstBufAlocated = TRUE;\r | |
| 296 | } else {\r | |
| 297 | //\r | |
| 298 | // Caller provided the destination buffer\r | |
| 299 | //\r | |
| 300 | \r | |
| 301 | if (Image->ImageContext.RelocationsStripped && (Image->ImageContext.ImageAddress != DstBuffer)) {\r | |
| 302 | //\r | |
| 303 | // If the image relocations were stripped, and the caller provided a\r | |
| 304 | // destination buffer address that does not match the address that the\r | |
| 305 | // image is linked at, then the image cannot be loaded.\r | |
| 306 | //\r | |
| 307 | return EFI_INVALID_PARAMETER;\r | |
| 308 | }\r | |
| 309 | \r | |
| 310 | if (Image->NumberOfPages != 0 &&\r | |
| 311 | Image->NumberOfPages <\r | |
| 312 | (EFI_SIZE_TO_PAGES ((UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment))) {\r | |
| 313 | Image->NumberOfPages = EFI_SIZE_TO_PAGES ((UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment);\r | |
| 314 | return EFI_BUFFER_TOO_SMALL;\r | |
| 315 | }\r | |
| 316 | \r | |
| 317 | Image->NumberOfPages = EFI_SIZE_TO_PAGES ((UINTN)Image->ImageContext.ImageSize + Image->ImageContext.SectionAlignment);\r | |
| 318 | Image->ImageContext.ImageAddress = DstBuffer;\r | |
| 319 | }\r | |
| 320 | \r | |
| 321 | Image->ImageBasePage = Image->ImageContext.ImageAddress;\r | |
| 322 | Image->ImageContext.ImageAddress =\r | |
| 323 | (Image->ImageContext.ImageAddress + Image->ImageContext.SectionAlignment - 1) &\r | |
| 324 | ~((UINTN)Image->ImageContext.SectionAlignment - 1);\r | |
| 325 | \r | |
| 326 | //\r | |
| 327 | // Load the image from the file into the allocated memory\r | |
| 328 | //\r | |
| 3d7b0992 | 329 | Status = PeCoffLoaderLoadImage (&Image->ImageContext);\r |
| 28a00297 | 330 | if (EFI_ERROR (Status)) {\r |
| 331 | goto Done;\r | |
| 332 | }\r | |
| 333 | \r | |
| 334 | //\r | |
| 335 | // If this is a Runtime Driver, then allocate memory for the FixupData that\r | |
| 336 | // is used to relocate the image when SetVirtualAddressMap() is called. The\r | |
| 337 | // relocation is done by the Runtime AP.\r | |
| 338 | //\r | |
| 339 | if (Attribute & EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION) {\r | |
| 340 | if (Image->ImageContext.ImageType == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER) {\r | |
| 341 | Image->ImageContext.FixupData = CoreAllocateRuntimePool ((UINTN)(Image->ImageContext.FixupDataSize));\r | |
| 342 | if (Image->ImageContext.FixupData == NULL) {\r | |
| 343 | Status = EFI_OUT_OF_RESOURCES;\r | |
| 344 | goto Done;\r | |
| 345 | }\r | |
| 346 | }\r | |
| 347 | }\r | |
| 348 | \r | |
| 349 | //\r | |
| 350 | // Relocate the image in memory\r | |
| 351 | //\r | |
| 3d7b0992 | 352 | Status = PeCoffLoaderRelocateImage (&Image->ImageContext);\r |
| 28a00297 | 353 | if (EFI_ERROR (Status)) {\r |
| 354 | goto Done;\r | |
| 355 | }\r | |
| 356 | \r | |
| 357 | //\r | |
| 358 | // Flush the Instruction Cache\r | |
| 359 | //\r | |
| 360 | InvalidateInstructionCacheRange ((VOID *)(UINTN)Image->ImageContext.ImageAddress, (UINTN)Image->ImageContext.ImageSize);\r | |
| 361 | \r | |
| 362 | //\r | |
| 363 | // Copy the machine type from the context to the image private data. This\r | |
| 364 | // is needed during image unload to know if we should call an EBC protocol\r | |
| 365 | // to unload the image.\r | |
| 366 | //\r | |
| 367 | Image->Machine = Image->ImageContext.Machine;\r | |
| 368 | \r | |
| 369 | //\r | |
| 370 | // Get the image entry point. If it's an EBC image, then call into the\r | |
| 371 | // interpreter to create a thunk for the entry point and use the returned\r | |
| 372 | // value for the entry point.\r | |
| 373 | //\r | |
| 374 | Image->EntryPoint = (EFI_IMAGE_ENTRY_POINT)(UINTN)Image->ImageContext.EntryPoint;\r | |
| 375 | if (Image->ImageContext.Machine == EFI_IMAGE_MACHINE_EBC) {\r | |
| 376 | //\r | |
| 377 | // Locate the EBC interpreter protocol\r | |
| 378 | //\r | |
| 379 | Status = CoreLocateProtocol (&gEfiEbcProtocolGuid, NULL, (VOID **)&Image->Ebc);\r | |
| 380 | if (EFI_ERROR(Status)) {\r | |
| 381 | goto Done;\r | |
| 382 | }\r | |
| 383 | \r | |
| 384 | //\r | |
| 385 | // Register a callback for flushing the instruction cache so that created\r | |
| 386 | // thunks can be flushed.\r | |
| 387 | //\r | |
| 388 | Status = Image->Ebc->RegisterICacheFlush (Image->Ebc, (EBC_ICACHE_FLUSH)InvalidateInstructionCacheRange);\r | |
| 389 | if (EFI_ERROR(Status)) {\r | |
| 390 | goto Done;\r | |
| 391 | }\r | |
| 392 | \r | |
| 393 | //\r | |
| 394 | // Create a thunk for the image's entry point. This will be the new\r | |
| 395 | // entry point for the image.\r | |
| 396 | //\r | |
| 397 | Status = Image->Ebc->CreateThunk (\r | |
| 398 | Image->Ebc,\r | |
| 399 | Image->Handle,\r | |
| 400 | (VOID *)(UINTN)Image->ImageContext.EntryPoint,\r | |
| 401 | (VOID **)&Image->EntryPoint\r | |
| 402 | );\r | |
| 403 | if (EFI_ERROR(Status)) {\r | |
| 404 | goto Done;\r | |
| 405 | }\r | |
| 406 | }\r | |
| 407 | \r | |
| 408 | //\r | |
| 409 | // Fill in the image information for the Loaded Image Protocol\r | |
| 410 | //\r | |
| 411 | Image->Type = Image->ImageContext.ImageType;\r | |
| 412 | Image->Info.ImageBase = (VOID *)(UINTN)Image->ImageContext.ImageAddress;\r | |
| 413 | Image->Info.ImageSize = Image->ImageContext.ImageSize;\r | |
| 414 | Image->Info.ImageCodeType = (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType);\r | |
| 415 | Image->Info.ImageDataType = (EFI_MEMORY_TYPE) (Image->ImageContext.ImageDataMemoryType);\r | |
| 416 | if (Attribute & EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION) {\r | |
| 417 | if (Image->ImageContext.ImageType == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER) {\r | |
| 418 | //\r | |
| 419 | // Make a list off all the RT images so we can let the RT AP know about them.\r | |
| 420 | //\r | |
| 421 | Image->RuntimeData = CoreAllocateRuntimePool (sizeof(EFI_RUNTIME_IMAGE_ENTRY));\r | |
| 422 | if (Image->RuntimeData == NULL) {\r | |
| 423 | goto Done;\r | |
| 424 | }\r | |
| 425 | Image->RuntimeData->ImageBase = Image->Info.ImageBase;\r | |
| 426 | Image->RuntimeData->ImageSize = (UINT64) (Image->Info.ImageSize);\r | |
| 427 | Image->RuntimeData->RelocationData = Image->ImageContext.FixupData;\r | |
| 428 | Image->RuntimeData->Handle = Image->Handle;\r | |
| 429 | InsertTailList (&gRuntime->ImageHead, &Image->RuntimeData->Link);\r | |
| 430 | }\r | |
| 431 | }\r | |
| 432 | \r | |
| 433 | //\r | |
| 434 | // Fill in the entry point of the image if it is available\r | |
| 435 | //\r | |
| 436 | if (EntryPoint != NULL) {\r | |
| 437 | *EntryPoint = Image->ImageContext.EntryPoint;\r | |
| 438 | }\r | |
| 439 | \r | |
| 440 | //\r | |
| 441 | // Print the load address and the PDB file name if it is available\r | |
| 442 | //\r | |
| 443 | \r | |
| 444 | DEBUG_CODE_BEGIN ();\r | |
| 445 | \r | |
| 446 | UINTN Index;\r | |
| 447 | UINTN StartIndex;\r | |
| 448 | CHAR8 EfiFileName[256];\r | |
| 449 | \r | |
| 450 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading driver at 0x%10p EntryPoint=0x%10p ", (VOID *)(UINTN)Image->ImageContext.ImageAddress, (VOID *)(UINTN)Image->ImageContext.EntryPoint));\r | |
| 451 | if (Image->ImageContext.PdbPointer != NULL) {\r | |
| 452 | StartIndex = 0;\r | |
| 453 | for (Index = 0; Image->ImageContext.PdbPointer[Index] != 0; Index++) {\r | |
| 454 | if (Image->ImageContext.PdbPointer[Index] == '\\') {\r | |
| 455 | StartIndex = Index + 1;\r | |
| 456 | }\r | |
| 457 | }\r | |
| 458 | //\r | |
| 459 | // Copy the PDB file name to our temporary string, and replace .pdb with .efi\r | |
| 460 | //\r | |
| 461 | for (Index = 0; Index < sizeof (EfiFileName); Index++) {\r | |
| 462 | EfiFileName[Index] = Image->ImageContext.PdbPointer[Index + StartIndex];\r | |
| 463 | if (EfiFileName[Index] == 0) {\r | |
| 464 | EfiFileName[Index] = '.';\r | |
| 465 | }\r | |
| 466 | if (EfiFileName[Index] == '.') {\r | |
| 467 | EfiFileName[Index + 1] = 'e';\r | |
| 468 | EfiFileName[Index + 2] = 'f';\r | |
| 469 | EfiFileName[Index + 3] = 'i';\r | |
| 470 | EfiFileName[Index + 4] = 0;\r | |
| 471 | break;\r | |
| 472 | }\r | |
| 473 | }\r | |
| 474 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "%a", EfiFileName)); // &Image->ImageContext.PdbPointer[StartIndex]));\r | |
| 475 | }\r | |
| 476 | DEBUG ((EFI_D_INFO | EFI_D_LOAD, "\n"));\r | |
| 477 | \r | |
| 478 | DEBUG_CODE_END ();\r | |
| 479 | \r | |
| 480 | return EFI_SUCCESS;\r | |
| 481 | \r | |
| 482 | Done:\r | |
| 483 | \r | |
| 484 | //\r | |
| 485 | // Free memory.\r | |
| 486 | //\r | |
| 487 | \r | |
| 488 | if (DstBufAlocated) {\r | |
| 489 | CoreFreePages (Image->ImageContext.ImageAddress, Image->NumberOfPages);\r | |
| 490 | }\r | |
| 491 | \r | |
| 492 | if (Image->ImageContext.FixupData != NULL) {\r | |
| 493 | CoreFreePool (Image->ImageContext.FixupData);\r | |
| 494 | }\r | |
| 495 | \r | |
| 496 | return Status;\r | |
| 497 | }\r | |
| 498 | \r | |
| 499 | \r | |
| 500 | LOADED_IMAGE_PRIVATE_DATA *\r | |
| 501 | CoreLoadedImageInfo (\r | |
| 502 | IN EFI_HANDLE ImageHandle\r | |
| 503 | )\r | |
| 504 | /*++\r | |
| 505 | \r | |
| 506 | Routine Description:\r | |
| 507 | \r | |
| 508 | Get the image's private data from its handle.\r | |
| 509 | \r | |
| 510 | Arguments:\r | |
| 511 | \r | |
| 512 | ImageHandle - The image handle\r | |
| 513 | \r | |
| 514 | Returns:\r | |
| 515 | \r | |
| 516 | Return the image private data associated with ImageHandle.\r | |
| 517 | \r | |
| 518 | --*/\r | |
| 519 | {\r | |
| 520 | EFI_STATUS Status;\r | |
| 521 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
| 522 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
| 523 | \r | |
| 524 | Status = CoreHandleProtocol (\r | |
| 525 | ImageHandle,\r | |
| 526 | &gEfiLoadedImageProtocolGuid,\r | |
| 527 | (VOID **)&LoadedImage\r | |
| 528 | );\r | |
| 529 | if (!EFI_ERROR (Status)) {\r | |
| 530 | Image = LOADED_IMAGE_PRIVATE_DATA_FROM_THIS (LoadedImage);\r | |
| 531 | } else {\r | |
| 532 | DEBUG ((EFI_D_LOAD, "CoreLoadedImageInfo: Not an ImageHandle %x\n", ImageHandle));\r | |
| 533 | Image = NULL;\r | |
| 534 | }\r | |
| 535 | \r | |
| 536 | return Image;\r | |
| 537 | }\r | |
| 538 | \r | |
| 539 | STATIC\r | |
| 540 | EFI_STATUS\r | |
| 541 | CoreLoadImageCommon (\r | |
| 542 | IN BOOLEAN BootPolicy,\r | |
| 543 | IN EFI_HANDLE ParentImageHandle,\r | |
| 544 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
| 545 | IN VOID *SourceBuffer OPTIONAL,\r | |
| 546 | IN UINTN SourceSize,\r | |
| 547 | IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,\r | |
| 548 | IN OUT UINTN *NumberOfPages OPTIONAL,\r | |
| 549 | OUT EFI_HANDLE *ImageHandle,\r | |
| 550 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,\r | |
| 551 | IN UINT32 Attribute\r | |
| 552 | )\r | |
| 553 | /*++\r | |
| 554 | \r | |
| 555 | Routine Description:\r | |
| 556 | \r | |
| 557 | Loads an EFI image into memory and returns a handle to the image.\r | |
| 558 | \r | |
| 559 | Arguments:\r | |
| 560 | \r | |
| 561 | BootPolicy - If TRUE, indicates that the request originates from the boot manager,\r | |
| 562 | and that the boot manager is attempting to load FilePath as a boot selection.\r | |
| 563 | ParentImageHandle - The caller's image handle.\r | |
| 564 | FilePath - The specific file path from which the image is loaded.\r | |
| 565 | SourceBuffer - If not NULL, a pointer to the memory location containing a copy of\r | |
| 566 | the image to be loaded.\r | |
| 567 | SourceSize - The size in bytes of SourceBuffer.\r | |
| 568 | DstBuffer - The buffer to store the image\r | |
| 569 | NumberOfPages - If not NULL, a pointer to the image's page number, if this number\r | |
| 570 | is not enough, return EFI_BUFFER_TOO_SMALL and this parameter contain\r | |
| 571 | the required number.\r | |
| 572 | ImageHandle - Pointer to the returned image handle that is created when the image\r | |
| 573 | is successfully loaded.\r | |
| 574 | EntryPoint - A pointer to the entry point\r | |
| 575 | Attribute - The bit mask of attributes to set for the load PE image\r | |
| 576 | \r | |
| 577 | Returns:\r | |
| 578 | \r | |
| 579 | EFI_SUCCESS - The image was loaded into memory.\r | |
| 580 | EFI_NOT_FOUND - The FilePath was not found.\r | |
| 581 | EFI_INVALID_PARAMETER - One of the parameters has an invalid value.\r | |
| 582 | EFI_BUFFER_TOO_SMALL - The buffer is too small\r | |
| 583 | EFI_UNSUPPORTED - The image type is not supported, or the device path cannot be\r | |
| 584 | parsed to locate the proper protocol for loading the file.\r | |
| 585 | EFI_OUT_OF_RESOURCES - Image was not loaded due to insufficient resources.\r | |
| 586 | --*/\r | |
| 587 | {\r | |
| 588 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
| 589 | LOADED_IMAGE_PRIVATE_DATA *ParentImage;\r | |
| 590 | IMAGE_FILE_HANDLE FHand;\r | |
| 591 | EFI_STATUS Status;\r | |
| 592 | EFI_STATUS SecurityStatus;\r | |
| 593 | EFI_HANDLE DeviceHandle;\r | |
| 594 | UINT32 AuthenticationStatus;\r | |
| 595 | EFI_DEVICE_PATH_PROTOCOL *OriginalFilePath;\r | |
| 596 | EFI_DEVICE_PATH_PROTOCOL *HandleFilePath;\r | |
| 597 | UINTN FilePathSize;\r | |
| 598 | \r | |
| 599 | SecurityStatus = EFI_SUCCESS;\r | |
| 600 | \r | |
| 601 | ASSERT (gEfiCurrentTpl < TPL_NOTIFY);\r | |
| 602 | ParentImage = NULL;\r | |
| 603 | \r | |
| 604 | //\r | |
| 605 | // The caller must pass in a valid ParentImageHandle\r | |
| 606 | //\r | |
| 607 | if (ImageHandle == NULL || ParentImageHandle == NULL) {\r | |
| 608 | return EFI_INVALID_PARAMETER;\r | |
| 609 | }\r | |
| 610 | \r | |
| 611 | ParentImage = CoreLoadedImageInfo (ParentImageHandle);\r | |
| 612 | if (ParentImage == NULL) {\r | |
| 613 | DEBUG((EFI_D_LOAD|EFI_D_ERROR, "LoadImageEx: Parent handle not an image handle\n"));\r | |
| 614 | return EFI_INVALID_PARAMETER;\r | |
| 615 | }\r | |
| 616 | \r | |
| 617 | //\r | |
| 618 | // Get simple read access to the source file\r | |
| 619 | //\r | |
| 620 | OriginalFilePath = FilePath;\r | |
| 621 | Status = CoreOpenImageFile (\r | |
| 622 | BootPolicy,\r | |
| 623 | SourceBuffer,\r | |
| 624 | SourceSize,\r | |
| 625 | FilePath,\r | |
| 626 | &DeviceHandle,\r | |
| 627 | &FHand,\r | |
| 628 | &AuthenticationStatus\r | |
| 629 | );\r | |
| 630 | if (Status == EFI_ALREADY_STARTED) {\r | |
| 631 | Image = NULL;\r | |
| 632 | goto Done;\r | |
| 633 | } else if (EFI_ERROR (Status)) {\r | |
| 634 | return Status;\r | |
| 635 | }\r | |
| 636 | \r | |
| 637 | //\r | |
| 638 | // Verify the Authentication Status through the Security Architectural Protocol\r | |
| 639 | //\r | |
| 640 | if ((gSecurity != NULL) && (OriginalFilePath != NULL)) {\r | |
| 641 | SecurityStatus = gSecurity->FileAuthenticationState (\r | |
| 642 | gSecurity,\r | |
| 643 | AuthenticationStatus,\r | |
| 644 | OriginalFilePath\r | |
| 645 | );\r | |
| 646 | if (EFI_ERROR (SecurityStatus) && SecurityStatus != EFI_SECURITY_VIOLATION) {\r | |
| 647 | Status = SecurityStatus;\r | |
| 648 | Image = NULL;\r | |
| 649 | goto Done;\r | |
| 650 | }\r | |
| 651 | }\r | |
| 652 | \r | |
| 653 | \r | |
| 654 | //\r | |
| 655 | // Allocate a new image structure\r | |
| 656 | //\r | |
| 657 | Image = CoreAllocateZeroBootServicesPool (sizeof(LOADED_IMAGE_PRIVATE_DATA));\r | |
| 658 | if (Image == NULL) {\r | |
| 659 | return EFI_OUT_OF_RESOURCES;\r | |
| 660 | }\r | |
| 661 | \r | |
| 662 | //\r | |
| 663 | // Pull out just the file portion of the DevicePath for the LoadedImage FilePath\r | |
| 664 | //\r | |
| 665 | Status = CoreHandleProtocol (DeviceHandle, &gEfiDevicePathProtocolGuid, (VOID **)&HandleFilePath);\r | |
| 666 | if (!EFI_ERROR (Status)) {\r | |
| 667 | FilePathSize = CoreDevicePathSize (HandleFilePath) - sizeof(EFI_DEVICE_PATH_PROTOCOL);\r | |
| 668 | FilePath = (EFI_DEVICE_PATH_PROTOCOL *) ( ((UINT8 *)FilePath) + FilePathSize );\r | |
| 85658066 | 669 | Image->DeviceHandleDevicePath = CoreDuplicateDevicePath (HandleFilePath);\r |
| 28a00297 | 670 | }\r |
| 671 | \r | |
| 672 | //\r | |
| 673 | // Initialize the fields for an internal driver\r | |
| 674 | //\r | |
| 675 | Image->Signature = LOADED_IMAGE_PRIVATE_DATA_SIGNATURE;\r | |
| 676 | Image->Info.SystemTable = gDxeCoreST;\r | |
| 677 | Image->Info.DeviceHandle = DeviceHandle;\r | |
| 678 | Image->Info.Revision = EFI_LOADED_IMAGE_INFORMATION_REVISION;\r | |
| 679 | Image->Info.FilePath = CoreDuplicateDevicePath (FilePath);\r | |
| 680 | Image->Info.ParentHandle = ParentImageHandle;\r | |
| 681 | \r | |
| 85658066 | 682 | \r |
| 28a00297 | 683 | if (NumberOfPages != NULL) {\r |
| 684 | Image->NumberOfPages = *NumberOfPages ;\r | |
| 685 | } else {\r | |
| 686 | Image->NumberOfPages = 0 ;\r | |
| 687 | }\r | |
| 688 | \r | |
| 689 | //\r | |
| 690 | // Install the protocol interfaces for this image\r | |
| 691 | // don't fire notifications yet\r | |
| 692 | //\r | |
| 693 | Status = CoreInstallProtocolInterfaceNotify (\r | |
| 694 | &Image->Handle,\r | |
| 695 | &gEfiLoadedImageProtocolGuid,\r | |
| 696 | EFI_NATIVE_INTERFACE,\r | |
| 697 | &Image->Info,\r | |
| 698 | FALSE\r | |
| 699 | );\r | |
| 700 | if (EFI_ERROR (Status)) {\r | |
| 701 | goto Done;\r | |
| 702 | }\r | |
| 703 | \r | |
| 704 | //\r | |
| 705 | // Load the image. If EntryPoint is Null, it will not be set.\r | |
| 706 | //\r | |
| 707 | Status = CoreLoadPeImage (&FHand, Image, DstBuffer, EntryPoint, Attribute);\r | |
| 708 | if (EFI_ERROR (Status)) {\r | |
| 709 | if ((Status == EFI_BUFFER_TOO_SMALL) || (Status == EFI_OUT_OF_RESOURCES)) {\r | |
| 710 | if (NumberOfPages != NULL) {\r | |
| 711 | *NumberOfPages = Image->NumberOfPages;\r | |
| 712 | }\r | |
| 713 | }\r | |
| 714 | goto Done;\r | |
| 715 | }\r | |
| 716 | \r | |
| 717 | //\r | |
| 718 | // Register the image in the Debug Image Info Table if the attribute is set\r | |
| 719 | //\r | |
| 720 | if (Attribute & EFI_LOAD_PE_IMAGE_ATTRIBUTE_DEBUG_IMAGE_INFO_TABLE_REGISTRATION) {\r | |
| 721 | CoreNewDebugImageInfoEntry (EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL, &Image->Info, Image->Handle);\r | |
| 722 | }\r | |
| 723 | \r | |
| 724 | //\r | |
| 725 | //Reinstall loaded image protocol to fire any notifications\r | |
| 726 | //\r | |
| 727 | Status = CoreReinstallProtocolInterface (\r | |
| 728 | Image->Handle,\r | |
| 729 | &gEfiLoadedImageProtocolGuid,\r | |
| 730 | &Image->Info,\r | |
| 731 | &Image->Info\r | |
| 732 | );\r | |
| 733 | if (EFI_ERROR (Status)) {\r | |
| 734 | goto Done;\r | |
| 735 | }\r | |
| 736 | \r | |
| 737 | \r | |
| 738 | //\r | |
| 739 | // Success. Return the image handle\r | |
| 740 | //\r | |
| 741 | *ImageHandle = Image->Handle;\r | |
| 742 | \r | |
| 743 | Done:\r | |
| 744 | //\r | |
| 745 | // All done accessing the source file\r | |
| 746 | // If we allocated the Source buffer, free it\r | |
| 747 | //\r | |
| 748 | if (FHand.FreeBuffer) {\r | |
| 749 | CoreFreePool (FHand.Source);\r | |
| 750 | }\r | |
| 751 | \r | |
| 752 | //\r | |
| 753 | // There was an error. If there's an Image structure, free it\r | |
| 754 | //\r | |
| 755 | if (EFI_ERROR (Status)) {\r | |
| 756 | if (Image != NULL) {\r | |
| 757 | CoreUnloadAndCloseImage (Image, (BOOLEAN)(DstBuffer == 0));\r | |
| 758 | *ImageHandle = NULL;\r | |
| 759 | }\r | |
| 760 | } else if (EFI_ERROR (SecurityStatus)) {\r | |
| 761 | Status = SecurityStatus;\r | |
| 762 | }\r | |
| 763 | \r | |
| 764 | return Status;\r | |
| 765 | }\r | |
| 766 | \r | |
| 767 | \r | |
| 768 | \r | |
| 769 | EFI_STATUS\r | |
| 770 | EFIAPI\r | |
| 771 | CoreLoadImage (\r | |
| 772 | IN BOOLEAN BootPolicy,\r | |
| 773 | IN EFI_HANDLE ParentImageHandle,\r | |
| 774 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
| 775 | IN VOID *SourceBuffer OPTIONAL,\r | |
| 776 | IN UINTN SourceSize,\r | |
| 777 | OUT EFI_HANDLE *ImageHandle\r | |
| 778 | )\r | |
| 779 | /*++\r | |
| 780 | \r | |
| 781 | Routine Description:\r | |
| 782 | \r | |
| 783 | Loads an EFI image into memory and returns a handle to the image.\r | |
| 784 | \r | |
| 785 | Arguments:\r | |
| 786 | \r | |
| 787 | BootPolicy - If TRUE, indicates that the request originates from the boot manager,\r | |
| 788 | and that the boot manager is attempting to load FilePath as a boot selection.\r | |
| 789 | ParentImageHandle - The caller's image handle.\r | |
| 790 | FilePath - The specific file path from which the image is loaded.\r | |
| 791 | SourceBuffer - If not NULL, a pointer to the memory location containing a copy of\r | |
| 792 | the image to be loaded.\r | |
| 793 | SourceSize - The size in bytes of SourceBuffer.\r | |
| 794 | ImageHandle - Pointer to the returned image handle that is created when the image\r | |
| 795 | is successfully loaded.\r | |
| 796 | \r | |
| 797 | Returns:\r | |
| 798 | \r | |
| 799 | EFI_SUCCESS - The image was loaded into memory.\r | |
| 800 | EFI_NOT_FOUND - The FilePath was not found.\r | |
| 801 | EFI_INVALID_PARAMETER - One of the parameters has an invalid value.\r | |
| 802 | EFI_UNSUPPORTED - The image type is not supported, or the device path cannot be\r | |
| 803 | parsed to locate the proper protocol for loading the file.\r | |
| 804 | EFI_OUT_OF_RESOURCES - Image was not loaded due to insufficient resources.\r | |
| 805 | --*/\r | |
| 806 | {\r | |
| 807 | EFI_STATUS Status;\r | |
| 808 | \r | |
| 809 | PERF_START (NULL, "LoadImage", NULL, 0);\r | |
| 810 | \r | |
| 811 | Status = CoreLoadImageCommon (\r | |
| 812 | BootPolicy,\r | |
| 813 | ParentImageHandle,\r | |
| 814 | FilePath,\r | |
| 815 | SourceBuffer,\r | |
| 816 | SourceSize,\r | |
| 817 | (EFI_PHYSICAL_ADDRESS)NULL,\r | |
| 818 | NULL,\r | |
| 819 | ImageHandle,\r | |
| 820 | NULL,\r | |
| 821 | EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION | EFI_LOAD_PE_IMAGE_ATTRIBUTE_DEBUG_IMAGE_INFO_TABLE_REGISTRATION\r | |
| 822 | );\r | |
| 823 | \r | |
| 824 | PERF_END (NULL, "LoadImage", NULL, 0);\r | |
| 825 | \r | |
| 826 | return Status;\r | |
| 827 | }\r | |
| 828 | \r | |
| 829 | \r | |
| 830 | EFI_STATUS\r | |
| 831 | EFIAPI\r | |
| 832 | CoreLoadImageEx (\r | |
| 833 | IN EFI_PE32_IMAGE_PROTOCOL *This,\r | |
| 834 | IN EFI_HANDLE ParentImageHandle,\r | |
| 835 | IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r | |
| 836 | IN VOID *SourceBuffer OPTIONAL,\r | |
| 837 | IN UINTN SourceSize,\r | |
| 838 | IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,\r | |
| 839 | OUT UINTN *NumberOfPages OPTIONAL,\r | |
| 840 | OUT EFI_HANDLE *ImageHandle,\r | |
| 841 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,\r | |
| 842 | IN UINT32 Attribute\r | |
| 843 | )\r | |
| 844 | /*++\r | |
| 845 | \r | |
| 846 | Routine Description:\r | |
| 847 | \r | |
| 848 | Loads an EFI image into memory and returns a handle to the image with extended parameters.\r | |
| 849 | \r | |
| 850 | Arguments:\r | |
| 851 | \r | |
| 852 | This - Calling context\r | |
| 853 | ParentImageHandle - The caller's image handle.\r | |
| 854 | FilePath - The specific file path from which the image is loaded.\r | |
| 855 | SourceBuffer - If not NULL, a pointer to the memory location containing a copy of\r | |
| 856 | the image to be loaded.\r | |
| 857 | SourceSize - The size in bytes of SourceBuffer.\r | |
| 858 | DstBuffer - The buffer to store the image.\r | |
| 859 | NumberOfPages - For input, specifies the space size of the image by caller if not NULL.\r | |
| 860 | For output, specifies the actual space size needed.\r | |
| 861 | ImageHandle - Image handle for output.\r | |
| 862 | EntryPoint - Image entry point for output.\r | |
| 863 | Attribute - The bit mask of attributes to set for the load PE image.\r | |
| 864 | \r | |
| 865 | Returns:\r | |
| 866 | \r | |
| 867 | EFI_SUCCESS - The image was loaded into memory.\r | |
| 868 | EFI_NOT_FOUND - The FilePath was not found.\r | |
| 869 | EFI_INVALID_PARAMETER - One of the parameters has an invalid value.\r | |
| 870 | EFI_UNSUPPORTED - The image type is not supported, or the device path cannot be\r | |
| 871 | parsed to locate the proper protocol for loading the file.\r | |
| 872 | EFI_OUT_OF_RESOURCES - Image was not loaded due to insufficient resources.\r | |
| 873 | --*/\r | |
| 874 | {\r | |
| 875 | return CoreLoadImageCommon (\r | |
| 876 | TRUE,\r | |
| 877 | ParentImageHandle,\r | |
| 878 | FilePath,\r | |
| 879 | SourceBuffer,\r | |
| 880 | SourceSize,\r | |
| 881 | DstBuffer,\r | |
| 882 | NumberOfPages,\r | |
| 883 | ImageHandle,\r | |
| 884 | EntryPoint,\r | |
| 885 | Attribute\r | |
| 886 | );\r | |
| 887 | }\r | |
| 888 | \r | |
| 889 | \r | |
| 890 | \r | |
| 891 | \r | |
| 892 | EFI_STATUS\r | |
| 893 | EFIAPI\r | |
| 894 | CoreStartImage (\r | |
| 895 | IN EFI_HANDLE ImageHandle,\r | |
| 896 | OUT UINTN *ExitDataSize,\r | |
| 897 | OUT CHAR16 **ExitData OPTIONAL\r | |
| 898 | )\r | |
| 899 | /*++\r | |
| 900 | \r | |
| 901 | Routine Description:\r | |
| 902 | \r | |
| 903 | Transfer control to a loaded image's entry point.\r | |
| 904 | \r | |
| 905 | Arguments:\r | |
| 906 | \r | |
| 907 | ImageHandle - Handle of image to be started.\r | |
| 908 | \r | |
| 909 | ExitDataSize - Pointer of the size to ExitData\r | |
| 910 | \r | |
| 911 | ExitData - Pointer to a pointer to a data buffer that includes a Null-terminated\r | |
| 912 | Unicode string, optionally followed by additional binary data. The string\r | |
| 913 | is a description that the caller may use to further indicate the reason for\r | |
| 914 | the image's exit.\r | |
| 915 | \r | |
| 916 | Returns:\r | |
| 917 | \r | |
| 918 | EFI_INVALID_PARAMETER - Invalid parameter\r | |
| 919 | \r | |
| 920 | EFI_OUT_OF_RESOURCES - No enough buffer to allocate\r | |
| 921 | \r | |
| 922 | EFI_SUCCESS - Successfully transfer control to the image's entry point.\r | |
| 923 | \r | |
| 924 | --*/\r | |
| 925 | {\r | |
| 926 | EFI_STATUS Status;\r | |
| 927 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
| 928 | LOADED_IMAGE_PRIVATE_DATA *LastImage;\r | |
| 929 | UINT64 HandleDatabaseKey;\r | |
| 930 | UINTN SetJumpFlag;\r | |
| 931 | \r | |
| 932 | Image = CoreLoadedImageInfo (ImageHandle);\r | |
| 933 | if (Image == NULL_HANDLE || Image->Started) {\r | |
| 934 | return EFI_INVALID_PARAMETER;\r | |
| 935 | }\r | |
| 936 | \r | |
| 937 | //\r | |
| 938 | // Don't profile Objects or invalid start requests\r | |
| 939 | //\r | |
| 940 | PERF_START (ImageHandle, START_IMAGE_TOK, NULL, 0);\r | |
| 941 | \r | |
| 942 | \r | |
| 943 | //\r | |
| 944 | // Push the current start image context, and\r | |
| 945 | // link the current image to the head. This is the\r | |
| 946 | // only image that can call Exit()\r | |
| 947 | //\r | |
| 948 | HandleDatabaseKey = CoreGetHandleDatabaseKey ();\r | |
| 949 | LastImage = mCurrentImage;\r | |
| 950 | mCurrentImage = Image;\r | |
| 951 | Image->Tpl = gEfiCurrentTpl;\r | |
| 952 | \r | |
| 953 | //\r | |
| 954 | // Set long jump for Exit() support\r | |
| 955 | // JumpContext must be aligned on a CPU specific boundary.\r | |
| 956 | // Overallocate the buffer and force the required alignment\r | |
| 957 | //\r | |
| 958 | Image->JumpBuffer = CoreAllocateBootServicesPool (sizeof (BASE_LIBRARY_JUMP_BUFFER) + BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT);\r | |
| 959 | if (Image->JumpBuffer == NULL) {\r | |
| 960 | PERF_END (ImageHandle, START_IMAGE_TOK, NULL, 0);\r | |
| 961 | return EFI_OUT_OF_RESOURCES;\r | |
| 962 | }\r | |
| 963 | Image->JumpContext = ALIGN_POINTER (Image->JumpBuffer, BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT);\r | |
| 964 | \r | |
| 965 | SetJumpFlag = SetJump (Image->JumpContext);\r | |
| 966 | //\r | |
| 967 | // The initial call to SetJump() must always return 0.\r | |
| 968 | // Subsequent calls to LongJump() cause a non-zero value to be returned by SetJump().\r | |
| 969 | //\r | |
| 970 | if (!SetJumpFlag) {\r | |
| 971 | //\r | |
| 972 | // Call the image's entry point\r | |
| 973 | //\r | |
| 974 | Image->Started = TRUE;\r | |
| 975 | Image->Status = Image->EntryPoint (ImageHandle, Image->Info.SystemTable);\r | |
| 976 | \r | |
| 977 | //\r | |
| 978 | // Add some debug information if the image returned with error.\r | |
| 979 | // This make the user aware and check if the driver image have already released\r | |
| 980 | // all the resource in this situation.\r | |
| 981 | //\r | |
| 982 | DEBUG_CODE_BEGIN ();\r | |
| 983 | if (EFI_ERROR (Image->Status)) {\r | |
| 984 | DEBUG ((EFI_D_ERROR, "Error: Image at %10p start failed: %r\n", Image->Info.ImageBase, Image->Status));\r | |
| 985 | }\r | |
| 986 | DEBUG_CODE_END ();\r | |
| 987 | \r | |
| 988 | //\r | |
| 989 | // If the image returns, exit it through Exit()\r | |
| 990 | //\r | |
| 991 | CoreExit (ImageHandle, Image->Status, 0, NULL);\r | |
| 992 | }\r | |
| 993 | \r | |
| 994 | //\r | |
| 995 | // Image has completed. Verify the tpl is the same\r | |
| 996 | //\r | |
| 997 | ASSERT (Image->Tpl == gEfiCurrentTpl);\r | |
| 998 | CoreRestoreTpl (Image->Tpl);\r | |
| 999 | \r | |
| 1000 | CoreFreePool (Image->JumpBuffer);\r | |
| 1001 | \r | |
| 1002 | //\r | |
| 1003 | // Pop the current start image context\r | |
| 1004 | //\r | |
| 1005 | mCurrentImage = LastImage;\r | |
| 1006 | \r | |
| 1007 | //\r | |
| 1008 | // Go connect any handles that were created or modified while the image executed.\r | |
| 1009 | //\r | |
| 1010 | CoreConnectHandlesByKey (HandleDatabaseKey);\r | |
| 1011 | \r | |
| 1012 | //\r | |
| 1013 | // Handle the image's returned ExitData\r | |
| 1014 | //\r | |
| 1015 | DEBUG_CODE_BEGIN ();\r | |
| 1016 | if (Image->ExitDataSize != 0 || Image->ExitData != NULL) {\r | |
| 1017 | \r | |
| 1018 | DEBUG (\r | |
| 1019 | (EFI_D_LOAD,\r | |
| 1020 | "StartImage: ExitDataSize %d, ExitData %x",\r | |
| 1021 | Image->ExitDataSize,\r | |
| 1022 | Image->ExitData)\r | |
| 1023 | );\r | |
| 1024 | if (Image->ExitData != NULL) {\r | |
| 1025 | DEBUG ((EFI_D_LOAD, " (%hs)", Image->ExitData));\r | |
| 1026 | }\r | |
| 1027 | DEBUG ((EFI_D_LOAD, "\n"));\r | |
| 1028 | }\r | |
| 1029 | DEBUG_CODE_END ();\r | |
| 1030 | \r | |
| 1031 | //\r | |
| 1032 | // Return the exit data to the caller\r | |
| 1033 | //\r | |
| 1034 | if (ExitData != NULL && ExitDataSize != NULL) {\r | |
| 1035 | *ExitDataSize = Image->ExitDataSize;\r | |
| 1036 | *ExitData = Image->ExitData;\r | |
| 1037 | } else {\r | |
| 1038 | //\r | |
| 1039 | // Caller doesn't want the exit data, free it\r | |
| 1040 | //\r | |
| 1041 | CoreFreePool (Image->ExitData);\r | |
| 1042 | Image->ExitData = NULL;\r | |
| 1043 | }\r | |
| 1044 | \r | |
| 1045 | //\r | |
| 1046 | // Save the Status because Image will get destroyed if it is unloaded.\r | |
| 1047 | //\r | |
| 1048 | Status = Image->Status;\r | |
| 1049 | \r | |
| 1050 | //\r | |
| 1051 | // If the image returned an error, or if the image is an application\r | |
| 1052 | // unload it\r | |
| 1053 | //\r | |
| 1054 | if (EFI_ERROR (Image->Status) || Image->Type == EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION) {\r | |
| 1055 | CoreUnloadAndCloseImage (Image, TRUE);\r | |
| 1056 | }\r | |
| 1057 | \r | |
| 1058 | //\r | |
| 1059 | // Done\r | |
| 1060 | //\r | |
| 1061 | PERF_END (ImageHandle, START_IMAGE_TOK, NULL, 0);\r | |
| 1062 | return Status;\r | |
| 1063 | }\r | |
| 1064 | \r | |
| 1065 | \r | |
| 1066 | VOID\r | |
| 1067 | CoreUnloadAndCloseImage (\r | |
| 1068 | IN LOADED_IMAGE_PRIVATE_DATA *Image,\r | |
| 1069 | IN BOOLEAN FreePage\r | |
| 1070 | )\r | |
| 1071 | /*++\r | |
| 1072 | \r | |
| 1073 | Routine Description:\r | |
| 1074 | \r | |
| 1075 | Unloads EFI image from memory.\r | |
| 1076 | \r | |
| 1077 | Arguments:\r | |
| 1078 | \r | |
| 1079 | Image - EFI image\r | |
| 1080 | FreePage - Free allocated pages\r | |
| 1081 | \r | |
| 1082 | Returns:\r | |
| 1083 | \r | |
| 1084 | None\r | |
| 1085 | \r | |
| 1086 | --*/\r | |
| 1087 | {\r | |
| 1088 | EFI_STATUS Status;\r | |
| 1089 | UINTN HandleCount;\r | |
| 1090 | EFI_HANDLE *HandleBuffer;\r | |
| 1091 | UINTN HandleIndex;\r | |
| 1092 | EFI_GUID **ProtocolGuidArray;\r | |
| 1093 | UINTN ArrayCount;\r | |
| 1094 | UINTN ProtocolIndex;\r | |
| 1095 | EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfo;\r | |
| 1096 | UINTN OpenInfoCount;\r | |
| 1097 | UINTN OpenInfoIndex;\r | |
| 1098 | \r | |
| 1099 | if (Image->Ebc != NULL) {\r | |
| 1100 | //\r | |
| 1101 | // If EBC protocol exists we must perform cleanups for this image.\r | |
| 1102 | //\r | |
| 1103 | Image->Ebc->UnloadImage (Image->Ebc, Image->Handle);\r | |
| 1104 | }\r | |
| 1105 | \r | |
| 1106 | //\r | |
| 1107 | // Unload image, free Image->ImageContext->ModHandle\r | |
| 1108 | //\r | |
| 3d7b0992 | 1109 | PeCoffLoaderUnloadImage (&Image->ImageContext);\r |
| 28a00297 | 1110 | \r |
| 1111 | //\r | |
| 1112 | // Free our references to the image handle\r | |
| 1113 | //\r | |
| 1114 | if (Image->Handle != NULL_HANDLE) {\r | |
| 1115 | \r | |
| 1116 | Status = CoreLocateHandleBuffer (\r | |
| 1117 | AllHandles,\r | |
| 1118 | NULL,\r | |
| 1119 | NULL,\r | |
| 1120 | &HandleCount,\r | |
| 1121 | &HandleBuffer\r | |
| 1122 | );\r | |
| 1123 | if (!EFI_ERROR (Status)) {\r | |
| 1124 | for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {\r | |
| 1125 | Status = CoreProtocolsPerHandle (\r | |
| 1126 | HandleBuffer[HandleIndex],\r | |
| 1127 | &ProtocolGuidArray,\r | |
| 1128 | &ArrayCount\r | |
| 1129 | );\r | |
| 1130 | if (!EFI_ERROR (Status)) {\r | |
| 1131 | for (ProtocolIndex = 0; ProtocolIndex < ArrayCount; ProtocolIndex++) {\r | |
| 1132 | Status = CoreOpenProtocolInformation (\r | |
| 1133 | HandleBuffer[HandleIndex],\r | |
| 1134 | ProtocolGuidArray[ProtocolIndex],\r | |
| 1135 | &OpenInfo,\r | |
| 1136 | &OpenInfoCount\r | |
| 1137 | );\r | |
| 1138 | if (!EFI_ERROR (Status)) {\r | |
| 1139 | for (OpenInfoIndex = 0; OpenInfoIndex < OpenInfoCount; OpenInfoIndex++) {\r | |
| 1140 | if (OpenInfo[OpenInfoIndex].AgentHandle == Image->Handle) {\r | |
| 1141 | Status = CoreCloseProtocol (\r | |
| 1142 | HandleBuffer[HandleIndex],\r | |
| 1143 | ProtocolGuidArray[ProtocolIndex],\r | |
| 1144 | Image->Handle,\r | |
| 1145 | OpenInfo[OpenInfoIndex].ControllerHandle\r | |
| 1146 | );\r | |
| 1147 | }\r | |
| 1148 | }\r | |
| 1149 | if (OpenInfo != NULL) {\r | |
| 1150 | CoreFreePool(OpenInfo);\r | |
| 1151 | }\r | |
| 1152 | }\r | |
| 1153 | }\r | |
| 1154 | if (ProtocolGuidArray != NULL) {\r | |
| 1155 | CoreFreePool(ProtocolGuidArray);\r | |
| 1156 | }\r | |
| 1157 | }\r | |
| 1158 | }\r | |
| 1159 | if (HandleBuffer != NULL) {\r | |
| 1160 | CoreFreePool (HandleBuffer);\r | |
| 1161 | }\r | |
| 1162 | }\r | |
| 1163 | \r | |
| 1164 | CoreRemoveDebugImageInfoEntry (Image->Handle);\r | |
| 1165 | \r | |
| 1166 | Status = CoreUninstallProtocolInterface (\r | |
| 1167 | Image->Handle,\r | |
| 1168 | &gEfiLoadedImageProtocolGuid,\r | |
| 1169 | &Image->Info\r | |
| 1170 | );\r | |
| 1171 | }\r | |
| 1172 | \r | |
| 1173 | if (Image->RuntimeData != NULL) {\r | |
| 1174 | if (Image->RuntimeData->Link.ForwardLink != NULL) {\r | |
| 1175 | //\r | |
| 1176 | // Remove the Image from the Runtime Image list as we are about to Free it!\r | |
| 1177 | //\r | |
| 1178 | RemoveEntryList (&Image->RuntimeData->Link);\r | |
| 1179 | }\r | |
| 1180 | CoreFreePool (Image->RuntimeData);\r | |
| 1181 | }\r | |
| 1182 | \r | |
| 1183 | //\r | |
| 1184 | // Free the Image from memory\r | |
| 1185 | //\r | |
| 1186 | if ((Image->ImageBasePage != 0) && FreePage) {\r | |
| 1187 | CoreFreePages (Image->ImageBasePage, Image->NumberOfPages);\r | |
| 1188 | }\r | |
| 1189 | \r | |
| 1190 | //\r | |
| 1191 | // Done with the Image structure\r | |
| 1192 | //\r | |
| 1193 | if (Image->Info.FilePath != NULL) {\r | |
| 1194 | CoreFreePool (Image->Info.FilePath);\r | |
| 1195 | }\r | |
| 1196 | \r | |
| 85658066 | 1197 | if (Image->DeviceHandleDevicePath != NULL) {\r |
| 1198 | CoreFreePool (Image->DeviceHandleDevicePath);\r | |
| 1199 | }\r | |
| 1200 | \r | |
| 28a00297 | 1201 | if (Image->FixupData != NULL) {\r |
| 1202 | CoreFreePool (Image->FixupData);\r | |
| 1203 | }\r | |
| 1204 | \r | |
| 1205 | CoreFreePool (Image);\r | |
| 1206 | }\r | |
| 1207 | \r | |
| 1208 | \r | |
| 1209 | \r | |
| 1210 | EFI_STATUS\r | |
| 1211 | EFIAPI\r | |
| 1212 | CoreExit (\r | |
| 1213 | IN EFI_HANDLE ImageHandle,\r | |
| 1214 | IN EFI_STATUS Status,\r | |
| 1215 | IN UINTN ExitDataSize,\r | |
| 1216 | IN CHAR16 *ExitData OPTIONAL\r | |
| 1217 | )\r | |
| 1218 | /*++\r | |
| 1219 | \r | |
| 1220 | Routine Description:\r | |
| 1221 | \r | |
| 1222 | Terminates the currently loaded EFI image and returns control to boot services.\r | |
| 1223 | \r | |
| 1224 | Arguments:\r | |
| 1225 | \r | |
| 1226 | ImageHandle - Handle that identifies the image. This parameter is passed to the image\r | |
| 1227 | on entry.\r | |
| 1228 | Status - The image's exit code.\r | |
| 1229 | ExitDataSize - The size, in bytes, of ExitData. Ignored if ExitStatus is\r | |
| 1230 | EFI_SUCCESS.\r | |
| 1231 | ExitData - Pointer to a data buffer that includes a Null-terminated Unicode string,\r | |
| 1232 | optionally followed by additional binary data. The string is a\r | |
| 1233 | description that the caller may use to further indicate the reason for\r | |
| 1234 | the image's exit.\r | |
| 1235 | \r | |
| 1236 | Returns:\r | |
| 1237 | \r | |
| 1238 | EFI_INVALID_PARAMETER - Image handle is NULL or it is not current image.\r | |
| 1239 | \r | |
| 1240 | EFI_SUCCESS - Successfully terminates the currently loaded EFI image.\r | |
| 1241 | \r | |
| 1242 | EFI_ACCESS_DENIED - Should never reach there.\r | |
| 1243 | \r | |
| 1244 | EFI_OUT_OF_RESOURCES - Could not allocate pool\r | |
| 1245 | \r | |
| 1246 | --*/\r | |
| 1247 | {\r | |
| 1248 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
| 1249 | EFI_TPL OldTpl;\r | |
| 1250 | \r | |
| 1251 | //\r | |
| 1252 | // Prevent possible reentrance to this function\r | |
| 1253 | // for the same ImageHandle\r | |
| 1254 | // \r | |
| 1255 | OldTpl = CoreRaiseTpl (TPL_NOTIFY); \r | |
| 1256 | \r | |
| 1257 | Image = CoreLoadedImageInfo (ImageHandle);\r | |
| 1258 | if (Image == NULL_HANDLE) {\r | |
| 1259 | Status = EFI_INVALID_PARAMETER;\r | |
| 1260 | goto Done;\r | |
| 1261 | }\r | |
| 1262 | \r | |
| 1263 | if (!Image->Started) {\r | |
| 1264 | //\r | |
| 1265 | // The image has not been started so just free its resources\r | |
| 1266 | //\r | |
| 1267 | CoreUnloadAndCloseImage (Image, TRUE);\r | |
| 1268 | Status = EFI_SUCCESS;\r | |
| 1269 | goto Done;\r | |
| 1270 | }\r | |
| 1271 | \r | |
| 1272 | //\r | |
| 1273 | // Image has been started, verify this image can exit\r | |
| 1274 | //\r | |
| 1275 | if (Image != mCurrentImage) {\r | |
| 1276 | DEBUG ((EFI_D_LOAD|EFI_D_ERROR, "Exit: Image is not exitable image\n"));\r | |
| 1277 | Status = EFI_INVALID_PARAMETER;\r | |
| 1278 | goto Done;\r | |
| 1279 | }\r | |
| 1280 | \r | |
| 1281 | //\r | |
| 1282 | // Set status\r | |
| 1283 | //\r | |
| 1284 | Image->Status = Status;\r | |
| 1285 | \r | |
| 1286 | //\r | |
| 1287 | // If there's ExitData info, move it\r | |
| 1288 | //\r | |
| 1289 | if (ExitData != NULL) {\r | |
| 1290 | Image->ExitDataSize = ExitDataSize;\r | |
| 1291 | Image->ExitData = CoreAllocateBootServicesPool (Image->ExitDataSize);\r | |
| 1292 | if (Image->ExitData == NULL) {\r | |
| 1293 | Status = EFI_OUT_OF_RESOURCES;\r | |
| 1294 | goto Done;\r | |
| 1295 | }\r | |
| 1296 | CopyMem (Image->ExitData, ExitData, Image->ExitDataSize);\r | |
| 1297 | }\r | |
| 1298 | \r | |
| 1299 | CoreRestoreTpl (OldTpl);\r | |
| 1300 | //\r | |
| 1301 | // return to StartImage\r | |
| 1302 | //\r | |
| 1303 | LongJump (Image->JumpContext, (UINTN)-1);\r | |
| 1304 | \r | |
| 1305 | //\r | |
| 1306 | // If we return from LongJump, then it is an error\r | |
| 1307 | //\r | |
| 1308 | ASSERT (FALSE);\r | |
| 1309 | Status = EFI_ACCESS_DENIED;\r | |
| 1310 | Done:\r | |
| 1311 | CoreRestoreTpl (OldTpl);\r | |
| 1312 | return Status;\r | |
| 1313 | }\r | |
| 1314 | \r | |
| 1315 | \r | |
| 1316 | \r | |
| 1317 | EFI_STATUS\r | |
| 1318 | EFIAPI\r | |
| 1319 | CoreUnloadImage (\r | |
| 1320 | IN EFI_HANDLE ImageHandle\r | |
| 1321 | )\r | |
| 1322 | /*++\r | |
| 1323 | \r | |
| 1324 | Routine Description:\r | |
| 1325 | \r | |
| 1326 | Unloads an image.\r | |
| 1327 | \r | |
| 1328 | Arguments:\r | |
| 1329 | \r | |
| 1330 | ImageHandle - Handle that identifies the image to be unloaded.\r | |
| 1331 | \r | |
| 1332 | Returns:\r | |
| 1333 | \r | |
| 1334 | EFI_SUCCESS - The image has been unloaded.\r | |
| 1335 | EFI_UNSUPPORTED - The image has been sarted, and does not support unload.\r | |
| 1336 | EFI_INVALID_PARAMPETER - ImageHandle is not a valid image handle.\r | |
| 1337 | \r | |
| 1338 | --*/\r | |
| 1339 | {\r | |
| 1340 | EFI_STATUS Status;\r | |
| 1341 | LOADED_IMAGE_PRIVATE_DATA *Image;\r | |
| 1342 | EFI_TPL OldTpl;\r | |
| 1343 | \r | |
| 1344 | //\r | |
| 1345 | // Prevent possible reentrance to this function\r | |
| 1346 | // for the same ImageHandle\r | |
| 1347 | // \r | |
| 1348 | OldTpl = CoreRaiseTpl (TPL_NOTIFY);\r | |
| 1349 | \r | |
| 1350 | Image = CoreLoadedImageInfo (ImageHandle);\r | |
| 1351 | if (Image == NULL ) {\r | |
| 1352 | //\r | |
| 1353 | // The image handle is not valid\r | |
| 1354 | //\r | |
| 1355 | Status = EFI_INVALID_PARAMETER;\r | |
| 1356 | goto Done;\r | |
| 1357 | }\r | |
| 1358 | \r | |
| 1359 | if (Image->Started) {\r | |
| 1360 | //\r | |
| 1361 | // The image has been started, request it to unload.\r | |
| 1362 | //\r | |
| 1363 | Status = EFI_UNSUPPORTED;\r | |
| 1364 | if (Image->Info.Unload != NULL) {\r | |
| 1365 | Status = Image->Info.Unload (ImageHandle);\r | |
| 1366 | }\r | |
| 1367 | \r | |
| 1368 | } else {\r | |
| 1369 | //\r | |
| 1370 | // This Image hasn't been started, thus it can be unloaded\r | |
| 1371 | //\r | |
| 1372 | Status = EFI_SUCCESS;\r | |
| 1373 | }\r | |
| 1374 | \r | |
| 1375 | \r | |
| 1376 | if (!EFI_ERROR (Status)) {\r | |
| 1377 | //\r | |
| 1378 | // if the Image was not started or Unloaded O.K. then clean up\r | |
| 1379 | //\r | |
| 1380 | CoreUnloadAndCloseImage (Image, TRUE);\r | |
| 1381 | }\r | |
| 1382 | \r | |
| 1383 | Done:\r | |
| 1384 | CoreRestoreTpl (OldTpl);\r | |
| 1385 | return Status;\r | |
| 1386 | }\r | |
| 1387 | \r | |
| 1388 | \r | |
| 1389 | EFI_STATUS\r | |
| 1390 | EFIAPI\r | |
| 1391 | CoreUnloadImageEx (\r | |
| 1392 | IN EFI_PE32_IMAGE_PROTOCOL *This,\r | |
| 1393 | IN EFI_HANDLE ImageHandle\r | |
| 1394 | )\r | |
| 1395 | /*++\r | |
| 1396 | \r | |
| 1397 | Routine Description:\r | |
| 1398 | \r | |
| 1399 | Unload the specified image.\r | |
| 1400 | \r | |
| 1401 | Arguments:\r | |
| 1402 | \r | |
| 1403 | This - Indicates the calling context.\r | |
| 1404 | \r | |
| 1405 | ImageHandle - The specified image handle.\r | |
| 1406 | \r | |
| 1407 | Returns:\r | |
| 1408 | \r | |
| 1409 | EFI_INVALID_PARAMETER - Image handle is NULL.\r | |
| 1410 | \r | |
| 1411 | EFI_UNSUPPORTED - Attempt to unload an unsupported image.\r | |
| 1412 | \r | |
| 1413 | EFI_SUCCESS - Image successfully unloaded.\r | |
| 1414 | \r | |
| 1415 | --*/\r | |
| 1416 | {\r | |
| 1417 | return CoreUnloadImage (ImageHandle);\r | |
| 1418 | }\r |