/** @file\r
Core image handling services to load and unload PeImage.\r
\r
-Copyright (c) 2006 - 2008, Intel Corporation. <BR>\r
-All rights reserved. This program and the accompanying materials\r
+Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
#include "DxeMain.h"\r
#include "Image.h"\r
\r
-#define EFI_LOAD_PE_IMAGE_ATTRIBUTE_NONE 0x00\r
-#define EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION 0x01\r
-#define EFI_LOAD_PE_IMAGE_ATTRIBUTE_DEBUG_IMAGE_INFO_TABLE_REGISTRATION 0x02\r
-\r
//\r
// Module Globals\r
//\r
LOADED_IMAGE_PRIVATE_DATA *mCurrentImage = NULL;\r
\r
+LOAD_PE32_IMAGE_PRIVATE_DATA mLoadPe32PrivateData = {\r
+ LOAD_PE32_IMAGE_PRIVATE_DATA_SIGNATURE,\r
+ NULL,\r
+ {\r
+ CoreLoadImageEx,\r
+ CoreUnloadImageEx\r
+ }\r
+};\r
+\r
\r
//\r
// This code is needed to build the Image handle for the DXE Core\r
NULL, // RuntimeData\r
NULL // LoadedImageDevicePath\r
};\r
-\r
-\r
+//\r
+// The field is define for Loading modules at fixed address feature to tracker the PEI code\r
+// memory range usage. It is a bit mapped array in which every bit indicates the correspoding memory page\r
+// available or not. \r
+//\r
+GLOBAL_REMOVE_IF_UNREFERENCED UINT64 *mDxeCodeMemoryRangeUsageBitMap=NULL;\r
\r
/**\r
Add the Image Services to EFI Boot Services Table and install the protocol\r
gDxeCoreImageHandle = Image->Handle;\r
gDxeCoreLoadedImage = &Image->Info;\r
\r
+ if (FeaturePcdGet (PcdFrameworkCompatibilitySupport)) {\r
+ //\r
+ // Export DXE Core PE Loader functionality for backward compatibility.\r
+ //\r
+ Status = CoreInstallProtocolInterface (\r
+ &mLoadPe32PrivateData.Handle,\r
+ &gEfiLoadPeImageProtocolGuid,\r
+ EFI_NATIVE_INTERFACE,\r
+ &mLoadPe32PrivateData.Pe32Image\r
+ );\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Read image file (specified by UserHandle) into user specified buffer with specified offset\r
+ and length.\r
+\r
+ @param UserHandle Image file handle\r
+ @param Offset Offset to the source file\r
+ @param ReadSize For input, pointer of size to read; For output,\r
+ pointer of size actually read.\r
+ @param Buffer Buffer to write into\r
+\r
+ @retval EFI_SUCCESS Successfully read the specified part of file\r
+ into buffer.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+CoreReadImageFile (\r
+ IN VOID *UserHandle,\r
+ IN UINTN Offset,\r
+ IN OUT UINTN *ReadSize,\r
+ OUT VOID *Buffer\r
+ )\r
+{\r
+ UINTN EndPosition;\r
+ IMAGE_FILE_HANDLE *FHand;\r
+\r
+ FHand = (IMAGE_FILE_HANDLE *)UserHandle;\r
+ ASSERT (FHand->Signature == IMAGE_FILE_HANDLE_SIGNATURE);\r
+\r
//\r
- // Export DXE Core PE Loader functionality\r
+ // Move data from our local copy of the file\r
//\r
+ EndPosition = Offset + *ReadSize;\r
+ if (EndPosition > FHand->SourceSize) {\r
+ *ReadSize = (UINT32)(FHand->SourceSize - Offset);\r
+ }\r
+ if (Offset >= FHand->SourceSize) {\r
+ *ReadSize = 0;\r
+ }\r
+\r
+ CopyMem (Buffer, (CHAR8 *)FHand->Source + Offset, *ReadSize);\r
return EFI_SUCCESS;\r
}\r
+/**\r
+ To check memory usage bit map arry to figure out if the memory range the image will be loaded in is available or not. If \r
+ memory range is avaliable, the function will mark the correponding bits to 1 which indicates the memory range is used.\r
+ The function is only invoked when load modules at fixed address feature is enabled. \r
+ \r
+ @param ImageBase The base addres the image will be loaded at.\r
+ @param ImageSize The size of the image\r
+ \r
+ @retval EFI_SUCCESS The memory range the image will be loaded in is available\r
+ @retval EFI_NOT_FOUND The memory range the image will be loaded in is not available\r
+**/\r
+EFI_STATUS\r
+CheckAndMarkFixLoadingMemoryUsageBitMap (\r
+ IN EFI_PHYSICAL_ADDRESS ImageBase,\r
+ IN UINTN ImageSize\r
+ )\r
+{\r
+ UINT32 DxeCodePageNumber;\r
+ UINT64 DxeCodeSize; \r
+ EFI_PHYSICAL_ADDRESS DxeCodeBase;\r
+ UINTN BaseOffsetPageNumber;\r
+ UINTN TopOffsetPageNumber;\r
+ UINTN Index;\r
+ //\r
+ // The DXE code range includes RuntimeCodePage range and Boot time code range.\r
+ // \r
+ DxeCodePageNumber = PcdGet32(PcdLoadFixAddressRuntimeCodePageNumber);\r
+ DxeCodePageNumber += PcdGet32(PcdLoadFixAddressBootTimeCodePageNumber);\r
+ DxeCodeSize = EFI_PAGES_TO_SIZE(DxeCodePageNumber);\r
+ DxeCodeBase = gLoadModuleAtFixAddressConfigurationTable.DxeCodeTopAddress - DxeCodeSize;\r
+ \r
+ //\r
+ // If the memory usage bit map is not initialized, do it. Every bit in the array \r
+ // indicate the status of the corresponding memory page, available or not\r
+ // \r
+ if (mDxeCodeMemoryRangeUsageBitMap == NULL) {\r
+ mDxeCodeMemoryRangeUsageBitMap = AllocateZeroPool(((DxeCodePageNumber/64) + 1)*sizeof(UINT64));\r
+ }\r
+ //\r
+ // If the Dxe code memory range is not allocated or the bit map array allocation failed, return EFI_NOT_FOUND\r
+ //\r
+ if (!gLoadFixedAddressCodeMemoryReady || mDxeCodeMemoryRangeUsageBitMap == NULL) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
+ //\r
+ // Test the memory range for loading the image in the DXE code range.\r
+ //\r
+ if (gLoadModuleAtFixAddressConfigurationTable.DxeCodeTopAddress < ImageBase + ImageSize ||\r
+ DxeCodeBase > ImageBase) {\r
+ return EFI_NOT_FOUND; \r
+ } \r
+ //\r
+ // Test if the memory is avalaible or not.\r
+ // \r
+ BaseOffsetPageNumber = (UINTN)EFI_SIZE_TO_PAGES((UINT32)(ImageBase - DxeCodeBase));\r
+ TopOffsetPageNumber = (UINTN)EFI_SIZE_TO_PAGES((UINT32)(ImageBase + ImageSize - DxeCodeBase));\r
+ for (Index = BaseOffsetPageNumber; Index < TopOffsetPageNumber; Index ++) {\r
+ if ((mDxeCodeMemoryRangeUsageBitMap[Index / 64] & LShiftU64(1, (Index % 64))) != 0) {\r
+ //\r
+ // This page is already used.\r
+ //\r
+ return EFI_NOT_FOUND; \r
+ }\r
+ }\r
+ \r
+ //\r
+ // Being here means the memory range is available. So mark the bits for the memory range\r
+ // \r
+ for (Index = BaseOffsetPageNumber; Index < TopOffsetPageNumber; Index ++) {\r
+ mDxeCodeMemoryRangeUsageBitMap[Index / 64] |= LShiftU64(1, (Index % 64));\r
+ }\r
+ return EFI_SUCCESS; \r
+}\r
+/**\r
\r
+ Get the fixed loadding address from image header assigned by build tool. This function only be called\r
+ when Loading module at Fixed address feature enabled.\r
\r
+ @param ImageContext Pointer to the image context structure that describes the PE/COFF\r
+ image that needs to be examined by this function.\r
+ @retval EFI_SUCCESS An fixed loading address is assigned to this image by build tools .\r
+ @retval EFI_NOT_FOUND The image has no assigned fixed loadding address.\r
+\r
+**/\r
+EFI_STATUS\r
+GetPeCoffImageFixLoadingAssignedAddress(\r
+ IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r
+ )\r
+{\r
+ UINTN SectionHeaderOffset;\r
+ EFI_STATUS Status;\r
+ EFI_IMAGE_SECTION_HEADER SectionHeader;\r
+ EFI_IMAGE_OPTIONAL_HEADER_UNION *ImgHdr;\r
+ UINT16 Index;\r
+ UINTN Size;\r
+ UINT16 NumberOfSections;\r
+ IMAGE_FILE_HANDLE *Handle;\r
+ UINT64 ValueInSectionHeader;\r
+ \r
+\r
+ Status = EFI_NOT_FOUND;\r
+ \r
+ //\r
+ // Get PeHeader pointer\r
+ //\r
+ Handle = (IMAGE_FILE_HANDLE*)ImageContext->Handle;\r
+ ImgHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *)((CHAR8* )Handle->Source + ImageContext->PeCoffHeaderOffset);\r
+ SectionHeaderOffset = (UINTN)(\r
+ ImageContext->PeCoffHeaderOffset +\r
+ sizeof (UINT32) +\r
+ sizeof (EFI_IMAGE_FILE_HEADER) +\r
+ ImgHdr->Pe32.FileHeader.SizeOfOptionalHeader\r
+ );\r
+ NumberOfSections = ImgHdr->Pe32.FileHeader.NumberOfSections;\r
+\r
+ //\r
+ // Get base address from the first section header that doesn't point to code section.\r
+ //\r
+ for (Index = 0; Index < NumberOfSections; Index++) {\r
+ //\r
+ // Read section header from file\r
+ //\r
+ Size = sizeof (EFI_IMAGE_SECTION_HEADER);\r
+ Status = ImageContext->ImageRead (\r
+ ImageContext->Handle,\r
+ SectionHeaderOffset,\r
+ &Size,\r
+ &SectionHeader\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ \r
+ Status = EFI_NOT_FOUND;\r
+ \r
+ if ((SectionHeader.Characteristics & EFI_IMAGE_SCN_CNT_CODE) == 0) {\r
+ //\r
+ // Build tool will save the address in PointerToRelocations & PointerToLineNumbers fields in the first section header\r
+ // that doesn't point to code section in image header, as well as ImageBase field of image header. And there is an \r
+ // assumption that when the feature is enabled, if a module is assigned a loading address by tools, PointerToRelocations \r
+ // & PointerToLineNumbers fields should NOT be Zero, or else, these 2 fileds should be set to Zero\r
+ //\r
+ ValueInSectionHeader = ReadUnaligned64((UINT64*)&SectionHeader.PointerToRelocations);\r
+ if (ValueInSectionHeader != 0) {\r
+ //\r
+ // When the feature is configured as load module at fixed absolute address, the ImageAddress field of ImageContext \r
+ // hold the spcified address. If the feature is configured as load module at fixed offset, ImageAddress hold an offset\r
+ // relative to top address\r
+ //\r
+ if ((INT64)PcdGet64(PcdLoadModuleAtFixAddressEnable) < 0) {\r
+ ImageContext->ImageAddress = gLoadModuleAtFixAddressConfigurationTable.DxeCodeTopAddress + (INT64)(INTN)ImageContext->ImageAddress;\r
+ }\r
+ //\r
+ // Check if the memory range is avaliable.\r
+ //\r
+ Status = CheckAndMarkFixLoadingMemoryUsageBitMap (ImageContext->ImageAddress, (UINTN)(ImageContext->ImageSize + ImageContext->SectionAlignment));\r
+ }\r
+ break; \r
+ }\r
+ SectionHeaderOffset += sizeof (EFI_IMAGE_SECTION_HEADER);\r
+ }\r
+ 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
+ return Status;\r
+}\r
/**\r
Loads, relocates, and invokes a PE/COFF image\r
\r
// no modules whose preferred load addresses are below 1MB.\r
//\r
Status = EFI_OUT_OF_RESOURCES;\r
- if (Image->ImageContext.ImageAddress >= 0x100000 || Image->ImageContext.RelocationsStripped) {\r
- Status = CoreAllocatePages (\r
- AllocateAddress,\r
- (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType),\r
- Image->NumberOfPages,\r
- &Image->ImageContext.ImageAddress\r
- );\r
- }\r
- if (EFI_ERROR (Status) && !Image->ImageContext.RelocationsStripped) {\r
- Status = CoreAllocatePages (\r
- AllocateAnyPages,\r
- (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType),\r
- Image->NumberOfPages,\r
- &Image->ImageContext.ImageAddress\r
- );\r
+ //\r
+ // If Loading Module At Fixed Address feature is enabled, the module should be loaded to\r
+ // a specified address.\r
+ //\r
+ if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0 ) {\r
+ Status = GetPeCoffImageFixLoadingAssignedAddress (&(Image->ImageContext));\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ //\r
+ // If the code memory is not ready, invoke CoreAllocatePage with AllocateAnyPages to load the driver.\r
+ //\r
+ 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
+ \r
+ Status = CoreAllocatePages (\r
+ AllocateAnyPages,\r
+ (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType),\r
+ Image->NumberOfPages,\r
+ &Image->ImageContext.ImageAddress\r
+ ); \r
+ } \r
+ } else {\r
+ if (Image->ImageContext.ImageAddress >= 0x100000 || Image->ImageContext.RelocationsStripped) {\r
+ Status = CoreAllocatePages (\r
+ AllocateAddress,\r
+ (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType),\r
+ Image->NumberOfPages,\r
+ &Image->ImageContext.ImageAddress\r
+ );\r
+ }\r
+ if (EFI_ERROR (Status) && !Image->ImageContext.RelocationsStripped) {\r
+ Status = CoreAllocatePages (\r
+ AllocateAnyPages,\r
+ (EFI_MEMORY_TYPE) (Image->ImageContext.ImageCodeMemoryType),\r
+ Image->NumberOfPages,\r
+ &Image->ImageContext.ImageAddress\r
+ );\r
+ }\r
}\r
if (EFI_ERROR (Status)) {\r
return Status;\r
\r
Image->ImageBasePage = Image->ImageContext.ImageAddress;\r
if (!Image->ImageContext.IsTeImage) {\r
- Image->ImageContext.ImageAddress =\r
- (Image->ImageContext.ImageAddress + Image->ImageContext.SectionAlignment - 1) &\r
- ~((UINTN)Image->ImageContext.SectionAlignment - 1);\r
+ Image->ImageContext.ImageAddress =\r
+ (Image->ImageContext.ImageAddress + Image->ImageContext.SectionAlignment - 1) &\r
+ ~((UINTN)Image->ImageContext.SectionAlignment - 1);\r
}\r
\r
//\r
// Locate the EBC interpreter protocol\r
//\r
Status = CoreLocateProtocol (&gEfiEbcProtocolGuid, NULL, (VOID **)&Image->Ebc);\r
- if (EFI_ERROR(Status)) {\r
+ if (EFI_ERROR(Status) || Image->Ebc == NULL) {\r
DEBUG ((DEBUG_LOAD | DEBUG_ERROR, "CoreLoadPeImage: There is no EBC interpreter for an EBC image.\n"));\r
goto Done;\r
}\r
&Image->Info\r
);\r
\r
+ if (Image->ImageContext.HiiResourceData != 0) {\r
+ Status = CoreUninstallProtocolInterface (\r
+ Image->Handle,\r
+ &gEfiHiiPackageListProtocolGuid,\r
+ (VOID *) (UINTN) Image->ImageContext.HiiResourceData\r
+ );\r
+ }\r
+\r
}\r
\r
if (Image->RuntimeData != NULL) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- //\r
- // Get simple read access to the source file\r
- //\r
+ ZeroMem (&FHand, sizeof (IMAGE_FILE_HANDLE));\r
+ FHand.Signature = IMAGE_FILE_HANDLE_SIGNATURE;\r
OriginalFilePath = FilePath;\r
- Status = CoreOpenImageFile (\r
- BootPolicy,\r
- SourceBuffer,\r
- SourceSize,\r
- &FilePath,\r
- &DeviceHandle,\r
- &FHand,\r
- &AuthenticationStatus\r
- );\r
+ HandleFilePath = FilePath;\r
+ DeviceHandle = NULL;\r
+ Status = EFI_SUCCESS;\r
+ AuthenticationStatus = 0;\r
+ //\r
+ // If the caller passed a copy of the file, then just use it\r
+ //\r
+ if (SourceBuffer != NULL) {\r
+ FHand.Source = SourceBuffer;\r
+ FHand.SourceSize = SourceSize;\r
+ CoreLocateDevicePath (&gEfiDevicePathProtocolGuid, &HandleFilePath, &DeviceHandle);\r
+ if (SourceSize > 0) {\r
+ Status = EFI_SUCCESS;\r
+ } else {\r
+ Status = EFI_LOAD_ERROR;\r
+ }\r
+ } else {\r
+ if (FilePath == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ //\r
+ // Get the source file buffer by its device path.\r
+ //\r
+ FHand.Source = GetFileBufferByFilePath (\r
+ BootPolicy, \r
+ FilePath,\r
+ &FHand.SourceSize,\r
+ &AuthenticationStatus\r
+ );\r
+ if (FHand.Source == NULL) {\r
+ Status = EFI_NOT_FOUND;\r
+ } else {\r
+ //\r
+ // Try to get the image device handle by checking the match protocol.\r
+ //\r
+ FHand.FreeBuffer = TRUE;\r
+ Status = CoreLocateDevicePath (&gEfiFirmwareVolume2ProtocolGuid, &HandleFilePath, &DeviceHandle);\r
+ if (EFI_ERROR (Status)) {\r
+ HandleFilePath = FilePath;\r
+ Status = CoreLocateDevicePath (&gEfiSimpleFileSystemProtocolGuid, &HandleFilePath, &DeviceHandle);\r
+ if (EFI_ERROR (Status)) {\r
+ if (!BootPolicy) {\r
+ HandleFilePath = FilePath;\r
+ Status = CoreLocateDevicePath (&gEfiLoadFile2ProtocolGuid, &HandleFilePath, &DeviceHandle);\r
+ }\r
+ if (EFI_ERROR (Status)) {\r
+ HandleFilePath = FilePath;\r
+ Status = CoreLocateDevicePath (&gEfiLoadFileProtocolGuid, &HandleFilePath, &DeviceHandle);\r
+ }\r
+ }\r
+ }\r
+ }\r
+ }\r
+\r
if (Status == EFI_ALREADY_STARTED) {\r
Image = NULL;\r
goto Done;\r
// Pull out just the file portion of the DevicePath for the LoadedImage FilePath\r
//\r
FilePath = OriginalFilePath;\r
- Status = CoreHandleProtocol (DeviceHandle, &gEfiDevicePathProtocolGuid, (VOID **)&HandleFilePath);\r
- if (!EFI_ERROR (Status)) {\r
- FilePathSize = GetDevicePathSize (HandleFilePath) - sizeof(EFI_DEVICE_PATH_PROTOCOL);\r
- FilePath = (EFI_DEVICE_PATH_PROTOCOL *) (((UINT8 *)FilePath) + FilePathSize );\r
+ if (DeviceHandle != NULL) {\r
+ Status = CoreHandleProtocol (DeviceHandle, &gEfiDevicePathProtocolGuid, (VOID **)&HandleFilePath);\r
+ if (!EFI_ERROR (Status)) {\r
+ FilePathSize = GetDevicePathSize (HandleFilePath) - sizeof(EFI_DEVICE_PATH_PROTOCOL);\r
+ FilePath = (EFI_DEVICE_PATH_PROTOCOL *) (((UINT8 *)FilePath) + FilePathSize );\r
+ }\r
}\r
-\r
//\r
// Initialize the fields for an internal driver\r
//\r
goto Done;\r
}\r
\r
+ //\r
+ // Install HII Package List Protocol onto the image handle\r
+ //\r
+ if (Image->ImageContext.HiiResourceData != 0) {\r
+ Status = CoreInstallProtocolInterface (\r
+ &Image->Handle,\r
+ &gEfiHiiPackageListProtocolGuid,\r
+ EFI_NATIVE_INTERFACE,\r
+ (VOID *) (UINTN) Image->ImageContext.HiiResourceData\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ }\r
+\r
//\r
// Success. Return the image handle\r
//\r
}\r
\r
\r
+\r
+/**\r
+ Loads an EFI image into memory and returns a handle to the image with extended parameters.\r
+\r
+ @param This Calling context\r
+ @param ParentImageHandle The caller's image handle.\r
+ @param FilePath The specific file path from which the image is\r
+ loaded.\r
+ @param SourceBuffer If not NULL, a pointer to the memory location\r
+ containing a copy of the image to be loaded.\r
+ @param SourceSize The size in bytes of SourceBuffer.\r
+ @param DstBuffer The buffer to store the image.\r
+ @param NumberOfPages For input, specifies the space size of the\r
+ image by caller if not NULL. For output,\r
+ specifies the actual space size needed.\r
+ @param ImageHandle Image handle for output.\r
+ @param EntryPoint Image entry point for output.\r
+ @param Attribute The bit mask of attributes to set for the load\r
+ PE image.\r
+\r
+ @retval EFI_SUCCESS The image was loaded into memory.\r
+ @retval EFI_NOT_FOUND The FilePath was not found.\r
+ @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r
+ @retval EFI_UNSUPPORTED The image type is not supported, or the device\r
+ path cannot be parsed to locate the proper\r
+ protocol for loading the file.\r
+ @retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient\r
+ resources.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+CoreLoadImageEx (\r
+ IN EFI_PE32_IMAGE_PROTOCOL *This,\r
+ IN EFI_HANDLE ParentImageHandle,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r
+ IN VOID *SourceBuffer OPTIONAL,\r
+ IN UINTN SourceSize,\r
+ IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,\r
+ OUT UINTN *NumberOfPages OPTIONAL,\r
+ OUT EFI_HANDLE *ImageHandle,\r
+ OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,\r
+ IN UINT32 Attribute\r
+ )\r
+{\r
+ return CoreLoadImageCommon (\r
+ TRUE,\r
+ ParentImageHandle,\r
+ FilePath,\r
+ SourceBuffer,\r
+ SourceSize,\r
+ DstBuffer,\r
+ NumberOfPages,\r
+ ImageHandle,\r
+ EntryPoint,\r
+ Attribute\r
+ );\r
+}\r
+\r
+\r
/**\r
Transfer control to a loaded image's entry point.\r
\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
+ //\r
+ // The image to be started must have the machine type supported by DxeCore.\r
+ //\r
+ ASSERT (EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Image->Machine));\r
+ if (!EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Image->Machine)) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
//\r
// Don't profile Objects or invalid start requests\r
//\r
return Status;\r
}\r
\r
+\r
+\r
+/**\r
+ Unload the specified image.\r
+\r
+ @param This Indicates the calling context.\r
+ @param ImageHandle The specified image handle.\r
+\r
+ @retval EFI_INVALID_PARAMETER Image handle is NULL.\r
+ @retval EFI_UNSUPPORTED Attempt to unload an unsupported image.\r
+ @retval EFI_SUCCESS Image successfully unloaded.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+CoreUnloadImageEx (\r
+ IN EFI_PE32_IMAGE_PROTOCOL *This,\r
+ IN EFI_HANDLE ImageHandle\r
+ )\r
+{\r
+ return CoreUnloadImage (ImageHandle);\r
+}\r
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