-/*++\r
-\r
-Copyright (c) 2006 - 2007, Intel Corporation \r
+/** @file\r
+ Pei Core Load Image Support\r
+ \r
+Copyright (c) 2006 - 2008, Intel Corporation \r
All rights reserved. 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
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
\r
-Module Name:\r
+**/\r
\r
- Image.c\r
+#include <PeiMain.h>\r
\r
-Abstract:\r
+/**\r
+ The wrapper function of PeiLoadImageLoadImage().\r
\r
- Pei Core Load Image Support\r
+ @param This - Pointer to EFI_PEI_LOAD_FILE_PPI.\r
+ @param FileHandle - Pointer to the FFS file header of the image.\r
+ @param ImageAddressArg - Pointer to PE/TE image.\r
+ @param ImageSizeArg - Size of PE/TE image.\r
+ @param EntryPoint - Pointer to entry point of specified image file for output.\r
+ @param AuthenticationState - Pointer to attestation authentication state of image.\r
\r
---*/\r
+ @return Status of PeiLoadImageLoadImage().\r
\r
-//\r
-// Include common header file for this module.\r
-//\r
-#include "CommonHeader.h"\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiLoadImageLoadImageWrapper (\r
+ IN CONST EFI_PEI_LOAD_FILE_PPI *This,\r
+ IN EFI_PEI_FILE_HANDLE FileHandle,\r
+ OUT EFI_PHYSICAL_ADDRESS *ImageAddressArg, OPTIONAL\r
+ OUT UINT64 *ImageSizeArg, OPTIONAL\r
+ OUT EFI_PHYSICAL_ADDRESS *EntryPoint,\r
+ OUT UINT32 *AuthenticationState\r
+ );\r
\r
-#include <PeiMain.h>\r
+STATIC EFI_PEI_LOAD_FILE_PPI mPeiLoadImagePpi = {\r
+ PeiLoadImageLoadImageWrapper\r
+};\r
+\r
+\r
+STATIC EFI_PEI_PPI_DESCRIPTOR gPpiLoadFilePpiList = {\r
+ (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
+ &gEfiPeiLoadFilePpiGuid,\r
+ &mPeiLoadImagePpi\r
+};\r
+\r
+/**\r
+\r
+ Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file\r
\r
\r
+ @param FileHandle - The handle to the PE/COFF file\r
+ @param FileOffset - The offset, in bytes, into the file to read\r
+ @param ReadSize - The number of bytes to read from the file starting at FileOffset\r
+ @param Buffer - A pointer to the buffer to read the data into.\r
\r
+ @return EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset\r
+\r
+**/\r
EFI_STATUS\r
-PeiLoadImage (\r
- IN EFI_PEI_SERVICES **PeiServices,\r
- IN EFI_FFS_FILE_HEADER *PeimFileHeader,\r
- OUT VOID **EntryPoint\r
+EFIAPI\r
+PeiImageRead (\r
+ IN VOID *FileHandle,\r
+ IN UINTN FileOffset,\r
+ IN UINTN *ReadSize,\r
+ OUT VOID *Buffer\r
)\r
-/*++\r
+{\r
+ CHAR8 *Destination8;\r
+ CHAR8 *Source8;\r
+ UINTN Length;\r
+\r
+ Destination8 = Buffer;\r
+ Source8 = (CHAR8 *) ((UINTN) FileHandle + FileOffset);\r
+ Length = *ReadSize;\r
+ while (Length--) {\r
+ *(Destination8++) = *(Source8++);\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
\r
-Routine Description:\r
+/**\r
\r
- Routine for loading file image.\r
+ Support routine to get the Image read file function.\r
\r
-Arguments:\r
+ @param ImageContext - The context of the image being loaded\r
\r
- PeiServices - The PEI core services table.\r
- PeimFileHeader - Pointer to the FFS file header of the image.\r
- EntryPoint - Pointer to entry point of specified image file for output.\r
+ @retval EFI_SUCCESS - If Image function location is found\r
\r
-Returns:\r
+**/\r
+EFI_STATUS\r
+GetImageReadFunction (\r
+ IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r
+ )\r
+{\r
+ VOID* MemoryBuffer;\r
\r
- Status - EFI_SUCCESS - Image is successfully loaded.\r
- EFI_NOT_FOUND - Fail to locate necessary PPI\r
- Others - Fail to load file.\r
+ MemoryBuffer = AllocatePages (0x400 / EFI_PAGE_SIZE + 1);\r
+ ASSERT (MemoryBuffer != NULL);\r
\r
---*/\r
+ CopyMem (MemoryBuffer, (CONST VOID *) (UINTN) PeiImageRead, 0x400);\r
+\r
+ ImageContext->ImageRead = (PE_COFF_LOADER_READ_FILE) (UINTN) MemoryBuffer;\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+\r
+ Loads and relocates a PE/COFF image into memory.\r
+\r
+\r
+ @param Pe32Data - The base address of the PE/COFF file that is to be loaded and relocated\r
+ @param ImageAddress - The base address of the relocated PE/COFF image\r
+ @param ImageSize - The size of the relocated PE/COFF image\r
+ @param EntryPoint - The entry point of the relocated PE/COFF image\r
+\r
+ @retval EFI_SUCCESS The file was loaded and relocated\r
+ @retval EFI_OUT_OF_RESOURCES There was not enough memory to load and relocate the PE/COFF file\r
+ @retval EFI_INVALID_PARAMETER The image withou .reloc section can't be relocated.\r
+\r
+**/\r
+EFI_STATUS\r
+LoadAndRelocatePeCoffImage (\r
+ IN VOID *Pe32Data,\r
+ OUT EFI_PHYSICAL_ADDRESS *ImageAddress,\r
+ OUT UINT64 *ImageSize,\r
+ OUT EFI_PHYSICAL_ADDRESS *EntryPoint\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r
+\r
+ ZeroMem (&ImageContext, sizeof (ImageContext));\r
+ ImageContext.Handle = Pe32Data;\r
+ Status = GetImageReadFunction (&ImageContext);\r
+\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ Status = PeCoffLoaderGetImageInfo (&ImageContext);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ //\r
+ // When Image has no reloc section, it can't be relocated into memory.\r
+ //\r
+ if (ImageContext.RelocationsStripped) {\r
+ DEBUG ((EFI_D_ERROR, "The image at 0x%08x without reloc section can't be loaded into memory\n", (UINTN) Pe32Data));\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ //\r
+ // Allocate Memory for the image\r
+ //\r
+ ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) AllocatePages (EFI_SIZE_TO_PAGES ((UINT32) ImageContext.ImageSize));\r
+ ASSERT (ImageContext.ImageAddress != 0);\r
+ \r
+ //\r
+ // Skip the reserved space for the stripped PeHeader when load TeImage into memory.\r
+ //\r
+ if (ImageContext.IsTeImage) {\r
+ ImageContext.ImageAddress = ImageContext.ImageAddress + \r
+ ((EFI_TE_IMAGE_HEADER *) Pe32Data)->StrippedSize -\r
+ sizeof (EFI_TE_IMAGE_HEADER);\r
+ }\r
+\r
+ //\r
+ // Load the image to our new buffer\r
+ //\r
+ Status = PeCoffLoaderLoadImage (&ImageContext);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ //\r
+ // Relocate the image in our new buffer\r
+ //\r
+ Status = PeCoffLoaderRelocateImage (&ImageContext);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // Flush the instruction cache so the image data is written before we execute it\r
+ //\r
+ InvalidateInstructionCacheRange ((VOID *)(UINTN)ImageContext.ImageAddress, (UINTN)ImageContext.ImageSize);\r
+\r
+ *ImageAddress = ImageContext.ImageAddress;\r
+ *ImageSize = ImageContext.ImageSize;\r
+ *EntryPoint = ImageContext.EntryPoint;\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ Loads a PEIM into memory for subsequent execution. If there are compressed \r
+ images or images that need to be relocated into memory for performance reasons, \r
+ this service performs that transformation.\r
+\r
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r
+ @param FileHandle Pointer to the FFS file header of the image.\r
+ @param ImageAddressArg Pointer to PE/TE image.\r
+ @param ImageSizeArg Size of PE/TE image.\r
+ @param EntryPoint Pointer to entry point of specified image file for output.\r
+ @param AuthenticationState - Pointer to attestation authentication state of image.\r
+\r
+ @retval EFI_SUCCESS Image is successfully loaded.\r
+ @retval EFI_NOT_FOUND Fail to locate necessary PPI.\r
+ @retval EFI_UNSUPPORTED Image Machine Type is not supported.\r
+\r
+**/\r
+EFI_STATUS\r
+PeiLoadImageLoadImage (\r
+ IN EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PEI_FILE_HANDLE FileHandle,\r
+ OUT EFI_PHYSICAL_ADDRESS *ImageAddressArg, OPTIONAL\r
+ OUT UINT64 *ImageSizeArg, OPTIONAL\r
+ OUT EFI_PHYSICAL_ADDRESS *EntryPoint,\r
+ OUT UINT32 *AuthenticationState\r
+ )\r
{\r
EFI_STATUS Status;\r
VOID *Pe32Data;\r
- EFI_PEI_FV_FILE_LOADER_PPI *FvLoadFilePpi;\r
EFI_PHYSICAL_ADDRESS ImageAddress;\r
UINT64 ImageSize;\r
EFI_PHYSICAL_ADDRESS ImageEntryPoint;\r
- EFI_TE_IMAGE_HEADER *TEImageHeader;\r
UINT16 Machine;\r
-\r
- *EntryPoint = NULL;\r
- TEImageHeader = NULL;\r
-\r
+ PEI_CORE_INSTANCE *Private;\r
+ VOID *EntryPointArg;\r
+ EFI_SECTION_TYPE SearchType1;\r
+ EFI_SECTION_TYPE SearchType2;\r
+\r
+ *EntryPoint = 0;\r
+ ImageSize = 0;\r
+ *AuthenticationState = 0;\r
+\r
+ if (FeaturePcdGet (PcdPeiCoreImageLoaderSearchTeSectionFirst)) {\r
+ SearchType1 = EFI_SECTION_TE;\r
+ SearchType2 = EFI_SECTION_PE32;\r
+ } else {\r
+ SearchType1 = EFI_SECTION_PE32;\r
+ SearchType2 = EFI_SECTION_TE;\r
+ }\r
//\r
- // Try to find a PE32 section.\r
+ // Try to find a first exe section (if PcdPeiCoreImageLoaderSearchTeSectionFirst \r
+ // is true, TE will be searched first).\r
//\r
Status = PeiServicesFfsFindSectionData (\r
- EFI_SECTION_PE32,\r
- PeimFileHeader,\r
+ SearchType1,\r
+ FileHandle,\r
&Pe32Data\r
);\r
//\r
- // If we didn't find a PE32 section, try to find a TE section.\r
+ // If we didn't find a first exe section, try to find the second exe section.\r
//\r
if (EFI_ERROR (Status)) {\r
Status = PeiServicesFfsFindSectionData (\r
- EFI_SECTION_TE,\r
- PeimFileHeader,\r
- (VOID **) &TEImageHeader\r
+ SearchType2,\r
+ FileHandle,\r
+ &Pe32Data\r
);\r
- if (EFI_ERROR (Status) || TEImageHeader == NULL) {\r
+ if (EFI_ERROR (Status)) {\r
//\r
- // There was not a PE32 or a TE section, so assume that it's a Compressed section\r
- // and use the LoadFile\r
+ // PEI core only carry the loader function fro TE and PE32 executables\r
+ // If this two section does not exist, just return.\r
//\r
- Status = PeiServicesLocatePpi (\r
- &gEfiPeiFvFileLoaderPpiGuid,\r
- 0,\r
- NULL,\r
- (VOID **)&FvLoadFilePpi\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return EFI_NOT_FOUND;\r
- }\r
-\r
- Status = FvLoadFilePpi->FvLoadFile (\r
- FvLoadFilePpi,\r
- PeimFileHeader,\r
- &ImageAddress,\r
- &ImageSize,\r
- &ImageEntryPoint\r
- );\r
+ return Status;\r
+ }\r
+ }\r
+ \r
+ Private = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);\r
\r
- if (EFI_ERROR (Status)) {\r
- return EFI_NOT_FOUND;\r
- }\r
+ if (Private->PeiMemoryInstalled && \r
+ (Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME)) {\r
+ //\r
+ // If memory is installed, perform the shadow operations\r
+ //\r
+ Status = LoadAndRelocatePeCoffImage (\r
+ Pe32Data,\r
+ &ImageAddress,\r
+ &ImageSize,\r
+ &ImageEntryPoint\r
+ );\r
\r
- //\r
- // Got the entry point from ImageEntryPoint and ImageStartAddress\r
- //\r
- Pe32Data = (VOID *) ((UINTN) ImageAddress);\r
- *EntryPoint = (VOID *) ((UINTN) ImageEntryPoint);\r
- } else {\r
- //\r
- // Retrieve the entry point from the TE image header\r
- //\r
- ImageAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) TEImageHeader;\r
- *EntryPoint = (VOID *)((UINTN) TEImageHeader + sizeof (EFI_TE_IMAGE_HEADER) +\r
- TEImageHeader->AddressOfEntryPoint - TEImageHeader->StrippedSize);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
}\r
+\r
+ //\r
+ // Got the entry point from the loaded Pe32Data\r
+ //\r
+ Pe32Data = (VOID *) ((UINTN) ImageAddress);\r
+ *EntryPoint = ImageEntryPoint;\r
} else {\r
//\r
- // Retrieve the entry point from the PE/COFF image header\r
+ // Retrieve the entry point from the PE/COFF or TE image header\r
//\r
ImageAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) Pe32Data;\r
- Status = PeCoffLoaderGetEntryPoint (Pe32Data, EntryPoint);\r
+ Status = PeCoffLoaderGetEntryPoint (Pe32Data, &EntryPointArg);\r
if (EFI_ERROR (Status)) {\r
- return EFI_NOT_FOUND;\r
+ return Status;\r
}\r
+ *EntryPoint = (EFI_PHYSICAL_ADDRESS) (UINTN) EntryPointArg;\r
}\r
-\r
- if (((EFI_TE_IMAGE_HEADER *) (UINTN) ImageAddress)->Signature == EFI_TE_IMAGE_HEADER_SIGNATURE) {\r
- TEImageHeader = (EFI_TE_IMAGE_HEADER *) (UINTN) ImageAddress;\r
- Machine = TEImageHeader->Machine;\r
- } else {\r
- Machine = PeCoffLoaderGetMachineType (Pe32Data);\r
- } \r
+ \r
+ Machine = PeCoffLoaderGetMachineType (Pe32Data);\r
\r
if (!EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Machine)) {\r
return EFI_UNSUPPORTED; \r
}\r
\r
- //\r
- // Print debug message: Loading PEIM at 0x12345678 EntryPoint=0x12345688 Driver.efi\r
- //\r
- DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading PEIM at 0x%08x EntryPoint=0x%08x ", (UINTN) ImageAddress, *EntryPoint));\r
+ if (ImageAddressArg != NULL) {\r
+ *ImageAddressArg = ImageAddress;\r
+ }\r
+\r
+ if (ImageSizeArg != NULL) {\r
+ *ImageSizeArg = ImageSize;\r
+ }\r
+ \r
DEBUG_CODE_BEGIN ();\r
- EFI_IMAGE_DATA_DIRECTORY *DirectoryEntry;\r
- EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *DebugEntry;\r
- UINTN DirCount;\r
- UINTN Index;\r
- UINTN Index1;\r
- BOOLEAN FileNameFound;\r
- CHAR8 *AsciiString;\r
- CHAR8 AsciiBuffer[512];\r
- VOID *CodeViewEntryPointer;\r
- INTN TEImageAdjust;\r
- EFI_IMAGE_DOS_HEADER *DosHeader;\r
- EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;\r
- UINT32 NumberOfRvaAndSizes;\r
-\r
- Hdr.Pe32 = NULL;\r
- if (TEImageHeader == NULL) {\r
- DosHeader = (EFI_IMAGE_DOS_HEADER *)Pe32Data;\r
- if (DosHeader->e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r
- //\r
- // DOS image header is present, so read the PE header after the DOS image header\r
- //\r
- Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINTN)Pe32Data + (UINTN)((DosHeader->e_lfanew) & 0x0ffff));\r
- } else {\r
- //\r
- // DOS image header is not present, so PE header is at the image base\r
- //\r
- Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)Pe32Data;\r
- }\r
- }\r
+ CHAR8 *AsciiString;\r
+ CHAR8 AsciiBuffer[512];\r
+ INT32 Index;\r
+ INT32 Index1;\r
\r
//\r
- // Find the codeview info in the image and display the file name\r
- // being loaded.\r
+ // Print debug message: Loading PEIM at 0x12345678 EntryPoint=0x12345688 Driver.efi\r
+ //\r
+ if (Machine != IMAGE_FILE_MACHINE_IA64) {\r
+ DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading PEIM at 0x%11p EntryPoint=0x%11p ", (VOID *)(UINTN)ImageAddress, (VOID *)(UINTN)*EntryPoint));\r
+ } else {\r
+ //\r
+ // For IPF Image, the real entry point should be print.\r
+ //\r
+ DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading PEIM at 0x%11p EntryPoint=0x%11p ", (VOID *)(UINTN)ImageAddress, (VOID *)(UINTN)(*(UINT64 *)(UINTN)*EntryPoint)));\r
+ }\r
+ \r
//\r
- // Per the PE/COFF spec, you can't assume that a given data directory\r
- // is present in the image. You have to check the NumberOfRvaAndSizes in\r
- // the optional header to verify a desired directory entry is there.\r
+ // Print Module Name by PeImage PDB file name.\r
//\r
- DebugEntry = NULL;\r
- DirectoryEntry = NULL;\r
- NumberOfRvaAndSizes = 0;\r
- TEImageAdjust = 0;\r
+ AsciiString = PeCoffLoaderGetPdbPointer (Pe32Data);\r
\r
- if (TEImageHeader == NULL) {\r
- if (Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r
- // \r
- // Use PE32 offset get Debug Directory Entry\r
- //\r
- NumberOfRvaAndSizes = Hdr.Pe32->OptionalHeader.NumberOfRvaAndSizes;\r
- DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *)&(Hdr.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG]);\r
- DebugEntry = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *) ((UINTN) Pe32Data + DirectoryEntry->VirtualAddress);\r
- } else if (Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC) {\r
- // \r
- // Use PE32+ offset get Debug Directory Entry\r
- //\r
- NumberOfRvaAndSizes = Hdr.Pe32Plus->OptionalHeader.NumberOfRvaAndSizes;\r
- DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *)&(Hdr.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG]);\r
- DebugEntry = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *) ((UINTN) Pe32Data + DirectoryEntry->VirtualAddress);\r
- }\r
-\r
- if (NumberOfRvaAndSizes <= EFI_IMAGE_DIRECTORY_ENTRY_DEBUG) {\r
- DirectoryEntry = NULL;\r
- DebugEntry = NULL;\r
- }\r
- } else {\r
- if (TEImageHeader->DataDirectory[EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress != 0) {\r
- DirectoryEntry = &TEImageHeader->DataDirectory[EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG];\r
- TEImageAdjust = sizeof (EFI_TE_IMAGE_HEADER) - TEImageHeader->StrippedSize;\r
- DebugEntry = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *)((UINTN) TEImageHeader +\r
- TEImageHeader->DataDirectory[EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress +\r
- TEImageAdjust);\r
+ if (AsciiString != NULL) {\r
+ for (Index = (INT32) AsciiStrLen (AsciiString) - 1; Index >= 0; Index --) {\r
+ if (AsciiString[Index] == '\\') {\r
+ break;\r
+ }\r
}\r
- }\r
\r
- if (DebugEntry != NULL && DirectoryEntry != NULL) {\r
- for (DirCount = 0; DirCount < DirectoryEntry->Size; DirCount += sizeof(EFI_IMAGE_DEBUG_DIRECTORY_ENTRY), DebugEntry++) {\r
- if (DebugEntry->Type == EFI_IMAGE_DEBUG_TYPE_CODEVIEW) {\r
- if (DebugEntry->SizeOfData > 0) {\r
- CodeViewEntryPointer = (VOID *) ((UINTN) DebugEntry->RVA + (UINTN) ImageAddress + (UINTN)TEImageAdjust);\r
- switch (* (UINT32 *) CodeViewEntryPointer) {\r
- case CODEVIEW_SIGNATURE_NB10:\r
- AsciiString = (CHAR8 *)CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY);\r
- break;\r
-\r
- case CODEVIEW_SIGNATURE_RSDS:\r
- AsciiString = (CHAR8 *)CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_RSDS_ENTRY);\r
- break;\r
-\r
- default:\r
- AsciiString = NULL;\r
- break;\r
- }\r
- if (AsciiString != NULL) {\r
- FileNameFound = FALSE;\r
- for (Index = 0, Index1 = 0; AsciiString[Index] != '\0'; Index++) {\r
- if (AsciiString[Index] == '\\') {\r
- Index1 = Index;\r
- FileNameFound = TRUE;\r
- }\r
- }\r
-\r
- if (FileNameFound) {\r
- for (Index = Index1 + 1; AsciiString[Index] != '.'; Index++) {\r
- AsciiBuffer[Index - (Index1 + 1)] = AsciiString[Index];\r
- }\r
- AsciiBuffer[Index - (Index1 + 1)] = 0;\r
- DEBUG ((EFI_D_INFO | EFI_D_LOAD, "%a.efi", AsciiBuffer));\r
- break;\r
- }\r
- }\r
- }\r
+ if (Index != 0) {\r
+ for (Index1 = 0; AsciiString[Index + 1 + Index1] != '.'; Index1 ++) {\r
+ AsciiBuffer [Index1] = AsciiString[Index + 1 + Index1];\r
}\r
+ AsciiBuffer [Index1] = '\0';\r
+ DEBUG ((EFI_D_INFO | EFI_D_LOAD, "%a.efi", AsciiBuffer));\r
}\r
}\r
+\r
DEBUG_CODE_END ();\r
\r
DEBUG ((EFI_D_INFO | EFI_D_LOAD, "\n"));\r
\r
return EFI_SUCCESS;\r
+\r
+}\r
+\r
+\r
+/**\r
+ The wrapper function of PeiLoadImageLoadImage().\r
+\r
+ @param This - Pointer to EFI_PEI_LOAD_FILE_PPI.\r
+ @param FileHandle - Pointer to the FFS file header of the image.\r
+ @param ImageAddressArg - Pointer to PE/TE image.\r
+ @param ImageSizeArg - Size of PE/TE image.\r
+ @param EntryPoint - Pointer to entry point of specified image file for output.\r
+ @param AuthenticationState - Pointer to attestation authentication state of image.\r
+\r
+ @return Status of PeiLoadImageLoadImage().\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PeiLoadImageLoadImageWrapper (\r
+ IN CONST EFI_PEI_LOAD_FILE_PPI *This,\r
+ IN EFI_PEI_FILE_HANDLE FileHandle,\r
+ OUT EFI_PHYSICAL_ADDRESS *ImageAddressArg, OPTIONAL\r
+ OUT UINT64 *ImageSizeArg, OPTIONAL\r
+ OUT EFI_PHYSICAL_ADDRESS *EntryPoint,\r
+ OUT UINT32 *AuthenticationState\r
+ )\r
+{\r
+ return PeiLoadImageLoadImage (\r
+ GetPeiServicesTablePointer (),\r
+ FileHandle,\r
+ ImageAddressArg,\r
+ ImageSizeArg,\r
+ EntryPoint,\r
+ AuthenticationState\r
+ );\r
+}\r
+\r
+/**\r
+ Routine to load image file for subsequent execution by LoadFile Ppi.\r
+ If any LoadFile Ppi is not found, the build-in support function for the PE32+/TE \r
+ XIP image format is used.\r
+\r
+ @param PeiServices - An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation\r
+ @param FileHandle - Pointer to the FFS file header of the image.\r
+ @param EntryPoint - Pointer to entry point of specified image file for output.\r
+ @param AuthenticationState - Pointer to attestation authentication state of image.\r
+\r
+ @retval EFI_SUCCESS - Image is successfully loaded.\r
+ @retval EFI_NOT_FOUND - Fail to locate necessary PPI\r
+ @retval Others - Fail to load file.\r
+\r
+**/\r
+EFI_STATUS\r
+PeiLoadImage (\r
+ IN EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PEI_FILE_HANDLE FileHandle,\r
+ OUT EFI_PHYSICAL_ADDRESS *EntryPoint,\r
+ OUT UINT32 *AuthenticationState\r
+ )\r
+{\r
+ EFI_STATUS PpiStatus;\r
+ EFI_STATUS Status;\r
+ UINTN Index;\r
+ EFI_PEI_LOAD_FILE_PPI *LoadFile;\r
+ EFI_PHYSICAL_ADDRESS ImageAddress;\r
+ UINT64 ImageSize;\r
+\r
+ //\r
+ // If any instances of PEI_LOAD_FILE_PPI are installed, they are called.\r
+ // one at a time, until one reports EFI_SUCCESS.\r
+ //\r
+ Index = 0;\r
+ do {\r
+ PpiStatus = PeiServicesLocatePpi (\r
+ &gEfiPeiLoadFilePpiGuid,\r
+ Index,\r
+ NULL,\r
+ (VOID **)&LoadFile\r
+ );\r
+ if (!EFI_ERROR (PpiStatus)) {\r
+ Status = LoadFile->LoadFile (\r
+ LoadFile, \r
+ FileHandle, \r
+ &ImageAddress, \r
+ &ImageSize,\r
+ EntryPoint,\r
+ AuthenticationState\r
+ );\r
+ if (!EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ }\r
+ Index++;\r
+ } while (!EFI_ERROR (PpiStatus));\r
+\r
+ //\r
+ // If no instances reports EFI_SUCCESS, then build-in support for\r
+ // the PE32+/TE XIP image format is used.\r
+ //\r
+ Status = PeiLoadImageLoadImage (\r
+ PeiServices, \r
+ FileHandle, \r
+ NULL, \r
+ NULL, \r
+ EntryPoint, \r
+ AuthenticationState\r
+ );\r
+ return Status;\r
+}\r
+\r
+\r
+/**\r
+\r
+ Install Pei Load File PPI.\r
+\r
+\r
+ @param PrivateData - Pointer to PEI_CORE_INSTANCE.\r
+ @param OldCoreData - Pointer to PEI_CORE_INSTANCE.\r
+\r
+**/\r
+VOID\r
+InitializeImageServices (\r
+ IN PEI_CORE_INSTANCE *PrivateData,\r
+ IN PEI_CORE_INSTANCE *OldCoreData\r
+ )\r
+{\r
+ if (OldCoreData == NULL) {\r
+ //\r
+ // The first time we are XIP (running from FLASH). We need to remember the\r
+ // FLASH address so we can reinstall the memory version that runs faster\r
+ //\r
+ PrivateData->XipLoadFile = &gPpiLoadFilePpiList;\r
+ PeiServicesInstallPpi (PrivateData->XipLoadFile);\r
+ } else {\r
+ //\r
+ // 2nd time we are running from memory so replace the XIP version with the \r
+ // new memory version. \r
+ //\r
+ PeiServicesReInstallPpi (PrivateData->XipLoadFile, &gPpiLoadFilePpiList); \r
+ }\r
}\r
+\r
+\r
+\r
projects / mirror_edk2.git / blobdiff