+++ /dev/null
-/*++\r
-\r
-Copyright (c) 2006 - 2007, 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
-http://opensource.org/licenses/bsd-license.php \r
- \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
- Image.c\r
-\r
-Abstract:\r
-\r
- Pei Core Load Image Support\r
-\r
---*/\r
-\r
-#include <PeiMain.h>\r
-\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
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- Routine for loading file image.\r
-\r
-Arguments:\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
-\r
-Returns:\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
-\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
- //\r
- // Try to find a PE32 section.\r
- //\r
- Status = PeiServicesFfsFindSectionData (\r
- EFI_SECTION_PE32,\r
- PeimFileHeader,\r
- &Pe32Data\r
- );\r
- //\r
- // If we didn't find a PE32 section, try to find a TE section.\r
- //\r
- if (EFI_ERROR (Status)) {\r
- Status = PeiServicesFfsFindSectionData (\r
- EFI_SECTION_TE,\r
- PeimFileHeader,\r
- (VOID **) &TEImageHeader\r
- );\r
- if (EFI_ERROR (Status) || TEImageHeader == NULL) {\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
- //\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
-\r
- if (EFI_ERROR (Status)) {\r
- return EFI_NOT_FOUND;\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
- }\r
- } else {\r
- //\r
- // Retrieve the entry point from the PE/COFF image header\r
- //\r
- ImageAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) Pe32Data;\r
- Status = PeCoffLoaderGetEntryPoint (Pe32Data, EntryPoint);\r
- if (EFI_ERROR (Status)) {\r
- return EFI_NOT_FOUND;\r
- }\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
- 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
- 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
-\r
- //\r
- // Find the codeview info in the image and display the file name\r
- // being loaded.\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
- //\r
- DebugEntry = NULL;\r
- DirectoryEntry = NULL;\r
- NumberOfRvaAndSizes = 0;\r
- TEImageAdjust = 0;\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
- }\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
- }\r
- }\r
- }\r
- DEBUG_CODE_END ();\r
-\r
- DEBUG ((EFI_D_INFO | EFI_D_LOAD, "\n"));\r
-\r
- return EFI_SUCCESS;\r
-}\r
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