/* * utils/efirom.c * * Copyright (C) 2009 Michael Brown . * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * modifications for gnuefi by bzt (bztsrc@gitlab) * * This file is part of the POSIX-UEFI package. * @brief small tool to convert an .efi file to a .rom file * */ #include #include #include #include #include #include #include #include #include #include #define eprintf(...) fprintf ( stderr, __VA_ARGS__ ) /** * Print help * * @v program_name Program name */ static void print_help ( const char *program_name ) { eprintf ( "POSIX-UEFI utils - efirom by Michael Brown GPL\r\n\r\n" ); eprintf ( "%s [--vendor=VVVV] [--device=DDDD] " "infile outfile\n", program_name ); } #define EFI_SIGNATURE_16(A,B) ((A) | (B<<8)) #define EFI_SIGNATURE_32(A,B,C,D) (EFI_SIGNATURE_16(A,B) | (EFI_SIGNATURE_16(C,D) << 16)) #define EFI_SIGNATURE_64(A,B,C,D,E,F,G,H) (EFI_SIGNATURE_32(A,B,C,D) | ((UINT64)(EFI_SIGNATURE_32(E,F,G,H)) << 32)) typedef uint64_t UINTN; typedef UINTN EFI_TPL; typedef struct _EFI_DEVICE_PATH_PROTOCOL { uint8_t Type; uint8_t SubType; uint8_t Length[2]; } EFI_DEVICE_PATH_PROTOCOL; typedef struct _EFI_DEVICE_PATH_PROTOCOL _EFI_DEVICE_PATH; typedef EFI_DEVICE_PATH_PROTOCOL EFI_DEVICE_PATH; #ifndef _EFI_LINK_H #define _EFI_LINK_H /*++ Copyright (c) 1998 Intel Corporation Module Name: link.h (renamed efilink.h to avoid conflicts) Abstract: EFI link list macro's Revision History --*/ #ifndef EFI_NT_EMUL // // List entry - doubly linked list // typedef struct _LIST_ENTRY { struct _LIST_ENTRY *Flink; struct _LIST_ENTRY *Blink; } LIST_ENTRY; #endif // // VOID // InitializeListHead( // LIST_ENTRY *ListHead // ); // #define InitializeListHead(ListHead) \ (ListHead)->Flink = ListHead; \ (ListHead)->Blink = ListHead; // // BOOLEAN // IsListEmpty( // PLIST_ENTRY ListHead // ); // #define IsListEmpty(ListHead) \ ((ListHead)->Flink == (ListHead)) // // VOID // RemoveEntryList( // PLIST_ENTRY Entry // ); // #define _RemoveEntryList(Entry) { \ LIST_ENTRY *_Blink, *_Flink; \ _Flink = (Entry)->Flink; \ _Blink = (Entry)->Blink; \ _Blink->Flink = _Flink; \ _Flink->Blink = _Blink; \ } #if EFI_DEBUG #define RemoveEntryList(Entry) \ _RemoveEntryList(Entry); \ (Entry)->Flink = (LIST_ENTRY *) BAD_POINTER; \ (Entry)->Blink = (LIST_ENTRY *) BAD_POINTER; #else #define RemoveEntryList(Entry) \ _RemoveEntryList(Entry); #endif // // VOID // InsertTailList( // PLIST_ENTRY ListHead, // PLIST_ENTRY Entry // ); // #define InsertTailList(ListHead,Entry) {\ LIST_ENTRY *_ListHead, *_Blink; \ _ListHead = (ListHead); \ _Blink = _ListHead->Blink; \ (Entry)->Flink = _ListHead; \ (Entry)->Blink = _Blink; \ _Blink->Flink = (Entry); \ _ListHead->Blink = (Entry); \ } // // VOID // InsertHeadList( // PLIST_ENTRY ListHead, // PLIST_ENTRY Entry // ); // #define InsertHeadList(ListHead,Entry) {\ LIST_ENTRY *_ListHead, *_Flink; \ _ListHead = (ListHead); \ _Flink = _ListHead->Flink; \ (Entry)->Flink = _Flink; \ (Entry)->Blink = _ListHead; \ _Flink->Blink = (Entry); \ _ListHead->Flink = (Entry); \ } // VOID // SwapListEntries( // PLIST_ENTRY Entry1, // PLIST_ENTRY Entry2 // ); // // Put Entry2 before Entry1 // #define SwapListEntries(Entry1,Entry2) {\ LIST_ENTRY *Entry1Flink, *Entry1Blink; \ LIST_ENTRY *Entry2Flink, *Entry2Blink; \ Entry2Flink = (Entry2)->Flink; \ Entry2Blink = (Entry2)->Blink; \ Entry1Flink = (Entry1)->Flink; \ Entry1Blink = (Entry1)->Blink; \ Entry2Blink->Flink = Entry2Flink; \ Entry2Flink->Blink = Entry2Blink; \ (Entry2)->Flink = Entry1; \ (Entry2)->Blink = Entry1Blink; \ Entry1Blink->Flink = (Entry2); \ (Entry1)->Blink = (Entry2); \ } // // EFI_FIELD_OFFSET - returns the byte offset to a field within a structure // #define EFI_FIELD_OFFSET(TYPE,Field) ((UINTN)(&(((TYPE *) 0)->Field))) // // CONTAINING_RECORD - returns a pointer to the structure // from one of it's elements. // #define _CR(Record, TYPE, Field) \ ((TYPE *) ( (CHAR8 *)(Record) - (CHAR8 *) &(((TYPE *) 0)->Field))) #if EFI_DEBUG #define CR(Record, TYPE, Field, Sig) \ _CR(Record, TYPE, Field)->Signature != Sig ? \ (TYPE *) ASSERT_STRUCT(_CR(Record, TYPE, Field), Record) : \ _CR(Record, TYPE, Field) #else #define CR(Record, TYPE, Field, Signature) \ _CR(Record, TYPE, Field) #endif // // A lock structure // typedef struct _FLOCK { EFI_TPL Tpl; EFI_TPL OwnerTpl; UINTN Lock; } FLOCK; #endif /* PE32+ header file */ #ifndef _PE_H #define _PE_H #define IMAGE_DOS_SIGNATURE 0x5A4D // MZ #define IMAGE_OS2_SIGNATURE 0x454E // NE #define IMAGE_OS2_SIGNATURE_LE 0x454C // LE #define IMAGE_NT_SIGNATURE 0x00004550 // PE00 #define IMAGE_EDOS_SIGNATURE 0x44454550 // PEED typedef struct _IMAGE_DOS_HEADER { // DOS .EXE header uint16_t e_magic; // Magic number uint16_t e_cblp; // Bytes on last page of file uint16_t e_cp; // Pages in file uint16_t e_crlc; // Relocations uint16_t e_cparhdr; // Size of header in paragraphs uint16_t e_minalloc; // Minimum extra paragraphs needed uint16_t e_maxalloc; // Maximum extra paragraphs needed uint16_t e_ss; // Initial (relative) SS value uint16_t e_sp; // Initial SP value uint16_t e_csum; // Checksum uint16_t e_ip; // Initial IP value uint16_t e_cs; // Initial (relative) CS value uint16_t e_lfarlc; // File address of relocation table uint16_t e_ovno; // Overlay number uint16_t e_res[4]; // Reserved words uint16_t e_oemid; // OEM identifier (for e_oeminfo) uint16_t e_oeminfo; // OEM information; e_oemid specific uint16_t e_res2[10]; // Reserved words uint32_t e_lfanew; // File address of new exe header } IMAGE_DOS_HEADER, *PIMAGE_DOS_HEADER; typedef struct _IMAGE_OS2_HEADER { // OS/2 .EXE header uint16_t ne_magic; // Magic number uint8_t ne_ver; // Version number uint8_t ne_rev; // Revision number uint16_t ne_enttab; // Offset of Entry Table uint16_t ne_cbenttab; // Number of bytes in Entry Table uint32_t ne_crc; // Checksum of whole file uint16_t ne_flags; // Flag uint16_t uint16_t ne_autodata; // Automatic data segment number uint16_t ne_heap; // Initial heap allocation uint16_t ne_stack; // Initial stack allocation uint32_t ne_csip; // Initial CS:IP setting uint32_t ne_sssp; // Initial SS:SP setting uint16_t ne_cseg; // Count of file segments uint16_t ne_cmod; // Entries in Module Reference Table uint16_t ne_cbnrestab; // Size of non-resident name table uint16_t ne_segtab; // Offset of Segment Table uint16_t ne_rsrctab; // Offset of Resource Table uint16_t ne_restab; // Offset of resident name table uint16_t ne_modtab; // Offset of Module Reference Table uint16_t ne_imptab; // Offset of Imported Names Table uint32_t ne_nrestab; // Offset of Non-resident Names Table uint16_t ne_cmovent; // Count of movable entries uint16_t ne_align; // Segment alignment shift count uint16_t ne_cres; // Count of resource segments uint8_t ne_exetyp; // Target Operating system uint8_t ne_flagsothers; // Other .EXE flags uint16_t ne_pretthunks; // offset to return thunks uint16_t ne_psegrefbytes; // offset to segment ref. bytes uint16_t ne_swaparea; // Minimum code swap area size uint16_t ne_expver; // Expected Windows version number } IMAGE_OS2_HEADER, *PIMAGE_OS2_HEADER; // // File header format. // typedef struct _IMAGE_FILE_HEADER { uint16_t Machine; uint16_t NumberOfSections; uint32_t TimeDateStamp; uint32_t PointerToSymbolTable; uint32_t NumberOfSymbols; uint16_t SizeOfOptionalHeader; uint16_t Characteristics; } IMAGE_FILE_HEADER, *PIMAGE_FILE_HEADER; #define IMAGE_SIZEOF_FILE_HEADER 20 #define IMAGE_FILE_RELOCS_STRIPPED 0x0001 // Relocation info stripped from file. #define IMAGE_FILE_EXECUTABLE_IMAGE 0x0002 // File is executable (i.e. no unresolved externel references). #define IMAGE_FILE_LINE_NUMS_STRIPPED 0x0004 // Line nunbers stripped from file. #define IMAGE_FILE_LOCAL_SYMS_STRIPPED 0x0008 // Local symbols stripped from file. #define IMAGE_FILE_BYTES_REVERSED_LO 0x0080 // Bytes of machine word are reversed. #define IMAGE_FILE_32BIT_MACHINE 0x0100 // 32 bit word machine. #define IMAGE_FILE_DEBUG_STRIPPED 0x0200 // Debugging info stripped from file in .DBG file #define IMAGE_FILE_SYSTEM 0x1000 // System File. #define IMAGE_FILE_DLL 0x2000 // File is a DLL. #define IMAGE_FILE_BYTES_REVERSED_HI 0x8000 // Bytes of machine word are reversed. #define IMAGE_FILE_MACHINE_UNKNOWN 0 #define IMAGE_FILE_MACHINE_I386 0x14c // Intel 386. #define IMAGE_FILE_MACHINE_R3000 0x162 // MIPS little-endian, 0540 big-endian #define IMAGE_FILE_MACHINE_R4000 0x166 // MIPS little-endian #define IMAGE_FILE_MACHINE_ALPHA 0x184 // Alpha_AXP #define IMAGE_FILE_MACHINE_ARMTHUMB_MIXED 0x1c2 // Arm/Thumb #define IMAGE_FILE_MACHINE_POWERPC 0x1F0 // IBM PowerPC Little-Endian #define IMAGE_FILE_MACHINE_IA64 0x200 // IA-64 #define IMAGE_FILE_MACHINE_TAHOE 0x7cc // Intel EM machine #define IMAGE_FILE_MACHINE_EBC 0xebc // EFI Byte Code #define IMAGE_FILE_MACHINE_X64 0x8664 // x86_64 // // Directory format. // typedef struct _IMAGE_DATA_DIRECTORY { uint32_t VirtualAddress; uint32_t Size; } IMAGE_DATA_DIRECTORY, *PIMAGE_DATA_DIRECTORY; #define IMAGE_NUMBEROF_DIRECTORY_ENTRIES 16 // // Optional header format. // typedef struct _IMAGE_OPTIONAL_HEADER { // // Standard fields. // uint16_t Magic; uint8_t MajorLinkerVersion; uint8_t MinorLinkerVersion; uint32_t SizeOfCode; uint32_t SizeOfInitializedData; uint32_t SizeOfUninitializedData; uint32_t AddressOfEntryPoint; uint32_t BaseOfCode; uint32_t BaseOfData; // // NT additional fields. // uint32_t ImageBase; uint32_t SectionAlignment; uint32_t FileAlignment; uint16_t MajorOperatingSystemVersion; uint16_t MinorOperatingSystemVersion; uint16_t MajorImageVersion; uint16_t MinorImageVersion; uint16_t MajorSubsystemVersion; uint16_t MinorSubsystemVersion; uint32_t Reserved1; uint32_t SizeOfImage; uint32_t SizeOfHeaders; uint32_t CheckSum; uint16_t Subsystem; uint16_t DllCharacteristics; uint32_t SizeOfStackReserve; uint32_t SizeOfStackCommit; uint32_t SizeOfHeapReserve; uint32_t SizeOfHeapCommit; uint32_t LoaderFlags; uint32_t NumberOfRvaAndSizes; IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES]; } IMAGE_OPTIONAL_HEADER, *PIMAGE_OPTIONAL_HEADER; typedef struct _IMAGE_ROM_OPTIONAL_HEADER { uint16_t Magic; uint8_t MajorLinkerVersion; uint8_t MinorLinkerVersion; uint32_t SizeOfCode; uint32_t SizeOfInitializedData; uint32_t SizeOfUninitializedData; uint32_t AddressOfEntryPoint; uint32_t BaseOfCode; uint32_t BaseOfData; uint32_t BaseOfBss; uint32_t GprMask; uint32_t CprMask[4]; uint32_t GpValue; } IMAGE_ROM_OPTIONAL_HEADER, *PIMAGE_ROM_OPTIONAL_HEADER; #define IMAGE_SIZEOF_ROM_OPTIONAL_HEADER 56 #define IMAGE_SIZEOF_STD_OPTIONAL_HEADER 28 #define IMAGE_SIZEOF_NT_OPTIONAL_HEADER 224 #define IMAGE_NT_OPTIONAL_HDR_MAGIC 0x10b #define IMAGE_ROM_OPTIONAL_HDR_MAGIC 0x107 typedef struct _IMAGE_NT_HEADERS { uint32_t Signature; IMAGE_FILE_HEADER FileHeader; IMAGE_OPTIONAL_HEADER OptionalHeader; } IMAGE_NT_HEADERS, *PIMAGE_NT_HEADERS; typedef struct _IMAGE_ROM_HEADERS { IMAGE_FILE_HEADER FileHeader; IMAGE_ROM_OPTIONAL_HEADER OptionalHeader; } IMAGE_ROM_HEADERS, *PIMAGE_ROM_HEADERS; #define IMAGE_FIRST_SECTION( ntheader ) ((PIMAGE_SECTION_HEADER) \ ((uint32_t)ntheader + \ FIELD_OFFSET( IMAGE_NT_HEADERS, OptionalHeader ) + \ ((PIMAGE_NT_HEADERS)(ntheader))->FileHeader.SizeOfOptionalHeader \ )) // Subsystem Values #define IMAGE_SUBSYSTEM_UNKNOWN 0 // Unknown subsystem. #define IMAGE_SUBSYSTEM_NATIVE 1 // Image doesn't require a subsystem. #define IMAGE_SUBSYSTEM_WINDOWS_GUI 2 // Image runs in the Windows GUI subsystem. #define IMAGE_SUBSYSTEM_WINDOWS_CUI 3 // Image runs in the Windows character subsystem. #define IMAGE_SUBSYSTEM_OS2_CUI 5 // image runs in the OS/2 character subsystem. #define IMAGE_SUBSYSTEM_POSIX_CUI 7 // image run in the Posix character subsystem. // Directory Entries #define IMAGE_DIRECTORY_ENTRY_EXPORT 0 // Export Directory #define IMAGE_DIRECTORY_ENTRY_IMPORT 1 // Import Directory #define IMAGE_DIRECTORY_ENTRY_RESOURCE 2 // Resource Directory #define IMAGE_DIRECTORY_ENTRY_EXCEPTION 3 // Exception Directory #define IMAGE_DIRECTORY_ENTRY_SECURITY 4 // Security Directory #define IMAGE_DIRECTORY_ENTRY_BASERELOC 5 // Base Relocation Table #define IMAGE_DIRECTORY_ENTRY_DEBUG 6 // Debug Directory #define IMAGE_DIRECTORY_ENTRY_COPYRIGHT 7 // Description String #define IMAGE_DIRECTORY_ENTRY_GLOBALPTR 8 // Machine Value (MIPS GP) #define IMAGE_DIRECTORY_ENTRY_TLS 9 // TLS Directory #define IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG 10 // Load Configuration Directory // // Section header format. // #define IMAGE_SIZEOF_SHORT_NAME 8 typedef struct _IMAGE_SECTION_HEADER { uint8_t Name[IMAGE_SIZEOF_SHORT_NAME]; union { uint32_t PhysicalAddress; uint32_t VirtualSize; } Misc; uint32_t VirtualAddress; uint32_t SizeOfRawData; uint32_t PointerToRawData; uint32_t PointerToRelocations; uint32_t PointerToLinenumbers; uint16_t NumberOfRelocations; uint16_t NumberOfLinenumbers; uint32_t Characteristics; } IMAGE_SECTION_HEADER, *PIMAGE_SECTION_HEADER; #define IMAGE_SIZEOF_SECTION_HEADER 40 #define IMAGE_SCN_TYPE_NO_PAD 0x00000008 // Reserved. #define IMAGE_SCN_CNT_CODE 0x00000020 // Section contains code. #define IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040 // Section contains initialized data. #define IMAGE_SCN_CNT_UNINITIALIZED_DATA 0x00000080 // Section contains uninitialized data. #define IMAGE_SCN_LNK_OTHER 0x00000100 // Reserved. #define IMAGE_SCN_LNK_INFO 0x00000200 // Section contains comments or some other type of information. #define IMAGE_SCN_LNK_REMOVE 0x00000800 // Section contents will not become part of image. #define IMAGE_SCN_LNK_COMDAT 0x00001000 // Section contents comdat. #define IMAGE_SCN_ALIGN_1BYTES 0x00100000 // #define IMAGE_SCN_ALIGN_2BYTES 0x00200000 // #define IMAGE_SCN_ALIGN_4BYTES 0x00300000 // #define IMAGE_SCN_ALIGN_8BYTES 0x00400000 // #define IMAGE_SCN_ALIGN_16BYTES 0x00500000 // Default alignment if no others are specified. #define IMAGE_SCN_ALIGN_32BYTES 0x00600000 // #define IMAGE_SCN_ALIGN_64BYTES 0x00700000 // #define IMAGE_SCN_MEM_DISCARDABLE 0x02000000 // Section can be discarded. #define IMAGE_SCN_MEM_NOT_CACHED 0x04000000 // Section is not cachable. #define IMAGE_SCN_MEM_NOT_PAGED 0x08000000 // Section is not pageable. #define IMAGE_SCN_MEM_SHARED 0x10000000 // Section is shareable. #define IMAGE_SCN_MEM_EXECUTE 0x20000000 // Section is executable. #define IMAGE_SCN_MEM_READ 0x40000000 // Section is readable. #define IMAGE_SCN_MEM_WRITE 0x80000000 // Section is writeable. // // Symbol format. // #define IMAGE_SIZEOF_SYMBOL 18 // // Section values. // // Symbols have a section number of the section in which they are // defined. Otherwise, section numbers have the following meanings: // #define IMAGE_SYM_UNDEFINED (uint16_t)0 // Symbol is undefined or is common. #define IMAGE_SYM_ABSOLUTE (uint16_t)-1 // Symbol is an absolute value. #define IMAGE_SYM_DEBUG (uint16_t)-2 // Symbol is a special debug item. // // Type (fundamental) values. // #define IMAGE_SYM_TYPE_NULL 0 // no type. #define IMAGE_SYM_TYPE_VOID 1 // #define IMAGE_SYM_TYPE_CHAR 2 // type character. #define IMAGE_SYM_TYPE_SHORT 3 // type short integer. #define IMAGE_SYM_TYPE_INT 4 // #define IMAGE_SYM_TYPE_LONG 5 // #define IMAGE_SYM_TYPE_FLOAT 6 // #define IMAGE_SYM_TYPE_DOUBLE 7 // #define IMAGE_SYM_TYPE_STRUCT 8 // #define IMAGE_SYM_TYPE_UNION 9 // #define IMAGE_SYM_TYPE_ENUM 10 // enumeration. #define IMAGE_SYM_TYPE_MOE 11 // member of enumeration. #define IMAGE_SYM_TYPE_BYTE 12 // #define IMAGE_SYM_TYPE_WORD 13 // #define IMAGE_SYM_TYPE_UINT 14 // #define IMAGE_SYM_TYPE_DWORD 15 // // // Type (derived) values. // #define IMAGE_SYM_DTYPE_NULL 0 // no derived type. #define IMAGE_SYM_DTYPE_POINTER 1 // pointer. #define IMAGE_SYM_DTYPE_FUNCTION 2 // function. #define IMAGE_SYM_DTYPE_ARRAY 3 // array. // // Storage classes. // #define IMAGE_SYM_CLASS_END_OF_FUNCTION (BYTE )-1 #define IMAGE_SYM_CLASS_NULL 0 #define IMAGE_SYM_CLASS_AUTOMATIC 1 #define IMAGE_SYM_CLASS_EXTERNAL 2 #define IMAGE_SYM_CLASS_STATIC 3 #define IMAGE_SYM_CLASS_REGISTER 4 #define IMAGE_SYM_CLASS_EXTERNAL_DEF 5 #define IMAGE_SYM_CLASS_LABEL 6 #define IMAGE_SYM_CLASS_UNDEFINED_LABEL 7 #define IMAGE_SYM_CLASS_MEMBER_OF_STRUCT 8 #define IMAGE_SYM_CLASS_ARGUMENT 9 #define IMAGE_SYM_CLASS_STRUCT_TAG 10 #define IMAGE_SYM_CLASS_MEMBER_OF_UNION 11 #define IMAGE_SYM_CLASS_UNION_TAG 12 #define IMAGE_SYM_CLASS_TYPE_DEFINITION 13 #define IMAGE_SYM_CLASS_UNDEFINED_STATIC 14 #define IMAGE_SYM_CLASS_ENUM_TAG 15 #define IMAGE_SYM_CLASS_MEMBER_OF_ENUM 16 #define IMAGE_SYM_CLASS_REGISTER_PARAM 17 #define IMAGE_SYM_CLASS_BIT_FIELD 18 #define IMAGE_SYM_CLASS_BLOCK 100 #define IMAGE_SYM_CLASS_FUNCTION 101 #define IMAGE_SYM_CLASS_END_OF_STRUCT 102 #define IMAGE_SYM_CLASS_FILE 103 // new #define IMAGE_SYM_CLASS_SECTION 104 #define IMAGE_SYM_CLASS_WEAK_EXTERNAL 105 // type packing constants #define N_BTMASK 017 #define N_TMASK 060 #define N_TMASK1 0300 #define N_TMASK2 0360 #define N_BTSHFT 4 #define N_TSHIFT 2 // MACROS // // Communal selection types. // #define IMAGE_COMDAT_SELECT_NODUPLICATES 1 #define IMAGE_COMDAT_SELECT_ANY 2 #define IMAGE_COMDAT_SELECT_SAME_SIZE 3 #define IMAGE_COMDAT_SELECT_EXACT_MATCH 4 #define IMAGE_COMDAT_SELECT_ASSOCIATIVE 5 #define IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY 1 #define IMAGE_WEAK_EXTERN_SEARCH_LIBRARY 2 #define IMAGE_WEAK_EXTERN_SEARCH_ALIAS 3 // // Relocation format. // typedef struct _IMAGE_RELOCATION { uint32_t VirtualAddress; uint32_t SymbolTableIndex; uint16_t Type; } IMAGE_RELOCATION; #define IMAGE_SIZEOF_RELOCATION 10 // // I386 relocation types. // #define IMAGE_REL_I386_ABSOLUTE 0 // Reference is absolute, no relocation is necessary #define IMAGE_REL_I386_DIR16 01 // Direct 16-bit reference to the symbols virtual address #define IMAGE_REL_I386_REL16 02 // PC-relative 16-bit reference to the symbols virtual address #define IMAGE_REL_I386_DIR32 06 // Direct 32-bit reference to the symbols virtual address #define IMAGE_REL_I386_DIR32NB 07 // Direct 32-bit reference to the symbols virtual address, base not included #define IMAGE_REL_I386_SEG12 011 // Direct 16-bit reference to the segment-selector bits of a 32-bit virtual address #define IMAGE_REL_I386_SECTION 012 #define IMAGE_REL_I386_SECREL 013 #define IMAGE_REL_I386_REL32 024 // PC-relative 32-bit reference to the symbols virtual address // // MIPS relocation types. // #define IMAGE_REL_MIPS_ABSOLUTE 0 // Reference is absolute, no relocation is necessary #define IMAGE_REL_MIPS_REFHALF 01 #define IMAGE_REL_MIPS_REFWORD 02 #define IMAGE_REL_MIPS_JMPADDR 03 #define IMAGE_REL_MIPS_REFHI 04 #define IMAGE_REL_MIPS_REFLO 05 #define IMAGE_REL_MIPS_GPREL 06 #define IMAGE_REL_MIPS_LITERAL 07 #define IMAGE_REL_MIPS_SECTION 012 #define IMAGE_REL_MIPS_SECREL 013 #define IMAGE_REL_MIPS_REFWORDNB 042 #define IMAGE_REL_MIPS_PAIR 045 // // Alpha Relocation types. // #define IMAGE_REL_ALPHA_ABSOLUTE 0x0 #define IMAGE_REL_ALPHA_REFLONG 0x1 #define IMAGE_REL_ALPHA_REFQUAD 0x2 #define IMAGE_REL_ALPHA_GPREL32 0x3 #define IMAGE_REL_ALPHA_LITERAL 0x4 #define IMAGE_REL_ALPHA_LITUSE 0x5 #define IMAGE_REL_ALPHA_GPDISP 0x6 #define IMAGE_REL_ALPHA_BRADDR 0x7 #define IMAGE_REL_ALPHA_HINT 0x8 #define IMAGE_REL_ALPHA_INLINE_REFLONG 0x9 #define IMAGE_REL_ALPHA_REFHI 0xA #define IMAGE_REL_ALPHA_REFLO 0xB #define IMAGE_REL_ALPHA_PAIR 0xC #define IMAGE_REL_ALPHA_MATCH 0xD #define IMAGE_REL_ALPHA_SECTION 0xE #define IMAGE_REL_ALPHA_SECREL 0xF #define IMAGE_REL_ALPHA_REFLONGNB 0x10 // // IBM PowerPC relocation types. // #define IMAGE_REL_PPC_ABSOLUTE 0x0000 // NOP #define IMAGE_REL_PPC_ADDR64 0x0001 // 64-bit address #define IMAGE_REL_PPC_ADDR32 0x0002 // 32-bit address #define IMAGE_REL_PPC_ADDR24 0x0003 // 26-bit address, shifted left 2 (branch absolute) #define IMAGE_REL_PPC_ADDR16 0x0004 // 16-bit address #define IMAGE_REL_PPC_ADDR14 0x0005 // 16-bit address, shifted left 2 (load doubleword) #define IMAGE_REL_PPC_REL24 0x0006 // 26-bit PC-relative offset, shifted left 2 (branch relative) #define IMAGE_REL_PPC_REL14 0x0007 // 16-bit PC-relative offset, shifted left 2 (br cond relative) #define IMAGE_REL_PPC_TOCREL16 0x0008 // 16-bit offset from TOC base #define IMAGE_REL_PPC_TOCREL14 0x0009 // 16-bit offset from TOC base, shifted left 2 (load doubleword) #define IMAGE_REL_PPC_ADDR32NB 0x000A // 32-bit addr w/o image base #define IMAGE_REL_PPC_SECREL 0x000B // va of containing section (as in an image sectionhdr) #define IMAGE_REL_PPC_SECTION 0x000C // sectionheader number #define IMAGE_REL_PPC_IFGLUE 0x000D // substitute TOC restore instruction iff symbol is glue code #define IMAGE_REL_PPC_IMGLUE 0x000E // symbol is glue code; virtual address is TOC restore instruction #define IMAGE_REL_PPC_TYPEMASK 0x00FF // mask to isolate above values in IMAGE_RELOCATION.Type // Flag bits in IMAGE_RELOCATION.TYPE #define IMAGE_REL_PPC_NEG 0x0100 // subtract reloc value rather than adding it #define IMAGE_REL_PPC_BRTAKEN 0x0200 // fix branch prediction bit to predict branch taken #define IMAGE_REL_PPC_BRNTAKEN 0x0400 // fix branch prediction bit to predict branch not taken #define IMAGE_REL_PPC_TOCDEFN 0x0800 // toc slot defined in file (or, data in toc) // // Based relocation format. // typedef struct _IMAGE_BASE_RELOCATION { uint32_t VirtualAddress; uint32_t SizeOfBlock; // uint16_t TypeOffset[1]; } IMAGE_BASE_RELOCATION, *PIMAGE_BASE_RELOCATION; #define IMAGE_SIZEOF_BASE_RELOCATION 8 // // Based relocation types. // #define IMAGE_REL_BASED_ABSOLUTE 0 #define IMAGE_REL_BASED_HIGH 1 #define IMAGE_REL_BASED_LOW 2 #define IMAGE_REL_BASED_HIGHLOW 3 #define IMAGE_REL_BASED_HIGHADJ 4 #define IMAGE_REL_BASED_MIPS_JMPADDR 5 #define IMAGE_REL_BASED_IA64_IMM64 9 #define IMAGE_REL_BASED_DIR64 10 // // Line number format. // typedef struct _IMAGE_LINENUMBER { union { uint32_t SymbolTableIndex; // Symbol table index of function name if Linenumber is 0. uint32_t VirtualAddress; // Virtual address of line number. } Type; uint16_t Linenumber; // Line number. } IMAGE_LINENUMBER; #define IMAGE_SIZEOF_LINENUMBER 6 // // Archive format. // #define IMAGE_ARCHIVE_START_SIZE 8 #define IMAGE_ARCHIVE_START "!\n" #define IMAGE_ARCHIVE_END "`\n" #define IMAGE_ARCHIVE_PAD "\n" #define IMAGE_ARCHIVE_LINKER_MEMBER "/ " #define IMAGE_ARCHIVE_LONGNAMES_MEMBER "// " typedef struct _IMAGE_ARCHIVE_MEMBER_HEADER { uint8_t Name[16]; // File member name - `/' terminated. uint8_t Date[12]; // File member date - decimal. uint8_t UserID[6]; // File member user id - decimal. uint8_t GroupID[6]; // File member group id - decimal. uint8_t Mode[8]; // File member mode - octal. uint8_t Size[10]; // File member size - decimal. uint8_t EndHeader[2]; // String to end header. } IMAGE_ARCHIVE_MEMBER_HEADER, *PIMAGE_ARCHIVE_MEMBER_HEADER; #define IMAGE_SIZEOF_ARCHIVE_MEMBER_HDR 60 // // DLL support. // // // Export Format // typedef struct _IMAGE_EXPORT_DIRECTORY { uint32_t Characteristics; uint32_t TimeDateStamp; uint16_t MajorVersion; uint16_t MinorVersion; uint32_t Name; uint32_t Base; uint32_t NumberOfFunctions; uint32_t NumberOfNames; uint32_t *AddressOfFunctions; uint32_t *AddressOfNames; uint32_t *AddressOfNameOrdinals; } IMAGE_EXPORT_DIRECTORY, *PIMAGE_EXPORT_DIRECTORY; // // Import Format // typedef struct _IMAGE_IMPORT_BY_NAME { uint16_t Hint; uint8_t Name[1]; } IMAGE_IMPORT_BY_NAME, *PIMAGE_IMPORT_BY_NAME; typedef struct _IMAGE_THUNK_DATA { union { uint32_t Function; uint32_t Ordinal; PIMAGE_IMPORT_BY_NAME AddressOfData; } u1; } IMAGE_THUNK_DATA, *PIMAGE_THUNK_DATA; #define IMAGE_ORDINAL_FLAG 0x80000000 #define IMAGE_SNAP_BY_ORDINAL(Ordinal) ((Ordinal & IMAGE_ORDINAL_FLAG) != 0) #define IMAGE_ORDINAL(Ordinal) (Ordinal & 0xffff) typedef struct _IMAGE_IMPORT_DESCRIPTOR { uint32_t Characteristics; uint32_t TimeDateStamp; uint32_t ForwarderChain; uint32_t Name; PIMAGE_THUNK_DATA FirstThunk; } IMAGE_IMPORT_DESCRIPTOR, *PIMAGE_IMPORT_DESCRIPTOR; #endif #ifndef _PCI22_H #define _PCI22_H /*++ Copyright (c) 1999 Intel Corporation Module Name: pci22.h Abstract: Support for PCI 2.2 standard. Revision History --*/ #ifdef SOFT_SDV #define PCI_MAX_BUS 1 #else #define PCI_MAX_BUS 255 #endif #define PCI_MAX_DEVICE 31 #define PCI_MAX_FUNC 7 // // Command // #define PCI_VGA_PALETTE_SNOOP_DISABLED 0x20 #pragma pack(1) typedef struct { uint16_t VendorId; uint16_t DeviceId; uint16_t Command; uint16_t Status; uint8_t RevisionID; uint8_t ClassCode[3]; uint8_t CacheLineSize; uint8_t LaytencyTimer; uint8_t HeaderType; uint8_t BIST; } PCI_DEVICE_INDEPENDENT_REGION; typedef struct { uint32_t Bar[6]; uint32_t CISPtr; uint16_t SubsystemVendorID; uint16_t SubsystemID; uint32_t ExpansionRomBar; uint32_t Reserved[2]; uint8_t InterruptLine; uint8_t InterruptPin; uint8_t MinGnt; uint8_t MaxLat; } PCI_DEVICE_HEADER_TYPE_REGION; typedef struct { PCI_DEVICE_INDEPENDENT_REGION Hdr; PCI_DEVICE_HEADER_TYPE_REGION Device; } PCI_TYPE00; typedef struct { uint32_t Bar[2]; uint8_t PrimaryBus; uint8_t SecondaryBus; uint8_t SubordinateBus; uint8_t SecondaryLatencyTimer; uint8_t IoBase; uint8_t IoLimit; uint16_t SecondaryStatus; uint16_t MemoryBase; uint16_t MemoryLimit; uint16_t PrefetchableMemoryBase; uint16_t PrefetchableMemoryLimit; uint32_t PrefetchableBaseUpper32; uint32_t PrefetchableLimitUpper32; uint16_t IoBaseUpper16; uint16_t IoLimitUpper16; uint32_t Reserved; uint32_t ExpansionRomBAR; uint8_t InterruptLine; uint8_t InterruptPin; uint16_t BridgeControl; } PCI_BRIDGE_CONTROL_REGISTER; #define PCI_CLASS_DISPLAY_CTRL 0x03 #define PCI_CLASS_VGA 0x00 #define PCI_CLASS_BRIDGE 0x06 #define PCI_CLASS_ISA 0x01 #define PCI_CLASS_ISA_POSITIVE_DECODE 0x80 #define PCI_CLASS_NETWORK 0x02 #define PCI_CLASS_ETHERNET 0x00 #define HEADER_TYPE_DEVICE 0x00 #define HEADER_TYPE_PCI_TO_PCI_BRIDGE 0x01 #define HEADER_TYPE_MULTI_FUNCTION 0x80 #define HEADER_LAYOUT_CODE 0x7f #define IS_PCI_BRIDGE(_p) ((((_p)->Hdr.HeaderType) & HEADER_LAYOUT_CODE) == HEADER_TYPE_PCI_TO_PCI_BRIDGE) #define IS_PCI_MULTI_FUNC(_p) (((_p)->Hdr.HeaderType) & HEADER_TYPE_MULTI_FUNCTION) typedef struct { PCI_DEVICE_INDEPENDENT_REGION Hdr; PCI_BRIDGE_CONTROL_REGISTER Bridge; } PCI_TYPE01; typedef struct { uint8_t Register; uint8_t Function; uint8_t Device; uint8_t Bus; uint8_t Reserved[4]; } DEFIO_PCI_ADDR; typedef struct { uint32_t Reg : 8; uint32_t Func : 3; uint32_t Dev : 5; uint32_t Bus : 8; uint32_t Reserved: 7; uint32_t Enable : 1; } PCI_CONFIG_ACCESS_CF8; #pragma pack() #define EFI_ROOT_BRIDGE_LIST 'eprb' typedef struct { UINTN Signature; uint16_t BridgeNumber; uint16_t PrimaryBus; uint16_t SubordinateBus; EFI_DEVICE_PATH *DevicePath; LIST_ENTRY Link; } PCI_ROOT_BRIDGE_ENTRY; #define PCI_EXPANSION_ROM_HEADER_SIGNATURE 0xaa55 #define EFI_PCI_EXPANSION_ROM_HEADER_EFISIGNATURE 0x0EF1 #define PCI_DATA_STRUCTURE_SIGNATURE EFI_SIGNATURE_32('P','C','I','R') #pragma pack(1) typedef struct { uint16_t Signature; // 0xaa55 uint8_t Reserved[0x16]; uint16_t PcirOffset; } PCI_EXPANSION_ROM_HEADER; typedef struct { uint16_t Signature; // 0xaa55 uint16_t InitializationSize; uint16_t EfiSignature; // 0x0EF1 uint16_t EfiSubsystem; uint16_t EfiMachineType; uint8_t Reserved[0x0A]; uint16_t EfiImageHeaderOffset; uint16_t PcirOffset; } EFI_PCI_EXPANSION_ROM_HEADER; typedef struct { uint32_t Signature; // "PCIR" uint16_t VendorId; uint16_t DeviceId; uint16_t Reserved0; uint16_t Length; uint8_t Revision; uint8_t ClassCode[3]; uint16_t ImageLength; uint16_t CodeRevision; uint8_t CodeType; uint8_t Indicator; uint16_t Reserved1; } PCI_DATA_STRUCTURE; #pragma pack() #endif /** Command-line options */ struct options { uint16_t vendor; uint16_t device; }; /** * Allocate memory * * @v len Length of memory to allocate * @ret ptr Pointer to allocated memory */ static void * xmalloc ( size_t len ) { void *ptr; ptr = malloc ( len ); if ( ! ptr ) { eprintf ( "Could not allocate %zd bytes\n", len ); exit ( 1 ); } return ptr; } /** * Get file size * * @v file File * @v len File size */ /* static size_t file_size ( FILE *file ) { ssize_t len; return len; } */ /** * Read information from PE headers * * @v pe PE file * @ret machine Machine type * @ret subsystem EFI subsystem */ static void read_pe_info ( void *pe, uint16_t *machine, uint16_t *subsystem ) { IMAGE_DOS_HEADER *dos; union { IMAGE_NT_HEADERS nt64; } *nt; /* Locate NT header */ dos = pe; nt = ( pe + dos->e_lfanew ); /* issue 4: TianoCore demands subsystem 10, so we must use EFI_APPLICATION * in the PE header. Therefore we force EFI_ROM subsystem in this code here. */ if(nt->nt64.OptionalHeader.Subsystem == 10) nt->nt64.OptionalHeader.Subsystem = 13; /* Parse out PE information */ *machine = nt->nt64.FileHeader.Machine; *subsystem = nt->nt64.OptionalHeader.Subsystem; } /** * Convert EFI image to ROM image * * @v pe EFI file * @v rom ROM file */ static void make_efi_rom ( FILE *pe, FILE *rom, struct options *opts ) { struct { EFI_PCI_EXPANSION_ROM_HEADER rom; PCI_DATA_STRUCTURE pci __attribute__ (( aligned ( 4 ) )); uint8_t checksum; } *headers; struct stat pe_stat; size_t pe_size; size_t rom_size; void *buf; void *payload; unsigned int i; uint8_t checksum; /* Determine PE file size */ if ( fstat ( fileno ( pe ), &pe_stat ) != 0 ) { eprintf ( "Could not stat PE file: %s\n", strerror ( errno ) ); exit ( 1 ); } pe_size = pe_stat.st_size; /* Determine ROM file size */ rom_size = ( ( pe_size + sizeof ( *headers ) + 511 ) & ~511 ); /* Allocate ROM buffer and read in PE file */ buf = xmalloc ( rom_size ); memset ( buf, 0, rom_size ); headers = buf; payload = ( buf + sizeof ( *headers ) ); if ( fread ( payload, pe_size, 1, pe ) != 1 ) { eprintf ( "Could not read PE file: %s\n", strerror ( errno ) ); exit ( 1 ); } /* Construct ROM header */ headers->rom.Signature = PCI_EXPANSION_ROM_HEADER_SIGNATURE; headers->rom.InitializationSize = ( rom_size / 512 ); headers->rom.EfiSignature = EFI_PCI_EXPANSION_ROM_HEADER_EFISIGNATURE; read_pe_info ( payload, &headers->rom.EfiMachineType, &headers->rom.EfiSubsystem ); headers->rom.EfiImageHeaderOffset = sizeof ( *headers ); headers->rom.PcirOffset = offsetof ( typeof ( *headers ), pci ); headers->pci.Signature = PCI_DATA_STRUCTURE_SIGNATURE; headers->pci.VendorId = opts->vendor ? opts->vendor : 0x8086; headers->pci.DeviceId = opts->device ? opts->device : 0x100E; headers->pci.Length = sizeof ( headers->pci ); headers->pci.ClassCode[0] = PCI_CLASS_NETWORK; headers->pci.ImageLength = ( rom_size / 512 ); headers->pci.CodeType = 0x03; /* No constant in EFI headers? */ headers->pci.Indicator = 0x80; /* No constant in EFI headers? */ /* Fix image checksum */ for ( i = 0, checksum = 0 ; i < rom_size ; i++ ) checksum += *( ( uint8_t * ) buf + i ); headers->checksum -= checksum; /* Write out ROM */ if ( fwrite ( buf, rom_size, 1, rom ) != 1 ) { eprintf ( "Could not write ROM file: %s\n", strerror ( errno ) ); exit ( 1 ); } } /** * Parse command-line options * * @v argc Argument count * @v argv Argument list * @v opts Options structure to populate */ static int parse_options ( const int argc, char **argv, struct options *opts ) { char *end; int c; while (1) { int option_index = 0; static struct option long_options[] = { { "vendor", required_argument, NULL, 'v' }, { "device", required_argument, NULL, 'd' }, { "help", 0, NULL, 'h' }, { 0, 0, 0, 0 } }; if ( ( c = getopt_long ( argc, argv, "v:d:h", long_options, &option_index ) ) == -1 ) { break; } switch ( c ) { case 'v': opts->vendor = strtoul ( optarg, &end, 16 ); if ( *end ) { eprintf ( "Invalid vendor \"%s\"\n", optarg ); exit ( 2 ); } break; case 'd': opts->device = strtoul ( optarg, &end, 16 ); if ( *end ) { eprintf ( "Invalid device \"%s\"\n", optarg ); exit ( 2 ); } break; case 'h': print_help ( argv[0] ); exit ( 0 ); case '?': default: exit ( 2 ); } } return optind; } int main ( int argc, char **argv ) { struct options opts = { }; unsigned int infile_index; const char *infile_name; const char *outfile_name; FILE *infile; FILE *outfile; /* Parse command-line arguments */ infile_index = parse_options ( argc, argv, &opts ); if ( argc != ( infile_index + 2 ) ) { print_help ( argv[0] ); exit ( 2 ); } infile_name = argv[infile_index]; outfile_name = argv[infile_index + 1]; /* Open input and output files */ infile = fopen ( infile_name, "r" ); if ( ! infile ) { eprintf ( "Could not open %s for reading: %s\n", infile_name, strerror ( errno ) ); exit ( 1 ); } outfile = fopen ( outfile_name, "w" ); if ( ! outfile ) { eprintf ( "Could not open %s for writing: %s\n", outfile_name, strerror ( errno ) ); exit ( 1 ); } /* Convert file */ make_efi_rom ( infile, outfile, &opts ); fclose ( outfile ); fclose ( infile ); return 0; }