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posix-uefi/utils/efirom.c
bzt 4da8882887 More docs
2022-10-29 17:10:54 +02:00

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/*
* utils/efirom.c
*
* Copyright (C) 2009 Michael Brown <mbrown@fensystems.co.uk>.
*
* 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 <stdint.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
#include <assert.h>
#include <getopt.h>
#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 "!<arch>\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;
}
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