/*++
Copyright (c) 1999-2006 Intel Corporation. All rights reserved
This program and the accompanying materials are licensed and made available
under the terms and conditions of the BSD License which accompanies this
distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
EfiRom.c
Abstract:
Utility program to create an EFI option ROM image from binary and
EFI PE32 files.
--*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <Common/UefiBaseTypes.h>
#include <Common/EfiImage.h> // for PE32 structure definitions
#include <Common/MultiPhase.h>
#include <IndustryStandard/pci22.h> // for option ROM header structures
#include "Compress.h"
#include "CommonLib.h"
//
// Version of this utility
//
#define UTILITY_NAME "EfiRom"
#define UTILITY_MAJOR_VERSION 2
#define UTILITY_MINOR_VERSION 5
//
// Define some status return values
//
#define STATUS_SUCCESS 0
#define STATUS_WARNING 1
#define STATUS_ERROR 2
//
// Define the max length of a filename
//
#define MAX_PATH 200
#define DEFAULT_OUTPUT_EXTENSION ".rom"
//
// Max size for an option ROM image
//
#define MAX_OPTION_ROM_SIZE (1024 * 1024 * 16) // 16MB
//
// Values for the indicator field in the PCI data structure
//
#define INDICATOR_LAST 0x80 // last file in series of files
//
// Masks for the FILE_LIST.FileFlags field
//
#define FILE_FLAG_BINARY 0x01
#define FILE_FLAG_EFI 0x02
#define FILE_FLAG_COMPRESS 0x04
//
// Use this linked list structure to keep track of all the filenames
// specified on the command line.
//
typedef struct _FILE_LIST {
struct _FILE_LIST *Next;
INT8 *FileName;
UINT32 FileFlags;
UINT32 ClassCode;
UINT16 CodeRevision;
} FILE_LIST;
//
// Use this to track our command-line options
//
typedef struct {
INT8 OutFileName[MAX_PATH];
INT8 NoLast;
INT8 Verbose;
INT8 DumpOption;
UINT8 DevIdValid;
UINT8 VendIdValid;
UINT16 VendId;
UINT16 DevId;
FILE_LIST *FileList;
} OPTIONS;
//
// Make a global structure to keep track of command-line options
//
static OPTIONS mOptions;
//
// Use these to convert from machine type value to a named type
//
typedef struct {
UINT16 Value;
char *Name;
} STRING_LOOKUP;
static STRING_LOOKUP mMachineTypes[] = {
EFI_IMAGE_MACHINE_IA32,
"IA32",
EFI_IMAGE_MACHINE_IA64,
"IA64",
EFI_IMAGE_MACHINE_EBC,
"EBC",
0,
NULL
};
static STRING_LOOKUP mSubsystemTypes[] = {
EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION,
"EFI application",
EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER,
"EFI boot service driver",
EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER,
"EFI runtime driver",
0,
NULL
};
//
// Function prototypes
//
static
void
Version (
VOID
);
static
void
Usage (
VOID
);
static
int
ParseCommandLine (
int Argc,
char *Argv[],
OPTIONS *Options
);
static
int
CheckPE32File (
FILE *Fptr,
UINT16 *MachineType,
UINT16 *SubSystem
);
static
int
ProcessEfiFile (
FILE *OutFptr,
FILE_LIST *InFile,
UINT16 VendId,
UINT16 DevId,
UINT32 *Size
);
static
int
ProcessBinFile (
FILE *OutFptr,
FILE_LIST *InFile,
UINT32 *Size
);
static
void
DumpImage (
FILE_LIST *InFile
);
char *
GetMachineTypeStr (
UINT16 MachineType
);
static
char *
GetSubsystemTypeStr (
UINT16 SubsystemType
);
main (
int Argc,
char *Argv[]
)
/*++
Routine Description:
Given an EFI image filename, create a ROM-able image by creating an option
ROM header and PCI data structure, filling them in, and then writing the
option ROM header + PCI data structure + EFI image out to the output file.
Arguments:
Argc - standard C main() argument count
Argv - standard C main() argument list
Returns:
0 success
non-zero otherwise
--*/
// GC_TODO: ] - add argument and description to function comment
{
INT8 *Ext;
FILE *FptrOut;
UINT32 Status;
FILE_LIST *FList;
UINT32 TotalSize;
UINT32 Size;
Status = STATUS_SUCCESS;
FptrOut = NULL;
//
// Parse the command line arguments
//
if (ParseCommandLine (Argc, Argv, &mOptions)) {
return STATUS_ERROR;
}
//
// If dumping an image, then do that and quit
//
if (mOptions.DumpOption) {
DumpImage (mOptions.FileList);
goto BailOut;
}
//
// Determine the output filename. Either what they specified on
// the command line, or the first input filename with a different extension.
//
if (!mOptions.OutFileName[0]) {
strcpy (mOptions.OutFileName, mOptions.FileList->FileName);
//
// Find the last . on the line and replace the filename extension with
// the default
//
for (Ext = mOptions.OutFileName + strlen (mOptions.OutFileName) - 1;
(Ext >= mOptions.OutFileName) && (*Ext != '.') && (*Ext != '\\');
Ext--
)
;
//
// If dot here, then insert extension here, otherwise append
//
if (*Ext != '.') {
Ext = mOptions.OutFileName + strlen (mOptions.OutFileName);
}
strcpy (Ext, DEFAULT_OUTPUT_EXTENSION);
}
//
// Make sure we don't have the same filename for input and output files
//
for (FList = mOptions.FileList; FList != NULL; FList = FList->Next) {
if (stricmp (mOptions.OutFileName, FList->FileName) == 0) {
Status = STATUS_ERROR;
fprintf (
stdout,
"ERROR: Input and output file names must be different - %s = %s\n",
FList->FileName,
mOptions.OutFileName
);
goto BailOut;
}
}
//
// Now open our output file
//
if ((FptrOut = fopen (mOptions.OutFileName, "w+b")) == NULL) {
fprintf (stdout, "ERROR: Failed to open output file %s\n", mOptions.OutFileName);
goto BailOut;
}
//
// Process all our files
//
TotalSize = 0;
for (FList = mOptions.FileList; FList != NULL; FList = FList->Next) {
Size = 0;
if (FList->FileFlags & FILE_FLAG_EFI) {
if (mOptions.Verbose) {
fprintf (stdout, "Processing EFI file %s\n", FList->FileName);
}
Status = ProcessEfiFile (FptrOut, FList, mOptions.VendId, mOptions.DevId, &Size);
} else if (FList->FileFlags & FILE_FLAG_BINARY) {
if (mOptions.Verbose) {
fprintf (stdout, "Processing binary file %s\n", FList->FileName);
}
Status = ProcessBinFile (FptrOut, FList, &Size);
} else {
fprintf (stdout, "ERROR: File not specified as EFI or binary: %s\n", FList->FileName);
Status = STATUS_ERROR;
}
if (mOptions.Verbose) {
fprintf (stdout, " Output size = 0x%X\n", Size);
}
if (Status != STATUS_SUCCESS) {
break;
}
TotalSize += Size;
}
//
// Check total size
//
if (TotalSize > MAX_OPTION_ROM_SIZE) {
fprintf (
stdout,
"ERROR: Option ROM image size exceeds limit 0x%X bytes\n",
MAX_OPTION_ROM_SIZE
);
Status = STATUS_ERROR;
}
BailOut:
if (FptrOut != NULL) {
fclose (FptrOut);
}
//
// Clean up our file list
//
while (mOptions.FileList != NULL) {
FList = mOptions.FileList->Next;
free (mOptions.FileList);
mOptions.FileList = FList;
}
return Status;
}
static
int
ProcessBinFile (
FILE *OutFptr,
FILE_LIST *InFile,
UINT32 *Size
)
/*++
Routine Description:
Process a binary input file.
Arguments:
OutFptr - file pointer to output binary ROM image file we're creating
InFile - structure contains information on the binary file to process
Size - pointer to where to return the size added to the output file
Returns:
0 - successful
--*/
{
FILE *InFptr;
UINT32 TotalSize;
UINT32 FileSize;
UINT8 *Buffer;
UINT32 Status;
PCI_EXPANSION_ROM_HEADER *RomHdr;
PCI_DATA_STRUCTURE *PciDs;
UINT32 Index;
UINT8 ByteCheckSum;
Status = STATUS_SUCCESS;
//
// Try to open the input file
//
if ((InFptr = fopen (InFile->FileName, "rb")) == NULL) {
fprintf (stdout, "ERROR: Failed to open input file %s\n", InFile->FileName);
return STATUS_ERROR;
}
//
// Seek to the end of the input file and get the file size. Then allocate
// a buffer to read it in to.
//
fseek (InFptr, 0, SEEK_END);
FileSize = ftell (InFptr);
if (mOptions.Verbose) {
fprintf (stdout, " File size = 0x%X\n", FileSize);
}
fseek (InFptr, 0, SEEK_SET);
Buffer = (INT8 *) malloc (FileSize);
if (Buffer == NULL) {
fprintf (stdout, "ERROR: Memory allocation failed\n");
Status = STATUS_ERROR;
goto BailOut;
}
if (fread (Buffer, FileSize, 1, InFptr) != 1) {
fprintf (stdout, "ERROR: Failed to read all bytes from input file\n");
Status = STATUS_ERROR;
goto BailOut;
}
//
// Total size must be an even multiple of 512 bytes, and can't exceed
// the option ROM image size.
//
TotalSize = FileSize;
if (TotalSize & 0x1FF) {
TotalSize = (TotalSize + 0x200) &~0x1ff;
}
if (TotalSize > MAX_OPTION_ROM_SIZE) {
fprintf (
stdout,
"ERROR: Option ROM image %s size exceeds limit 0x%X bytes\n",
InFile->FileName,
MAX_OPTION_ROM_SIZE
);
Status = STATUS_ERROR;
goto BailOut;
}
//
// Return the size to the caller so they can keep track of the running total.
//
*Size = TotalSize;
//
// Crude check to make sure it's a legitimate ROM image
//
RomHdr = (PCI_EXPANSION_ROM_HEADER *) Buffer;
if (RomHdr->Signature != PCI_EXPANSION_ROM_HEADER_SIGNATURE) {
fprintf (stdout, "ERROR: ROM image file has invalid ROM signature\n");
Status = STATUS_ERROR;
goto BailOut;
}
//
// Make sure the pointer to the PCI data structure is within the size of the image.
// Then check it for valid signature.
//
if ((RomHdr->PcirOffset > FileSize) || (RomHdr->PcirOffset == 0)) {
fprintf (stdout, "ERROR: Invalid PCI data structure offset\n");
Status = STATUS_ERROR;
goto BailOut;
}
PciDs = (PCI_DATA_STRUCTURE *) (Buffer + RomHdr->PcirOffset);
if (PciDs->Signature != PCI_DATA_STRUCTURE_SIGNATURE) {
fprintf (stdout, "ERROR: PCI data structure has invalid signature\n");
Status = STATUS_ERROR;
goto BailOut;
}
//
// If this is the last image, then set the LAST bit unless requested not
// to via the command-line -l argument. Otherwise, make sure you clear it.
//
if ((InFile->Next == NULL) && (mOptions.NoLast == 0)) {
PciDs->Indicator = INDICATOR_LAST;
} else {
PciDs->Indicator = 0;
}
ByteCheckSum = 0;
for (Index = 0; Index < FileSize - 1; Index++) {
ByteCheckSum = (UINT8) (ByteCheckSum + Buffer[Index]);
}
Buffer[FileSize - 1] = (UINT8) ((~ByteCheckSum) + 1);
fprintf (stdout, "CheckSUm = %02x\n", (UINT32) Buffer[FileSize - 1]);
//
// Now copy the input file contents out to the output file
//
if (fwrite (Buffer, FileSize, 1, OutFptr) != 1) {
fprintf (stdout, "ERROR: Failed to write all file bytes to output file\n");
Status = STATUS_ERROR;
goto BailOut;
}
TotalSize -= FileSize;
//
// Pad the rest of the image to make it a multiple of 512 bytes
//
while (TotalSize > 0) {
putc (~0, OutFptr);
TotalSize--;
}
BailOut:
if (InFptr != NULL) {
fclose (InFptr);
}
if (Buffer != NULL) {
free (Buffer);
}
//
// Print the file name if errors occurred
//
if (Status != STATUS_SUCCESS) {
fprintf (stdout, "Error processing binary file %s\n", InFile->FileName);
}
return Status;
}
static
int
ProcessEfiFile (
FILE *OutFptr,
FILE_LIST *InFile,
UINT16 VendId,
UINT16 DevId,
UINT32 *Size
)
/*++
Routine Description:
Process a PE32 EFI file.
Arguments:
OutFptr - file pointer to output binary ROM image file we're creating
InFile - structure contains information on the PE32 file to process
VendId - vendor ID as required in the option ROM header
DevId - device ID as required in the option ROM header
Size - pointer to where to return the size added to the output file
Returns:
0 - successful
--*/
{
UINT32 Status;
FILE *InFptr;
EFI_PCI_EXPANSION_ROM_HEADER RomHdr;
PCI_DATA_STRUCTURE PciDs;
UINT32 FileSize;
UINT32 CompressedFileSize;
UINT8 *Buffer;
UINT8 *CompressedBuffer;
UINT8 *TempBufferPtr;
UINT32 TotalSize;
UINT32 HeaderSize;
UINT16 MachineType;
UINT16 SubSystem;
UINT32 HeaderPadBytes;
//
// Try to open the input file
//
if ((InFptr = fopen (InFile->FileName, "rb")) == NULL) {
fprintf (stdout, "ERROR: Failed to open input file %s\n", InFile->FileName);
return STATUS_ERROR;
}
//
// Initialize our buffer pointers to null.
//
Buffer = NULL;
CompressedBuffer = NULL;
//
// Double-check the file to make sure it's what we expect it to be
//
Status = CheckPE32File (InFptr, &MachineType, &SubSystem);
if (Status != STATUS_SUCCESS) {
goto BailOut;
}
//
// Seek to the end of the input file and get the file size
//
fseek (InFptr, 0, SEEK_END);
FileSize = ftell (InFptr);
//
// Get the size of the headers we're going to put in front of the image. The
// EFI header must be aligned on a 4-byte boundary, so pad accordingly.
//
if (sizeof (RomHdr) & 0x03) {
HeaderPadBytes = 4 - (sizeof (RomHdr) & 0x03);
} else {
HeaderPadBytes = 0;
}
HeaderSize = sizeof (PCI_DATA_STRUCTURE) + HeaderPadBytes + sizeof (EFI_PCI_EXPANSION_ROM_HEADER);
if (mOptions.Verbose) {
fprintf (stdout, " File size = 0x%X\n", FileSize);
}
//
// Allocate memory for the entire file (in case we have to compress), then
// seek back to the beginning of the file and read it into our buffer.
//
Buffer = (INT8 *) malloc (FileSize);
if (Buffer == NULL) {
fprintf (stdout, "ERROR: Memory allocation failed\n");
Status = STATUS_ERROR;
goto BailOut;
}
fseek (InFptr, 0, SEEK_SET);
if (fread (Buffer, FileSize, 1, InFptr) != 1) {
fprintf (stdout, "ERROR: Failed to read all bytes from input file\n");
Status = STATUS_ERROR;
goto BailOut;
}
//
// Now determine the size of the final output file. It's either the header size
// plus the file's size, or the header size plus the compressed file size.
//
if (InFile->FileFlags & FILE_FLAG_COMPRESS) {
//
// Allocate a buffer into which we can compress the image, compress it,
// and use that size as the new size.
//
CompressedBuffer = (INT8 *) malloc (FileSize);
if (CompressedBuffer == NULL) {
fprintf (stdout, "ERROR: Memory allocation failed\n");
Status = STATUS_ERROR;
goto BailOut;
}
CompressedFileSize = FileSize;
Status = EfiCompress (Buffer, FileSize, CompressedBuffer, &CompressedFileSize);
if (Status != STATUS_SUCCESS) {
fprintf (stdout, "ERROR: Compression failed\n");
goto BailOut;
}
//
// Now compute the size, then swap buffer pointers.
//
if (mOptions.Verbose) {
fprintf (stdout, " Comp size = 0x%X\n", CompressedFileSize);
}
TotalSize = CompressedFileSize + HeaderSize;
FileSize = CompressedFileSize;
TempBufferPtr = Buffer;
Buffer = CompressedBuffer;
CompressedBuffer = TempBufferPtr;
} else {
TotalSize = FileSize + HeaderSize;
}
//
// Total size must be an even multiple of 512 bytes
//
if (TotalSize & 0x1FF) {
TotalSize = (TotalSize + 0x200) &~0x1ff;
}
//
// Check size
//
if (TotalSize > MAX_OPTION_ROM_SIZE) {
fprintf (
stdout,
"ERROR: Option ROM image %s size exceeds limit 0x%X bytes\n",
InFile->FileName,
MAX_OPTION_ROM_SIZE
);
Status = STATUS_ERROR;
goto BailOut;
}
//
// Return the size to the caller so they can keep track of the running total.
//
*Size = TotalSize;
//
// Now fill in the ROM header. These values come from chapter 18 of the
// EFI 1.02 specification.
//
memset (&RomHdr, 0, sizeof (RomHdr));
RomHdr.Signature = PCI_EXPANSION_ROM_HEADER_SIGNATURE;
RomHdr.InitializationSize = (UINT16) (TotalSize / 512);
RomHdr.EfiSignature = EFI_PCI_EXPANSION_ROM_HEADER_EFISIGNATURE;
RomHdr.EfiSubsystem = SubSystem;
RomHdr.EfiMachineType = MachineType;
RomHdr.EfiImageHeaderOffset = (UINT16) HeaderSize;
RomHdr.PcirOffset = (UINT16) (sizeof (RomHdr) + HeaderPadBytes);
//
// Set image as compressed or not
//
if (InFile->FileFlags & FILE_FLAG_COMPRESS) {
RomHdr.CompressionType = EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED;
}
//
// Fill in the PCI data structure
//
memset (&PciDs, 0, sizeof (PCI_DATA_STRUCTURE));
PciDs.Signature = PCI_DATA_STRUCTURE_SIGNATURE;
PciDs.VendorId = VendId;
PciDs.DeviceId = DevId;
PciDs.Length = (UINT16) sizeof (PCI_DATA_STRUCTURE);
PciDs.Revision = 0;
//
// Class code and code revision from the command line (optional)
//
PciDs.ClassCode[0] = (UINT8) InFile->ClassCode;
PciDs.ClassCode[1] = (UINT8) (InFile->ClassCode >> 8);
PciDs.ClassCode[2] = (UINT8) (InFile->ClassCode >> 16);
PciDs.ImageLength = RomHdr.InitializationSize;
PciDs.CodeRevision = InFile->CodeRevision;
PciDs.CodeType = PCI_CODE_TYPE_EFI_IMAGE;
//
// If this is the last image, then set the LAST bit unless requested not
// to via the command-line -l argument.
//
if ((InFile->Next == NULL) && (mOptions.NoLast == 0)) {
PciDs.Indicator = INDICATOR_LAST;
}
//
// Write the ROM header to the output file
//
if (fwrite (&RomHdr, sizeof (RomHdr), 1, OutFptr) != 1) {
fprintf (stdout, "ERROR: Failed to write ROM header to output file\n");
Status = STATUS_ERROR;
goto BailOut;
}
//
// Write pad bytes to align the PciDs
//
while (HeaderPadBytes > 0) {
if (putc (0, OutFptr) == EOF) {
fprintf (stdout, "ERROR: Failed to write ROM header pad bytes to output file\n");
Status = STATUS_ERROR;
goto BailOut;
}
HeaderPadBytes--;
}
//
// Write the PCI data structure header to the output file
//
if (fwrite (&PciDs, sizeof (PciDs), 1, OutFptr) != 1) {
fprintf (stdout, "ERROR: Failed to write PCI ROM header to output file\n");
Status = STATUS_ERROR;
goto BailOut;
}
//
// Keep track of how many bytes left to write
//
TotalSize -= HeaderSize;
//
// Now dump the input file's contents to the output file
//
if (fwrite (Buffer, FileSize, 1, OutFptr) != 1) {
fprintf (stdout, "ERROR: Failed to write all file bytes to output file\n");
Status = STATUS_ERROR;
goto BailOut;
}
TotalSize -= FileSize;
//
// Pad the rest of the image to make it a multiple of 512 bytes
//
while (TotalSize > 0) {
if (putc (~0, OutFptr) == EOF) {
fprintf (stdout, "ERROR: Failed to write trailing pad bytes output file\n");
Status = STATUS_ERROR;
goto BailOut;
}
TotalSize--;
}
BailOut:
if (InFptr != NULL) {
fclose (InFptr);
}
//
// Free up our buffers
//
if (Buffer != NULL) {
free (Buffer);
}
if (CompressedBuffer != NULL) {
free (CompressedBuffer);
}
//
// Print the file name if errors occurred
//
if (Status != STATUS_SUCCESS) {
fprintf (stdout, "Error processing EFI file %s\n", InFile->FileName);
}
return Status;
}
static
int
CheckPE32File (
FILE *Fptr,
UINT16 *MachineType,
UINT16 *SubSystem
)
/*++
Routine Description:
GC_TODO: Add function description
Arguments:
Fptr - GC_TODO: add argument description
MachineType - GC_TODO: add argument description
SubSystem - GC_TODO: add argument description
Returns:
GC_TODO: add return values
--*/
{
/*++
Routine Description:
Given a file pointer to a supposed PE32 image file, verify that it is indeed a
PE32 image file, and then return the machine type in the supplied pointer.
Arguments:
Fptr File pointer to the already-opened PE32 file
MachineType Location to stuff the machine type of the PE32 file. This is needed
because the image may be Itanium-based, IA32, or EBC.
Returns:
0 success
non-zero otherwise
--*/
EFI_IMAGE_DOS_HEADER DosHeader;
EFI_IMAGE_FILE_HEADER FileHdr;
EFI_IMAGE_OPTIONAL_HEADER OptionalHdr;
UINT32 PESig;
//
// Position to the start of the file
//
fseek (Fptr, 0, SEEK_SET);
//
// Read the DOS header
//
if (fread (&DosHeader, sizeof (DosHeader), 1, Fptr) != 1) {
fprintf (stdout, "ERROR: Failed to read the DOS stub from the input file\n");
return STATUS_ERROR;
}
//
// Check the magic number (0x5A4D)
//
if (DosHeader.e_magic != EFI_IMAGE_DOS_SIGNATURE) {
fprintf (stdout, "ERROR: Input file does not appear to be a PE32 image (magic number)\n");
return STATUS_ERROR;
}
//
// Position into the file and check the PE signature
//
fseek (Fptr, (long) DosHeader.e_lfanew, SEEK_SET);
if (fread (&PESig, sizeof (PESig), 1, Fptr) != 1) {
fprintf (stdout, "ERROR: Failed to read PE signature bytes from input file\n");
return STATUS_ERROR;
}
//
// Check the PE signature in the header "PE\0\0"
//
if (PESig != EFI_IMAGE_NT_SIGNATURE) {
fprintf (stdout, "ERROR: Input file does not appear to be a PE32 image (signature)\n");
return STATUS_ERROR;
}
//
// Read the file header and stuff their MachineType
//
if (fread (&FileHdr, sizeof (FileHdr), 1, Fptr) != 1) {
fprintf (stdout, "ERROR: Failed to read PE file header from input file\n");
return STATUS_ERROR;
}
memcpy ((char *) MachineType, &FileHdr.Machine, 2);
//
// Read the optional header so we can get the subsystem
//
if (fread (&OptionalHdr, sizeof (OptionalHdr), 1, Fptr) != 1) {
fprintf (stdout, "ERROR: Failed to read COFF optional header from input file\n");
return STATUS_ERROR;
}
*SubSystem = OptionalHdr.Subsystem;
if (mOptions.Verbose) {
fprintf (stdout, " Got subsystem = 0x%X from image\n", (int) *SubSystem);
}
//
// Good to go
//
return STATUS_SUCCESS;
}
static
int
ParseCommandLine (
int Argc,
char *Argv[],
OPTIONS *Options
)
/*++
Routine Description:
Given the Argc/Argv program arguments, and a pointer to an options structure,
parse the command-line options and check their validity.
Arguments:
Argc - standard C main() argument count
Argv[] - standard C main() argument list
Options - pointer to a structure to store the options in
Returns:
STATUS_SUCCESS success
non-zero otherwise
--*/
//
{
FILE_LIST *FileList;
FILE_LIST *PrevFileList;
UINT32 FileFlags;
UINT32 ClassCode;
UINT32 CodeRevision;
FileFlags = 0;
//
// Clear out the options
//
memset ((char *) Options, 0, sizeof (OPTIONS));
//
// To avoid compile warnings
//
FileList = PrevFileList = NULL;
ClassCode = 0;
CodeRevision = 0;
//
// Skip over the program name
//
Argc--;
Argv++;
//
// If no arguments, assume they want usage info
//
if (Argc == 0) {
Usage ();
return STATUS_ERROR;
}
if ((strcmp(Argv[0], "-h") == 0) || (strcmp(Argv[0], "--help") == 0) ||
(strcmp(Argv[0], "-?") == 0) || (strcmp(Argv[0], "/?") == 0)) {
Usage();
return STATUS_ERROR;
}
if ((strcmp(Argv[0], "-V") == 0) || (strcmp(Argv[0], "--version") == 0)) {
Version();
return STATUS_ERROR;
}
//
// Process until no more arguments
//
while (Argc > 0) {
if ((Argv[0][0] == '-') || (Argv[0][0] == '/')) {
//
// To simplify string comparisons, replace slashes with dashes
//
Argv[0][0] = '-';
//
// Vendor ID specified with -v
//
if (stricmp (Argv[0], "-v") == 0) {
//
// Make sure there's another parameter
//
if (Argc > 1) {
Options->VendId = (UINT16) strtol (Argv[1], NULL, 16);
Options->VendIdValid = 1;
} else {
fprintf (
stdout,
"ERROR: Missing Vendor ID with %s\n\n",
Argv[0]
);
Usage ();
return STATUS_ERROR;
}
Argv++;
Argc--;
} else if (stricmp (Argv[0], "-d") == 0) {
//
// Device ID specified with -d
// Make sure there's another parameter
//
if (Argc > 1) {
Options->DevId = (UINT16) strtol (Argv[1], NULL, 16);
Options->DevIdValid = 1;
} else {
fprintf (
stdout,
"ERROR: Missing Device ID with %s\n\n",
Argv[0]
);
Usage ();
return STATUS_ERROR;
}
Argv++;
Argc--;
} else if (stricmp (Argv[0], "-o") == 0) {
//
// Output filename specified with -o
// Make sure there's another parameter
//
if (Argc > 1) {
strcpy (Options->OutFileName, Argv[1]);
} else {
fprintf (
stdout,
"ERROR: Missing output file name with %s\n\n",
Argv[0]
);
Usage ();
return STATUS_ERROR;
}
Argv++;
Argc--;
} else if ((stricmp (Argv[0], "-h") == 0) || (strcmp (Argv[0], "-?") == 0)) {
//
// Help option
//
Usage ();
return STATUS_ERROR;
} else if (stricmp (Argv[0], "-b") == 0) {
//
// Specify binary files with -b
//
FileFlags = (FileFlags &~FILE_FLAG_EFI) | FILE_FLAG_BINARY;
} else if ((stricmp (Argv[0], "-e") == 0) || (stricmp (Argv[0], "-ec") == 0)) {
//
// Specify EFI files with -e. Specify EFI-compressed with -ec.
//
FileFlags = (FileFlags &~FILE_FLAG_BINARY) | FILE_FLAG_EFI;
if ((Argv[0][2] == 'c') || (Argv[0][2] == 'C')) {
FileFlags |= FILE_FLAG_COMPRESS;
}
//
// Specify not to set the LAST bit in the last file with -l
//
} else if (stricmp (Argv[0], "-l") == 0) {
Options->NoLast = 1;
} else if (stricmp (Argv[0], "-p") == 0) {
//
// -v for verbose would have been nicer, but it's already used. Let's use
// -p for prolix (wordy) output
//
Options->Verbose = 1;
} else if (stricmp (Argv[0], "-dump") == 0) {
//
// -dump for dumping a ROM image. In this case, say that the device id
// and vendor id are valid so we don't have to specify bogus ones on the
// command line.
//
Options->DumpOption = 1;
Options->VendIdValid = 1;
Options->DevIdValid = 1;
FileFlags = FILE_FLAG_BINARY;
} else if (stricmp (Argv[0], "-cc") == 0) {
//
// Class code value for the next file in the list.
// Make sure there's another parameter
//
if (Argc > 1) {
//
// No error checking on the return value. Could check for LONG_MAX,
// LONG_MIN, or 0 class code value if desired. Check range (3 bytes)
// at least.
//
ClassCode = (UINT32) strtol (Argv[1], NULL, 16);
if (ClassCode & 0xFF000000) {
fprintf (stdout, "ERROR: Class code %s out of range\n", Argv[1]);
return STATUS_ERROR;
}
} else {
fprintf (
stdout,
"ERROR: Missing class code value with %s\n\n",
Argv[0]
);
Usage ();
return STATUS_ERROR;
}
Argv++;
Argc--;
} else if (stricmp (Argv[0], "-rev") == 0) {
//
// Code revision in the PCI data structure. The value is for the next
// file in the list.
// Make sure there's another parameter
//
if (Argc > 1) {
//
// No error checking on the return value. Could check for LONG_MAX,
// LONG_MIN, or 0 value if desired. Check range (2 bytes)
// at least.
//
CodeRevision = (UINT32) strtol (Argv[1], NULL, 16);
if (CodeRevision & 0xFFFF0000) {
fprintf (stdout, "ERROR: Code revision %s out of range\n", Argv[1]);
return STATUS_ERROR;
}
} else {
fprintf (
stdout,
"ERROR: Missing code revision value with %s\n\n",
Argv[0]
);
Usage ();
return STATUS_ERROR;
}
Argv++;
Argc--;
} else {
fprintf (stdout, "ERROR: Invalid option specified: %s\n\n", Argv[0]);
Usage ();
return STATUS_ERROR;
}
} else {
//
// Not a slash-option argument. Must be a file name. Make sure they've specified
// -e or -b already.
//
if ((FileFlags & (FILE_FLAG_BINARY | FILE_FLAG_EFI)) == 0) {
fprintf (stdout, "ERROR: Missing -e or -b with input file %s\n", Argv[0]);
return STATUS_ERROR;
}
//
// Create a new file structure
//
FileList = (FILE_LIST *) malloc (sizeof (FILE_LIST));
if (FileList == NULL) {
fprintf (stdout, "ERROR: Memory allocation failure\n");
return STATUS_ERROR;
}
memset ((char *) FileList, 0, sizeof (FILE_LIST));
FileList->FileName = Argv[0];
FileList->FileFlags = FileFlags;
if (Options->FileList == NULL) {
Options->FileList = FileList;
} else {
if (PrevFileList == NULL) {
PrevFileList = FileList;
} else {
PrevFileList->Next = FileList;
}
}
PrevFileList = FileList;
//
// Set the class code and code revision for this file, then reset the values.
//
FileList->ClassCode = ClassCode;
FileList->CodeRevision = (UINT16) CodeRevision;
ClassCode = 0;
CodeRevision = 0;
}
//
// Next argument
//
Argv++;
Argc--;
}
//
// Make sure they specified a device ID and vendor ID
//
if (!Options->VendIdValid) {
fprintf (stdout, "ERROR: Missing Vendor ID on command line\n\n");
Usage ();
return STATUS_ERROR;
}
if (!Options->DevIdValid) {
fprintf (stdout, "ERROR: Missing Device ID on command line\n\n");
Usage ();
return STATUS_ERROR;
}
//
// Must have specified some files
//
if (Options->FileList == NULL) {
fprintf (stdout, "ERROR: Missing input file name\n");
Usage ();
return STATUS_ERROR;
}
return 0;
}
static
void
Version (
VOID
)
/*++
Routine Description:
Print version information for this utility.
Arguments:
None.
Returns:
Nothing.
--*/
{
printf ("%s v%d.%d -EDK utility to create an option ROM image from a list of input files\n", UTILITY_NAME, UTILITY_MAJOR_VERSION, UTILITY_MINOR_VERSION);
printf ("Copyright (c) 1999-2006 Intel Corporation. All rights reserved.\n");
}
static
void
Usage (
VOID
)
/*++
Routine Description:
Print usage information for this utility.
Arguments:
None.
Returns:
Nothing.
--*/
{
int Index;
static const char *Msg[] = {
"\nUsage: efirom {-p} [-v VendorId] [-d DeviceId] {-o OutFileName} ",
" [-e|-b] [FileName(s)]",
" where:",
" VendorId - required hex PCI Vendor ID for the device",
" DeviceId - required hex PCI Device ID for the device",
" OutFileName - optional output file name. Default is the first input",
" file name with a "DEFAULT_OUTPUT_EXTENSION " file extension",
" FileNames - input PE32 or binary file name(s)",
" BinFileName - input binary file name(s)",
" -p - for verbose output",
" -l - to not automatically set the LAST bit on the last file",
" -b - following FileNames are binary files",
" -e - following FileNames are EFI PE32 image files",
" -ec - following FileNames are EFI PE32 image files, and should",
" be compressed by this utility",
" -cc ClassCode - to use hex ClassCode in the PCI data structure header for",
" the following FileName",
" -rev Revision - to use hex Revision in the PCI data structure header for",
" the following FileName",
" -dump - to dump the headers of an existing option ROM image",
" -h,--help,-?,/? - to display help messages",
" -V,--version - to display version information",
"",
"Example usage: EfiRom -v 0xABCD -d 0x1234 -b File1.bin File2.bin -e File1.efi File2.efi ",
"",
NULL
};
Version();
for (Index = 0; Msg[Index] != NULL; Index++) {
fprintf (stdout, "%s\n", Msg[Index]);
}
}
static
void
DumpImage (
FILE_LIST *InFile
)
/*++
Routine Description:
GC_TODO: Add function description
Arguments:
InFile - GC_TODO: add argument description
Returns:
GC_TODO: add return values
--*/
{
PCI_EXPANSION_ROM_HEADER PciRomHdr;
FILE *InFptr;
UINT32 ImageStart;
UINT32 ImageCount;
EFI_PCI_EXPANSION_ROM_HEADER EfiRomHdr;
PCI_DATA_STRUCTURE PciDs;
//
// Open the input file
//
if ((InFptr = fopen (InFile->FileName, "rb")) == NULL) {
fprintf (
stdout,
"ERROR: Could not open input file %s\n",
InFile->FileName
);
return ;
}
//
// Go through the image and dump the header stuff for each
//
ImageCount = 0;
for (;;) {
//
// Save our postition in the file, since offsets in the headers
// are relative to the particular image.
//
ImageStart = ftell (InFptr);
ImageCount++;
//
// Read the option ROM header. Have to assume a raw binary image for now.
//
if (fread (&PciRomHdr, sizeof (PciRomHdr), 1, InFptr) != 1) {
fprintf (stdout, "ERROR: Failed to read PCI ROM header from file\n");
goto BailOut;
}
//
// Dump the contents of the header
//
fprintf (stdout, "Image %d -- Offset 0x%X\n", ImageCount, ImageStart);
fprintf (stdout, " ROM header contents\n");
fprintf (stdout, " Signature 0x%04X\n", (UINT32) PciRomHdr.Signature);
fprintf (stdout, " PCIR offset 0x%04X\n", (UINT32) PciRomHdr.PcirOffset);
//
// Find PCI data structure
//
if (fseek (InFptr, ImageStart + PciRomHdr.PcirOffset, SEEK_SET)) {
fprintf (stdout, "ERROR: Failed to seek to PCI data structure\n");
goto BailOut;
}
//
// Read and dump the PCI data structure
//
if (fread (&PciDs, sizeof (PciDs), 1, InFptr) != 1) {
fprintf (stdout, "ERROR: Failed to read PCI data structure from file\n");
goto BailOut;
}
fprintf (stdout, " PCI Data Structure\n");
fprintf (
stdout,
" Signature %c%c%c%c\n",
(char) PciDs.Signature,
(char) (PciDs.Signature >> 8),
(char) (PciDs.Signature >> 16),
(char) (PciDs.Signature >> 24)
);
fprintf (stdout, " Vendor ID 0x%04X\n", PciDs.VendorId);
fprintf (stdout, " Device ID 0x%04X\n", PciDs.DeviceId);
fprintf (
stdout,
" Class Code 0x%06X\n",
(UINT32) (PciDs.ClassCode[0] | (PciDs.ClassCode[1] << 8) | (PciDs.ClassCode[2] << 16))
);
fprintf (stdout, " Image size 0x%X\n", PciDs.ImageLength * 512);
fprintf (stdout, " Code revision: 0x%04X\n", PciDs.CodeRevision);
fprintf (stdout, " Indicator 0x%02X", (UINT32) PciDs.Indicator);
//
// Print the indicator, used to flag the last image
//
if (PciDs.Indicator == INDICATOR_LAST) {
fprintf (stdout, " (last image)\n");
} else {
fprintf (stdout, "\n");
}
//
// Print the code type. If EFI code, then we can provide more info.
//
fprintf (stdout, " Code type 0x%02X", (UINT32) PciDs.CodeType);
if (PciDs.CodeType == PCI_CODE_TYPE_EFI_IMAGE) {
fprintf (stdout, " (EFI image)\n");
//
// Re-read the header as an EFI ROM header, then dump more info
//
fprintf (stdout, " EFI ROM header contents\n");
if (fseek (InFptr, ImageStart, SEEK_SET)) {
fprintf (stdout, "ERROR: Failed to re-seek to ROM header structure\n");
goto BailOut;
}
if (fread (&EfiRomHdr, sizeof (EfiRomHdr), 1, InFptr) != 1) {
fprintf (stdout, "ERROR: Failed to read EFI PCI ROM header from file\n");
goto BailOut;
}
//
// Now dump more info
//
fprintf (stdout, " EFI Signature 0x%04X\n", EfiRomHdr.EfiSignature);
fprintf (
stdout,
" Compression Type 0x%04X ",
(UINT32) EfiRomHdr.CompressionType
);
if (EfiRomHdr.CompressionType == EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED) {
fprintf (stdout, "(compressed)\n");
} else {
fprintf (stdout, "(not compressed)\n");
}
fprintf (
stdout,
" Machine type 0x%04X (%s)\n",
EfiRomHdr.EfiMachineType,
GetMachineTypeStr (EfiRomHdr.EfiMachineType)
);
fprintf (
stdout,
" Subsystem 0x%04X (%s)\n",
EfiRomHdr.EfiSubsystem,
GetSubsystemTypeStr (EfiRomHdr.EfiSubsystem)
);
fprintf (
stdout,
" EFI image offset 0x%04X (@0x%X)\n",
(UINT32) EfiRomHdr.EfiImageHeaderOffset,
(UINT32) (EfiRomHdr.EfiImageHeaderOffset + ImageStart)
);
} else {
//
// Not an EFI image
//
fprintf (stdout, "\n");
}
//
// If code type is EFI image, then dump it as well?
//
// if (PciDs.CodeType == PCI_CODE_TYPE_EFI_IMAGE) {
// }
//
// If last image, then we're done
//
if (PciDs.Indicator == INDICATOR_LAST) {
goto BailOut;
}
//
// Seek to the start of the next image
//
if (fseek (InFptr, ImageStart + (PciDs.ImageLength * 512), SEEK_SET)) {
fprintf (stdout, "ERROR: Failed to seek to next image\n");
goto BailOut;
}
}
BailOut:
fclose (InFptr);
}
char *
GetMachineTypeStr (
UINT16 MachineType
)
/*++
Routine Description:
GC_TODO: Add function description
Arguments:
MachineType - GC_TODO: add argument description
Returns:
GC_TODO: add return values
--*/
{
int Index;
for (Index = 0; mMachineTypes[Index].Name != NULL; Index++) {
if (mMachineTypes[Index].Value == MachineType) {
return mMachineTypes[Index].Name;
}
}
return "unknown";
}
static
char *
GetSubsystemTypeStr (
UINT16 SubsystemType
)
/*++
Routine Description:
GC_TODO: Add function description
Arguments:
SubsystemType - GC_TODO: add argument description
Returns:
GC_TODO: add return values
--*/
{
int Index;
for (Index = 0; mSubsystemTypes[Index].Name != NULL; Index++) {
if (mSubsystemTypes[Index].Value == SubsystemType) {
return mSubsystemTypes[Index].Name;
}
}
return "unknown";
}