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SVN-Revision: 21808
This commit is contained in:
Florian Fainelli 2010-06-14 21:49:03 +00:00
parent 027c3b3e1d
commit 39fa664f99
4 changed files with 0 additions and 513 deletions
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1
tools/firmware-utils/Makefile
View file

@ -46,7 +46,6 @@ define Host/Compile
$(call cc,wndr3700)
$(call cc,mkdniimg)
$(call cc,mktitanimg)
$(call cc,hcsmakeimage bcmalgo)
endef
define Host/Install

248
tools/firmware-utils/src/bcmalgo.c
View file

@ -1,248 +0,0 @@
#include <stdlib.h>
#include <sys/types.h>
#include <stdio.h>
#include <inttypes.h>
#include <string.h>
#include <getopt.h>
#include <unistd.h>
#include <sys/time.h>
#include <sys/stat.h>
#include "bcmalgo.h"
#define UTIL_VERSION "0.1"
#define ENDIAN_REVERSE_NEEDED
uint32_t reverse_endian32 ( uint32_t data )
{
#ifdef ENDIAN_REVERSE_NEEDED
return 0 | ( data & 0x000000ff ) << 24
| ( data & 0x0000ff00 ) << 8
| ( data & 0x00ff0000 ) >> 8
| ( data & 0xff000000 ) >> 24;
#else
return data;
#endif
}
uint16_t reverse_endian16 ( uint16_t data )
{
#ifdef ENDIAN_REVERSE_NEEDED
return 0 | ( data & 0x00ff ) << 8
| ( data & 0xff00 ) >> 8;
#else
return data;
#endif
}
uint32_t get_buffer_crc ( char* filebuffer,size_t size )
{
long crc=0xffffffffL;
long crcxor = 0xffffffffL;
long num4 = 0xffffffffL;
long num5 = size;
long num6 = 0x4c11db7L;
long num7 = 0x80000000L;
int i;
long j;
for ( i = 0; i < ( num5 ); i++ )
{
long num2 = filebuffer[i];
for ( j = 0x80L; j != 0L; j = j >> 1 )
{
long num3 = crc & num7;
crc = crc << 1;
if ( ( num2 & j ) != 0L )
{
num3 ^= num7;
}
if ( num3 != 0L )
{
crc ^= num6;
}
}
}
crc ^= crcxor;
crc &= num4;
uint8_t b1 = ( uint8_t ) ( ( crc & -16777216L ) >> 0x18 );
uint8_t b2 = ( uint8_t ) ( ( crc & 0xff0000L ) >> 0x10 );
uint8_t b3 = ( uint8_t ) ( ( crc & 0xff00L ) >> 8 );
uint8_t b4 = ( uint8_t ) ( crc & 0xffL );
int32_t crc_result = ( b1 | b2 << 8| b3 << 16| b4 <<24 );
return reverse_endian32 ( crc_result );
}
//Thnx to Vector for the algo.
uint32_t get_file_crc ( char* filename )
{
struct stat buf;
stat ( filename,&buf );
char* filebuffer = malloc ( buf.st_size+10 );
FILE* fd = fopen ( filename,"r" );
fread ( filebuffer, 1, buf.st_size,fd );
fclose ( fd );
uint32_t crc = get_buffer_crc ( filebuffer,buf.st_size );
free ( filebuffer );
return crc;
}
uint16_t get_hcs ( ldr_header_t* hd )
{
uint8_t* head = ( uint8_t* ) hd;
uint8_t hcs_minor;
uint8_t hcs_major;
uint16_t n = 0xffff;
uint16_t m = 0;
int state = 0;
int i,j;
for ( i = 0; i < 0x54; i++ )
{
uint16_t m = head[i];
m = m << 8;
for ( j = 0; j < 8; j++ )
{
if ( ( ( n ^ m ) & 0x8000 ) == 0 )
{
state = 0;
}
else
{
state = 1;
}
n = n << 1;
if ( state )
{
n ^= 0x1021;
}
m = m << 1;
}
n &= 0xffff;
}
n ^= 0xffff;
hcs_major = ( uint8_t ) ( ( n & 0xff00 ) >> 8 );
hcs_minor = ( uint8_t ) ( n & 0xff );
uint16_t hcs = hcs_major <<8 | hcs_minor;
return hcs;
}
ldr_header_t* construct_header ( uint32_t magic, uint16_t rev_maj,uint16_t rev_min, uint32_t build_date, uint32_t filelen, uint32_t ldaddress, const char* filename, uint32_t crc_data )
{
ldr_header_t* hd = malloc ( sizeof ( ldr_header_t ) );
hd->magic=reverse_endian16 ( magic );
hd->control=0; //FixMe: Make use of it once compression is around
hd->rev_min = reverse_endian16 ( rev_min );
hd->rev_maj = reverse_endian16 ( rev_maj );
hd->build_date = reverse_endian32 ( build_date );
hd->filelen = reverse_endian32 ( filelen );
hd->ldaddress = reverse_endian32 ( ldaddress );
printf ( "Creating header for %s...\n", filename );
if ( strlen ( filename ) >63 )
{
printf ( "[!] Filename too long - stripping it to 63 bytes.\n" );
strncpy ( ( char* ) &hd->filename, filename, 63 );
hd->filename[63]=0x00;
}
else
{
strcpy ( ( char* ) &hd->filename, filename );
}
hd->crc=reverse_endian32 ( crc_data );
hd->hcs = reverse_endian16 ( get_hcs ( hd ) );
return hd;
}
static char control_unc[] = "Uncompressed";
static char control_lz[] = "LZRW1/KH";
static char control_mlzo[] = "mini-LZO";
static char control_nrv[] = "NRV2D99 [Bootloader?]";
static char control_nstdlzma[] = "(non-standard) LZMA";
static char control_unk[] = "Unknown";
char* get_control_info ( uint16_t control )
{
control = reverse_endian16 ( control );
switch ( control )
{
case 0:
return control_unc;
break;
case 1:
return control_lz;
break;
case 2:
return control_mlzo;
break;
case 3:
return control_unc;
break;
case 4:
return control_nrv;
break;
case 5:
return control_nstdlzma;
break;
case 6:
return control_unc;
break;
case 7:
return control_unc;
break;
default:
return control_unk;
break;
}
}
int dump_header ( ldr_header_t* hd )
{
printf ( "=== Header Information ===\n" );
printf ( "Header magic:\t0x%04X\n",reverse_endian16 ( hd->magic ) );
printf ( "Control:\t0x%04X (%s)\n",reverse_endian16 ( hd->control ), get_control_info ( hd->control ) );
printf ( "Major rev. :\t0x%04X\n",reverse_endian16 ( hd->rev_maj ) );
printf ( "Minor rev. :\t0x%04X\n",reverse_endian16 ( hd->rev_min ) );
printf ( "File name :\t%s\n", ( char* ) &hd->filename );
printf ( "File length:\t%d bytes\n", reverse_endian32 ( hd->filelen ) );
printf ( "Build time:\t0x%08X //FixMe: print in human-readable form\n", reverse_endian32 ( hd->build_date ) ); //FixMe:
printf ( "HCS:\t\t0x%04X ",reverse_endian16 ( hd->hcs ) );
uint16_t hcs = get_hcs ( hd );
int ret=0;
if ( hcs ==reverse_endian16 ( hd->hcs ) )
{
printf ( "(OK!)\n" );
}
else
{
printf ( "(ERROR! expected 0x%04X)\n",hcs );
ret=1;
}
//printf("HCS:\t0x%02X",reverse_endian32(hd->hcs));
printf ( "Load address:\t0x%08X\n", reverse_endian32 ( hd->ldaddress ) ); //FixMe:
printf ( "HNW:\t\t0x%04X\n",reverse_endian16 ( hd->her_znaet_chto ) ); //Hell knows what
printf ( "CRC:\t\t0x%08X\n",reverse_endian32 ( hd->crc ) );
printf ( "=== Binary Header Dump===\n" );
int i,j;
uint8_t* head = ( uint8_t* ) hd;
for ( i=0;i<=sizeof ( ldr_header_t );i++ )
{
if ( i % 8==0 )
printf ( "\n" );
printf ( "0x%02x ",head[i] );
}
printf ( "\n\n== End Of Header dump ==\n" );
return ret;
}
void print_copyright()
{
printf ( "Part of bcm-utils package ver. " UTIL_VERSION " \n" );
printf ( "Copyright (C) 2009 Andrew 'Necromant' Andrianov\n"
"This is free software, and you are welcome to redistribute it\n"
"under certain conditions. See COPYING for details\n" );
}

83
tools/firmware-utils/src/bcmalgo.h
View file

@ -1,83 +0,0 @@
#ifndef bcmutils_H
#define bcmutils_H
typedef struct
{
uint16_t magic;
uint16_t control;
uint16_t rev_maj;
uint16_t rev_min;
uint32_t build_date;
uint32_t filelen;
uint32_t ldaddress;
char filename[64];
uint16_t hcs;
uint16_t her_znaet_chto; //v dushe ne ebu
uint32_t crc;
} ldr_header_t;
/**
* Reverses endianess of a 32bit int, if the ENDIAN_REVERSE_NEEDED defined at compile-time
* @param data
* @return
*/
uint32_t reverse_endian32 ( uint32_t data );
/**
* Reverses endianess of a 16bit int, if the ENDIAN_REVERSE_NEEDED defined at compile-time
* @param data
* @return
*/
uint16_t reverse_endian16 ( uint16_t data );
/**
* Calculates the strange crc (used by bcm modems) of the file. Thnx fly out to Vector for the algorithm.
* @param filename
* @return
*/
uint32_t get_file_crc ( char* filename );
/**
* Calculates HCS of the header.
* @param hd
* @return
*/
uint16_t get_hcs ( ldr_header_t* hd );
/**
* Constructs the header of the image with the information given It also automagically calculates HCS and writes it there.
* @param magic - magic device bytes
* @param rev_maj - major revision
* @param rev_min - minor revision
* @param build_date - build date (seconds from EPOCH UTC)
* @param filelen - file length in bytes
* @param ldaddress - Load adress
* @param filename - filename
* @param crc_data - the crc of the data
* @return
*/
ldr_header_t* construct_header ( uint32_t magic, uint16_t rev_maj,uint16_t rev_min, uint32_t build_date, uint32_t filelen, uint32_t ldaddress, const char* filename, uint32_t crc_data );
/**
* Dumps header information to stdout.
* @param hd
*/
int dump_header ( ldr_header_t* hd );
/**
* Returns a null terminated string describing what the control number meens
* DO NOT FREE IT!!!
* @param control
* @return
*/
char* get_control_info ( uint16_t control );
#endif
/**
* Calculates bcmCRC of a data buffer.
* @param filebuffer - pointer to buffer
* @param size - buffer size
* @return
*/
uint32_t get_buffer_crc ( char* filebuffer, size_t size );

181
tools/firmware-utils/src/hcsmakeimage.c
View file

@ -1,181 +0,0 @@
#include <stdlib.h>
#include <sys/types.h>
#include <stdio.h>
#include <inttypes.h>
#include <string.h>
#include <getopt.h>
#include <unistd.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <libgen.h>
#include "bcmalgo.h"
int flag_print_version;
int flag_print_help;
int flag_compress;
uint16_t sa2100_magic = 0x2100;
uint16_t sa3349_magic = 0x3349;
uint32_t default_date = 0x00000000; //A long time ago in a galaxy far far away....
uint32_t default_load_address = 0x80010000; //The default load_address for the firmware image
static void print_help ( const char* ename )
{
printf ( "Firmware image packer and calculator for broadcom-based modems.\n" );
printf ( "Part of bcm-utils package.\n" );
printf ( "(c) 2009 Necromant (http://necromant.ath.cx). Thanks to Luke-jr for his initial work.\n" );
printf ( "usage: %s [options]\n", ename );
printf ( "Valid options are:\n" );
printf ( "--magic_bytes=value \t- specify magic bytes at the beginning of the image. default - 3349\n" );
printf ( "\t\t\t these can be sa2100 (for DPC2100 modem),\n\t\t\t sa3349 (haxorware guys use this one for some reason),\n\t\t\t or a custom hex value e.g. 0xFFFF\n" );
printf ( "--compress \t\t - Make use of LZMA (weird!) compression (Doesn't work yet).\n" );
printf ( "--rev_maj=value\t\t - major revision number. default 0\n" );
printf ( "--rev_min=value\t\t - minor revision number default 0\n" );
printf ( "--filename=value\t - use this filename in header instead of default (input filename)\n" );
printf ( "--ldaddress=value\t - hex value of the target load address. defaults to 0x80010000\n" );
printf ( "--input_file=value\t - What file are we packing?\n" );
printf ( "--output_file=value\t - What file shall we write? (default: image.bin)\n" );
#ifdef _HAX0RSTYLE
printf ( "--credz\t - Give some credz!\n" );
#endif
printf ( "\n" );
}
int main ( int argc, char** argv )
{
if ( argc<2 )
{
print_help ( argv[0] );
}
static struct option long_options[] =
{
{"magic_bytes", required_argument, 0, 'm'},
{"rev_maj", required_argument, 0, 'j'},
{"rev_min", required_argument, 0, 'n'},
{"ldaddress", required_argument, 0, 'l'},
{"filename", required_argument, 0, 'f'},
{"input_file", required_argument, 0, 'i'},
{"output_file", required_argument, 0, 'o'},
{"compress", no_argument, &flag_compress, 'c'},
{"version", no_argument, &flag_print_version, 'v'},
{"help", no_argument, &flag_print_help, 'h'},
{0, 0, 0, 0}
};
int option_index = 0;
int opt_result=0;
char* filename=NULL;
char* input=NULL;
char* magic=NULL;
char* major=NULL;
char* minor=NULL;
char* ldaddr=NULL;
char* output=NULL;
while ( opt_result>=0 )
{
opt_result = getopt_long ( argc, argv, "m:j:n:f:i:o:vh", long_options, &option_index );
switch ( opt_result )
{
case 0:
printf ( "o!\n" );
break;
case 'h':
print_help ( argv[0] );
break;
case 'l':
ldaddr=optarg;
break;
case 'f':
filename=optarg;
break;
case 'i':
input=optarg;
break;
case 'o':
output=optarg;
break;
case 'm':
magic=optarg;
break;
case 'j':
major=optarg;
break;
case 'n':
minor=optarg;
break;
}
}
if ( input==NULL )
{
printf ( "Telepaths are still on holidays. I guess you should tell me what file should I process.\n\n" );
exit ( 1 );
}
if ( access ( input,R_OK ) !=0 )
{
printf ( "I cannot access the file %s. Is it there? Am I allowed?\n\n", input );
exit ( 1 );
}
uint32_t magicnum=sa2100_magic;
if ( magic )
{
if ( strcmp ( magic,"sa2100" ) ==0 ) magicnum=sa2100_magic; else
if ( strcmp ( magic,"sa3349" ) ==0 ) magicnum=sa3349_magic; else
{
sscanf ( magic, "0x%04X", &magicnum );
}
}
unsigned int majrev=0;
if ( major )
{
sscanf ( major, "%d", &majrev );
}
unsigned int minrev=0;
if ( minor )
{
sscanf ( minor, "%d", &minrev );
}
uint32_t ldaddress = default_load_address;
if ( ldaddr )
{
sscanf ( ldaddr, "0x%08X", &ldaddress );
}
char* dupe = strdup(input);
char* fname = basename ( dupe );
if ( filename )
{
fname = filename;
}
struct timeval tm;
gettimeofday ( &tm,NULL );
struct stat buf;
stat ( input,&buf );
ldr_header_t* head = construct_header ( magicnum, (uint16_t) majrev, (uint16_t) minrev, ( uint32_t ) tm.tv_sec, ( uint32_t ) buf.st_size, ldaddress, fname, get_file_crc ( input ) );
free(dupe);
//uint32_t magic, uint16_t rev_maj,uint16_t rev_min, uint32_t build_date, uint32_t filelen, uint32_t ldaddress, const char* filename, uint32_t crc
//FILE* fd = fopen ("/tftpboot/haxorware11rev32.bin","r");
//fread(head,sizeof(ldr_header_t),1,fd);
char* filebuffer = malloc ( buf.st_size+10 );
FILE* fd = fopen ( input,"r" );
fread ( filebuffer, 1, buf.st_size,fd );
if (!output)
{
output = malloc(strlen(input+5));
strcpy(output,input);
strcat(output,".bin");
}
dump_header ( head );
FILE* fd_out = fopen ( output,"w+" );
if (!fd_out)
{
fprintf(stderr, "Failed to open output file: %s\n", output);
exit(1);
}
fwrite ( head,1,sizeof ( ldr_header_t ),fd_out );
fwrite ( filebuffer,1,buf.st_size,fd_out );
printf("Firmware image %s is ready\n", output);
return 0;
}