tools/firmware-utils/src/hcsmakeimage.c

   1 #include <stdlib.h>
   2 #include <sys/types.h>
   3 #include <stdio.h>
   4 #include <inttypes.h>
   5 #include <string.h>
   6 #include <getopt.h>
   7 #include <unistd.h>
   8 #include <sys/time.h>
   9 #include <sys/stat.h>
  10 #include <libgen.h>
  11 #include "bcmalgo.h"
  12
  13
  14 int flag_print_version;
  15 int flag_print_help;
  16 int flag_compress;
  17
  18 uint16_t sa2100_magic  = 0x2100;
  19 uint16_t sa3349_magic  = 0x3349;
  20 uint32_t default_date = 0x00000000; //A long time ago in a galaxy far far away....
  21 uint32_t default_load_address = 0x80010000; //The default load_address for the firmware image
  22
  23 static void print_help ( const char* ename )
  24 {
  25         printf ( "Firmware image packer and calculator for broadcom-based modems.\n" );
  26         printf ( "Part of bcm-utils package.\n" );
  27         printf ( "(c) 2009 Necromant (http://necromant.ath.cx). Thanks to Luke-jr for his initial work.\n" );
  28         printf ( "usage: %s [options]\n", ename );
  29         printf ( "Valid options are:\n" );
  30         printf ( "--magic_bytes=value \t- specify magic bytes at the beginning of the image. default - 3349\n" );
  31         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" );
  32         printf ( "--compress \t\t - Make use of LZMA (weird!) compression (Doesn't work yet).\n" );
  33         printf ( "--rev_maj=value\t\t - major revision number. default 0\n" );
  34         printf ( "--rev_min=value\t\t - minor revision number default 0\n" );
  35         printf ( "--filename=value\t - use this filename in header instead of default (input filename)\n" );
  36         printf ( "--ldaddress=value\t - hex value of the target load address. defaults to 0x80010000\n" );
  37         printf ( "--input_file=value\t - What file are we packing?\n" );
  38         printf ( "--output_file=value\t - What file shall we write? (default: image.bin)\n" );
  39 #ifdef _HAX0RSTYLE
  40         printf ( "--credz\t - Give some credz!\n" );
  41 #endif
  42         printf ( "\n" );
  43 }
  44
  45
  46 int main ( int argc, char** argv )
  47 {
  48         if ( argc<2 )
  49         {
  50                 print_help ( argv[0] );
  51         }
  52
  53         static struct option long_options[] =
  54         {
  55                 {"magic_bytes",          required_argument,   0,        'm'},
  56                 {"rev_maj",        required_argument,   0,      'j'},
  57                 {"rev_min",       required_argument,   0,     'n'},
  58                 {"ldaddress",       required_argument,   0,     'l'},
  59                 {"filename",       required_argument,   0,     'f'},
  60                 {"input_file",       required_argument,   0,     'i'},
  61                 {"output_file",       required_argument,   0,     'o'},
  62                 {"compress",     no_argument,       &flag_compress,    'c'},
  63                 {"version",     no_argument,       &flag_print_version,    'v'},
  64                 {"help",        no_argument,       &flag_print_help,    'h'},
  65                 {0, 0, 0, 0}
  66         };
  67         int option_index = 0;
  68         int opt_result=0;
  69         char* filename=NULL;
  70         char* input=NULL;
  71         char* magic=NULL;
  72         char* major=NULL;
  73         char* minor=NULL;
  74         char* ldaddr=NULL;
  75         char* output=NULL;
  76
  77         while ( opt_result>=0 )
  78         {
  79                 opt_result = getopt_long ( argc, argv, "m:j:n:f:i:o:vh", long_options, &option_index );
  80                 switch ( opt_result )
  81                 {
  82                         case 0:
  83                                 printf ( "o!\n" );
  84                                 break;
  85                         case 'h':
  86                                 print_help ( argv[0] );
  87                                 break;
  88                         case 'l':
  89                                 ldaddr=optarg;
  90                                 break;
  91                         case 'f':
  92                                 filename=optarg;
  93                                 break;
  94                         case 'i':
  95                                 input=optarg;
  96                                 break;
  97                         case 'o':
  98                                 output=optarg;
  99                                 break;
 100                         case 'm':
 101                                 magic=optarg;
 102                                 break;
 103                         case 'j':
 104                                 major=optarg;
 105                                 break;
 106                         case 'n':
 107                                 minor=optarg;
 108                                 break;
 109                 }
 110         }
 111         if ( input==NULL )
 112         {
 113                 printf ( "Telepaths are still on holidays. I guess you should tell me what file should I process.\n\n" );
 114                 exit ( 1 );
 115         }
 116         if ( access ( input,R_OK ) !=0 )
 117         {
 118                 printf ( "I cannot access the file %s. Is it there? Am I allowed?\n\n", input );
 119                 exit ( 1 );
 120         }
 121         uint32_t magicnum=sa2100_magic;
 122
 123         if ( magic )
 124         {
 125                 if ( strcmp ( magic,"sa2100" ) ==0 ) magicnum=sa2100_magic; else
 126                                 if ( strcmp ( magic,"sa3349" ) ==0 ) magicnum=sa3349_magic; else
 127                         {
 128                                 sscanf ( magic, "0x%04X", &magicnum );
 129                         }
 130         }
 131         unsigned int majrev=0;
 132         if ( major )
 133         {
 134                 sscanf ( major, "%d", &majrev );
 135         }
 136         unsigned int minrev=0;
 137         if ( minor )
 138         {
 139                 sscanf ( minor, "%d", &minrev );
 140         }
 141         uint32_t ldaddress = default_load_address;
 142         if ( ldaddr )
 143         {
 144                 sscanf ( ldaddr, "0x%08X", &ldaddress );
 145         }
 146         char* dupe = strdup(input);
 147         char* fname = basename ( dupe );
 148         if ( filename )
 149         {
 150                 fname = filename;
 151         }
 152         struct timeval tm;
 153         gettimeofday ( &tm,NULL );
 154         struct stat buf;
 155         stat ( input,&buf );
 156         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 ) );
 157         free(dupe);
 158         //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
 159         //FILE* fd = fopen ("/tftpboot/haxorware11rev32.bin","r");
 160         //fread(head,sizeof(ldr_header_t),1,fd);
 161         char* filebuffer = malloc ( buf.st_size+10 );
 162         FILE* fd = fopen ( input,"r" );
 163         fread ( filebuffer, 1, buf.st_size,fd );
 164         if (!output)
 165                 {
 166                 output = malloc(strlen(input+5));
 167                 strcpy(output,input);
 168                 strcat(output,".bin");
 169                 }
 170         dump_header ( head );
 171         FILE* fd_out = fopen ( output,"w+" );
 172         if (!fd_out)
 173                 {
 174                 fprintf(stderr, "Failed to open output file: %s\n", output);
 175                 exit(1);
 176                 }
 177         fwrite ( head,1,sizeof ( ldr_header_t ),fd_out );
 178         fwrite ( filebuffer,1,buf.st_size,fd_out );
 179         printf("Firmware image %s is ready\n", output);
 180         return 0;
 181 }