drivers/atm/fore200e_mkfirm.c

   1 /*
   2   mkfirm.c: generates a C readable file from a binary firmware image
   3
   4   Christophe Lizzi (lizzi@{csti.fr, cnam.fr}), June 1999.
   5
   6   This software may be used and distributed according to the terms
   7   of the GNU General Public License, incorporated herein by reference.
   8 */
   9
  10 #include <stdio.h>
  11 #include <stdlib.h>
  12 #include <sys/types.h>
  13 #include <time.h>
  14
  15 char* default_basename = "pca200e"; /* was initially written for the PCA-200E firmware */
  16 char* default_infname  = "<stdin>";
  17 char* default_outfname = "<stdout>";
  18
  19 char* progname;
  20 int   verbose  = 0;
  21 int   inkernel = 0;
  22
  23
  24 void usage(void)
  25 {
  26     fprintf(stderr,
  27             "%s: [-v] [-k] [-b basename ] [-i firmware.bin] [-o firmware.c]\n",
  28             progname);
  29     exit(-1);
  30 }
  31
  32
  33 int main(int argc, char** argv)
  34 {
  35     time_t   now;
  36     char*    infname  = NULL;
  37     char*    outfname = NULL;
  38     char*    basename = NULL;
  39     FILE*    infile;
  40     FILE*    outfile;
  41     unsigned firmsize;
  42     int      c;
  43
  44     progname = *(argv++);
  45
  46     while (argc > 1) {
  47         if ((*argv)[0] == '-') {
  48             switch ((*argv)[1]) {
  49             case 'i':
  50                 if (argc-- < 3)
  51                     usage();
  52                 infname = *(++argv);
  53                 break;
  54             case 'o':
  55                 if (argc-- < 3)
  56                     usage();
  57                 outfname = *(++argv);
  58                 break;
  59             case 'b':
  60                 if (argc-- < 3)
  61                     usage();
  62                 basename = *(++argv);
  63                 break;
  64             case 'v':
  65                 verbose = 1;
  66                 break;
  67             case 'k':
  68                 inkernel = 1;
  69                 break;
  70             default:
  71                 usage();
  72             }
  73         }
  74         else {
  75             usage();
  76         }
  77         argc--;
  78         argv++;
  79     }
  80
  81     if (infname != NULL) {
  82         infile = fopen(infname, "r");
  83         if (infile == NULL) {
  84             fprintf(stderr, "%s: can't open %s for reading\n",
  85                     progname, infname);
  86             exit(-2);
  87         }
  88     }
  89     else {
  90         infile = stdin;
  91         infname = default_infname;
  92     }
  93
  94     if (outfname) {
  95         outfile = fopen(outfname, "w");
  96         if (outfile == NULL) {
  97             fprintf(stderr, "%s: can't open %s for writing\n",
  98                     progname, outfname);
  99             exit(-3);
 100         }
 101     }
 102     else {
 103         outfile = stdout;
 104         outfname = default_outfname;
 105     }
 106
 107     if (basename == NULL)
 108         basename = default_basename;
 109
 110     if (verbose) {
 111         fprintf(stderr, "%s: input file = %s\n", progname, infname );
 112         fprintf(stderr, "%s: output file = %s\n", progname, outfname );
 113         fprintf(stderr, "%s: firmware basename = %s\n", progname, basename );
 114     }
 115
 116     time(&now);
 117     fprintf(outfile, "/*\n  generated by %s from %s on %s"
 118             "  DO NOT EDIT!\n*/\n\n",
 119             progname, infname, ctime(&now));
 120
 121     if (inkernel)
 122         fprintf(outfile, "#include <linux/init.h>\n\n" );
 123
 124     /* XXX force 32 bit alignment? */
 125     fprintf(outfile, "const unsigned char%s %s_data[] = {\n",
 126             inkernel ? " __initdata" : "", basename );
 127
 128     c = getc(infile);
 129     fprintf(outfile,"\t0x%02x", c);
 130     firmsize = 1;
 131
 132     while ((c = getc(infile)) >= 0) {
 133
 134         if (firmsize++ % 8)
 135             fprintf(outfile,", 0x%02x", c);
 136         else
 137             fprintf(outfile,",\n\t0x%02x", c);
 138     }
 139
 140     fprintf(outfile, "\n};\n\n");
 141
 142     fprintf(outfile, "const unsigned int%s %s_size = %u;\n",
 143             inkernel ? " __initdata" : "", basename, firmsize );
 144
 145     if (infile != stdin)
 146         fclose(infile);
 147     if (outfile != stdout)
 148         fclose(outfile);
 149
 150     if(verbose)
 151         fprintf(stderr, "%s: firmware size = %u\n", progname, firmsize);
 152
 153     exit(0);
 154 }