drivers/atm/fore200e_mkfirm.c

   1 /*
   2   $Id: fore200e_mkfirm.c,v 1.1 2000/02/21 16:04:32 davem Exp $
   3
   4   mkfirm.c: generates a C readable file from a binary firmware image
   5
   6   Christophe Lizzi (lizzi@{csti.fr, cnam.fr}), June 1999.
   7
   8   This software may be used and distributed according to the terms
   9   of the GNU General Public License, incorporated herein by reference.
  10 */
  11
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <sys/types.h>
  15 #include <time.h>
  16
  17 char* default_basename = "pca200e"; /* was initially written for the PCA-200E firmware */
  18 char* default_infname  = "<stdin>";
  19 char* default_outfname = "<stdout>";
  20
  21 char* progname;
  22 int   verbose  = 0;
  23 int   inkernel = 0;
  24
  25
  26 void usage(void)
  27 {
  28     fprintf(stderr,
  29             "%s: [-v] [-k] [-b basename ] [-i firmware.bin] [-o firmware.c]\n",
  30             progname);
  31     exit(-1);
  32 }
  33
  34
  35 int main(int argc, char** argv)
  36 {
  37     time_t   now;
  38     char*    infname  = NULL;
  39     char*    outfname = NULL;
  40     char*    basename = NULL;
  41     FILE*    infile;
  42     FILE*    outfile;
  43     unsigned firmsize;
  44     int      c;
  45
  46     progname = *(argv++);
  47
  48     while (argc > 1) {
  49         if ((*argv)[0] == '-') {
  50             switch ((*argv)[1]) {
  51             case 'i':
  52                 if (argc-- < 3)
  53                     usage();
  54                 infname = *(++argv);
  55                 break;
  56             case 'o':
  57                 if (argc-- < 3)
  58                     usage();
  59                 outfname = *(++argv);
  60                 break;
  61             case 'b':
  62                 if (argc-- < 3)
  63                     usage();
  64                 basename = *(++argv);
  65                 break;
  66             case 'v':
  67                 verbose = 1;
  68                 break;
  69             case 'k':
  70                 inkernel = 1;
  71                 break;
  72             default:
  73                 usage();
  74             }
  75         }
  76         else {
  77             usage();
  78         }
  79         argc--;
  80         argv++;
  81     }
  82
  83     if (infname != NULL) {
  84         infile = fopen(infname, "r");
  85         if (infile == NULL) {
  86             fprintf(stderr, "%s: can't open %s for reading\n",
  87                     progname, infname);
  88             exit(-2);
  89         }
  90     }
  91     else {
  92         infile = stdin;
  93         infname = default_infname;
  94     }
  95
  96     if (outfname) {
  97         outfile = fopen(outfname, "w");
  98         if (outfile == NULL) {
  99             fprintf(stderr, "%s: can't open %s for writing\n",
 100                     progname, outfname);
 101             exit(-3);
 102         }
 103     }
 104     else {
 105         outfile = stdout;
 106         outfname = default_outfname;
 107     }
 108
 109     if (basename == NULL)
 110         basename = default_basename;
 111
 112     if (verbose) {
 113         fprintf(stderr, "%s: input file = %s\n", progname, infname );
 114         fprintf(stderr, "%s: output file = %s\n", progname, outfname );
 115         fprintf(stderr, "%s: firmware basename = %s\n", progname, basename );
 116     }
 117
 118     time(&now);
 119     fprintf(outfile, "/*\n  generated by %s from %s on %s"
 120             "  DO NOT EDIT!\n*/\n\n",
 121             progname, infname, ctime(&now));
 122
 123     if (inkernel)
 124         fprintf(outfile, "#include <linux/init.h>\n\n" );
 125
 126     /* XXX force 32 bit alignment? */
 127     fprintf(outfile, "const unsigned char%s %s_data[] = {\n",
 128             inkernel ? " __initdata" : "", basename );
 129
 130     c = getc(infile);
 131     fprintf(outfile,"\t0x%02x", c);
 132     firmsize = 1;
 133
 134     while ((c = getc(infile)) >= 0) {
 135
 136         if (firmsize++ % 8)
 137             fprintf(outfile,", 0x%02x", c);
 138         else
 139             fprintf(outfile,",\n\t0x%02x", c);
 140     }
 141
 142     fprintf(outfile, "\n};\n\n");
 143
 144     fprintf(outfile, "const unsigned int%s %s_size = %u;\n",
 145             inkernel ? " __initdata" : "", basename, firmsize );
 146
 147     if (infile != stdin)
 148         fclose(infile);
 149     if (outfile != stdout)
 150         fclose(outfile);
 151
 152     if(verbose)
 153         fprintf(stderr, "%s: firmware size = %u\n", progname, firmsize);
 154
 155     exit(0);
 156 }