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