sys/dev/microcode/cyclades-z/cyzfirm2h.c

   1 /*      $NetBSD: cyzfirm2h.c,v 1.5 2005/12/11 12:22:18 christos Exp $   */
   2
   3 /*-
   4  * Copyright (c) 2000 Zembu Labs, Inc.
   5  * All rights reserved.
   6  *
   7  * Author: Jason R. Thorpe <thorpej@zembu.com>
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. All advertising materials mentioning features or use of this software
  18  *    must display the following acknowledgement:
  19  *      This product includes software developed by Zembu Labs, Inc.
  20  * 4. Neither the name of Zembu Labs nor the names of its employees may
  21  *    be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY ZEMBU LABS, INC. ``AS IS'' AND ANY EXPRESS
  25  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAR-
  26  * RANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DIS-
  27  * CLAIMED.  IN NO EVENT SHALL ZEMBU LABS BE LIABLE FOR ANY DIRECT, INDIRECT,
  28  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  29  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  30  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  31  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  32  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  33  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34  */
  35
  36 /*
  37  * This program converts a binary Cyclades-Z firmware file into a
  38  * C header file for use in a device driver.
  39  */
  40
  41 #include <sys/cdefs.h>
  42 __RCSID("$NetBSD: cyzfirm2h.c,v 1.5 2005/12/11 12:22:18 christos Exp $");
  43
  44 #include <sys/types.h>
  45 #include <sys/mman.h>
  46 #include <err.h>
  47 #include <ctype.h>
  48 #include <fcntl.h>
  49 #include <string.h>
  50 #include <stdio.h>
  51 #include <stdlib.h>
  52 #include <unistd.h>
  53
  54 int     main(int argc, char *argv[]);
  55 void    usage(void);
  56
  57 int
  58 main(int argc, char *argv[])
  59 {
  60         off_t in_len;
  61         u_char *in_ptr;
  62         FILE *out_file;
  63         char *include_name, *cp;
  64         int i;
  65
  66         if (argc != 3)
  67                 usage();
  68
  69         i = open(argv[1], O_RDONLY, 0644);
  70         if (i < 0)
  71                 err(1, "unable to open %s", argv[1]);
  72
  73         out_file = fopen(argv[2], "w+");
  74         if (out_file == NULL)
  75                 err(1, "unable to create %s", argv[2]);
  76
  77         /*
  78          * Create the string used in the header file for multiple
  79          * inclusion protection.
  80          */
  81         include_name = strdup(argv[2]);
  82         if (include_name == NULL)
  83                 err(1, "unable to allocate include name");
  84
  85         for (cp = include_name; *cp != '\0'; cp++) {
  86                 if (isalpha(*cp))
  87                         *cp = toupper(*cp);
  88                 else if (*cp == '.')
  89                         *cp = '_';
  90         }
  91
  92         in_len = lseek(i, 0, SEEK_END);
  93         if (in_len == (off_t) -1)
  94                 err(1, "unable to determine length of input file");
  95
  96         in_ptr = mmap(NULL, in_len, PROT_READ, MAP_FILE|MAP_SHARED,
  97             i, (off_t) 0);
  98         if (in_ptr == MAP_FAILED)
  99                 err(1, "unable to mmap input file");
 100         (void) close(i);
 101
 102         fprintf(out_file, "/*\t$NetBSD: cyzfirm2h.c,v 1.5 2005/12/11 12:22:18 christos Exp $\t*/\n\n");
 103         fprintf(out_file, "\
 104 /*
 105  * Firmware for Cyclades Z series multiport serial boards.
 106  * Automatically generated from:
 107  *
 108  *      %s
 109  */\n\n", argv[1]);
 110         fprintf(out_file, "#ifndef _%s_\n", include_name);
 111         fprintf(out_file, "#define\t_%s_\n\n", include_name);
 112
 113         fprintf(out_file, "static const uint8_t cycladesz_firmware[] = {\n");
 114
 115         i = 0;
 116         while (in_len != 0) {
 117                 if (i == 0)
 118                         fprintf(out_file, "\t");
 119                 fprintf(out_file, "0x%02x, ", *in_ptr);
 120                 in_ptr++;
 121                 in_len--;
 122                 i++;
 123                 if (i == 10) {
 124                         fprintf(out_file, "\n");
 125                         i = 0;
 126                 }
 127         }
 128         fprintf(out_file, "\n};\n\n");
 129
 130         fprintf(out_file, "#endif /* _%s_ */\n", include_name);
 131 }
 132
 133 void
 134 usage(void)
 135 {
 136
 137         fprintf(stderr, "usage: %s infile outfile\n", getprogname());
 138         exit(1);
 139 }