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cyzfirm2h.c revision 1.1 
      1 /*	$NetBSD: cyzfirm2h.c,v 1.1 2000/05/17 17:58:10 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 Zembu Labs, Inc.
      5  * All rights reserved.
      6  *
      7  * Author: Jason R. Thorpe <thorpej (at) 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/types.h>
     42 #include <sys/mman.h>
     43 #include <err.h>
     44 #include <ctype.h>
     45 #include <fcntl.h>
     46 #include <string.h>
     47 #include <stdio.h>
     48 #include <unistd.h>
     49 
     50 int	main(int argc, char *argv[]);
     51 void	usage(void);
     52 
     53 int
     54 main(int argc, char *argv[])
     55 {
     56 	off_t in_len;
     57 	u_char *in_ptr;
     58 	FILE *out_file;
     59 	char *include_name, *cp;
     60 	int i;
     61 
     62 	if (argc != 3)
     63 		usage();
     64 
     65 	i = open(argv[1], O_RDONLY, 0644);
     66 	if (i < 0)
     67 		err(1, "unable to open %s", argv[1]);
     68 
     69 	out_file = fopen(argv[2], "w+");
     70 	if (out_file == NULL)
     71 		err(1, "unable to create %s", argv[2]);
     72 
     73 	/*
     74 	 * Create the string used in the header file for multiple
     75 	 * inclusion protection.
     76 	 */
     77 	include_name = strdup(argv[2]);
     78 	if (include_name == NULL)
     79 		err(1, "unable to allocate include name");
     80 
     81 	for (cp = include_name; *cp != '\0'; cp++) {
     82 		if (isalpha(*cp))
     83 			*cp = toupper(*cp);
     84 		else if (*cp == '.')
     85 			*cp = '_';
     86 	}
     87 
     88 	in_len = lseek(i, 0, SEEK_END);
     89 	if (in_len == (off_t) -1)
     90 		err(1, "unable to determine length of input file");
     91 
     92 	in_ptr = mmap(NULL, in_len, PROT_READ, MAP_FILE|MAP_SHARED,
     93 	    i, (off_t) 0);
     94 	if (in_ptr == MAP_FAILED)
     95 		err(1, "unable to mmap input file");
     96 	(void) close(i);
     97 
     98 	fprintf(out_file, "/*\t$NetBSD: cyzfirm2h.c,v 1.1 2000/05/17 17:58:10 thorpej Exp $\t*/\n\n");
     99 	fprintf(out_file, "\
    100 /*
    101  * Firmware for Cyclades Z series multiport serial boards.
    102  * Automatically generated from:
    103  *
    104  *	%s
    105  */\n\n", argv[1]);
    106 	fprintf(out_file, "#ifndef _%s_\n", include_name);
    107 	fprintf(out_file, "#define\t_%s_\n\n", include_name);
    108 
    109 	fprintf(out_file, "static const u_int8_t cycladesz_firmware[] = {\n");
    110 
    111 	i = 0;
    112 	while (in_len != 0) {
    113 		if (i == 0)
    114 			fprintf(out_file, "\t");
    115 		fprintf(out_file, "0x%02x, ", *in_ptr);
    116 		in_ptr++;
    117 		in_len--;
    118 		i++;
    119 		if (i == 10) {
    120 			fprintf(out_file, "\n");
    121 			i = 0;
    122 		}
    123 	}
    124 	fprintf(out_file, "\n};\n\n");
    125 
    126 	fprintf(out_file, "#endif /* _%s_ */\n", include_name);
    127 }
    128 
    129 void
    130 usage()
    131 {
    132 	extern const char *__progname;
    133 
    134 	fprintf(stderr, "usage: %s infile outfile\n", __progname);
    135 	exit(1);
    136 }
    137