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      1 /*	$NetBSD: cyzfirm2h.c,v 1.13 2014/04/01 15:35:41 christos 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/cdefs.h>
     42 __RCSID("$NetBSD: cyzfirm2h.c,v 1.13 2014/04/01 15:35:41 christos Exp $");
     43 
     44 #include <sys/types.h>
     45 #include <sys/mman.h>
     46 #include <err.h>
     47 #include <ctype.h>
     48 #include <fcntl.h>
     49 #include <string.h>
     50 #include <stdio.h>
     51 #include <stdlib.h>
     52 #include <unistd.h>
     53 
     54 static void	usage(void) __dead;
     55 #ifdef DEBUG
     56 #define MAXLINE 8
     57 #else
     58 #define MAXLINE 10
     59 #endif
     60 
     61 int
     62 main(int argc, char *argv[])
     63 {
     64 	off_t in_len;
     65 	u_char *in_ptr;
     66 	FILE *out_file;
     67 	char *include_name, *cp;
     68 	int i;
     69 
     70 	if (argc != 3)
     71 		usage();
     72 
     73 	i = open(argv[1], O_RDONLY, 0644);
     74 	if (i < 0)
     75 		err(1, "unable to open %s", argv[1]);
     76 
     77 	out_file = fopen(argv[2], "w+");
     78 	if (out_file == NULL)
     79 		err(1, "unable to create %s", argv[2]);
     80 
     81 	/*
     82 	 * Create the string used in the header file for multiple
     83 	 * inclusion protection.
     84 	 */
     85 	include_name = strdup(argv[2]);
     86 	if (include_name == NULL)
     87 		err(1, "unable to allocate include name");
     88 
     89 	for (cp = include_name; *cp != '\0'; cp++) {
     90 		if (isalpha((unsigned char)*cp))
     91 			*cp = toupper((unsigned char)*cp);
     92 		else if (*cp == '.')
     93 			*cp = '_';
     94 	}
     95 
     96 	in_len = lseek(i, 0, SEEK_END);
     97 	if (in_len == (off_t) -1)
     98 		err(1, "unable to determine length of input file");
     99 
    100 	in_ptr = mmap(NULL, in_len, PROT_READ, MAP_FILE|MAP_SHARED,
    101 	    i, (off_t) 0);
    102 	if (in_ptr == MAP_FAILED)
    103 		err(1, "unable to mmap input file");
    104 	(void) close(i);
    105 
    106 	fprintf(out_file, "/*\t$""NetBSD""$\t*/\n\n");
    107 	fprintf(out_file,
    108 	    "/*\n"
    109 	    " * Firmware for Cyclades Z series multiport serial boards.\n"
    110 	    " * Automatically generated from:\n"
    111 	    " *\n"
    112 	    " *\t%s\n"
    113 	    " */\n\n", argv[1]);
    114 	fprintf(out_file, "#ifndef _%s_\n", include_name);
    115 	fprintf(out_file, "#define\t_%s_\n\n", include_name);
    116 
    117 	fprintf(out_file, "static const uint8_t cycladesz_firmware[] = {\n");
    118 
    119 	i = 0;
    120 	while (in_len != 0) {
    121 		if (i == 0)
    122 			fprintf(out_file, "\t");
    123 		if (*in_ptr == '@' && in_len > 4 &&
    124 		    memcmp(in_ptr, "@(#)", 4) == 0)
    125 			fprintf(out_file, "0x%02x,", '_');
    126 		else
    127 			fprintf(out_file, "0x%02x,", *in_ptr);
    128 		in_ptr++;
    129 		in_len--;
    130 		i++;
    131 		if (i == MAXLINE) {
    132 #ifdef DEBUG
    133 			size_t j;
    134 			fprintf(out_file, "\t/* ");
    135 			for (j = 0; j < 8; j++) {
    136 				unsigned char c = (in_ptr - 8)[j];
    137 				fputc(isprint(c) ? c : '.', out_file);
    138 			}
    139 			fprintf(out_file, " */");
    140 #endif
    141 			fprintf(out_file, "\n");
    142 			i = 0;
    143 		} else if (in_len != 0) {
    144 			fprintf(out_file, " ");
    145 		}
    146 	}
    147 	fprintf(out_file, "\n};\n\n");
    148 
    149 	fprintf(out_file, "#endif /* _%s_ */\n", include_name);
    150 	return 0;
    151 }
    152 
    153 __dead static void
    154 usage(void)
    155 {
    156 
    157 	fprintf(stderr, "usage: %s infile outfile\n", getprogname());
    158 	exit(1);
    159 }
    160