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Annotation of sys/dev/microcode/cyclades/cyzfirm2h.c, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: cyzfirm2h.c,v 1.2 2002/01/23 01:14:26 ericj Exp $     */
                      2: /*     $NetBSD: cyzfirm2h.c,v 1.1 2000/05/17 17:58:10 thorpej Exp $    */
                      3:
                      4: /*-
                      5:  * Copyright (c) 2000 Zembu Labs, Inc.
                      6:  * All rights reserved.
                      7:  *
                      8:  * Author: Jason R. Thorpe <thorpej@zembu.com>
                      9:  *
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
                     18:  * 3. All advertising materials mentioning features or use of this software
                     19:  *    must display the following acknowledgement:
                     20:  *     This product includes software developed by Zembu Labs, Inc.
                     21:  * 4. Neither the name of Zembu Labs nor the names of its employees may
                     22:  *    be used to endorse or promote products derived from this software
                     23:  *    without specific prior written permission.
                     24:  *
                     25:  * THIS SOFTWARE IS PROVIDED BY ZEMBU LABS, INC. ``AS IS'' AND ANY EXPRESS
                     26:  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAR-
                     27:  * RANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DIS-
                     28:  * CLAIMED.  IN NO EVENT SHALL ZEMBU LABS BE LIABLE FOR ANY DIRECT, INDIRECT,
                     29:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     30:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     31:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     32:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     33:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     34:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     35:  */
                     36:
                     37: /*
                     38:  * This program converts a binary Cyclades-Z firmware file into a
                     39:  * C header file for use in a device driver.
                     40:  */
                     41:
                     42: #include <sys/types.h>
                     43: #include <sys/mman.h>
                     44: #include <err.h>
                     45: #include <ctype.h>
                     46: #include <fcntl.h>
                     47: #include <string.h>
                     48: #include <stdio.h>
                     49: #include <stdlib.h>
                     50: #include <unistd.h>
                     51:
                     52: int    main(int argc, char *argv[]);
                     53: void   usage(void);
                     54:
                     55: int
                     56: main(int argc, char *argv[])
                     57: {
                     58:        off_t in_len;
                     59:        u_char *in_ptr;
                     60:        FILE *out_file;
                     61:        char *include_name, *cp;
                     62:        int i;
                     63:
                     64:        if (argc != 3)
                     65:                usage();
                     66:
                     67:        i = open(argv[1], O_RDONLY, 0644);
                     68:        if (i < 0)
                     69:                err(1, "unable to open %s", argv[1]);
                     70:
                     71:        out_file = fopen(argv[2], "w+");
                     72:        if (out_file == NULL)
                     73:                err(1, "unable to create %s", argv[2]);
                     74:
                     75:        /*
                     76:         * Create the string used in the header file for multiple
                     77:         * inclusion protection.
                     78:         */
                     79:        include_name = strdup(argv[2]);
                     80:        if (include_name == NULL)
                     81:                err(1, "unable to allocate include name");
                     82:
                     83:        for (cp = include_name; *cp != '\0'; cp++) {
                     84:                if (isalpha(*cp))
                     85:                        *cp = toupper(*cp);
                     86:                else if (*cp == '.')
                     87:                        *cp = '_';
                     88:        }
                     89:
                     90:        in_len = lseek(i, 0, SEEK_END);
                     91:        if (in_len == (off_t) -1)
                     92:                err(1, "unable to determine length of input file");
                     93:
                     94:        in_ptr = mmap(NULL, in_len, PROT_READ, MAP_FILE|MAP_SHARED,
                     95:            i, (off_t) 0);
                     96:        if (in_ptr == MAP_FAILED)
                     97:                err(1, "unable to mmap input file");
                     98:        (void) close(i);
                     99:
                    100:        fprintf(out_file, "/*\t$NetBSD: cyzfirm2h.c,v 1.1 2000/05/17 17:58:10 thorpej Exp $\t*/\n\n");
                    101:        fprintf(out_file, "\
                    102: /*
                    103:  * Firmware for Cyclades Z series multiport serial boards.
                    104:  * Automatically generated from:
                    105:  *
                    106:  *     %s
                    107:  */\n\n", argv[1]);
                    108:        fprintf(out_file, "#ifndef _%s_\n", include_name);
                    109:        fprintf(out_file, "#define\t_%s_\n\n", include_name);
                    110:
                    111:        fprintf(out_file, "static const u_int8_t cycladesz_firmware[] = {\n");
                    112:
                    113:        i = 0;
                    114:        while (in_len != 0) {
                    115:                if (i == 0)
                    116:                        fprintf(out_file, "\t");
                    117:                fprintf(out_file, "0x%02x, ", *in_ptr);
                    118:                in_ptr++;
                    119:                in_len--;
                    120:                i++;
                    121:                if (i == 10) {
                    122:                        fprintf(out_file, "\n");
                    123:                        i = 0;
                    124:                }
                    125:        }
                    126:        fprintf(out_file, "\n};\n\n");
                    127:
                    128:        fprintf(out_file, "#endif /* _%s_ */\n", include_name);
                    129: }
                    130:
                    131: void
                    132: usage()
                    133: {
                    134:        extern char *__progname;
                    135:
                    136:        fprintf(stderr, "usage: %s infile outfile\n", __progname);
                    137:        exit(1);
                    138: }