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