1 /*        $NetBSD: inckern.c,v 1.2 2008/04/28 20:23:18 martin Exp $   */
2 
3 /*-
4  * Copyright (c) 2004 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by UCHIYAMA Yasushi.
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  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <stdio.h>
33 #include <unistd.h>
34 
35 enum { TMPBUF_SIZE = 0x2000 };
36 
37 int
main(int argc,char * argv[])38 main(int argc, char *argv[])
39 {
40           unsigned char buf[TMPBUF_SIZE];
41           FILE *ifd, *ofd;
42           int err, i, n, total, nulldata;
43 
44           nulldata = 0;
45           err = 1;
46           total = 0;
47           ifd = stdin;
48           ofd = stdout;
49           while ((i = getopt(argc, argv, "d:i:o:")) != -1) {
50                     switch (i) {
51                     case 'd': /* Generate dummy file */
52                               if ((optarg == 0) || (ifd != stdin))
53                                         goto bye;
54                               total = strtoul(optarg, 0, 0);
55                               nulldata = 1;
56                               break;
57                     case 'i': /* Specify input file */
58                               if ((optarg == 0) || (total != 0) ||
59                                   (ifd = fopen(optarg, "r")) == 0)
60                                         goto bye;
61                               break;
62                     case 'o': /* Specify output file */
63                               if ((optarg == 0) || (ofd = fopen(optarg, "w")) == 0)
64                                         goto bye;
65                               break;
66                     }
67           }
68 
69           fprintf(ofd, "#include <lib/libsa/stand.h>\n");
70           fprintf(ofd, "#include <lib/libkern/libkern.h>\n");
71           fprintf(ofd, "#include \"local.h\"\n");
72           fprintf(ofd, "uint8_t kernel_binary[");
73           if (nulldata) {
74                     fprintf(ofd, "%d];\n", total);
75                     fprintf(ofd, "int kernel_binary_size = %d;\n", total);
76           } else {
77                     fprintf(ofd, "] = {\n\t");
78                     while ((n = fread(buf, 1, TMPBUF_SIZE, ifd)) > 0) {
79                               for (i = 0; i < n; i++) {
80                                         fprintf(ofd, "0x%02x, ", buf[i]);
81                                         if (((i + 1) & 0x7) == 0)
82                                                   fprintf(ofd, "\n\t");
83                               }
84                               total += n;
85                     }
86                     fprintf(ofd, "\n};\nint kernel_binary_size = %d;\n", total);
87           }
88           err = 0;
89 
90  bye:
91           if (err)
92                     perror(0);
93 
94           if (ifd != stdin)
95                     fclose(ifd);
96           if (ofd != stdout)
97                     fclose(ofd);
98 
99           return err;
100 }
101