1 /*
2 $Id: fore200e_mkfirm.c,v 1.1 2000/02/21 16:04:32 davem Exp $
3
4 mkfirm.c: generates a C readable file from a binary firmware image
5
6 Christophe Lizzi (lizzi@{csti.fr, cnam.fr}), June 1999.
7
8 This software may be used and distributed according to the terms
9 of the GNU General Public License, incorporated herein by reference.
10 */
11
12 #include <stdio.h>
13 #include <stdlib.h>
14 #include <sys/types.h>
15 #include <time.h>
16
17 char* default_basename = "pca200e"; /* was initially written for the PCA-200E firmware */
18 char* default_infname = "<stdin>";
19 char* default_outfname = "<stdout>";
20
21 char* progname;
22 int verbose = 0;
23 int inkernel = 0;
24
25
26 void usage(void)
27 {
28 fprintf(stderr,
29 "%s: [-v] [-k] [-b basename ] [-i firmware.bin] [-o firmware.c]\n",
30 progname);
31 exit(-1);
32 }
33
34
35 int main(int argc, char** argv)
36 {
37 time_t now;
38 char* infname = NULL;
39 char* outfname = NULL;
40 char* basename = NULL;
41 FILE* infile;
42 FILE* outfile;
43 unsigned firmsize;
44 int c;
45
46 progname = *(argv++);
47
48 while (argc > 1) {
49 if ((*argv)[0] == '-') {
50 switch ((*argv)[1]) {
51 case 'i':
52 if (argc-- < 3)
53 usage();
54 infname = *(++argv);
55 break;
56 case 'o':
57 if (argc-- < 3)
58 usage();
59 outfname = *(++argv);
60 break;
61 case 'b':
62 if (argc-- < 3)
63 usage();
64 basename = *(++argv);
65 break;
66 case 'v':
67 verbose = 1;
68 break;
69 case 'k':
70 inkernel = 1;
71 break;
72 default:
73 usage();
74 }
75 }
76 else {
77 usage();
78 }
79 argc--;
80 argv++;
81 }
82
83 if (infname != NULL) {
84 infile = fopen(infname, "r");
85 if (infile == NULL) {
86 fprintf(stderr, "%s: can't open %s for reading\n",
87 progname, infname);
88 exit(-2);
89 }
90 }
91 else {
92 infile = stdin;
93 infname = default_infname;
94 }
95
96 if (outfname) {
97 outfile = fopen(outfname, "w");
98 if (outfile == NULL) {
99 fprintf(stderr, "%s: can't open %s for writing\n",
100 progname, outfname);
101 exit(-3);
102 }
103 }
104 else {
105 outfile = stdout;
106 outfname = default_outfname;
107 }
108
109 if (basename == NULL)
110 basename = default_basename;
111
112 if (verbose) {
113 fprintf(stderr, "%s: input file = %s\n", progname, infname );
114 fprintf(stderr, "%s: output file = %s\n", progname, outfname );
115 fprintf(stderr, "%s: firmware basename = %s\n", progname, basename );
116 }
117
118 time(&now);
119 fprintf(outfile, "/*\n generated by %s from %s on %s"
120 " DO NOT EDIT!\n*/\n\n",
121 progname, infname, ctime(&now));
122
123 if (inkernel)
124 fprintf(outfile, "#include <linux/init.h>\n\n" );
125
126 /* XXX force 32 bit alignment? */
127 fprintf(outfile, "const unsigned char%s %s_data[] = {\n",
128 inkernel ? " __initdata" : "", basename );
129
130 c = getc(infile);
131 fprintf(outfile,"\t0x%02x", c);
132 firmsize = 1;
133
134 while ((c = getc(infile)) >= 0) {
135
136 if (firmsize++ % 8)
137 fprintf(outfile,", 0x%02x", c);
138 else
139 fprintf(outfile,",\n\t0x%02x", c);
140 }
141
142 fprintf(outfile, "\n};\n\n");
143
144 fprintf(outfile, "const unsigned int%s %s_size = %u;\n",
145 inkernel ? " __initdata" : "", basename, firmsize );
146
147 if (infile != stdin)
148 fclose(infile);
149 if (outfile != stdout)
150 fclose(outfile);
151
152 if(verbose)
153 fprintf(stderr, "%s: firmware size = %u\n", progname, firmsize);
154
155 exit(0);
156 }
157
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