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