FreeCalypso > hg > freecalypso-reveng

annotate miscprog/ftmdump.c @ 317:c71e3156170a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
frbl/reconst: boot.c passes compilation
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 04 Mar 2020 23:58:05 +0000
parents 9f2e0c34fe33
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
221
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * This program parses the record structure in Compal's FTM sector (or at least
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * that's what I *think* it is called) and dumps each record in hex for further
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * human analysis.
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 */
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <sys/types.h>
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <stdio.h>
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <stdlib.h>
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include <string.h>
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include <strings.h>
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 char *infname;
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 FILE *inf;
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 u_char header[8];
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 u_char endmarker[8] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 unsigned hdr_words[4];
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 main(argc, argv)
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 char **argv;
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 {
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 if (argc < 2 || argc > 3) {
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 fprintf(stderr, "usage: %s binfile [offset]\n", argv[0]);
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 exit(1);
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 }
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 infname = argv[1];
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 inf = fopen(infname, "r");
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 if (!inf) {
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 perror(infname);
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 exit(1);
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 }
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 if (argc == 3)
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 fseek(inf, strtoul(argv[2], 0, 0), SEEK_SET);
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 for (;;) {
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 fread(header, 1, 8, inf);
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 if (!bcmp(header, endmarker, 8))
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 break;
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 process_record();
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 }
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 exit(0);
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 }
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 process_record()
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 {
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 u_char readbuf[16];
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 int pos, chunk, i, c;
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 for (i = 0; i < 4; i++)
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 hdr_words[i] = header[i*2] | (header[i*2+1] << 8);
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 printf("%04X %04X %04X %04X:\n\n", hdr_words[0], hdr_words[1],
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 hdr_words[2], hdr_words[3]);
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 for (pos = 0; pos < hdr_words[3]; pos += chunk) {
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 chunk = hdr_words[3] - pos;
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 if (chunk > 16)
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 chunk = 16;
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 fread(readbuf, 1, chunk, inf);
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 printf("%04X:", pos);
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 for (i = 0; i < 16; i++) {
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 if (i == 0 || i == 8)
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 putchar(' ');
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 if (i < chunk)
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 printf(" %02X", readbuf[i]);
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 else
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 fputs(" ", stdout);
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 }
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 fputs(" ", stdout);
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 for (i = 0; i < chunk; i++) {
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 c = readbuf[i];
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 if (c < ' ' || c > '~')
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 c = '.';
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 putchar(c);
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 }
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 putchar('\n');
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 }
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 putchar('\n');
9f2e0c34fe33 ftmdump (C1xx factory data reverse eng) tool written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 }