fdformat.c revision 1022 
1/*
2 * Copyright (C) 1992-1993 by Joerg Wunsch, Dresden
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27/*
28 * FreeBSD:
29 * format a floppy disk
30 *
31 * Added FD_GTYPE ioctl, verifying, proportional indicators.
32 * Serge Vakulenko, vak@zebub.msk.su
33 * Sat Dec 18 17:45:47 MSK 1993
34 *
35 * Final adaptation, change format/verify logic, add separate
36 * format gap/interleave values
37 * Andrew A. Chernov, ache@astral.msk.su
38 * Thu Jan 27 00:47:24 MSK 1994
39 */
40
41#include <stdio.h>
42#include <stdlib.h>
43#include <unistd.h>
44#include <fcntl.h>
45#include <strings.h>
46#include <ctype.h>
47
48#include <errno.h>
49#include <machine/ioctl_fd.h>
50#include <../i386/isa/fdreg.h>	/* XXX should be in <machine> dir */
51
52static void
53format_track(int fd, int cyl, int secs, int head, int rate,
54	     int gaplen, int secsize, int fill)
55{
56	struct fd_formb f;
57	register int i;
58
59	f.format_version = FD_FORMAT_VERSION;
60	f.head = head;
61	f.cyl = cyl;
62	f.transfer_rate = rate;
63
64	f.fd_formb_secshift = secsize;
65	f.fd_formb_nsecs = secs;
66	f.fd_formb_gaplen = gaplen;
67	f.fd_formb_fillbyte = fill;
68	for(i = 0; i < secs; i++) {
69		f.fd_formb_cylno(i) = cyl;
70		f.fd_formb_headno(i) = head;
71		f.fd_formb_secno(i) = i + 1;
72		f.fd_formb_secsize(i) = secsize;
73	}
74	if(ioctl(fd, FD_FORM, (caddr_t)&f) < 0) {
75		perror("\nfdformat: ioctl(FD_FORM)");
76		exit(1);
77	}
78}
79
80static int
81verify_track(int fd, int track, int tracksize)
82{
83	static char *buf = 0;
84	static int bufsz = 0;
85
86	if (bufsz < tracksize) {
87		if (buf)
88			free (buf);
89		bufsz = tracksize;
90		buf = 0;
91	}
92	if (! buf)
93		buf = malloc (bufsz);
94	if (! buf) {
95		fprintf (stderr, "\nfdformat: out of memory\n");
96		exit (2);
97	}
98	if (lseek (fd, (long) track*tracksize, 0) < 0)
99		return (-1);
100	if (read (fd, buf, tracksize) != tracksize)
101		return (-1);
102	return (0);
103}
104
105static const char *
106makename(const char *arg, const char *suffix)
107{
108	static char namebuff[20];	/* big enough for "/dev/rfd0a"... */
109
110	memset(namebuff, 0, 20);
111	if(*arg == '\0') /* ??? */
112		return arg;
113	if(*arg == '/')  /* do not convert absolute pathnames */
114		return arg;
115	strcpy(namebuff, "/dev/r");
116	strncat(namebuff, arg, 3);
117	strcat(namebuff, suffix);
118	return namebuff;
119}
120
121static void
122usage ()
123{
124	printf("Usage:\n\tfdformat [-q] [-n | -v] [-f #] [-c #] [-s #] [-h #]\n");
125	printf("\t\t [-r #] [-g #] [-i #] [-S #] [-F #] [-t #] devname\n");
126	printf("Options:\n");
127	printf("\t-q\tsupress any normal output, don't ask for confirmation\n");
128	printf("\t-n\tdon't verify floppy after formatting\n");
129	printf("\t-v\tdon't format, verify only\n");
130	printf("\t-f #\tspecify desired floppy capacity, in kilobytes;\n");
131	printf("\t\tvalid choices are 360, 720, 800, 820, 1200, 1440, 1480, 1720\n");
132	printf("\tdevname\tthe full name of floppy device or in short form fd0, fd1\n");
133	printf("Obscure options:\n");
134	printf("\t-c #\tspecify number of cylinders, 40 or 80\n");
135	printf("\t-s #\tspecify number of sectors per track, 9, 10, 15 or 18\n");
136	printf("\t-h #\tspecify number of floppy heads, 1 or 2\n");
137	printf("\t-r #\tspecify data rate, 250, 300 or 500 kbps\n");
138	printf("\t-g #\tspecify gap length\n");
139	printf("\t-i #\tspecify interleave factor\n");
140	printf("\t-S #\tspecify sector size, 0=128, 1=256, 2=512 bytes\n");
141	printf("\t-F #\tspecify fill byte\n");
142	printf("\t-t #\tnumber of steps per track\n");
143	exit(2);
144}
145
146static int
147yes ()
148{
149	char reply [256], *p;
150
151	reply[sizeof(reply)-1] = 0;
152	for (;;) {
153		fflush(stdout);
154		if (! fgets (reply, sizeof(reply)-1, stdin))
155			return (0);
156		for (p=reply; *p==' ' || *p=='\t'; ++p)
157			continue;
158		if (*p=='y' || *p=='Y')
159			return (1);
160		if (*p=='n' || *p=='N' || *p=='\n' || *p=='\r')
161			return (0);
162		printf("Answer `yes' or `no': ");
163	}
164}
165
166int
167main(int argc, char **argv)
168{
169	int format = -1, cyls = -1, secs = -1, heads = -1, intleave = -1;
170	int rate = -1, gaplen = -1, secsize = -1, steps = -1;
171	int fill = 0xf6, quiet = 0, verify = 1, verify_only = 0;
172	int fd, c, track, error, tracks_per_dot, bytes_per_track, errs;
173	const char *devname, *suffix;
174	struct fd_type fdt;
175
176	while((c = getopt(argc, argv, "f:c:s:h:r:g:S:F:t:i:qvn")) != -1)
177		switch(c) {
178		case 'f':	/* format in kilobytes */
179			format = atoi(optarg);
180			break;
181
182		case 'c':	/* # of cyls */
183			cyls = atoi(optarg);
184			break;
185
186		case 's':	/* # of secs per track */
187			secs = atoi(optarg);
188			break;
189
190		case 'h':	/* # of heads */
191			heads = atoi(optarg);
192			break;
193
194		case 'r':	/* transfer rate, kilobyte/sec */
195			rate = atoi(optarg);
196			break;
197
198		case 'g':	/* length of GAP3 to format with */
199			gaplen = atoi(optarg);
200			break;
201
202		case 'S':	/* sector size shift factor (1 << S)*128 */
203			secsize = atoi(optarg);
204			break;
205
206		case 'F':	/* fill byte, C-like notation allowed */
207			fill = (int)strtol(optarg, (char **)0, 0);
208			break;
209
210		case 't':	/* steps per track */
211			steps = atoi(optarg);
212			break;
213
214		case 'i':       /* interleave factor */
215			intleave = atoi(optarg);
216			break;
217
218		case 'q':
219			quiet = 1;
220			break;
221
222		case 'n':
223			verify = 0;
224			break;
225
226		case 'v':
227			verify = 1;
228			verify_only = 1;
229			break;
230
231		case '?': default:
232			usage();
233		}
234
235	if(optind != argc - 1)
236		usage();
237
238	switch(format) {
239	default:
240		fprintf(stderr, "fdformat: bad floppy size: %dK\n", format);
241		exit(2);
242	case -1:   suffix = "";      break;
243	case 360:  suffix = ".360";  break;
244	case 720:  suffix = ".720";  break;
245	case 800:  suffix = ".800";  break;
246	case 820:  suffix = ".820";  break;
247	case 1200: suffix = ".1200"; break;
248	case 1440: suffix = ".1440"; break;
249	case 1480: suffix = ".1480"; break;
250	case 1720: suffix = ".1720"; break;
251	}
252
253	devname = makename(argv[optind], suffix);
254
255	if((fd = open(devname, O_RDWR)) < 0) {
256		perror(devname);
257		exit(1);
258	}
259
260	if(ioctl(fd, FD_GTYPE, &fdt) < 0) {
261		fprintf(stderr, "fdformat: not a floppy disk: %s\n", devname);
262		exit(1);
263	}
264
265	switch(rate) {
266	case -1:  break;
267	case 250: fdt.trans = FDC_250KBPS; break;
268	case 300: fdt.trans = FDC_300KBPS; break;
269	case 500: fdt.trans = FDC_500KBPS; break;
270	default:
271		fprintf(stderr, "fdformat: invalid transfer rate: %d\n", rate);
272		exit(2);
273	}
274
275	if (cyls >= 0)    fdt.tracks = cyls;
276	if (secs >= 0)    fdt.sectrac = secs;
277	if (heads >= 0)   fdt.heads = heads;
278	if (gaplen >= 0)  fdt.f_gap = gaplen;
279	if (secsize >= 0) fdt.secsize = secsize;
280	if (steps >= 0)   fdt.steptrac = steps;
281	if (intleave >= 0) fdt.f_inter = intleave;
282	if (fdt.f_inter != 1) {
283		fprintf(stderr, "fdformat: can't format with interleave != 1 yet\n");
284		exit(2);
285	}
286
287	bytes_per_track = fdt.sectrac * (1<<fdt.secsize) * 128;
288	tracks_per_dot = fdt.tracks * fdt.heads / 40;
289
290	if (verify_only) {
291		if(!quiet)
292			printf("Verify %dK floppy `%s'.\n",
293				fdt.tracks * fdt.heads * bytes_per_track / 1024,
294				devname);
295	}
296	else if(!quiet) {
297		printf("Format %dK floppy `%s'? (y/n): ",
298			fdt.tracks * fdt.heads * bytes_per_track / 1024,
299			devname);
300		if(! yes ()) {
301			printf("Not confirmed.\n");
302			return 0;
303		}
304	}
305
306	/*
307	 * Formatting.
308	 */
309	if(!quiet) {
310		printf("Processing ----------------------------------------\r");
311		printf("Processing ");
312		fflush(stdout);
313	}
314
315	error = errs = 0;
316
317	for (track = 0; track < fdt.tracks * fdt.heads; track++) {
318		if (!verify_only) {
319			format_track(fd, track / 2, fdt.sectrac, track & 1,
320				fdt.trans, fdt.f_gap, fdt.secsize, fill);
321			if(!quiet && !((track + 1) % tracks_per_dot)) {
322				putchar('F');
323				fflush(stdout);
324			}
325		}
326		if (verify) {
327			if (verify_track(fd, track, bytes_per_track) < 0)
328				error = errs = 1;
329			if(!quiet && !((track + 1) % tracks_per_dot)) {
330				if (!verify_only)
331					putchar('\b');
332				if (error) {
333					putchar('E');
334					error = 0;
335				}
336				else
337					putchar('V');
338				fflush(stdout);
339			}
340		}
341	}
342	if(!quiet)
343		printf(" done.\n");
344
345	return errs;
346}
347