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/* $OpenBSD: fdformat.c,v 1.22 2016/03/16 15:41:11 krw Exp $ */ |
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/* |
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* Copyright (C) 1992-1994 by Joerg Wunsch, Dresden |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, |
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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/* |
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* FreeBSD: |
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* format a floppy disk |
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* |
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* Added FD_GTYPE ioctl, verifying, proportional indicators. |
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* Serge Vakulenko, vak@zebub.msk.su |
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* Sat Dec 18 17:45:47 MSK 1993 |
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* |
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* Final adaptation, change format/verify logic, add separate |
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* format gap/interleave values |
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* Andrew A. Chernov, ache@astral.msk.su |
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* Thu Jan 27 00:47:24 MSK 1994 |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include <fcntl.h> |
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#include <string.h> |
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#include <limits.h> |
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#include <ctype.h> |
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#include <err.h> |
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#include <util.h> |
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#include <errno.h> |
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#include <sys/types.h> |
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#include <sys/ioctl.h> |
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#include <machine/ioctl_fd.h> |
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extern const char *__progname; |
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static void |
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format_track(int fd, int cyl, int secs, int head, int rate, int gaplen, |
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int secsize, int fill, int interleave) |
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{ |
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struct fd_formb f; |
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int i,j; |
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int il[FD_MAX_NSEC + 1]; |
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memset(il,0,sizeof il); |
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for(j = 0, i = 1; i <= secs; i++) { |
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while(il[(j%secs)+1]) |
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j++; |
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il[(j%secs)+1] = i; |
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j += interleave; |
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} |
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f.format_version = FD_FORMAT_VERSION; |
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f.head = head; |
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f.cyl = cyl; |
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f.transfer_rate = rate; |
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f.fd_formb_secshift = secsize; |
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f.fd_formb_nsecs = secs; |
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f.fd_formb_gaplen = gaplen; |
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f.fd_formb_fillbyte = fill; |
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for(i = 0; i < secs; i++) { |
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f.fd_formb_cylno(i) = cyl; |
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f.fd_formb_headno(i) = head; |
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f.fd_formb_secno(i) = il[i+1]; |
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f.fd_formb_secsize(i) = secsize; |
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} |
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if (ioctl(fd, FD_FORM, (caddr_t)&f) < 0) |
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err(1, "FD_FORM"); |
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} |
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static int |
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verify_track(int fd, int track, int tracksize) |
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{ |
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static char *buf = 0; |
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static int bufsz = 0; |
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int fdopts = -1, ofdopts, rv = 0; |
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if (ioctl(fd, FD_GOPTS, &fdopts) < 0) |
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warn("FD_GOPTS"); |
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else { |
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ofdopts = fdopts; |
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fdopts |= FDOPT_NORETRY; |
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(void)ioctl(fd, FD_SOPTS, &fdopts); |
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} |
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if (bufsz < tracksize) { |
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free(buf); |
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bufsz = tracksize; |
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buf = 0; |
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} |
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if (! buf) |
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buf = malloc(bufsz); |
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if (! buf) { |
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fprintf (stderr, "\nfdformat: out of memory\n"); |
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exit (2); |
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} |
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if (lseek (fd, (off_t) track*tracksize, SEEK_SET) < 0) |
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rv = -1; |
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/* try twice reading it, without using the normal retrier */ |
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else if (read (fd, buf, tracksize) != tracksize |
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&& read (fd, buf, tracksize) != tracksize) |
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rv = -1; |
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if (fdopts != -1) |
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(void)ioctl(fd, FD_SOPTS, &ofdopts); |
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return (rv); |
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} |
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static void |
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usage(void) |
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{ |
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printf("usage: %s [-nqv] [-c cyls] [-F fillbyte] [-g gap3len] ", |
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__progname); |
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printf("[-h heads]\n"); |
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printf("\t[-i intleave] [-r rate] [-S secshft] [-s secs]\n"); |
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printf("\t[-t steps_per_track] device_name\n"); |
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printf("Options:\n"); |
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printf("\t-n\tdon't verify floppy after formatting\n"); |
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printf("\t-q\tsuppress any normal output, don't ask for confirmation\n"); |
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printf("\t-v\tdon't format, verify only\n"); |
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printf("\tdevname\tthe full name of floppy device or in short form fd0, fd1\n"); |
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printf("Obscure options:\n"); |
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printf("\t-c #\tspecify number of cylinders, 40 or 80\n"); |
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printf("\t-F #\tspecify fill byte\n"); |
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printf("\t-g #\tspecify gap length\n"); |
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printf("\t-h #\tspecify number of floppy heads, 1 or 2\n"); |
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printf("\t-i #\tspecify interleave factor\n"); |
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printf("\t-r #\tspecify data rate, 250, 300 or 500 kbps\n"); |
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printf("\t-S #\tspecify sector size, 0=128, 1=256, 2=512 bytes\n"); |
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printf("\t-s #\tspecify number of sectors per track, 9, 10, 15 or 18\n"); |
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printf("\t-t #\tnumber of steps per track\n"); |
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exit(2); |
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} |
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static int |
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yes(void) |
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{ |
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char reply[256], *p; |
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for (;;) { |
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fflush(stdout); |
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if (!fgets(reply, sizeof(reply), stdin)) |
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return (0); |
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for (p=reply; *p==' ' || *p=='\t'; ++p) |
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continue; |
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if (*p=='y' || *p=='Y') |
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return (1); |
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if (*p=='n' || *p=='N' || *p=='\n' || *p=='\r') |
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return (0); |
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printf("Answer `yes' or `no': "); |
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} |
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} |
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int |
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main(int argc, char *argv[]) |
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{ |
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int cyls = -1, secs = -1, heads = -1, intleave = -1; |
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int rate = -1, gaplen = -1, secsize = -1, steps = -1; |
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int fill = 0xf6, quiet = 0, verify = 1, verify_only = 0; |
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int fd, c, track, error, tracks_per_dot, bytes_per_track, errs; |
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const char *errstr; |
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char *devname; |
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struct fd_type fdt; |
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while((c = getopt(argc, argv, "c:s:h:r:g:S:F:t:i:qvn")) != -1) |
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switch (c) { |
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case 'c': /* # of cyls */ |
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cyls = strtonum(optarg, 1, INT_MAX, &errstr); |
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if (errstr) |
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errx(1, "-c %s: %s", optarg, errstr); |
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break; |
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case 's': /* # of secs per track */ |
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secs = strtonum(optarg, 1, INT_MAX, &errstr); |
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if (errstr) |
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errx(1, "-s %s: %s", optarg, errstr); |
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break; |
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case 'h': /* # of heads */ |
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heads = strtonum(optarg, 1, INT_MAX, &errstr); |
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if (errstr) |
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errx(1, "-h %s: %s", optarg, errstr); |
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break; |
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case 'r': /* transfer rate, kilobyte/sec */ |
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rate = strtonum(optarg, 1, INT_MAX, &errstr); |
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if (errstr) |
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errx(1, "-r %s: %s", optarg, errstr); |
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break; |
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case 'g': /* length of GAP3 to format with */ |
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gaplen = strtonum(optarg, 1, INT_MAX, &errstr); |
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if (errstr) |
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errx(1, "-g %s: %s", optarg, errstr); |
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break; |
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case 'S': /* sector size shift factor (1 << S)*128 */ |
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secsize = strtonum(optarg, 0, INT_MAX, &errstr); |
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if (errstr) |
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errx(1, "-S %s: %s", optarg, errstr); |
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break; |
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case 'F': /* fill byte, C-like notation allowed */ |
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fill = (int)strtol(optarg, NULL, 0); |
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break; |
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case 't': /* steps per track */ |
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steps = strtonum(optarg, 1, INT_MAX, &errstr); |
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if (errstr) |
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errx(1, "-t %s: %s", optarg, errstr); |
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break; |
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case 'i': /* interleave factor */ |
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intleave = strtonum(optarg, 1, INT_MAX, &errstr); |
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if (errstr) |
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errx(1, "-i %s: %s", optarg, errstr); |
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break; |
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case 'q': |
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quiet = 1; |
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break; |
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case 'n': |
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verify = 0; |
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break; |
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case 'v': |
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verify = 1; |
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verify_only = 1; |
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break; |
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case '?': default: |
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usage(); |
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} |
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if (optind != argc - 1) |
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usage(); |
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if ((fd = opendev(argv[optind], O_RDWR, OPENDEV_PART, &devname)) < 0) |
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err(1, "%s", devname); |
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if (ioctl(fd, FD_GTYPE, &fdt) < 0) |
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errx(1, "not a floppy disk: %s", devname); |
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switch (rate) { |
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case -1: |
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break; |
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case 250: |
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fdt.rate = FDC_250KBPS; |
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break; |
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case 300: |
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fdt.rate = FDC_300KBPS; |
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break; |
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case 500: |
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fdt.rate = FDC_500KBPS; |
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break; |
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default: |
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errx(1, "invalid transfer rate: %d", rate); |
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} |
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if (cyls >= 0) |
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fdt.tracks = cyls; |
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if (secs >= 0) |
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fdt.sectrac = secs; |
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if (fdt.sectrac > FD_MAX_NSEC) |
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errx(1, "too many sectors per track, max value is %d", |
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FD_MAX_NSEC); |
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if (heads >= 0) |
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fdt.heads = heads; |
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if (gaplen >= 0) |
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fdt.gap2 = gaplen; |
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if (secsize >= 0) |
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fdt.secsize = secsize; |
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if (steps >= 0) |
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fdt.step = steps; |
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bytes_per_track = fdt.sectrac * (1<<fdt.secsize) * 128; |
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tracks_per_dot = fdt.tracks * fdt.heads / 40; |
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if (tracks_per_dot == 0) |
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tracks_per_dot++; |
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305 |
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if (verify_only) { |
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if (!quiet) |
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printf("Verify %dK floppy `%s'.\n", |
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fdt.tracks * fdt.heads * bytes_per_track / 1024, |
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devname); |
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} |
311 |
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else if (!quiet) { |
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printf("Format %dK floppy `%s'? (y/n): ", |
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fdt.tracks * fdt.heads * bytes_per_track / 1024, |
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devname); |
315 |
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if (!yes()) { |
316 |
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printf("Not confirmed.\n"); |
317 |
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exit(0); |
318 |
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} |
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} |
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321 |
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/* |
322 |
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* Formatting. |
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*/ |
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if (!quiet) { |
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printf("Processing "); |
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for (track = 0; track < fdt.tracks * fdt.heads; track++) { |
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if (!((track + 1) % tracks_per_dot)) |
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putchar('-'); |
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} |
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putchar('\r'); |
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printf("Processing "); |
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fflush(stdout); |
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} |
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335 |
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error = errs = 0; |
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337 |
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for (track = 0; track < fdt.tracks * fdt.heads; track++) { |
338 |
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if (!verify_only) { |
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format_track(fd, track / fdt.heads, fdt.sectrac, |
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track % fdt.heads, fdt.rate, fdt.gap2, |
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fdt.secsize, fill, |
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intleave >= 0 ? intleave : 1); |
343 |
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if (!quiet && !((track + 1) % tracks_per_dot)) { |
344 |
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putchar('F'); |
345 |
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fflush(stdout); |
346 |
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} |
347 |
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} |
348 |
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if (verify) { |
349 |
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if (verify_track(fd, track, bytes_per_track) < 0) |
350 |
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error = errs = 1; |
351 |
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if (!quiet && !((track + 1) % tracks_per_dot)) { |
352 |
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if (!verify_only) |
353 |
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putchar('\b'); |
354 |
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if (error) { |
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putchar('E'); |
356 |
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error = 0; |
357 |
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} |
358 |
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else |
359 |
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putchar('V'); |
360 |
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fflush(stdout); |
361 |
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} |
362 |
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} |
363 |
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} |
364 |
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close(fd); |
365 |
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if (!quiet) |
366 |
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printf(" done.\n"); |
367 |
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368 |
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exit(errs); |
369 |
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} |