d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add interleave > 1 support by Poul-Henning Kamp.

Browse Source 
Chack valid range of sectors per track.
This commit is contained in:
ache 1994-02-10 01:15:01 +00:00
parent a3403455ad
commit bf53b5e2fb
2 changed files with 17 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
usr.sbin/fdformat/fdformat.1
View File

@ -111,8 +111,6 @@ An exit status of 0 is returned upon successful operation. Exit status
1 is returned on any errors during floppy formatting, and an exit status
of 2 reflects invalid arguments given to the program (along with an
appropriate information written to diagnostic output).
.Sh BUGS
The only valid interleave factor value is 1.
.Sh SEE ALSO
.Xr fd 4 .
.Sh HISTORY

25
usr.sbin/fdformat/fdformat.c
View File

@ -51,10 +51,18 @@
static void
format_track(int fd, int cyl, int secs, int head, int rate,
int gaplen, int secsize, int fill)
int gaplen, int secsize, int fill,int interleave)
{
struct fd_formb f;
register int i;
register int i,j;
int il[FD_MAX_NSEC];
memset(il,0,sizeof il);
for(j = 0, i = 1; i <= secs; i++) {
while(il[(j%secs)+1]) j++;
il[(j%secs)+1] = i;
j += interleave;
}
f.format_version = FD_FORMAT_VERSION;
f.head = head;
@ -68,7 +76,7 @@ format_track(int fd, int cyl, int secs, int head, int rate,
for(i = 0; i < secs; i++) {
f.fd_formb_cylno(i) = cyl;
f.fd_formb_headno(i) = head;
f.fd_formb_secno(i) = i + 1;
f.fd_formb_secno(i) = il[i+1];
f.fd_formb_secsize(i) = secsize;
}
if(ioctl(fd, FD_FORM, (caddr_t)&f) < 0) {
@ -274,15 +282,15 @@ main(int argc, char **argv)
if (cyls >= 0) fdt.tracks = cyls;
if (secs >= 0) fdt.sectrac = secs;
if (fdt.sectrac > FD_MAX_NSEC) {
fprintf(stderr, "fdformat: too many sectors per track, max value is %d\n", FD_MAX_NSEC);
exit(2);
}
if (heads >= 0) fdt.heads = heads;
if (gaplen >= 0) fdt.f_gap = gaplen;
if (secsize >= 0) fdt.secsize = secsize;
if (steps >= 0) fdt.steptrac = steps;
if (intleave >= 0) fdt.f_inter = intleave;
if (fdt.f_inter != 1) {
fprintf(stderr, "fdformat: can't format with interleave != 1 yet\n");
exit(2);
}
bytes_per_track = fdt.sectrac * (1<<fdt.secsize) * 128;
tracks_per_dot = fdt.tracks * fdt.heads / 40;
@ -317,7 +325,8 @@ main(int argc, char **argv)
for (track = 0; track < fdt.tracks * fdt.heads; track++) {
if (!verify_only) {
format_track(fd, track / 2, fdt.sectrac, track & 1,
fdt.trans, fdt.f_gap, fdt.secsize, fill);
fdt.trans, fdt.f_gap, fdt.secsize, fill,
fdt.f_inter);
if(!quiet && !((track + 1) % tracks_per_dot)) {
putchar('F');
fflush(stdout);