svn commit: r263849 - user/marcel/mkimg
Marcel Moolenaar
marcel at FreeBSD.org
Thu Mar 27 23:16:19 UTC 2014
Author: marcel
Date: Thu Mar 27 23:16:18 2014
New Revision: 263849
URL: http://svnweb.freebsd.org/changeset/base/263849
Log:
Properly fill in d_nsectors, d_ntracks, d_ncylinders & d_secpercyl.
Round the image size to a multiple of the cyclinder size.
Modified:
user/marcel/mkimg/bsd.c
Modified: user/marcel/mkimg/bsd.c
==============================================================================
--- user/marcel/mkimg/bsd.c Thu Mar 27 23:15:07 2014 (r263848)
+++ user/marcel/mkimg/bsd.c Thu Mar 27 23:16:18 2014 (r263849)
@@ -75,13 +75,16 @@ bsd_write(int fd, lba_t imgsz, void *boo
} else
memset(buf, 0, BBSIZE);
+ imgsz = ncyls * nheads * nsecs;
+ ftruncate(fd, imgsz * secsz);
+
d = (void *)(buf + LABELSECTOR * secsz + LABELOFFSET);
le32enc(&d->d_magic, DISKMAGIC);
le32enc(&d->d_secsize, secsz);
- le32enc(&d->d_nsectors, 1); /* XXX */
- le32enc(&d->d_ntracks, 1); /* XXX */
- le32enc(&d->d_ncylinders, 0); /* XXX */
- le32enc(&d->d_secpercyl, 1); /* XXX */
+ le32enc(&d->d_nsectors, nsecs);
+ le32enc(&d->d_ntracks, nheads);
+ le32enc(&d->d_ncylinders, ncyls);
+ le32enc(&d->d_secpercyl, nsecs * nheads);
le32enc(&d->d_secperunit, imgsz);
le16enc(&d->d_rpm, 3600);
le32enc(&d->d_magic2, DISKMAGIC);
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