diff options
Diffstat (limited to 'usr.bin/mkimg/mkimg.c')
| -rw-r--r-- | usr.bin/mkimg/mkimg.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/usr.bin/mkimg/mkimg.c b/usr.bin/mkimg/mkimg.c index d054423..b55ee7e 100644 --- a/usr.bin/mkimg/mkimg.c +++ b/usr.bin/mkimg/mkimg.c @@ -340,6 +340,27 @@ sparse_write(int fd, const void *ptr, size_t sz) #endif /* SPARSE_WRITE */ void +mkimg_chs(lba_t lba, u_int maxcyl, u_int *cylp, u_int *hdp, u_int *secp) +{ + u_int hd, sec; + + *cylp = *hdp = *secp = ~0U; + if (nsecs == 1 || nheads == 1) + return; + + sec = lba % nsecs + 1; + lba /= nsecs; + hd = lba % nheads; + lba /= nheads; + if (lba > maxcyl) + return; + + *cylp = lba; + *hdp = hd; + *secp = sec; +} + +void mkimg_uuid(struct uuid *uuid) { static uint8_t gen[sizeof(struct uuid)]; |
