support partial dumps

SCCS-vsn: sys/vax/mba/hp.c 6.10

diff --git a/usr/src/sys/vax/mba/hp.c b/usr/src/sys/vax/mba/hp.c
index 8c5f464..bda92aa 100644 (file)
--- a/usr/src/sys/vax/mba/hp.c
+++ b/usr/src/sys/vax/mba/hp.c
@@ -3,7 +3,7 @@
  * All rights reserved.  The Berkeley software License Agreement
  * specifies the terms and conditions for redistribution.
  *
  * All rights reserved.  The Berkeley software License Agreement
  * specifies the terms and conditions for redistribution.
  *

- *     @(#)hp.c        6.9 (Berkeley) %G%
+ *     @(#)hp.c        6.10 (Berkeley) %G%

  */
 
 #ifdef HPDEBUG
  */
 
 #ifdef HPDEBUG


@@ -926,8 +926,10 @@ hpdump(dev)
                hpaddr->hpof = HPOF_FMT22;
        }
        st = &hpst[mi->mi_type];
                hpaddr->hpof = HPOF_FMT22;
        }
        st = &hpst[mi->mi_type];

-       if (dumplo < 0 || dumplo + num >= st->sizes[minor(dev)&07].nblocks)
+       if (dumplo < 0)

                return (EINVAL);
                return (EINVAL);

+       if (dumplo + num >= st->sizes[minor(dev)&07].nblocks)
+               num = st->sizes[minor(dev)&07].nblocks - dumplo;

        while (num > 0) {
                register struct pte *hpte = mba->mba_map;
                register int i;
        while (num > 0) {
                register struct pte *hpte = mba->mba_map;
                register int i;