svn commit: r198676 - in stable/8/sys: . amd64/include/xen
cddl/contrib/opensolaris contrib/dev/acpica contrib/pf
dev/xen/xenpci geom/part
Robert Noland
rnoland at FreeBSD.org
Fri Oct 30 15:45:00 UTC 2009
Author: rnoland
Date: Fri Oct 30 15:45:00 2009
New Revision: 198676
URL: http://svn.freebsd.org/changeset/base/198676
Log:
MFC r198097
Set the active flag in the PMBR when we install bootcode on a GPT
partitioned disk. Some BIOS require this to be set before they will
boot the device.
Modified:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/xen/xenpci/ (props changed)
stable/8/sys/geom/part/g_part_gpt.c
Modified: stable/8/sys/geom/part/g_part_gpt.c
==============================================================================
--- stable/8/sys/geom/part/g_part_gpt.c Fri Oct 30 13:03:08 2009 (r198675)
+++ stable/8/sys/geom/part/g_part_gpt.c Fri Oct 30 15:45:00 2009 (r198676)
@@ -382,6 +382,9 @@ g_part_gpt_bootcode(struct g_part_table
codesz = MIN(codesz, gpp->gpp_codesize);
if (codesz > 0)
bcopy(gpp->gpp_codeptr, table->mbr, codesz);
+
+ /* Mark the PMBR active since some BIOS require it */
+ table->mbr[DOSPARTOFF] = 0x80; /* status */
return (0);
}
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