svn commit: r198677 - in stable/7/sys: . contrib/pf geom/part

Robert Noland rnoland at FreeBSD.org
Fri Oct 30 15:45:40 UTC 2009


Author: rnoland
Date: Fri Oct 30 15:45:40 2009
New Revision: 198677
URL: http://svn.freebsd.org/changeset/base/198677

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/7/sys/   (props changed)
  stable/7/sys/contrib/pf/   (props changed)
  stable/7/sys/geom/part/g_part_gpt.c

Modified: stable/7/sys/geom/part/g_part_gpt.c
==============================================================================
--- stable/7/sys/geom/part/g_part_gpt.c	Fri Oct 30 15:45:00 2009	(r198676)
+++ stable/7/sys/geom/part/g_part_gpt.c	Fri Oct 30 15:45:40 2009	(r198677)
@@ -376,6 +376,9 @@ 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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