svn commit: r263188 - head/tools/tools/nanobsd
Warner Losh
imp at FreeBSD.org
Fri Mar 14 19:46:33 UTC 2014
Author: imp
Date: Fri Mar 14 19:46:32 2014
New Revision: 263188
URL: http://svnweb.freebsd.org/changeset/base/263188
Log:
When NANO_IMAGE_MBRONLY is set, and we're backing via swap, only copy
the MBR.
PR: 136889
Submitted by: Aragon Gouveia
Modified:
head/tools/tools/nanobsd/nanobsd.sh
Modified: head/tools/tools/nanobsd/nanobsd.sh
==============================================================================
--- head/tools/tools/nanobsd/nanobsd.sh Fri Mar 14 19:46:18 2014 (r263187)
+++ head/tools/tools/nanobsd/nanobsd.sh Fri Mar 14 19:46:32 2014 (r263188)
@@ -136,6 +136,9 @@ NANO_BOOT2CFG="-h"
# Can be "file" or "swap"
NANO_MD_BACKING="file"
+# for swap type md(4) backing, write out the mbr only
+NANO_IMAGE_MBRONLY=true
+
# Progress Print level
PPLEVEL=3
@@ -573,6 +576,14 @@ create_i386_diskimage ( ) (
fi
if [ "${NANO_MD_BACKING}" = "swap" ] ; then
+ if [ ${NANO_IMAGE_MBRONLY} ]; then
+ echo "Writing out _.disk.mbr..."
+ dd if=/dev/${MD} of=${NANO_DISKIMGDIR}/_.disk.mbr bs=512 count=1
+ else
+ echo "Writing out ${NANO_IMGNAME}..."
+ dd if=/dev/${MD} of=${IMG} bs=64k
+ fi
+
echo "Writing out ${NANO_IMGNAME}..."
dd conv=sparse if=/dev/${MD} of=${IMG} bs=64k
fi
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