diff options
Diffstat (limited to 'sys/tools')
-rw-r--r-- | sys/tools/embed_mfs.sh | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sys/tools/embed_mfs.sh b/sys/tools/embed_mfs.sh new file mode 100644 index 0000000..785cf3f --- /dev/null +++ b/sys/tools/embed_mfs.sh @@ -0,0 +1,39 @@ +#!/bin/sh +# +# Copyright (C) 2008 The FreeBSD Project. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# $FreeBSD$ +# +# Embed the MFS image into the kernel body (expects space reserved via +# MD_ROOT_SIZE) +# +# $1: kernel filename +# $2: MFS image filename +# + +obs=`strings -at d $1 | grep "MFS Filesystem goes here" | awk '{print $1}'` +dd if=$2 ibs=8192 of=$1 obs=${obs} oseek=1 conv=notrunc 2> /dev/null + +strings $1 | grep 'MFS Filesystem had better STOP here' > /dev/null || \ + (rm $1 && echo "MFS image too large" && false) |