1208749Sraj#!/bin/sh 2208749Sraj# 3208749Sraj# Copyright (c) 2010 The FreeBSD Foundation 4208749Sraj# All rights reserved. 5208749Sraj# 6208749Sraj# This software was developed by Semihalf under sponsorship from 7208749Sraj# the FreeBSD Foundation. 8208749Sraj# 9208749Sraj# Redistribution and use in source and binary forms, with or without 10208749Sraj# modification, are permitted provided that the following conditions 11208749Sraj# are met: 12208749Sraj# 1. Redistributions of source code must retain the above copyright 13208749Sraj# notice, this list of conditions and the following disclaimer. 14208749Sraj# 2. Redistributions in binary form must reproduce the above copyright 15208749Sraj# notice, this list of conditions and the following disclaimer in the 16208749Sraj# documentation and/or other materials provided with the distribution. 17208749Sraj# 18208749Sraj# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19208749Sraj# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20208749Sraj# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21208749Sraj# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22208749Sraj# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23208749Sraj# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24208749Sraj# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25208749Sraj# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26208749Sraj# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27208749Sraj# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28208749Sraj# SUCH DAMAGE. 29208749Sraj# 30208749Sraj# $FreeBSD$ 31208749Sraj 32208749Sraj# $1: kernel filename 33208749Sraj# $2: device tree blob filename 34208749Sraj 35208749Srajdtbsize=`ls -l $2 | awk '{print $5}'` 36208749Srajobs=`strings -at d $1 | grep "Device Tree Blob STARTS here" | awk '{print $1}'` 37208749Srajeol=`strings -at d $1 | grep "Device Tree Blob STOPS here" | awk '{print $1}'` 38208749Srajsz=$((eol - obs)); 39208749Srajif [ $sz -lt $dtbsize ] 40208749Srajthen 41208749Sraj echo "Selected blob is too big to reembed. Please rebuild the kernel." 42208749Sraj exit 43208749Srajfi 44208749Srajdd if=$2 ibs=${dtbsize} of=$1 obs=${obs} oseek=1 conv=notrunc 2> /dev/null 45