2010-06-02 17:22:38 +00:00
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#!/bin/sh
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#
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2017-11-27 15:23:17 +00:00
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# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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#
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2010-06-02 17:22:38 +00:00
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# Copyright (c) 2010 The FreeBSD Foundation
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# All rights reserved.
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#
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# This software was developed by Semihalf under sponsorship from
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# the FreeBSD Foundation.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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# $1: kernel filename
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# $2: device tree blob filename
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dtbsize=`ls -l $2 | awk '{print $5}'`
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obs=`strings -at d $1 | grep "Device Tree Blob STARTS here" | awk '{print $1}'`
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eol=`strings -at d $1 | grep "Device Tree Blob STOPS here" | awk '{print $1}'`
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sz=$((eol - obs));
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if [ $sz -lt $dtbsize ]
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then
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echo "Selected blob is too big to reembed. Please rebuild the kernel."
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exit
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fi
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dd if=$2 ibs=${dtbsize} of=$1 obs=${obs} oseek=1 conv=notrunc 2> /dev/null
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