The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/tools/fdt/embed_dtb.sh

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
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    1 #!/bin/sh
    2 #
    3 # SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    4 #
    5 # Copyright (c) 2010 The FreeBSD Foundation
    6 # All rights reserved.
    7 #
    8 # This software was developed by Semihalf under sponsorship from
    9 # the FreeBSD Foundation.
   10 #
   11 # Redistribution and use in source and binary forms, with or without
   12 # modification, are permitted provided that the following conditions
   13 # are met:
   14 # 1. Redistributions of source code must retain the above copyright
   15 #    notice, this list of conditions and the following disclaimer.
   16 # 2. Redistributions in binary form must reproduce the above copyright
   17 #    notice, this list of conditions and the following disclaimer in the
   18 #    documentation and/or other materials provided with the distribution.
   19 #
   20 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   21 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   24 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   27 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30 # SUCH DAMAGE.
   31 #
   32 # $FreeBSD$
   33 
   34 # $1: kernel filename
   35 # $2: device tree blob filename
   36 
   37 dtbsize=`ls -l $2 | awk '{print $5}'`
   38 obs=`strings -at d $1 | grep "Device Tree Blob STARTS here" | awk '{print $1}'`
   39 eol=`strings -at d $1 | grep "Device Tree Blob STOPS here" | awk '{print $1}'`
   40 sz=$((eol - obs));
   41 if [ $sz -lt $dtbsize ]
   42 then
   43         echo "Selected blob is too big to reembed. Please rebuild the kernel."
   44         exit
   45 fi
   46 dd if=$2 ibs=${dtbsize} of=$1 obs=${obs} oseek=1 conv=notrunc 2> /dev/null

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