#! /bin/sh
#
#	$NetBSD: dts2netbsd,v 1.3 2017/07/29 23:06:22 jmcneill Exp $ */
#
# Copyright (c) 2013, 2017 The NetBSD Foundation, Inc.
# 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 THE NETBSD FOUNDATION, INC. 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 THE FOUNDATION 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.
#
# dts2netbsd:  prepare the dts source files and headers for import into the
# netbsd dts source tree, under src/sys/external/gpl2/dts/dist,
# based on the other *2netbsd scripts in the NetBSD source tree
#
# Instructions for importing new dts release:
#
#	$ cd /some/where/temporary
#	$ ftp https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.x.y.tar.xz
#	$ tar -jxvf linux-4.x.y.tar.xz
#	$ DTSSRCS=$(pwd)/linux-4.x.y
#	$ WRKDIR=/an/other/temporary
#	$ sh /usr/src/sys/external/gpl2/dts/dts2netbsd $DTSSRCS $WRKDIR
#	$ cd $WRKDIR
#	$ cvs -d cvs.netbsd.org:/cvsroot import -m "Import dts from Linux 4.x.y" src/sys/external/gpl2/dts/dist LINUX linux-4_x_y
#

if [ $# -ne 2 ]; then echo "dts2netbsd src dest"; exit 1; fi

r=$1
d=$2

case "$d" in
	/*)
		;;
	*)
		d=`/bin/pwd`/$d
		;;
esac

case "$r" in
	/*)
		;;
	*)
		r=`/bin/pwd`/$r
		;;
esac

echo preparing directory $d
rm -rf $d
mkdir -p $d

### Copy the files and directories
echo copying $r to $d
cd $r

mkdir -p $d/include
cp -RL $r/include/dt-bindings $d/include

for arch in arm arm64 mips; do
	mkdir -p $d/arch/${arch}/boot
	cp -RL $r/arch/${arch}/boot/dts $d/arch/${arch}/boot
	rm -rf $d/arch/${arch}/boot/dts/include
done

# cd to import directory
cd $d

### dts distribution doesn't have RCS/CVS tags, so add them.

### Add our NetBSD RCS Id
find $d -type f -name '*.[ch]' -print | while read c; do
	sed 1q < $c | grep -q '\$NetBSD' || (
echo "/*	\$NetBSD\$	*/" >/tmp/dts2n$$
echo "" >>/tmp/dts2n$$
cat $c  >> /tmp/dts2n$$
mv /tmp/dts2n$$ $c && echo added NetBSD RCS tag to $c
	)
done

echo done

### Clean up any CVS directories that might be around.
echo "cleaning up CVS residue."
(
	cd $d
	find . -type d -name "CVS" -print | xargs rm -r
)
echo done

### Fixing file and directory permissions.
echo "Fixing file/directory permissions."
(
	cd $d
	find . -type f -print | xargs chmod u+rw,go+r
	find . -type d -print | xargs chmod u+rwx,go+rx
)
echo done

exit 0