Flattened Device Tree helper scripts.

Reviewed by:	imp
Sponsored by:	The FreeBSD Foundation

2 files changed, 52 insertions, 0 deletions

diff --git a/sys/tools/fdt/embed_dtb.sh b/sys/tools/fdt/embed_dtb.sh
new file mode 100755
index 0000000..7869a20
--- /dev/null
+++ b/sys/tools/fdt/embed_dtb.sh
@@ -0,0 +1,44 @@
+#!/bin/sh
+#
+# Copyright (c) 2010 The FreeBSD Foundation
+# All rights reserved.
+#
+# This software was developed by Semihalf under sponsorship from
+# the FreeBSD Foundation.
+#
+# 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 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 THE 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.
+#
+# $FreeBSD$
+
+# $1: kernel filename
+# $2: device tree blob filename
+
+dtbsize=`ls -l $2 | awk '{print $5}'`
+obs=`strings -at d $1 | grep "Device Tree Blob STARTS here" | awk '{print $1}'`
+eol=`strings -at d $1 | grep "Device Tree Blob STOPS here" | awk '{print $1}'`
+sz=$((eol - obs));
+if [ $sz -lt $dtbsize ]
+then
+	echo "Selected blob is too big to reembed. Please rebuild the kernel."
+	exit
+fi
+dd if=$2 ibs=${dtbsize} of=$1 obs=${obs} oseek=1 conv=notrunc 2> /dev/null
diff --git a/sys/tools/fdt/make_dtbh.sh b/sys/tools/fdt/make_dtbh.sh
new file mode 100755
index 0000000..c2d41b6
--- /dev/null
+++ b/sys/tools/fdt/make_dtbh.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+#
+# $FreeBSD$
+
+# Script generates a $2/fdt_static_dtb.h file.
+
+dtb_base_name=`basename $1 .dts`
+echo '#define FDT_DTB_FILE "'${dtb_base_name}.dtb'"' > $2/fdt_static_dtb.h