Add ps3-bl-option

Signed-off-by: Geoff Levand <geoff@infradead.org>
diff --git a/Makefile.am b/Makefile.am
index 6b70b7c..e0f8982 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -23,6 +23,7 @@
 
 composed_sbin_scripts = \
 	ps3-boot-game-os \
+	ps3-bl-option \
 	ps3-dump-bootloader \
 	ps3-rtc-init
 
@@ -63,6 +64,12 @@
 	chmod +x $@.tmp
 	mv $@.tmp $@
 
+ps3-bl-option: Makefile $(srcdir)/ps3-bl-option.in
+	rm -f $@ $@.tmp
+	$(edit) $(srcdir)/$@.in >$@.tmp
+	chmod +x $@.tmp
+	mv $@.tmp $@
+
 ps3-dump-bootloader: Makefile $(srcdir)/ps3-dump-bootloader.in
 	rm -f $@ $@.tmp
 	$(edit) $(srcdir)/$@.in >$@.tmp
diff --git a/ps3-bl-option.in b/ps3-bl-option.in
new file mode 100644
index 0000000..ecd4a4f
--- /dev/null
+++ b/ps3-bl-option.in
@@ -0,0 +1,122 @@
+#!/bin/sh
+#
+#  Copyright (C) 2008 Sony Computer Entertainment Inc.
+#  Copyright 2008 Sony Corp.
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; version 2 of the License.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+
+usage() {
+	echo "" >&2
+	echo "SYNOPSIS" >&2
+	echo "     ps3-bl-option  (@PACKAGE_NAME@) @PACKAGE_VERSION@" >&2
+	echo "" >&2
+	echo "DESCRIPTION" >&2
+	echo "     Get and set PS3 bootloader options in flash." >&2
+	echo "" >&2
+	echo "OPTIONS" >&2
+	echo "     -m, --get-video-mode" >&2
+	echo "             Get the bootloader video mode." >&2
+	echo "" >&2
+	echo "     -M, --set-video-mode value" >&2
+	echo "             Set the bootloader video mode." >&2
+	echo "" >&2
+	echo "     -p, --get-petitboot-default" >&2
+	echo "             Get the default Petitboot menu item." >&2
+	echo "" >&2
+	echo "     -P, --set-petitboot-default value" >&2
+	echo "             Set the default Petitboot menu item." >&2
+	echo "" >&2
+	echo "     -t, --get-telnet-enabled" >&2
+	echo "             Get the telnet enabled flag." >&2
+	echo "" >&2
+	echo "     -T, --set-telnet-enabled value" >&2
+	echo "             Set the telnet enabled flag." >&2
+	echo "" >&2
+	echo "     -h, --help" >&2
+	echo "             Print a help message." >&2
+	echo "" >&2
+	echo "SEE ALSO" >&2
+	echo "     ps3-flash-util(8)" >&2
+	echo "" >&2
+	echo "Send bug reports to @PACKAGE_BUGREPORT@" >&2
+	exit 1
+}
+
+version() {
+	echo "ps3-bl-option (@PACKAGE_NAME@) @PACKAGE_VERSION@"
+	exit 1
+}
+
+if [ "$#" -eq 0 ] ; then
+	echo "ERROR: bad arg" >&2;
+	usage
+fi
+
+get_flag() {
+	flags=`ps3-flash-util --db-print $1 $2`
+	echo $(( ${flags:-0} & $3 ))
+}
+
+set_flag() {
+	flags=`ps3-flash-util --db-print $1 $2`
+
+	if [ $4 -eq 0  ]; then
+		ps3-flash-util --db-write-half $1 $2 $(( ${flags:-0} & ~$3 ))
+	else
+		ps3-flash-util --db-write-half $1 $2 $(( ${flags:-0} | $3 ))
+	fi
+}
+
+# owners
+petitboot="3"
+
+# keys
+menu="1"
+video="2"
+flags="3"
+
+# flags
+telnet="1"
+
+case "$1" in
+	-m | --get-video-mode)
+		ps3-flash-util --db-print ${petitboot} ${video}
+		;;
+	-M | --set-video-mode)
+		ps3-flash-util --db-write-half ${petitboot} ${video} $2
+		;;
+	-p | --get-petitboot-default)
+		ps3-flash-util --db-print ${petitboot} ${menu}
+		;;
+	-P | --set-petitboot-default)
+		ps3-flash-util --db-write-word ${petitboot} ${menu} $2
+		;;
+	-t | --get-telnet-enabled)
+		get_flag ${petitboot} ${flags} ${telnet}
+		;;
+	-T | --set-telnet-enabled)
+		set_flag ${petitboot} ${flags} ${telnet} $2
+		;;
+	-h | --help)
+		usage
+		;;
+	--version | -V)
+		version
+		;;
+	*)
+		echo "ERROR: bad arg $1" >&2;
+		usage
+		;;
+esac