#!/bin/sh

#

# qemu	Allow users to run non-native Linux programs by just clicking on them

#	(or typing ./file.exe)

#

# chkconfig: 2345 35 98

# description: Allow users to run non-native Linux programs by just clicking \

#	       on them (or typing ./file.exe)

. /etc/rc.d/init.d/functions

RETVAL=0

QEMU=/usr/bin

start() {

	cpu=`uname -m`

        case "$cpu" in

	    i386|i486|i586|i686|i86pc|BePC)

		cpu="i386"

		;;

	    "Power Macintosh"|ppc|ppc64)

		cpu="ppc"

		;;

	    armv4l|armv5l)

		cpu="arm"

		;;

	    sh4)

		cpu="sh4"

		;;

	esac

	echo -n $"Registering binary handler for qemu applications"

	/sbin/modprobe binfmt_misc &>/dev/null

	if [ "$cpu" != i386 -a -x $QEMU/qemu-i386 -a -d /usr/qemu-i386 ] ; then

	    echo ":qemu-i386:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x03\x00:\xff\xff\xff\xff\xff\xfe\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfa\xff\xff\xff:$QEMU/qemu-i386:" > /proc/sys/fs/binfmt_misc/register

	    echo ":qemu-i486:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x06\x00:\xff\xff\xff\xff\xff\xfe\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfa\xff\xff\xff:$QEMU/qemu-i386:" > /proc/sys/fs/binfmt_misc/register

	fi

	if [ "$cpu" != arm -a -x $QEMU/qemu-arm -a -d /usr/qemu-arm ] ; then

	    echo   ":qemu-arm:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28\x00:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfa\xff\xff\xff:$QEMU/qemu-arm:" > /proc/sys/fs/binfmt_misc/register

	fi

	if [ "$cpu" != ppc -a -x $QEMU/qemu-ppc -a -d /usr/qemu-ppc ] ; then

	    echo   ":ppc:M::\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x14:\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfa\xff\xff\xff:$QEMU/qemu-ppc:" > /proc/sys/fs/binfmt_misc/register

	echo do ppc

	fi

	if [ "$cpu" != sparc -a -x $QEMU/qemu-sparc -a -d /usr/qemu-sparc ] ; then

	    echo   ":qemu-sparc:M::\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x02:\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfa\xff\xff\xff:$QEMU/qemu-sparc:" > /proc/sys/fs/binfmt_misc/register

	fi

	if [ "$cpu" != sh4 -a -x $QEMU/qemu-sh4 -a -d /usr/qemu-sh4 ] ; then

	    echo   ":qemu-sh4:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x2a\x00:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfa\xff\xff\xff:$QEMU/qemu-sh4:" > /proc/sys/fs/binfmt_misc/register

	fi

	echo

}

stop() {

	echo -n $"Unregistering binary handler for qemu applications"

	for a in i386 i486 ppc arm sparc sh4 ] ; do 

	    [ -r /proc/sys/fs/binfmt_misc/qemu-$a ] && echo "-1" >/proc/sys/fs/binfmt_misc/qemu-$a

	done

	echo

}

reload() {

	stop

	start

}

qemu_status() {

	if ls /proc/sys/fs/binfmt_misc/qemu-* &>/dev/null; then 

		echo $"qemu binary format handlers are registered."

		return 0

	else

		echo $"qemu binary format handlers are not registered."

		return 3

	fi

}

case "$1" in

	start)

		start

		;;

	stop)

		stop

		;;

	status)

		qemu_status

		RETVAL=$?

		;;

	restart)

		stop

		start

		;;

	condrestart)

		if qemu_status &>/dev/null; then

			stop

			start

		fi

		;;

	*)

		echo $"Usage: $prog {start|stop|status|restart|condrestart}"

		exit 1

esac

exit $RETVAL