poky/scripts/runqemu-internal

#!/bin/bash -x

Handle running OE images under qemu

Copyright (C) 2006-2011 Linux Foundation

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License version 2 as

published by the Free Software Foundation.

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.,

51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

Call setting:

QEMU_MEMORY (optional) - set the amount of memory in the emualted system.

SERIAL_LOGFILE (optional) - log the serial port output to a file

CROSSPATH - the path to any cross toolchain to use with distcc

Image options:

MACHINE - the machine to run

FSTYPE - the image type to run

KERNEL - the kernel image file to use

ROOTFS - the disk image file to use

mem_size=-1

#Get rid of <> and get the contents of extra qemu running params SCRIPT_QEMU_EXTRA_OPT=echo $SCRIPT_QEMU_EXTRA_OPT | sed -e 's/<//' -e 's/>//' #if user set qemu memory, eg: -m 256 in qemu extra params, we need to do some

validation check

mem_set=expr "$SCRIPT_QEMU_EXTRA_OPT" : '.*\(-m[[:space:]] *[0-9]*\)' if [ ! -z "$mem_set" ] ; then #Get memory setting size from user input mem_size=echo $mem_set | sed 's/-m[[:space:]] *//' else case "$MACHINE" in "qemux86") mem_size=128 ;; "qemux86-64") mem_size=128 ;; "qemuarm") mem_size=128 ;; "qemumips") mem_size=128 ;; "qemuppc") mem_size=128 ;; *) mem_size=64 ;; esac

fi

QEMU_MEMORY has 'M' appended to mem_size

QEMU_MEMORY="$mem_size"M

Bug 433: qemuarm cannot use > 256 MB RAM

if [ "$MACHINE" = "qemuarm" ]; then if -z "$mem_size" ; then echo "WARNING: qemuarm does not support > 256M of RAM." echo "Changing QEMU_MEMORY to default of 256M." QEMU_MEMORY="256M" mem_size="256" SCRIPT_QEMU_EXTRA_OPT=echo $SCRIPT_QEMU_EXTRA_OPT | sed -e "s/$mem_set/-m 256/" fi fi

We need to specify -m <mem_size> to overcome a bug in qemu 0.14.0

https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/584480

if [ -z "$mem_set" ] ; then SCRIPT_QEMU_EXTRA_OPT="$SCRIPT_QEMU_EXTRA_OPT -m $mem_size" fi

This file is created when runqemu-gen-tapdevs creates a bank of tap

devices, indicating that the user should not bring up new ones using

sudo.

NOSUDO_FLAG="/etc/runqemu-nosudo"

QEMUIFUP=which runqemu-ifup 2> /dev/null QEMUIFDOWN=which runqemu-ifdown 2> /dev/null if [ -z "$QEMUIFUP" -o ! -x "$QEMUIFUP" ]; then echo "runqemu-ifup cannot be found or executed" exit 1 fi if [ -z "$QEMUIFDOWN" -o ! -x "$QEMUIFDOWN" ]; then echo "runqemu-ifdown cannot be found or executed" exit 1 fi

NFSRUNNING="false"

acquire_lock() { lockfile=$1 if [ -z "$lockfile" ]; then echo "Error: missing lockfile arg passed to acquire_lock()" return 1 fi

if [ -e "$lockfile.lock" ]; then
    # Check that the lockfile is not stale
    ps=`ps -ewwo pid | grep $(cat $lockfile.lock)`
    if [ -z "$ps" ]; then
        echo "WARNING: Stale lock file detected, deleting $lockfile.lock."
        rm -f $lockfile.lock
        echo $$ > $lockfile.lock
    else
        return 1
    fi
else
    echo $$ > $lockfile.lock
fi

return 0

}

release_lock() { lockfile=$1 if [ -z "$lockfile" ]; then echo "Error: missing lockfile arg passed to release_lock()" return 1 fi

rm -f $lockfile.lock

}

LOCKDIR="/tmp/qemu-tap-locks" if [ ! -d "$LOCKDIR" ]; then mkdir $LOCKDIR chmod 777 $LOCKDIR fi

IFCONFIG=which ifconfig 2> /dev/null if [ -z "$IFCONFIG" ]; then IFCONFIG=/sbin/ifconfig fi if [ ! -x "$IFCONFIG" ]; then echo "$IFCONFIG cannot be executed" exit 1 fi

POSSIBLE=$IFCONFIG -a | grep '^tap' | awk '{print $1}' TAP="" LOCKFILE="" for tap in $POSSIBLE; do LOCKFILE="$LOCKDIR/$tap" echo "Acquiring lockfile for $tap..." acquire_lock $LOCKFILE if [ $? -eq 0 ]; then TAP=$tap break fi done

if [ "$TAP" = "" ]; then if [ -e "$NOSUDO_FLAG" ]; then echo "Error: There are no available tap devices to use for networking," echo "and I see $NOSUDO_FLAG exists, so I am not going to try creating" echo "a new one with sudo." exit 1 fi

GROUPID=`id -g`
USERID=`id -u`
echo "Setting up tap interface under sudo"
# Redirect stderr since we could see a LD_PRELOAD warning here if pseudo is loaded
# but inactive. This looks scary but is harmless
tap=`sudo $QEMUIFUP $USERID $GROUPID $OECORE_NATIVE_SYSROOT 2> /dev/null`
if [ $? -ne 0 ]; then
    # Re-run standalone to see verbose errors
    sudo $QEMUIFUP $USERID $GROUPID $OECORE_NATIVE_SYSROOT
    return
fi
LOCKFILE="$LOCKDIR/$tap"
echo "Acquiring lockfile for $tap..."
acquire_lock $LOCKFILE
if [ $? -eq 0 ]; then
    TAP=$tap
fi 

else echo "Using preconfigured tap device '$TAP'" fi

cleanup() { if [ ! -e "$NOSUDO_FLAG" ]; then # Redirect stderr since we could see a LD_PRELOAD warning here if pseudo is loaded # but inactive. This looks scary but is harmless sudo $QEMUIFDOWN $TAP $OECORE_NATIVE_SYSROOT 2> /dev/null fi echo "Releasing lockfile of preconfigured tap device '$TAP'" release_lock $LOCKFILE

if [ "$NFSRUNNING" = "true" ]; then
    echo "Shutting down the userspace NFS server..."
    echo "runqemu-export-rootfs stop $ROOTFS"
    runqemu-export-rootfs stop $ROOTFS
fi
# If QEMU crashes or somehow tty properties are not restored
# after qemu exits, we need to run stty sane
stty sane

}

n1=$[ (echo $TAP | sed 's/tap//' * 2) + 1 ] n2=$[ (echo $TAP | sed 's/tap//' * 2) + 2 ]

KERNEL_NETWORK_CMD="ip=192.168.7.$n2::192.168.7.$n1:255.255.255.0" QEMU_TAP_CMD="-net tap,vlan=0,ifname=$TAP,script=no,downscript=no" QEMU_NETWORK_CMD="-net nic,vlan=0 $QEMU_TAP_CMD" KERNCMDLINE="mem=$QEMU_MEMORY" QEMU_UI_OPTIONS="-show-cursor -usb -usbdevice wacom-tablet"

NFS_INSTANCE=echo $TAP | sed 's/tap//' export NFS_INSTANCE

SERIALOPTS="" if [ "x$SERIAL_LOGFILE" != "x" ]; then SERIALOPTS="-serial file:$SERIAL_LOGFILE" fi

case "$MACHINE" in "qemuarm") ;; "qemumips") ;; "qemuppc") ;; "qemuarmv6") ;; "qemuarmv7") ;; "qemux86") ;; "qemux86-64") ;; "akita") ;; "spitz") ;; *) echo "Error: Unsupported machine type $MACHINE" return ;; esac

if [ ! -f "$KERNEL" ]; then echo "Error: Kernel image file $KERNEL doesn't exist" cleanup return fi

if [ "$FSTYPE" != "nfs" -a ! -f "$ROOTFS" ]; then echo "Error: Image file $ROOTFS doesn't exist" cleanup return fi

if [ "$FSTYPE" = "nfs" ]; then NFS_SERVER="192.168.7.1" NFS_DIR=echo $ROOTFS | sed 's/^[^:]*:\(.*\)/\1/' MOUNTD_RPCPORT=$[ 21111 + $NFS_INSTANCE ] NFSD_RPCPORT=$[ 11111 + $NFS_INSTANCE ] NFSD_PORT=$[ 3049 + $NFS_INSTANCE ] MOUNTD_PORT=$[ 3048 + $NFS_INSTANCE ] UNFS_OPTS="nfsvers=2,mountprog=$MOUNTD_RPCPORT,nfsprog=$NFSD_RPCPORT,udp,port=$NFSD_PORT,mountport=$MOUNTD_PORT"

PSEUDO_LOCALSTATEDIR=~/.runqemu-sdk/pseudo
export PSEUDO_LOCALSTATEDIR

# Start the userspace NFS server
echo "runqemu-export-rootfs restart $ROOTFS"
runqemu-export-rootfs restart $ROOTFS
if [ $? != 0 ]; then
    cleanup
    return
fi
NFSRUNNING="true"

fi

if [ "$NFS_SERVER" = "" ]; then NFS_SERVER="192.168.7.1" NFS_DIR=$ROOTFS fi

if [ "$MACHINE" = "qemuarm" -o "$MACHINE" = "qemuarmv6" -o "$MACHINE" = "qemuarmv7" ]; then QEMU=qemu-system-arm MACHINE_SUBTYPE=versatilepb QEMU_UI_OPTIONS="$QEMU_UI_OPTIONS" # QEMU_UI_OPTIONS="$QEMU_UI_OPTIONS -force-pointer" if [ "$FSTYPE" = "ext3" -o "$FSTYPE" = "btrfs" ]; then KERNCMDLINE="root=/dev/sda rw console=ttyAMA0,115200 console=tty $KERNEL_NETWORK_CMD mem=$QEMU_MEMORY highres=off" QEMUOPTIONS="$QEMU_NETWORK_CMD -M versatilepb -hda $ROOTFS -no-reboot $QEMU_UI_OPTIONS" fi if [ "$FSTYPE" = "nfs" ]; then if [ "$NFS_SERVER" = "192.168.7.1" -a ! -d "$NFS_DIR" ]; then echo "Error: NFS mount point $ROOTFS doesn't exist" cleanup return fi KERNCMDLINE="root=/dev/nfs nfsroot=$NFS_SERVER:$NFS_DIR,$UNFS_OPTS rw $KERNEL_NETWORK_CMD mem=$QEMU_MEMORY" QEMUOPTIONS="$QEMU_NETWORK_CMD -M versatilepb --no-reboot $QEMU_UI_OPTIONS" fi if [ "$MACHINE" = "qemuarmv6" ]; then QEMUOPTIONS="$QEMUOPTIONS -cpu arm1136" fi if [ "$MACHINE" = "qemuarmv7" ]; then QEMUOPTIONS="$QEMUOPTIONS -cpu cortex-a8" fi fi

if [ "$MACHINE" = "qemux86" ]; then QEMU=qemu QEMU_UI_OPTIONS="$QEMU_UI_OPTIONS -vga vmware -enable-gl" if [ "$FSTYPE" = "ext3" -o "$FSTYPE" = "btrfs" ]; then KERNCMDLINE="vga=0 root=/dev/hda rw mem=$QEMU_MEMORY $KERNEL_NETWORK_CMD" QEMUOPTIONS="$QEMU_NETWORK_CMD -hda $ROOTFS $QEMU_UI_OPTIONS" fi if [ "$FSTYPE" = "nfs" ]; then if [ "$NFS_SERVER" = "192.168.7.1" -a ! -d "$NFS_DIR" ]; then echo "Error: NFS mount point $ROOTFS doesn't exist." cleanup return fi KERNCMDLINE="root=/dev/nfs nfsroot=$NFS_SERVER:$NFS_DIR,$UNFS_OPTS rw $KERNEL_NETWORK_CMD mem=$QEMU_MEMORY" QEMUOPTIONS="$QEMU_NETWORK_CMD $QEMU_UI_OPTIONS" fi # Currently oprofile's event based interrupt mode doesn't work(Bug #828) in # qemux86 and qemux86-64. We can use timer interrupt mode for now. KERNCMDLINE="$KERNCMDLINE oprofile.timer=1" fi

if [ "$MACHINE" = "qemux86-64" ]; then QEMU=qemu-system-x86_64 QEMU_UI_OPTIONS="$QEMU_UI_OPTIONS -vga vmware -enable-gl" if [ "$FSTYPE" = "ext3" -o "$FSTYPE" = "btrfs" ]; then KERNCMDLINE="vga=0 root=/dev/hda rw mem=$QEMU_MEMORY $KERNEL_NETWORK_CMD" QEMUOPTIONS="$QEMU_NETWORK_CMD -hda $ROOTFS $QEMU_UI_OPTIONS" fi if [ "$FSTYPE" = "nfs" ]; then if [ "x$ROOTFS" = "x" ]; then ROOTFS=/srv/nfs/qemux86-64 fi if [ ! -d "$ROOTFS" ]; then echo "Error: NFS mount point $ROOTFS doesn't exist." cleanup return fi KERNCMDLINE="root=/dev/nfs nfsroot=$NFS_SERVER:$NFS_DIR,$UNFS_OPTS rw $KERNEL_NETWORK_CMD mem=$QEMU_MEMORY" QEMUOPTIONS="$QEMU_NETWORK_CMD $QEMU_UI_OPTIONS" fi # Currently oprofile's event based interrupt mode doesn't work(Bug #828) in # qemux86 and qemux86-64. We can use timer interrupt mode for now. KERNCMDLINE="$KERNCMDLINE oprofile.timer=1" fi

if [ "$MACHINE" = "spitz" ]; then QEMU=qemu-system-arm if [ "$FSTYPE" = "ext3" -o "$FSTYPE" = "btrfs" ]; then echo $ROOTFS ROOTFS=readlink -f $ROOTFS echo $ROOTFS if [ ! -e "$ROOTFS.qemudisk" ]; then echo "Adding a partition table to the ext3 image for use by QEMU, please wait..." runqemu-addptable2image $ROOTFS $ROOTFS.qemudisk fi QEMUOPTIONS="$QEMU_NETWORK_CMD -M spitz -hda $ROOTFS.qemudisk -portrait" fi fi

if [ "$MACHINE" = "qemumips" ]; then QEMU=qemu-system-mips MACHINE_SUBTYPE=malta QEMU_UI_OPTIONS="-vga cirrus $QEMU_UI_OPTIONS" if [ "$FSTYPE" = "ext3" -o "$FSTYPE" = "btrfs" ]; then #KERNCMDLINE="root=/dev/hda console=ttyS0 console=tty0 $KERNEL_NETWORK_CMD mem=$QEMU_MEMORY" KERNCMDLINE="root=/dev/hda rw console=ttyS0 console=tty $KERNEL_NETWORK_CMD mem=$QEMU_MEMORY" QEMUOPTIONS="$QEMU_NETWORK_CMD -M $MACHINE_SUBTYPE -hda $ROOTFS -no-reboot $QEMU_UI_OPTIONS" fi if [ "$FSTYPE" = "nfs" ]; then if [ "$NFS_SERVER" = "192.168.7.1" -a ! -d "$NFS_DIR" ]; then echo "Error: NFS mount point $ROOTFS doesn't exist" cleanup return fi KERNCMDLINE="root=/dev/nfs console=ttyS0 console=tty nfsroot=$NFS_SERVER:$NFS_DIR,$UNFS_OPTS rw $KERNEL_NETWORK_CMD mem=$QEMU_MEMORY" QEMUOPTIONS="$QEMU_NETWORK_CMD -M $MACHINE_SUBTYPE -no-reboot $QEMU_UI_OPTIONS" fi fi

if [ "$MACHINE" = "qemuppc" ]; then QEMU=qemu-system-ppc MACHINE_SUBTYPE=mac99 CPU_SUBTYPE=G4 QEMU_UI_OPTIONS="$QEMU_UI_OPTIONS" QEMU_NETWORK_CMD="-net nic,model=pcnet $QEMU_TAP_CMD" if [ "$FSTYPE" = "ext3" -o "$FSTYPE" = "btrfs" ]; then KERNCMDLINE="root=/dev/hda rw console=ttyS0 console=tty $KERNEL_NETWORK_CMD mem=$QEMU_MEMORY" QEMUOPTIONS="$QEMU_NETWORK_CMD -cpu $CPU_SUBTYPE -M $MACHINE_SUBTYPE -hda $ROOTFS -no-reboot $QEMU_UI_OPTIONS" fi if [ "$FSTYPE" = "nfs" ]; then if [ "$NFS_SERVER" = "192.168.7.1" -a ! -d "$NFS_DIR" ]; then echo "Error: NFS mount point $ROOTFS doesn't exist" cleanup return fi KERNCMDLINE="root=/dev/nfs console=ttyS0 console=tty nfsroot=$NFS_SERVER:$NFS_DIR,$UNFS_OPTS rw $KERNEL_NETWORK_CMD mem=$QEMU_MEMORY" QEMUOPTIONS="$QEMU_NETWORK_CMD -cpu $CPU_SUBTYPE -M $MACHINE_SUBTYPE -no-reboot $QEMU_UI_OPTIONS" fi fi

if [ "$MACHINE" = "akita" ]; then QEMU=qemu-system-arm if [ "$FSTYPE" = "jffs2" ]; then ROOTFS=readlink -f $ROOTFS if [ ! -e "$ROOTFS.qemuflash" ]; then echo "Converting raw image into flash image format for use by QEMU, please wait..." raw2flash.akita < $ROOTFS > $ROOTFS.qemuflash fi QEMUOPTIONS="$QEMU_NETWORK_CMD -M akita -mtdblock $ROOTFS.qemuflash -portrait" fi fi

if [ "x$QEMUOPTIONS" = "x" ]; then echo "Error: Unable to support this combination of options" cleanup return fi

PATH=$CROSSPATH:$OECORE_NATIVE_SYSROOT/usr/bin:$PATH

QEMUBIN=which $QEMU 2> /dev/null if [ ! -x "$QEMUBIN" ]; then echo "Error: No QEMU binary '$QEMU' could be found." cleanup return fi

function _quit() { if [ -n "$PIDFILE" ]; then #echo kill cat $PIDFILE kill cat $PIDFILE fi cleanup return }

DISTCCD=which distccd 2> /dev/null PIDFILE=""

trap _quit INT TERM QUIT

if [ -x "$DISTCCD" ]; then echo "Starting distccd..." PIDFILE=mktemp $DISTCCD --allow 192.168.7.2 --daemon --pid-file $PIDFILE & else echo "WARNING: distccd not present, no distcc support loaded." fi

qemu got segfault if linked with nVidia's libgl

GL_LD_PRELOAD=$LD_PRELOAD

if ldd $QEMUBIN | grep -i nvidia &> /dev/null then cat << EOM WARNING: nVidia proprietary OpenGL libraries detected. nVidia's OpenGL libraries are known to have compatibility issues with qemu, resulting in a segfault. Please uninstall these drivers or ensure the mesa libGL libraries precede nvidia's via LD_PRELOAD(Already do it on Ubuntu 10). EOM

Automatically use Ubuntu system's mesa libGL, other distro can add its own path

if grep -i ubuntu /etc/lsb-release &> /dev/null then # precede nvidia's driver on Ubuntu 10 UBUNTU_MAIN_VERSION=cat /etc/lsb-release |grep DISTRIB_RELEASE |cut -d= -f 2| cut -d. -f 1 if [ $UBUNTU_MAIN_VERSION -eq 10 ]; then GL_PATH="" if test -e /usr/lib/libGL.so then GL_PATH="/usr/lib/libGL.so" elif test -e /usr/lib/x86_64-linux-gnu/libGL.so then GL_PATH="/usr/lib/x86_64-linux-gnu/libGL.so" fi

    echo "Skip nVidia's libGL on Ubuntu 10!"
    GL_LD_PRELOAD="$GL_PATH $LD_PRELOAD"
fi

fi fi

echo "Running $QEMU..."

-no-reboot is a mandatory option - see bug #100

echo $QEMUBIN -kernel $KERNEL $QEMUOPTIONS $SERIALOPTS -no-reboot $SCRIPT_QEMU_OPT $SCRIPT_QEMU_EXTRA_OPT --append '"'$KERNCMDLINE $SCRIPT_KERNEL_OPT'"' LD_PRELOAD="$GL_LD_PRELOAD" $QEMUBIN -kernel $KERNEL $QEMUOPTIONS $SERIALOPTS -no-reboot $SCRIPT_QEMU_OPT $SCRIPT_QEMU_EXTRA_OPT --append "$KERNCMDLINE $SCRIPT_KERNEL_OPT"

cleanup

trap - INT TERM QUIT return