M7350/oe-core/scripts/runqemu-internal
2024-09-09 08:52:07 +00:00

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#!/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="$mem_size"M
# Bug 433: qemuarm cannot use > 128 MB RAM
if [ "$MACHINE" = "qemuarm" ]; then
if [[ -z "$mem_size" || $mem_size -gt 128 ]]; then
echo "WARNING: qemuarm does not support > 128M of RAM."
echo "Changing QEMU_MEMORY to default of 128M."
QEMU_MEMORY="128M"
SCRIPT_QEMU_EXTRA_OPT=`echo $SCRIPT_QEMU_EXTRA_OPT | sed -e "s/$mem_set/-m 128/" `
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`
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 $GROUPID $OECORE_NATIVE_SYSROOT 2> /dev/null`
if [ $? -ne 0 ]; then
# Re-run standalone to see verbose errors
sudo $QEMUIFUP $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 $ROOTFS doesn't exist"
cleanup
return
fi
KERNCMDLINE="root=/dev/nfs console=ttyS0 nfsroot=$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 $QEMUBIN | grep -i nvidia &> /dev/null
then
cat << EOM
WARNING: nVidia proprietary OpenGL libraries detected.
nVidia's OpenGL libraries are known to have compatibility issues with qemu,
resulting in a segfault. Please uninstall these drivers or ensure the mesa libGL
libraries precede nvidia's via LD_PRELOAD(Already do it on Ubuntu).
EOM
# Automatically use Ubuntu system's mesa libGL, other distro can add its own path
if grep -i ubuntu /etc/lsb-release &> /dev/null
then
GL_PATH=""
if test -e /usr/lib/libGL.so
then
GL_PATH="/usr/lib/libGL.so"
elif test -e /usr/lib/x86_64-linux-gnu/libGL.so
then
GL_PATH="/usr/lib/x86_64-linux-gnu/libGL.so"
fi
echo "Skip nVidia's libGL on Ubuntu!"
GL_LD_PRELOAD="$GL_PATH $LD_PRELOAD"
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