kernel=kernel
initrd=initrd
append="panic=1 console=ttyS0 udevtimeout=6000 no_timer_check printk.time=1 root=/dev/sda selinux=0"
+smp=
+tcg=
TEMP=`getopt \
- --long nested \
+ -o '' \
+ --longoptions 'help,nested,smp:,tcg' \
-n run-supernested.sh -- "$@"`
if [ $? != 0 ]; then
echo "$0: problem parsing the command line arguments"
fi
eval set -- "$TEMP"
+usage ()
+{
+ echo "$0: Run the supernested appliance."
+ echo " $0 [--smp=N] [--tcg]"
+ echo "Options:"
+ echo " --smp=N Use N virtual CPUs (at all levels)."
+ echo " --tcg Use TCG (at all levels) instead of KVM."
+}
+
while true ; do
case "$1" in
--nested)
format=raw
kernel=/kernel
initrd=/initrd
+ smp="$(
+ grep -Eo 'supernested.smp=[[:digit:]]+' /proc/cmdline |
+ grep -Eo '[[:digit:]]+'
+ )"
+ tcg=
+ if grep -q supernested.tcg=1 /proc/cmdline; then
+ tcg=1
+ fi
shift
;;
+ --smp)
+ smp="$2"
+ shift 2
+ ;;
+ --tcg)
+ tcg=1
+ shift
+ ;;
--help)
- echo "$0: read the README file for information about this script"
- shift
+ usage
+ exit 0
;;
--)
shift
+ break
;;
*)
echo "internal error ($1)"
if [ -z "$level" ]; then level=0; fi
append="$append supernested.level=$((level+1))"
+# Append other parameters to nested command line.
+append="$append supernested.smp=$smp supernested.tcg=$tcg"
+
+extra_args=
+if [ -n "$smp" ]; then extra_args="$extra_args -smp $smp"; fi
+if [ -n "$tcg" ]; then
+ extra_args="$extra_args -machine accel=tcg"
+else
+ extra_args="$extra_args -cpu host -machine accel=kvm"
+fi
+
+echo "Running"
+echo " qemu = $qemu"
+echo " extra_args = $extra_args"
+echo " memory = $memory"
+echo " kernel = $kernel"
+echo " initrd = $initrd"
+echo " disk = $image"
+echo " append = $append"
+
+# Since this could crash the machine, better to sync ...
+sync
+
exec \
"$qemu" \
- -cpu host \
- -machine accel=kvm \
+ $extra_args \
-display none \
-m $memory \
-no-reboot \