Limit memory to 30000MB for ARM mach_virt.

[supernested.git] / run-supernested.sh.in

diff --git a/run-supernested.sh.in b/run-supernested.sh.in
index eac3d9b..445f960 100644 (file)
--- a/run-supernested.sh.in
+++ b/run-supernested.sh.in
@@ -19,17 +19,28 @@
 #
 # Written by Richard W.M. Jones <rjones@redhat.com>
 
+arch="@host_cpu@"
 qemu="@QEMU@"
 image="supernested-@VERSION@-@DISTRO@.qcow2"
 format=qcow2
 kernel=kernel
 initrd=initrd
-append="panic=1 console=ttyS0 udevtimeout=6000 no_timer_check printk.time=1 root=/dev/sda selinux=0"
+append="panic=1 udevtimeout=6000 udev.event-timeout=6000 no_timer_check printk.time=1 root=/dev/sda selinux=0"
 smp=
+tcg=
+
+case "$arch" in
+    aarch64)
+       append="$append earlyprintk=pl011,0x9000000 ignore_loglevel efi-rtc=noprobe"
+       ;;
+    *)
+       append="$append console=ttyS0"
+       ;;
+esac
 
 TEMP=`getopt \
         -o '' \
-        --longoptions 'help,nested,smp:' \
+        --longoptions 'help,nested,smp:,tcg' \
         -n run-supernested.sh -- "$@"`
 if [ $? != 0 ]; then
     echo "$0: problem parsing the command line arguments"
@@ -40,9 +51,10 @@ eval set -- "$TEMP"
 usage ()
 {
     echo "$0: Run the supernested appliance."
-    echo "  $0 [--smp=N]"
+    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
@@ -58,14 +70,20 @@ while true ; do
                 grep -Eo 'supernested.smp=[[:digit:]]+' /proc/cmdline |
                 grep -Eo '[[:digit:]]+'
                 )"
-           if [ -n "$smp" ]; then smp="-smp $smp"; fi
+           tcg=
+           if grep -q supernested.tcg=1 /proc/cmdline; then
+               tcg=1
+           fi
             shift
             ;;
        --smp)
-           smp="-smp $2"
-           append="$append supernested.smp=$2"
+           smp="$2"
            shift 2
            ;;
+       --tcg)
+           tcg=1
+           shift
+           ;;
         --help)
            usage
            exit 0
@@ -97,6 +115,17 @@ if [ $memory -lt 2048 ]; then
 fi
 memory=$((memory - 1500))
 
+# ARM mach_virt (-M virt) model only supports 30GB of RAM.
+if [ $memory -gt 30000 ]; then
+    case "$arch" in
+       arm*|aarch64)
+           echo "$0: limiting memory to 30000 MB for ARM mach_virt"
+           memory=30000
+           ;;
+       *)
+    esac
+fi
+
 # Get current nesting level from /proc/cmdline, increment it, add it
 # to the command line.
 level="$(
@@ -106,9 +135,20 @@ level="$(
 if [ -z "$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 "    smp = $smp"
+echo "    extra_args = $extra_args"
 echo "    memory = $memory"
 echo "    kernel = $kernel"
 echo "    initrd = $initrd"
@@ -120,9 +160,7 @@ sync
 
 exec \
 "$qemu" \
-    -cpu host \
-    -machine accel=kvm \
-    $smp \
+    $extra_args \
     -display none \
     -m $memory \
     -no-reboot \