test/run-qemu

   1 #!/bin/bash
   2 # Check which virtualization technology to use
   3 # We prefer kvm, kqemu, userspace in that order.
   4 export PATH=/sbin:/bin:/usr/sbin:/usr/bin
   5
   6 [[ -x /usr/bin/qemu ]] && BIN=/usr/bin/qemu && ARGS=""
   7 $(lsmod | grep -q '^kqemu ') && BIN=/usr/bin/qemu && ARGS="-kernel-kqemu "
   8 [[ -c /dev/kvm && -x /usr/bin/kvm ]] && BIN=/usr/bin/kvm && ARGS=""
   9 [[ -c /dev/kvm && -x /usr/bin/qemu-kvm ]] && BIN=/usr/bin/qemu-kvm && ARGS=""
  10 [[ -c /dev/kvm && -x /usr/libexec/qemu-kvm ]] && BIN=/usr/libexec/qemu-kvm && ARGS=""
  11 [[ -x /usr/bin/qemu-system-$(uname -i) ]] && BIN=/usr/bin/qemu-system-$(uname -i) && ARGS=""
  12 [[ -c /dev/kvm && -x /usr/bin/qemu-system-$(uname -i) ]] && BIN=/usr/bin/qemu-system-$(uname -i) && ARGS="-enable-kvm"
  13
  14 [[ $BIN ]] || {
  15    echo "Could not find a working KVM or QEMU to test with!" >&2
  16    echo "Please install kvm or qemu." >&2
  17    exit 1
  18 }
  19
  20 KVERSION=${KVERSION-$(uname -r)}
  21
  22 VMLINUZ="/lib/modules/${KVERSION}/vmlinuz"
  23
  24 if ! [ -f "$VMLINUZ" ]; then
  25     [[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id
  26
  27     if [[ $MACHINE_ID ]] && ( [[ -d /boot/${MACHINE_ID} ]] || [[ -L /boot/${MACHINE_ID} ]] ); then
  28         VMLINUZ="/boot/${MACHINE_ID}/$KVERSION/linux"
  29     else
  30         VMLINUZ="/boot/vmlinuz-${KVERSION}"
  31     fi
  32 fi
  33
  34 exec sudo $BIN $ARGS -kernel $VMLINUZ -cpu host "$@"