3 files changed, 8 insertions, 4 deletions

diff --git a/scripts/envsetup.sh b/scripts/envsetup.sh
index ff78681..e912824 100755
--- a/scripts/envsetup.sh
+++ b/scripts/envsetup.sh
@@ -21,7 +21,7 @@ if [[ $SOURCED -ne 1 ]]; then
   exit 1
 fi
 
-METADIR="${SOURCEDIR}/../.."
+METADIR=${METADIR:-${SOURCEDIR}/../..}
 
 if [[ ! -f "${BUILDDIR}/conf/local.conf" ]]; then
   source "$METADIR/poky/oe-init-build-env" "$BUILDDIR"
diff --git a/scripts/qemucommand.py b/scripts/qemucommand.py
index 532e331..8b7da2b 100644
--- a/scripts/qemucommand.py
+++ b/scripts/qemucommand.py
@@ -2,7 +2,7 @@ from os.path import exists, join, realpath, abspath
 from os import listdir
 import random
 import socket
-from subprocess import check_output, CalledProcessError
+from subprocess import check_output
 
 EXTENSIONS = {
     'intel-corei7-64': 'wic',
@@ -68,6 +68,10 @@ class QemuCommand(object):
             self.mac_address = random_mac()
         self.serial_port = find_local_port(8990)
         self.ssh_port = find_local_port(2222)
+        if args.mem:
+            self.mem = args.mem
+        else:
+            self.mem = "1G"
         if args.kvm is None:
             # Autodetect KVM using 'kvm-ok'
             try:
@@ -95,7 +99,7 @@ class QemuCommand(object):
             cmdline += ["-drive", "file=%s,if=ide,format=raw,snapshot=on" % self.image]
         cmdline += [
             "-serial", "tcp:127.0.0.1:%d,server,nowait" % self.serial_port,
-            "-m", "1G",
+            "-m", self.mem,
             "-usb",
             "-object", "rng-random,id=rng0,filename=/dev/urandom",
             "-device", "virtio-rng-pci,rng=rng0",
@@ -131,4 +135,3 @@ class QemuCommand(object):
             "-f", "qcow2",
             self.overlay]
         return cmdline
-
diff --git a/scripts/run-qemu-ota b/scripts/run-qemu-ota
index b2f55e9..de63297 100755
--- a/scripts/run-qemu-ota
+++ b/scripts/run-qemu-ota
@@ -26,6 +26,7 @@ def main():
                            dest='kvm', action='store_true', default=None)
     kvm_group.add_argument('--no-kvm', help='Disable KVM in QEMU',
                            dest='kvm', action='store_false')
+    parser.add_argument('--mem', default=None, help="Amount of memory the machine boots with")
     parser.add_argument('--no-gui', help='Disable GUI', action='store_true')
     parser.add_argument('--gdb', help='Export gdbserver port 2159 from the image', action='store_true')
     parser.add_argument('--pcap', default=None, help='Dump all network traffic')