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[tests.git] / system / template-qemu / qemu-start-node

diff --git a/system/template-qemu/qemu-start-node b/system/template-qemu/qemu-start-node
index f16e8aa..acaa0e6 100755 (executable)
--- a/system/template-qemu/qemu-start-node
+++ b/system/template-qemu/qemu-start-node
@@ -1,6 +1,8 @@
 #!/bin/bash
-# $Id$
 
+# Thierry Parmentelat <thierry.parmentelat@inria.fr>
+# Copyright (C) 2010 INRIA 
+#
 # it does the following:
 # (*) close all file descriptors and redirect output to log.txt 
 #     this is because it is designed for use through ssh from a remote test master controller
@@ -34,11 +36,19 @@ CONFIG=qemu.conf
 [ -f "$CONFIG" ] || { echo "Config file for qemu $CONFIG not found in $(pwd)" ; exit 1 ; }
 . $CONFIG
 
+# NOTE: check if the machine supports 64bits. We'll add -no-kqemu only
+# if it does. On 32bits host, qemu-system-x86_64 doesn't accept this
+# parameter (although it's there in the man page)
+function is_64bits () {
+    return $(cat /proc/cpuinfo | grep "^flags" | grep " lm " > /dev/null)
+}
+
+
 # the launcher, depending on target arch
 # make sure to check qemu-kill-node for consistency
 case $TARGET_ARCH in
     i386)              QEMU=qemu ; ARGS="" ;;
-    x86_64)            QEMU=qemu-system-x86_64 ; ARGS="" ;;
+    x86_64)            QEMU=qemu-system-x86_64 ; if is_64bits; then ARGS="-no-kqemu"; else ARGS=""; fi ;;
     *)                 echo "Cannot handle TARGET_ARCH=$TARGET_ARCH"; exit 1 ;;
 esac