cpuid=`virt-what-cpuid-helper`
# Check for various products in the BIOS information.
+# Note that dmidecode doesn't exist on non-PC architectures. On these,
+# this will return an error which is ignored (error message redirected
+# into $dmi variable).
dmi=`LANG=C dmidecode 2>&1`
fi
# Check for VirtualPC.
-
-if echo "$dmi" | grep -q 'Manufacturer: Microsoft Corporation'; then
+# The negative check for cpuid is to distinguish this from Hyper-V
+# which also has the same manufacturer string in the SM-BIOS data.
+if [ "$cpuid" != "Microsoft Hv" ] &&
+ echo "$dmi" | grep -q 'Manufacturer: Microsoft Corporation'; then
echo virtualpc
fi
fi
fi
+# Check for Parallels.
+if echo "$dmi" | grep -q 'Vendor: Parallels'; then
+ echo parallels
+fi
+
# Check for Xen.
if [ "$cpuid" = "XenVMMXenVMM" ]; then
echo xen-domU
fi
is_xen=1
-elif [ -d $root/proc/xen ]; then
- # This directory can be present when Xen paravirt drivers are
- # installed, even on baremetal. Don't confuse people by
- # printing anything.
- :
+elif [ -f $root/sys/hypervisor/type ] &&
+ grep -q "xen" $root/sys/hypervisor/type; then
+ # Ordinary kernel with pv_ops. There does not seem to be
+ # enough information at present to tell whether this is dom0
+ # or domU. XXX
+ echo xen
fi
# Check for QEMU/KVM.