1 files changed, 14 insertions, 0 deletions
diff --git a/iutil.py b/iutil.py
index 4e31e528a..2e6a5ea7f 100644
--- a/iutil.py
+++ b/iutil.py
@@ -407,6 +407,20 @@ def isMactel():
             mactel = False
     return mactel
 
+efi = None
+def isEfi():
+    global efi
+    if efi is not None:
+        return efi
+
+    # XXX need to make sure efivars is loaded...
+    if not os.path.exists("/sys/firmware/efi"):
+        efi = False
+    else:
+        efi = True
+
+    return efi
+
 def cpuFeatureFlags():
     """Convenience function to get CPU feature flags from /proc/cpuinfo."""