diff --git a/src/arch/generic/types.hh b/src/arch/generic/types.hh
index f981e18..76df835 100644
--- a/src/arch/generic/types.hh
+++ b/src/arch/generic/types.hh
@@ -1,4 +1,16 @@
 /*
+ * Copyright (c) 2020 ARM Limited
+ * All rights reserved
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder.  You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
  * Copyright (c) 2010 Gabe Black
  * All rights reserved.
  *
@@ -247,6 +259,14 @@
         _nupc = 1;
     }
 
+    // Reset the macroop's upc without advancing the regular pc.
+    void
+    uReset()
+    {
+        _upc = 0;
+        _nupc = 1;
+    }
+
     bool
     operator == (const UPCState<MachInst> &opc) const
     {