diff --git a/src/mem/slicc/symbols/Type.py b/src/mem/slicc/symbols/Type.py
--- a/src/mem/slicc/symbols/Type.py
+++ b/src/mem/slicc/symbols/Type.py
@@ -544,6 +544,29 @@
 }
 ''')
 
+            code('''
+inline MachineType
+ConvertGenericMachToMach(GenericMachineType genMachType)
+{
+''')
+            print self.symtab.find("GenericMachineType")
+            for (ident, enum) in self.symtab.find("GenericMachineType").enums.iteritems():
+                if ident in self.symtab.find("MachineType").enums:
+                    code('''
+      if (genMachType == GenericMachineType_${{ident}})
+          return MachineType_${{enum.ident}};
+''')
+                else:
+                    code('''
+      if (genMachType == GenericMachineType_${{ident}})
+          return MachineType_NUM;
+''')
+            code('''
+      panic("cannot convert to a MachineType");
+}
+''')
+
+
         if self.isStateDecl:
             code('''