2 files changed, 20 insertions, 2 deletions
diff --git a/src/sim/tlb.cc b/src/sim/tlb.cc
index de6779839..7292a69e0 100644
--- a/src/sim/tlb.cc
+++ b/src/sim/tlb.cc
@@ -48,3 +48,9 @@ GenericTLB::translate(RequestPtr req, ThreadContext * tc, bool)
         return NoFault;
 #endif
 }
+
+void
+GenericTLB::demapPage(Addr vaddr, uint64_t asn)
+{
+    warn("Demapping pages in the generic TLB is unnecessary.\n");
+}
diff --git a/src/sim/tlb.hh b/src/sim/tlb.hh
index b5e341185..011cc1144 100644
--- a/src/sim/tlb.hh
+++ b/src/sim/tlb.hh
@@ -39,13 +39,25 @@
 class ThreadContext;
 class Packet;
 
-class GenericTLB : public SimObject
+class BaseTLB : public SimObject
 {
   protected:
-    GenericTLB(const Params *p) : SimObject(p)
+    BaseTLB(const Params *p) : SimObject(p)
     {}
 
   public:
+    virtual void demapPage(Addr vaddr, uint64_t asn) = 0;
+};
+
+class GenericTLB : public BaseTLB
+{
+  protected:
+    GenericTLB(const Params *p) : BaseTLB(p)
+    {}
+
+  public:
+    void demapPage(Addr vaddr, uint64_t asn);
+
     Fault translate(RequestPtr req, ThreadContext *tc, bool=false);
 };