Add functional PrintReq command for memory-system debugging.

--HG--
extra : convert_revision : 73b753e57c355b7e6873f047ddc8cb371c3136b7

src/cpu/memtest/memtest.cc

@@ -399,3 +399,10 @@ MemTestParams::create()
 {
     return new MemTest(this);
 }
+
+
+void
+MemTest::printAddr(Addr a)
+{
+    cachePort.printAddr(a);
+}

src/cpu/memtest/memtest.hh

@@ -62,6 +62,8 @@ class MemTest : public MemObject
 
     virtual Port *getPort(const std::string &if_name, int idx = -1);
 
+    void printAddr(Addr a);
+
   protected:
     class TickEvent : public Event
     {