mem: Adding verbose debug output in the memory system

This patch provides useful printouts throughut the memory system. This
includes pretty-printed cache tags and function call messages
(call-stack like).

1 files changed, 19 insertions, 0 deletions

diff --git a/src/mem/cache/mshr.hh b/src/mem/cache/mshr.hh
index 87e561ac7..f99a293fd 100644
--- a/src/mem/cache/mshr.hh
+++ b/src/mem/cache/mshr.hh
@@ -1,4 +1,16 @@
 /*
+ * Copyright (c) 2012 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) 2002-2005 The Regents of The University of Michigan
  * All rights reserved.
  *
@@ -279,6 +291,13 @@ public:
     void print(std::ostream &os,
                int verbosity = 0,
                const std::string &prefix = "") const;
+    /**
+     * A no-args wrapper of print(std::ostream...)  meant to be
+     * invoked from DPRINTFs avoiding string overheads in fast mode
+     *
+     * @return string with mshr fields + [deferred]targets
+     */
+    std::string print() const;
 };
 
 #endif //__MSHR_HH__