ext: add the source code for DSENT

This patch adds a tool called DSENT to the ext/ directory.  DSENT
is a tool that models power and area for on-chip networks.  The next
patch adds a script for using the tool.

1 files changed, 43 insertions, 0 deletions

diff --git a/ext/dsent/libutil/Log.h b/ext/dsent/libutil/Log.h
new file mode 100644
index 000000000..9c759e702
--- /dev/null
+++ b/ext/dsent/libutil/Log.h
@@ -0,0 +1,43 @@
+#ifndef __LOG_H__
+#define __LOG_H__
+
+#include <cstdio>
+#include <iostream>
+#include <fstream>
+
+#include "String.h"
+
+#ifndef LIBUTIL_IS_LOG
+#define LIBUTIL_IS_LOG false
+#endif
+
+namespace LibUtil
+{
+    using std::cerr;
+
+    class Log
+    {
+        public:
+            static void allocate(const String& log_file_name_);
+            static void release();
+
+            static void print(const String& str_);
+            static void print(std::ostream& stream_, const String& str_);
+            static void printLine(const String& str_);
+            static void printLine(std::ostream& stream_, const String& str_);
+
+        protected:
+            static Log* msSingleton;
+            static const bool msIsLog;
+
+        protected:
+            Log(const String& log_file_name_);
+            ~Log();
+
+        protected:
+            std::ofstream ofs;
+    };
+}
+
+#endif // __LOG_H__
+