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, 29 insertions, 0 deletions

diff --git a/ext/dsent/libutil/Exception.h b/ext/dsent/libutil/Exception.h
new file mode 100644
index 000000000..88d68cce2
--- /dev/null
+++ b/ext/dsent/libutil/Exception.h
@@ -0,0 +1,29 @@
+#ifndef __EXCEPTION_H__
+#define __EXCEPTION_H__
+
+#include <exception>
+
+#include "String.h"
+
+namespace LibUtil
+{
+    using std::exception;
+
+    // Exception class handles the all exception messages in the program
+    class Exception : public exception
+    {
+        public:
+            // All constructors/destructors/functions in this class don't throw any events
+            Exception(const String& exception_msg_) throw();
+            ~Exception() throw();
+
+            // Derived from std::exception class that returns a null-terminated char string
+            const char* what() const throw();
+
+        private:
+            String mExceptionMsg;
+    };
+}
+
+#endif // __EXCEPTION_H__
+