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, 37 insertions, 0 deletions

diff --git a/ext/dsent/model/PortInfo.h b/ext/dsent/model/PortInfo.h
new file mode 100644
index 000000000..68cd5dc19
--- /dev/null
+++ b/ext/dsent/model/PortInfo.h
@@ -0,0 +1,37 @@
+#ifndef __DSENT_MODEL_PORT_INFO_H__
+#define __DSENT_MODEL_PORT_INFO_H__
+
+#include "util/CommonType.h"
+#include "model/ElectricalModel.h"
+#include "model/TransitionInfo.h"
+
+namespace DSENT
+{
+    class PortInfo
+    {
+        public:
+            PortInfo(const String& port_name_, const NetIndex& net_index_ = NetIndex(0, 0));
+            ~PortInfo();
+
+        public:
+            // Get the port name
+            const String& getPortName() const;
+            // Get the net index
+            const NetIndex& getNetIndex() const;
+            // Set the transition information of this port
+            void setTransitionInfo(const TransitionInfo& trans_info_);
+            // Get the transition information of this port
+            const TransitionInfo& getTransitionInfo() const;
+
+        private:
+            // Name of this port
+            String m_port_name_;
+            // Net index of the input port
+            NetIndex m_net_index_;
+            // Store the transition information of this port
+            TransitionInfo m_tran_info_;
+    }; // class PortInfo
+} // namespace DSENT
+
+#endif // __DSENT_MODEL_PORT_INFO_H__
+