From e8ed7b1d1b5bef31e9874f679a5797c2e00d06f1 Mon Sep 17 00:00:00 2001
From: Nilay Vaish <nilay@cs.wisc.edu>
Date: Sat, 11 Oct 2014 15:02:23 -0500
Subject: 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.

---
 ext/dsent/model/std_cells/StdCell.h | 53 +++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 ext/dsent/model/std_cells/StdCell.h

(limited to 'ext/dsent/model/std_cells/StdCell.h')

diff --git a/ext/dsent/model/std_cells/StdCell.h b/ext/dsent/model/std_cells/StdCell.h
new file mode 100644
index 000000000..25a65768a
--- /dev/null
+++ b/ext/dsent/model/std_cells/StdCell.h
@@ -0,0 +1,53 @@
+#ifndef __DSENT_MODEL_STD_CELLS_STDCELL_H__
+#define __DSENT_MODEL_STD_CELLS_STDCELL_H__
+
+#include "util/CommonType.h"
+#include "model/ElectricalModel.h"
+
+namespace DSENT
+{
+    class StdCell : public ElectricalModel
+    {
+        public:
+            StdCell(const String& instance_name_, const TechModel* tech_model_);
+            virtual ~StdCell();
+
+        public:
+            // Set a list of parameters needed to construct model
+            virtual void initParameters();
+            // Set a list of properties needed to update model
+            virtual void initProperties();
+            
+            // Get PMOS to NMOS ratio
+            double getPToNRatio() const;
+            void setPToNRatio(double p_to_n_ratio_);
+            // Get height of the standard cell taken by active transistors
+            double getActiveHeight() const;
+            void setActiveHeight(double active_height_);
+            // Get total height of the standard cell including overheads
+            double getTotalHeight() const;
+            void setTotalHeight(double total_height_);
+
+            // Construct the full model of the standard cell and cache
+            // its contents to use for future copies of the standard cell
+            virtual void cacheStdCell(StdCellLib* cell_lib_, double drive_strength_) = 0;
+        
+        protected:
+            // Build the model, note that this is only available if the
+            // standard cell has been cached (via cacheStdCellModel)
+            virtual void constructModel() = 0;
+            virtual void updateModel() = 0;
+            
+        private:
+            // The PMOS to NMOS ratio
+            double m_p_to_n_ratio_;
+            // The height of the standard cell taken by active transitors
+            double m_active_height_;
+            // The total height of the standard cell including overheads
+            double m_total_height_;            
+        
+    }; // class StdCell
+} // namespace DSENT
+
+#endif // __DSENT_MODEL_STD_CELLS_STDCELL_H__
+
-- 
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