c1aecc05e6
This patch extensively modifies DSENT so that it can be accessed using Python. To access the Python interface, DSENT needs to compiled as a shared library. For this purpose a CMakeLists.txt file has been added. Some of the code that is not required is being removed.
96 lines
4.6 KiB
C++
96 lines
4.6 KiB
C++
/* Copyright (c) 2012 Massachusetts Institute of Technology
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef __DSENT_TECH_TECH_MODEL_H__
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#define __DSENT_TECH_TECH_MODEL_H__
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#include <vector>
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#include <set>
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#include "libutil/Config.h"
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#include "libutil/String.h"
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namespace DSENT
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{
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class StdCellLib;
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using std::set;
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using std::vector;
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using LibUtil::String;
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class TechModel
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{
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public:
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typedef std::set<String>::const_iterator ConstWireLayerIterator;
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public:
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TechModel();
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virtual ~TechModel();
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public:
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// Get the value_ corresponding to the key_
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const String& get(const String& key_) const;
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// Set the pointer to a standard cell library
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void setStdCellLib(const StdCellLib* std_cell_lib_);
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// Get the pointer to the standard cell library
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const StdCellLib* getStdCellLib() const;
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// Return a cloned copy of this instance
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virtual TechModel* clone() const;
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// Override readFile function to include multiple technology files
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virtual void readFile(const String& filename_);
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// Transistor
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// Returns the leakage current of NMOS transistors, given the transistor stakcing, transistor widths, and input combination
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double calculateNmosLeakageCurrent(unsigned int num_stacks_, double uni_stacked_mos_width_, unsigned int input_vector_) const;
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double calculateNmosLeakageCurrent(unsigned int num_stacks_, const vector<double>& stacked_mos_widths_, unsigned int input_vector_) const;
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// Returns the leakage current of PMOS transistors, given the transistor stakcing, transistor widths, and input combination
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double calculatePmosLeakageCurrent(unsigned int num_stacks_, double uni_stacked_mos_width_, unsigned int input_vector_) const;
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double calculatePmosLeakageCurrent(unsigned int num_stacks_, const vector<double>& stacked_mos_widths_, unsigned int input_vector_) const;
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// Returns the leakage current, given the transistor stakcing, transistor widths, input combination,
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// and technology information (vdd, subthreshold swing, subthreshold dibl swing)
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double calculateLeakageCurrentFactor(unsigned int num_stacks_, const vector<double>& stacked_mos_widths_, unsigned int input_vector_, double vdd_, double subthreshold_swing_, double dibl_swing_) const;
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// Wire
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// Check if the wire layer exist
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bool isWireLayerExist(const String& layer_name_) const;
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const std::set<String>* getAvailableWireLayers() const;
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// Return wire capacitance for given wire layer, wire width, wire spacing, and wire length
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double calculateWireCapacitance(const String& layer_name_, double width_, double spacing_, double length_) const;
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// Return wire resistance for given wire layer, wire width, and wire length
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double calculateWireResistance(const String& layer_name_, double width_, double length_) const;
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private:
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// Private copy constructor. Use clone to perform copy operation
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TechModel(const TechModel& tech_model_);
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private:
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// A pointer to a standard cell library
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const StdCellLib* m_std_cell_lib_;
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// A set of available wire layers
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std::set<String>* m_available_wire_layers_;
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// A map of model's parameters
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std::map<String, String> params;
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}; // class TechModel
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} // namespace DSENT
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#endif // __DSENT_TECH_TECH_MODEL_H__
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