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