gem5/ext/dsent/model/timing_graph/ElectricalDriver.h

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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_MODEL_ELECTRICAL_DRIVER_H__
#define __DSENT_MODEL_ELECTRICAL_DRIVER_H__
#include "util/CommonType.h"
#include "model/timing_graph/ElectricalTimingNode.h"
namespace DSENT
{
class ElectricalModel;
class ElectricalDriver : public ElectricalTimingNode
{
public:
ElectricalDriver(const String& instance_name_, ElectricalModel* model_, bool sizable_);
virtual ~ElectricalDriver();
public:
// Set the output resistance of this driver
void setOutputRes(double output_res_);
// Get the output resistance of this driver
double getOutputRes() const;
// Calculate delay due to total load capacitance
double calculateDelay() const;
// Calculate transition
double calculateTransition() const;
// get maximum of upstream drive resistance
double getMaxUpstreamRes() const;
// Get whether the driver is sizable
bool isSizable() const;
// Return true if the instance has minimum driving strength
bool hasMinDrivingStrength() const;
// Return true if the instance has maximum driving strength
bool hasMaxDrivingStrength() const;
// Increase driving strength index by 1
void increaseDrivingStrength();
// Decrease driving strength index by 1
void decreaseDrivingStrength();
bool isDriver() const;
private:
// Disable copy constructor
ElectricalDriver(const ElectricalDriver& port_);
private:
// Name of this instance
String m_instance_name_;
// Output resistance
double m_output_res_;
// Sizable flag
bool m_sizable_;
};
} // namespace DSENT
#endif // __DSENT_MODEL_ELECTRICAL_DRIVER_H__