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/*
* Copyright (c) 2009 Princeton University
* Copyright (c) 2009 The Regents of the University of California
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Hangsheng Wang (Orion 1.0, Princeton)
* Xinping Zhu (Orion 1.0, Princeton)
* Xuning Chen (Orion 1.0, Princeton)
* Bin Li (Orion 2.0, Princeton)
* Kambiz Samadi (Orion 2.0, UC San Diego)
*/
#ifndef __FLIPFLOP_H__
#define __FLIPFLOP_H__
#include "mem/ruby/network/orion/Type.hh"
class TechParameter;
class FlipFlop
{
public:
enum FFModel
{
NO_MODEL = 0,
NEG_DFF
};
public:
FlipFlop(
const string& ff_model_str_,
double load_,
const TechParameter* tech_param_ptr_
);
~FlipFlop();
public:
double get_e_switch() const { return m_e_switch; }
double get_e_keep_1() const { return m_e_keep_1; }
double get_e_keep_0() const { return m_e_keep_0; }
double get_e_clock() const { return m_e_clock; }
double get_i_static() const { return m_i_static; }
private:
void init();
double calc_node_cap(uint32_t num_fanin_, uint32_t num_fanout_);
double calc_clock_cap();
double calc_i_static();
private:
FFModel m_ff_model;
const TechParameter* m_tech_param_ptr;
double m_load;
double m_e_switch;
double m_e_keep_1;
double m_e_keep_0;
double m_e_clock;
double m_i_static;
};
#endif
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