gem5/src/mem/ruby/network/orion/Buffer/PrechargeUnit.hh
2011-06-02 14:36:35 -07:00

91 lines
2.9 KiB
C++

/*
* 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 __PRECHARGEUNIT_H__
#define __PRECHARGEUNIT_H__
#include "mem/ruby/network/orion/Type.hh"
class SRAM;
class TechParameter;
class PrechargeUnit
{
public:
enum PrechargeModel
{
NO_MODEL = 0,
SINGLE_BITLINE,
EQU_BITLINE,
SINGLE_OTHER
};
public:
PrechargeUnit(
const string& pre_model_str_,
double pre_load_,
const SRAM* sram_ptr_,
const TechParameter* tech_param_ptr_
);
~PrechargeUnit();
public:
double get_e_charge_gate() const { return m_e_charge_gate; }
double get_e_charge_drain() const { return m_e_charge_drain; }
double get_i_static() const { return m_i_static; }
private:
void init();
uint32_t calc_num_pre_gate();
uint32_t calc_num_pre_drain();
double calc_pre_cap(double width_, double length_);
private:
PrechargeModel m_pre_model;
double m_pre_load;
const SRAM* m_sram_ptr;
const TechParameter* m_tech_param_ptr;
double m_pre_size;
double m_e_charge_gate;
double m_e_charge_drain;
double m_i_static;
};
#endif