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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 __WIRE_H__
#define __WIRE_H__
#include "mem/ruby/network/orion/Type.hh"
class TechParameter;
class Wire
{
public:
enum WidthSpacingModel
{
SWIDTH_SSPACE,
SWIDTH_DSPACE,
DWIDTH_SSPACE,
DWIDTH_DSPACE
};
enum BufferScheme
{
MIN_DELAY,
STAGGERED
};
public:
Wire(
const string& wire_spacing_model_str_,
const string& buf_scheme_str_,
bool is_shielding_,
const TechParameter* tech_param_ptr_
);
~Wire();
public:
void calc_opt_buffering(int* k_, double* h_, double len_) const;
double calc_dynamic_energy(double len_) const;
double calc_static_power(double len_) const;
private:
void init();
void set_width_spacing_model(const string& wire_spacing_model_str_);
void set_buf_scheme(const string& buf_scheme_str_);
double calc_res_unit_len();
double calc_gnd_cap_unit_len();
double calc_couple_cap_unit_len();
private:
const TechParameter* m_tech_param_ptr;
WidthSpacingModel m_width_spacing_model;
BufferScheme m_buf_scheme;
bool m_is_shielding;
double m_res_unit_len;
double m_gnd_cap_unit_len;
double m_couple_cap_unit_len;
};
#endif
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