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/*****************************************************************************
* McPAT/CACTI
* SOFTWARE LICENSE AGREEMENT
* Copyright 2012 Hewlett-Packard Development Company, L.P.
* 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.”
*
***************************************************************************/
#ifndef __WIRE_H__
#define __WIRE_H__
#include <iostream>
#include <list>
#include "assert.h"
#include "basic_circuit.h"
#include "cacti_interface.h"
#include "component.h"
#include "parameter.h"
class Wire : public Component
{
public:
Wire(enum Wire_type wire_model, double len /* in u*/,
int nsense = 1/* no. of sense amps connected to the low-swing wire */,
double width_scaling = 1,
double spacing_scaling = 1,
enum Wire_placement wire_placement = outside_mat,
double resistivity = CU_RESISTIVITY,
TechnologyParameter::DeviceType *dt = &(g_tp.peri_global));
~Wire();
Wire( double width_scaling = 1,
double spacing_scaling = 1,
enum Wire_placement wire_placement = outside_mat,
double resistivity = CU_RESISTIVITY,
TechnologyParameter::DeviceType *dt = &(g_tp.peri_global)
); // should be used only once for initializing static members
void init_wire();
void calculate_wire_stats();
void delay_optimal_wire();
double wire_cap(double len, bool call_from_outside=false);
double wire_res(double len);
void low_swing_model();
double signal_fall_time();
double signal_rise_time();
double sense_amp_input_cap();
enum Wire_type wt;
double wire_spacing;
double wire_width;
enum Wire_placement wire_placement;
double repeater_size;
double repeater_spacing;
double wire_length;
double in_rise_time, out_rise_time;
void set_in_rise_time(double rt)
{
in_rise_time = rt;
}
static Component global;
static Component global_5;
static Component global_10;
static Component global_20;
static Component global_30;
static Component low_swing;
static double wire_width_init;
static double wire_spacing_init;
void print_wire();
private:
int nsense; // no. of sense amps connected to a low-swing wire if it
// is broadcasting data to multiple destinations
// width and spacing scaling factor can be used
// to model low level wires or special
// fat wires
double w_scale, s_scale;
double resistivity;
powerDef wire_model (double space, double size, double *delay);
list <Component> repeated_wire;
void update_fullswing();
static int initialized;
//low-swing
Component transmitter;
Component l_wire;
Component sense_amp;
double min_w_pmos;
TechnologyParameter::DeviceType *deviceType;
};
#endif
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