/***************************************************************************** * McPAT/CACTI * SOFTWARE LICENSE AGREEMENT * Copyright 2012 Hewlett-Packard Development Company, L.P. * Copyright (c) 2010-2013 Advanced Micro Devices, Inc. * 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 #include #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 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