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Diffstat (limited to 'ext/mcpat/cacti/wire.h')
-rw-r--r-- | ext/mcpat/cacti/wire.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/ext/mcpat/cacti/wire.h b/ext/mcpat/cacti/wire.h new file mode 100644 index 000000000..51d55afff --- /dev/null +++ b/ext/mcpat/cacti/wire.h @@ -0,0 +1,124 @@ +/***************************************************************************** + * 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 |