text: /*****************************************************************************
   *                                McPAT/CACTI
   *                      SOFTWARE LICENSE AGREEMENT
   *            Copyright 2012 Hewlett-Packard Development Company, L.P.
   *            Copyright (c) 2010-2013 Advanced Micro Devices, Inc.
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   * this software without specific prior written permission.
  
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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   ***************************************************************************/
  
  
  
  #ifndef __ROUTER_H__
  #define __ROUTER_H__
  
  #include <assert.h>
  
  #include <iostream>
  
  #include "arbiter.h"
  #include "basic_circuit.h"
  #include "cacti_interface.h"
  #include "component.h"
  #include "crossbar.h"
  #include "mat.h"
  #include "parameter.h"
  #include "wire.h"
  
  class Router : public Component {
  public:
      Router(
          double flit_size_,
          double vc_buf, /* vc size = vc_buffer_size * flit_size */
          double vc_count,
          TechnologyParameter::DeviceType *dt = &(g_tp.peri_global),
          double I_ = 5,
          double O_ = 5,
          double M_ = 0.6);
      ~Router();
  
  
      void print_router();
  
      Component arbiter, crossbar, buffer;
  
      double cycle_time, max_cyc;
      double flit_size;
      double vc_count;
      double vc_buffer_size; /* vc size = vc_buffer_size * flit_size */
  
  private:
      TechnologyParameter::DeviceType *deviceType;
      double FREQUENCY; // move this to config file --TODO
      double Cw3(double len);
      double gate_cap(double w);
      double diff_cap(double w, int type /*0 for n-mos and 1 for p-mos*/, double stack);
      enum Wire_type wtype;
      enum Wire_placement wire_placement;
      //corssbar
      double NTtr, PTtr, wt, ht, I, O, NTi, PTi, NTid, PTid, NTod, PTod, TriS1, TriS2;
      double M; //network load
      double transmission_buf_inpcap();
      double transmission_buf_outcap();
      double transmission_buf_ctrcap();
      double crossbar_inpline();
      double crossbar_outline();
      double crossbar_ctrline();
      double tr_crossbar_power();
      void  cb_stats ();
      double arb_power();
      void  arb_stats ();
      double buffer_params();
      void buffer_stats();
  
  
      //arbiter
  
      //buffer
  
      //router params
      double Vdd;
  
      void calc_router_parameters();
      void get_router_area();
      void get_router_power();
      void get_router_delay();
  
      double min_w_pmos;
  
  
  };
  
  #endif
  