Subversion Repositories async_sdm_noc

/*

 Asynchronous SDM NoC

 (C)2011 Wei Song

 Advanced Processor Technologies Group

 Computer Science, the Univ. of Manchester, UK

 Authors:

 Wei Song     wsong83@gmail.com

 License: LGPL 3.0 or later

 The port driver between NI and router.

 History:

 27/04/2010  Initial version. <wsong83@gmail.com>

 16/10/2010  Support SDM. <wsong83@gmail.com>

 30/05/2011  Remove the sc_unit datatype to support data width larger than 64. <wsong83@gmail.com>

*/

#ifndef RT_DRIVER_H_

#define RT_DRIVER_H_

#include "define.h"

#include <systemc.h>

#include "pdu_def.h"

SC_MODULE(RTDriver) {

 public:

  // port with network interface

  sc_port<sc_fifo_in_if<FLIT> > NI2P;

  sc_port<sc_fifo_out_if<FLIT> > P2NI;

  // signals from interface to router

  sc_out<sc_lv<ChBW*4> > rtid [4];

  sc_in<sc_lv<ChBW*4> > rtod [4];

#ifdef ENABLE_CHANNEL_CLISING

  sc_out<sc_lv<ChBW*4> > rtid4;

  sc_in<sc_lv<ChBW*4> > rtod4;

  sc_in<sc_lv<ChBW*4> > rtia;

  sc_out<sc_lv<ChBW*4> > rtoa;

#else

  sc_out<sc_logic > rtid4;

  sc_in<sc_logic > rtod4;

  sc_in<sc_logic> rtia;

  sc_out<sc_logic> rtoa;

#endif

  SC_HAS_PROCESS(RTDriver);

  RTDriver(sc_module_name name);

  void IPdetect();              // Method to detect the router input port

  void OPdetect();              // Method to detect the router output port

  void send();                  // thread of sending a flit

  void recv();                  // thread to recveive a flit

  sc_signal<bool> rtinp_sig; // fire when the router input port is ready for a new flit

  sc_signal<bool> rtoutp_sig; // fire when the router output port has a new flit

  unsigned int c1o42b(unsigned int); // convert 1-of-4 to binary

};

#endif