/*
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/*
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Asynchronous SDM NoC
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Asynchronous SDM NoC
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(C)2011 Wei Song
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(C)2011 Wei Song
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Advanced Processor Technologies Group
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Advanced Processor Technologies Group
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Computer Science, the Univ. of Manchester, UK
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Computer Science, the Univ. of Manchester, UK
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Authors:
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Authors:
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Wei Song wsong83@gmail.com
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Wei Song wsong83@gmail.com
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License: LGPL 3.0 or later
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License: LGPL 3.0 or later
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The port driver between NI and router.
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The port driver between NI and router.
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History:
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History:
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27/04/2010 Initial version. <wsong83@gmail.com>
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27/04/2010 Initial version. <wsong83@gmail.com>
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03/06/2011 Remove the sc_unit datatype to support data width larger than 64. <wsong83@gmail.com>
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03/06/2011 Remove the sc_unit datatype to support data width larger than 64. <wsong83@gmail.com>
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*/
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*/
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#ifndef RT_DRIVER_H_
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#ifndef RT_DRIVER_H_
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#define RT_DRIVER_H_
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#define RT_DRIVER_H_
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#include "define.h"
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#include "define.h"
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#include <systemc.h>
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#include <systemc.h>
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#include "pdu_def.h"
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#include "pdu_def.h"
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SC_MODULE(RTDriver) {
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SC_MODULE(RTDriver) {
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public:
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public:
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// port with network interface
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// port with network interface
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sc_port<sc_fifo_in_if<FLIT> > NI2P;
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sc_port<sc_fifo_in_if<FLIT> > NI2P;
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sc_port<sc_fifo_out_if<FLIT> > P2NI;
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sc_port<sc_fifo_out_if<FLIT> > P2NI;
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sc_out<bool> CP [SubChN];
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sc_out<bool> CP [SubChN];
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sc_in<bool > CPa [SubChN];
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sc_in<bool > CPa [SubChN];
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// signals from interface to router
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// signals from interface to router
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sc_out<sc_lv<ChBW*4> > rtid [4];
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sc_out<sc_lv<ChBW*4> > rtid [4];
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sc_out<sc_lv<3> > rtift;
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sc_out<sc_lv<3> > rtift;
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sc_out<sc_lv<SubChN> > rtivc;
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sc_out<sc_lv<SubChN> > rtivc;
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sc_in<sc_logic> rtia;
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sc_in<sc_logic> rtia;
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sc_in<sc_lv<SubChN> > rtic;
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sc_in<sc_lv<SubChN> > rtic;
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sc_out<sc_lv<SubChN> > rtica;
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sc_out<sc_lv<SubChN> > rtica;
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sc_in<sc_lv<ChBW*4> > rtod [4];
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sc_in<sc_lv<ChBW*4> > rtod [4];
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sc_in<sc_lv<3> > rtoft;
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sc_in<sc_lv<3> > rtoft;
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sc_in<sc_lv<SubChN> > rtovc;
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sc_in<sc_lv<SubChN> > rtovc;
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sc_out<sc_logic> rtoa;
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sc_out<sc_logic> rtoa;
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sc_out<sc_lv<SubChN> > rtoc;
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sc_out<sc_lv<SubChN> > rtoc;
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sc_in<sc_lv<SubChN> > rtoca;
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sc_in<sc_lv<SubChN> > rtoca;
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// local variable
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// local variable
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sc_signal<bool> out_cred[SubChN]; /* the input credit */
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sc_signal<bool> out_cred[SubChN]; /* the input credit */
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sc_signal<bool> out_cred_ack[SubChN]; /* the input credit ack */
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sc_signal<bool> out_cred_ack[SubChN]; /* the input credit ack */
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SC_HAS_PROCESS(RTDriver);
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SC_HAS_PROCESS(RTDriver);
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RTDriver(sc_module_name name);
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RTDriver(sc_module_name name);
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void IPdetect(); // Method to detect the router input port
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void IPdetect(); // Method to detect the router input port
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void OPdetect(); // Method to detect the router output port
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void OPdetect(); // Method to detect the router output port
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void Creditdetect(); // Method to detect the credit ports
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void Creditdetect(); // Method to detect the credit ports
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void send(); // thread of sending a flit
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void send(); // thread of sending a flit
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void recv(); // thread to recveive a flit
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void recv(); // thread to recveive a flit
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sc_signal<bool> rtinp_sig; // fire when the router input port is ready for a new flit
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sc_signal<bool> rtinp_sig; // fire when the router input port is ready for a new flit
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sc_signal<bool> rtoutp_sig; // fire when the router output port has a new flit
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sc_signal<bool> rtoutp_sig; // fire when the router output port has a new flit
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unsigned int c1o42b(unsigned int); // convert 1-of-4 to binary
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unsigned int c1o42b(unsigned int); // convert 1-of-4 to binary
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};
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};
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#endif
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#endif
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