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/* 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> 03/06/2011 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; sc_out<bool> CP [SubChN]; sc_in<bool > CPa [SubChN]; // signals from interface to router sc_out<sc_lv<ChBW*4> > rtid [4]; sc_out<sc_lv<3> > rtift; sc_out<sc_lv<SubChN> > rtivc; sc_in<sc_logic> rtia; sc_in<sc_lv<SubChN> > rtic; sc_out<sc_lv<SubChN> > rtica; sc_in<sc_lv<ChBW*4> > rtod [4]; sc_in<sc_lv<3> > rtoft; sc_in<sc_lv<SubChN> > rtovc; sc_out<sc_logic> rtoa; sc_out<sc_lv<SubChN> > rtoc; sc_in<sc_lv<SubChN> > rtoca; // local variable sc_signal<bool> out_cred[SubChN]; /* the input credit */ sc_signal<bool> out_cred_ack[SubChN]; /* the input credit ack */ 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 Creditdetect(); // Method to detect the credit ports 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
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