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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 Network interface for the VC router. History: 20/08/2008 Initial version. <wsong83@gmail.com> 30/09/2010 Use template style packet definition. <wsong83@gmail.com> 05/06/2011 Clean up for opensource. <wsong83@gmail.com> */ #ifndef NETWORK_ADAPTER_H_ #define NETWORK_ADAPTER_H_ #include "define.h" #include <systemc.h> SC_MODULE(Network_Adapter) { public: SC_HAS_PROCESS(Network_Adapter); Network_Adapter( sc_module_name name // module name ,unsigned int x // location x ,unsigned int y // location y ); ~Network_Adapter(); // interface with processor sc_port<sc_fifo_in_if<FRAME> > frame_in; // frame for transmission sc_port<sc_fifo_out_if<FRAME> > frame_out; // frame for receiving // interface with router sc_port<sc_fifo_in_if<FLIT> > IP; // input port from IO driver sc_port<sc_fifo_out_if<FLIT> > OP; // output port to IO driver sc_in<bool> CP [SubChN]; // the credit input from the router input buffer sc_out<bool> CPa [SubChN]; // ack to the credit private: unsigned int loc_x,loc_y; // location information sc_fifo<FLIT> oflit; // the current flit under transmission sc_fifo<FLIT> iflit [SubChN]; // the current flits under receiving from all input VCs unsigned int token [SubChN]; // the token ready for each output VC sc_event token_arrive [SubChN]; // the token ready event // functional thread void ibuffer_thread(unsigned int); // input buffer respond thread void obuffer_thread(unsigned int); // output buffer respond thread void oport(); // the thread transmitting flit void iport(); // the thread receiving flits void credit_update(unsigned int); // receive credits and update the available tokens // other functions bool check_frame(const FRAME& frame); // check the correctness of frame received }; #endif
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