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[/] [async_sdm_noc/] [trunk/] [vc/] [tb/] [ni.h] - Blame information for rev 69

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Line No. Rev Author Line
1 44 wsong0210
/*
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 Asynchronous SDM NoC
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 (C)2011 Wei Song
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 Advanced Processor Technologies Group
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 Computer Science, the Univ. of Manchester, UK
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 Authors:
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 Wei Song     wsong83@gmail.com
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 License: LGPL 3.0 or later
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 Network interface for the VC router.
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 History:
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 20/08/2008  Initial version. <wsong83@gmail.com>
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 30/09/2010  Use template style packet definition. <wsong83@gmail.com>
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 05/06/2011  Clean up for opensource. <wsong83@gmail.com>
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*/
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#ifndef NETWORK_ADAPTER_H_
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#define NETWORK_ADAPTER_H_
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#include "define.h"
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#include <systemc.h>
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SC_MODULE(Network_Adapter)
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{
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public:
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    SC_HAS_PROCESS(Network_Adapter);
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    Network_Adapter(
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             sc_module_name     name // module name
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            ,unsigned int       x    // location x
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            ,unsigned int       y    // location y
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        );
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    ~Network_Adapter();
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    // interface with processor
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    sc_port<sc_fifo_in_if<FRAME> >      frame_in; // frame for transmission
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    sc_port<sc_fifo_out_if<FRAME> >     frame_out; // frame for receiving
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    // interface with router
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    sc_port<sc_fifo_in_if<FLIT> > IP;  // input port from IO driver
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    sc_port<sc_fifo_out_if<FLIT> > OP; // output port to IO driver
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    sc_in<bool> CP [SubChN];           // the credit input from the router input buffer
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    sc_out<bool> CPa [SubChN];         // ack to the credit
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private:
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    unsigned int loc_x,loc_y; // location information
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    sc_fifo<FLIT>                       oflit; // the current flit under transmission
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    sc_fifo<FLIT>                       iflit [SubChN]; // the current flits under receiving from all input VCs
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    unsigned int                        token [SubChN]; // the token ready for each output VC
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    sc_event                            token_arrive [SubChN]; // the token ready event
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    // functional thread
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    void ibuffer_thread(unsigned int);                // input buffer respond thread
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    void obuffer_thread(unsigned int);                // output buffer respond thread
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    void oport();                                     // the thread transmitting flit
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    void iport();                                     // the thread receiving flits
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    void credit_update(unsigned int);                 // receive credits and update the available tokens
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    // other functions
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    bool check_frame(const FRAME& frame);           // check the correctness of frame received
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};
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#endif
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