Subversion Repositories qaz_libs

//////////////////////////////////////////////////////////////////////
////                                                              ////
//// Copyright (C) 2015 Authors and OPENCORES.ORG                 ////
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//// This source file is free software; you can redistribute it   ////
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//////////////////////////////////////////////////////////////////////


package fifo_agent_pkg;

  // --------------------------------------------------------------------
  //
  import fifo_bfm_pkg::*;

  class fifo_agent_class #(W = 8);

    fifo_bfm_class source_fifo;
    fifo_bfm_class sink_fifo;
    fifo_transaction_class tr_h;
    fifo_transaction_class clone_h;

    //--------------------------------------------------------------------
    function
      new
      (
        virtual fifo_write_if #(.W(W)) source,
        virtual fifo_read_if  #(.W(W)) sink
      );

      this.source_fifo = new(.source(source));
      this.sink_fifo = new(.sink(sink));
      this.tr_h = new();

    endfunction: new


    // --------------------------------------------------------------------
    //
    function void init;

      source_fifo.init("source", SOURCE);
      sink_fifo.init("sink", SINK);

    endfunction: init


    // --------------------------------------------------------------------
    //
    task automatic
      start_q;

      source_fifo.fifo_write_q();
      sink_fifo.fifo_read_q();

    endtask: start_q


    // --------------------------------------------------------------------
    //
    task automatic
      queue_random;

        if (!tr_h.randomize())
        begin
          $display("^^^ %16.t | %m | ERROR! randomize error", $time);
          $stop;
        end

        clone_h = tr_h.clone();
        source_fifo.fifo_tr_q.put(clone_h);
        sink_fifo.fifo_tr_q.put(clone_h);

    endtask: queue_random


    // --------------------------------------------------------------------
    //

  endclass: fifo_agent_class

endpackage: fifo_agent_pkg