Subversion Repositories qaz_libs

//////////////////////////////////////////////////////////////////////
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//// Copyright (C) 2018 Authors and OPENCORES.ORG                 ////
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//// This source file is free software; you can redistribute it   ////
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//////////////////////////////////////////////////////////////////////

class avf_slave_driver #(N, U)
  extends uvm_driver #(avf_sequence_item);
   `uvm_component_param_utils(avf_slave_driver #(N, U))

  // --------------------------------------------------------------------
  virtual axis_if #(.N(N), .U(U)) vif;

  //--------------------------------------------------------------------
  function void set_default;
    vif.cb_s.tready <= 0;
  endfunction: set_default

  //--------------------------------------------------------------------
  virtual task run_phase(uvm_phase phase);
    avf_sequence_item item;
    super.run_phase(phase);

    set_default();

    forever
    begin
      wait(vif.aresetn);
      seq_item_port.get_next_item(item);
      vif.zero_cycle_delay();

      repeat(item.delay_h.get(item.slave_delay))
        @(vif.cb_m);

      vif.cb_s.tready <= 1;

      repeat(item.delay_h.get(item.slave_delay))
        @(vif.cb_m);

      vif.cb_s.tready <= 0;
      seq_item_port.item_done();
    end
  endtask : run_phase

  //--------------------------------------------------------------------
  function new(string name, uvm_component parent);
    super.new(name, parent);
  endfunction

// --------------------------------------------------------------------
endclass : avf_slave_driver