Subversion Repositories qaz_libs

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//// Copyright (C) 2018 Authors and OPENCORES.ORG                 ////

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//////////////////////////////////////////////////////////////////////

class fifo_monitor extends uvm_component;

  `uvm_component_utils(fifo_monitor);

  virtual fifo_if #(.W(W), .D(D)) vif;

  uvm_analysis_port #(fifo_sequence_item) ap;

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

  function new (string name, uvm_component parent);

    super.new(name,parent);

  endfunction

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

  function void build_phase(uvm_phase phase);

    ap = new("ap", this);

  endfunction : build_phase

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

  task run_phase(uvm_phase phase);

    fifo_sequence_item item;

    fifo_sequence_item c_item;

    item = fifo_sequence_item::type_id::create("item");

    forever @(vif.cb iff vif.cb.reset === 0)

      if(vif.cb.wr_en || vif.cb.rd_en)

      begin

        $cast(c_item, item.clone);

        c_item.wr_full = vif.cb.wr_full;

        c_item.wr_data = vif.cb.wr_data;

        c_item.rd_empty = vif.cb.rd_empty;

        c_item.rd_data = vif.cb.rd_data;

        c_item.count = vif.cb.count;

        if(vif.cb.wr_en && vif.cb.rd_en)

          c_item.command = FIFO_BOTH;

        else if(vif.cb.wr_en)

          c_item.command = FIFO_WR;

        else if(vif.cb.rd_en)

          c_item.command = FIFO_RD;

        ap.write(c_item);

      end

  endtask : run_phase

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

endclass : fifo_monitor