Subversion Repositories qaz_libs

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

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

class s_debug

  extends uvm_sequence #(fifo_sequence_item);

  `uvm_object_utils(s_debug)

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

  function new(string name = "s_debug");

    super.new(name);

  endfunction

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

  task body();

    logic wr_full = 0;

    logic rd_empty = 1;

    int count;

    fifo_sequence_item item;

    fifo_sequence_item c_item;

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

    repeat(64)

    begin

      $cast(c_item, item.clone);

      start_item(c_item);

      assert(c_item.randomize());

      if(wr_full)

        c_item.command = FIFO_RD;

      else if(rd_empty)

        c_item.command = FIFO_WR;

      finish_item(c_item);

      wr_full = c_item.wr_full;

      rd_empty = c_item.rd_empty;

    end

    count = c_item.count;

    repeat(count)

    begin

      $cast(c_item, item.clone);

      start_item(c_item);

      assert(c_item.randomize());

      c_item.command = FIFO_RD;

      finish_item(c_item);

    end

  endtask: body

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

endclass : s_debug