Subversion Repositories qaz_libs

//////////////////////////////////////////////////////////////////////
////                                                              ////
//// Copyright (C) 2018 Authors and OPENCORES.ORG                 ////
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//// This source file may be used and distributed without         ////
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//// This source file is free software; you can redistribute it   ////
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//// Public License as published by the Free Software Foundation; ////
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//////////////////////////////////////////////////////////////////////

class fifo_scoreboard extends uvm_subscriber #(fifo_sequence_item);
  `uvm_component_utils(fifo_scoreboard);

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

  // --------------------------------------------------------------------
  function void build_phase(uvm_phase phase);
  endfunction : build_phase

  // --------------------------------------------------------------------
  mailbox #(fifo_sequence_item) mb = new();
  fifo_sequence_item c_t;
  fifo_sequence_item item;
  int m_matches = 0;
  int m_mismatches = 0;

  function void write(fifo_sequence_item t);

    $cast(c_t, t.clone);

    if((c_t.command = FIFO_WR) || (c_t.command = FIFO_BOTH))
      mb.try_put(c_t);

    if((c_t.command = FIFO_RD) || (c_t.command = FIFO_BOTH))
      mb.try_get(item);

    if(~c_t.compare(item))
    begin
      uvm_report_info(get_name(), $sformatf("^^^ %16.t | %m | MISMATCH!!! | %s", $time, {20{"-"}}));
      uvm_report_info(get_name(), c_t.convert2string);
      uvm_report_info(get_name(), item.convert2string);
      m_mismatches++;
    end
    else
      m_matches++;
  endfunction : write

  // --------------------------------------------------------------------
  function void report_phase(uvm_phase phase);
    uvm_report_info(get_name(), $sformatf("Matches   : %0d", m_matches));
    uvm_report_info(get_name(), $sformatf("Mismatches: %0d", m_mismatches));
  endfunction

// --------------------------------------------------------------------
endclass : fifo_scoreboard