Subversion Repositories qaz_libs

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

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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