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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//// removed from the file and that any derivative work contains  ////
//// the original copyright notice and the associated disclaimer. ////
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//// This source file is free software; you can redistribute it   ////
//// and/or modify it under the terms of the GNU Lesser General   ////
//// Public License as published by the Free Software Foundation; ////
//// either version 2.1 of the License, or (at your option) any   ////
//// later version.                                               ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
//// PURPOSE.  See the GNU Lesser General Public License for more ////
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//////////////////////////////////////////////////////////////////////

class spi_sequence_item
  extends uvm_sequence_item;
  `uvm_object_utils(spi_sequence_item)

  // --------------------------------------------------------------------
  rand int data_width; // data size in bits

  // --------------------------------------------------------------------
  logic mi_data[]; // data from slave to master
  logic mo_data[]; // data from master to slave

  // --------------------------------------------------------------------
  function new(string name = "");
    super.new(name);
  endfunction : new

  // --------------------------------------------------------------------
  function void init(int data_width = 16 * 16);
    this.data_width = data_width;
    this.mi_data = new[data_width];
    this.mo_data = new[data_width];
    
    foreach(this.mo_data[i])
      mo_data[i] = 0;
  endfunction : init

  // // --------------------------------------------------------------------
  // function bit do_compare(uvm_object rhs, uvm_comparer comparer);
    // spi_sequence_item tested;
    // bit same;

    // if (rhs==null)
      // `uvm_fatal(get_type_name(), "| %m | comparison to a null pointer");

    // if (!$cast(tested,rhs))
      // same = 0;
    // else
      // same  = super.do_compare(rhs, comparer);

    // return same;
  // endfunction : do_compare

  // // --------------------------------------------------------------------
  // function void do_copy(uvm_object rhs);
    // spi_sequence_item item;
    // assert(rhs != null) else
      // `uvm_fatal(get_type_name(), "| %m | copy null transaction");
    // super.do_copy(rhs);
    // assert($cast(item,rhs)) else
      // `uvm_fatal(get_type_name(), "| %m | failed cast");
    // delay     = item.delay;
    // command   = item.command;
    // wr_full   = item.wr_full;
    // rd_empty  = item.rd_empty;
    // wr_data   = item.wr_data;
    // rd_data   = item.rd_data;
    // count     = item.count;
  // endfunction : do_copy

  // // --------------------------------------------------------------------
  // function string convert2string();
    // string s0, s1, s2, s3;
    // s0 = $sformatf( "| %m | wr | rd | full | empty |\n");
    // s1 = $sformatf( "| %m | %1h  | %1h  | %1h    | %1h     |\n"
                  // , (command == FIFO_WR) || (command == FIFO_BOTH)
                  // , (command == FIFO_RD) || (command == FIFO_BOTH)
                  // , wr_full
                  // , rd_empty
                  // );
    // s2 = $sformatf("| %m | wr_data: %h\n" , wr_data);
    // s3 = $sformatf("| %m | rd_data: %h\n" , rd_data);

    // if(command == FIFO_NULL)
      // return {s1, s0};
    // else if(command == FIFO_BOTH)
      // return {s3, s2, s1, s0};
    // else if(command == FIFO_WR)
      // return {s2, s1, s0};
    // else if(command == FIFO_RD)
      // return {s3, s1, s0};
  // endfunction : convert2string

// --------------------------------------------------------------------
endclass : spi_sequence_item