Subversion Repositories qaz_libs

//////////////////////////////////////////////////////////////////////
////                                                              ////
//// Copyright (C) 2019 Authors and OPENCORES.ORG                 ////
////                                                              ////
//// This source file may be used and distributed without         ////
//// restriction provided that this copyright statement is not    ////
//// removed from the file and that any derivative work contains  ////
//// the original copyright notice and the associated disclaimer. ////
////                                                              ////
//// 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.                                               ////
////                                                              ////
//// This source is distributed in the hope that it will be       ////
//// 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 ////
//// details.                                                     ////
////                                                              ////
//// You should have received a copy of the GNU Lesser General    ////
//// Public License along with this source; if not, download it   ////
//// from http://www.opencores.org/lgpl.shtml                     ////
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//////////////////////////////////////////////////////////////////////

class riffa_sequence_item extends uvm_sequence_item;
  `uvm_object_utils(riffa_sequence_item)

  // --------------------------------------------------------------------
  riffa_transaction_t tr;
  int dwidth;
  bit [31:0] len; // length in 4 byte words
  bit [30:0] off;
  bit last;
  byte data[];
  int beats;

  // --------------------------------------------------------------------
  int size;
  int index = 0;

  // --------------------------------------------------------------------
  function void init(int dwidth, bit [31:0] len, bit [30:0] off, bit last);
    this.dwidth = dwidth;
    this.len = len;
    this.size = len * 4;
    this.data = new[size];
    this.beats = ((size % dwidth) == 0) ? (size / dwidth) : (size / dwidth) + 1;
  endfunction : init

  // // --------------------------------------------------------------------
  // function bit do_compare(uvm_object rhs, uvm_comparer comparer);
    // riffa_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);
    riffa_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");

    tr     = item.tr    ;
    dwidth = item.dwidth;
    len    = item.len   ;
    off    = item.off   ;
    last   = item.last  ;
    data   = item.data  ;
    beats  = item.beats ;
    size   = item.size  ;
    index  = item.index ;
  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

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

// --------------------------------------------------------------------
endclass