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

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//// Copyright (C) 2019 Authors and OPENCORES.ORG                 ////

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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 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