Subversion Repositories qaz_libs

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

////                                                              ////

//// Copyright (C) 2017 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                     ////

////                                                              ////

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

package riffa_agent_class_pkg;

  // --------------------------------------------------------------------

  //

  import riffa_bfm_class_pkg::*;

  // --------------------------------------------------------------------

  //

  class riffa_agent_class #(N);

    riffa_transaction_class #(N) tr_h;

    rp_tx_bfm_class #(N) tx_h;

    rp_rx_bfm_class #(N) rx_h;

    mailbox #(riffa_transaction_class #(N)) tx_q;

    // --------------------------------------------------------------------

    //

    task queue_tx(riffa_transaction_class #(N) tr_h);

      tx_h.put(tr_h);

      tx_q.put(tr_h);

    endtask: queue_tx

    // --------------------------------------------------------------------

    //

    task queue_tx_constant(int len, int off, bit last, logic [(8*N)-1:0] value);

      tr_h = new(len, off, last);

      tr_h.constant(len, off, last, value);

      queue_tx(tr_h);

    endtask: queue_tx_constant

    // --------------------------------------------------------------------

    //

    task queue_tx_counting(int len, int off, bit last);

      tr_h = new(len, off, last);

      tr_h.counting(len, off, last);

      queue_tx(tr_h);

    endtask: queue_tx_counting

    // --------------------------------------------------------------------

    //

    task queue_tx_hex(string str, int off, bit last);

      tr_h = new(1, off, last);

      tr_h.hex(str, off, last);

      queue_tx(tr_h);

    endtask: queue_tx_hex

    // --------------------------------------------------------------------

    //

    task queue_tx_random(int len, int off, bit last);

      tr_h = new(len, off, last);

      tr_h.random(len, off, last);

      queue_tx(tr_h);

    endtask: queue_tx_random

    // --------------------------------------------------------------------

    //

    task queue_rx(int len, int off, bit last);

      tr_h = new(len, off, last);

      rx_h.put(tr_h);

    endtask: queue_rx

    // --------------------------------------------------------------------

    //

    task wait_for_tx;

      @(tx_h.tx_done);

    endtask: wait_for_tx

    // --------------------------------------------------------------------

    //

    task wait_for_rx;

      @(rx_h.rx_done);

    endtask: wait_for_rx

    //--------------------------------------------------------------------

    //

    function new(virtual riffa_chnl_if #(.N(N)) chnl_bus);

      tx_h = new(chnl_bus);

      rx_h = new(chnl_bus);

      this.tx_q = new;

    endfunction: new

  // --------------------------------------------------------------------

  //

  endclass: riffa_agent_class

// --------------------------------------------------------------------

//

endpackage: riffa_agent_class_pkg