Subversion Repositories systemc_rng

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

////                                                              ////

////  Random Number Generator Top Header                          ////

////                                                              ////

////  This file is part of the SystemC RNG project                ////

////                                                              ////

////  Description:                                                ////

////  Top file of random number generator                         ////

////                                                              ////

////  To Do:                                                      ////

////   - nothing                                                  ////

////                                                              ////

////  Author(s):                                                  ////

////      - Javier Castillo, jcastilo@opencores.org               ////

////                                                              ////

////  This core is provided by OpenSoc                            ////

////  http://www.opensocdesign.com                                ////

////                                                              ////

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

////                                                              ////

//// Copyright (C) 2000 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                     ////

////                                                              ////

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

//

// CVS Revision History

//

// $Log: not supported by cvs2svn $

#include "systemc.h"

SC_MODULE(rng){

           sc_in<bool> clk;

           sc_in<bool> reset;

           sc_in<bool> loadseed_i;

           sc_in<sc_uint<32> > seed_i;

           sc_out<sc_uint<32> > number_o;

           sc_signal<sc_uint<43> > LFSR_reg;

           sc_signal<sc_uint<37> > CASR_reg;

           void CASR();

           void LFSR();

           void combinate();

           SC_CTOR(rng){

                   SC_METHOD(CASR);

                   sensitive_pos << clk;

                   sensitive_neg << reset;

                   SC_METHOD(LFSR);

                   sensitive_pos << clk;

                   sensitive_neg << reset;

                   SC_METHOD(combinate);

                   sensitive_pos << clk;

                   sensitive_neg << reset;

           }

   };