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;
 
	   }
   };