//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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//// ////
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//// ////
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//// AES subbytes module header ////
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//// AES subbytes module header ////
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//// ////
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//// ////
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//// This file is part of the SystemC AES ////
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//// This file is part of the SystemC AES ////
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//// ////
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//// ////
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//// Description: ////
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//// Description: ////
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//// Subbytes stage header for AES algorithm ////
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//// Subbytes stage header for AES algorithm ////
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//// ////
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//// ////
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//// To Do: ////
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//// To Do: ////
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//// - done ////
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//// - done ////
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//// ////
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//// ////
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//// Author(s): ////
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//// Author(s): ////
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//// - Javier Castillo, jcastilo@opencores.org ////
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//// - Javier Castillo, jcastilo@opencores.org ////
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//// ////
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//// ////
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//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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//// ////
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//// ////
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//// Copyright (C) 2000 Authors and OPENCORES.ORG ////
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//// Copyright (C) 2000 Authors and OPENCORES.ORG ////
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//// ////
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//// ////
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//// This source file may be used and distributed without ////
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//// This source file may be used and distributed without ////
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//// restriction provided that this copyright statement is not ////
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//// restriction provided that this copyright statement is not ////
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//// removed from the file and that any derivative work contains ////
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//// removed from the file and that any derivative work contains ////
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//// the original copyright notice and the associated disclaimer. ////
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//// the original copyright notice and the associated disclaimer. ////
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//// ////
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//// ////
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//// This source file is free software; you can redistribute it ////
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//// This source file is free software; you can redistribute it ////
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//// and/or modify it under the terms of the GNU Lesser General ////
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//// and/or modify it under the terms of the GNU Lesser General ////
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//// Public License as published by the Free Software Foundation; ////
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//// Public License as published by the Free Software Foundation; ////
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//// either version 2.1 of the License, or (at your option) any ////
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//// either version 2.1 of the License, or (at your option) any ////
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//// later version. ////
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//// later version. ////
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//// ////
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//// ////
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//// This source is distributed in the hope that it will be ////
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//// This source is distributed in the hope that it will be ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
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//// PURPOSE. See the GNU Lesser General Public License for more ////
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//// PURPOSE. See the GNU Lesser General Public License for more ////
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//// details. ////
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//// details. ////
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//// ////
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//// ////
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//// You should have received a copy of the GNU Lesser General ////
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//// You should have received a copy of the GNU Lesser General ////
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//// Public License along with this source; if not, download it ////
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//// Public License along with this source; if not, download it ////
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//// from http://www.opencores.org/lgpl.shtml ////
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//// from http://www.opencores.org/lgpl.shtml ////
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//// ////
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//// ////
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//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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//
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//
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// CVS Revision History
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// CVS Revision History
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//
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//
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// $Log: not supported by cvs2svn $
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// $Log: not supported by cvs2svn $
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// Revision 1.2 2005/03/16 18:12:25 jcastillo
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// Revision 1.2 2005/03/16 18:12:25 jcastillo
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//
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//
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// Style modifications
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// Style modifications
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//
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//
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// Revision 1.1 2005/01/26 16:51:05 jcastillo
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// Revision 1.1 2005/01/26 16:51:05 jcastillo
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// New examples for 0.2.5 version
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// New examples for 0.2.5 version
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//
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//
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// Revision 1.2 2004/08/30 14:44:44 jcastillo
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// Revision 1.2 2004/08/30 14:44:44 jcastillo
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// Code Formater used to give better appearance to SystemC code
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// Code Formater used to give better appearance to SystemC code
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//
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//
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// Revision 1.1.1.1 2004/07/05 09:46:22 jcastillo
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// Revision 1.1.1.1 2004/07/05 09:46:22 jcastillo
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// First import
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// First import
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//
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//
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#include "systemc.h"
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#include "systemc.h"
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SC_MODULE(subbytes)
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SC_MODULE(subbytes)
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{
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{
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sc_in<bool> clk;
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sc_in<bool> clk;
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sc_in<bool> reset;
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sc_in<bool> reset;
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sc_in<bool> start_i;
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sc_in<bool> start_i;
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sc_in<bool> decrypt_i;
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sc_in<bool> decrypt_i;
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sc_in<sc_biguint <128> > data_i;
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sc_in<sc_biguint <128> > data_i;
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sc_out<bool> ready_o;
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sc_out<bool> ready_o;
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sc_out<sc_biguint<128> > data_o;
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sc_out<sc_biguint<128> > data_o;
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//To sbox
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//To sbox
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sc_out<sc_uint<8> > sbox_data_o;
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sc_out<sc_uint<8> > sbox_data_o;
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sc_in<sc_uint<8> > sbox_data_i;
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sc_in<sc_uint<8> > sbox_data_i;
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sc_out<bool>sbox_decrypt_o;
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sc_out<bool>sbox_decrypt_o;
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void sub();
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void sub();
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void registers();
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void registers();
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sc_signal<sc_uint<5> > state, next_state;
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sc_signal<sc_uint<5> > state, next_state;
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sc_signal<sc_biguint<128> > data_reg, next_data_reg;
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sc_signal<sc_biguint<128> > data_reg, next_data_reg;
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sc_signal<bool> next_ready_o;
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sc_signal<bool> next_ready_o;
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SC_CTOR(subbytes)
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SC_CTOR(subbytes)
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{
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{
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SC_METHOD(registers);
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SC_METHOD(registers);
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sensitive_pos << clk;
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sensitive_pos << clk;
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sensitive_neg << reset;
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sensitive_neg << reset;
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SC_METHOD(sub);
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SC_METHOD(sub);
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sensitive << decrypt_i << start_i << state << data_i << sbox_data_i << data_reg;
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sensitive << decrypt_i << start_i << state << data_i << sbox_data_i << data_reg;
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}
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}
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};
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};
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