alu.h

#ifndef ALUMOD_H
#define ALUMOD_H

/**
 *
 * ALU module interface.
 */

#include <systemc.h>

/**
 * ALU module.
 * ALU module models the integer ALU of the MIPS. It can perform 6 operations:
 * %add, subtract, %and, or, set on equal
 *   - input ports
 *   	- \c sc_uint<32> \c din1	- first operand
 *   	- \c sc_uint<32> \c din2	- second operand
 *   	- \c sc_uint<3>  \c op	- selects operation
 *   - output ports
 *   	- \c sc_unint<32> \c dout	- result
 *   	- \c bool         \c zero	- active if result = 0
 */

SC_MODULE(alu) {
  
  sc_in< sc_uint<32> >  din1;
  sc_in< sc_uint<32> >  din2;        
  sc_in< sc_uint<3> >  op;        
  sc_out< sc_uint<32> > dout;

  SC_CTOR(alu)
     {      
      SC_METHOD(calc);
      sensitive << din1 << din2 << op;
    }
  
  void calc();
};

#endif