source: trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Branch_Target_Buffer/Branch_Target_Buffer_Glue/src/Branch_Target_Buffer_Glue_genMealy_update.cpp @ 123

#ifdef SYSTEMC
/*
 * $Id: Branch_Target_Buffer_Glue_genMealy_update.cpp 123 2009-06-08 20:43:30Z rosiere $
 *
 * [ Description ]
 * 
 */

#include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Branch_Target_Buffer/Branch_Target_Buffer_Glue/include/Branch_Target_Buffer_Glue.h"

namespace morpheo {
namespace behavioural {
namespace core {
namespace multi_front_end {
namespace front_end {
namespace prediction_unit {
namespace branch_target_buffer {
namespace branch_target_buffer_glue {

#undef  FUNCTION
#define FUNCTION "Branch_Target_Buffer_Glue::genMealy_update"
  void Branch_Target_Buffer_Glue::genMealy_update (void)
  {
    log_begin(Branch_Target_Buffer_Glue,FUNCTION);
    log_function(Branch_Target_Buffer_Glue,FUNCTION,_name.c_str());

    if (PORT_READ(in_NRESET))
      {
    for (uint32_t i=0; i<_param->_nb_inst_update; i++)
      {
        log_printf(TRACE,Branch_Target_Buffer_Glue,FUNCTION,"  * UPDATE [%d]",i);

        Tcontrol_t      val          = PORT_READ(in_UPDATE_VAL          [i]);
        Tcontrol_t      register_ack = PORT_READ(in_UPDATE_REGISTER_ACK [i]);
        Tcontrol_t      victim_ack   = (_param->_have_port_victim)?PORT_READ(in_UPDATE_VICTIM_ACK [i]):true;

        log_printf(TRACE,Branch_Target_Buffer_Glue,FUNCTION,"    * val          : %d",val         );
        log_printf(TRACE,Branch_Target_Buffer_Glue,FUNCTION,"    * register_ack : %d",register_ack);
        log_printf(TRACE,Branch_Target_Buffer_Glue,FUNCTION,"    * victim_ack   : %d",victim_ack  );
        
        PORT_WRITE(out_UPDATE_ACK            [i],         register_ack and victim_ack);
        PORT_WRITE(out_UPDATE_REGISTER_VAL   [i], val and                  victim_ack);

        if (_param->_have_port_victim)
          {
        PORT_WRITE(out_UPDATE_VICTIM_VAL     [i], val and register_ack );
        if (not _param->_is_full_associative)
          {
        Tgeneral_data_t address_src  = PORT_READ(in_UPDATE_ADDRESS_SRC  [i]);
        log_printf(TRACE,Branch_Target_Buffer_Glue,FUNCTION,"    * address_src  : %.8x",address_src);

        PORT_WRITE(out_UPDATE_VICTIM_ADDRESS [i], (address_src >> _param->_shift_bank)&_param->_mask_bank);
          }
          }
      }
      }
    else
      {
        for (uint32_t i=0; i<_param->_nb_inst_update; i++)
          {
            PORT_WRITE(out_UPDATE_ACK            [i], 0);
            PORT_WRITE(out_UPDATE_REGISTER_VAL   [i], 0);
            if (_param->_have_port_victim)
            PORT_WRITE(out_UPDATE_VICTIM_VAL     [i], 0);
          }
      }

    log_end(Branch_Target_Buffer_Glue,FUNCTION);
  };

}; // end namespace branch_target_buffer_glue
}; // end namespace branch_target_buffer
}; // end namespace prediction_unit
}; // end namespace front_end
}; // end namespace multi_front_end
}; // end namespace core
}; // end namespace behavioural
}; // end namespace morpheo              
#endif