source: trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Execute_loop/Execute_loop/Multi_Execute_unit/Execute_unit/Functionnal_unit/src/Functionnal_unit_transition.cpp @ 72

#ifdef SYSTEMC
/*
 * $Id$
 *
 * [ Description ]
 * 
 */

#include "Behavioural/Core/Multi_Execute_loop/Execute_loop/Multi_Execute_unit/Execute_unit/Functionnal_unit/include/Functionnal_unit.h"

namespace morpheo                    {
namespace behavioural {
namespace core {
namespace multi_execute_loop {
namespace execute_loop {
namespace multi_execute_unit {
namespace execute_unit {
namespace functionnal_unit {


#undef  FUNCTION
#define FUNCTION "Functionnal_unit::transition"
  void Functionnal_unit::transition (void)
  {
    log_printf(FUNC,Functionnal_unit,FUNCTION,"Begin");

    if (PORT_READ(in_NRESET) == 0)
      {
        reg_BUSY = false;
        
        for (uint32_t i=0; i<_param->_nb_context; i++)
          for (uint32_t j=0; j<_param->_nb_front_end; j++)
            for (uint32_t k=0; k<_param->_nb_ooo_engine; k++)
              {
                uint32_t num_thread = 0;
                
                for (uint32_t x=GROUP_CUSTOM_1; x<GROUP_CUSTOM_8; x++)
                  {
                    function_execute_end_cycle_t * fct = (_param->_get_custom_information(num_thread)._get_custom_execute_reset(x));
                    
                    if (fct != NULL)
                      (* fct) (_execute_register[i][j][k], _execute_param);
                  }
              }
      }
    else
      {
        // Test if pop
        if (internal_EXECUTE_OUT_VAL and PORT_READ(in_EXECUTE_OUT_ACK))
          {
            // transaction
            reg_BUSY = false;
          }
        
        // Test if push
        execute_register_t * execute_register = NULL;

        if (PORT_READ(in_EXECUTE_IN_VAL) and internal_EXECUTE_IN_ACK)
          {
            reg_BUSY = true;

            Tcontext_t context_id    = (_param->_have_port_context_id   )?PORT_READ(in_EXECUTE_IN_CONTEXT_ID   ):0;
            Tcontext_t front_end_id  = (_param->_have_port_front_end_id )?PORT_READ(in_EXECUTE_IN_FRONT_END_ID ):0;
            Tcontext_t ooo_engine_id = (_param->_have_port_ooo_engine_id)?PORT_READ(in_EXECUTE_IN_OOO_ENGINE_ID):0;
            Tcontext_t packet_id     = (_param->_have_port_packet_id    )?PORT_READ(in_EXECUTE_IN_PACKET_ID    ):0;
            Toperation_t operation = PORT_READ(in_EXECUTE_IN_OPERATION);

            _execute_operation->_context_id    = context_id   ;
            _execute_operation->_front_end_id  = front_end_id ;
            _execute_operation->_ooo_engine_id = ooo_engine_id;
            _execute_operation->_packet_id     = packet_id    ;
            _execute_operation->_operation     = operation    ;
            _execute_operation->_type          = PORT_READ(in_EXECUTE_IN_TYPE        );
            _execute_operation->_has_immediat  = PORT_READ(in_EXECUTE_IN_HAS_IMMEDIAT);
            _execute_operation->_immediat      = PORT_READ(in_EXECUTE_IN_IMMEDIAT    );
            _execute_operation->_data_ra       = PORT_READ(in_EXECUTE_IN_DATA_RA     );
            _execute_operation->_data_rb       = PORT_READ(in_EXECUTE_IN_DATA_RB     );
            _execute_operation->_data_rc       = PORT_READ(in_EXECUTE_IN_DATA_RC     );
            _execute_operation->_write_rd      = PORT_READ(in_EXECUTE_IN_WRITE_RD    );
            _execute_operation->_num_reg_rd    = PORT_READ(in_EXECUTE_IN_NUM_REG_RD  );
            _execute_operation->_write_re      = PORT_READ(in_EXECUTE_IN_WRITE_RE    );
            _execute_operation->_num_reg_re    = PORT_READ(in_EXECUTE_IN_NUM_REG_RE  );

#ifdef DEBUG_TEST
            if (operation >= MAX_OPERATION)
              throw ERRORMORPHEO(FUNCTION,"Invalid operation : '"+toString(operation)+"' is higher that MAX_OPERATION");
#endif

            // execute the operation
            execute_register = _execute_register[context_id][front_end_id][ooo_engine_id];

            // Test if operation is a custom
            if ((operation == OPERATION_CUSTOM_L_1) or
                (operation == OPERATION_CUSTOM_L_2) or
                (operation == OPERATION_CUSTOM_L_3) or
                (operation == OPERATION_CUSTOM_L_4) or
                (operation == OPERATION_CUSTOM_L_5) or
                (operation == OPERATION_CUSTOM_L_6) or
                (operation == OPERATION_CUSTOM_L_7) or
                (operation == OPERATION_CUSTOM_L_8))
              {
                uint32_t num_thread = 0;

                (*(_param->_get_custom_information(num_thread)._get_custom_execute_genMoore(operation))) (_execute_operation, execute_register, _execute_param);
              }
            else
              (*(_function_execute[operation])) (_execute_operation, execute_register, _execute_param);


#ifdef STATISTICS
            (*_stat_use_functionnal_unit) ++;
            (*_stat_sum_delay)   += _execute_operation->_timing._delay;
            (*_stat_sum_latence) += _execute_operation->_timing._latence;
#endif
          }
        
        // End cycle
        {
          for (uint32_t i=0; i<_param->_nb_context; i++)
            for (uint32_t j=0; j<_param->_nb_front_end; j++)
              for (uint32_t k=0; k<_param->_nb_ooo_engine; k++)
                {
                  uint32_t num_thread = 0;
                  
                  for (uint32_t x=GROUP_CUSTOM_1; x<GROUP_CUSTOM_8; x++)
                    {
                      function_execute_end_cycle_t * fct = (_param->_get_custom_information(num_thread)._get_custom_execute_transition(x));
                      
                      if (fct != NULL)
                        (* fct) (_execute_register[i][j][k], _execute_param);
                    }
                }

          // Update status
          if (execute_register != NULL)
            {
              // They have an access
              execute_register->_i_write_spr = false;
              execute_register->_i_read_spr  = false;
            }
        }
      }

    // each cycle : decrease the latence
    if (reg_BUSY and (_execute_operation->_timing._latence > 0))
      _execute_operation->_timing._latence --;

#if defined(STATISTICS) or defined(VHDL_TESTBENCH)
    end_cycle ();
#endif

    log_printf(FUNC,Functionnal_unit,FUNCTION,"End");
  };

}; // end namespace functionnal_unit
}; // end namespace execute_unit
}; // end namespace multi_execute_unit
}; // end namespace execute_loop
}; // end namespace multi_execute_loop
}; // end namespace core

}; // end namespace behavioural
}; // end namespace morpheo              
#endif