source: trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_OOO_Engine/OOO_Engine/Rename_unit/Load_Store_pointer_unit/src/Load_Store_pointer_unit_genMealy_retire.cpp @ 123

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

#include "Behavioural/Core/Multi_OOO_Engine/OOO_Engine/Rename_unit/Load_Store_pointer_unit/include/Load_Store_pointer_unit.h"

namespace morpheo                    {
namespace behavioural {
namespace core {
namespace multi_ooo_engine {
namespace ooo_engine {
namespace rename_unit {
namespace load_store_pointer_unit {


#undef  FUNCTION
#define FUNCTION "Load_Store_pointer_unit::genMealy_retire"
  void Load_Store_pointer_unit::genMealy_retire (void)
  {
    log_printf(FUNC,Load_Store_pointer_unit,FUNCTION,"Begin");
    
    if (PORT_READ(in_NRESET))
      {
//     bool use_lsq [_param->_nb_load_store_queue];
//     for (uint32_t i=0; i<_param->_nb_load_store_queue; i++)
//       use_lsq [i] = false;

    for (uint32_t i=0; i<_param->_nb_inst_retire; i++)
      {
        Tcontrol_t ack = true; // always accept
        Tcontrol_t use_sq  = PORT_READ(in_RETIRE_USE_STORE_QUEUE [i]);
        Tcontrol_t use_lq  = PORT_READ(in_RETIRE_USE_LOAD_QUEUE  [i]);
        if ( (PORT_READ(in_RETIRE_VAL  [i]) == true) and (use_sq or use_lq))
//           (PORT_READ(in_RETIRE_TYPE [i]) == TYPE_MEMORY))
          {
            Tcontext_t front_end_id = (_param->_have_port_front_end_id)?PORT_READ(in_RETIRE_FRONT_END_ID [i]):0;
            Tcontext_t context_id   = (_param->_have_port_context_id  )?PORT_READ(in_RETIRE_CONTEXT_ID   [i]):0;
            uint32_t   lsq          = _param->_link_load_store_unit_with_thread[front_end_id][context_id];

            // Test if a previous instruction use the same lsq
//          // Authorize once memory access by load store unit
//          if (use_lsq [lsq] == false)
              {
//              use_lsq [lsq] = true;
//              ack = true;

                uint32_t   ptr;
                
                // operation became of decod_stage. Also operation is != store_head_ok and store_head_ko
//              if (is_operation_memory_store(PORT_READ(in_RETIRE_OPERATION [i])))
                if (use_sq)
                  {
                    internal_RETIRE_OPERATION_USE [i] = OPERATION_USE_STORE_QUEUE;
                    
                    ptr = PORT_READ(in_RETIRE_STORE_QUEUE_PTR_WRITE [i]);
                  }
                else
                  {
                    internal_RETIRE_OPERATION_USE [i] = OPERATION_USE_LOAD_QUEUE;
                    
                    ptr = (_param->_have_port_load_queue_ptr)?PORT_READ(in_RETIRE_LOAD_QUEUE_PTR_WRITE [i]):0;
                  }
                
                internal_RETIRE_LSQ [i] = lsq;
                internal_RETIRE_PTR [i] = ptr;
              }
          }
        else
          {
//          ack = true;

            internal_RETIRE_OPERATION_USE [i] = OPERATION_USE_NONE;
          }

        // Write output
        internal_RETIRE_ACK [i] = ack;
      }
      }
    else
      {
        for (uint32_t i=0; i<_param->_nb_inst_retire; i++)
          internal_RETIRE_ACK [i] = 0;
      }

    for (uint32_t i=0; i<_param->_nb_inst_retire; i++)
      PORT_WRITE(out_RETIRE_ACK [i], internal_RETIRE_ACK [i]);

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

}; // end namespace load_store_pointer_unit
}; // end namespace rename_unit
}; // end namespace ooo_engine
}; // end namespace multi_ooo_engine
}; // end namespace core

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