source: trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_OOO_Engine/OOO_Engine/Rename_unit/Register_translation_unit/Register_Address_Translation_unit/src/Register_Address_Translation_unit_function_depth_save_genMealy_rename.cpp @ 139

#ifdef SYSTEMC
/*
 * $Id: Register_Address_Translation_unit_function_depth_save_genMealy_rename.cpp 139 2010-07-30 14:47:27Z rosiere $
 *
 * [ Description ]
 * 
 */

#include "Behavioural/Core/Multi_OOO_Engine/OOO_Engine/Rename_unit/Register_translation_unit/Register_Address_Translation_unit/include/Register_Address_Translation_unit.h"

namespace morpheo                    {
namespace behavioural {
namespace core {
namespace multi_ooo_engine {
namespace ooo_engine {
namespace rename_unit {
namespace register_translation_unit {
namespace register_address_translation_unit {


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

    if (PORT_READ(in_NRESET) != 0)
      {
        bool     have_branch_previous = false;
        bool     can_continue [_param->_nb_front_end][_param->_max_nb_context];

        for (uint32_t i=0; i<_param->_nb_front_end; ++i)
          for (uint32_t j=0; j<_param->_nb_context[i]; ++j)
            can_continue [i][j] = true;

        for (uint32_t i=0; i<_param->_nb_inst_insert; i++)
          if (PORT_READ(in_RENAME_VAL [i])) // not in sensitive list : it's to have valide value to array access
            {
              log_printf(TRACE,Register_Address_Translation_unit,FUNCTION,"  * RENAME [%d]",i);
              
              Tcontext_t front_end_id        = (_param->_have_port_front_end_id)?PORT_READ(in_RENAME_FRONT_END_ID [i]):0;
              Tcontext_t context_id          = (_param->_have_port_context_id  )?PORT_READ(in_RENAME_CONTEXT_ID   [i]):0;
              // bool       have_event          = (PORT_READ(in_RETIRE_EVENT_VAL [front_end_id][context_id]) and // always ack
              //                                   (PORT_READ(in_RETIRE_EVENT_STATE [front_end_id][context_id]) == EVENT_STATE_EVENT));
              
              bool       have_branch_current = PORT_READ(in_RENAME_SAVE_RAT [i]);

              // one branch per cycle
              can_continue[front_end_id][context_id] &= not (have_branch_current and have_branch_previous);

              log_printf(TRACE,Register_Address_Translation_unit,FUNCTION,"    * front_end_id         : %d",front_end_id);
              log_printf(TRACE,Register_Address_Translation_unit,FUNCTION,"    * context_id           : %d",context_id);
           // log_printf(TRACE,Register_Address_Translation_unit,FUNCTION,"    * have_event           : %d",have_event);
              log_printf(TRACE,Register_Address_Translation_unit,FUNCTION,"    * have_branch_previous : %d",have_branch_previous);
              log_printf(TRACE,Register_Address_Translation_unit,FUNCTION,"    * have_branch_current  : %d",have_branch_current );
              log_printf(TRACE,Register_Address_Translation_unit,FUNCTION,"    * can_continue         : %d",can_continue[front_end_id][context_id]);
              
              Tgeneral_address_t num_reg_ra_log    = PORT_READ(in_RENAME_NUM_REG_RA_LOG [i]); //%_param->_nb_general_register;
              Tgeneral_address_t num_reg_rb_log    = PORT_READ(in_RENAME_NUM_REG_RB_LOG [i]); //%_param->_nb_general_register;
              Tspecial_address_t num_reg_rc_log    = PORT_READ(in_RENAME_NUM_REG_RC_LOG [i]); //%_param->_nb_special_register;
              Tgeneral_address_t num_reg_rd_log    = PORT_READ(in_RENAME_NUM_REG_RD_LOG [i]); //%_param->_nb_general_register;
              Tspecial_address_t num_reg_re_log    = PORT_READ(in_RENAME_NUM_REG_RE_LOG [i]); //%_param->_nb_special_register;
              
              Tgeneral_address_t num_reg_ra_phy    = rat_gpr_speculative[front_end_id][context_id][num_reg_ra_log];
              Tgeneral_address_t num_reg_rb_phy    = rat_gpr_speculative[front_end_id][context_id][num_reg_rb_log];
              Tspecial_address_t num_reg_rc_phy    = rat_spr_speculative[front_end_id][context_id][num_reg_rc_log];
              Tgeneral_address_t num_reg_rd_phy_old= rat_gpr_speculative[front_end_id][context_id][num_reg_rd_log];
              Tspecial_address_t num_reg_re_phy_old= rat_spr_speculative[front_end_id][context_id][num_reg_re_log];
              
              log_printf(TRACE,Register_Address_Translation_unit,FUNCTION,"    * num_reg_ra           : %d -> %d",num_reg_ra_log,num_reg_ra_phy    );
              log_printf(TRACE,Register_Address_Translation_unit,FUNCTION,"    * num_reg_rb           : %d -> %d",num_reg_rb_log,num_reg_rb_phy    );
              log_printf(TRACE,Register_Address_Translation_unit,FUNCTION,"    * num_reg_rc           : %d -> %d",num_reg_rc_log,num_reg_rc_phy    );
              log_printf(TRACE,Register_Address_Translation_unit,FUNCTION,"    * num_reg_rd           : %d -> %d",num_reg_rd_log,num_reg_rd_phy_old);
              log_printf(TRACE,Register_Address_Translation_unit,FUNCTION,"    * num_reg_re           : %d -> %d",num_reg_re_log,num_reg_re_phy_old);
              
              internal_RENAME_ACK [i] = can_continue[front_end_id][context_id];
              PORT_WRITE(out_RENAME_ACK                [i],internal_RENAME_ACK [i]);
              PORT_WRITE(out_RENAME_NUM_REG_RA_PHY     [i], num_reg_ra_phy    );
              PORT_WRITE(out_RENAME_NUM_REG_RB_PHY     [i], num_reg_rb_phy    );
              PORT_WRITE(out_RENAME_NUM_REG_RC_PHY     [i], num_reg_rc_phy    );
              PORT_WRITE(out_RENAME_NUM_REG_RD_PHY_OLD [i], num_reg_rd_phy_old);
              PORT_WRITE(out_RENAME_NUM_REG_RE_PHY_OLD [i], num_reg_re_phy_old);

              internal_RENAME_SAVE [i] = have_branch_current;

              // save info to the next instruction
              have_branch_previous |= have_branch_current;
            }
      }
    
    log_end(Register_Address_Translation_unit,FUNCTION);
  };

}; // end namespace register_address_translation_unit
}; // end namespace register_translation_unit
}; // end namespace rename_unit
}; // end namespace ooo_engine
}; // end namespace multi_ooo_engine
}; // end namespace core

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