source: trunk/IPs/systemC/processor/Morpheo/Behavioural/src/Component_vhdl_instance.cpp @ 95

#ifdef VHDL
/*
 * $Id: Component_vhdl_instance.cpp 95 2008-12-16 16:24:26Z rosiere $
 *
 * [ Description ]
 * 
 */

#include "Behavioural/include/Component.h"

namespace morpheo              {
namespace behavioural          {

#undef  FUNCTION
#define FUNCTION "Component::vhdl_instance"
  void Component::vhdl_instance (Vhdl * & vhdl)
  {
    log_printf(FUNC,Behavioural,FUNCTION,"Begin");

    uint32_t             cpt = 0;
    std::map<Signal *,std::string> tab;

    // buffer all output
    
    {
      // for each interface
      std::list<Interface_fifo *>         * list_interface = (_entity)->get_interfaces_list()->get_interface_list();
      std::list<Interface_fifo *>::iterator j              = list_interface->begin();
      bool print_comment = false;
      if (not list_interface->empty())
        {
          while (j != list_interface->end())
            {
              // for each signal
              std::list<Signal *>         * list_signal = (*j)->get_signal_list();
              std::list<Signal *>::iterator k           = list_signal->begin();
              if (not list_signal->empty())
                {
                  while (k != list_signal->end())
                    {
                      Signal * signal = (*k);

                      // test if is connect with external interface or with an another component AND if this port is mapped. 
                      if ( (signal->get_direction() == OUT) and
                           (signal->get_connect_from_signal () != NULL) )
                        {
                          if (not print_comment)
                            {
                              vhdl->set_body ("------------------------------------------------------");
                              vhdl->set_body ("-- Output's Buffer");
                              vhdl->set_body ("------------------------------------------------------");
                             
                              print_comment = true;
                            }

                          // Create name
                          std::string signal_name = "signal_"+toString(cpt++);
                          
                          tab [signal                           ] = signal_name;
                          tab [signal->get_connect_from_signal()] = signal_name;
                          
                          // Add a new signal and the affectation
                          vhdl->set_signal (signal_name, signal->get_size());
                          vhdl->set_body   (signal->get_name()+" <= "+signal_name+";");
                        }
                      else
                        {
                          tab [signal                   ] = signal->get_name();
                        }
                      ++k;
                    }
                }
              ++j;
            }

          if (print_comment)
            {
              vhdl->set_body ("");
              vhdl->set_body ("------------------------------------------------------");
              vhdl->set_body ("");
            }
        }
    }

    vhdl->set_library_work (_entity->get_name() + "_Pack");

    // for each entity
    std::list<Tcomponent_t *>         * list_component = _list_component;
    std::list<Tcomponent_t *>::iterator i              = list_component->begin();
    if (not list_component->empty())
      {
        while (i != list_component->end())
          {
            Entity *    entity   = (*i)->_entity;
            Tinstance_t instance = (*i)->_instance;
            
            if (instance & INSTANCE_LIBRARY)
              vhdl->set_library_work (entity->get_name() + "_Pack");

            if (instance & INSTANCE_COMPONENT)
            {
              std::list<std::string> list_port_map;
              
              // for each interface
              std::list<Interface_fifo *>         * list_interface = entity->get_interfaces_list()->get_interface_list();
              std::list<Interface_fifo *>::iterator j              = list_interface->begin();
              if (not list_interface->empty())
                {
                  while (j != list_interface->end())
                    {
                      // for each signal
                      std::list<Signal *>         * list_signal = (*j)->get_signal_list();
                      std::list<Signal *>::iterator k           = list_signal->begin();
                      if (not list_signal->empty())
                        {
                          while (k != list_signal->end())
                            {
                              // test if is connect with external interface or with an another component.
                              Signal * signal_src  = (*k);
                              
                              if (signal_src->presence_vhdl () == true)
                                {
                                  Signal * signal_dest = signal_src->get_connect_to_signal();
                                  std::string   name_src    = signal_src->get_name();
                                  std::string   name_dest;
                                  
//                              // Test if destination signal is a interface port ?
//                              if (_entity->find_signal(signal_dest) == false)
//                                {
                                  // find if signal is already link
                                  std::map<Signal *,std::string>::iterator it = tab.find(signal_dest); 
                                  if (tab.find(signal_dest) == tab.end())
                                    {
                                      // Create name
                                      name_dest = "signal_"+toString(cpt++);
                                      
                                      tab [signal_src ] = name_dest;
                                      tab [signal_dest] = name_dest;
                                      
                                      // Add a new signal
                                      vhdl->set_signal (name_dest, signal_src->get_size());
                                    }
                                  else
                                    {
                                      // find !!!!
                                      name_dest = (*it).second;
                                      tab [signal_src ] = name_dest;
                                    }
//                                }
//                              else
//                                {
//                                  // Test if output
//                                  if (signal_dest->get_direction() == OUT)
//                                    {
//                                      // Take buffer's signal
//                                      map<Signal *,std::string>::iterator it = tab.find(signal_dest);
//                                      name_dest        = (*it).second;

//                                      cout << " * OUT - name : " << name_dest << endl;
//                                    }
//                                  else
//                                    {
//                                      name_dest = signal_dest->get_name();
//                                      cout << " * IN  - name : " << name_dest << endl;
//                                    }                             
//                                }
                                  
                                  vhdl->set_body_component_port_map (list_port_map,
                                                                     name_src , signal_src ->get_size(),
                                                                     name_dest, signal_dest->get_size() );
                                }
                              ++k;
                            }
                        }
                      ++j;
                    }
                }
              vhdl->set_body_component ("instance_"+entity->get_name(),entity->get_name(),list_port_map);
              
            }
            ++i;
          }
      }
    log_printf(FUNC,Behavioural,FUNCTION,"End");
  };
  
}; // end namespace behavioural
}; // end namespace morpheo
#endif