sc_simcontext.h

system C源码 一种替代verilog的语言

    sc_name_gen*                m_name_gen;

    sc_process_table*           m_process_table;
    sc_curr_proc_info           m_curr_proc_info;
    sc_object*                  m_current_writer;
    bool                        m_write_check;
    int                         m_next_proc_id;

    std::vector<sc_object*>     m_child_objects;

    std::vector<sc_event*>      m_delta_events;
    sc_ppq<sc_event_timed*>*    m_timed_events;

    std::vector<sc_trace_file*> m_trace_files;
    bool                        m_something_to_trace;

    sc_runnable*                m_runnable;

    sc_time_params*             m_time_params;
    sc_time                     m_curr_time;
 
    sc_dt::uint64               m_delta_count;
    bool                        m_forced_stop;
    bool                        m_ready_to_simulate;
    bool                        m_elaboration_done;
    execution_phases            m_execution_phase;
    bool                        m_error;
    bool                        m_in_simulator_control;   
    bool                        m_end_of_simulation_called;
    bool                        m_start_of_simulation_called;


    sc_event*                   m_until_event;

    sc_cor_pkg*                 m_cor_pkg; // the simcontext's coroutine package
    sc_cor*                     m_cor;     // the simcontext's coroutine

private:

    // disabled
    sc_simcontext( const sc_simcontext& );
    sc_simcontext& operator = ( const sc_simcontext& );
};

// IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII

// Not MT safe.

#if 1
extern sc_simcontext* sc_curr_simcontext;
extern sc_simcontext* sc_default_global_context;

inline sc_simcontext*
sc_get_curr_simcontext()
{
    if( sc_curr_simcontext == 0 ) {
        sc_default_global_context = new sc_simcontext;
        sc_curr_simcontext = sc_default_global_context;
    }
    return sc_curr_simcontext;
}
#else
    extern sc_simcontext* sc_get_curr_simcontext();
#endif // 0


// IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII

inline
bool
sc_simcontext::elaboration_done() const
{
    return m_elaboration_done;
}


inline
int
sc_simcontext::sim_status() const
{
    if( m_error ) {
        return SC_SIM_ERROR;
    }
    if( m_forced_stop ) {
        return SC_SIM_USER_STOP;
    }
    return SC_SIM_OK;
}


inline
sc_object_manager*
sc_simcontext::get_object_manager()
{
    return m_object_manager;
}

inline
sc_module_registry*
sc_simcontext::get_module_registry()
{
    return m_module_registry;
}

inline
sc_port_registry*
sc_simcontext::get_port_registry()
{
    return m_port_registry;
}

inline
sc_export_registry*
sc_simcontext::get_export_registry()
{
    return m_export_registry;
}

inline
sc_prim_channel_registry*
sc_simcontext::get_prim_channel_registry()
{
    return m_prim_channel_registry;
}


inline
sc_curr_proc_handle
sc_simcontext::get_curr_proc_info()
{
    return &m_curr_proc_info;
}


inline
int
sc_simcontext::next_proc_id()
{
    return ( ++ m_next_proc_id );
}


inline
const sc_time&
sc_simcontext::time_stamp() const
{
    return m_curr_time;
}


inline 
bool
sc_simcontext::event_occurred(sc_dt::uint64 last_change_count) const
{
	return m_delta_count == last_change_count;
}

inline
bool
sc_simcontext::update_phase() const
{
    return m_execution_phase == phase_update;
}

inline
void
sc_simcontext::set_error()
{
    m_error = true;
}


inline
bool
sc_simcontext::get_error()
{
    return m_error;
}

inline
int
sc_simcontext::add_delta_event( sc_event* e )
{
    m_delta_events.push_back( e );
    return ( m_delta_events.size() - 1 );
}

inline
void
sc_simcontext::add_timed_event( sc_event_timed* et )
{
    m_timed_events->insert( et );
}

inline sc_object* 
sc_simcontext::get_current_writer() const
{
    return m_current_writer;
}

inline bool 
sc_simcontext::write_check() const
{
    return m_write_check;
}

// ----------------------------------------------------------------------------

class sc_process_handle;
sc_process_handle sc_get_current_process_handle();

inline
sc_process_b*
sc_get_current_process_b()
{
    return sc_get_curr_simcontext()->get_curr_proc_info()->process_handle;
}

// THE FOLLOWING FUNCTION IS DEPRECATED IN 2.1
extern sc_process_b* sc_get_curr_process_handle();

inline
sc_curr_proc_kind
sc_get_curr_process_kind()
{
    return sc_get_curr_simcontext()->get_curr_proc_info()->kind;
}


inline int sc_get_simulator_status()
{
    return sc_get_curr_simcontext()->sim_status();
}


// Generates unique names within each module.
extern
const char*
sc_gen_unique_name( const char* basename_, bool preserve_first = false );


// Set the random seed for controlled randomization -- not yet implemented
extern
void
sc_set_random_seed( unsigned int seed_ );


extern void sc_start();
extern void sc_start( const sc_time& duration );
extern void sc_start( double duration );
extern void sc_stop();

extern void sc_initialize();
extern void sc_cycle( const sc_time& duration );

extern const sc_time& sc_time_stamp();  // Current simulation time.
extern double sc_simulation_time();     // Current time in default time units.

inline
const std::vector<sc_object*>& sc_get_top_level_objects(
    const sc_simcontext* simc_p = sc_get_curr_simcontext() )
{
    return simc_p->m_child_objects;
}

extern sc_object* sc_find_object(
    const char* name, sc_simcontext* simc_p = sc_get_curr_simcontext() );

inline
sc_dt::uint64 sc_delta_count()
{
    return sc_get_curr_simcontext()->m_delta_count;
}

inline 
bool sc_is_running( const sc_simcontext* simc_p = sc_get_curr_simcontext() )
{
    return simc_p->m_ready_to_simulate;
}

inline
void
sc_start( double duration, sc_time_unit time_unit )
{
    sc_start( sc_time( duration, time_unit ) );
}

inline
void
sc_cycle( double duration, sc_time_unit time_unit )
{
    sc_cycle( sc_time( duration, time_unit ) );
}

// for backward compatibility with 1.0
inline
void
sc_cycle( double duration )  // in default time units
{
    sc_cycle( sc_time( duration, true ) );
}

inline
bool
sc_end_of_simulation_invoked()
{
        return sc_get_curr_simcontext()->m_end_of_simulation_called;
}


inline
bool 
sc_start_of_simulation_invoked()
{
        return sc_get_curr_simcontext()->m_start_of_simulation_called;
}

} // namespace sc_core

#endif