xref: /gem5/src/systemc/ext/tlm_core/1/req_rsp/ports/event_finder.hh

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#ifndef __SYSTEMC_EXT_TLM_CORE_1_REQ_RSP_PORTS_EVENT_FINDER_HH__
#define __SYSTEMC_EXT_TLM_CORE_1_REQ_RSP_PORTS_EVENT_FINDER_HH__

#include <sstream>

#include "../interfaces/tag.hh"

namespace tlm
{

template <class IF, class T>
class tlm_event_finder_t : public sc_core::sc_event_finder
{
  public:
    tlm_event_finder_t(const sc_core::sc_port_base &port_,
                       const sc_core::sc_event &(IF::*event_method_)(
                           tlm_tag<T> *) const) :
        sc_core::sc_event_finder(port_), m_event_method(event_method_)
    {}

    virtual ~tlm_event_finder_t() {}

    virtual const sc_core::sc_event &
        find_event(sc_core::sc_interface *if_p=nullptr) const;

  private:
    const sc_core::sc_event &(IF::*m_event_method)(tlm_tag<T> *) const;

  private:
    // disabled
    tlm_event_finder_t();
    tlm_event_finder_t(const tlm_event_finder_t<IF, T> &);
    tlm_event_finder_t<IF, T> &operator = (const tlm_event_finder_t<IF, T> &);
};

template <class IF, class T>
inline const sc_core::sc_event &
tlm_event_finder_t<IF, T>::find_event(sc_core::sc_interface *if_p) const
{
    const IF *iface = if_p ? dynamic_cast<const IF *>(if_p) :
        dynamic_cast<const IF *>(port()->_gem5Interface(0));
    if (iface == nullptr) {
        std::ostringstream out;
        out << "port is not bound: port '" << port()->name() <<
            "' (" << port()->kind() << ")";
        SC_REPORT_ERROR(sc_core::SC_ID_FIND_EVENT_, out.str().c_str());
        static sc_core::sc_event none;
        return none;
    }
    return (const_cast<IF *>(iface)->*m_event_method)(nullptr);
}

} // namespace tlm

#endif /* __SYSTEMC_EXT_TLM_CORE_1_REQ_RSP_PORTS_EVENT_FINDER_HH__ */