sc_prim.hh

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/*
 * Copyright 2018 Google, Inc.
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 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer;
 * redistributions in binary form must reproduce the above copyright
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 * documentation and/or other materials provided with the distribution;
 * neither the name of the copyright holders nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef __SYSTEMC_EXT_CORE_SC_PRIM_HH__
#define __SYSTEMC_EXT_CORE_SC_PRIM_HH__
 
#include "sc_object.hh"
#include "sc_time.hh"
 
namespace sc_gem5
{
 
class Channel;
 
uint64_t getChangeStamp();
 
} // namespace sc_gem5
 
namespace sc_core
{
 
class sc_event;
class sc_event_and_list;
class sc_event_or_list;
 
class sc_prim_channel : public sc_object
{
  public:
    virtual const char *kind() const { return "sc_prim_channel"; }
 
  protected:
    sc_prim_channel();
    explicit sc_prim_channel(const char *);
    virtual ~sc_prim_channel();
 
    void request_update();
    void async_request_update();
    virtual void update() {}
 
    void next_trigger();
    void next_trigger(const sc_event &);
    void next_trigger(const sc_event_or_list &);
    void next_trigger(const sc_event_and_list &);
    void next_trigger(const sc_time &);
    void next_trigger(double, sc_time_unit);
    void next_trigger(const sc_time &, const sc_event &);
    void next_trigger(double, sc_time_unit, const sc_event &);
    void next_trigger(const sc_time &, const sc_event_or_list &);
    void next_trigger(double, sc_time_unit, const sc_event_or_list &);
    void next_trigger(const sc_time &, const sc_event_and_list &);
    void next_trigger(double, sc_time_unit, const sc_event_and_list &);
 
    // Nonstandard.
    bool timed_out();
 
    void wait();
    void wait(int);
    void wait(const sc_event &);
    void wait(const sc_event_or_list &);
    void wait(const sc_event_and_list &);
    void wait(const sc_time &);
    void wait(double, sc_time_unit);
    void wait(const sc_time &, const sc_event &);
    void wait(double, sc_time_unit, const sc_event &);
    void wait(const sc_time &, const sc_event_or_list &);
    void wait(double, sc_time_unit, const sc_event_or_list &);
    void wait(const sc_time &, const sc_event_and_list &);
    void wait(double, sc_time_unit, const sc_event_and_list &);
 
    friend class sc_gem5::Kernel;
 
    virtual void before_end_of_elaboration() {}
    virtual void end_of_elaboration() {}
    virtual void start_of_simulation() {}
    virtual void end_of_simulation() {}
 
  private:
    // Disabled
    sc_prim_channel(const sc_prim_channel &);
    sc_prim_channel &operator = (const sc_prim_channel &);
 
    friend class sc_gem5::Channel;
    sc_gem5::Channel *_gem5_channel;
};
 
} // namespace sc_core
 
#endif  //__SYSTEMC_EXT_CORE_SC_PRIM_HH__