gasket.h

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// -*- mode: C++; c-file-style: "virtutech-c++" -*-
 
/*
  © 2019 Intel Corporation
 
  This software and the related documents are Intel copyrighted materials, and
  your use of them is governed by the express license under which they were
  provided to you ("License"). Unless the License provides otherwise, you may
  not use, modify, copy, publish, distribute, disclose or transmit this software
  or the related documents without Intel's prior written permission.
 
  This software and the related documents are provided as is, with no express or
  implied warranties, other than those that are expressly stated in the License.
*/
 
#ifndef SIMICS_SYSTEMC_SYSTEMC2SIMICS_GASKET_H
#define SIMICS_SYSTEMC_SYSTEMC2SIMICS_GASKET_H
 
#include <systemc>
#include <simics/systemc/interface_provider.h>
#include <simics/systemc/null_simulation.h>
#include <simics/systemc/systemc2simics/gasket_interface.h>
#include <simics/systemc/registry.h>
 
#include <string>
 
#if INTC_EXT && USE_SIMICS_CHECKPOINTING
#include <systemc-checkpoint/serialization/sc_signal.h>
#include <systemc-checkpoint/serialization/serializer.h>
#include <systemc-checkpoint/serialization/smd.h>
#endif
 
namespace simics {
namespace systemc {
namespace systemc2simics {
 
class Gasket : public Registrant<GasketInterface>
             , public sc_core::sc_module {
  public:
    SC_HAS_PROCESS(Gasket);
    Gasket(sc_core::sc_module_name,
           simics::systemc::InterfaceProvider *provider)
        : signal_("signal"),
          provider_(provider) {
#ifndef RISC_SIMICS
        SC_THREAD(update);
#endif
    }
 
    virtual sc_core::sc_signal<bool, sc_core::SC_MANY_WRITERS> *signal() {
        return &signal_;
    }
    std::string gasket_name() const override {
        return name();
    }
    const InterfaceProvider *interface_provider() const override {
        return provider_;
    }
 
  private:
    void update();
    void call_iface(bool value);
 
#if INTC_EXT && USE_SIMICS_CHECKPOINTING
    friend class cci::serialization::access;
    template <class Archive>
        void serialize(Archive &ar, const unsigned int version) {  // NOLINT
        ar & SMD(signal_);
    }
#endif
 
    sc_core::sc_signal<bool, sc_core::SC_MANY_WRITERS> signal_;
    simics::systemc::InterfaceProvider *provider_;
    NullSimulation null_simulation_;
};
 
#if INTC_EXT && USE_SIMICS_CHECKPOINTING
static sc_checkpoint::serialization::Serializer<Gasket> gasket_serializer;
#endif
 
}  // namespace systemc2simics
}  // namespace systemc
}  // namespace simics
 
#endif