null_gasket.h

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// -*- mode: C++; c-file-style: "virtutech-c++" -*-
 
/*
  © 2014 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_SIMICS2TLM_NULL_GASKET_H
#define SIMICS_SYSTEMC_SIMICS2TLM_NULL_GASKET_H
 
#include <simics/systemc/simics2tlm/gasket_interface.h>
#include <simics/systemc/instance_counter.h>
 
#include <string>
 
namespace simics {
namespace systemc {
namespace simics2tlm {
 
class NullGasket : public GasketInterface,
                   public simics::systemc::InstanceCounter<NullGasket> {
  public:
    bool trigger(iface::Transaction *transaction) override {
        return false;
    }
    simics::ConfObjectRef &simics_obj() override {
        return obj_;
    }
    DmiDataTable *get_dmi_data_table() override {
        return &dmi_data_table_;
    }
    void set_type(ClassType *type) override {}
    ClassType *type() override {
        return NULL;
    }
    sc_core::sc_object *get_target_socket() override {
        return NULL;
    }
    void set_dmi(bool enable) override {
    }
    bool is_dmi_enabled() override {
        return false;
    }
    std::string gasket_name() const override {
        return "";
    }
 
    // deprecated
    tlm::tlm_generic_payload &payload() override {
        return transaction_;
    }
    bool trigger_transaction() override {
        return false;
    }
    void set_inquiry(bool inquiry) override {
    }
 
  private:
    simics::ConfObjectRef obj_;
    tlm::tlm_generic_payload transaction_;
    DmiDataTable dmi_data_table_;
};
 
}  // namespace simics2tlm
}  // namespace systemc
}  // namespace simics
 
#endif