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/*
* Copyright 2018 Google, Inc.
*
* Redistribution and use in source and binary forms, with or without
* 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
* notice, this list of conditions and the following disclaimer in the
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Gabe Black
*/
#ifndef __SYSTEMC_EXT_CHANNEL_SC_SIGNAL_IN_IF_HH__
#define __SYSTEMC_EXT_CHANNEL_SC_SIGNAL_IN_IF_HH__
#include "../core/sc_interface.hh"
namespace sc_dt
{
class sc_logic;
};
namespace sc_gem5
{
class Reset;
} // namespace sc_gem5
namespace sc_core
{
class sc_event;
template <class T>
class sc_signal_in_if : virtual public sc_interface
{
public:
virtual const T &read() const = 0;
virtual const sc_event &value_changed_event() const = 0;
virtual bool event() const = 0;
protected:
sc_signal_in_if() : sc_interface() {}
private:
// Disabled
sc_signal_in_if(const sc_signal_in_if<T> &) : sc_interface() {}
sc_signal_in_if<T> &
operator = (const sc_signal_in_if<T> &)
{
return *this;
}
};
template <>
class sc_signal_in_if<bool> : virtual public sc_interface
{
public:
virtual const bool &read() const = 0;
virtual const sc_event &value_changed_event() const = 0;
virtual const sc_event &posedge_event() const = 0;
virtual const sc_event &negedge_event() const = 0;
virtual bool event() const = 0;
virtual bool posedge() const = 0;
virtual bool negedge() const = 0;
protected:
sc_signal_in_if() : sc_interface() {}
private:
friend class sc_gem5::Reset;
virtual bool
_addReset(sc_gem5::Reset *reset) const
{
return false;
}
// Disabled
sc_signal_in_if(const sc_signal_in_if<bool> &) : sc_interface() {}
sc_signal_in_if<bool> &
operator = (const sc_signal_in_if<bool> &)
{
return *this;
}
};
template <>
class sc_signal_in_if<sc_dt::sc_logic> : virtual public sc_interface
{
public:
virtual const sc_dt::sc_logic &read() const = 0;
virtual const sc_event &value_changed_event() const = 0;
virtual const sc_event &posedge_event() const = 0;
virtual const sc_event &negedge_event() const = 0;
virtual bool event() const = 0;
virtual bool posedge() const = 0;
virtual bool negedge() const = 0;
protected:
sc_signal_in_if() : sc_interface() {}
private:
// Disabled
sc_signal_in_if(const sc_signal_in_if<sc_dt::sc_logic> &) :
sc_interface()
{}
sc_signal_in_if<sc_dt::sc_logic> &
operator = (const sc_signal_in_if<sc_dt::sc_logic> &)
{
return *this;
}
};
} // namespace sc_core
#endif //__SYSTEMC_EXT_CHANNEL_SC_SIGNAL_IN_IF_HH__
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