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Diffstat (limited to 'src/systemc/ext/channel/sc_signal.hh')
| -rw-r--r-- | src/systemc/ext/channel/sc_signal.hh | 414 |
1 files changed, 414 insertions, 0 deletions
diff --git a/src/systemc/ext/channel/sc_signal.hh b/src/systemc/ext/channel/sc_signal.hh new file mode 100644 index 000000000..e1ed619bf --- /dev/null +++ b/src/systemc/ext/channel/sc_signal.hh @@ -0,0 +1,414 @@ +/* + * 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_HH__ +#define __SYSTEMC_EXT_CHANNEL_SC_SIGNAL_HH__ + +#include <iostream> + +#include "../core/sc_module.hh" // for sc_gen_unique_name +#include "../core/sc_prim.hh" +#include "sc_signal_inout_if.hh" +#include "warn_unimpl.hh" // for warn_unimpl + +namespace sc_core +{ + +class sc_port_base; + +template <class T, sc_writer_policy WRITER_POLICY=SC_ONE_WRITER> +class sc_signal : public sc_signal_inout_if<T>, + public sc_prim_channel +{ + public: + sc_signal() : sc_signal_inout_if<T>(), + sc_prim_channel(sc_gen_unique_name("signal")) + {} + explicit sc_signal(const char *name) : sc_signal_inout_if<T>(), + sc_prim_channel(name) + {} + virtual ~sc_signal() {} + + virtual void + register_port(sc_port_base &, const char *) + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + + virtual const T& + read() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *(const T *)nullptr; + } + operator const T&() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *(const T *)nullptr; + } + + virtual sc_writer_policy + get_writer_policy() const + { + return WRITER_POLICY; + } + virtual void + write(const T&) + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + sc_signal<T, WRITER_POLICY> & + operator = (const T&) + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *this; + } + sc_signal<T, WRITER_POLICY> & + operator = (const sc_signal<T, WRITER_POLICY> &) + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *this; + } + + virtual const sc_event & + default_event() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *(sc_event *)nullptr; + } + virtual const sc_event & + value_changed_event() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *(sc_event *)nullptr; + } + virtual bool + event() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return false; + } + + virtual void + print(std::ostream & =std::cout) const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + virtual void + dump(std::ostream & =std::cout) const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + virtual const char *kind() const { return "sc_signal"; } + + protected: + virtual void + update() + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + + private: + // Disabled + sc_signal(const sc_signal<T, WRITER_POLICY> &) : + sc_signal_inout_if<T>(), sc_prim_channel("") + {} +}; + +template <class T, sc_writer_policy WRITER_POLICY> +inline std::ostream & +operator << (std::ostream &os, const sc_signal<T, WRITER_POLICY> &) +{ + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return os; +} + +template <sc_writer_policy WRITER_POLICY> +class sc_signal<bool, WRITER_POLICY> : + public sc_signal_inout_if<bool>, public sc_prim_channel +{ + public: + sc_signal() + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + explicit sc_signal(const char *) + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + virtual ~sc_signal() + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + + virtual void + register_port(sc_port_base &, const char *) + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + + virtual const bool & + read() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *(const bool *)nullptr; + } + operator const bool &() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *(const bool *)nullptr; + } + + virtual sc_writer_policy + get_writer_policy() const + { + return WRITER_POLICY; + } + virtual void + write(const bool &) + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + sc_signal<bool, WRITER_POLICY> & + operator = (const bool &) + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *this; + } + sc_signal<bool, WRITER_POLICY> & + operator = (const sc_signal<bool, WRITER_POLICY> &) + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *this; + } + + virtual const sc_event & + default_event() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *(sc_event *)nullptr; + } + + virtual const sc_event & + value_changed_event() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *(sc_event *)nullptr; + } + virtual const sc_event & + posedge_event() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *(sc_event *)nullptr; + } + virtual const sc_event & + negedge_event() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *(sc_event *)nullptr; + } + + virtual bool + event() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return false; + } + virtual bool + posedge() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return false; + } + virtual bool + negedge() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return false; + } + + virtual void + print(std::ostream & =std::cout) const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + virtual void + dump(std::ostream & =std::cout) const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + virtual const char *kind() const { return "sc_signal"; } + + protected: + virtual void + update() + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + + private: + // Disabled + sc_signal(const sc_signal<bool, WRITER_POLICY> &) : + sc_signal_inout_if<bool>(), sc_prim_channel("") + {} +}; + +template <sc_writer_policy WRITER_POLICY> +class sc_signal<sc_dt::sc_logic, WRITER_POLICY> : + public sc_signal_inout_if<sc_dt::sc_logic>, public sc_prim_channel +{ + public: + sc_signal() + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + explicit sc_signal(const char *) + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + virtual ~sc_signal() + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + + virtual void + register_port(sc_port_base &, const char *) + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + + virtual const sc_dt::sc_logic & + read() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *(const sc_dt::sc_logic *)nullptr; + } + operator const sc_dt::sc_logic &() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *(const sc_dt::sc_logic *)nullptr; + } + + virtual sc_writer_policy + get_writer_policy() const + { + return WRITER_POLICY; + } + virtual void + write(const sc_dt::sc_logic &) + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + sc_signal<sc_dt::sc_logic, WRITER_POLICY> & + operator = (const sc_dt::sc_logic &) + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *this; + } + sc_signal<sc_dt::sc_logic, WRITER_POLICY> & + operator = (const sc_signal<sc_dt::sc_logic, WRITER_POLICY> &) + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *this; + } + + virtual const sc_event & + default_event() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *(sc_event *)nullptr; + } + + virtual const sc_event & + value_changed_event() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *(sc_event *)nullptr; + } + virtual const sc_event & + posedge_event() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *(sc_event *)nullptr; + } + virtual const sc_event & + negedge_event() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return *(sc_event *)nullptr; + } + + virtual bool + event() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return false; + } + virtual bool + posedge() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return false; + } + virtual bool + negedge() const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + return false; + } + + virtual void + print(std::ostream & =std::cout) const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + virtual void + dump(std::ostream & =std::cout) const + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + virtual const char *kind() const { return "sc_signal"; } + + protected: + virtual void + update() + { + sc_channel_warn_unimpl(__PRETTY_FUNCTION__); + } + + private: + // Disabled + sc_signal(const sc_signal<sc_dt::sc_logic, WRITER_POLICY> &) : + sc_signal_inout_if<sc_dt::sc_logic>(), sc_prim_channel("") + {} +}; + +} // namespace sc_core + +#endif //__SYSTEMC_EXT_CHANNEL_SC_SIGNAL_HH__ |