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Diffstat (limited to 'src/systemc/ext/channel/sc_fifo_in_if.hh')
-rw-r--r-- | src/systemc/ext/channel/sc_fifo_in_if.hh | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/systemc/ext/channel/sc_fifo_in_if.hh b/src/systemc/ext/channel/sc_fifo_in_if.hh new file mode 100644 index 000000000..a6ac4f544 --- /dev/null +++ b/src/systemc/ext/channel/sc_fifo_in_if.hh @@ -0,0 +1,74 @@ +/* + * 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_FIFO_IN_IF_HH__ +#define __SYSTEMC_EXT_CHANNEL_SC_FIFO_IN_IF_HH__ + +#include "../core/sc_interface.hh" + +namespace sc_core +{ + +class sc_event; + +template <class T> +class sc_fifo_nonblocking_in_if : virtual public sc_interface +{ + public: + virtual bool ab_read(T &) = 0; + virtual const sc_event &data_written_event() const = 0; +}; + +template <class T> +class sc_fifo_blocking_in_if : virtual public sc_interface +{ + public: + virtual void read(T &) = 0; + virtual T read() = 0; +}; + +template <class T> +class sc_fifo_in_if : public sc_fifo_nonblocking_in_if<T>, + public sc_fifo_blocking_in_if<T> +{ + public: + virtual int num_avaialble() const = 0; + + protected: + sc_fifo_in_if() : sc_interface() {} + + private: + // Disabled + sc_fifo_in_if(const sc_fifo_in_if<T> &); + sc_fifo_in_if<T> &operator = (const sc_fifo_in_if<T> &) { return *this; } +}; + +} // namespace sc_core + +#endif //__SYSTEMC_EXT_CHANNEL_SC_FIFO_IN_IF_HH__ |