sc_fifo_in.hh revision 12841
1/* 2 * Copyright 2018 Google, Inc. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer; 8 * redistributions in binary form must reproduce the above copyright 9 * notice, this list of conditions and the following disclaimer in the 10 * documentation and/or other materials provided with the distribution; 11 * neither the name of the copyright holders nor the names of its 12 * contributors may be used to endorse or promote products derived from 13 * this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * Authors: Gabe Black 28 */ 29 30#ifndef __SYSTEMC_EXT_CHANNEL_SC_FIFO_IN_HH__ 31#define __SYSTEMC_EXT_CHANNEL_SC_FIFO_IN_HH__ 32 33#include "../core/sc_port.hh" 34#include "sc_fifo_in_if.hh" 35#include "warn_unimpl.hh" 36 37namespace sc_core 38{ 39 40class sc_event; 41class sc_event_finder; 42 43template <class T> 44class sc_fifo_in : public sc_port<sc_fifo_in_if<T>, 0> 45{ 46 public: 47 sc_fifo_in() : sc_port<sc_fifo_in_if<T>, 0>() {} 48 explicit sc_fifo_in(const char *name) : sc_port<sc_fifo_in_if<T>, 0>(name) 49 {} 50 virtual ~sc_fifo_in() {} 51 52 void 53 read(T &) 54 { 55 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 56 } 57 T 58 read() 59 { 60 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 61 return *(T *)nullptr; 62 } 63 bool 64 nb_read(T &) 65 { 66 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 67 return false; 68 } 69 const sc_event & 70 data_written_event() const 71 { 72 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 73 return *(const sc_event *)nullptr; 74 } 75 sc_event_finder & 76 data_written() const 77 { 78 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 79 return *(sc_event_finder *)nullptr; 80 } 81 int 82 num_available() const 83 { 84 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 85 return 0; 86 } 87 virtual const char *kind() const { return "sc_fifo_in"; } 88 89 private: 90 // Disabled 91 sc_fifo_in(const sc_fifo_in<T> &) : sc_port<sc_fifo_in_if<T>, 0>() {} 92 sc_fifo_in<T> &operator = (const sc_fifo_in<T> &) { return *this; } 93}; 94 95} // namespace sc_core 96 97#endif //__SYSTEMC_EXT_CHANNEL_SC_FIFO_IN_HH__ 98