sc_fifo_in.hh revision 12868:23162a436538
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 // Deprecated binding constructors. 53 explicit sc_fifo_in(const sc_fifo_in_if<T> &interface) : 54 sc_port<sc_fifo_in_if<T>, 0>(interface) 55 {} 56 sc_fifo_in(const char *name, const sc_fifo_in_if<T> &interface) : 57 sc_port<sc_fifo_in_if<T>, 0>(name, interface) 58 {} 59 explicit sc_fifo_in(sc_port_b<sc_fifo_in_if<T> > &parent) : 60 sc_port<sc_fifo_in_if<T>, 0>(parent) 61 {} 62 sc_fifo_in(const char *name, sc_port_b<sc_fifo_in_if<T> > &parent) : 63 sc_port<sc_fifo_in_if<T>, 0>(name, parent) 64 {} 65 explicit sc_fifo_in(sc_port<sc_fifo_in_if<T>, 0> &parent) : 66 sc_port<sc_fifo_in_if<T>, 0>(parent) 67 {} 68 sc_fifo_in(const char *name, sc_port<sc_fifo_in_if<T>, 0> &parent) : 69 sc_port<sc_fifo_in_if<T>, 0>(name, parent) 70 {} 71 72 void 73 read(T &) 74 { 75 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 76 } 77 T 78 read() 79 { 80 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 81 return *(T *)nullptr; 82 } 83 bool 84 nb_read(T &) 85 { 86 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 87 return false; 88 } 89 const sc_event & 90 data_written_event() const 91 { 92 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 93 return *(const sc_event *)nullptr; 94 } 95 sc_event_finder & 96 data_written() const 97 { 98 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 99 return *(sc_event_finder *)nullptr; 100 } 101 int 102 num_available() const 103 { 104 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 105 return 0; 106 } 107 virtual const char *kind() const { return "sc_fifo_in"; } 108 109 private: 110 // Disabled 111 sc_fifo_in(const sc_fifo_in<T> &) : sc_port<sc_fifo_in_if<T>, 0>() {} 112 sc_fifo_in<T> &operator = (const sc_fifo_in<T> &) { return *this; } 113}; 114 115} // namespace sc_core 116 117#endif //__SYSTEMC_EXT_CHANNEL_SC_FIFO_IN_HH__ 118