sc_signal_in_if.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_SIGNAL_IN_IF_HH__ 31#define __SYSTEMC_EXT_CHANNEL_SC_SIGNAL_IN_IF_HH__ 32 33#include "../core/sc_interface.hh" 34 35namespace sc_dt 36{ 37 38class sc_logic; 39 40}; 41 42namespace sc_core 43{ 44 45class sc_event; 46 47template <class T> 48class sc_signal_in_if : virtual public sc_interface 49{ 50 public: 51 virtual const T &read() const = 0; 52 virtual const sc_event &value_changed_event() const = 0; 53 virtual bool event() const = 0; 54 55 protected: 56 sc_signal_in_if() : sc_interface() {} 57 58 private: 59 // Disabled 60 sc_signal_in_if(const sc_signal_in_if<T> &) : sc_interface() {} 61 sc_signal_in_if<T> & 62 operator = (const sc_signal_in_if<T> &) 63 { 64 return *this; 65 } 66}; 67 68template <> 69class sc_signal_in_if<bool> : virtual public sc_interface 70{ 71 public: 72 virtual const bool &read() const = 0; 73 74 virtual const sc_event &value_changed_event() const = 0; 75 virtual const sc_event &posedge_event() const = 0; 76 virtual const sc_event &negedge_event() const = 0; 77 78 virtual bool event() const = 0; 79 virtual bool posedge() const = 0; 80 virtual bool negedge() const = 0; 81 82 protected: 83 sc_signal_in_if() : sc_interface() {} 84 85 private: 86 // Disabled 87 sc_signal_in_if(const sc_signal_in_if<bool> &) : sc_interface() {} 88 sc_signal_in_if<bool> & 89 operator = (const sc_signal_in_if<bool> &) 90 { 91 return *this; 92 } 93}; 94 95template <> 96class sc_signal_in_if<sc_dt::sc_logic> : virtual public sc_interface 97{ 98 public: 99 virtual const sc_dt::sc_logic &read() const = 0; 100 101 virtual const sc_event &value_changed_event() const = 0; 102 virtual const sc_event &posedge_event() const = 0; 103 virtual const sc_event &negedge_event() const = 0; 104 105 virtual bool event() const = 0; 106 virtual bool posedge() const = 0; 107 virtual bool negedge() const = 0; 108 109 protected: 110 sc_signal_in_if() : sc_interface() {} 111 112 private: 113 // Disabled 114 sc_signal_in_if(const sc_signal_in_if<sc_dt::sc_logic> &) : 115 sc_interface() 116 {} 117 sc_signal_in_if<sc_dt::sc_logic> & 118 operator = (const sc_signal_in_if<sc_dt::sc_logic> &) 119 { 120 return *this; 121 } 122}; 123 124} // namespace sc_core 125 126#endif //__SYSTEMC_EXT_CHANNEL_SC_SIGNAL_IN_IF_HH__ 127