sc_signal_rv.hh revision 12841:22aa7ba47bf9
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_RV_HH__ 31#define __SYSTEMC_EXT_CHANNEL_SC_SIGNAL_RV_HH__ 32 33#include "../core/sc_module.hh" // for sc_gen_unique_name 34#include "sc_signal.hh" 35#include "warn_unimpl.hh" 36 37namespace sc_dt 38{ 39 40template <int W> 41class sc_lv; 42 43}; 44 45namespace sc_core 46{ 47 48class sc_port_base; 49 50template <int W> 51class sc_signal_rv : public sc_signal<sc_dt::sc_lv<W>, SC_MANY_WRITERS> 52{ 53 public: 54 sc_signal_rv() : sc_signal<sc_dt::sc_lv<W>, SC_MANY_WRITERS>( 55 sc_gen_unique_name("signal_rv")) 56 {} 57 sc_signal_rv(const char *name) : 58 sc_signal<sc_dt::sc_lv<W>, SC_MANY_WRITERS>(name) 59 {} 60 virtual ~sc_signal_rv() {} 61 62 virtual void 63 register_port(sc_port_base &, const char *) 64 { 65 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 66 } 67 68 virtual void 69 write(const sc_dt::sc_lv<W> &) 70 { 71 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 72 } 73 sc_signal_rv<W> & 74 operator = (const sc_dt::sc_lv<W> &) 75 { 76 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 77 return *this; 78 } 79 sc_signal_rv<W> & 80 operator = (const sc_signal_rv<W> &) 81 { 82 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 83 return *this; 84 } 85 86 virtual const char *kind() const { return "sc_signal_rv"; } 87 88 protected: 89 virtual void 90 update() 91 { 92 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 93 } 94 95 private: 96 // Disabled 97 sc_signal_rv(const sc_signal_rv<W> &) : 98 sc_signal<sc_dt::sc_lv<W>, SC_MANY_WRITERS>() 99 {} 100}; 101 102} // namespace sc_core 103 104#endif //__SYSTEMC_EXT_CHANNEL_SC_SIGNAL_RV_HH__ 105