sc_buffer.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_BUFFER_HH__ 31#define __SYSTEMC_EXT_CHANNEL_SC_BUFFER_HH__ 32 33#include "../core/sc_module.hh" // for sc_gen_unique_name 34#include "sc_signal.hh" 35#include "warn_unimpl.hh" // for warn_unimpl 36 37namespace sc_core 38{ 39 40template <class T, sc_writer_policy WRITER_POLICY> 41class sc_buffer : public sc_signal<T, WRITER_POLICY> 42{ 43 public: 44 sc_buffer() : sc_signal<T, WRITER_POLICY>(sc_gen_unique_name("buffer")) {} 45 explicit sc_buffer(const char *name) : 46 sc_signal<T, WRITER_POLICY>(sc_gen_unique_name(name)) 47 {} 48 49 virtual void 50 write(const T&) 51 { 52 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 53 } 54 55 sc_buffer<T, WRITER_POLICY> & 56 operator = (const T &) 57 { 58 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 59 return *this; 60 } 61 sc_buffer<T, WRITER_POLICY> & 62 operator = (const sc_signal<T, WRITER_POLICY> &) 63 { 64 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 65 return *this; 66 } 67 sc_buffer<T, WRITER_POLICY> & 68 operator = (const sc_buffer<T, WRITER_POLICY> &) 69 { 70 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 71 return *this; 72 } 73 74 virtual const char *kind() const { return "sc_buffer"; } 75 76 protected: 77 virtual void 78 update() 79 { 80 sc_channel_warn_unimpl(__PRETTY_FUNCTION__); 81 } 82 83 private: 84 // Disabled 85 sc_buffer(const sc_buffer<T, WRITER_POLICY> &) {} 86}; 87 88} // namespace sc_core 89 90#endif //__SYSTEMC_EXT_CHANNEL_SC_BUFFER_HH__ 91