112841Sgabeblack@google.com/* 212841Sgabeblack@google.com * Copyright 2018 Google, Inc. 312841Sgabeblack@google.com * 412841Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without 512841Sgabeblack@google.com * modification, are permitted provided that the following conditions are 612841Sgabeblack@google.com * met: redistributions of source code must retain the above copyright 712841Sgabeblack@google.com * notice, this list of conditions and the following disclaimer; 812841Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright 912841Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the 1012841Sgabeblack@google.com * documentation and/or other materials provided with the distribution; 1112841Sgabeblack@google.com * neither the name of the copyright holders nor the names of its 1212841Sgabeblack@google.com * contributors may be used to endorse or promote products derived from 1312841Sgabeblack@google.com * this software without specific prior written permission. 1412841Sgabeblack@google.com * 1512841Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1612841Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1712841Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1812841Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1912841Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2012841Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2112841Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2212841Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2312841Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2412841Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2512841Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2612841Sgabeblack@google.com * 2712841Sgabeblack@google.com * Authors: Gabe Black 2812841Sgabeblack@google.com */ 2912841Sgabeblack@google.com 3012841Sgabeblack@google.com#ifndef __SYSTEMC_EXT_CHANNEL_SC_CLOCK_HH__ 3112841Sgabeblack@google.com#define __SYSTEMC_EXT_CHANNEL_SC_CLOCK_HH__ 3212841Sgabeblack@google.com 3312841Sgabeblack@google.com#include "../core/sc_time.hh" 3412841Sgabeblack@google.com#include "sc_signal.hh" 3512841Sgabeblack@google.com 3613065Sgabeblack@google.comnamespace sc_gem5 3713065Sgabeblack@google.com{ 3813065Sgabeblack@google.com 3913065Sgabeblack@google.comclass ClockTick; 4013065Sgabeblack@google.com 4113065Sgabeblack@google.com} // namespace sc_gem5 4213065Sgabeblack@google.com 4312841Sgabeblack@google.comnamespace sc_core 4412841Sgabeblack@google.com{ 4512841Sgabeblack@google.com 4612841Sgabeblack@google.comtemplate <class T> 4712841Sgabeblack@google.comclass sc_in; 4812841Sgabeblack@google.com 4912841Sgabeblack@google.comclass sc_time; 5012841Sgabeblack@google.com 5112841Sgabeblack@google.comclass sc_clock : public sc_signal<bool> 5212841Sgabeblack@google.com{ 5312841Sgabeblack@google.com public: 5412841Sgabeblack@google.com sc_clock(); 5512841Sgabeblack@google.com explicit sc_clock(const char *name); 5612841Sgabeblack@google.com 5712841Sgabeblack@google.com sc_clock(const char *name, const sc_time &period, 5812841Sgabeblack@google.com double duty_cycle=0.5, const sc_time &start_time=SC_ZERO_TIME, 5912841Sgabeblack@google.com bool posedge_first=true); 6012841Sgabeblack@google.com 6112841Sgabeblack@google.com sc_clock(const char *name, double period_v, sc_time_unit period_tu, 6212841Sgabeblack@google.com double duty_cycle=0.5); 6312841Sgabeblack@google.com 6412841Sgabeblack@google.com sc_clock(const char *name, double period_v, sc_time_unit period_tu, 6512841Sgabeblack@google.com double duty_cycle, double start_time_v, 6612841Sgabeblack@google.com sc_time_unit start_time_tu, bool posedge_first=true); 6712841Sgabeblack@google.com 6812878Sgabeblack@google.com // Deprecated. 6912878Sgabeblack@google.com sc_clock(const char *name, double period, double duty_cycle=0.5, 7012878Sgabeblack@google.com double start_time=0.0, bool posedge_first=true); 7112878Sgabeblack@google.com 7212841Sgabeblack@google.com virtual ~sc_clock(); 7312841Sgabeblack@google.com 7412841Sgabeblack@google.com virtual void write(const bool &); 7512841Sgabeblack@google.com 7612841Sgabeblack@google.com const sc_time &period() const; 7712841Sgabeblack@google.com double duty_cycle() const; 7812841Sgabeblack@google.com const sc_time &start_time() const; 7912841Sgabeblack@google.com bool posedge_first() const; 8012841Sgabeblack@google.com 8112931Sgabeblack@google.com // Nonstandard 8212931Sgabeblack@google.com static const sc_time &time_stamp(); 8312931Sgabeblack@google.com 8413065Sgabeblack@google.com virtual const char *kind() const { return "sc_clock"; } 8512841Sgabeblack@google.com 8612841Sgabeblack@google.com protected: 8712841Sgabeblack@google.com virtual void before_end_of_elaboration(); 8812841Sgabeblack@google.com 8912841Sgabeblack@google.com private: 9013065Sgabeblack@google.com friend class ::sc_gem5::ClockTick; 9113065Sgabeblack@google.com 9212841Sgabeblack@google.com // Disabled 9312841Sgabeblack@google.com sc_clock(const sc_clock &) : sc_interface(), sc_signal<bool>() {} 9412841Sgabeblack@google.com sc_clock &operator = (const sc_clock &) { return *this; } 9513065Sgabeblack@google.com 9613065Sgabeblack@google.com sc_time _period; 9713065Sgabeblack@google.com double _dutyCycle; 9813065Sgabeblack@google.com sc_time _startTime; 9913065Sgabeblack@google.com bool _posedgeFirst; 10013065Sgabeblack@google.com 10113065Sgabeblack@google.com ::sc_gem5::ClockTick *_gem5UpEdge; 10213065Sgabeblack@google.com ::sc_gem5::ClockTick *_gem5DownEdge; 10313065Sgabeblack@google.com 10413276Sgabeblack@google.com void 10513276Sgabeblack@google.com tickUp() 10613276Sgabeblack@google.com { 10713276Sgabeblack@google.com m_new_val = true; 10813276Sgabeblack@google.com request_update(); 10913276Sgabeblack@google.com } 11013276Sgabeblack@google.com void 11113276Sgabeblack@google.com tickDown() 11213276Sgabeblack@google.com { 11313276Sgabeblack@google.com m_new_val = false; 11413276Sgabeblack@google.com request_update(); 11513276Sgabeblack@google.com } 11612841Sgabeblack@google.com}; 11712841Sgabeblack@google.com 11812841Sgabeblack@google.comtypedef sc_in<bool> sc_in_clk; 11912841Sgabeblack@google.com 12012878Sgabeblack@google.com// Deprecated 12112878Sgabeblack@google.comtypedef sc_inout<bool> sc_inout_clk; 12212878Sgabeblack@google.comtypedef sc_out<bool> sc_out_clk; 12312878Sgabeblack@google.com 12412841Sgabeblack@google.com} // namespace sc_core 12512841Sgabeblack@google.com 12612841Sgabeblack@google.com#endif //__SYSTEMC_EXT_CHANNEL_SC_CLOCK_HH__ 127