kernel.hh revision 12982
112837Sgabeblack@google.com/* 212837Sgabeblack@google.com * Copyright 2018 Google, Inc. 312837Sgabeblack@google.com * 412837Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without 512837Sgabeblack@google.com * modification, are permitted provided that the following conditions are 612837Sgabeblack@google.com * met: redistributions of source code must retain the above copyright 712837Sgabeblack@google.com * notice, this list of conditions and the following disclaimer; 812837Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright 912837Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the 1012837Sgabeblack@google.com * documentation and/or other materials provided with the distribution; 1112837Sgabeblack@google.com * neither the name of the copyright holders nor the names of its 1212837Sgabeblack@google.com * contributors may be used to endorse or promote products derived from 1312837Sgabeblack@google.com * this software without specific prior written permission. 1412837Sgabeblack@google.com * 1512837Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1612837Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1712837Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1812837Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1912837Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2012837Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2112837Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2212837Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2312837Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2412837Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2512837Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2612837Sgabeblack@google.com * 2712837Sgabeblack@google.com * Authors: Gabe Black 2812837Sgabeblack@google.com */ 2912837Sgabeblack@google.com 3012837Sgabeblack@google.com#ifndef __SYSTEMC_KERNEL_HH__ 3112837Sgabeblack@google.com#define __SYSTEMC_KERNEL_HH__ 3212837Sgabeblack@google.com 3312837Sgabeblack@google.com#include "params/SystemC_Kernel.hh" 3412837Sgabeblack@google.com#include "sim/sim_object.hh" 3512982Sgabeblack@google.com#include "systemc/ext/core/sc_main.hh" 3612837Sgabeblack@google.com 3712982Sgabeblack@google.comnamespace sc_gem5 3812837Sgabeblack@google.com{ 3912837Sgabeblack@google.com 4012837Sgabeblack@google.com/* 4112837Sgabeblack@google.com * This class represents the systemc kernel. There should be exactly one in 4212837Sgabeblack@google.com * the simulation. It receives gem5 SimObject lifecycle callbacks (init, 4312837Sgabeblack@google.com * regStats, etc.) and manages the lifecycle of the systemc simulation 4412837Sgabeblack@google.com * accordingly. It also acts as a collecting point for systemc related 4512837Sgabeblack@google.com * control functionality. 4612837Sgabeblack@google.com */ 4712837Sgabeblack@google.comclass Kernel : public SimObject 4812837Sgabeblack@google.com{ 4912837Sgabeblack@google.com public: 5012837Sgabeblack@google.com typedef SystemC_KernelParams Params; 5112837Sgabeblack@google.com Kernel(Params *params); 5212953Sgabeblack@google.com 5312982Sgabeblack@google.com void init() override; 5412982Sgabeblack@google.com void regStats() override; 5512953Sgabeblack@google.com void startup() override; 5612953Sgabeblack@google.com 5712953Sgabeblack@google.com void t0Handler(); 5812953Sgabeblack@google.com 5912982Sgabeblack@google.com sc_core::sc_status status() { return _status; } 6012982Sgabeblack@google.com void status(sc_core::sc_status s) { _status = s; } 6112982Sgabeblack@google.com 6212982Sgabeblack@google.com void stop(); 6312982Sgabeblack@google.com 6412982Sgabeblack@google.com bool startOfSimulationComplete() { return _startComplete; } 6512982Sgabeblack@google.com bool endOfSimulationComplete() { return _endComplete; } 6612982Sgabeblack@google.com 6712953Sgabeblack@google.com private: 6812982Sgabeblack@google.com bool _stopAfterCallbacks; 6912982Sgabeblack@google.com void stopWork(); 7012982Sgabeblack@google.com 7112982Sgabeblack@google.com bool _startComplete; 7212982Sgabeblack@google.com bool _endComplete; 7312982Sgabeblack@google.com sc_core::sc_status _status; 7412982Sgabeblack@google.com 7512953Sgabeblack@google.com EventWrapper<Kernel, &Kernel::t0Handler> t0Event; 7612837Sgabeblack@google.com}; 7712837Sgabeblack@google.com 7812982Sgabeblack@google.comextern Kernel *kernel; 7912982Sgabeblack@google.com 8012982Sgabeblack@google.com} // namespace sc_gem5 8112837Sgabeblack@google.com 8212837Sgabeblack@google.com#endif // __SYSTEMC_KERNEL_H__ 83