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/*
* Copyright 2018 Google, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Gabe Black
*/
#ifndef __SYSTEMC_KERNEL_HH__
#define __SYSTEMC_KERNEL_HH__
#include "params/SystemC_Kernel.hh"
#include "sim/sim_object.hh"
#include "systemc/ext/core/sc_main.hh"
namespace sc_gem5
{
/*
* This class represents the systemc kernel. There should be exactly one in
* the simulation. It receives gem5 SimObject lifecycle callbacks (init,
* regStats, etc.) and manages the lifecycle of the systemc simulation
* accordingly. It also acts as a collecting point for systemc related
* control functionality.
*/
class Kernel : public SimObject
{
public:
typedef SystemC_KernelParams Params;
Kernel(Params *params);
void init() override;
void regStats() override;
void startup() override;
void t0Handler();
static sc_core::sc_status status();
static void status(sc_core::sc_status s);
static void stop();
static bool startOfSimulationComplete();
static bool endOfSimulationComplete();
static bool scMainFinished();
static void scMainFinished(bool);
private:
static void stopWork();
EventWrapper<Kernel, &Kernel::t0Handler> t0Event;
};
extern Kernel *kernel;
} // namespace sc_gem5
#endif // __SYSTEMC_KERNEL_H__
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