3224bc3554
This makes it possible to call them without having to have a kernel instance available. The kernel is a singleton anyway, so there should only ever be a single instance of any of these values. Change-Id: I3610d60cc72e9f3114997fe63db94b96ccaac3cd Reviewed-on: https://gem5-review.googlesource.com/12041 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
78 lines
2.6 KiB
C++
78 lines
2.6 KiB
C++
/*
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* Copyright 2018 Google, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Gabe Black
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*/
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#ifndef __SYSTEMC_KERNEL_HH__
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#define __SYSTEMC_KERNEL_HH__
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#include "params/SystemC_Kernel.hh"
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#include "sim/sim_object.hh"
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#include "systemc/ext/core/sc_main.hh"
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namespace sc_gem5
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{
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/*
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* This class represents the systemc kernel. There should be exactly one in
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* the simulation. It receives gem5 SimObject lifecycle callbacks (init,
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* regStats, etc.) and manages the lifecycle of the systemc simulation
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* accordingly. It also acts as a collecting point for systemc related
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* control functionality.
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*/
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class Kernel : public SimObject
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{
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public:
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typedef SystemC_KernelParams Params;
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Kernel(Params *params);
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void init() override;
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void regStats() override;
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void startup() override;
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void t0Handler();
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static sc_core::sc_status status();
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static void status(sc_core::sc_status s);
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static void stop();
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static bool startOfSimulationComplete();
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static bool endOfSimulationComplete();
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private:
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static void stopWork();
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EventWrapper<Kernel, &Kernel::t0Handler> t0Event;
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};
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extern Kernel *kernel;
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} // namespace sc_gem5
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#endif // __SYSTEMC_KERNEL_H__
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