From 889fdb90d92180f9b0526ffdcf1690715ac8e715 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Wed, 2 May 2018 01:44:40 -0700 Subject: systemc: Add a stub kernel SimObject. The guts of this class will be added in later changes. Change-Id: I3582c40f88f7d9ba6028a6f0a8ee5c32924a65bf Reviewed-on: https://gem5-review.googlesource.com/10822 Maintainer: Gabe Black Reviewed-by: Giacomo Travaglini --- src/systemc/SConscript | 2 ++ src/systemc/SystemC.py | 9 +++++++++ src/systemc/kernel.cc | 45 +++++++++++++++++++++++++++++++++++++++++ src/systemc/kernel.hh | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 111 insertions(+) create mode 100644 src/systemc/kernel.cc create mode 100644 src/systemc/kernel.hh diff --git a/src/systemc/SConscript b/src/systemc/SConscript index 40ad8fc15..21f9b19a3 100644 --- a/src/systemc/SConscript +++ b/src/systemc/SConscript @@ -30,4 +30,6 @@ Import('*') if env['USE_SYSTEMC']: SimObject('SystemC.py') + Source('kernel.cc') + Source('sc_object.cc') diff --git a/src/systemc/SystemC.py b/src/systemc/SystemC.py index 07ca84bd0..8eb6c22a2 100644 --- a/src/systemc/SystemC.py +++ b/src/systemc/SystemC.py @@ -27,6 +27,15 @@ from m5.SimObject import SimObject +# 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 SystemC_Kernel(SimObject): + type = 'SystemC_Kernel' + cxx_class = 'SystemC::Kernel' + cxx_header = 'systemc/kernel.hh' + # This class represents systemc sc_object instances in python config files. It # inherits from SimObject in python, but the c++ version, sc_core::sc_object, # doesn't inherit from gem5's c++ SimObject class. diff --git a/src/systemc/kernel.cc b/src/systemc/kernel.cc new file mode 100644 index 000000000..e52d04e11 --- /dev/null +++ b/src/systemc/kernel.cc @@ -0,0 +1,45 @@ +/* + * 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 + */ + +#include "systemc/kernel.hh" + +namespace SystemC +{ + +Kernel::Kernel(Params *params) : SimObject(params) +{ +} + +} // namespace SystemC + +SystemC::Kernel * +SystemC_KernelParams::create() +{ + return new SystemC::Kernel(this); +} diff --git a/src/systemc/kernel.hh b/src/systemc/kernel.hh new file mode 100644 index 000000000..9a81d9db4 --- /dev/null +++ b/src/systemc/kernel.hh @@ -0,0 +1,55 @@ +/* + * 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" + +namespace SystemC +{ + +/* + * 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); +}; + +} // namespace SystemC + +#endif // __SYSTEMC_KERNEL_H__ -- cgit v1.2.3