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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
+
+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/core/kernel.hh'
+
+ def sc_main(self, *args):
+ '''Call the systemc sc_main function with the given string args'''
+ from _m5.systemc import sc_main
+ sc_main(*args)
+
+# 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.
+class SystemC_ScObject(SimObject):
+ type = 'SystemC_ScObject'
+ abstract = True
+ cxx_class = 'sc_core::sc_object'
+ cxx_header = 'systemc/ext/core/sc_object.hh'
+
+ # Clear cxx_base to stop the c++ binding code from assuming
+ # sc_core::sc_object inherits from SimObject, even though SystemC_ScObject
+ # does on the python side.
+ cxx_base = None
+
+ # Hide the cxx_exports from SimObject since we don't inherit from
+ # SimObject on the c++ side and so don't have those methods to call down
+ # into.
+ locals().update({
+ method.name: (lambda *a, **k: None) for method in SimObject.cxx_exports
+ })