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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.params import *
+from m5.SimObject import SimObject
+
+from SystemC import SystemC_ScModule
+
+# This class is a subclass of sc_module, and all the special magic which makes
+# that work is handled in the base classes.
+class SystemC_Printer(SystemC_ScModule):
+ type = 'SystemC_Printer'
+ cxx_class = 'Printer'
+ cxx_header = 'systemc_simple_object/printer.hh'
+ # This parameter will be available in the SystemC_PrinterParams::create
+ # function and can be passed to the c++ object's constructor, used to set
+ # one of its member variables, as a parameter to one of its methods, etc.
+ prefix = Param.String('', 'Prefix for each word')
+
+# This is a standard gem5 SimObject class with no special accomodation for the
+# fact that one of its parameters is a systemc object.
+class Gem5_Feeder(SimObject):
+ type = 'Gem5_Feeder'
+ cxx_class = 'Feeder'
+ cxx_header = 'systemc_simple_object/feeder.hh'
+ # This parameter will be a pointer to an instance of the class above.
+ printer = Param.SystemC_Printer('Printer for our words.')
+ delay = Param.Latency('1ns', 'Time to wait between each word.')
+ strings = VectorParam.String([], 'Words to print.')