# Copyright 2018 Google, Inc.
#
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from m5.params import *
from m5.SimObject import SimObject

from m5.objects.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.")