# Copyright (c) 2005-2007 The Regents of The University of Michigan
# All rights reserved.
#
# 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: Nathan Binkert

from m5.SimObject import SimObject
from m5.params import *
from m5.proxy import *
from m5 import build_env
from PhysicalMemory import *

class MemoryMode(Enum): vals = ['invalid', 'atomic', 'timing']

class System(SimObject):
    type = 'System'
    swig_objdecls = [ '%include "python/swig/system.i"' ]

    physmem = Param.PhysicalMemory(Parent.any, "phsyical memory")
    mem_mode = Param.MemoryMode('atomic', "The mode the memory system is in")
    if build_env['FULL_SYSTEM']:
        abstract = True
        boot_cpu_frequency = Param.Frequency(Self.cpu[0].clock.frequency,
                                             "boot processor frequency")
        init_param = Param.UInt64(0, "numerical value to pass into simulator")
        boot_osflags = Param.String("a", "boot flags to pass to the kernel")
        kernel = Param.String("", "file that contains the kernel code")
        readfile = Param.String("", "file to read startup script from")
        symbolfile = Param.String("", "file to get the symbols from")