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# Copyright (c) 2012 ARM Limited
# All rights reserved.
#
# The license below extends only to copyright in the software and shall
# not be construed as granting a license to any other intellectual
# property including but not limited to intellectual property relating
# to a hardware implementation of the functionality of the software
# licensed hereunder. You may use the software subject to the license
# terms below provided that you ensure that this notice is replicated
# unmodified and in its entirety in all distributions of the software,
# modified or unmodified, in source code or in binary form.
#
# 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: Andreas Sandberg
from abc import ABCMeta, abstractmethod
import m5
from m5.objects import *
from m5.proxy import *
m5.util.addToPath('../configs/')
from common.Benchmarks import SysConfig
from common import FSConfig
from common.Caches import *
from base_config import *
class LinuxX86SystemBuilder(object):
"""Mix-in that implements create_system.
This mix-in is intended as a convenient way of adding an
X86-specific create_system method to a class deriving from one of
the generic base systems.
"""
def __init__(self):
pass
def create_system(self):
mdesc = SysConfig(disk = 'linux-x86.img')
system = FSConfig.makeLinuxX86System(self.mem_mode,
numCPUs=self.num_cpus,
mdesc=mdesc)
self.init_system(system)
return system
class LinuxX86FSSystem(LinuxX86SystemBuilder,
BaseFSSystem):
"""Basic X86 full system builder."""
def __init__(self, **kwargs):
"""Initialize an X86 system that supports full system simulation.
Note: Keyword arguments that are not listed below will be
passed to the BaseFSSystem.
Keyword Arguments:
machine_type -- String describing the platform to simulate
"""
BaseSystem.__init__(self, **kwargs)
LinuxX86SystemBuilder.__init__(self)
def create_caches_private(self, cpu):
cpu.addPrivateSplitL1Caches(L1_ICache(size='32kB', assoc=1),
L1_DCache(size='32kB', assoc=4),
PageTableWalkerCache(),
PageTableWalkerCache())
class LinuxX86FSSystemUniprocessor(LinuxX86SystemBuilder,
BaseFSSystemUniprocessor):
"""Basic X86 full system builder for uniprocessor systems.
Note: This class is a specialization of the X86FSSystem and is
only really needed to provide backwards compatibility for existing
test cases.
"""
def __init__(self, **kwargs):
BaseFSSystemUniprocessor.__init__(self, **kwargs)
LinuxX86SystemBuilder.__init__(self)
def create_caches_private(self, cpu):
cpu.addTwoLevelCacheHierarchy(L1_ICache(size='32kB', assoc=1),
L1_DCache(size='32kB', assoc=4),
L2Cache(size='4MB', assoc=8),
PageTableWalkerCache(),
PageTableWalkerCache())
class LinuxX86FSSwitcheroo(LinuxX86SystemBuilder, BaseFSSwitcheroo):
"""Uniprocessor X86 system prepared for CPU switching"""
def __init__(self, **kwargs):
BaseFSSwitcheroo.__init__(self, **kwargs)
LinuxX86SystemBuilder.__init__(self)
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