# 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/common') from Benchmarks import SysConfig import FSConfig from 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, SimpleDDR3, numCPUs=self.num_cpus, mdesc=mdesc) system.kernel = FSConfig.binary('x86_64-vmlinux-2.6.22.9') 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(L1Cache(size='32kB', assoc=1), L1Cache(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(L1Cache(size='32kB', assoc=1), L1Cache(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)