gem5/tests/configs/x86_generic.py
Andreas Sandberg f32f372455 tests: Create base classes to encapsulate common test configurations
Most of the test cases currently contain a large amount of duplicated
boiler plate code. This changeset introduces a set of classes that
encapsulates most of the functionality when setting up a test
configuration.

The following base classes are introduced:
* BaseSystem - Basic system configuration that can be used for both
               SE and FS simulation.

* BaseFSSystem - Basic FS configuration uni-processor and multi-processor
                 configurations.

* BaseFSSystemUniprocessor - Basic FS configuration for uni-processor
                             configurations. This is provided as a way
			     to make existing test cases backwards
			     compatible.

Architecture specific implementations are provided for ARM, Alpha, and
X86.
2013-01-07 13:05:33 -05:00

108 lines
4.6 KiB
Python

# Copyright (c) 2012 ARM Limited
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#
# The license below extends only to copyright in the software and shall
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# 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
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# this software without specific prior written permission.
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# 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,
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())