x86_generic.py revision 10884:c60acdbdd6ad 
1# Copyright (c) 2012 ARM Limited
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36# Authors: Andreas Sandberg
37
38from abc import ABCMeta, abstractmethod
39import m5
40from m5.objects import *
41from m5.proxy import *
42m5.util.addToPath('../configs/common')
43from Benchmarks import SysConfig
44import FSConfig
45from Caches import *
46from base_config import *
47
48class LinuxX86SystemBuilder(object):
49    """Mix-in that implements create_system.
50
51    This mix-in is intended as a convenient way of adding an
52    X86-specific create_system method to a class deriving from one of
53    the generic base systems.
54    """
55    def __init__(self):
56        pass
57
58    def create_system(self):
59        mdesc = SysConfig(disk = 'linux-x86.img')
60        system = FSConfig.makeLinuxX86System(self.mem_mode,
61                                             numCPUs=self.num_cpus,
62                                             mdesc=mdesc)
63
64        self.init_system(system)
65        return system
66
67class LinuxX86FSSystem(LinuxX86SystemBuilder,
68                       BaseFSSystem):
69    """Basic X86 full system builder."""
70
71    def __init__(self, **kwargs):
72        """Initialize an X86 system that supports full system simulation.
73
74        Note: Keyword arguments that are not listed below will be
75        passed to the BaseFSSystem.
76
77        Keyword Arguments:
78          machine_type -- String describing the platform to simulate
79        """
80        BaseSystem.__init__(self, **kwargs)
81        LinuxX86SystemBuilder.__init__(self)
82
83    def create_caches_private(self, cpu):
84        cpu.addPrivateSplitL1Caches(L1_ICache(size='32kB', assoc=1),
85                                    L1_DCache(size='32kB', assoc=4),
86                                    PageTableWalkerCache(),
87                                    PageTableWalkerCache())
88
89class LinuxX86FSSystemUniprocessor(LinuxX86SystemBuilder,
90                                   BaseFSSystemUniprocessor):
91    """Basic X86 full system builder for uniprocessor systems.
92
93    Note: This class is a specialization of the X86FSSystem and is
94    only really needed to provide backwards compatibility for existing
95    test cases.
96    """
97
98    def __init__(self, **kwargs):
99        BaseFSSystemUniprocessor.__init__(self, **kwargs)
100        LinuxX86SystemBuilder.__init__(self)
101
102    def create_caches_private(self, cpu):
103        cpu.addTwoLevelCacheHierarchy(L1_ICache(size='32kB', assoc=1),
104                                      L1_DCache(size='32kB', assoc=4),
105                                      L2Cache(size='4MB', assoc=8),
106                                      PageTableWalkerCache(),
107                                      PageTableWalkerCache())
108
109
110class LinuxX86FSSwitcheroo(LinuxX86SystemBuilder, BaseFSSwitcheroo):
111    """Uniprocessor X86 system prepared for CPU switching"""
112
113    def __init__(self, **kwargs):
114        BaseFSSwitcheroo.__init__(self, **kwargs)
115        LinuxX86SystemBuilder.__init__(self)
116