x86_generic.py revision 9665:6dbdeee787cc 
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                                             SimpleDDR3,
62                                             numCPUs=self.num_cpus,
63                                             mdesc=mdesc)
64        system.kernel = FSConfig.binary('x86_64-vmlinux-2.6.22.9')
65
66        self.init_system(system)
67        return system
68
69class LinuxX86FSSystem(LinuxX86SystemBuilder,
70                       BaseFSSystem):
71    """Basic X86 full system builder."""
72
73    def __init__(self, **kwargs):
74        """Initialize an X86 system that supports full system simulation.
75
76        Note: Keyword arguments that are not listed below will be
77        passed to the BaseFSSystem.
78
79        Keyword Arguments:
80          machine_type -- String describing the platform to simulate
81        """
82        BaseSystem.__init__(self, **kwargs)
83        LinuxX86SystemBuilder.__init__(self)
84
85    def create_caches_private(self, cpu):
86        cpu.addPrivateSplitL1Caches(L1Cache(size='32kB', assoc=1),
87                                    L1Cache(size='32kB', assoc=4),
88                                    PageTableWalkerCache(),
89                                    PageTableWalkerCache())
90
91class LinuxX86FSSystemUniprocessor(LinuxX86SystemBuilder,
92                                   BaseFSSystemUniprocessor):
93    """Basic X86 full system builder for uniprocessor systems.
94
95    Note: This class is a specialization of the X86FSSystem and is
96    only really needed to provide backwards compatibility for existing
97    test cases.
98    """
99
100    def __init__(self, **kwargs):
101        BaseFSSystemUniprocessor.__init__(self, **kwargs)
102        LinuxX86SystemBuilder.__init__(self)
103
104    def create_caches_private(self, cpu):
105        cpu.addTwoLevelCacheHierarchy(L1Cache(size='32kB', assoc=1),
106                                      L1Cache(size='32kB', assoc=4),
107                                      L2Cache(size='4MB', assoc=8),
108                                      PageTableWalkerCache(),
109                                      PageTableWalkerCache())
110