tests/configs/x86_generic.py

   1 # Copyright (c) 2012 ARM Limited
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  35 #
  36 # Authors: Andreas Sandberg
  37
  38 from abc import ABCMeta, abstractmethod
  39 import m5
  40 from m5.objects import *
  41 from m5.proxy import *
  42 m5.util.addToPath('../configs/common')
  43 from Benchmarks import SysConfig
  44 import FSConfig
  45 from Caches import *
  46 from base_config import *
  47
  48 class 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
  67 class 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
  89 class 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
 110 class 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)