tests/configs/x86_generic.py

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  35
  36 from abc import ABCMeta, abstractmethod
  37 import m5
  38 from m5.objects import *
  39 from m5.proxy import *
  40 m5.util.addToPath('../configs/')
  41 from common.Benchmarks import SysConfig
  42 from common import FSConfig, SysPaths
  43 from common.Caches import *
  44 from base_config import *
  45
  46 class LinuxX86SystemBuilder(object):
  47     """Mix-in that implements create_system.
  48
  49     This mix-in is intended as a convenient way of adding an
  50     X86-specific create_system method to a class deriving from one of
  51     the generic base systems.
  52     """
  53     def __init__(self):
  54         pass
  55
  56     def create_system(self):
  57         mdesc = SysConfig(disks = ['linux-x86.img'])
  58         system = FSConfig.makeLinuxX86System(self.mem_mode,
  59                                              numCPUs=self.num_cpus,
  60                                              mdesc=mdesc)
  61         system.kernel = SysPaths.binary('x86_64-vmlinux-2.6.22.9')
  62
  63         self.init_system(system)
  64         return system
  65
  66 class LinuxX86FSSystem(LinuxX86SystemBuilder,
  67                        BaseFSSystem):
  68     """Basic X86 full system builder."""
  69
  70     def __init__(self, **kwargs):
  71         """Initialize an X86 system that supports full system simulation.
  72
  73         Note: Keyword arguments that are not listed below will be
  74         passed to the BaseFSSystem.
  75
  76         Keyword Arguments:
  77           machine_type -- String describing the platform to simulate
  78         """
  79         BaseSystem.__init__(self, **kwargs)
  80         LinuxX86SystemBuilder.__init__(self)
  81
  82     def create_caches_private(self, cpu):
  83         cpu.addPrivateSplitL1Caches(L1_ICache(size='32kB', assoc=1),
  84                                     L1_DCache(size='32kB', assoc=4),
  85                                     PageTableWalkerCache(),
  86                                     PageTableWalkerCache())
  87
  88 class LinuxX86FSSystemUniprocessor(LinuxX86SystemBuilder,
  89                                    BaseFSSystemUniprocessor):
  90     """Basic X86 full system builder for uniprocessor systems.
  91
  92     Note: This class is a specialization of the X86FSSystem and is
  93     only really needed to provide backwards compatibility for existing
  94     test cases.
  95     """
  96
  97     def __init__(self, **kwargs):
  98         BaseFSSystemUniprocessor.__init__(self, **kwargs)
  99         LinuxX86SystemBuilder.__init__(self)
 100
 101     def create_caches_private(self, cpu):
 102         cpu.addTwoLevelCacheHierarchy(L1_ICache(size='32kB', assoc=1),
 103                                       L1_DCache(size='32kB', assoc=4),
 104                                       L2Cache(size='4MB', assoc=8),
 105                                       PageTableWalkerCache(),
 106                                       PageTableWalkerCache())
 107
 108
 109 class LinuxX86FSSwitcheroo(LinuxX86SystemBuilder, BaseFSSwitcheroo):
 110     """Uniprocessor X86 system prepared for CPU switching"""
 111
 112     def __init__(self, **kwargs):
 113         BaseFSSwitcheroo.__init__(self, **kwargs)
 114         LinuxX86SystemBuilder.__init__(self)