tests/configs/arm_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 import FSConfig
  44 from Caches import *
  45 from base_config import *
  46
  47 class LinuxArmSystemBuilder(object):
  48     """Mix-in that implements create_system.
  49
  50     This mix-in is intended as a convenient way of adding an
  51     ARM-specific create_system method to a class deriving from one of
  52     the generic base systems.
  53     """
  54     def __init__(self, machine_type):
  55         """
  56         Arguments:
  57           machine_type -- String describing the platform to simulate
  58         """
  59         self.machine_type = machine_type
  60
  61     def create_system(self):
  62         system = FSConfig.makeArmSystem(self.mem_mode,
  63                                         self.machine_type,
  64                                         DDR3_1600_x64,
  65                                         None, False)
  66
  67         # We typically want the simulator to panic if the kernel
  68         # panics or oopses. This prevents the simulator from running
  69         # an obviously failed test case until the end of time.
  70         system.panic_on_panic = True
  71         system.panic_on_oops = True
  72
  73         self.init_system(system)
  74         return system
  75
  76 class LinuxArmFSSystem(LinuxArmSystemBuilder,
  77                        BaseFSSystem):
  78     """Basic ARM full system builder."""
  79
  80     def __init__(self, machine_type='RealView_PBX', **kwargs):
  81         """Initialize an ARM system that supports full system simulation.
  82
  83         Note: Keyword arguments that are not listed below will be
  84         passed to the BaseFSSystem.
  85
  86         Keyword Arguments:
  87           machine_type -- String describing the platform to simulate
  88         """
  89         BaseSystem.__init__(self, **kwargs)
  90         LinuxArmSystemBuilder.__init__(self, machine_type)
  91
  92 class LinuxArmFSSystemUniprocessor(LinuxArmSystemBuilder,
  93                                    BaseFSSystemUniprocessor):
  94     """Basic ARM full system builder for uniprocessor systems.
  95
  96     Note: This class is a specialization of the ArmFSSystem and is
  97     only really needed to provide backwards compatibility for existing
  98     test cases.
  99     """
 100
 101     def __init__(self, machine_type='RealView_PBX', **kwargs):
 102         BaseFSSystemUniprocessor.__init__(self, **kwargs)
 103         LinuxArmSystemBuilder.__init__(self, machine_type)
 104
 105
 106 class LinuxArmFSSwitcheroo(LinuxArmSystemBuilder, BaseFSSwitcheroo):
 107     """Uniprocessor ARM system prepared for CPU switching"""
 108
 109     def __init__(self, machine_type='RealView_PBX', **kwargs):
 110         BaseFSSwitcheroo.__init__(self, **kwargs)
 111         LinuxArmSystemBuilder.__init__(self, machine_type)