arm_generic.py revision 9447 
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')
43import FSConfig
44from Caches import *
45from base_config import *
46
47class 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                                        None, False)
65        self.init_system(system)
66        return system
67
68class LinuxArmFSSystem(LinuxArmSystemBuilder,
69                       BaseFSSystem):
70    """Basic ARM full system builder."""
71
72    def __init__(self, machine_type='RealView_PBX', **kwargs):
73        """Initialize an ARM system that supports full system simulation.
74
75        Note: Keyword arguments that are not listed below will be
76        passed to the BaseFSSystem.
77
78        Keyword Arguments:
79          machine_type -- String describing the platform to simulate
80        """
81        BaseSystem.__init__(self, **kwargs)
82        LinuxArmSystemBuilder.__init__(self, machine_type)
83
84class LinuxArmFSSystemUniprocessor(LinuxArmSystemBuilder,
85                                   BaseFSSystemUniprocessor):
86    """Basic ARM full system builder for uniprocessor systems.
87
88    Note: This class is a specialization of the ArmFSSystem and is
89    only really needed to provide backwards compatibility for existing
90    test cases.
91    """
92
93    def __init__(self, machine_type='RealView_PBX', **kwargs):
94        BaseFSSystemUniprocessor.__init__(self, **kwargs)
95        LinuxArmSystemBuilder.__init__(self, machine_type)
96
97
98class LinuxArmFSSwitcheroo(LinuxArmSystemBuilder, BaseFSSwitcheroo):
99    """Uniprocessor ARM system prepared for CPU switching"""
100
101    def __init__(self, machine_type='RealView_PBX', **kwargs):
102        BaseFSSwitcheroo.__init__(self, **kwargs)
103        LinuxArmSystemBuilder.__init__(self, machine_type)
104