arm_generic.py revision 9826:014ff1fbff6d 
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, None, False)
64
65        # We typically want the simulator to panic if the kernel
66        # panics or oopses. This prevents the simulator from running
67        # an obviously failed test case until the end of time.
68        system.panic_on_panic = True
69        system.panic_on_oops = True
70
71        self.init_system(system)
72        return system
73
74class LinuxArmFSSystem(LinuxArmSystemBuilder,
75                       BaseFSSystem):
76    """Basic ARM full system builder."""
77
78    def __init__(self, machine_type='RealView_PBX', **kwargs):
79        """Initialize an ARM system that supports full system simulation.
80
81        Note: Keyword arguments that are not listed below will be
82        passed to the BaseFSSystem.
83
84        Keyword Arguments:
85          machine_type -- String describing the platform to simulate
86        """
87        BaseSystem.__init__(self, **kwargs)
88        LinuxArmSystemBuilder.__init__(self, machine_type)
89
90class LinuxArmFSSystemUniprocessor(LinuxArmSystemBuilder,
91                                   BaseFSSystemUniprocessor):
92    """Basic ARM full system builder for uniprocessor systems.
93
94    Note: This class is a specialization of the ArmFSSystem and is
95    only really needed to provide backwards compatibility for existing
96    test cases.
97    """
98
99    def __init__(self, machine_type='RealView_PBX', **kwargs):
100        BaseFSSystemUniprocessor.__init__(self, **kwargs)
101        LinuxArmSystemBuilder.__init__(self, machine_type)
102
103
104class LinuxArmFSSwitcheroo(LinuxArmSystemBuilder, BaseFSSwitcheroo):
105    """Uniprocessor ARM system prepared for CPU switching"""
106
107    def __init__(self, machine_type='RealView_PBX', **kwargs):
108        BaseFSSwitcheroo.__init__(self, **kwargs)
109        LinuxArmSystemBuilder.__init__(self, machine_type)
110