1# Copyright (c) 2012 ARM Limited
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35#
36# Authors: Andreas Sandberg
37
38from abc import ABCMeta, abstractmethod
39import m5
40from m5.objects import *
41from m5.proxy import *
42m5.util.addToPath('../configs/')
43from common import FSConfig, SysPaths
44from common.Caches import *
45from base_config import *
46
47class LinuxAlphaSystemBuilder(object):
48    """Mix-in that implements create_system.
49
50    This mix-in is intended as a convenient way of adding an
51    Alpha-specific create_system method to a class deriving from one of
52    the generic base systems.
53    """
54    def __init__(self):
55        """
56        Arguments:
57          machine_type -- String describing the platform to simulate
58        """
59        pass
60
61    def create_system(self):
62        system = FSConfig.makeLinuxAlphaSystem(self.mem_mode)
63        system.kernel = SysPaths.binary('vmlinux')
64        self.init_system(system)
65        return system
66
67class LinuxAlphaFSSystem(LinuxAlphaSystemBuilder,
68                         BaseFSSystem):
69    """Basic Alpha full system builder."""
70
71    def __init__(self, **kwargs):
72        """Initialize an Alpha 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          -
79        """
80        BaseSystem.__init__(self, **kwargs)
81        LinuxAlphaSystemBuilder.__init__(self)
82
83class LinuxAlphaFSSystemUniprocessor(LinuxAlphaSystemBuilder,
84                                     BaseFSSystemUniprocessor):
85    """Basic Alpha full system builder for uniprocessor systems.
86
87    Note: This class is a specialization of the AlphaFSSystem and is
88    only really needed to provide backwards compatibility for existing
89    test cases.
90    """
91
92    def __init__(self, **kwargs):
93        BaseFSSystemUniprocessor.__init__(self, **kwargs)
94        LinuxAlphaSystemBuilder.__init__(self)
95
96class LinuxAlphaFSSwitcheroo(LinuxAlphaSystemBuilder, BaseFSSwitcheroo):
97    """Uniprocessor Alpha system prepared for CPU switching"""
98
99    def __init__(self, **kwargs):
100        BaseFSSwitcheroo.__init__(self, **kwargs)
101        LinuxAlphaSystemBuilder.__init__(self)
102