alpha_generic.py revision 9826 
1# Copyright (c) 2012 ARM Limited
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder.  You may use the software subject to the license
9# terms below provided that you ensure that this notice is replicated
10# unmodified and in its entirety in all distributions of the software,
11# modified or unmodified, in source code or in binary form.
12#
13# Redistribution and use in source and binary forms, with or without
14# modification, are permitted provided that the following conditions are
15# met: redistributions of source code must retain the above copyright
16# notice, this list of conditions and the following disclaimer;
17# redistributions in binary form must reproduce the above copyright
18# notice, this list of conditions and the following disclaimer in the
19# documentation and/or other materials provided with the distribution;
20# neither the name of the copyright holders nor the names of its
21# contributors may be used to endorse or promote products derived from
22# this software without specific prior written permission.
23#
24# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/common')
43import FSConfig
44from 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        self.init_system(system)
64        return system
65
66class LinuxAlphaFSSystem(LinuxAlphaSystemBuilder,
67                         BaseFSSystem):
68    """Basic Alpha full system builder."""
69
70    def __init__(self, **kwargs):
71        """Initialize an Alpha 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          -
78        """
79        BaseSystem.__init__(self, **kwargs)
80        LinuxAlphaSystemBuilder.__init__(self)
81
82class LinuxAlphaFSSystemUniprocessor(LinuxAlphaSystemBuilder,
83                                     BaseFSSystemUniprocessor):
84    """Basic Alpha full system builder for uniprocessor systems.
85
86    Note: This class is a specialization of the AlphaFSSystem and is
87    only really needed to provide backwards compatibility for existing
88    test cases.
89    """
90
91    def __init__(self, **kwargs):
92        BaseFSSystemUniprocessor.__init__(self, **kwargs)
93        LinuxAlphaSystemBuilder.__init__(self)
94
95class LinuxAlphaFSSwitcheroo(LinuxAlphaSystemBuilder, BaseFSSwitcheroo):
96    """Uniprocessor Alpha system prepared for CPU switching"""
97
98    def __init__(self, **kwargs):
99        BaseFSSwitcheroo.__init__(self, **kwargs)
100        LinuxAlphaSystemBuilder.__init__(self)
101