1# Copyright (c) 2012, 2017 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/')
43from common import FSConfig
44from common.Caches import *
45from base_config import *
| 1# Copyright (c) 2012, 2017 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/')
43from common import FSConfig
44from common.Caches import *
45from base_config import *
|
47from common.Benchmarks import SysConfig
48
49class ArmSESystemUniprocessor(BaseSESystemUniprocessor):
50 """Syscall-emulation builder for ARM uniprocessor systems.
51
52 A small tweak of the syscall-emulation builder to use more
53 representative cache configurations.
54 """
55
56 def __init__(self, **kwargs):
57 BaseSESystem.__init__(self, **kwargs)
58
59 def create_caches_private(self, cpu):
60 # The atomic SE configurations do not use caches
61 if self.mem_mode == "timing":
62 # Use the more representative cache configuration
63 cpu.addTwoLevelCacheHierarchy(O3_ARM_v7a_ICache(),
64 O3_ARM_v7a_DCache(),
65 O3_ARM_v7aL2())
66
67class LinuxArmSystemBuilder(object):
68 """Mix-in that implements create_system.
69
70 This mix-in is intended as a convenient way of adding an
71 ARM-specific create_system method to a class deriving from one of
72 the generic base systems.
73 """
74 def __init__(self, machine_type, **kwargs):
75 """
76 Arguments:
77 machine_type -- String describing the platform to simulate
78 num_cpus -- integer number of CPUs in the system
79 use_ruby -- True if ruby is used instead of the classic memory system
80 """
81 self.machine_type = machine_type
82 self.num_cpus = kwargs.get('num_cpus', 1)
83 self.mem_size = kwargs.get('mem_size', '256MB')
84 self.use_ruby = kwargs.get('use_ruby', False)
85
86 def create_system(self):
87 sc = SysConfig(None, self.mem_size, None)
88 system = FSConfig.makeArmSystem(self.mem_mode,
89 self.machine_type, self.num_cpus,
90 sc, False, ruby=self.use_ruby)
91
92 # We typically want the simulator to panic if the kernel
93 # panics or oopses. This prevents the simulator from running
94 # an obviously failed test case until the end of time.
95 system.panic_on_panic = True
96 system.panic_on_oops = True
97
98 self.init_system(system)
99 return system
100
101class LinuxArmFSSystem(LinuxArmSystemBuilder,
102 BaseFSSystem):
103 """Basic ARM full system builder."""
104
105 def __init__(self, machine_type='VExpress_EMM', **kwargs):
106 """Initialize an ARM system that supports full system simulation.
107
108 Note: Keyword arguments that are not listed below will be
109 passed to the BaseFSSystem.
110
111 Keyword Arguments:
112 machine_type -- String describing the platform to simulate
113 """
114 BaseSystem.__init__(self, **kwargs)
115 LinuxArmSystemBuilder.__init__(self, machine_type, **kwargs)
116
117 def create_caches_private(self, cpu):
118 # Use the more representative cache configuration
119 cpu.addTwoLevelCacheHierarchy(O3_ARM_v7a_ICache(),
120 O3_ARM_v7a_DCache(),
121 O3_ARM_v7aL2())
122
123class LinuxArmFSSystemUniprocessor(LinuxArmSystemBuilder,
124 BaseFSSystemUniprocessor):
125 """Basic ARM full system builder for uniprocessor systems.
126
127 Note: This class is a specialization of the ArmFSSystem and is
128 only really needed to provide backwards compatibility for existing
129 test cases.
130 """
131
132 def __init__(self, machine_type='VExpress_EMM', **kwargs):
133 BaseFSSystemUniprocessor.__init__(self, **kwargs)
134 LinuxArmSystemBuilder.__init__(self, machine_type, **kwargs)
135
136class LinuxArmFSSwitcheroo(LinuxArmSystemBuilder, BaseFSSwitcheroo):
137 """Uniprocessor ARM system prepared for CPU switching"""
138
139 def __init__(self, machine_type='VExpress_EMM', **kwargs):
140 BaseFSSwitcheroo.__init__(self, **kwargs)
141 LinuxArmSystemBuilder.__init__(self, machine_type, **kwargs)
| 47from common.Benchmarks import SysConfig
48
49class ArmSESystemUniprocessor(BaseSESystemUniprocessor):
50 """Syscall-emulation builder for ARM uniprocessor systems.
51
52 A small tweak of the syscall-emulation builder to use more
53 representative cache configurations.
54 """
55
56 def __init__(self, **kwargs):
57 BaseSESystem.__init__(self, **kwargs)
58
59 def create_caches_private(self, cpu):
60 # The atomic SE configurations do not use caches
61 if self.mem_mode == "timing":
62 # Use the more representative cache configuration
63 cpu.addTwoLevelCacheHierarchy(O3_ARM_v7a_ICache(),
64 O3_ARM_v7a_DCache(),
65 O3_ARM_v7aL2())
66
67class LinuxArmSystemBuilder(object):
68 """Mix-in that implements create_system.
69
70 This mix-in is intended as a convenient way of adding an
71 ARM-specific create_system method to a class deriving from one of
72 the generic base systems.
73 """
74 def __init__(self, machine_type, **kwargs):
75 """
76 Arguments:
77 machine_type -- String describing the platform to simulate
78 num_cpus -- integer number of CPUs in the system
79 use_ruby -- True if ruby is used instead of the classic memory system
80 """
81 self.machine_type = machine_type
82 self.num_cpus = kwargs.get('num_cpus', 1)
83 self.mem_size = kwargs.get('mem_size', '256MB')
84 self.use_ruby = kwargs.get('use_ruby', False)
85
86 def create_system(self):
87 sc = SysConfig(None, self.mem_size, None)
88 system = FSConfig.makeArmSystem(self.mem_mode,
89 self.machine_type, self.num_cpus,
90 sc, False, ruby=self.use_ruby)
91
92 # We typically want the simulator to panic if the kernel
93 # panics or oopses. This prevents the simulator from running
94 # an obviously failed test case until the end of time.
95 system.panic_on_panic = True
96 system.panic_on_oops = True
97
98 self.init_system(system)
99 return system
100
101class LinuxArmFSSystem(LinuxArmSystemBuilder,
102 BaseFSSystem):
103 """Basic ARM full system builder."""
104
105 def __init__(self, machine_type='VExpress_EMM', **kwargs):
106 """Initialize an ARM system that supports full system simulation.
107
108 Note: Keyword arguments that are not listed below will be
109 passed to the BaseFSSystem.
110
111 Keyword Arguments:
112 machine_type -- String describing the platform to simulate
113 """
114 BaseSystem.__init__(self, **kwargs)
115 LinuxArmSystemBuilder.__init__(self, machine_type, **kwargs)
116
117 def create_caches_private(self, cpu):
118 # Use the more representative cache configuration
119 cpu.addTwoLevelCacheHierarchy(O3_ARM_v7a_ICache(),
120 O3_ARM_v7a_DCache(),
121 O3_ARM_v7aL2())
122
123class LinuxArmFSSystemUniprocessor(LinuxArmSystemBuilder,
124 BaseFSSystemUniprocessor):
125 """Basic ARM full system builder for uniprocessor systems.
126
127 Note: This class is a specialization of the ArmFSSystem and is
128 only really needed to provide backwards compatibility for existing
129 test cases.
130 """
131
132 def __init__(self, machine_type='VExpress_EMM', **kwargs):
133 BaseFSSystemUniprocessor.__init__(self, **kwargs)
134 LinuxArmSystemBuilder.__init__(self, machine_type, **kwargs)
135
136class LinuxArmFSSwitcheroo(LinuxArmSystemBuilder, BaseFSSwitcheroo):
137 """Uniprocessor ARM system prepared for CPU switching"""
138
139 def __init__(self, machine_type='VExpress_EMM', **kwargs):
140 BaseFSSwitcheroo.__init__(self, **kwargs)
141 LinuxArmSystemBuilder.__init__(self, machine_type, **kwargs)
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