1# Copyright (c) 2012, 2017, 2019 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 *
46from common.cores.arm.O3_ARM_v7a import *
47from common.Benchmarks import SysConfig
48
49from common import SysPaths
50
51class ArmSESystemUniprocessor(BaseSESystemUniprocessor):
52 """Syscall-emulation builder for ARM uniprocessor systems.
53
54 A small tweak of the syscall-emulation builder to use more
55 representative cache configurations.
56 """
57
58 def __init__(self, **kwargs):
59 BaseSESystem.__init__(self, **kwargs)
60
61 def create_caches_private(self, cpu):
62 # The atomic SE configurations do not use caches
63 if self.mem_mode == "timing":
64 # Use the more representative cache configuration
65 cpu.addTwoLevelCacheHierarchy(O3_ARM_v7a_ICache(),
66 O3_ARM_v7a_DCache(),
67 O3_ARM_v7aL2())
68
69class LinuxArmSystemBuilder(object):
70 """Mix-in that implements create_system.
71
72 This mix-in is intended as a convenient way of adding an
73 ARM-specific create_system method to a class deriving from one of
74 the generic base systems.
75 """
76 def __init__(self, machine_type, **kwargs):
77 """
78 Arguments:
79 machine_type -- String describing the platform to simulate
80 num_cpus -- integer number of CPUs in the system
81 use_ruby -- True if ruby is used instead of the classic memory system
82 """
83 self.machine_type = machine_type
84 self.num_cpus = kwargs.get('num_cpus', 1)
85 self.mem_size = kwargs.get('mem_size', '256MB')
86 self.use_ruby = kwargs.get('use_ruby', False)
87
88 def create_system(self):
89 sc = SysConfig(None, self.mem_size, None)
90 system = FSConfig.makeArmSystem(self.mem_mode,
91 self.machine_type, self.num_cpus,
92 sc, False, ruby=self.use_ruby)
93
94 # We typically want the simulator to panic if the kernel
95 # panics or oopses. This prevents the simulator from running
96 # an obviously failed test case until the end of time.
97 system.panic_on_panic = True
98 system.panic_on_oops = True
99
100 default_kernels = {
101 "RealViewPBX": "vmlinux.arm.smp.fb.2.6.38.8",
102 "VExpress_EMM": "vmlinux.aarch32.ll_20131205.0-gem5",
103 "VExpress_EMM64": "vmlinux.aarch64.20140821",
104 }
105 system.kernel = SysPaths.binary(default_kernels[self.machine_type])
106 default_dtbs = {
107 "RealViewPBX": None,
108 "VExpress_EMM": "vexpress.aarch32.ll_20131205.0-gem5.{}cpu.dtb" \
109 .format(self.num_cpus),
110 "VExpress_EMM64": "vexpress.aarch64.20140821.dtb",
111 }
112 system.dtb_filename = SysPaths.binary(default_dtbs[self.machine_type])
113
114 self.init_system(system)
115 return system
116
117class LinuxArmFSSystem(LinuxArmSystemBuilder,
118 BaseFSSystem):
119 """Basic ARM full system builder."""
120
121 def __init__(self, machine_type='VExpress_EMM', **kwargs):
122 """Initialize an ARM system that supports full system simulation.
123
124 Note: Keyword arguments that are not listed below will be
125 passed to the BaseFSSystem.
126
127 Keyword Arguments:
128 machine_type -- String describing the platform to simulate
129 """
130 BaseSystem.__init__(self, **kwargs)
131 LinuxArmSystemBuilder.__init__(self, machine_type, **kwargs)
132
133 def create_caches_private(self, cpu):
134 # Use the more representative cache configuration
135 cpu.addTwoLevelCacheHierarchy(O3_ARM_v7a_ICache(),
136 O3_ARM_v7a_DCache(),
137 O3_ARM_v7aL2())
138
139class LinuxArmFSSystemUniprocessor(LinuxArmSystemBuilder,
140 BaseFSSystemUniprocessor):
141 """Basic ARM full system builder for uniprocessor systems.
142
143 Note: This class is a specialization of the ArmFSSystem and is
144 only really needed to provide backwards compatibility for existing
145 test cases.
146 """
147
148 def __init__(self, machine_type='VExpress_EMM', **kwargs):
149 BaseFSSystemUniprocessor.__init__(self, **kwargs)
150 LinuxArmSystemBuilder.__init__(self, machine_type, **kwargs)
151
152class LinuxArmFSSwitcheroo(LinuxArmSystemBuilder, BaseFSSwitcheroo):
153 """Uniprocessor ARM system prepared for CPU switching"""
154
155 def __init__(self, machine_type='VExpress_EMM', **kwargs):
156 BaseFSSwitcheroo.__init__(self, **kwargs)
157 LinuxArmSystemBuilder.__init__(self, machine_type, **kwargs)
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 *
46from common.cores.arm.O3_ARM_v7a import *
47from common.Benchmarks import SysConfig
48
49from common import SysPaths
50
51class ArmSESystemUniprocessor(BaseSESystemUniprocessor):
52 """Syscall-emulation builder for ARM uniprocessor systems.
53
54 A small tweak of the syscall-emulation builder to use more
55 representative cache configurations.
56 """
57
58 def __init__(self, **kwargs):
59 BaseSESystem.__init__(self, **kwargs)
60
61 def create_caches_private(self, cpu):
62 # The atomic SE configurations do not use caches
63 if self.mem_mode == "timing":
64 # Use the more representative cache configuration
65 cpu.addTwoLevelCacheHierarchy(O3_ARM_v7a_ICache(),
66 O3_ARM_v7a_DCache(),
67 O3_ARM_v7aL2())
68
69class LinuxArmSystemBuilder(object):
70 """Mix-in that implements create_system.
71
72 This mix-in is intended as a convenient way of adding an
73 ARM-specific create_system method to a class deriving from one of
74 the generic base systems.
75 """
76 def __init__(self, machine_type, **kwargs):
77 """
78 Arguments:
79 machine_type -- String describing the platform to simulate
80 num_cpus -- integer number of CPUs in the system
81 use_ruby -- True if ruby is used instead of the classic memory system
82 """
83 self.machine_type = machine_type
84 self.num_cpus = kwargs.get('num_cpus', 1)
85 self.mem_size = kwargs.get('mem_size', '256MB')
86 self.use_ruby = kwargs.get('use_ruby', False)
87
88 def create_system(self):
89 sc = SysConfig(None, self.mem_size, None)
90 system = FSConfig.makeArmSystem(self.mem_mode,
91 self.machine_type, self.num_cpus,
92 sc, False, ruby=self.use_ruby)
93
94 # We typically want the simulator to panic if the kernel
95 # panics or oopses. This prevents the simulator from running
96 # an obviously failed test case until the end of time.
97 system.panic_on_panic = True
98 system.panic_on_oops = True
99
100 default_kernels = {
101 "RealViewPBX": "vmlinux.arm.smp.fb.2.6.38.8",
102 "VExpress_EMM": "vmlinux.aarch32.ll_20131205.0-gem5",
103 "VExpress_EMM64": "vmlinux.aarch64.20140821",
104 }
105 system.kernel = SysPaths.binary(default_kernels[self.machine_type])
106 default_dtbs = {
107 "RealViewPBX": None,
108 "VExpress_EMM": "vexpress.aarch32.ll_20131205.0-gem5.{}cpu.dtb" \
109 .format(self.num_cpus),
110 "VExpress_EMM64": "vexpress.aarch64.20140821.dtb",
111 }
112 system.dtb_filename = SysPaths.binary(default_dtbs[self.machine_type])
113
114 self.init_system(system)
115 return system
116
117class LinuxArmFSSystem(LinuxArmSystemBuilder,
118 BaseFSSystem):
119 """Basic ARM full system builder."""
120
121 def __init__(self, machine_type='VExpress_EMM', **kwargs):
122 """Initialize an ARM system that supports full system simulation.
123
124 Note: Keyword arguments that are not listed below will be
125 passed to the BaseFSSystem.
126
127 Keyword Arguments:
128 machine_type -- String describing the platform to simulate
129 """
130 BaseSystem.__init__(self, **kwargs)
131 LinuxArmSystemBuilder.__init__(self, machine_type, **kwargs)
132
133 def create_caches_private(self, cpu):
134 # Use the more representative cache configuration
135 cpu.addTwoLevelCacheHierarchy(O3_ARM_v7a_ICache(),
136 O3_ARM_v7a_DCache(),
137 O3_ARM_v7aL2())
138
139class LinuxArmFSSystemUniprocessor(LinuxArmSystemBuilder,
140 BaseFSSystemUniprocessor):
141 """Basic ARM full system builder for uniprocessor systems.
142
143 Note: This class is a specialization of the ArmFSSystem and is
144 only really needed to provide backwards compatibility for existing
145 test cases.
146 """
147
148 def __init__(self, machine_type='VExpress_EMM', **kwargs):
149 BaseFSSystemUniprocessor.__init__(self, **kwargs)
150 LinuxArmSystemBuilder.__init__(self, machine_type, **kwargs)
151
152class LinuxArmFSSwitcheroo(LinuxArmSystemBuilder, BaseFSSwitcheroo):
153 """Uniprocessor ARM system prepared for CPU switching"""
154
155 def __init__(self, machine_type='VExpress_EMM', **kwargs):
156 BaseFSSwitcheroo.__init__(self, **kwargs)
157 LinuxArmSystemBuilder.__init__(self, machine_type, **kwargs)