1# Copyright (c) 2010-2013, 2016 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# Copyright (c) 2012-2014 Mark D. Hill and David A. Wood
14# Copyright (c) 2009-2011 Advanced Micro Devices, Inc.
15# Copyright (c) 2006-2007 The Regents of The University of Michigan
16# All rights reserved.
17#
18# Redistribution and use in source and binary forms, with or without
19# modification, are permitted provided that the following conditions are
20# met: redistributions of source code must retain the above copyright
21# notice, this list of conditions and the following disclaimer;
22# redistributions in binary form must reproduce the above copyright
23# notice, this list of conditions and the following disclaimer in the
24# documentation and/or other materials provided with the distribution;
25# neither the name of the copyright holders nor the names of its
26# contributors may be used to endorse or promote products derived from
27# this software without specific prior written permission.
28#
29# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
30# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
31# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
32# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
33# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
34# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
36# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
37# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
39# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40#
41# Authors: Ali Saidi
42# Brad Beckmann
43
44from __future__ import print_function
45
46import optparse
47import sys
48
49import m5
50from m5.defines import buildEnv
51from m5.objects import *
52from m5.util import addToPath, fatal, warn
53from m5.util.fdthelper import *
54
55addToPath('../')
56
57from ruby import Ruby
58
59from common.FSConfig import *
60from common.SysPaths import *
61from common.Benchmarks import *
62from common import Simulation
63from common import CacheConfig
64from common import MemConfig
65from common import CpuConfig
| 1# Copyright (c) 2010-2013, 2016 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# Copyright (c) 2012-2014 Mark D. Hill and David A. Wood
14# Copyright (c) 2009-2011 Advanced Micro Devices, Inc.
15# Copyright (c) 2006-2007 The Regents of The University of Michigan
16# All rights reserved.
17#
18# Redistribution and use in source and binary forms, with or without
19# modification, are permitted provided that the following conditions are
20# met: redistributions of source code must retain the above copyright
21# notice, this list of conditions and the following disclaimer;
22# redistributions in binary form must reproduce the above copyright
23# notice, this list of conditions and the following disclaimer in the
24# documentation and/or other materials provided with the distribution;
25# neither the name of the copyright holders nor the names of its
26# contributors may be used to endorse or promote products derived from
27# this software without specific prior written permission.
28#
29# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
30# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
31# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
32# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
33# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
34# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
36# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
37# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
39# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40#
41# Authors: Ali Saidi
42# Brad Beckmann
43
44from __future__ import print_function
45
46import optparse
47import sys
48
49import m5
50from m5.defines import buildEnv
51from m5.objects import *
52from m5.util import addToPath, fatal, warn
53from m5.util.fdthelper import *
54
55addToPath('../')
56
57from ruby import Ruby
58
59from common.FSConfig import *
60from common.SysPaths import *
61from common.Benchmarks import *
62from common import Simulation
63from common import CacheConfig
64from common import MemConfig
65from common import CpuConfig
|
| 66from common import BPConfig
|
66from common.Caches import *
67from common import Options
68
69def cmd_line_template():
70 if options.command_line and options.command_line_file:
71 print("Error: --command-line and --command-line-file are "
72 "mutually exclusive")
73 sys.exit(1)
74 if options.command_line:
75 return options.command_line
76 if options.command_line_file:
77 return open(options.command_line_file).read().strip()
78 return None
79
80def build_test_system(np):
81 cmdline = cmd_line_template()
82 if buildEnv['TARGET_ISA'] == "alpha":
83 test_sys = makeLinuxAlphaSystem(test_mem_mode, bm[0], options.ruby,
84 cmdline=cmdline)
85 elif buildEnv['TARGET_ISA'] == "mips":
86 test_sys = makeLinuxMipsSystem(test_mem_mode, bm[0], cmdline=cmdline)
87 elif buildEnv['TARGET_ISA'] == "sparc":
88 test_sys = makeSparcSystem(test_mem_mode, bm[0], cmdline=cmdline)
89 elif buildEnv['TARGET_ISA'] == "x86":
90 test_sys = makeLinuxX86System(test_mem_mode, options.num_cpus, bm[0],
91 options.ruby, cmdline=cmdline)
92 elif buildEnv['TARGET_ISA'] == "arm":
93 test_sys = makeArmSystem(test_mem_mode, options.machine_type,
94 options.num_cpus, bm[0], options.dtb_filename,
95 bare_metal=options.bare_metal,
96 cmdline=cmdline,
97 ignore_dtb=options.generate_dtb,
98 external_memory=
99 options.external_memory_system,
100 ruby=options.ruby,
101 security=options.enable_security_extensions)
102 if options.enable_context_switch_stats_dump:
103 test_sys.enable_context_switch_stats_dump = True
104 else:
105 fatal("Incapable of building %s full system!", buildEnv['TARGET_ISA'])
106
107 # Set the cache line size for the entire system
108 test_sys.cache_line_size = options.cacheline_size
109
110 # Create a top-level voltage domain
111 test_sys.voltage_domain = VoltageDomain(voltage = options.sys_voltage)
112
113 # Create a source clock for the system and set the clock period
114 test_sys.clk_domain = SrcClockDomain(clock = options.sys_clock,
115 voltage_domain = test_sys.voltage_domain)
116
117 # Create a CPU voltage domain
118 test_sys.cpu_voltage_domain = VoltageDomain()
119
120 # Create a source clock for the CPUs and set the clock period
121 test_sys.cpu_clk_domain = SrcClockDomain(clock = options.cpu_clock,
122 voltage_domain =
123 test_sys.cpu_voltage_domain)
124
125 if options.kernel is not None:
126 test_sys.kernel = binary(options.kernel)
127
128 if options.script is not None:
129 test_sys.readfile = options.script
130
131 if options.lpae:
132 test_sys.have_lpae = True
133
134 if options.virtualisation:
135 test_sys.have_virtualization = True
136
137 test_sys.init_param = options.init_param
138
139 # For now, assign all the CPUs to the same clock domain
140 test_sys.cpu = [TestCPUClass(clk_domain=test_sys.cpu_clk_domain, cpu_id=i)
141 for i in xrange(np)]
142
143 if CpuConfig.is_kvm_cpu(TestCPUClass) or CpuConfig.is_kvm_cpu(FutureClass):
144 test_sys.kvm_vm = KvmVM()
145
146 if options.ruby:
147 bootmem = getattr(test_sys, 'bootmem', None)
148 Ruby.create_system(options, True, test_sys, test_sys.iobus,
149 test_sys._dma_ports, bootmem)
150
151 # Create a seperate clock domain for Ruby
152 test_sys.ruby.clk_domain = SrcClockDomain(clock = options.ruby_clock,
153 voltage_domain = test_sys.voltage_domain)
154
155 # Connect the ruby io port to the PIO bus,
156 # assuming that there is just one such port.
157 test_sys.iobus.master = test_sys.ruby._io_port.slave
158
159 for (i, cpu) in enumerate(test_sys.cpu):
160 #
161 # Tie the cpu ports to the correct ruby system ports
162 #
163 cpu.clk_domain = test_sys.cpu_clk_domain
164 cpu.createThreads()
165 cpu.createInterruptController()
166
167 cpu.icache_port = test_sys.ruby._cpu_ports[i].slave
168 cpu.dcache_port = test_sys.ruby._cpu_ports[i].slave
169
170 if buildEnv['TARGET_ISA'] in ("x86", "arm"):
171 cpu.itb.walker.port = test_sys.ruby._cpu_ports[i].slave
172 cpu.dtb.walker.port = test_sys.ruby._cpu_ports[i].slave
173
174 if buildEnv['TARGET_ISA'] in "x86":
175 cpu.interrupts[0].pio = test_sys.ruby._cpu_ports[i].master
176 cpu.interrupts[0].int_master = test_sys.ruby._cpu_ports[i].slave
177 cpu.interrupts[0].int_slave = test_sys.ruby._cpu_ports[i].master
178
179 else:
180 if options.caches or options.l2cache:
181 # By default the IOCache runs at the system clock
182 test_sys.iocache = IOCache(addr_ranges = test_sys.mem_ranges)
183 test_sys.iocache.cpu_side = test_sys.iobus.master
184 test_sys.iocache.mem_side = test_sys.membus.slave
185 elif not options.external_memory_system:
186 test_sys.iobridge = Bridge(delay='50ns', ranges = test_sys.mem_ranges)
187 test_sys.iobridge.slave = test_sys.iobus.master
188 test_sys.iobridge.master = test_sys.membus.slave
189
190 # Sanity check
191 if options.simpoint_profile:
192 if not CpuConfig.is_atomic_cpu(TestCPUClass):
193 fatal("SimPoint generation should be done with atomic cpu")
194 if np > 1:
195 fatal("SimPoint generation not supported with more than one CPUs")
196
197 for i in xrange(np):
198 if options.simpoint_profile:
199 test_sys.cpu[i].addSimPointProbe(options.simpoint_interval)
200 if options.checker:
201 test_sys.cpu[i].addCheckerCpu()
| 67from common.Caches import *
68from common import Options
69
70def cmd_line_template():
71 if options.command_line and options.command_line_file:
72 print("Error: --command-line and --command-line-file are "
73 "mutually exclusive")
74 sys.exit(1)
75 if options.command_line:
76 return options.command_line
77 if options.command_line_file:
78 return open(options.command_line_file).read().strip()
79 return None
80
81def build_test_system(np):
82 cmdline = cmd_line_template()
83 if buildEnv['TARGET_ISA'] == "alpha":
84 test_sys = makeLinuxAlphaSystem(test_mem_mode, bm[0], options.ruby,
85 cmdline=cmdline)
86 elif buildEnv['TARGET_ISA'] == "mips":
87 test_sys = makeLinuxMipsSystem(test_mem_mode, bm[0], cmdline=cmdline)
88 elif buildEnv['TARGET_ISA'] == "sparc":
89 test_sys = makeSparcSystem(test_mem_mode, bm[0], cmdline=cmdline)
90 elif buildEnv['TARGET_ISA'] == "x86":
91 test_sys = makeLinuxX86System(test_mem_mode, options.num_cpus, bm[0],
92 options.ruby, cmdline=cmdline)
93 elif buildEnv['TARGET_ISA'] == "arm":
94 test_sys = makeArmSystem(test_mem_mode, options.machine_type,
95 options.num_cpus, bm[0], options.dtb_filename,
96 bare_metal=options.bare_metal,
97 cmdline=cmdline,
98 ignore_dtb=options.generate_dtb,
99 external_memory=
100 options.external_memory_system,
101 ruby=options.ruby,
102 security=options.enable_security_extensions)
103 if options.enable_context_switch_stats_dump:
104 test_sys.enable_context_switch_stats_dump = True
105 else:
106 fatal("Incapable of building %s full system!", buildEnv['TARGET_ISA'])
107
108 # Set the cache line size for the entire system
109 test_sys.cache_line_size = options.cacheline_size
110
111 # Create a top-level voltage domain
112 test_sys.voltage_domain = VoltageDomain(voltage = options.sys_voltage)
113
114 # Create a source clock for the system and set the clock period
115 test_sys.clk_domain = SrcClockDomain(clock = options.sys_clock,
116 voltage_domain = test_sys.voltage_domain)
117
118 # Create a CPU voltage domain
119 test_sys.cpu_voltage_domain = VoltageDomain()
120
121 # Create a source clock for the CPUs and set the clock period
122 test_sys.cpu_clk_domain = SrcClockDomain(clock = options.cpu_clock,
123 voltage_domain =
124 test_sys.cpu_voltage_domain)
125
126 if options.kernel is not None:
127 test_sys.kernel = binary(options.kernel)
128
129 if options.script is not None:
130 test_sys.readfile = options.script
131
132 if options.lpae:
133 test_sys.have_lpae = True
134
135 if options.virtualisation:
136 test_sys.have_virtualization = True
137
138 test_sys.init_param = options.init_param
139
140 # For now, assign all the CPUs to the same clock domain
141 test_sys.cpu = [TestCPUClass(clk_domain=test_sys.cpu_clk_domain, cpu_id=i)
142 for i in xrange(np)]
143
144 if CpuConfig.is_kvm_cpu(TestCPUClass) or CpuConfig.is_kvm_cpu(FutureClass):
145 test_sys.kvm_vm = KvmVM()
146
147 if options.ruby:
148 bootmem = getattr(test_sys, 'bootmem', None)
149 Ruby.create_system(options, True, test_sys, test_sys.iobus,
150 test_sys._dma_ports, bootmem)
151
152 # Create a seperate clock domain for Ruby
153 test_sys.ruby.clk_domain = SrcClockDomain(clock = options.ruby_clock,
154 voltage_domain = test_sys.voltage_domain)
155
156 # Connect the ruby io port to the PIO bus,
157 # assuming that there is just one such port.
158 test_sys.iobus.master = test_sys.ruby._io_port.slave
159
160 for (i, cpu) in enumerate(test_sys.cpu):
161 #
162 # Tie the cpu ports to the correct ruby system ports
163 #
164 cpu.clk_domain = test_sys.cpu_clk_domain
165 cpu.createThreads()
166 cpu.createInterruptController()
167
168 cpu.icache_port = test_sys.ruby._cpu_ports[i].slave
169 cpu.dcache_port = test_sys.ruby._cpu_ports[i].slave
170
171 if buildEnv['TARGET_ISA'] in ("x86", "arm"):
172 cpu.itb.walker.port = test_sys.ruby._cpu_ports[i].slave
173 cpu.dtb.walker.port = test_sys.ruby._cpu_ports[i].slave
174
175 if buildEnv['TARGET_ISA'] in "x86":
176 cpu.interrupts[0].pio = test_sys.ruby._cpu_ports[i].master
177 cpu.interrupts[0].int_master = test_sys.ruby._cpu_ports[i].slave
178 cpu.interrupts[0].int_slave = test_sys.ruby._cpu_ports[i].master
179
180 else:
181 if options.caches or options.l2cache:
182 # By default the IOCache runs at the system clock
183 test_sys.iocache = IOCache(addr_ranges = test_sys.mem_ranges)
184 test_sys.iocache.cpu_side = test_sys.iobus.master
185 test_sys.iocache.mem_side = test_sys.membus.slave
186 elif not options.external_memory_system:
187 test_sys.iobridge = Bridge(delay='50ns', ranges = test_sys.mem_ranges)
188 test_sys.iobridge.slave = test_sys.iobus.master
189 test_sys.iobridge.master = test_sys.membus.slave
190
191 # Sanity check
192 if options.simpoint_profile:
193 if not CpuConfig.is_atomic_cpu(TestCPUClass):
194 fatal("SimPoint generation should be done with atomic cpu")
195 if np > 1:
196 fatal("SimPoint generation not supported with more than one CPUs")
197
198 for i in xrange(np):
199 if options.simpoint_profile:
200 test_sys.cpu[i].addSimPointProbe(options.simpoint_interval)
201 if options.checker:
202 test_sys.cpu[i].addCheckerCpu()
|
| 203 if options.bp_type:
204 bpClass = BPConfig.get(options.bp_type)
205 test_sys.cpu[i].branchPred = bpClass()
|
202 test_sys.cpu[i].createThreads()
203
204 # If elastic tracing is enabled when not restoring from checkpoint and
205 # when not fast forwarding using the atomic cpu, then check that the
206 # TestCPUClass is DerivO3CPU or inherits from DerivO3CPU. If the check
207 # passes then attach the elastic trace probe.
208 # If restoring from checkpoint or fast forwarding, the code that does this for
209 # FutureCPUClass is in the Simulation module. If the check passes then the
210 # elastic trace probe is attached to the switch CPUs.
211 if options.elastic_trace_en and options.checkpoint_restore == None and \
212 not options.fast_forward:
213 CpuConfig.config_etrace(TestCPUClass, test_sys.cpu, options)
214
215 CacheConfig.config_cache(options, test_sys)
216
217 MemConfig.config_mem(options, test_sys)
218
219 return test_sys
220
221def build_drive_system(np):
222 # driver system CPU is always simple, so is the memory
223 # Note this is an assignment of a class, not an instance.
224 DriveCPUClass = AtomicSimpleCPU
225 drive_mem_mode = 'atomic'
226 DriveMemClass = SimpleMemory
227
228 cmdline = cmd_line_template()
229 if buildEnv['TARGET_ISA'] == 'alpha':
230 drive_sys = makeLinuxAlphaSystem(drive_mem_mode, bm[1], cmdline=cmdline)
231 elif buildEnv['TARGET_ISA'] == 'mips':
232 drive_sys = makeLinuxMipsSystem(drive_mem_mode, bm[1], cmdline=cmdline)
233 elif buildEnv['TARGET_ISA'] == 'sparc':
234 drive_sys = makeSparcSystem(drive_mem_mode, bm[1], cmdline=cmdline)
235 elif buildEnv['TARGET_ISA'] == 'x86':
236 drive_sys = makeLinuxX86System(drive_mem_mode, np, bm[1],
237 cmdline=cmdline)
238 elif buildEnv['TARGET_ISA'] == 'arm':
239 drive_sys = makeArmSystem(drive_mem_mode, options.machine_type, np,
240 bm[1], options.dtb_filename, cmdline=cmdline,
241 ignore_dtb=options.generate_dtb)
242
243 # Create a top-level voltage domain
244 drive_sys.voltage_domain = VoltageDomain(voltage = options.sys_voltage)
245
246 # Create a source clock for the system and set the clock period
247 drive_sys.clk_domain = SrcClockDomain(clock = options.sys_clock,
248 voltage_domain = drive_sys.voltage_domain)
249
250 # Create a CPU voltage domain
251 drive_sys.cpu_voltage_domain = VoltageDomain()
252
253 # Create a source clock for the CPUs and set the clock period
254 drive_sys.cpu_clk_domain = SrcClockDomain(clock = options.cpu_clock,
255 voltage_domain =
256 drive_sys.cpu_voltage_domain)
257
258 drive_sys.cpu = DriveCPUClass(clk_domain=drive_sys.cpu_clk_domain,
259 cpu_id=0)
260 drive_sys.cpu.createThreads()
261 drive_sys.cpu.createInterruptController()
262 drive_sys.cpu.connectAllPorts(drive_sys.membus)
263 if options.kernel is not None:
264 drive_sys.kernel = binary(options.kernel)
265
266 if CpuConfig.is_kvm_cpu(DriveCPUClass):
267 drive_sys.kvm_vm = KvmVM()
268
269 drive_sys.iobridge = Bridge(delay='50ns',
270 ranges = drive_sys.mem_ranges)
271 drive_sys.iobridge.slave = drive_sys.iobus.master
272 drive_sys.iobridge.master = drive_sys.membus.slave
273
274 # Create the appropriate memory controllers and connect them to the
275 # memory bus
276 drive_sys.mem_ctrls = [DriveMemClass(range = r)
277 for r in drive_sys.mem_ranges]
278 for i in xrange(len(drive_sys.mem_ctrls)):
279 drive_sys.mem_ctrls[i].port = drive_sys.membus.master
280
281 drive_sys.init_param = options.init_param
282
283 return drive_sys
284
285# Add options
286parser = optparse.OptionParser()
287Options.addCommonOptions(parser)
288Options.addFSOptions(parser)
289
290# Add the ruby specific and protocol specific options
291if '--ruby' in sys.argv:
292 Ruby.define_options(parser)
293
294(options, args) = parser.parse_args()
295
296if args:
297 print("Error: script doesn't take any positional arguments")
298 sys.exit(1)
299
300# system under test can be any CPU
301(TestCPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
302
303# Match the memories with the CPUs, based on the options for the test system
304TestMemClass = Simulation.setMemClass(options)
305
306if options.benchmark:
307 try:
308 bm = Benchmarks[options.benchmark]
309 except KeyError:
310 print("Error benchmark %s has not been defined." % options.benchmark)
311 print("Valid benchmarks are: %s" % DefinedBenchmarks)
312 sys.exit(1)
313else:
314 if options.dual:
315 bm = [SysConfig(disk=options.disk_image, rootdev=options.root_device,
316 mem=options.mem_size, os_type=options.os_type),
317 SysConfig(disk=options.disk_image, rootdev=options.root_device,
318 mem=options.mem_size, os_type=options.os_type)]
319 else:
320 bm = [SysConfig(disk=options.disk_image, rootdev=options.root_device,
321 mem=options.mem_size, os_type=options.os_type)]
322
323np = options.num_cpus
324
325test_sys = build_test_system(np)
326if len(bm) == 2:
327 drive_sys = build_drive_system(np)
328 root = makeDualRoot(True, test_sys, drive_sys, options.etherdump)
329elif len(bm) == 1 and options.dist:
330 # This system is part of a dist-gem5 simulation
331 root = makeDistRoot(test_sys,
332 options.dist_rank,
333 options.dist_size,
334 options.dist_server_name,
335 options.dist_server_port,
336 options.dist_sync_repeat,
337 options.dist_sync_start,
338 options.ethernet_linkspeed,
339 options.ethernet_linkdelay,
340 options.etherdump);
341elif len(bm) == 1:
342 root = Root(full_system=True, system=test_sys)
343else:
344 print("Error I don't know how to create more than 2 systems.")
345 sys.exit(1)
346
347if options.timesync:
348 root.time_sync_enable = True
349
350if options.frame_capture:
351 VncServer.frame_capture = True
352
353if buildEnv['TARGET_ISA'] == "arm" and options.generate_dtb:
354 # Sanity checks
355 if options.dtb_filename:
356 fatal("--generate-dtb and --dtb-filename cannot be specified at the"\
357 "same time.")
358
359 if options.machine_type not in ["VExpress_GEM5", "VExpress_GEM5_V1"]:
360 warn("Can only correctly generate a dtb for VExpress_GEM5_V1 " \
361 "platforms, unless custom hardware models have been equipped "\
362 "with generation functionality.")
363
364 # Generate a Device Tree
365 def create_dtb_for_system(system, filename):
366 state = FdtState(addr_cells=2, size_cells=2, cpu_cells=1)
367 rootNode = system.generateDeviceTree(state)
368
369 fdt = Fdt()
370 fdt.add_rootnode(rootNode)
371 dtb_filename = os.path.join(m5.options.outdir, filename)
372 return fdt.writeDtbFile(dtb_filename)
373
374 for sysname in ('system', 'testsys', 'drivesys'):
375 if hasattr(root, sysname):
376 sys = getattr(root, sysname)
377 sys.dtb_filename = create_dtb_for_system(sys, '%s.dtb' % sysname)
378
379Simulation.setWorkCountOptions(test_sys, options)
380Simulation.run(options, root, test_sys, FutureClass)
| 206 test_sys.cpu[i].createThreads()
207
208 # If elastic tracing is enabled when not restoring from checkpoint and
209 # when not fast forwarding using the atomic cpu, then check that the
210 # TestCPUClass is DerivO3CPU or inherits from DerivO3CPU. If the check
211 # passes then attach the elastic trace probe.
212 # If restoring from checkpoint or fast forwarding, the code that does this for
213 # FutureCPUClass is in the Simulation module. If the check passes then the
214 # elastic trace probe is attached to the switch CPUs.
215 if options.elastic_trace_en and options.checkpoint_restore == None and \
216 not options.fast_forward:
217 CpuConfig.config_etrace(TestCPUClass, test_sys.cpu, options)
218
219 CacheConfig.config_cache(options, test_sys)
220
221 MemConfig.config_mem(options, test_sys)
222
223 return test_sys
224
225def build_drive_system(np):
226 # driver system CPU is always simple, so is the memory
227 # Note this is an assignment of a class, not an instance.
228 DriveCPUClass = AtomicSimpleCPU
229 drive_mem_mode = 'atomic'
230 DriveMemClass = SimpleMemory
231
232 cmdline = cmd_line_template()
233 if buildEnv['TARGET_ISA'] == 'alpha':
234 drive_sys = makeLinuxAlphaSystem(drive_mem_mode, bm[1], cmdline=cmdline)
235 elif buildEnv['TARGET_ISA'] == 'mips':
236 drive_sys = makeLinuxMipsSystem(drive_mem_mode, bm[1], cmdline=cmdline)
237 elif buildEnv['TARGET_ISA'] == 'sparc':
238 drive_sys = makeSparcSystem(drive_mem_mode, bm[1], cmdline=cmdline)
239 elif buildEnv['TARGET_ISA'] == 'x86':
240 drive_sys = makeLinuxX86System(drive_mem_mode, np, bm[1],
241 cmdline=cmdline)
242 elif buildEnv['TARGET_ISA'] == 'arm':
243 drive_sys = makeArmSystem(drive_mem_mode, options.machine_type, np,
244 bm[1], options.dtb_filename, cmdline=cmdline,
245 ignore_dtb=options.generate_dtb)
246
247 # Create a top-level voltage domain
248 drive_sys.voltage_domain = VoltageDomain(voltage = options.sys_voltage)
249
250 # Create a source clock for the system and set the clock period
251 drive_sys.clk_domain = SrcClockDomain(clock = options.sys_clock,
252 voltage_domain = drive_sys.voltage_domain)
253
254 # Create a CPU voltage domain
255 drive_sys.cpu_voltage_domain = VoltageDomain()
256
257 # Create a source clock for the CPUs and set the clock period
258 drive_sys.cpu_clk_domain = SrcClockDomain(clock = options.cpu_clock,
259 voltage_domain =
260 drive_sys.cpu_voltage_domain)
261
262 drive_sys.cpu = DriveCPUClass(clk_domain=drive_sys.cpu_clk_domain,
263 cpu_id=0)
264 drive_sys.cpu.createThreads()
265 drive_sys.cpu.createInterruptController()
266 drive_sys.cpu.connectAllPorts(drive_sys.membus)
267 if options.kernel is not None:
268 drive_sys.kernel = binary(options.kernel)
269
270 if CpuConfig.is_kvm_cpu(DriveCPUClass):
271 drive_sys.kvm_vm = KvmVM()
272
273 drive_sys.iobridge = Bridge(delay='50ns',
274 ranges = drive_sys.mem_ranges)
275 drive_sys.iobridge.slave = drive_sys.iobus.master
276 drive_sys.iobridge.master = drive_sys.membus.slave
277
278 # Create the appropriate memory controllers and connect them to the
279 # memory bus
280 drive_sys.mem_ctrls = [DriveMemClass(range = r)
281 for r in drive_sys.mem_ranges]
282 for i in xrange(len(drive_sys.mem_ctrls)):
283 drive_sys.mem_ctrls[i].port = drive_sys.membus.master
284
285 drive_sys.init_param = options.init_param
286
287 return drive_sys
288
289# Add options
290parser = optparse.OptionParser()
291Options.addCommonOptions(parser)
292Options.addFSOptions(parser)
293
294# Add the ruby specific and protocol specific options
295if '--ruby' in sys.argv:
296 Ruby.define_options(parser)
297
298(options, args) = parser.parse_args()
299
300if args:
301 print("Error: script doesn't take any positional arguments")
302 sys.exit(1)
303
304# system under test can be any CPU
305(TestCPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
306
307# Match the memories with the CPUs, based on the options for the test system
308TestMemClass = Simulation.setMemClass(options)
309
310if options.benchmark:
311 try:
312 bm = Benchmarks[options.benchmark]
313 except KeyError:
314 print("Error benchmark %s has not been defined." % options.benchmark)
315 print("Valid benchmarks are: %s" % DefinedBenchmarks)
316 sys.exit(1)
317else:
318 if options.dual:
319 bm = [SysConfig(disk=options.disk_image, rootdev=options.root_device,
320 mem=options.mem_size, os_type=options.os_type),
321 SysConfig(disk=options.disk_image, rootdev=options.root_device,
322 mem=options.mem_size, os_type=options.os_type)]
323 else:
324 bm = [SysConfig(disk=options.disk_image, rootdev=options.root_device,
325 mem=options.mem_size, os_type=options.os_type)]
326
327np = options.num_cpus
328
329test_sys = build_test_system(np)
330if len(bm) == 2:
331 drive_sys = build_drive_system(np)
332 root = makeDualRoot(True, test_sys, drive_sys, options.etherdump)
333elif len(bm) == 1 and options.dist:
334 # This system is part of a dist-gem5 simulation
335 root = makeDistRoot(test_sys,
336 options.dist_rank,
337 options.dist_size,
338 options.dist_server_name,
339 options.dist_server_port,
340 options.dist_sync_repeat,
341 options.dist_sync_start,
342 options.ethernet_linkspeed,
343 options.ethernet_linkdelay,
344 options.etherdump);
345elif len(bm) == 1:
346 root = Root(full_system=True, system=test_sys)
347else:
348 print("Error I don't know how to create more than 2 systems.")
349 sys.exit(1)
350
351if options.timesync:
352 root.time_sync_enable = True
353
354if options.frame_capture:
355 VncServer.frame_capture = True
356
357if buildEnv['TARGET_ISA'] == "arm" and options.generate_dtb:
358 # Sanity checks
359 if options.dtb_filename:
360 fatal("--generate-dtb and --dtb-filename cannot be specified at the"\
361 "same time.")
362
363 if options.machine_type not in ["VExpress_GEM5", "VExpress_GEM5_V1"]:
364 warn("Can only correctly generate a dtb for VExpress_GEM5_V1 " \
365 "platforms, unless custom hardware models have been equipped "\
366 "with generation functionality.")
367
368 # Generate a Device Tree
369 def create_dtb_for_system(system, filename):
370 state = FdtState(addr_cells=2, size_cells=2, cpu_cells=1)
371 rootNode = system.generateDeviceTree(state)
372
373 fdt = Fdt()
374 fdt.add_rootnode(rootNode)
375 dtb_filename = os.path.join(m5.options.outdir, filename)
376 return fdt.writeDtbFile(dtb_filename)
377
378 for sysname in ('system', 'testsys', 'drivesys'):
379 if hasattr(root, sysname):
380 sys = getattr(root, sysname)
381 sys.dtb_filename = create_dtb_for_system(sys, '%s.dtb' % sysname)
382
383Simulation.setWorkCountOptions(test_sys, options)
384Simulation.run(options, root, test_sys, FutureClass)
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