1 # Copyright (c) 2010-2013 ARM Limited
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.
13 # Copyright (c) 2006-2007 The Regents of The University of Michigan
14 # All rights reserved.
16 # Redistribution and use in source and binary forms, with or without
17 # modification, are permitted provided that the following conditions are
18 # met: redistributions of source code must retain the above copyright
19 # notice, this list of conditions and the following disclaimer;
20 # redistributions in binary form must reproduce the above copyright
21 # notice, this list of conditions and the following disclaimer in the
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24 # contributors may be used to endorse or promote products derived from
25 # this software without specific prior written permission.
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45 from m5
.defines
import buildEnv
46 from m5
.objects
import *
47 from m5
.util
import addToPath
, fatal
49 addToPath('../common')
51 from FSConfig
import *
52 from SysPaths
import *
53 from Benchmarks
import *
60 parser
= optparse
.OptionParser()
61 Options
.addCommonOptions(parser
)
62 Options
.addFSOptions(parser
)
64 (options
, args
) = parser
.parse_args()
67 print "Error: script doesn't take any positional arguments"
70 # driver system CPU is always simple... note this is an assignment of
71 # a class, not an instance.
72 DriveCPUClass
= AtomicSimpleCPU
73 drive_mem_mode
= 'atomic'
75 # Check if KVM support has been enabled, we might need to do VM
76 # configuration if that's the case.
77 have_kvm_support
= 'BaseKvmCPU' in globals()
78 def is_kvm_cpu(cpu_class
):
79 return have_kvm_support
and cpu_class
!= None and \
80 issubclass(cpu_class
, BaseKvmCPU
)
82 # system under test can be any CPU
83 (TestCPUClass
, test_mem_mode
, FutureClass
) = Simulation
.setCPUClass(options
)
85 # Match the memories with the CPUs, the driver system always simple,
86 # and based on the options for the test system
87 DriveMemClass
= SimpleMemory
88 TestMemClass
= Simulation
.setMemClass(options
)
92 bm
= Benchmarks
[options
.benchmark
]
94 print "Error benchmark %s has not been defined." % options
.benchmark
95 print "Valid benchmarks are: %s" % DefinedBenchmarks
99 bm
= [SysConfig(disk
=options
.disk_image
, mem
=options
.mem_size
), SysConfig(disk
=options
.disk_image
, mem
=options
.mem_size
)]
101 bm
= [SysConfig(disk
=options
.disk_image
, mem
=options
.mem_size
)]
103 np
= options
.num_cpus
105 if buildEnv
['TARGET_ISA'] == "alpha":
106 test_sys
= makeLinuxAlphaSystem(test_mem_mode
, bm
[0])
107 elif buildEnv
['TARGET_ISA'] == "mips":
108 test_sys
= makeLinuxMipsSystem(test_mem_mode
, bm
[0])
109 elif buildEnv
['TARGET_ISA'] == "sparc":
110 test_sys
= makeSparcSystem(test_mem_mode
, bm
[0])
111 elif buildEnv
['TARGET_ISA'] == "x86":
112 test_sys
= makeLinuxX86System(test_mem_mode
, options
.num_cpus
, bm
[0])
113 elif buildEnv
['TARGET_ISA'] == "arm":
114 test_sys
= makeArmSystem(test_mem_mode
, options
.machine_type
, bm
[0],
115 options
.dtb_filename
,
116 bare_metal
=options
.bare_metal
)
117 if options
.enable_context_switch_stats_dump
:
118 test_sys
.enable_context_switch_stats_dump
= True
120 fatal("Incapable of building %s full system!", buildEnv
['TARGET_ISA'])
122 # Create a top-level voltage domain
123 test_sys
.voltage_domain
= VoltageDomain(voltage
= options
.sys_voltage
)
125 # Create a source clock for the system and set the clock period
126 test_sys
.clk_domain
= SrcClockDomain(clock
= options
.sys_clock
,
127 voltage_domain
= test_sys
.voltage_domain
)
129 # Create a CPU voltage domain
130 test_sys
.cpu_voltage_domain
= VoltageDomain()
132 # Create a source clock for the CPUs and set the clock period
133 test_sys
.cpu_clk_domain
= SrcClockDomain(clock
= options
.cpu_clock
,
135 test_sys
.cpu_voltage_domain
)
137 if options
.kernel
is not None:
138 test_sys
.kernel
= binary(options
.kernel
)
140 if options
.script
is not None:
141 test_sys
.readfile
= options
.script
143 test_sys
.init_param
= options
.init_param
145 # For now, assign all the CPUs to the same clock domain
146 test_sys
.cpu
= [TestCPUClass(clk_domain
=test_sys
.cpu_clk_domain
, cpu_id
=i
)
149 if is_kvm_cpu(TestCPUClass
) or is_kvm_cpu(FutureClass
):
150 test_sys
.vm
= KvmVM()
152 if options
.caches
or options
.l2cache
:
153 # By default the IOCache runs at the system clock
154 test_sys
.iocache
= IOCache(addr_ranges
= test_sys
.mem_ranges
)
155 test_sys
.iocache
.cpu_side
= test_sys
.iobus
.master
156 test_sys
.iocache
.mem_side
= test_sys
.membus
.slave
158 test_sys
.iobridge
= Bridge(delay
='50ns', ranges
= test_sys
.mem_ranges
)
159 test_sys
.iobridge
.slave
= test_sys
.iobus
.master
160 test_sys
.iobridge
.master
= test_sys
.membus
.slave
164 if TestCPUClass
!= AtomicSimpleCPU
:
165 fatal("Fastmem can only be used with atomic CPU!")
166 if (options
.caches
or options
.l2cache
):
167 fatal("You cannot use fastmem in combination with caches!")
171 test_sys
.cpu
[i
].fastmem
= True
173 test_sys
.cpu
[i
].addCheckerCpu()
174 test_sys
.cpu
[i
].createThreads()
176 CacheConfig
.config_cache(options
, test_sys
)
177 MemConfig
.config_mem(options
, test_sys
)
180 if buildEnv
['TARGET_ISA'] == 'alpha':
181 drive_sys
= makeLinuxAlphaSystem(drive_mem_mode
, bm
[1])
182 elif buildEnv
['TARGET_ISA'] == 'mips':
183 drive_sys
= makeLinuxMipsSystem(drive_mem_mode
, bm
[1])
184 elif buildEnv
['TARGET_ISA'] == 'sparc':
185 drive_sys
= makeSparcSystem(drive_mem_mode
, bm
[1])
186 elif buildEnv
['TARGET_ISA'] == 'x86':
187 drive_sys
= makeX86System(drive_mem_mode
, np
, bm
[1])
188 elif buildEnv
['TARGET_ISA'] == 'arm':
189 drive_sys
= makeArmSystem(drive_mem_mode
, options
.machine_type
, bm
[1])
191 # Create a top-level voltage domain
192 drive_sys
.voltage_domain
= VoltageDomain(voltage
= options
.sys_voltage
)
194 # Create a source clock for the system and set the clock period
195 drive_sys
.clk_domain
= SrcClockDomain(clock
= options
.sys_clock
)
197 # Create a CPU voltage domain
198 drive_sys
.cpu_voltage_domain
= VoltageDomain()
200 # Create a source clock for the CPUs and set the clock period
201 drive_sys
.cpu_clk_domain
= SrcClockDomain(clock
= options
.cpu_clock
,
203 drive_sys
.cpu_voltage_domain
)
205 drive_sys
.cpu
= DriveCPUClass(clk_domain
=drive_sys
.cpu_clk_domain
,
207 drive_sys
.cpu
.createThreads()
208 drive_sys
.cpu
.createInterruptController()
209 drive_sys
.cpu
.connectAllPorts(drive_sys
.membus
)
211 drive_sys
.cpu
.fastmem
= True
212 if options
.kernel
is not None:
213 drive_sys
.kernel
= binary(options
.kernel
)
215 if is_kvm_cpu(DriveCPUClass
):
216 drive_sys
.vm
= KvmVM()
218 drive_sys
.iobridge
= Bridge(delay
='50ns',
219 ranges
= drive_sys
.mem_ranges
)
220 drive_sys
.iobridge
.slave
= drive_sys
.iobus
.master
221 drive_sys
.iobridge
.master
= drive_sys
.membus
.slave
223 # Create the appropriate memory controllers and connect them to the
225 drive_sys
.mem_ctrls
= [DriveMemClass(range = r
)
226 for r
in drive_sys
.mem_ranges
]
227 for i
in xrange(len(drive_sys
.mem_ctrls
)):
228 drive_sys
.mem_ctrls
[i
].port
= drive_sys
.membus
.master
230 drive_sys
.init_param
= options
.init_param
231 root
= makeDualRoot(True, test_sys
, drive_sys
, options
.etherdump
)
233 root
= Root(full_system
=True, system
=test_sys
)
235 print "Error I don't know how to create more than 2 systems."
239 root
.time_sync_enable
= True
241 if options
.frame_capture
:
242 VncServer
.frame_capture
= True
244 Simulation
.setWorkCountOptions(test_sys
, options
)
245 Simulation
.run(options
, root
, test_sys
, FutureClass
)