fs.py revision 9790:ccc428657233 
1# Copyright (c) 2010-2012 ARM Limited
2# All rights reserved.
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13# Copyright (c) 2006-2007 The Regents of The University of Michigan
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38#
39# Authors: Ali Saidi
40
41import optparse
42import sys
43
44import m5
45from m5.defines import buildEnv
46from m5.objects import *
47from m5.util import addToPath, fatal
48
49addToPath('../common')
50
51from FSConfig import *
52from SysPaths import *
53from Benchmarks import *
54import Simulation
55import CacheConfig
56from Caches import *
57import Options
58
59parser = optparse.OptionParser()
60Options.addCommonOptions(parser)
61Options.addFSOptions(parser)
62
63(options, args) = parser.parse_args()
64
65if args:
66    print "Error: script doesn't take any positional arguments"
67    sys.exit(1)
68
69# driver system CPU is always simple... note this is an assignment of
70# a class, not an instance.
71DriveCPUClass = AtomicSimpleCPU
72drive_mem_mode = 'atomic'
73
74# Check if KVM support has been enabled, we might need to do VM
75# configuration if that's the case.
76have_kvm_support = 'BaseKvmCPU' in globals()
77def is_kvm_cpu(cpu_class):
78    return have_kvm_support and cpu_class != None and \
79        issubclass(cpu_class, BaseKvmCPU)
80
81# system under test can be any CPU
82(TestCPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
83
84TestCPUClass.clock = options.cpu_clock
85DriveCPUClass.clock = options.cpu_clock
86
87# Match the memories with the CPUs, the driver system always simple,
88# and based on the options for the test system
89DriveMemClass = SimpleMemory
90TestMemClass = Simulation.setMemClass(options)
91
92if options.benchmark:
93    try:
94        bm = Benchmarks[options.benchmark]
95    except KeyError:
96        print "Error benchmark %s has not been defined." % options.benchmark
97        print "Valid benchmarks are: %s" % DefinedBenchmarks
98        sys.exit(1)
99else:
100    if options.dual:
101        bm = [SysConfig(disk=options.disk_image, mem=options.mem_size), SysConfig(disk=options.disk_image, mem=options.mem_size)]
102    else:
103        bm = [SysConfig(disk=options.disk_image, mem=options.mem_size)]
104
105np = options.num_cpus
106
107if buildEnv['TARGET_ISA'] == "alpha":
108    test_sys = makeLinuxAlphaSystem(test_mem_mode, TestMemClass, bm[0])
109elif buildEnv['TARGET_ISA'] == "mips":
110    test_sys = makeLinuxMipsSystem(test_mem_mode, TestMemClass, bm[0])
111elif buildEnv['TARGET_ISA'] == "sparc":
112    test_sys = makeSparcSystem(test_mem_mode, TestMemClass, bm[0])
113elif buildEnv['TARGET_ISA'] == "x86":
114    test_sys = makeLinuxX86System(test_mem_mode, TestMemClass,
115                                  options.num_cpus, bm[0])
116elif buildEnv['TARGET_ISA'] == "arm":
117    test_sys = makeArmSystem(test_mem_mode, options.machine_type,
118                             TestMemClass, bm[0], options.dtb_filename,
119                             bare_metal=options.bare_metal)
120else:
121    fatal("Incapable of building %s full system!", buildEnv['TARGET_ISA'])
122
123test_sys.clock = options.sys_clock
124
125if options.kernel is not None:
126    test_sys.kernel = binary(options.kernel)
127
128if options.script is not None:
129    test_sys.readfile = options.script
130
131test_sys.init_param = options.init_param
132
133test_sys.cpu = [TestCPUClass(cpu_id=i) for i in xrange(np)]
134
135if is_kvm_cpu(TestCPUClass) or is_kvm_cpu(FutureClass):
136    test_sys.vm = KvmVM()
137
138if options.caches or options.l2cache:
139    # By default the IOCache runs at the system clock
140    test_sys.iocache = IOCache(addr_ranges = test_sys.mem_ranges)
141    test_sys.iocache.cpu_side = test_sys.iobus.master
142    test_sys.iocache.mem_side = test_sys.membus.slave
143else:
144    test_sys.iobridge = Bridge(delay='50ns', ranges = test_sys.mem_ranges)
145    test_sys.iobridge.slave = test_sys.iobus.master
146    test_sys.iobridge.master = test_sys.membus.slave
147
148# Sanity check
149if options.fastmem:
150    if TestCPUClass != AtomicSimpleCPU:
151        fatal("Fastmem can only be used with atomic CPU!")
152    if (options.caches or options.l2cache):
153        fatal("You cannot use fastmem in combination with caches!")
154
155for i in xrange(np):
156    if options.fastmem:
157        test_sys.cpu[i].fastmem = True
158    if options.checker:
159        test_sys.cpu[i].addCheckerCpu()
160    test_sys.cpu[i].createThreads()
161
162CacheConfig.config_cache(options, test_sys)
163
164if len(bm) == 2:
165    if buildEnv['TARGET_ISA'] == 'alpha':
166        drive_sys = makeLinuxAlphaSystem(drive_mem_mode, DriveMemClass, bm[1])
167    elif buildEnv['TARGET_ISA'] == 'mips':
168        drive_sys = makeLinuxMipsSystem(drive_mem_mode, DriveMemClass, bm[1])
169    elif buildEnv['TARGET_ISA'] == 'sparc':
170        drive_sys = makeSparcSystem(drive_mem_mode, DriveMemClass, bm[1])
171    elif buildEnv['TARGET_ISA'] == 'x86':
172        drive_sys = makeX86System(drive_mem_mode, DriveMemClass, np, bm[1])
173    elif buildEnv['TARGET_ISA'] == 'arm':
174        drive_sys = makeArmSystem(drive_mem_mode, options.machine_type,
175                                  DriveMemClass, bm[1])
176
177    drive_sys.clock = options.sys_clock
178
179    drive_sys.cpu = DriveCPUClass(cpu_id=0)
180    drive_sys.cpu.createThreads()
181    drive_sys.cpu.createInterruptController()
182    drive_sys.cpu.connectAllPorts(drive_sys.membus)
183    if options.fastmem:
184        drive_sys.cpu.fastmem = True
185    if options.kernel is not None:
186        drive_sys.kernel = binary(options.kernel)
187
188    if is_kvm_cpu(DriveCPUClass):
189        drive_sys.vm = KvmVM()
190
191    drive_sys.iobridge = Bridge(delay='50ns',
192                                ranges = drive_sys.mem_ranges)
193    drive_sys.iobridge.slave = drive_sys.iobus.master
194    drive_sys.iobridge.master = drive_sys.membus.slave
195
196    drive_sys.init_param = options.init_param
197    root = makeDualRoot(True, test_sys, drive_sys, options.etherdump)
198elif len(bm) == 1:
199    root = Root(full_system=True, system=test_sys)
200else:
201    print "Error I don't know how to create more than 2 systems."
202    sys.exit(1)
203
204if options.timesync:
205    root.time_sync_enable = True
206
207if options.frame_capture:
208    VncServer.frame_capture = True
209
210Simulation.setWorkCountOptions(test_sys, options)
211Simulation.run(options, root, test_sys, FutureClass)
212