fs.py revision 10594
1# Copyright (c) 2010-2013 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 44import optparse 45import sys 46 47import m5 48from m5.defines import buildEnv 49from m5.objects import * 50from m5.util import addToPath, fatal 51 52addToPath('../common') 53addToPath('../ruby') 54 55import Ruby 56 57from FSConfig import * 58from SysPaths import * 59from Benchmarks import * 60import Simulation 61import CacheConfig 62import MemConfig 63from Caches import * 64import Options 65 66 67# Check if KVM support has been enabled, we might need to do VM 68# configuration if that's the case. 69have_kvm_support = 'BaseKvmCPU' in globals() 70def is_kvm_cpu(cpu_class): 71 return have_kvm_support and cpu_class != None and \ 72 issubclass(cpu_class, BaseKvmCPU) 73 74def cmd_line_template(): 75 if options.command_line and options.command_line_file: 76 print "Error: --command-line and --command-line-file are " \ 77 "mutually exclusive" 78 sys.exit(1) 79 if options.command_line: 80 return options.command_line 81 if options.command_line_file: 82 return open(options.command_line_file).read().strip() 83 return None 84 85def build_test_system(np): 86 cmdline = cmd_line_template() 87 if buildEnv['TARGET_ISA'] == "alpha": 88 test_sys = makeLinuxAlphaSystem(test_mem_mode, bm[0], options.ruby, 89 cmdline=cmdline) 90 elif buildEnv['TARGET_ISA'] == "mips": 91 test_sys = makeLinuxMipsSystem(test_mem_mode, bm[0], cmdline=cmdline) 92 elif buildEnv['TARGET_ISA'] == "sparc": 93 test_sys = makeSparcSystem(test_mem_mode, bm[0], cmdline=cmdline) 94 elif buildEnv['TARGET_ISA'] == "x86": 95 test_sys = makeLinuxX86System(test_mem_mode, options.num_cpus, bm[0], 96 options.ruby, cmdline=cmdline) 97 elif buildEnv['TARGET_ISA'] == "arm": 98 test_sys = makeArmSystem(test_mem_mode, options.machine_type, 99 options.num_cpus, bm[0], options.dtb_filename, 100 bare_metal=options.bare_metal, 101 cmdline=cmdline) 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 is_kvm_cpu(TestCPUClass) or is_kvm_cpu(FutureClass): 144 test_sys.vm = KvmVM() 145 146 if options.ruby: 147 # Check for timing mode because ruby does not support atomic accesses 148 if not (options.cpu_type == "detailed" or options.cpu_type == "timing"): 149 print >> sys.stderr, "Ruby requires TimingSimpleCPU or O3CPU!!" 150 sys.exit(1) 151 152 Ruby.create_system(options, True, test_sys, test_sys.iobus, 153 test_sys._dma_ports) 154 155 # Create a seperate clock domain for Ruby 156 test_sys.ruby.clk_domain = SrcClockDomain(clock = options.ruby_clock, 157 voltage_domain = test_sys.voltage_domain) 158 159 # Connect the ruby io port to the PIO bus, 160 # assuming that there is just one such port. 161 test_sys.iobus.master = test_sys.ruby._io_port.slave 162 163 for (i, cpu) in enumerate(test_sys.cpu): 164 # 165 # Tie the cpu ports to the correct ruby system ports 166 # 167 cpu.clk_domain = test_sys.cpu_clk_domain 168 cpu.createThreads() 169 cpu.createInterruptController() 170 171 cpu.icache_port = test_sys.ruby._cpu_ports[i].slave 172 cpu.dcache_port = test_sys.ruby._cpu_ports[i].slave 173 174 if buildEnv['TARGET_ISA'] == "x86": 175 cpu.itb.walker.port = test_sys.ruby._cpu_ports[i].slave 176 cpu.dtb.walker.port = test_sys.ruby._cpu_ports[i].slave 177 178 cpu.interrupts.pio = test_sys.ruby._cpu_ports[i].master 179 cpu.interrupts.int_master = test_sys.ruby._cpu_ports[i].slave 180 cpu.interrupts.int_slave = test_sys.ruby._cpu_ports[i].master 181 182 else: 183 if options.caches or options.l2cache: 184 # By default the IOCache runs at the system clock 185 test_sys.iocache = IOCache(addr_ranges = test_sys.mem_ranges) 186 test_sys.iocache.cpu_side = test_sys.iobus.master 187 test_sys.iocache.mem_side = test_sys.membus.slave 188 else: 189 test_sys.iobridge = Bridge(delay='50ns', ranges = test_sys.mem_ranges) 190 test_sys.iobridge.slave = test_sys.iobus.master 191 test_sys.iobridge.master = test_sys.membus.slave 192 193 # Sanity check 194 if options.fastmem: 195 if TestCPUClass != AtomicSimpleCPU: 196 fatal("Fastmem can only be used with atomic CPU!") 197 if (options.caches or options.l2cache): 198 fatal("You cannot use fastmem in combination with caches!") 199 200 for i in xrange(np): 201 if options.fastmem: 202 test_sys.cpu[i].fastmem = True 203 if options.checker: 204 test_sys.cpu[i].addCheckerCpu() 205 test_sys.cpu[i].createThreads() 206 207 CacheConfig.config_cache(options, test_sys) 208 MemConfig.config_mem(options, test_sys) 209 210 return test_sys 211 212def build_drive_system(np): 213 # driver system CPU is always simple, so is the memory 214 # Note this is an assignment of a class, not an instance. 215 DriveCPUClass = AtomicSimpleCPU 216 drive_mem_mode = 'atomic' 217 DriveMemClass = SimpleMemory 218 219 cmdline = cmd_line_template() 220 if buildEnv['TARGET_ISA'] == 'alpha': 221 drive_sys = makeLinuxAlphaSystem(drive_mem_mode, bm[1], cmdline=cmdline) 222 elif buildEnv['TARGET_ISA'] == 'mips': 223 drive_sys = makeLinuxMipsSystem(drive_mem_mode, bm[1], cmdline=cmdline) 224 elif buildEnv['TARGET_ISA'] == 'sparc': 225 drive_sys = makeSparcSystem(drive_mem_mode, bm[1], cmdline=cmdline) 226 elif buildEnv['TARGET_ISA'] == 'x86': 227 drive_sys = makeLinuxX86System(drive_mem_mode, np, bm[1], 228 cmdline=cmdline) 229 elif buildEnv['TARGET_ISA'] == 'arm': 230 drive_sys = makeArmSystem(drive_mem_mode, options.machine_type, bm[1], 231 cmdline=cmdline) 232 233 # Create a top-level voltage domain 234 drive_sys.voltage_domain = VoltageDomain(voltage = options.sys_voltage) 235 236 # Create a source clock for the system and set the clock period 237 drive_sys.clk_domain = SrcClockDomain(clock = options.sys_clock, 238 voltage_domain = drive_sys.voltage_domain) 239 240 # Create a CPU voltage domain 241 drive_sys.cpu_voltage_domain = VoltageDomain() 242 243 # Create a source clock for the CPUs and set the clock period 244 drive_sys.cpu_clk_domain = SrcClockDomain(clock = options.cpu_clock, 245 voltage_domain = 246 drive_sys.cpu_voltage_domain) 247 248 drive_sys.cpu = DriveCPUClass(clk_domain=drive_sys.cpu_clk_domain, 249 cpu_id=0) 250 drive_sys.cpu.createThreads() 251 drive_sys.cpu.createInterruptController() 252 drive_sys.cpu.connectAllPorts(drive_sys.membus) 253 if options.fastmem: 254 drive_sys.cpu.fastmem = True 255 if options.kernel is not None: 256 drive_sys.kernel = binary(options.kernel) 257 258 if is_kvm_cpu(DriveCPUClass): 259 drive_sys.vm = KvmVM() 260 261 drive_sys.iobridge = Bridge(delay='50ns', 262 ranges = drive_sys.mem_ranges) 263 drive_sys.iobridge.slave = drive_sys.iobus.master 264 drive_sys.iobridge.master = drive_sys.membus.slave 265 266 # Create the appropriate memory controllers and connect them to the 267 # memory bus 268 drive_sys.mem_ctrls = [DriveMemClass(range = r) 269 for r in drive_sys.mem_ranges] 270 for i in xrange(len(drive_sys.mem_ctrls)): 271 drive_sys.mem_ctrls[i].port = drive_sys.membus.master 272 273 drive_sys.init_param = options.init_param 274 275 return drive_sys 276 277# Add options 278parser = optparse.OptionParser() 279Options.addCommonOptions(parser) 280Options.addFSOptions(parser) 281 282# Add the ruby specific and protocol specific options 283if '--ruby' in sys.argv: 284 Ruby.define_options(parser) 285 286(options, args) = parser.parse_args() 287 288if args: 289 print "Error: script doesn't take any positional arguments" 290 sys.exit(1) 291 292# system under test can be any CPU 293(TestCPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options) 294 295# Match the memories with the CPUs, based on the options for the test system 296TestMemClass = Simulation.setMemClass(options) 297 298if options.benchmark: 299 try: 300 bm = Benchmarks[options.benchmark] 301 except KeyError: 302 print "Error benchmark %s has not been defined." % options.benchmark 303 print "Valid benchmarks are: %s" % DefinedBenchmarks 304 sys.exit(1) 305else: 306 if options.dual: 307 bm = [SysConfig(disk=options.disk_image, mem=options.mem_size), 308 SysConfig(disk=options.disk_image, mem=options.mem_size)] 309 else: 310 bm = [SysConfig(disk=options.disk_image, mem=options.mem_size)] 311 312np = options.num_cpus 313 314test_sys = build_test_system(np) 315if len(bm) == 2: 316 drive_sys = build_drive_system(np) 317 root = makeDualRoot(True, test_sys, drive_sys, options.etherdump) 318elif len(bm) == 1: 319 root = Root(full_system=True, system=test_sys) 320else: 321 print "Error I don't know how to create more than 2 systems." 322 sys.exit(1) 323 324if options.timesync: 325 root.time_sync_enable = True 326 327if options.frame_capture: 328 VncServer.frame_capture = True 329 330Simulation.setWorkCountOptions(test_sys, options) 331Simulation.run(options, root, test_sys, FutureClass) 332