| # Copyright (c) 2010-2013, 2016 ARM Limited |
| # All rights reserved. |
| # |
| # The license below extends only to copyright in the software and shall |
| # not be construed as granting a license to any other intellectual |
| # property including but not limited to intellectual property relating |
| # to a hardware implementation of the functionality of the software |
| # licensed hereunder. You may use the software subject to the license |
| # terms below provided that you ensure that this notice is replicated |
| # unmodified and in its entirety in all distributions of the software, |
| # modified or unmodified, in source code or in binary form. |
| # |
| # Copyright (c) 2012-2014 Mark D. Hill and David A. Wood |
| # Copyright (c) 2009-2011 Advanced Micro Devices, Inc. |
| # Copyright (c) 2006-2007 The Regents of The University of Michigan |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer; |
| # redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution; |
| # neither the name of the copyright holders nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| # Authors: Ali Saidi |
| # Brad Beckmann |
| |
| import optparse |
| import sys |
| |
| import m5 |
| from m5.defines import buildEnv |
| from m5.objects import * |
| from m5.util import addToPath, fatal, warn |
| from m5.util.fdthelper import * |
| |
| addToPath('../') |
| |
| from ruby import Ruby |
| |
| from common.FSConfig import * |
| from common.SysPaths import * |
| from common.Benchmarks import * |
| from common import Simulation |
| from common import CacheConfig |
| from common import MemConfig |
| from common import CpuConfig |
| from common.Caches import * |
| from common import Options |
| |
| |
| # Check if KVM support has been enabled, we might need to do VM |
| # configuration if that's the case. |
| have_kvm_support = 'BaseKvmCPU' in globals() |
| def is_kvm_cpu(cpu_class): |
| return have_kvm_support and cpu_class != None and \ |
| issubclass(cpu_class, BaseKvmCPU) |
| |
| def cmd_line_template(): |
| if options.command_line and options.command_line_file: |
| print "Error: --command-line and --command-line-file are " \ |
| "mutually exclusive" |
| sys.exit(1) |
| if options.command_line: |
| return options.command_line |
| if options.command_line_file: |
| return open(options.command_line_file).read().strip() |
| return None |
| |
| def build_test_system(np): |
| cmdline = cmd_line_template() |
| if buildEnv['TARGET_ISA'] == "alpha": |
| test_sys = makeLinuxAlphaSystem(test_mem_mode, bm[0], options.ruby, |
| cmdline=cmdline) |
| elif buildEnv['TARGET_ISA'] == "mips": |
| test_sys = makeLinuxMipsSystem(test_mem_mode, bm[0], cmdline=cmdline) |
| elif buildEnv['TARGET_ISA'] == "sparc": |
| test_sys = makeSparcSystem(test_mem_mode, bm[0], cmdline=cmdline) |
| elif buildEnv['TARGET_ISA'] == "x86": |
| test_sys = makeLinuxX86System(test_mem_mode, options.num_cpus, bm[0], |
| options.ruby, cmdline=cmdline) |
| elif buildEnv['TARGET_ISA'] == "arm": |
| test_sys = makeArmSystem(test_mem_mode, options.machine_type, |
| options.num_cpus, bm[0], options.dtb_filename, |
| bare_metal=options.bare_metal, |
| cmdline=cmdline, |
| ignore_dtb=options.generate_dtb, |
| external_memory= |
| options.external_memory_system, |
| ruby=options.ruby, |
| security=options.enable_security_extensions) |
| if options.enable_context_switch_stats_dump: |
| test_sys.enable_context_switch_stats_dump = True |
| else: |
| fatal("Incapable of building %s full system!", buildEnv['TARGET_ISA']) |
| |
| # Set the cache line size for the entire system |
| test_sys.cache_line_size = options.cacheline_size |
| |
| # Create a top-level voltage domain |
| test_sys.voltage_domain = VoltageDomain(voltage = options.sys_voltage) |
| |
| # Create a source clock for the system and set the clock period |
| test_sys.clk_domain = SrcClockDomain(clock = options.sys_clock, |
| voltage_domain = test_sys.voltage_domain) |
| |
| # Create a CPU voltage domain |
| test_sys.cpu_voltage_domain = VoltageDomain() |
| |
| # Create a source clock for the CPUs and set the clock period |
| test_sys.cpu_clk_domain = SrcClockDomain(clock = options.cpu_clock, |
| voltage_domain = |
| test_sys.cpu_voltage_domain) |
| |
| if options.kernel is not None: |
| test_sys.kernel = binary(options.kernel) |
| |
| if options.script is not None: |
| test_sys.readfile = options.script |
| |
| if options.lpae: |
| test_sys.have_lpae = True |
| |
| if options.virtualisation: |
| test_sys.have_virtualization = True |
| |
| test_sys.init_param = options.init_param |
| |
| # For now, assign all the CPUs to the same clock domain |
| test_sys.cpu = [TestCPUClass(clk_domain=test_sys.cpu_clk_domain, cpu_id=i) |
| for i in xrange(np)] |
| |
| if is_kvm_cpu(TestCPUClass) or is_kvm_cpu(FutureClass): |
| test_sys.kvm_vm = KvmVM() |
| |
| if options.ruby: |
| Ruby.create_system(options, True, test_sys, test_sys.iobus, |
| test_sys._dma_ports) |
| |
| # Create a seperate clock domain for Ruby |
| test_sys.ruby.clk_domain = SrcClockDomain(clock = options.ruby_clock, |
| voltage_domain = test_sys.voltage_domain) |
| |
| # Connect the ruby io port to the PIO bus, |
| # assuming that there is just one such port. |
| test_sys.iobus.master = test_sys.ruby._io_port.slave |
| |
| for (i, cpu) in enumerate(test_sys.cpu): |
| # |
| # Tie the cpu ports to the correct ruby system ports |
| # |
| cpu.clk_domain = test_sys.cpu_clk_domain |
| cpu.createThreads() |
| cpu.createInterruptController() |
| |
| cpu.icache_port = test_sys.ruby._cpu_ports[i].slave |
| cpu.dcache_port = test_sys.ruby._cpu_ports[i].slave |
| |
| if buildEnv['TARGET_ISA'] in ("x86", "arm"): |
| cpu.itb.walker.port = test_sys.ruby._cpu_ports[i].slave |
| cpu.dtb.walker.port = test_sys.ruby._cpu_ports[i].slave |
| |
| if buildEnv['TARGET_ISA'] in "x86": |
| cpu.interrupts[0].pio = test_sys.ruby._cpu_ports[i].master |
| cpu.interrupts[0].int_master = test_sys.ruby._cpu_ports[i].slave |
| cpu.interrupts[0].int_slave = test_sys.ruby._cpu_ports[i].master |
| |
| else: |
| if options.caches or options.l2cache: |
| # By default the IOCache runs at the system clock |
| test_sys.iocache = IOCache(addr_ranges = test_sys.mem_ranges) |
| test_sys.iocache.cpu_side = test_sys.iobus.master |
| test_sys.iocache.mem_side = test_sys.membus.slave |
| elif not options.external_memory_system: |
| test_sys.iobridge = Bridge(delay='50ns', ranges = test_sys.mem_ranges) |
| test_sys.iobridge.slave = test_sys.iobus.master |
| test_sys.iobridge.master = test_sys.membus.slave |
| |
| # Sanity check |
| if options.fastmem: |
| if TestCPUClass != AtomicSimpleCPU: |
| fatal("Fastmem can only be used with atomic CPU!") |
| if (options.caches or options.l2cache): |
| fatal("You cannot use fastmem in combination with caches!") |
| |
| if options.simpoint_profile: |
| if not options.fastmem: |
| # Atomic CPU checked with fastmem option already |
| fatal("SimPoint generation should be done with atomic cpu and fastmem") |
| if np > 1: |
| fatal("SimPoint generation not supported with more than one CPUs") |
| |
| for i in xrange(np): |
| if options.fastmem: |
| test_sys.cpu[i].fastmem = True |
| if options.simpoint_profile: |
| test_sys.cpu[i].addSimPointProbe(options.simpoint_interval) |
| if options.checker: |
| test_sys.cpu[i].addCheckerCpu() |
| test_sys.cpu[i].createThreads() |
| |
| # If elastic tracing is enabled when not restoring from checkpoint and |
| # when not fast forwarding using the atomic cpu, then check that the |
| # TestCPUClass is DerivO3CPU or inherits from DerivO3CPU. If the check |
| # passes then attach the elastic trace probe. |
| # If restoring from checkpoint or fast forwarding, the code that does this for |
| # FutureCPUClass is in the Simulation module. If the check passes then the |
| # elastic trace probe is attached to the switch CPUs. |
| if options.elastic_trace_en and options.checkpoint_restore == None and \ |
| not options.fast_forward: |
| CpuConfig.config_etrace(TestCPUClass, test_sys.cpu, options) |
| |
| CacheConfig.config_cache(options, test_sys) |
| |
| MemConfig.config_mem(options, test_sys) |
| |
| return test_sys |
| |
| def build_drive_system(np): |
| # driver system CPU is always simple, so is the memory |
| # Note this is an assignment of a class, not an instance. |
| DriveCPUClass = AtomicSimpleCPU |
| drive_mem_mode = 'atomic' |
| DriveMemClass = SimpleMemory |
| |
| cmdline = cmd_line_template() |
| if buildEnv['TARGET_ISA'] == 'alpha': |
| drive_sys = makeLinuxAlphaSystem(drive_mem_mode, bm[1], cmdline=cmdline) |
| elif buildEnv['TARGET_ISA'] == 'mips': |
| drive_sys = makeLinuxMipsSystem(drive_mem_mode, bm[1], cmdline=cmdline) |
| elif buildEnv['TARGET_ISA'] == 'sparc': |
| drive_sys = makeSparcSystem(drive_mem_mode, bm[1], cmdline=cmdline) |
| elif buildEnv['TARGET_ISA'] == 'x86': |
| drive_sys = makeLinuxX86System(drive_mem_mode, np, bm[1], |
| cmdline=cmdline) |
| elif buildEnv['TARGET_ISA'] == 'arm': |
| drive_sys = makeArmSystem(drive_mem_mode, options.machine_type, np, |
| bm[1], options.dtb_filename, cmdline=cmdline, |
| ignore_dtb=options.generate_dtb) |
| |
| # Create a top-level voltage domain |
| drive_sys.voltage_domain = VoltageDomain(voltage = options.sys_voltage) |
| |
| # Create a source clock for the system and set the clock period |
| drive_sys.clk_domain = SrcClockDomain(clock = options.sys_clock, |
| voltage_domain = drive_sys.voltage_domain) |
| |
| # Create a CPU voltage domain |
| drive_sys.cpu_voltage_domain = VoltageDomain() |
| |
| # Create a source clock for the CPUs and set the clock period |
| drive_sys.cpu_clk_domain = SrcClockDomain(clock = options.cpu_clock, |
| voltage_domain = |
| drive_sys.cpu_voltage_domain) |
| |
| drive_sys.cpu = DriveCPUClass(clk_domain=drive_sys.cpu_clk_domain, |
| cpu_id=0) |
| drive_sys.cpu.createThreads() |
| drive_sys.cpu.createInterruptController() |
| drive_sys.cpu.connectAllPorts(drive_sys.membus) |
| if options.fastmem: |
| drive_sys.cpu.fastmem = True |
| if options.kernel is not None: |
| drive_sys.kernel = binary(options.kernel) |
| |
| if is_kvm_cpu(DriveCPUClass): |
| drive_sys.kvm_vm = KvmVM() |
| |
| drive_sys.iobridge = Bridge(delay='50ns', |
| ranges = drive_sys.mem_ranges) |
| drive_sys.iobridge.slave = drive_sys.iobus.master |
| drive_sys.iobridge.master = drive_sys.membus.slave |
| |
| # Create the appropriate memory controllers and connect them to the |
| # memory bus |
| drive_sys.mem_ctrls = [DriveMemClass(range = r) |
| for r in drive_sys.mem_ranges] |
| for i in xrange(len(drive_sys.mem_ctrls)): |
| drive_sys.mem_ctrls[i].port = drive_sys.membus.master |
| |
| drive_sys.init_param = options.init_param |
| |
| return drive_sys |
| |
| # Add options |
| parser = optparse.OptionParser() |
| Options.addCommonOptions(parser) |
| Options.addFSOptions(parser) |
| |
| # Add the ruby specific and protocol specific options |
| if '--ruby' in sys.argv: |
| Ruby.define_options(parser) |
| |
| (options, args) = parser.parse_args() |
| |
| if args: |
| print "Error: script doesn't take any positional arguments" |
| sys.exit(1) |
| |
| # system under test can be any CPU |
| (TestCPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options) |
| |
| # Match the memories with the CPUs, based on the options for the test system |
| TestMemClass = Simulation.setMemClass(options) |
| |
| if options.benchmark: |
| try: |
| bm = Benchmarks[options.benchmark] |
| except KeyError: |
| print "Error benchmark %s has not been defined." % options.benchmark |
| print "Valid benchmarks are: %s" % DefinedBenchmarks |
| sys.exit(1) |
| else: |
| if options.dual: |
| bm = [SysConfig(disk=options.disk_image, rootdev=options.root_device, |
| mem=options.mem_size, os_type=options.os_type), |
| SysConfig(disk=options.disk_image, rootdev=options.root_device, |
| mem=options.mem_size, os_type=options.os_type)] |
| else: |
| bm = [SysConfig(disk=options.disk_image, rootdev=options.root_device, |
| mem=options.mem_size, os_type=options.os_type)] |
| |
| np = options.num_cpus |
| |
| test_sys = build_test_system(np) |
| if len(bm) == 2: |
| drive_sys = build_drive_system(np) |
| root = makeDualRoot(True, test_sys, drive_sys, options.etherdump) |
| elif len(bm) == 1 and options.dist: |
| # This system is part of a dist-gem5 simulation |
| root = makeDistRoot(test_sys, |
| options.dist_rank, |
| options.dist_size, |
| options.dist_server_name, |
| options.dist_server_port, |
| options.dist_sync_repeat, |
| options.dist_sync_start, |
| options.ethernet_linkspeed, |
| options.ethernet_linkdelay, |
| options.etherdump); |
| elif len(bm) == 1: |
| root = Root(full_system=True, system=test_sys) |
| else: |
| print "Error I don't know how to create more than 2 systems." |
| sys.exit(1) |
| |
| if options.timesync: |
| root.time_sync_enable = True |
| |
| if options.frame_capture: |
| VncServer.frame_capture = True |
| |
| if buildEnv['TARGET_ISA'] == "arm" and options.generate_dtb: |
| # Sanity checks |
| if options.dtb_filename: |
| fatal("--generate-dtb and --dtb-filename cannot be specified at the"\ |
| "same time.") |
| |
| if options.machine_type not in ["VExpress_GEM5", "VExpress_GEM5_V1"]: |
| warn("Can only correctly generate a dtb for VExpress_GEM5_V1 " \ |
| "platforms, unless custom hardware models have been equipped "\ |
| "with generation functionality.") |
| |
| # Generate a Device Tree |
| def create_dtb_for_system(system, filename): |
| state = FdtState(addr_cells=2, size_cells=2, cpu_cells=1) |
| rootNode = system.generateDeviceTree(state) |
| |
| fdt = Fdt() |
| fdt.add_rootnode(rootNode) |
| dtb_filename = os.path.join(m5.options.outdir, filename) |
| return fdt.writeDtbFile(dtb_filename) |
| |
| for sysname in ('system', 'testsys', 'drivesys'): |
| if hasattr(root, sysname): |
| sys = getattr(root, sysname) |
| sys.dtb_filename = create_dtb_for_system(sys, '%s.dtb' % sysname) |
| |
| Simulation.setWorkCountOptions(test_sys, options) |
| Simulation.run(options, root, test_sys, FutureClass) |
