| # Copyright (c) 2010-2013 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) 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 |
| |
| import optparse |
| import sys |
| |
| import m5 |
| from m5.defines import buildEnv |
| from m5.objects import * |
| from m5.util import addToPath, fatal |
| |
| addToPath('../common') |
| |
| from FSConfig import * |
| from SysPaths import * |
| from Benchmarks import * |
| import Simulation |
| import CacheConfig |
| from Caches import * |
| import Options |
| |
| parser = optparse.OptionParser() |
| Options.addCommonOptions(parser) |
| Options.addFSOptions(parser) |
| |
| (options, args) = parser.parse_args() |
| |
| if args: |
| print "Error: script doesn't take any positional arguments" |
| sys.exit(1) |
| |
| # driver system CPU is always simple... note this is an assignment of |
| # a class, not an instance. |
| DriveCPUClass = AtomicSimpleCPU |
| drive_mem_mode = 'atomic' |
| |
| # 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) |
| |
| # system under test can be any CPU |
| (TestCPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options) |
| |
| # Match the memories with the CPUs, the driver system always simple, |
| # and based on the options for the test system |
| DriveMemClass = SimpleMemory |
| 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, mem=options.mem_size), SysConfig(disk=options.disk_image, mem=options.mem_size)] |
| else: |
| bm = [SysConfig(disk=options.disk_image, mem=options.mem_size)] |
| |
| np = options.num_cpus |
| |
| if buildEnv['TARGET_ISA'] == "alpha": |
| test_sys = makeLinuxAlphaSystem(test_mem_mode, TestMemClass, bm[0]) |
| elif buildEnv['TARGET_ISA'] == "mips": |
| test_sys = makeLinuxMipsSystem(test_mem_mode, TestMemClass, bm[0]) |
| elif buildEnv['TARGET_ISA'] == "sparc": |
| test_sys = makeSparcSystem(test_mem_mode, TestMemClass, bm[0]) |
| elif buildEnv['TARGET_ISA'] == "x86": |
| test_sys = makeLinuxX86System(test_mem_mode, TestMemClass, |
| options.num_cpus, bm[0]) |
| elif buildEnv['TARGET_ISA'] == "arm": |
| test_sys = makeArmSystem(test_mem_mode, options.machine_type, |
| TestMemClass, bm[0], options.dtb_filename, |
| bare_metal=options.bare_metal) |
| else: |
| fatal("Incapable of building %s full system!", buildEnv['TARGET_ISA']) |
| |
| # Create a source clock for the system and set the clock period |
| test_sys.clk_domain = SrcClockDomain(clock = options.sys_clock) |
| |
| # Create a source clock for the CPUs and set the clock period |
| test_sys.cpu_clk_domain = SrcClockDomain(clock = options.cpu_clock) |
| |
| if options.kernel is not None: |
| test_sys.kernel = binary(options.kernel) |
| |
| if options.script is not None: |
| test_sys.readfile = options.script |
| |
| 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.vm = KvmVM() |
| |
| 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 |
| else: |
| 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!") |
| |
| for i in xrange(np): |
| if options.fastmem: |
| test_sys.cpu[i].fastmem = True |
| if options.checker: |
| test_sys.cpu[i].addCheckerCpu() |
| test_sys.cpu[i].createThreads() |
| |
| CacheConfig.config_cache(options, test_sys) |
| |
| if len(bm) == 2: |
| if buildEnv['TARGET_ISA'] == 'alpha': |
| drive_sys = makeLinuxAlphaSystem(drive_mem_mode, DriveMemClass, bm[1]) |
| elif buildEnv['TARGET_ISA'] == 'mips': |
| drive_sys = makeLinuxMipsSystem(drive_mem_mode, DriveMemClass, bm[1]) |
| elif buildEnv['TARGET_ISA'] == 'sparc': |
| drive_sys = makeSparcSystem(drive_mem_mode, DriveMemClass, bm[1]) |
| elif buildEnv['TARGET_ISA'] == 'x86': |
| drive_sys = makeX86System(drive_mem_mode, DriveMemClass, np, bm[1]) |
| elif buildEnv['TARGET_ISA'] == 'arm': |
| drive_sys = makeArmSystem(drive_mem_mode, options.machine_type, |
| DriveMemClass, bm[1]) |
| |
| # Create a source clock for the system and set the clock period |
| drive_sys.clk_domain = SrcClockDomain(clock = options.sys_clock) |
| |
| # Create a source clock for the CPUs and set the clock period |
| drive_sys.cpu_clk_domain = SrcClockDomain(clock = options.cpu_clock) |
| |
| 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.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 |
| |
| drive_sys.init_param = options.init_param |
| root = makeDualRoot(True, test_sys, drive_sys, 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 |
| |
| Simulation.setWorkCountOptions(test_sys, options) |
| Simulation.run(options, root, test_sys, FutureClass) |