| # Copyright (c) 2012-2013 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) 2006-2008 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: Steve Reinhardt |
| |
| # Simple test script |
| # |
| # "m5 test.py" |
| |
| from __future__ import print_function |
| |
| import optparse |
| import sys |
| import os |
| |
| import m5 |
| from m5.defines import buildEnv |
| from m5.objects import * |
| from m5.util import addToPath, fatal, warn |
| |
| addToPath('../') |
| |
| from ruby import Ruby |
| |
| from common import Options |
| from common import Simulation |
| from common import CacheConfig |
| from common import CpuConfig |
| from common import MemConfig |
| from common.Caches import * |
| from common.cpu2000 import * |
| |
| # 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 get_processes(options): |
| """Interprets provided options and returns a list of processes""" |
| |
| multiprocesses = [] |
| inputs = [] |
| outputs = [] |
| errouts = [] |
| pargs = [] |
| |
| workloads = options.cmd.split(';') |
| if options.input != "": |
| inputs = options.input.split(';') |
| if options.output != "": |
| outputs = options.output.split(';') |
| if options.errout != "": |
| errouts = options.errout.split(';') |
| if options.options != "": |
| pargs = options.options.split(';') |
| |
| idx = 0 |
| for wrkld in workloads: |
| process = Process(pid = 100 + idx) |
| process.executable = wrkld |
| process.cwd = os.getcwd() |
| |
| if options.env: |
| with open(options.env, 'r') as f: |
| process.env = [line.rstrip() for line in f] |
| |
| if len(pargs) > idx: |
| process.cmd = [wrkld] + pargs[idx].split() |
| else: |
| process.cmd = [wrkld] |
| |
| if len(inputs) > idx: |
| process.input = inputs[idx] |
| if len(outputs) > idx: |
| process.output = outputs[idx] |
| if len(errouts) > idx: |
| process.errout = errouts[idx] |
| |
| multiprocesses.append(process) |
| idx += 1 |
| |
| if options.smt: |
| assert(options.cpu_type == "DerivO3CPU") |
| return multiprocesses, idx |
| else: |
| return multiprocesses, 1 |
| |
| |
| parser = optparse.OptionParser() |
| Options.addCommonOptions(parser) |
| Options.addSEOptions(parser) |
| |
| 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) |
| |
| multiprocesses = [] |
| numThreads = 1 |
| |
| if options.bench: |
| apps = options.bench.split("-") |
| if len(apps) != options.num_cpus: |
| print("number of benchmarks not equal to set num_cpus!") |
| sys.exit(1) |
| |
| for app in apps: |
| try: |
| if buildEnv['TARGET_ISA'] == 'alpha': |
| exec("workload = %s('alpha', 'tru64', '%s')" % ( |
| app, options.spec_input)) |
| elif buildEnv['TARGET_ISA'] == 'arm': |
| exec("workload = %s('arm_%s', 'linux', '%s')" % ( |
| app, options.arm_iset, options.spec_input)) |
| else: |
| exec("workload = %s(buildEnv['TARGET_ISA', 'linux', '%s')" % ( |
| app, options.spec_input)) |
| multiprocesses.append(workload.makeProcess()) |
| except: |
| print("Unable to find workload for %s: %s" % |
| (buildEnv['TARGET_ISA'], app), |
| file=sys.stderr) |
| sys.exit(1) |
| elif options.cmd: |
| multiprocesses, numThreads = get_processes(options) |
| else: |
| print("No workload specified. Exiting!\n", file=sys.stderr) |
| sys.exit(1) |
| |
| |
| (CPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options) |
| CPUClass.numThreads = numThreads |
| |
| # Check -- do not allow SMT with multiple CPUs |
| if options.smt and options.num_cpus > 1: |
| fatal("You cannot use SMT with multiple CPUs!") |
| |
| np = options.num_cpus |
| system = System(cpu = [CPUClass(cpu_id=i) for i in xrange(np)], |
| mem_mode = test_mem_mode, |
| mem_ranges = [AddrRange(options.mem_size)], |
| cache_line_size = options.cacheline_size) |
| |
| if numThreads > 1: |
| system.multi_thread = True |
| |
| # Create a top-level voltage domain |
| system.voltage_domain = VoltageDomain(voltage = options.sys_voltage) |
| |
| # Create a source clock for the system and set the clock period |
| system.clk_domain = SrcClockDomain(clock = options.sys_clock, |
| voltage_domain = system.voltage_domain) |
| |
| # Create a CPU voltage domain |
| system.cpu_voltage_domain = VoltageDomain() |
| |
| # Create a separate clock domain for the CPUs |
| system.cpu_clk_domain = SrcClockDomain(clock = options.cpu_clock, |
| voltage_domain = |
| system.cpu_voltage_domain) |
| |
| # If elastic tracing is enabled, then configure the cpu and attach the elastic |
| # trace probe |
| if options.elastic_trace_en: |
| CpuConfig.config_etrace(CPUClass, system.cpu, options) |
| |
| # All cpus belong to a common cpu_clk_domain, therefore running at a common |
| # frequency. |
| for cpu in system.cpu: |
| cpu.clk_domain = system.cpu_clk_domain |
| |
| if is_kvm_cpu(CPUClass) or is_kvm_cpu(FutureClass): |
| if buildEnv['TARGET_ISA'] == 'x86': |
| system.kvm_vm = KvmVM() |
| for process in multiprocesses: |
| process.useArchPT = True |
| process.kvmInSE = True |
| else: |
| fatal("KvmCPU can only be used in SE mode with x86") |
| |
| # Sanity check |
| if options.fastmem: |
| if CPUClass != 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.smt: |
| system.cpu[i].workload = multiprocesses |
| elif len(multiprocesses) == 1: |
| system.cpu[i].workload = multiprocesses[0] |
| else: |
| system.cpu[i].workload = multiprocesses[i] |
| |
| if options.fastmem: |
| system.cpu[i].fastmem = True |
| |
| if options.simpoint_profile: |
| system.cpu[i].addSimPointProbe(options.simpoint_interval) |
| |
| if options.checker: |
| system.cpu[i].addCheckerCpu() |
| |
| system.cpu[i].createThreads() |
| |
| if options.ruby: |
| Ruby.create_system(options, False, system) |
| assert(options.num_cpus == len(system.ruby._cpu_ports)) |
| |
| system.ruby.clk_domain = SrcClockDomain(clock = options.ruby_clock, |
| voltage_domain = system.voltage_domain) |
| for i in xrange(np): |
| ruby_port = system.ruby._cpu_ports[i] |
| |
| # Create the interrupt controller and connect its ports to Ruby |
| # Note that the interrupt controller is always present but only |
| # in x86 does it have message ports that need to be connected |
| system.cpu[i].createInterruptController() |
| |
| # Connect the cpu's cache ports to Ruby |
| system.cpu[i].icache_port = ruby_port.slave |
| system.cpu[i].dcache_port = ruby_port.slave |
| if buildEnv['TARGET_ISA'] == 'x86': |
| system.cpu[i].interrupts[0].pio = ruby_port.master |
| system.cpu[i].interrupts[0].int_master = ruby_port.slave |
| system.cpu[i].interrupts[0].int_slave = ruby_port.master |
| system.cpu[i].itb.walker.port = ruby_port.slave |
| system.cpu[i].dtb.walker.port = ruby_port.slave |
| else: |
| MemClass = Simulation.setMemClass(options) |
| system.membus = SystemXBar() |
| system.system_port = system.membus.slave |
| CacheConfig.config_cache(options, system) |
| MemConfig.config_mem(options, system) |
| |
| root = Root(full_system = False, system = system) |
| Simulation.run(options, root, system, FutureClass) |
