274 lines
9.4 KiB
Python
274 lines
9.4 KiB
Python
# Copyright (c) 2012-2013 ARM Limited
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# All rights reserved.
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#
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# The license below extends only to copyright in the software and shall
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# not be construed as granting a license to any other intellectual
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# property including but not limited to intellectual property relating
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# to a hardware implementation of the functionality of the software
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# licensed hereunder. You may use the software subject to the license
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# terms below provided that you ensure that this notice is replicated
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# unmodified and in its entirety in all distributions of the software,
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# modified or unmodified, in source code or in binary form.
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#
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# Copyright (c) 2006-2008 The Regents of The University of Michigan
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Steve Reinhardt
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# Simple test script
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#
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# "m5 test.py"
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import optparse
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import sys
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import os
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import m5
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from m5.defines import buildEnv
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from m5.objects import *
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from m5.util import addToPath, fatal
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addToPath('../common')
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addToPath('../ruby')
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import Options
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import Ruby
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import Simulation
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import CacheConfig
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import MemConfig
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from Caches import *
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from cpu2000 import *
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# Check if KVM support has been enabled, we might need to do VM
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# configuration if that's the case.
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have_kvm_support = 'BaseKvmCPU' in globals()
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def is_kvm_cpu(cpu_class):
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return have_kvm_support and cpu_class != None and \
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issubclass(cpu_class, BaseKvmCPU)
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def get_processes(options):
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"""Interprets provided options and returns a list of processes"""
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multiprocesses = []
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inputs = []
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outputs = []
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errouts = []
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pargs = []
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workloads = options.cmd.split(';')
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if options.input != "":
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inputs = options.input.split(';')
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if options.output != "":
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outputs = options.output.split(';')
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if options.errout != "":
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errouts = options.errout.split(';')
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if options.options != "":
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pargs = options.options.split(';')
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idx = 0
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for wrkld in workloads:
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process = LiveProcess()
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process.executable = wrkld
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process.cwd = os.getcwd()
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if len(pargs) > idx:
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process.cmd = [wrkld] + pargs[idx].split()
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else:
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process.cmd = [wrkld]
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if len(inputs) > idx:
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process.input = inputs[idx]
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if len(outputs) > idx:
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process.output = outputs[idx]
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if len(errouts) > idx:
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process.errout = errouts[idx]
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multiprocesses.append(process)
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idx += 1
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if options.smt:
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assert(options.cpu_type == "detailed")
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return multiprocesses, idx
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else:
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return multiprocesses, 1
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parser = optparse.OptionParser()
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Options.addCommonOptions(parser)
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Options.addSEOptions(parser)
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if '--ruby' in sys.argv:
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Ruby.define_options(parser)
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(options, args) = parser.parse_args()
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if args:
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print "Error: script doesn't take any positional arguments"
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sys.exit(1)
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multiprocesses = []
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numThreads = 1
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if options.bench:
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apps = options.bench.split("-")
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if len(apps) != options.num_cpus:
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print "number of benchmarks not equal to set num_cpus!"
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sys.exit(1)
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for app in apps:
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try:
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if buildEnv['TARGET_ISA'] == 'alpha':
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exec("workload = %s('alpha', 'tru64', '%s')" % (
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app, options.spec_input))
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elif buildEnv['TARGET_ISA'] == 'arm':
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exec("workload = %s('arm_%s', 'linux', '%s')" % (
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app, options.arm_iset, options.spec_input))
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else:
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exec("workload = %s(buildEnv['TARGET_ISA', 'linux', '%s')" % (
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app, options.spec_input))
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multiprocesses.append(workload.makeLiveProcess())
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except:
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print >>sys.stderr, "Unable to find workload for %s: %s" % (
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buildEnv['TARGET_ISA'], app)
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sys.exit(1)
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elif options.cmd:
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multiprocesses, numThreads = get_processes(options)
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else:
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print >> sys.stderr, "No workload specified. Exiting!\n"
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sys.exit(1)
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(CPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
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CPUClass.numThreads = numThreads
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# Check -- do not allow SMT with multiple CPUs
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if options.smt and options.num_cpus > 1:
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fatal("You cannot use SMT with multiple CPUs!")
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np = options.num_cpus
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system = System(cpu = [CPUClass(cpu_id=i) for i in xrange(np)],
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mem_mode = test_mem_mode,
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mem_ranges = [AddrRange(options.mem_size)],
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cache_line_size = options.cacheline_size)
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# Create a top-level voltage domain
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system.voltage_domain = VoltageDomain(voltage = options.sys_voltage)
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# Create a source clock for the system and set the clock period
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system.clk_domain = SrcClockDomain(clock = options.sys_clock,
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voltage_domain = system.voltage_domain)
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# Create a CPU voltage domain
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system.cpu_voltage_domain = VoltageDomain()
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# Create a separate clock domain for the CPUs
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system.cpu_clk_domain = SrcClockDomain(clock = options.cpu_clock,
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voltage_domain =
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system.cpu_voltage_domain)
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# All cpus belong to a common cpu_clk_domain, therefore running at a common
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# frequency.
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for cpu in system.cpu:
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cpu.clk_domain = system.cpu_clk_domain
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if is_kvm_cpu(CPUClass) or is_kvm_cpu(FutureClass):
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if buildEnv['TARGET_ISA'] == 'x86':
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system.vm = KvmVM()
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for process in multiprocesses:
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process.useArchPT = True
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process.kvmInSE = True
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else:
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fatal("KvmCPU can only be used in SE mode with x86")
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# Sanity check
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if options.fastmem:
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if CPUClass != AtomicSimpleCPU:
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fatal("Fastmem can only be used with atomic CPU!")
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if (options.caches or options.l2cache):
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fatal("You cannot use fastmem in combination with caches!")
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if options.simpoint_profile:
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if not options.fastmem:
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# Atomic CPU checked with fastmem option already
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fatal("SimPoint generation should be done with atomic cpu and fastmem")
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if np > 1:
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fatal("SimPoint generation not supported with more than one CPUs")
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for i in xrange(np):
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if options.smt:
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system.cpu[i].workload = multiprocesses
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elif len(multiprocesses) == 1:
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system.cpu[i].workload = multiprocesses[0]
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else:
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system.cpu[i].workload = multiprocesses[i]
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if options.fastmem:
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system.cpu[i].fastmem = True
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if options.simpoint_profile:
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system.cpu[i].addSimPointProbe(options.simpoint_interval)
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if options.checker:
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system.cpu[i].addCheckerCpu()
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system.cpu[i].createThreads()
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if options.ruby:
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if not (options.cpu_type == "detailed" or options.cpu_type == "timing"):
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print >> sys.stderr, "Ruby requires TimingSimpleCPU or O3CPU!!"
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sys.exit(1)
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Ruby.create_system(options, False, system)
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assert(options.num_cpus == len(system.ruby._cpu_ports))
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system.ruby.clk_domain = SrcClockDomain(clock = options.ruby_clock,
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voltage_domain = system.voltage_domain)
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for i in xrange(np):
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ruby_port = system.ruby._cpu_ports[i]
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# Create the interrupt controller and connect its ports to Ruby
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# Note that the interrupt controller is always present but only
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# in x86 does it have message ports that need to be connected
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system.cpu[i].createInterruptController()
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# Connect the cpu's cache ports to Ruby
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system.cpu[i].icache_port = ruby_port.slave
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system.cpu[i].dcache_port = ruby_port.slave
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if buildEnv['TARGET_ISA'] == 'x86':
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system.cpu[i].interrupts.pio = ruby_port.master
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system.cpu[i].interrupts.int_master = ruby_port.slave
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system.cpu[i].interrupts.int_slave = ruby_port.master
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system.cpu[i].itb.walker.port = ruby_port.slave
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system.cpu[i].dtb.walker.port = ruby_port.slave
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else:
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MemClass = Simulation.setMemClass(options)
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system.membus = CoherentXBar()
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system.system_port = system.membus.slave
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CacheConfig.config_cache(options, system)
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MemConfig.config_mem(options, system)
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root = Root(full_system = False, system = system)
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Simulation.run(options, root, system, FutureClass)
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