configs/example/se.py - public/gem5 - Git at Google

 # 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
 from __future__ import absolute_import

 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 BPConfig
 from common import MemConfig
 from common.FileSystemConfig import redirect_paths, config_filesystem
 from common.Caches import *
 from common.cpu2000 import *

 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 range(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 CpuConfig.is_kvm_cpu(CPUClass) or CpuConfig.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.simpoint_profile:
     if not CpuConfig.is_noncaching_cpu(CPUClass):
         fatal("SimPoint/BPProbe should be done with an atomic cpu")
     if np > 1:
         fatal("SimPoint generation not supported with more than one CPUs")

 for i in range(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.simpoint_profile:
         system.cpu[i].addSimPointProbe(options.simpoint_interval)

     if options.checker:
         system.cpu[i].addCheckerCpu()

     if options.bp_type:
         bpClass = BPConfig.get(options.bp_type)
         system.cpu[i].branchPred = bpClass()

     system.cpu[i].createThreads()

 system.redirect_paths = redirect_paths(os.path.expanduser(options.chroot))
 config_filesystem(options)

 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 range(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)
	# 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
	from __future__ import absolute_import

	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 BPConfig
	from common import MemConfig
	from common.FileSystemConfig import redirect_paths, config_filesystem
	from common.Caches import *
	from common.cpu2000 import *

	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 range(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 CpuConfig.is_kvm_cpu(CPUClass) or CpuConfig.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.simpoint_profile:
	if not CpuConfig.is_noncaching_cpu(CPUClass):
	fatal("SimPoint/BPProbe should be done with an atomic cpu")
	if np > 1:
	fatal("SimPoint generation not supported with more than one CPUs")

	for i in range(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.simpoint_profile:
	system.cpu[i].addSimPointProbe(options.simpoint_interval)

	if options.checker:
	system.cpu[i].addCheckerCpu()

	if options.bp_type:
	bpClass = BPConfig.get(options.bp_type)
	system.cpu[i].branchPred = bpClass()

	system.cpu[i].createThreads()

	system.redirect_paths = redirect_paths(os.path.expanduser(options.chroot))
	config_filesystem(options)

	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 range(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)