163 lines
6.8 KiB
Python
163 lines
6.8 KiB
Python
# Copyright (c) 2006-2007 The Regents of The University of Michigan
|
|
# Copyright (c) 2009 Advanced Micro Devices, Inc.
|
|
# 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: Brad Beckmann
|
|
|
|
import math
|
|
import m5
|
|
from m5.objects import *
|
|
from m5.defines import buildEnv
|
|
|
|
def define_options(parser):
|
|
# ruby network options
|
|
parser.add_option("--topology", type="string", default="Crossbar",
|
|
help="check src/mem/ruby/network/topologies for complete set")
|
|
parser.add_option("--mesh-rows", type="int", default=1,
|
|
help="the number of rows in the mesh topology")
|
|
parser.add_option("--garnet-network", type="string", default=None,
|
|
help="'fixed'|'flexible'")
|
|
parser.add_option("--network-fault-model", action="store_true", default=False,
|
|
help="enable network fault model: see src/mem/ruby/network/fault_model/")
|
|
|
|
# ruby mapping options
|
|
parser.add_option("--numa-high-bit", type="int", default=0,
|
|
help="high order address bit to use for numa mapping. " \
|
|
"0 = highest bit, not specified = lowest bit")
|
|
|
|
# ruby sparse memory options
|
|
parser.add_option("--use-map", action="store_true", default=False)
|
|
parser.add_option("--map-levels", type="int", default=4)
|
|
|
|
parser.add_option("--recycle-latency", type="int", default=10,
|
|
help="Recycle latency for ruby controller input buffers")
|
|
|
|
parser.add_option("--random_seed", type="int", default=1234,
|
|
help="Used for seeding the random number generator")
|
|
|
|
parser.add_option("--ruby_stats", type="string", default="ruby.stats")
|
|
|
|
protocol = buildEnv['PROTOCOL']
|
|
exec "import %s" % protocol
|
|
eval("%s.define_options(parser)" % protocol)
|
|
|
|
def create_system(options, system, piobus = None, dma_devices = []):
|
|
|
|
system.ruby = RubySystem(clock = options.clock,
|
|
stats_filename = options.ruby_stats,
|
|
no_mem_vec = options.use_map)
|
|
ruby = system.ruby
|
|
|
|
protocol = buildEnv['PROTOCOL']
|
|
exec "import %s" % protocol
|
|
try:
|
|
(cpu_sequencers, dir_cntrls, all_cntrls) = \
|
|
eval("%s.create_system(options, system, piobus, \
|
|
dma_devices, ruby)" \
|
|
% protocol)
|
|
except:
|
|
print "Error: could not create sytem for ruby protocol %s" % protocol
|
|
raise
|
|
|
|
#
|
|
# Set the network classes based on the command line options
|
|
#
|
|
if options.garnet_network == "fixed":
|
|
class NetworkClass(GarnetNetwork_d): pass
|
|
class IntLinkClass(GarnetIntLink_d): pass
|
|
class ExtLinkClass(GarnetExtLink_d): pass
|
|
class RouterClass(GarnetRouter_d): pass
|
|
elif options.garnet_network == "flexible":
|
|
class NetworkClass(GarnetNetwork): pass
|
|
class IntLinkClass(GarnetIntLink): pass
|
|
class ExtLinkClass(GarnetExtLink): pass
|
|
class RouterClass(GarnetRouter): pass
|
|
else:
|
|
class NetworkClass(SimpleNetwork): pass
|
|
class IntLinkClass(SimpleIntLink): pass
|
|
class ExtLinkClass(SimpleExtLink): pass
|
|
class RouterClass(BasicRouter): pass
|
|
|
|
#
|
|
# Important: the topology must be created before the network and after the
|
|
# controllers.
|
|
#
|
|
exec "import %s" % options.topology
|
|
try:
|
|
net_topology = eval("%s.makeTopology(all_cntrls, options, \
|
|
IntLinkClass, ExtLinkClass, \
|
|
RouterClass)" \
|
|
% options.topology)
|
|
except:
|
|
print "Error: could not create topology %s" % options.topology
|
|
raise
|
|
|
|
if options.network_fault_model:
|
|
assert(options.garnet_network == "fixed")
|
|
fault_model = FaultModel()
|
|
network = NetworkClass(ruby_system = ruby, topology = net_topology,\
|
|
enable_fault_model=True, fault_model = fault_model)
|
|
else:
|
|
network = NetworkClass(ruby_system = ruby, topology = net_topology)
|
|
|
|
#
|
|
# Loop through the directory controlers.
|
|
# Determine the total memory size of the ruby system and verify it is equal
|
|
# to physmem. However, if Ruby memory is using sparse memory in SE
|
|
# mode, then the system should not back-up the memory state with
|
|
# the Memory Vector and thus the memory size bytes should stay at 0.
|
|
# Also set the numa bits to the appropriate values.
|
|
#
|
|
total_mem_size = MemorySize('0B')
|
|
|
|
dir_bits = int(math.log(options.num_dirs, 2))
|
|
|
|
if options.numa_high_bit:
|
|
numa_bit = options.numa_high_bit
|
|
else:
|
|
# if not specified, use the lowest bits above the block offest
|
|
if dir_bits > 0:
|
|
# add 5 because bits 0-5 are the block offset
|
|
numa_bit = dir_bits + 5
|
|
else:
|
|
numa_bit = 6
|
|
|
|
for dir_cntrl in dir_cntrls:
|
|
total_mem_size.value += dir_cntrl.directory.size.value
|
|
dir_cntrl.directory.numa_high_bit = numa_bit
|
|
|
|
physmem_size = long(system.physmem.range.second) - \
|
|
long(system.physmem.range.first) + 1
|
|
assert(total_mem_size.value == physmem_size)
|
|
|
|
ruby_profiler = RubyProfiler(ruby_system = ruby,
|
|
num_of_sequencers = len(cpu_sequencers))
|
|
ruby.network = network
|
|
ruby.profiler = ruby_profiler
|
|
ruby.mem_size = total_mem_size
|
|
ruby._cpu_ruby_ports = cpu_sequencers
|
|
ruby.random_seed = options.random_seed
|