918a01f42e
This patch is adding an extra parameter to the Ruby.create_system function. The idea is to remove any assumption about cpu configuration in the ruby scripts. At the moment the scripts are assuming a flat list of cpu assigned to the system object. Unfortunately this is not standardized, as some systems might empoloy a different layout of cpus, like grouping them in cluster objects. With this patch we are allowing client scripts to provide the cpu list as an extra argument This has the extra benefit of removing the indexing hack if len(system.cpu) == 1: which was present in most scripts Change-Id: Ibc06b920273cde4f7c394d61c0ca664a7143cd27 Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/43287 Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu> Maintainer: Jason Lowe-Power <power.jg@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
260 lines
12 KiB
Python
260 lines
12 KiB
Python
# Copyright (c) 2006-2007 The Regents of The University of Michigan
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# Copyright (c) 2009 Advanced Micro Devices, Inc.
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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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import math
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import m5
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from m5.objects import *
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from m5.defines import buildEnv
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from .Ruby import create_topology, create_directories
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from .Ruby import send_evicts
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#
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# Declare caches used by the protocol
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#
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class L1Cache(RubyCache): pass
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class L2Cache(RubyCache): pass
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def define_options(parser):
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parser.add_option("--l1-retries", type="int", default=1,
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help="Token_CMP: # of l1 retries before going persistent")
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parser.add_option("--timeout-latency", type="int", default=300,
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help="Token_CMP: cycles until issuing again");
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parser.add_option("--disable-dyn-timeouts", action="store_true",
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help="Token_CMP: disable dyanimc timeouts, use fixed latency instead")
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parser.add_option("--allow-atomic-migration", action="store_true",
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help="allow migratory sharing for atomic only accessed blocks")
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def create_system(options, full_system, system, dma_ports, bootmem,
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ruby_system, cpus):
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if buildEnv['PROTOCOL'] != 'MOESI_CMP_token':
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panic("This script requires the MOESI_CMP_token protocol to be built.")
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#
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# number of tokens that the owner passes to requests so that shared blocks can
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# respond to read requests
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#
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n_tokens = options.num_cpus + 1
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cpu_sequencers = []
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#
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# The ruby network creation expects the list of nodes in the system to be
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# consistent with the NetDest list. Therefore the l1 controller nodes must be
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# listed before the directory nodes and directory nodes before dma nodes, etc.
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#
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l1_cntrl_nodes = []
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l2_cntrl_nodes = []
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dma_cntrl_nodes = []
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#
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# Must create the individual controllers before the network to ensure the
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# controller constructors are called before the network constructor
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#
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l2_bits = int(math.log(options.num_l2caches, 2))
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block_size_bits = int(math.log(options.cacheline_size, 2))
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for i in range(options.num_cpus):
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#
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# First create the Ruby objects associated with this cpu
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#
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l1i_cache = L1Cache(size = options.l1i_size,
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assoc = options.l1i_assoc,
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start_index_bit = block_size_bits)
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l1d_cache = L1Cache(size = options.l1d_size,
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assoc = options.l1d_assoc,
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start_index_bit = block_size_bits)
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clk_domain = cpus[i].clk_domain
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l1_cntrl = L1Cache_Controller(version=i, L1Icache=l1i_cache,
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L1Dcache=l1d_cache,
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l2_select_num_bits=l2_bits,
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N_tokens=n_tokens,
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retry_threshold=options.l1_retries,
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fixed_timeout_latency=\
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options.timeout_latency,
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dynamic_timeout_enabled=\
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not options.disable_dyn_timeouts,
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no_mig_atomic=not \
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options.allow_atomic_migration,
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send_evictions=send_evicts(options),
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transitions_per_cycle=options.ports,
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clk_domain=clk_domain,
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ruby_system=ruby_system)
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cpu_seq = RubySequencer(version=i,
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dcache=l1d_cache, clk_domain=clk_domain,
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ruby_system=ruby_system)
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l1_cntrl.sequencer = cpu_seq
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exec("ruby_system.l1_cntrl%d = l1_cntrl" % i)
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# Add controllers and sequencers to the appropriate lists
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cpu_sequencers.append(cpu_seq)
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l1_cntrl_nodes.append(l1_cntrl)
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# Connect the L1 controllers and the network
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l1_cntrl.requestFromL1Cache = MessageBuffer()
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l1_cntrl.requestFromL1Cache.master = ruby_system.network.slave
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l1_cntrl.responseFromL1Cache = MessageBuffer()
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l1_cntrl.responseFromL1Cache.master = ruby_system.network.slave
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l1_cntrl.persistentFromL1Cache = MessageBuffer(ordered = True)
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l1_cntrl.persistentFromL1Cache.master = ruby_system.network.slave
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l1_cntrl.mandatoryQueue = MessageBuffer()
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l1_cntrl.requestToL1Cache = MessageBuffer()
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l1_cntrl.requestToL1Cache.slave = ruby_system.network.master
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l1_cntrl.responseToL1Cache = MessageBuffer()
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l1_cntrl.responseToL1Cache.slave = ruby_system.network.master
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l1_cntrl.persistentToL1Cache = MessageBuffer(ordered = True)
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l1_cntrl.persistentToL1Cache.slave = ruby_system.network.master
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l2_index_start = block_size_bits + l2_bits
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for i in range(options.num_l2caches):
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#
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# First create the Ruby objects associated with this cpu
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#
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l2_cache = L2Cache(size = options.l2_size,
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assoc = options.l2_assoc,
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start_index_bit = l2_index_start)
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l2_cntrl = L2Cache_Controller(version = i,
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L2cache = l2_cache,
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N_tokens = n_tokens,
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transitions_per_cycle = options.ports,
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ruby_system = ruby_system)
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exec("ruby_system.l2_cntrl%d = l2_cntrl" % i)
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l2_cntrl_nodes.append(l2_cntrl)
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# Connect the L2 controllers and the network
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l2_cntrl.GlobalRequestFromL2Cache = MessageBuffer()
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l2_cntrl.GlobalRequestFromL2Cache.master = ruby_system.network.slave
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l2_cntrl.L1RequestFromL2Cache = MessageBuffer()
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l2_cntrl.L1RequestFromL2Cache.master = ruby_system.network.slave
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l2_cntrl.responseFromL2Cache = MessageBuffer()
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l2_cntrl.responseFromL2Cache.master = ruby_system.network.slave
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l2_cntrl.GlobalRequestToL2Cache = MessageBuffer()
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l2_cntrl.GlobalRequestToL2Cache.slave = ruby_system.network.master
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l2_cntrl.L1RequestToL2Cache = MessageBuffer()
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l2_cntrl.L1RequestToL2Cache.slave = ruby_system.network.master
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l2_cntrl.responseToL2Cache = MessageBuffer()
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l2_cntrl.responseToL2Cache.slave = ruby_system.network.master
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l2_cntrl.persistentToL2Cache = MessageBuffer(ordered = True)
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l2_cntrl.persistentToL2Cache.slave = ruby_system.network.master
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# Run each of the ruby memory controllers at a ratio of the frequency of
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# the ruby system
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# clk_divider value is a fix to pass regression.
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ruby_system.memctrl_clk_domain = DerivedClockDomain(
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clk_domain=ruby_system.clk_domain,
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clk_divider=3)
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mem_dir_cntrl_nodes, rom_dir_cntrl_node = create_directories(
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options, bootmem, ruby_system, system)
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dir_cntrl_nodes = mem_dir_cntrl_nodes[:]
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if rom_dir_cntrl_node is not None:
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dir_cntrl_nodes.append(rom_dir_cntrl_node)
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for dir_cntrl in dir_cntrl_nodes:
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dir_cntrl.l2_select_num_bits = l2_bits
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# Connect the directory controllers and the network
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dir_cntrl.requestToDir = MessageBuffer()
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dir_cntrl.requestToDir.slave = ruby_system.network.master
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dir_cntrl.responseToDir = MessageBuffer()
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dir_cntrl.responseToDir.slave = ruby_system.network.master
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dir_cntrl.persistentToDir = MessageBuffer(ordered = True)
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dir_cntrl.persistentToDir.slave = ruby_system.network.master
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dir_cntrl.dmaRequestToDir = MessageBuffer(ordered = True)
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dir_cntrl.dmaRequestToDir.slave = ruby_system.network.master
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dir_cntrl.requestFromDir = MessageBuffer()
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dir_cntrl.requestFromDir.master = ruby_system.network.slave
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dir_cntrl.responseFromDir = MessageBuffer()
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dir_cntrl.responseFromDir.master = ruby_system.network.slave
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dir_cntrl.persistentFromDir = MessageBuffer(ordered = True)
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dir_cntrl.persistentFromDir.master = ruby_system.network.slave
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dir_cntrl.dmaResponseFromDir = MessageBuffer(ordered = True)
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dir_cntrl.dmaResponseFromDir.master = ruby_system.network.slave
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dir_cntrl.requestToMemory = MessageBuffer()
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dir_cntrl.responseFromMemory = MessageBuffer()
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for i, dma_port in enumerate(dma_ports):
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#
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# Create the Ruby objects associated with the dma controller
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#
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dma_seq = DMASequencer(version = i,
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ruby_system = ruby_system,
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slave = dma_port)
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dma_cntrl = DMA_Controller(version = i,
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dma_sequencer = dma_seq,
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transitions_per_cycle = options.ports,
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ruby_system = ruby_system)
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exec("ruby_system.dma_cntrl%d = dma_cntrl" % i)
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dma_cntrl_nodes.append(dma_cntrl)
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# Connect the dma controller to the network
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dma_cntrl.mandatoryQueue = MessageBuffer()
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dma_cntrl.responseFromDir = MessageBuffer(ordered = True)
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dma_cntrl.responseFromDir.slave = ruby_system.network.master
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dma_cntrl.reqToDirectory = MessageBuffer()
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dma_cntrl.reqToDirectory.master = ruby_system.network.slave
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all_cntrls = l1_cntrl_nodes + \
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l2_cntrl_nodes + \
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dir_cntrl_nodes + \
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dma_cntrl_nodes
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# Create the io controller and the sequencer
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if full_system:
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io_seq = DMASequencer(version=len(dma_ports), ruby_system=ruby_system)
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ruby_system._io_port = io_seq
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io_controller = DMA_Controller(version = len(dma_ports),
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dma_sequencer = io_seq,
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ruby_system = ruby_system)
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ruby_system.io_controller = io_controller
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# Connect the dma controller to the network
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io_controller.mandatoryQueue = MessageBuffer()
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io_controller.responseFromDir = MessageBuffer(ordered = True)
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io_controller.responseFromDir.slave = ruby_system.network.master
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io_controller.reqToDirectory = MessageBuffer()
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io_controller.reqToDirectory.master = ruby_system.network.slave
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all_cntrls = all_cntrls + [io_controller]
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ruby_system.network.number_of_virtual_networks = 6
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topology = create_topology(all_cntrls, options)
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return (cpu_sequencers, mem_dir_cntrl_nodes, topology)
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