| # 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 |
| from Ruby import create_topology, create_directories |
| from Ruby import send_evicts |
| |
| # |
| # Declare caches used by the protocol |
| # |
| class L1Cache(RubyCache): pass |
| class L2Cache(RubyCache): pass |
| # |
| # Probe filter is a cache |
| # |
| class ProbeFilter(RubyCache): pass |
| |
| def define_options(parser): |
| parser.add_option("--allow-atomic-migration", action="store_true", |
| help="allow migratory sharing for atomic only accessed blocks") |
| parser.add_option("--pf-on", action="store_true", |
| help="Hammer: enable Probe Filter") |
| parser.add_option("--dir-on", action="store_true", |
| help="Hammer: enable Full-bit Directory") |
| |
| def create_system(options, full_system, system, dma_ports, bootmem, |
| ruby_system): |
| |
| if buildEnv['PROTOCOL'] != 'MOESI_hammer': |
| panic("This script requires the MOESI_hammer protocol to be built.") |
| |
| cpu_sequencers = [] |
| |
| # |
| # The ruby network creation expects the list of nodes in the system to be |
| # consistent with the NetDest list. Therefore the l1 controller nodes must be |
| # listed before the directory nodes and directory nodes before dma nodes, etc. |
| # |
| l1_cntrl_nodes = [] |
| dma_cntrl_nodes = [] |
| |
| # |
| # Must create the individual controllers before the network to ensure the |
| # controller constructors are called before the network constructor |
| # |
| block_size_bits = int(math.log(options.cacheline_size, 2)) |
| |
| for i in xrange(options.num_cpus): |
| # |
| # First create the Ruby objects associated with this cpu |
| # |
| l1i_cache = L1Cache(size = options.l1i_size, |
| assoc = options.l1i_assoc, |
| start_index_bit = block_size_bits, |
| is_icache = True) |
| l1d_cache = L1Cache(size = options.l1d_size, |
| assoc = options.l1d_assoc, |
| start_index_bit = block_size_bits) |
| l2_cache = L2Cache(size = options.l2_size, |
| assoc = options.l2_assoc, |
| start_index_bit = block_size_bits) |
| |
| # the ruby random tester reuses num_cpus to specify the |
| # number of cpu ports connected to the tester object, which |
| # is stored in system.cpu. because there is only ever one |
| # tester object, num_cpus is not necessarily equal to the |
| # size of system.cpu; therefore if len(system.cpu) == 1 |
| # we use system.cpu[0] to set the clk_domain, thereby ensuring |
| # we don't index off the end of the cpu list. |
| if len(system.cpu) == 1: |
| clk_domain = system.cpu[0].clk_domain |
| else: |
| clk_domain = system.cpu[i].clk_domain |
| |
| l1_cntrl = L1Cache_Controller(version=i, L1Icache=l1i_cache, |
| L1Dcache=l1d_cache, L2cache=l2_cache, |
| no_mig_atomic=not \ |
| options.allow_atomic_migration, |
| send_evictions=send_evicts(options), |
| transitions_per_cycle=options.ports, |
| clk_domain=clk_domain, |
| ruby_system=ruby_system) |
| |
| cpu_seq = RubySequencer(version=i, icache=l1i_cache, |
| dcache=l1d_cache,clk_domain=clk_domain, |
| ruby_system=ruby_system) |
| |
| l1_cntrl.sequencer = cpu_seq |
| if options.recycle_latency: |
| l1_cntrl.recycle_latency = options.recycle_latency |
| |
| exec("ruby_system.l1_cntrl%d = l1_cntrl" % i) |
| |
| # Add controllers and sequencers to the appropriate lists |
| cpu_sequencers.append(cpu_seq) |
| l1_cntrl_nodes.append(l1_cntrl) |
| |
| # Connect the L1 controller and the network |
| # Connect the buffers from the controller to network |
| l1_cntrl.requestFromCache = MessageBuffer() |
| l1_cntrl.requestFromCache.master = ruby_system.network.slave |
| l1_cntrl.responseFromCache = MessageBuffer() |
| l1_cntrl.responseFromCache.master = ruby_system.network.slave |
| l1_cntrl.unblockFromCache = MessageBuffer() |
| l1_cntrl.unblockFromCache.master = ruby_system.network.slave |
| |
| l1_cntrl.triggerQueue = MessageBuffer() |
| |
| # Connect the buffers from the network to the controller |
| l1_cntrl.mandatoryQueue = MessageBuffer() |
| l1_cntrl.forwardToCache = MessageBuffer() |
| l1_cntrl.forwardToCache.slave = ruby_system.network.master |
| l1_cntrl.responseToCache = MessageBuffer() |
| l1_cntrl.responseToCache.slave = ruby_system.network.master |
| |
| |
| # |
| # determine size and index bits for probe filter |
| # By default, the probe filter size is configured to be twice the |
| # size of the L2 cache. |
| # |
| pf_size = MemorySize(options.l2_size) |
| pf_size.value = pf_size.value * 2 |
| dir_bits = int(math.log(options.num_dirs, 2)) |
| pf_bits = int(math.log(pf_size.value, 2)) |
| if options.numa_high_bit: |
| if options.pf_on or options.dir_on: |
| # if numa high bit explicitly set, make sure it does not overlap |
| # with the probe filter index |
| assert(options.numa_high_bit - dir_bits > pf_bits) |
| |
| # set the probe filter start bit to just above the block offset |
| pf_start_bit = block_size_bits |
| else: |
| if dir_bits > 0: |
| pf_start_bit = dir_bits + block_size_bits - 1 |
| else: |
| pf_start_bit = block_size_bits |
| |
| # Run each of the ruby memory controllers at a ratio of the frequency of |
| # the ruby system |
| # clk_divider value is a fix to pass regression. |
| ruby_system.memctrl_clk_domain = DerivedClockDomain( |
| clk_domain=ruby_system.clk_domain, |
| clk_divider=3) |
| |
| mem_dir_cntrl_nodes, rom_dir_cntrl_node = create_directories( |
| options, system.mem_ranges, bootmem, ruby_system, system) |
| dir_cntrl_nodes = mem_dir_cntrl_nodes[:] |
| if rom_dir_cntrl_node is not None: |
| dir_cntrl_nodes.append(rom_dir_cntrl_node) |
| for dir_cntrl in dir_cntrl_nodes: |
| pf = ProbeFilter(size = pf_size, assoc = 4, |
| start_index_bit = pf_start_bit) |
| |
| dir_cntrl.probeFilter = pf |
| dir_cntrl.probe_filter_enabled = options.pf_on |
| dir_cntrl.full_bit_dir_enabled = options.dir_on |
| |
| if options.recycle_latency: |
| dir_cntrl.recycle_latency = options.recycle_latency |
| |
| # Connect the directory controller to the network |
| dir_cntrl.forwardFromDir = MessageBuffer() |
| dir_cntrl.forwardFromDir.master = ruby_system.network.slave |
| dir_cntrl.responseFromDir = MessageBuffer() |
| dir_cntrl.responseFromDir.master = ruby_system.network.slave |
| dir_cntrl.dmaResponseFromDir = MessageBuffer(ordered = True) |
| dir_cntrl.dmaResponseFromDir.master = ruby_system.network.slave |
| |
| dir_cntrl.triggerQueue = MessageBuffer(ordered = True) |
| |
| dir_cntrl.unblockToDir = MessageBuffer() |
| dir_cntrl.unblockToDir.slave = ruby_system.network.master |
| dir_cntrl.responseToDir = MessageBuffer() |
| dir_cntrl.responseToDir.slave = ruby_system.network.master |
| dir_cntrl.requestToDir = MessageBuffer() |
| dir_cntrl.requestToDir.slave = ruby_system.network.master |
| dir_cntrl.dmaRequestToDir = MessageBuffer(ordered = True) |
| dir_cntrl.dmaRequestToDir.slave = ruby_system.network.master |
| dir_cntrl.responseFromMemory = MessageBuffer() |
| |
| |
| for i, dma_port in enumerate(dma_ports): |
| # |
| # Create the Ruby objects associated with the dma controller |
| # |
| dma_seq = DMASequencer(version = i, |
| ruby_system = ruby_system, |
| slave = dma_port) |
| |
| dma_cntrl = DMA_Controller(version = i, |
| dma_sequencer = dma_seq, |
| transitions_per_cycle = options.ports, |
| ruby_system = ruby_system) |
| |
| exec("ruby_system.dma_cntrl%d = dma_cntrl" % i) |
| dma_cntrl_nodes.append(dma_cntrl) |
| |
| if options.recycle_latency: |
| dma_cntrl.recycle_latency = options.recycle_latency |
| |
| # Connect the dma controller to the network |
| dma_cntrl.responseFromDir = MessageBuffer(ordered = True) |
| dma_cntrl.responseFromDir.slave = ruby_system.network.master |
| dma_cntrl.requestToDir = MessageBuffer() |
| dma_cntrl.requestToDir.master = ruby_system.network.slave |
| dma_cntrl.mandatoryQueue = MessageBuffer() |
| |
| all_cntrls = l1_cntrl_nodes + dir_cntrl_nodes + dma_cntrl_nodes |
| |
| # Create the io controller and the sequencer |
| if full_system: |
| io_seq = DMASequencer(version=len(dma_ports), ruby_system=ruby_system) |
| ruby_system._io_port = io_seq |
| io_controller = DMA_Controller(version = len(dma_ports), |
| dma_sequencer = io_seq, |
| ruby_system = ruby_system) |
| ruby_system.io_controller = io_controller |
| |
| # Connect the dma controller to the network |
| io_controller.responseFromDir = MessageBuffer(ordered = True) |
| io_controller.responseFromDir.slave = ruby_system.network.master |
| io_controller.requestToDir = MessageBuffer() |
| io_controller.requestToDir.master = ruby_system.network.slave |
| io_controller.mandatoryQueue = MessageBuffer() |
| |
| all_cntrls = all_cntrls + [io_controller] |
| |
| ruby_system.network.number_of_virtual_networks = 6 |
| topology = create_topology(all_cntrls, options) |
| return (cpu_sequencers, mem_dir_cntrl_nodes, topology) |
