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Diffstat (limited to 'configs/ruby/Garnet_standalone.py')
| -rw-r--r-- | configs/ruby/Garnet_standalone.py | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/configs/ruby/Garnet_standalone.py b/configs/ruby/Garnet_standalone.py new file mode 100644 index 000000000..2897e73a4 --- /dev/null +++ b/configs/ruby/Garnet_standalone.py @@ -0,0 +1,130 @@ +# Copyright (c) 2009 Advanced Micro Devices, Inc. +# Copyright (c) 2016 Georgia Institute of Technology +# 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 +# Tushar Krishna + +import m5 +from m5.objects import * +from m5.defines import buildEnv +from m5.util import addToPath +from Ruby import create_topology + +# +# Declare caches used by the protocol +# +class L1Cache(RubyCache): pass + +def define_options(parser): + return + +def create_system(options, full_system, system, dma_ports, ruby_system): + if buildEnv['PROTOCOL'] != 'Garnet_standalone': + panic("This script requires Garnet_standalone protocol to be built.") + + cpu_sequencers = [] + + # + # The Garnet_standalone protocol does not support fs nor dma + # + assert(dma_ports == []) + + # + # 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 = [] + dir_cntrl_nodes = [] + + # + # Must create the individual controllers before the network to ensure the + # controller constructors are called before the network constructor + # + + for i in xrange(options.num_cpus): + # + # First create the Ruby objects associated with this cpu + # Only one cache exists for this protocol, so by default use the L1D + # config parameters. + # + cache = L1Cache(size = options.l1d_size, + assoc = options.l1d_assoc) + + # + # Only one unified L1 cache exists. Can cache instructions and data. + # + l1_cntrl = L1Cache_Controller(version = i, + cacheMemory = cache, + ruby_system = ruby_system) + + cpu_seq = RubySequencer(icache = cache, + dcache = cache, + garnet_standalone = True, + ruby_system = ruby_system) + + l1_cntrl.sequencer = cpu_seq + 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 controllers and the network + l1_cntrl.mandatoryQueue = MessageBuffer() + l1_cntrl.requestFromCache = MessageBuffer() + l1_cntrl.responseFromCache = MessageBuffer() + l1_cntrl.forwardFromCache = MessageBuffer() + + + phys_mem_size = sum(map(lambda r: r.size(), system.mem_ranges)) + assert(phys_mem_size % options.num_dirs == 0) + mem_module_size = phys_mem_size / options.num_dirs + + for i in xrange(options.num_dirs): + dir_size = MemorySize('0B') + dir_size.value = mem_module_size + + dir_cntrl = Directory_Controller(version = i, + directory = \ + RubyDirectoryMemory(version = i, + size = dir_size), + ruby_system = ruby_system) + + exec("ruby_system.dir_cntrl%d = dir_cntrl" % i) + dir_cntrl_nodes.append(dir_cntrl) + + # Connect the directory controllers and the network + dir_cntrl.requestToDir = MessageBuffer() + dir_cntrl.forwardToDir = MessageBuffer() + dir_cntrl.responseToDir = MessageBuffer() + + + all_cntrls = l1_cntrl_nodes + dir_cntrl_nodes + ruby_system.network.number_of_virtual_networks = 3 + topology = create_topology(all_cntrls, options) + return (cpu_sequencers, dir_cntrl_nodes, topology) |