Garnet_standalone.py revision 11660:cfa97c37117a
1# Copyright (c) 2009 Advanced Micro Devices, Inc. 2# Copyright (c) 2016 Georgia Institute of Technology 3# All rights reserved. 4# 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions are 7# met: redistributions of source code must retain the above copyright 8# notice, this list of conditions and the following disclaimer; 9# redistributions in binary form must reproduce the above copyright 10# notice, this list of conditions and the following disclaimer in the 11# documentation and/or other materials provided with the distribution; 12# neither the name of the copyright holders nor the names of its 13# contributors may be used to endorse or promote products derived from 14# this software without specific prior written permission. 15# 16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27# 28# Authors: Brad Beckmann 29# Tushar Krishna 30 31import m5 32from m5.objects import * 33from m5.defines import buildEnv 34from m5.util import addToPath 35from Ruby import create_topology 36 37# 38# Declare caches used by the protocol 39# 40class L1Cache(RubyCache): pass 41 42def define_options(parser): 43 return 44 45def create_system(options, full_system, system, dma_ports, ruby_system): 46 if buildEnv['PROTOCOL'] != 'Garnet_standalone': 47 panic("This script requires Garnet_standalone protocol to be built.") 48 49 cpu_sequencers = [] 50 51 # 52 # The Garnet_standalone protocol does not support fs nor dma 53 # 54 assert(dma_ports == []) 55 56 # 57 # The ruby network creation expects the list of nodes in the system to be 58 # consistent with the NetDest list. 59 # Therefore the l1 controller nodes must be listed before 60 # the directory nodes and directory nodes before dma nodes, etc. 61 l1_cntrl_nodes = [] 62 dir_cntrl_nodes = [] 63 64 # 65 # Must create the individual controllers before the network to ensure the 66 # controller constructors are called before the network constructor 67 # 68 69 for i in xrange(options.num_cpus): 70 # 71 # First create the Ruby objects associated with this cpu 72 # Only one cache exists for this protocol, so by default use the L1D 73 # config parameters. 74 # 75 cache = L1Cache(size = options.l1d_size, 76 assoc = options.l1d_assoc) 77 78 # 79 # Only one unified L1 cache exists. Can cache instructions and data. 80 # 81 l1_cntrl = L1Cache_Controller(version = i, 82 cacheMemory = cache, 83 ruby_system = ruby_system) 84 85 cpu_seq = RubySequencer(icache = cache, 86 dcache = cache, 87 garnet_standalone = True, 88 ruby_system = ruby_system) 89 90 l1_cntrl.sequencer = cpu_seq 91 exec("ruby_system.l1_cntrl%d = l1_cntrl" % i) 92 93 # Add controllers and sequencers to the appropriate lists 94 cpu_sequencers.append(cpu_seq) 95 l1_cntrl_nodes.append(l1_cntrl) 96 97 # Connect the L1 controllers and the network 98 l1_cntrl.mandatoryQueue = MessageBuffer() 99 l1_cntrl.requestFromCache = MessageBuffer() 100 l1_cntrl.responseFromCache = MessageBuffer() 101 l1_cntrl.forwardFromCache = MessageBuffer() 102 103 104 phys_mem_size = sum(map(lambda r: r.size(), system.mem_ranges)) 105 assert(phys_mem_size % options.num_dirs == 0) 106 mem_module_size = phys_mem_size / options.num_dirs 107 108 for i in xrange(options.num_dirs): 109 dir_size = MemorySize('0B') 110 dir_size.value = mem_module_size 111 112 dir_cntrl = Directory_Controller(version = i, 113 directory = \ 114 RubyDirectoryMemory(version = i, 115 size = dir_size), 116 ruby_system = ruby_system) 117 118 exec("ruby_system.dir_cntrl%d = dir_cntrl" % i) 119 dir_cntrl_nodes.append(dir_cntrl) 120 121 # Connect the directory controllers and the network 122 dir_cntrl.requestToDir = MessageBuffer() 123 dir_cntrl.forwardToDir = MessageBuffer() 124 dir_cntrl.responseToDir = MessageBuffer() 125 126 127 all_cntrls = l1_cntrl_nodes + dir_cntrl_nodes 128 ruby_system.network.number_of_virtual_networks = 3 129 topology = create_topology(all_cntrls, options) 130 return (cpu_sequencers, dir_cntrl_nodes, topology) 131