MOESI_CMP_token.py revision 8180
16908SBrad.Beckmann@amd.com# Copyright (c) 2006-2007 The Regents of The University of Michigan 26908SBrad.Beckmann@amd.com# Copyright (c) 2009 Advanced Micro Devices, Inc. 36908SBrad.Beckmann@amd.com# All rights reserved. 46908SBrad.Beckmann@amd.com# 56908SBrad.Beckmann@amd.com# Redistribution and use in source and binary forms, with or without 66908SBrad.Beckmann@amd.com# modification, are permitted provided that the following conditions are 76908SBrad.Beckmann@amd.com# met: redistributions of source code must retain the above copyright 86908SBrad.Beckmann@amd.com# notice, this list of conditions and the following disclaimer; 96908SBrad.Beckmann@amd.com# redistributions in binary form must reproduce the above copyright 106908SBrad.Beckmann@amd.com# notice, this list of conditions and the following disclaimer in the 116908SBrad.Beckmann@amd.com# documentation and/or other materials provided with the distribution; 126908SBrad.Beckmann@amd.com# neither the name of the copyright holders nor the names of its 136908SBrad.Beckmann@amd.com# contributors may be used to endorse or promote products derived from 146908SBrad.Beckmann@amd.com# this software without specific prior written permission. 156908SBrad.Beckmann@amd.com# 166908SBrad.Beckmann@amd.com# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176908SBrad.Beckmann@amd.com# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186908SBrad.Beckmann@amd.com# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196908SBrad.Beckmann@amd.com# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206908SBrad.Beckmann@amd.com# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216908SBrad.Beckmann@amd.com# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226908SBrad.Beckmann@amd.com# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236908SBrad.Beckmann@amd.com# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246908SBrad.Beckmann@amd.com# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256908SBrad.Beckmann@amd.com# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266908SBrad.Beckmann@amd.com# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276908SBrad.Beckmann@amd.com# 286908SBrad.Beckmann@amd.com# Authors: Brad Beckmann 296908SBrad.Beckmann@amd.com 306908SBrad.Beckmann@amd.comimport math 316908SBrad.Beckmann@amd.comimport m5 326908SBrad.Beckmann@amd.comfrom m5.objects import * 336908SBrad.Beckmann@amd.comfrom m5.defines import buildEnv 346908SBrad.Beckmann@amd.com 356908SBrad.Beckmann@amd.com# 366908SBrad.Beckmann@amd.com# Note: the L1 Cache latency is only used by the sequencer on fast path hits 376908SBrad.Beckmann@amd.com# 386908SBrad.Beckmann@amd.comclass L1Cache(RubyCache): 397551SBrad.Beckmann@amd.com latency = 2 406908SBrad.Beckmann@amd.com 416908SBrad.Beckmann@amd.com# 426908SBrad.Beckmann@amd.com# Note: the L2 Cache latency is not currently used 436908SBrad.Beckmann@amd.com# 446908SBrad.Beckmann@amd.comclass L2Cache(RubyCache): 457551SBrad.Beckmann@amd.com latency = 10 466908SBrad.Beckmann@amd.com 477538SBrad.Beckmann@amd.comdef define_options(parser): 487539SBrad.Beckmann@amd.com parser.add_option("--l1-retries", type="int", default=1, 497539SBrad.Beckmann@amd.com help="Token_CMP: # of l1 retries before going persistent") 507539SBrad.Beckmann@amd.com parser.add_option("--timeout-latency", type="int", default=300, 517539SBrad.Beckmann@amd.com help="Token_CMP: cycles until issuing again"); 527539SBrad.Beckmann@amd.com parser.add_option("--disable-dyn-timeouts", action="store_true", 537539SBrad.Beckmann@amd.com help="Token_CMP: disable dyanimc timeouts, use fixed latency instead") 547561SBrad.Beckmann@amd.com parser.add_option("--allow-atomic-migration", action="store_true", 557561SBrad.Beckmann@amd.com help="allow migratory sharing for atomic only accessed blocks") 567561SBrad.Beckmann@amd.com 577541SBrad.Beckmann@amd.comdef create_system(options, system, piobus, dma_devices): 586908SBrad.Beckmann@amd.com 596908SBrad.Beckmann@amd.com if buildEnv['PROTOCOL'] != 'MOESI_CMP_token': 606908SBrad.Beckmann@amd.com panic("This script requires the MOESI_CMP_token protocol to be built.") 616908SBrad.Beckmann@amd.com 626908SBrad.Beckmann@amd.com # 636908SBrad.Beckmann@amd.com # number of tokens that the owner passes to requests so that shared blocks can 646908SBrad.Beckmann@amd.com # respond to read requests 656908SBrad.Beckmann@amd.com # 666908SBrad.Beckmann@amd.com n_tokens = options.num_cpus + 1 676908SBrad.Beckmann@amd.com 686908SBrad.Beckmann@amd.com cpu_sequencers = [] 696908SBrad.Beckmann@amd.com 706908SBrad.Beckmann@amd.com # 716908SBrad.Beckmann@amd.com # The ruby network creation expects the list of nodes in the system to be 726908SBrad.Beckmann@amd.com # consistent with the NetDest list. Therefore the l1 controller nodes must be 736908SBrad.Beckmann@amd.com # listed before the directory nodes and directory nodes before dma nodes, etc. 746908SBrad.Beckmann@amd.com # 756908SBrad.Beckmann@amd.com l1_cntrl_nodes = [] 766908SBrad.Beckmann@amd.com l2_cntrl_nodes = [] 776908SBrad.Beckmann@amd.com dir_cntrl_nodes = [] 786908SBrad.Beckmann@amd.com dma_cntrl_nodes = [] 796908SBrad.Beckmann@amd.com 806908SBrad.Beckmann@amd.com # 816908SBrad.Beckmann@amd.com # Must create the individual controllers before the network to ensure the 826908SBrad.Beckmann@amd.com # controller constructors are called before the network constructor 836908SBrad.Beckmann@amd.com # 847564SBrad.Beckmann@amd.com l2_bits = int(math.log(options.num_l2caches, 2)) 858180SBrad.Beckmann@amd.com block_size_bits = int(math.log(options.cacheline_size, 2)) 866908SBrad.Beckmann@amd.com 876908SBrad.Beckmann@amd.com for i in xrange(options.num_cpus): 886908SBrad.Beckmann@amd.com # 896908SBrad.Beckmann@amd.com # First create the Ruby objects associated with this cpu 906908SBrad.Beckmann@amd.com # 916908SBrad.Beckmann@amd.com l1i_cache = L1Cache(size = options.l1i_size, 928180SBrad.Beckmann@amd.com assoc = options.l1i_assoc, 938180SBrad.Beckmann@amd.com start_index_bit = block_size_bits) 946908SBrad.Beckmann@amd.com l1d_cache = L1Cache(size = options.l1d_size, 958180SBrad.Beckmann@amd.com assoc = options.l1d_assoc, 968180SBrad.Beckmann@amd.com start_index_bit = block_size_bits) 976908SBrad.Beckmann@amd.com 987015SBrad.Beckmann@amd.com cpu_seq = RubySequencer(version = i, 997015SBrad.Beckmann@amd.com icache = l1i_cache, 1006908SBrad.Beckmann@amd.com dcache = l1d_cache, 1017541SBrad.Beckmann@amd.com physMemPort = system.physmem.port, 1027541SBrad.Beckmann@amd.com physmem = system.physmem) 1036908SBrad.Beckmann@amd.com 1046908SBrad.Beckmann@amd.com if piobus != None: 1056908SBrad.Beckmann@amd.com cpu_seq.pio_port = piobus.port 1066908SBrad.Beckmann@amd.com 1076908SBrad.Beckmann@amd.com l1_cntrl = L1Cache_Controller(version = i, 1086908SBrad.Beckmann@amd.com sequencer = cpu_seq, 1096908SBrad.Beckmann@amd.com L1IcacheMemory = l1i_cache, 1106908SBrad.Beckmann@amd.com L1DcacheMemory = l1d_cache, 1117564SBrad.Beckmann@amd.com l2_select_num_bits = l2_bits, 1127539SBrad.Beckmann@amd.com N_tokens = n_tokens, 1137541SBrad.Beckmann@amd.com retry_threshold = \ 1147541SBrad.Beckmann@amd.com options.l1_retries, 1157539SBrad.Beckmann@amd.com fixed_timeout_latency = \ 1167539SBrad.Beckmann@amd.com options.timeout_latency, 1177539SBrad.Beckmann@amd.com dynamic_timeout_enabled = \ 1187561SBrad.Beckmann@amd.com not options.disable_dyn_timeouts, 1197561SBrad.Beckmann@amd.com no_mig_atomic = not \ 1207561SBrad.Beckmann@amd.com options.allow_atomic_migration) 1217539SBrad.Beckmann@amd.com 1227541SBrad.Beckmann@amd.com exec("system.l1_cntrl%d = l1_cntrl" % i) 1236908SBrad.Beckmann@amd.com # 1246908SBrad.Beckmann@amd.com # Add controllers and sequencers to the appropriate lists 1256908SBrad.Beckmann@amd.com # 1266908SBrad.Beckmann@amd.com cpu_sequencers.append(cpu_seq) 1276908SBrad.Beckmann@amd.com l1_cntrl_nodes.append(l1_cntrl) 1286908SBrad.Beckmann@amd.com 1298180SBrad.Beckmann@amd.com l2_index_start = block_size_bits + l2_bits 1308180SBrad.Beckmann@amd.com 1316908SBrad.Beckmann@amd.com for i in xrange(options.num_l2caches): 1326908SBrad.Beckmann@amd.com # 1336908SBrad.Beckmann@amd.com # First create the Ruby objects associated with this cpu 1346908SBrad.Beckmann@amd.com # 1356908SBrad.Beckmann@amd.com l2_cache = L2Cache(size = options.l2_size, 1367564SBrad.Beckmann@amd.com assoc = options.l2_assoc, 1378180SBrad.Beckmann@amd.com start_index_bit = l2_index_start) 1386908SBrad.Beckmann@amd.com 1396908SBrad.Beckmann@amd.com l2_cntrl = L2Cache_Controller(version = i, 1406908SBrad.Beckmann@amd.com L2cacheMemory = l2_cache, 1416908SBrad.Beckmann@amd.com N_tokens = n_tokens) 1426908SBrad.Beckmann@amd.com 1437541SBrad.Beckmann@amd.com exec("system.l2_cntrl%d = l2_cntrl" % i) 1446908SBrad.Beckmann@amd.com l2_cntrl_nodes.append(l2_cntrl) 1456908SBrad.Beckmann@amd.com 1467541SBrad.Beckmann@amd.com phys_mem_size = long(system.physmem.range.second) - \ 1477541SBrad.Beckmann@amd.com long(system.physmem.range.first) + 1 1486908SBrad.Beckmann@amd.com mem_module_size = phys_mem_size / options.num_dirs 1496908SBrad.Beckmann@amd.com 1506908SBrad.Beckmann@amd.com for i in xrange(options.num_dirs): 1516908SBrad.Beckmann@amd.com # 1526908SBrad.Beckmann@amd.com # Create the Ruby objects associated with the directory controller 1536908SBrad.Beckmann@amd.com # 1546908SBrad.Beckmann@amd.com 1556908SBrad.Beckmann@amd.com mem_cntrl = RubyMemoryControl(version = i) 1566908SBrad.Beckmann@amd.com 1576908SBrad.Beckmann@amd.com dir_size = MemorySize('0B') 1586908SBrad.Beckmann@amd.com dir_size.value = mem_module_size 1596908SBrad.Beckmann@amd.com 1606908SBrad.Beckmann@amd.com dir_cntrl = Directory_Controller(version = i, 1616908SBrad.Beckmann@amd.com directory = \ 1626908SBrad.Beckmann@amd.com RubyDirectoryMemory(version = i, 1637541SBrad.Beckmann@amd.com size = \ 1647541SBrad.Beckmann@amd.com dir_size), 1656908SBrad.Beckmann@amd.com memBuffer = mem_cntrl, 1668180SBrad.Beckmann@amd.com l2_select_num_bits = l2_bits) 1676908SBrad.Beckmann@amd.com 1687541SBrad.Beckmann@amd.com exec("system.dir_cntrl%d = dir_cntrl" % i) 1696908SBrad.Beckmann@amd.com dir_cntrl_nodes.append(dir_cntrl) 1706908SBrad.Beckmann@amd.com 1716908SBrad.Beckmann@amd.com for i, dma_device in enumerate(dma_devices): 1726908SBrad.Beckmann@amd.com # 1736908SBrad.Beckmann@amd.com # Create the Ruby objects associated with the dma controller 1746908SBrad.Beckmann@amd.com # 1756908SBrad.Beckmann@amd.com dma_seq = DMASequencer(version = i, 1767541SBrad.Beckmann@amd.com physMemPort = system.physmem.port, 1777541SBrad.Beckmann@amd.com physmem = system.physmem) 1786908SBrad.Beckmann@amd.com 1796908SBrad.Beckmann@amd.com dma_cntrl = DMA_Controller(version = i, 1806908SBrad.Beckmann@amd.com dma_sequencer = dma_seq) 1816908SBrad.Beckmann@amd.com 1827541SBrad.Beckmann@amd.com exec("system.dma_cntrl%d = dma_cntrl" % i) 1837544SBrad.Beckmann@amd.com if dma_device.type == 'MemTest': 1847633SBrad.Beckmann@amd.com exec("system.dma_cntrl%d.dma_sequencer.port = dma_device.test" % i) 1857544SBrad.Beckmann@amd.com else: 1867633SBrad.Beckmann@amd.com exec("system.dma_cntrl%d.dma_sequencer.port = dma_device.dma" % i) 1876908SBrad.Beckmann@amd.com dma_cntrl_nodes.append(dma_cntrl) 1886908SBrad.Beckmann@amd.com 1896908SBrad.Beckmann@amd.com all_cntrls = l1_cntrl_nodes + \ 1906908SBrad.Beckmann@amd.com l2_cntrl_nodes + \ 1916908SBrad.Beckmann@amd.com dir_cntrl_nodes + \ 1926908SBrad.Beckmann@amd.com dma_cntrl_nodes 1936908SBrad.Beckmann@amd.com 1946908SBrad.Beckmann@amd.com return (cpu_sequencers, dir_cntrl_nodes, all_cntrls) 195