MOESI_hammer.py revision 6897:cfeb3d9563dd
1# Copyright (c) 2006-2007 The Regents of The University of Michigan 2# Copyright (c) 2009 Advanced Micro Devices, Inc. 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 30import m5 31from m5.objects import * 32from m5.defines import buildEnv 33from m5.util import addToPath 34 35 36# 37# Note: the L1 Cache latency is only used by the sequencer on fast path hits 38# 39class L1Cache(RubyCache): 40 assoc = 2 41 latency = 3 42 size = 32768 43 44# 45# Note: the L2 Cache latency is not currently used 46# 47class L2Cache(RubyCache): 48 assoc = 16 49 latency = 15 50 size = 1048576 51 52def create_system(options, phys_mem, piobus, dma_devices): 53 54 if buildEnv['PROTOCOL'] != 'MOESI_hammer': 55 panic("This script requires the MOESI_hammer protocol to be built.") 56 57 cpu_sequencers = [] 58 59 # 60 # The ruby network creation expects the list of nodes in the system to be 61 # consistent with the NetDest list. Therefore the l1 controller nodes must be 62 # listed before the directory nodes and directory nodes before dma nodes, etc. 63 # 64 l1_cntrl_nodes = [] 65 dir_cntrl_nodes = [] 66 dma_cntrl_nodes = [] 67 68 # 69 # Must create the individual controllers before the network to ensure the 70 # controller constructors are called before the network constructor 71 # 72 73 for i in xrange(options.num_cpus): 74 # 75 # First create the Ruby objects associated with this cpu 76 # 77 l1i_cache = L1Cache() 78 l1d_cache = L1Cache() 79 l2_cache = L2Cache() 80 81 cpu_seq = RubySequencer(icache = l1i_cache, 82 dcache = l1d_cache, 83 physMemPort = phys_mem.port, 84 physmem = phys_mem) 85 86 if piobus != None: 87 cpu_seq.pio_port = piobus.port 88 89 l1_cntrl = L1Cache_Controller(version = i, 90 sequencer = cpu_seq, 91 L1IcacheMemory = l1i_cache, 92 L1DcacheMemory = l1d_cache, 93 L2cacheMemory = l2_cache) 94 # 95 # Add controllers and sequencers to the appropriate lists 96 # 97 cpu_sequencers.append(cpu_seq) 98 l1_cntrl_nodes.append(l1_cntrl) 99 100 for i in xrange(options.num_dirs): 101 # 102 # Create the Ruby objects associated with the directory controller 103 # 104 105 mem_cntrl = RubyMemoryControl(version = i) 106 107 dir_cntrl = Directory_Controller(version = i, 108 directory = \ 109 RubyDirectoryMemory(version = i), 110 memBuffer = mem_cntrl) 111 112 dir_cntrl_nodes.append(dir_cntrl) 113 114 for i, dma_device in enumerate(dma_devices): 115 # 116 # Create the Ruby objects associated with the dma controller 117 # 118 dma_seq = DMASequencer(version = i, 119 physMemPort = phys_mem.port, 120 physmem = phys_mem) 121 122 dma_cntrl = DMA_Controller(version = i, 123 dma_sequencer = dma_seq) 124 125 dma_cntrl.dma_sequencer.port = dma_device.dma 126 dma_cntrl_nodes.append(dma_cntrl) 127 128 all_cntrls = l1_cntrl_nodes + dir_cntrl_nodes + dma_cntrl_nodes 129 130 return (cpu_sequencers, dir_cntrl_nodes, all_cntrls) 131