Ruby.py revision 7011:8b38d35e8ffc
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 34addToPath('../ruby/networks') 35from MeshDirCorners import * 36 37protocol = buildEnv['PROTOCOL'] 38 39exec "import %s" % protocol 40 41def create_system(options, physmem, piobus = None, dma_devices = []): 42 43 try: 44 (cpu_sequencers, dir_cntrls, all_cntrls) = \ 45 eval("%s.create_system(options, physmem, piobus, dma_devices)" \ 46 % protocol) 47 except: 48 print "Error: could not create sytem for ruby protocol %s" % protocol 49 sys.exit(1) 50 51 # 52 # Important: the topology constructor must be called before the network 53 # constructor. 54 # 55 if options.topology == "crossbar": 56 net_topology = makeCrossbar(all_cntrls) 57 elif options.topology == "mesh": 58 # 59 # The uniform mesh topology assumes one router per cpu 60 # 61 net_topology = makeMesh(all_cntrls, 62 len(cpu_sequencers), 63 options.mesh_rows) 64 65 elif options.topology == "mesh_dir_corner": 66 # 67 # The uniform mesh topology assumes one router per cpu 68 # 69 net_topology = makeMeshDirCorners(all_cntrls, 70 len(cpu_sequencers), 71 options.mesh_rows) 72 73 if options.garnet_network == "fixed": 74 network = GarnetNetwork_d(topology = net_topology) 75 elif options.garnet_network == "flexible": 76 network = GarnetNetwork(topology = net_topology) 77 else: 78 network = SimpleNetwork(topology = net_topology) 79 80 # 81 # determine the total memory size of the ruby system and verify it is equal 82 # to physmem 83 # 84 total_mem_size = MemorySize('0B') 85 for dir_cntrl in dir_cntrls: 86 total_mem_size.value += dir_cntrl.directory.size.value 87 physmem_size = long(physmem.range.second) - long(physmem.range.first) + 1 88 assert(total_mem_size.value == physmem_size) 89 90 ruby_profiler = RubyProfiler(num_of_sequencers = len(cpu_sequencers)) 91 92 ruby = RubySystem(clock = options.clock, 93 network = network, 94 profiler = ruby_profiler, 95 tracer = RubyTracer(), 96 debug = RubyDebug(filter_string = 'none', 97 verbosity_string = 'none', 98 protocol_trace = False), 99 mem_size = total_mem_size) 100 101 ruby.cpu_ruby_ports = cpu_sequencers 102 103 return ruby 104