Ruby.py revision 7535:7f8213cb2337
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 33 34def create_system(options, physmem, piobus = None, dma_devices = []): 35 36 protocol = buildEnv['PROTOCOL'] 37 exec "import %s" % protocol 38 try: 39 (cpu_sequencers, dir_cntrls, all_cntrls) = \ 40 eval("%s.create_system(options, physmem, piobus, dma_devices)" \ 41 % protocol) 42 except: 43 print "Error: could not create sytem for ruby protocol %s" % protocol 44 sys.exit(1) 45 46 # 47 # Important: the topology must be created before the network and after the 48 # controllers. 49 # 50 exec "import %s" % options.topology 51 try: 52 net_topology = eval("%s.makeTopology(all_cntrls, options)" % options.topology) 53 except: 54 print "Error: could not create topology %s" % options.topology 55 sys.exit(1) 56 57 if options.garnet_network == "fixed": 58 network = GarnetNetwork_d(topology = net_topology) 59 elif options.garnet_network == "flexible": 60 network = GarnetNetwork(topology = net_topology) 61 else: 62 network = SimpleNetwork(topology = net_topology) 63 64 # 65 # Determine the total memory size of the ruby system and verify it is equal 66 # to physmem. However, if Ruby memory is using sparse memory in SE 67 # mode, then the system should not back-up the memory state with 68 # the Memory Vector and thus the memory size bytes should stay at 0. 69 # 70 total_mem_size = MemorySize('0B') 71 for dir_cntrl in dir_cntrls: 72 total_mem_size.value += dir_cntrl.directory.size.value 73 physmem_size = long(physmem.range.second) - long(physmem.range.first) + 1 74 assert(total_mem_size.value == physmem_size) 75 76 ruby_profiler = RubyProfiler(num_of_sequencers = len(cpu_sequencers)) 77 78 ruby = RubySystem(clock = options.clock, 79 network = network, 80 profiler = ruby_profiler, 81 tracer = RubyTracer(), 82 debug = RubyDebug(filter_string = 'none', 83 verbosity_string = 'none', 84 protocol_trace = False), 85 mem_size = total_mem_size) 86 87 ruby.cpu_ruby_ports = cpu_sequencers 88 89 return ruby 90