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