Ruby.py revision 6892 
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
35import MOESI_hammer
36
37def create_system(options, physmem):
38
39    protocol = buildEnv['PROTOCOL']
40
41    if protocol == "MOESI_hammer":
42        (sequencers, dir_cntrls, all_cntrls) = MOESI_hammer.create_system( \
43                                                options, physmem)
44    else:
45         print "Error: unsupported ruby protocol"
46         sys.exit(1)
47
48    #
49    # Important: the topology constructor must be called before the network
50    # constructor.
51    #
52    network = SimpleNetwork(topology = makeCrossbar(all_cntrls))
53
54    mem_size_mb = sum([int(dir_cntrl.directory.size_mb) \
55                       for dir_cntrl in dir_cntrls])
56
57    #
58    # determine the number of memory controllers and other memory controller
59    # parameters for the profiler
60    #
61    mcCount = len(dir_cntrls)
62    banksPerRank = dir_cntrls[0].memBuffer.banks_per_rank
63    ranksPerDimm = dir_cntrls[0].memBuffer.ranks_per_dimm
64    dimmsPerChannel = dir_cntrls[0].memBuffer.dimms_per_channel
65
66    ruby_profiler = RubyProfiler(mem_cntrl_count = mcCount,
67                                 banks_per_rank = banksPerRank,
68                                 ranks_per_dimm = ranksPerDimm,
69                                 dimms_per_channel = dimmsPerChannel)
70
71    ruby = RubySystem(clock = '1GHz',
72                      network = network,
73                      profiler = ruby_profiler,
74                      tracer = RubyTracer(),
75                      debug = RubyDebug(filter_string = 'none',
76                                        verbosity_string = 'none',
77                                        protocol_trace = False),
78                      mem_size_mb = mem_size_mb)
79
80    ruby.cpu_ruby_ports = sequencers
81
82    return ruby
83