Ruby.py revision 6893:9cdf9b65d946 
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, piobus = None, dma_devices = []):
38
39    protocol = buildEnv['PROTOCOL']
40
41    if protocol == "MOESI_hammer":
42        (cpu_sequencers, dir_cntrls, all_cntrls) = \
43            MOESI_hammer.create_system(options, \
44                                       physmem, \
45                                       piobus, \
46                                       dma_devices)
47    else:
48         print "Error: unsupported ruby protocol"
49         sys.exit(1)
50
51    #
52    # Important: the topology constructor must be called before the network
53    # constructor.
54    #
55    network = SimpleNetwork(topology = makeCrossbar(all_cntrls))
56
57    mem_size_mb = sum([int(dir_cntrl.directory.size_mb) \
58                       for dir_cntrl in dir_cntrls])
59
60    #
61    # determine the number of memory controllers and other memory controller
62    # parameters for the profiler
63    #
64    mcCount = len(dir_cntrls)
65    banksPerRank = dir_cntrls[0].memBuffer.banks_per_rank
66    ranksPerDimm = dir_cntrls[0].memBuffer.ranks_per_dimm
67    dimmsPerChannel = dir_cntrls[0].memBuffer.dimms_per_channel
68
69    ruby_profiler = RubyProfiler(mem_cntrl_count = mcCount,
70                                 banks_per_rank = banksPerRank,
71                                 ranks_per_dimm = ranksPerDimm,
72                                 dimms_per_channel = dimmsPerChannel)
73
74    ruby = RubySystem(clock = options.clock,
75                      network = network,
76                      profiler = ruby_profiler,
77                      tracer = RubyTracer(),
78                      debug = RubyDebug(filter_string = 'none',
79                                        verbosity_string = 'none',
80                                        protocol_trace = False),
81                      mem_size_mb = mem_size_mb)
82
83    ruby.cpu_ruby_ports = cpu_sequencers
84
85    return ruby
86