configs/ruby/Ruby.py

   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
  30 import m5
  31 from m5.objects import *
  32 from m5.defines import buildEnv
  33 from m5.util import addToPath
  34
  35 import MOESI_hammer
  36
  37 def 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     #
  58     # determine the total memory size of the ruby system and verify it is equal
  59     # to physmem
  60     #
  61     total_mem_size = MemorySize('0B')
  62     for dir_cntrl in dir_cntrls:
  63         total_mem_size.value += dir_cntrl.directory.size.value
  64     physmem_size = long(physmem.range.second) - long(physmem.range.first) + 1
  65     assert(total_mem_size.value == physmem_size)
  66
  67     ruby_profiler = RubyProfiler(num_of_sequencers = len(cpu_sequencers))
  68
  69     ruby = RubySystem(clock = options.clock,
  70                       network = network,
  71                       profiler = ruby_profiler,
  72                       tracer = RubyTracer(),
  73                       debug = RubyDebug(filter_string = 'none',
  74                                         verbosity_string = 'none',
  75                                         protocol_trace = False),
  76                       mem_size = total_mem_size)
  77
  78     ruby.cpu_ruby_ports = cpu_sequencers
  79
  80     return ruby