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
  34 def define_options(parser):
  35     # ruby network options
  36     parser.add_option("--topology", type="string", default="Crossbar",
  37                  help="check src/mem/ruby/network/topologies for complete set")
  38     parser.add_option("--mesh-rows", type="int", default=1,
  39                       help="the number of rows in the mesh topology")
  40     parser.add_option("--garnet-network", type="string", default=none,
  41                       help="'fixed'|'flexible'")
  42
  43     # ruby mapping options
  44     parser.add_option("--numa-high-bit", type="int", default=none,
  45                       help="high order address bit to use for numa mapping")
  46
  47     # ruby sparse memory options
  48     parser.add_option("--use-map", action="store_true", default=False)
  49     parser.add_option("--map-levels", type="int", default=4)
  50
  51     protocol = buildEnv['PROTOCOL']
  52     exec "import %s" % protocol
  53     eval("%s.define_options(parser)" % protocol)
  54
  55 def create_system(options, system, piobus = None, dma_devices = []):
  56
  57     protocol = buildEnv['PROTOCOL']
  58     exec "import %s" % protocol
  59     try:
  60         (cpu_sequencers, dir_cntrls, all_cntrls) = \
  61           eval("%s.create_system(options, system, piobus, dma_devices)" \
  62                % protocol)
  63     except:
  64         print "Error: could not create sytem for ruby protocol %s" % protocol
  65         sys.exit(1)
  66
  67     #
  68     # Important: the topology must be created before the network and after the
  69     # controllers.
  70     #
  71     exec "import %s" % options.topology
  72     try:
  73         net_topology = eval("%s.makeTopology(all_cntrls, options)" % options.topology)
  74     except:
  75         print "Error: could not create topology %s" % options.topology
  76         sys.exit(1)
  77
  78     if options.garnet_network == "fixed":
  79         network = GarnetNetwork_d(topology = net_topology)
  80     elif options.garnet_network == "flexible":
  81         network = GarnetNetwork(topology = net_topology)
  82     else:
  83         network = SimpleNetwork(topology = net_topology)
  84
  85     #
  86     # Determine the total memory size of the ruby system and verify it is equal
  87     # to physmem.  However, if Ruby memory is using sparse memory in SE
  88     # mode, then the system should not back-up the memory state with
  89     # the Memory Vector and thus the memory size bytes should stay at 0.
  90     #
  91     total_mem_size = MemorySize('0B')
  92     for dir_cntrl in dir_cntrls:
  93         total_mem_size.value += dir_cntrl.directory.size.value
  94     physmem_size = long(system.physmem.range.second) - \
  95                      long(system.physmem.range.first) + 1
  96     assert(total_mem_size.value == physmem_size)
  97
  98     ruby_profiler = RubyProfiler(num_of_sequencers = len(cpu_sequencers))
  99
 100     ruby = RubySystem(clock = options.clock,
 101                       network = network,
 102                       profiler = ruby_profiler,
 103                       tracer = RubyTracer(),
 104                       debug = RubyDebug(filter_string = 'none',
 105                                         verbosity_string = 'none',
 106                                         protocol_trace = False),
 107                       mem_size = total_mem_size)
 108
 109     ruby.cpu_ruby_ports = cpu_sequencers
 110
 111     return ruby