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 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