configs/example/ruby_fs.py

   1 # Copyright (c) 2009 Advanced Micro Devices, Inc.
   2 # All rights reserved.
   3 #
   4 # Redistribution and use in source and binary forms, with or without
   5 # modification, are permitted provided that the following conditions are
   6 # met: redistributions of source code must retain the above copyright
   7 # notice, this list of conditions and the following disclaimer;
   8 # redistributions in binary form must reproduce the above copyright
   9 # notice, this list of conditions and the following disclaimer in the
  10 # documentation and/or other materials provided with the distribution;
  11 # neither the name of the copyright holders nor the names of its
  12 # contributors may be used to endorse or promote products derived from
  13 # this software without specific prior written permission.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  17 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  18 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  19 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  21 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26 #
  27 # Authors: Brad Beckmann
  28
  29 #
  30 # Full system configuraiton for ruby
  31 #
  32
  33 import os
  34 import optparse
  35 import sys
  36 from os.path import join as joinpath
  37
  38 import m5
  39 from m5.defines import buildEnv
  40 from m5.objects import *
  41 from m5.util import addToPath, panic
  42
  43 if not buildEnv['FULL_SYSTEM']:
  44     panic("This script requires full-system mode (*_FS).")
  45
  46 addToPath('../../tests/configs/')
  47 addToPath('../common')
  48
  49 import ruby_config
  50
  51 from FSConfig import *
  52 from SysPaths import *
  53 from Benchmarks import *
  54 import Simulation
  55 from Caches import *
  56
  57 # Get paths we might need.  It's expected this file is in m5/configs/example.
  58 config_path = os.path.dirname(os.path.abspath(__file__))
  59 config_root = os.path.dirname(config_path)
  60 m5_root = os.path.dirname(config_root)
  61
  62 parser = optparse.OptionParser()
  63
  64 # Benchmark options
  65 parser.add_option("-b", "--benchmark", action="store", type="string",
  66                   dest="benchmark",
  67                   help="Specify the benchmark to run. Available benchmarks: %s"\
  68                   % DefinedBenchmarks)
  69 parser.add_option("-o", "--options", default="",
  70     help='The options to pass to the binary, use " " around the entire string')
  71 parser.add_option("-i", "--input", default="", help="Read stdin from a file.")
  72 parser.add_option("--output", default="", help="Redirect stdout to a file.")
  73 parser.add_option("--errout", default="", help="Redirect stderr to a file.")
  74 parser.add_option("--ruby-debug", action="store_true")
  75 parser.add_option("--ruby-debug-file", default="", help="Ruby debug out file (stdout if blank)")
  76
  77 # ruby host memory experimentation
  78 parser.add_option("--cache_size", type="int")
  79 parser.add_option("--cache_assoc", type="int")
  80 parser.add_option("--map_levels", type="int")
  81
  82 execfile(os.path.join(config_root, "common", "Options.py"))
  83
  84 (options, args) = parser.parse_args()
  85
  86 if args:
  87     print "Error: script doesn't take any positional arguments"
  88     sys.exit(1)
  89
  90 if options.benchmark:
  91     try:
  92         bm = Benchmarks[options.benchmark]
  93     except KeyError:
  94         print "Error benchmark %s has not been defined." % options.benchmark
  95         print "Valid benchmarks are: %s" % DefinedBenchmarks
  96         sys.exit(1)
  97 else:
  98     bm = [SysConfig()]
  99
 100 #
 101 # currently ruby fs only works in timing mode because ruby does not support
 102 # atomic accesses by devices
 103 #
 104 assert(options.timing)
 105
 106 (CPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
 107
 108 CPUClass.clock = '1GHz'
 109
 110 #
 111 # Since we are running in timing mode, set the number of M5 ticks to ruby ticks
 112 # to the cpu clock frequency
 113 #
 114 M5_to_ruby_tick = '1000t'
 115
 116 np = options.num_cpus
 117
 118 # check for max instruction count
 119 if options.max_inst:
 120     max_inst = options.max_inst
 121 else:
 122     max_inst = 0
 123
 124 # set cache size
 125 if options.cache_size:
 126     cache_size = options.cache_size
 127 else:
 128     cache_size = 32768 # 32 kB is default
 129
 130 # set cache assoc
 131 if options.cache_assoc:
 132     cache_assoc = options.cache_assoc
 133 else:
 134     cache_assoc = 8 # 8 is default
 135
 136 # set map levels
 137 if options.map_levels:
 138     map_levels = options.map_levels
 139 else:
 140     map_levels = 4 # 4 levels is the default
 141
 142 #
 143 # Currently, since ruby configuraiton is separate from m5, we need to manually
 144 # tell ruby that two dma ports are created by makeLinuxAlphaRubySystem().
 145 # Eventually, this will be fix with a unified configuration system.
 146 #
 147 rubymem = ruby_config.generate("MI_example-homogeneous.rb",
 148                                np,
 149                                np,
 150                                128,
 151                                False,
 152                                cache_size,
 153                                cache_assoc,
 154                                map_levels,
 155                                2,
 156                                M5_to_ruby_tick)
 157
 158 if options.ruby_debug == True:
 159   rubymem.debug = True
 160   rubymem.debug_file = options.ruby_debug_file
 161
 162 system = makeLinuxAlphaRubySystem(test_mem_mode, rubymem, bm[0])
 163
 164 system.cpu = [CPUClass(cpu_id=i) for i in xrange(np)]
 165
 166 if options.l2cache:
 167     print "Error: -l2cache incompatible with ruby, must configure it ruby-style"
 168     sys.exit(1)
 169
 170 if options.caches:
 171     print "Error: -caches incompatible with ruby, must configure it ruby-style"
 172     sys.exit(1)
 173
 174 for i in xrange(np):
 175     system.cpu[i].connectMemPorts(system.physmem)
 176
 177     if options.fastmem:
 178         system.cpu[i].physmem_port = system.physmem.port
 179
 180 root = Root(system = system)
 181
 182 Simulation.run(options, root, system, FutureClass)