src/sim/System.py

   1 # Copyright (c) 2005-2007 The Regents of The University of Michigan
   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
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   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
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  18 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  19 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  22 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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  25 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26 #
  27 # Authors: Nathan Binkert
  28
  29 from m5.SimObject import SimObject
  30 from m5.params import *
  31 from m5.proxy import *
  32 from m5 import build_env
  33 from PhysicalMemory import *
  34
  35 class MemoryMode(Enum): vals = ['invalid', 'atomic', 'timing']
  36
  37 class System(SimObject):
  38     type = 'System'
  39     physmem = Param.PhysicalMemory(Parent.any, "phsyical memory")
  40     mem_mode = Param.MemoryMode('atomic', "The mode the memory system is in")
  41     if build_env['FULL_SYSTEM']:
  42         abstract = True
  43         boot_cpu_frequency = Param.Frequency(Self.cpu[0].clock.frequency,
  44                                              "boot processor frequency")
  45         init_param = Param.UInt64(0, "numerical value to pass into simulator")
  46         boot_osflags = Param.String("a", "boot flags to pass to the kernel")
  47         kernel = Param.String("", "file that contains the kernel code")
  48         readfile = Param.String("", "file to read startup script from")
  49         symbolfile = Param.String("", "file to get the symbols from")