text: # Copyright (c) 2009 ARM Limited
  # All rights reserved.
  #
  # The license below extends only to copyright in the software and shall
  # not be construed as granting a license to any other intellectual
  # property including but not limited to intellectual property relating
  # to a hardware implementation of the functionality of the software
  # licensed hereunder.  You may use the software subject to the license
  # terms below provided that you ensure that this notice is replicated
  # unmodified and in its entirety in all distributions of the software,
  # modified or unmodified, in source code or in binary form.
  #
  # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions are
  # met: redistributions of source code must retain the above copyright
  # notice, this list of conditions and the following disclaimer;
  # redistributions in binary form must reproduce the above copyright
  # notice, this list of conditions and the following disclaimer in the
  # documentation and/or other materials provided with the distribution;
  # neither the name of the copyright holders nor the names of its
  # contributors may be used to endorse or promote products derived from
  # this software without specific prior written permission.
  #
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  #
  # Authors: Ali Saidi
  
  from m5.params import *
  
  from System import System
  
  class ArmMachineType(Enum):
      map = {'RealView_EB' : 827,
             'RealView_PBX' : 1901,
             'VExpress_ELT' : 2272,
             'VExpress_CA9' : 2272,
             'VExpress_EMM' : 2272}
  
  class ArmSystem(System):
      type = 'ArmSystem'
      cxx_header = "arch/arm/system.hh"
      load_addr_mask = 0xffffffff
      # 0x35 Implementor is '5' from "M5"
      # 0x0 Variant
      # 0xf Architecture from CPUID scheme
      # 0xc00 Primary part number ("c" or higher implies ARM v7)
      # 0x0 Revision
      midr_regval = Param.UInt32(0x350fc000, "MIDR value")
      multi_proc = Param.Bool(True, "Multiprocessor system?")
      boot_loader = Param.String("", "File that contains the boot loader code if any")
      gic_cpu_addr = Param.Addr(0, "Addres of the GIC CPU interface")
      flags_addr = Param.Addr(0, "Address of the flags register for MP booting")
  
  class LinuxArmSystem(ArmSystem):
      type = 'LinuxArmSystem'
      cxx_header = "arch/arm/linux/system.hh"
      load_addr_mask = 0x0fffffff
      machine_type = Param.ArmMachineType('RealView_PBX',
          "Machine id from http://www.arm.linux.org.uk/developer/machines/")
      atags_addr = Param.Addr(0x100,
          "Address where default atags structure should be written")
      dtb_filename = Param.String("",
          "File that contains the Device Tree Blob. Don't use DTB if empty.")
      early_kernel_symbols = Param.Bool(False,
          "enable early kernel symbol tables before MMU")
      enable_context_switch_stats_dump = Param.Bool(False, "enable stats/task info dumping at context switch boundaries")
  