old_contents: # Copyright (c) 2008 The Hewlett-Packard Development Company
  # 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.
  
  class X86ACPIXSDT(X86ACPISysDescTable):
      type = 'X86ACPIXSDT'
      cxx_class = 'X86ISA::ACPI::XSDT'
  
      entries = VectorParam.X86ACPISysDescTable([], 'system description tables')
  
  # Root System Description Pointer Structure
  class X86ACPIRSDP(SimObject):
      type = 'X86ACPIRSDP'
      cxx_class = 'X86ISA::ACPI::RSDP'
  
      oem_id = Param.String('', 'string identifying the oem')
      # Because 0 encodes ACPI 1.0, 2 encodes ACPI 3.0, the version implemented
      # here.
      revision = Param.UInt8(2, 'revision of ACPI being used, zero indexed')
  
      rsdt = Param.X86ACPIRSDT(NULL, 'root system description table')
      xsdt = Param.X86ACPIXSDT(X86ACPIXSDT(),
              'extended system description table')
  
new_contents: # Copyright (c) 2008 The Hewlett-Packard Development Company
  # 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.
  
  from m5.params import *
  from m5.SimObject import SimObject
  
  # ACPI description table header. Subclasses contain and handle the actual
  # contents as appropriate for that type of table.
  class X86ACPISysDescTable(SimObject):
      type = 'X86ACPISysDescTable'
      cxx_class = 'X86ISA::ACPI::SysDescTable'
      abstract = True
  
      oem_id = Param.String('', 'string identifying the oem')
      oem_table_id = Param.String('', 'oem table ID')
      oem_revision = Param.UInt32(0, 'oem revision number for the table')
  
      creator_id = Param.String('',
              'string identifying the generator of the table')
      creator_revision = Param.UInt32(0,
              'revision number for the creator of the table')
  
  class X86ACPIRSDT(X86ACPISysDescTable):
      type = 'X86ACPIRSDT'
      cxx_class = 'X86ISA::ACPI::RSDT'
  
      entries = VectorParam.X86ACPISysDescTable([], 'system description tables')
  
  class X86ACPIXSDT(X86ACPISysDescTable):
      type = 'X86ACPIXSDT'
      cxx_class = 'X86ISA::ACPI::XSDT'
  
      entries = VectorParam.X86ACPISysDescTable([], 'system description tables')
  
  # Root System Description Pointer Structure
  class X86ACPIRSDP(SimObject):
      type = 'X86ACPIRSDP'
      cxx_class = 'X86ISA::ACPI::RSDP'
  
      oem_id = Param.String('', 'string identifying the oem')
      # Because 0 encodes ACPI 1.0, 2 encodes ACPI 3.0, the version implemented
      # here.
      revision = Param.UInt8(2, 'revision of ACPI being used, zero indexed')
  
      rsdt = Param.X86ACPIRSDT(NULL, 'root system description table')
      xsdt = Param.X86ACPIXSDT(X86ACPIXSDT(),
              'extended system description table')
  
subject: put back code that I accidentally deleted