src/arch/x86/bios/ACPI.py

   1 # Copyright (c) 2008 The Hewlett-Packard Development Company
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  35
  36 from m5.params import *
  37 from m5.SimObject import SimObject
  38
  39 # ACPI description table header. Subclasses contain and handle the actual
  40 # contents as appropriate for that type of table.
  41 class X86ACPISysDescTable(SimObject):
  42     type = 'X86ACPISysDescTable'
  43     cxx_class = 'X86ISA::ACPI::SysDescTable'
  44     cxx_header = 'arch/x86/bios/acpi.hh'
  45     abstract = True
  46
  47     oem_id = Param.String('', 'string identifying the oem')
  48     oem_table_id = Param.String('', 'oem table ID')
  49     oem_revision = Param.UInt32(0, 'oem revision number for the table')
  50
  51     creator_id = Param.String('',
  52             'string identifying the generator of the table')
  53     creator_revision = Param.UInt32(0,
  54             'revision number for the creator of the table')
  55
  56 class X86ACPIRSDT(X86ACPISysDescTable):
  57     type = 'X86ACPIRSDT'
  58     cxx_class = 'X86ISA::ACPI::RSDT'
  59     cxx_header = 'arch/x86/bios/acpi.hh'
  60
  61     entries = VectorParam.X86ACPISysDescTable([], 'system description tables')
  62
  63 class X86ACPIXSDT(X86ACPISysDescTable):
  64     type = 'X86ACPIXSDT'
  65     cxx_class = 'X86ISA::ACPI::XSDT'
  66     cxx_header = 'arch/x86/bios/acpi.hh'
  67
  68     entries = VectorParam.X86ACPISysDescTable([], 'system description tables')
  69
  70 # Root System Description Pointer Structure
  71 class X86ACPIRSDP(SimObject):
  72     type = 'X86ACPIRSDP'
  73     cxx_class = 'X86ISA::ACPI::RSDP'
  74     cxx_header = 'arch/x86/bios/acpi.hh'
  75
  76     oem_id = Param.String('', 'string identifying the oem')
  77     # Because 0 encodes ACPI 1.0, 2 encodes ACPI 3.0, the version implemented
  78     # here.
  79     revision = Param.UInt8(2, 'revision of ACPI being used, zero indexed')
  80
  81     rsdt = Param.X86ACPIRSDT(NULL, 'root system description table')
  82     xsdt = Param.X86ACPIXSDT(X86ACPIXSDT(),
  83             'extended system description table')