ACPI.py revision 7088:84bd4089958b
1# Copyright (c) 2008 The Hewlett-Packard Development Company
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3#
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35
36from m5.params import *
37from 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.
41class X86ACPISysDescTable(SimObject):
42    type = 'X86ACPISysDescTable'
43    cxx_class = 'X86ISA::ACPI::SysDescTable'
44    abstract = True
45
46    oem_id = Param.String('', 'string identifying the oem')
47    oem_table_id = Param.String('', 'oem table ID')
48    oem_revision = Param.UInt32(0, 'oem revision number for the table')
49
50    creator_id = Param.String('',
51            'string identifying the generator of the table')
52    creator_revision = Param.UInt32(0,
53            'revision number for the creator of the table')
54
55class X86ACPIRSDT(X86ACPISysDescTable):
56    type = 'X86ACPIRSDT'
57    cxx_class = 'X86ISA::ACPI::RSDT'
58
59    entries = VectorParam.X86ACPISysDescTable([], 'system description tables')
60
61class X86ACPIXSDT(X86ACPISysDescTable):
62    type = 'X86ACPIXSDT'
63    cxx_class = 'X86ISA::ACPI::XSDT'
64
65    entries = VectorParam.X86ACPISysDescTable([], 'system description tables')
66
67# Root System Description Pointer Structure
68class X86ACPIRSDP(SimObject):
69    type = 'X86ACPIRSDP'
70    cxx_class = 'X86ISA::ACPI::RSDP'
71
72    oem_id = Param.String('', 'string identifying the oem')
73    # Because 0 encodes ACPI 1.0, 2 encodes ACPI 3.0, the version implemented
74    # here.
75    revision = Param.UInt8(2, 'revision of ACPI being used, zero indexed')
76
77    rsdt = Param.X86ACPIRSDT(NULL, 'root system description table')
78    xsdt = Param.X86ACPIXSDT(X86ACPIXSDT(),
79            'extended system description table')
80