1# Copyright (c) 2008 The Hewlett-Packard Development Company
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder.  You may use the software subject to the license
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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    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
56class 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
63class 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
71class 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')
84