VirtualBox

source: vbox/trunk/src/VBox/Devices/PC/vbox-cpuhotplug.dsl@ 82968

Last change on this file since 82968 was 82968, checked in by vboxsync, 5 years ago

Copyright year updates by scm.

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File size: 8.6 KB
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1/* $Id: vbox-cpuhotplug.dsl 82968 2020-02-04 10:35:17Z vboxsync $ */
2/** @file
3 * VirtualBox ACPI
4 */
5
6/*
7 * Copyright (C) 2006-2020 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18DefinitionBlock ("SSDT-cpuhotplug.aml", "SSDT", 1, "VBOX ", "VBOXCPUT", 2)
19{
20 External(CPUC)
21 External(CPUL)
22 External(CPEV)
23 External(CPET)
24
25 // Method to check for the CPU status
26 Method(CPCK, 1)
27 {
28 Store (Arg0, CPUC)
29 Return(LEqual(CPUL, 0x01))
30 }
31
32 // Method to notify the VMM that a CPU is not
33 // in use anymore and can be safely removed.
34 // Using the extra method here because the CPUL
35 // register identifer clashes with the CPUL object defined
36 // below making iasl starting with version 20150930 fail.
37 //
38 // Think of CPLO as "CPU Lock Open"
39 Method(CPLO, 1)
40 {
41 Store(Arg0, CPUL)
42 }
43
44 Scope (\_SB)
45 {
46
47#define GENERATE_CPU_OBJECT(id, sck, sckuid, cpu)<NL> \
48 Device (sck) \
49 { \
50 Name (_HID, "ACPI0004") \
51 Name (_UID, sckuid) \
52 \
53 <NL> \
54 Processor (cpu, /* Name */ \
55 id, /* Id */ \
56 0x0, /* Processor IO ports range start */ \
57 0x0 /* Processor IO ports range length */ \
58 ) \
59 { \
60 Name (_HID, "ACPI0007") \
61 Name (_UID, id) \
62 Name (_PXM, 0x00) \
63 <NL> \
64 Method(_MAT, 0, Serialized) \
65 { \
66 Name (APIC, Buffer (8) {0x00, 0x08, id, id}) \
67 IF (CPCK(id)) \
68 { \
69 Store (One, Index (APIC, 4)) \
70 } \
71 Else \
72 { \
73 Store (Zero, Index (APIC, 4)) \
74 } \
75 Return (APIC) \
76 } \
77 <NL> \
78 Method(_STA) /* Used for device presence detection */ \
79 { \
80 IF (CPCK(id)) \
81 { \
82 Return (0xF) \
83 } \
84 Else \
85 { \
86 Return (0x0) \
87 } \
88 } \
89 <NL> \
90 Method(_EJ0, 1) \
91 { \
92 CPLO(id) /* Unlock the CPU */ \
93 Return \
94 } \
95 } \
96 } \
97
98 GENERATE_CPU_OBJECT(0x00, SCK0, "SCKCPU0", CPU0)
99 GENERATE_CPU_OBJECT(0x01, SCK1, "SCKCPU1", CPU1)
100 GENERATE_CPU_OBJECT(0x02, SCK2, "SCKCPU2", CPU2)
101 GENERATE_CPU_OBJECT(0x03, SCK3, "SCKCPU3", CPU3)
102 GENERATE_CPU_OBJECT(0x04, SCK4, "SCKCPU4", CPU4)
103 GENERATE_CPU_OBJECT(0x05, SCK5, "SCKCPU5", CPU5)
104 GENERATE_CPU_OBJECT(0x06, SCK6, "SCKCPU6", CPU6)
105 GENERATE_CPU_OBJECT(0x07, SCK7, "SCKCPU7", CPU7)
106 GENERATE_CPU_OBJECT(0x08, SCK8, "SCKCPU8", CPU8)
107 GENERATE_CPU_OBJECT(0x09, SCK9, "SCKCPU9", CPU9)
108 GENERATE_CPU_OBJECT(0x0a, SCKA, "SCKCPUA", CPUA)
109 GENERATE_CPU_OBJECT(0x0b, SCKB, "SCKCPUB", CPUB)
110 GENERATE_CPU_OBJECT(0x0c, SCKC, "SCKCPUC", CPUC)
111 GENERATE_CPU_OBJECT(0x0d, SCKD, "SCKCPUD", CPUD)
112 GENERATE_CPU_OBJECT(0x0e, SCKE, "SCKCPUE", CPUE)
113 GENERATE_CPU_OBJECT(0x0f, SCKF, "SCKCPUF", CPUF)
114 GENERATE_CPU_OBJECT(0x10, SCKG, "SCKCPUG", CPUG)
115 GENERATE_CPU_OBJECT(0x11, SCKH, "SCKCPUH", CPUH)
116 GENERATE_CPU_OBJECT(0x12, SCKI, "SCKCPUI", CPUI)
117 GENERATE_CPU_OBJECT(0x13, SCKJ, "SCKCPUJ", CPUJ)
118 GENERATE_CPU_OBJECT(0x14, SCKK, "SCKCPUK", CPUK)
119 GENERATE_CPU_OBJECT(0x15, SCKL, "SCKCPUL", CPUL)
120 GENERATE_CPU_OBJECT(0x16, SCKM, "SCKCPUM", CPUM)
121 GENERATE_CPU_OBJECT(0x17, SCKN, "SCKCPUN", CPUN)
122 GENERATE_CPU_OBJECT(0x18, SCKO, "SCKCPUO", CPUO)
123 GENERATE_CPU_OBJECT(0x19, SCKP, "SCKCPUP", CPUP)
124 GENERATE_CPU_OBJECT(0x1a, SCKQ, "SCKCPUQ", CPUQ)
125 GENERATE_CPU_OBJECT(0x1b, SCKR, "SCKCPUR", CPUR)
126 GENERATE_CPU_OBJECT(0x1c, SCKS, "SCKCPUS", CPUS)
127 GENERATE_CPU_OBJECT(0x1d, SCKT, "SCKCPUT", CPUT)
128 GENERATE_CPU_OBJECT(0x1e, SCKU, "SCKCPUU", CPUU)
129 GENERATE_CPU_OBJECT(0x1f, SCKV, "SCKCPUV", CPUV)
130
131#undef GENERATE_CPU_OBJECT
132 }
133
134 Scope (\_GPE)
135 {
136
137#define CHECK_CPU(cpu, sck, cpuname) \
138 IF (LEqual(Local0, cpu)) \
139 { \
140 Notify (\_SB.sck.cpuname, Local1) \
141 } \
142
143 // GPE bit 1 handler
144 // GPE.1 must be set and SCI raised when
145 // processor info changed and CPU must be
146 // re-evaluated
147 Method (_L01, 0, NotSerialized)
148 {
149 Store(CPEV, Local0)
150 Store(CPET, Local1)
151
152 CHECK_CPU(0x01, SCK1, CPU1)
153 CHECK_CPU(0x02, SCK2, CPU2)
154 CHECK_CPU(0x03, SCK3, CPU3)
155 CHECK_CPU(0x04, SCK4, CPU4)
156 CHECK_CPU(0x05, SCK5, CPU5)
157 CHECK_CPU(0x06, SCK6, CPU6)
158 CHECK_CPU(0x07, SCK7, CPU7)
159 CHECK_CPU(0x08, SCK8, CPU8)
160 CHECK_CPU(0x09, SCK9, CPU9)
161 CHECK_CPU(0x0a, SCKA, CPUA)
162 CHECK_CPU(0x0b, SCKB, CPUB)
163 CHECK_CPU(0x0c, SCKC, CPUC)
164 CHECK_CPU(0x0d, SCKD, CPUD)
165 CHECK_CPU(0x0e, SCKE, CPUE)
166 CHECK_CPU(0x0f, SCKF, CPUF)
167 CHECK_CPU(0x10, SCKG, CPUG)
168 CHECK_CPU(0x11, SCKH, CPUH)
169 CHECK_CPU(0x12, SCKI, CPUI)
170 CHECK_CPU(0x13, SCKJ, CPUJ)
171 CHECK_CPU(0x14, SCKK, CPUK)
172 CHECK_CPU(0x15, SCKL, CPUL)
173 CHECK_CPU(0x16, SCKM, CPUM)
174 CHECK_CPU(0x17, SCKN, CPUN)
175 CHECK_CPU(0x18, SCKO, CPUO)
176 CHECK_CPU(0x19, SCKP, CPUP)
177 CHECK_CPU(0x1a, SCKQ, CPUQ)
178 CHECK_CPU(0x1b, SCKR, CPUR)
179 CHECK_CPU(0x1c, SCKS, CPUS)
180 CHECK_CPU(0x1d, SCKT, CPUT)
181 CHECK_CPU(0x1e, SCKU, CPUU)
182 CHECK_CPU(0x1f, SCKV, CPUV)
183 }
184
185#undef CHECK_CPU
186 }
187
188}
189
190/*
191 * Local Variables:
192 * comment-start: "//"
193 * End:
194 */
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