| 1 | /* $Id: vbox-cpuhotplug.dsl 82265 2019-11-28 11:22:57Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VirtualBox ACPI
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2019 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | DefinitionBlock ("SSDT-cpuhotplug.aml", "SSDT", 1, "VBOX ", "VBOXCPUT", 2)
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| 19 | {
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| 20 | External(CPUC)
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| 21 | External(CPUL)
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| 22 | External(CPEV)
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| 23 | External(CPET)
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| 24 |
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| 25 | // Method to check for the CPU status
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| 26 | Method(CPCK, 1)
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| 27 | {
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| 28 | Store (Arg0, CPUC)
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| 29 | Return(LEqual(CPUL, 0x01))
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| 30 | }
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| 31 |
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| 32 | // Method to notify the VMM that a CPU is not
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| 33 | // in use anymore and can be safely removed.
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| 34 | // Using the extra method here because the CPUL
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| 35 | // register identifer clashes with the CPUL object defined
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| 36 | // below making iasl starting with version 20150930 fail.
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| 37 | //
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| 38 | // Think of CPLO as "CPU Lock Open"
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| 39 | Method(CPLO, 1)
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| 40 | {
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| 41 | Store(Arg0, CPUL)
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| 42 | }
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| 43 |
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| 44 | Scope (\_SB)
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| 45 | {
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| 46 |
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| 47 | #define GENERATE_CPU_OBJECT(id, sck, sckuid, cpu)<NL> \
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| 48 | Device (sck) \
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| 49 | { \
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| 50 | Name (_HID, "ACPI0004") \
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| 51 | Name (_UID, sckuid) \
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| 52 | \
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| 53 | <NL> \
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| 54 | Processor (cpu, /* Name */ \
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| 55 | id, /* Id */ \
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| 56 | 0x0, /* Processor IO ports range start */ \
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| 57 | 0x0 /* Processor IO ports range length */ \
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| 58 | ) \
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| 59 | { \
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| 60 | Name (_HID, "ACPI0007") \
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| 61 | Name (_UID, id) \
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| 62 | Name (_PXM, 0x00) \
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| 63 | <NL> \
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| 64 | Method(_MAT, 0, Serialized) \
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| 65 | { \
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| 66 | Name (APIC, Buffer (8) {0x00, 0x08, id, id}) \
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| 67 | IF (CPCK(id)) \
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| 68 | { \
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| 69 | Store (One, Index (APIC, 4)) \
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| 70 | } \
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| 71 | Else \
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| 72 | { \
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| 73 | Store (Zero, Index (APIC, 4)) \
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| 74 | } \
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| 75 | Return (APIC) \
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| 76 | } \
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| 77 | <NL> \
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| 78 | Method(_STA) /* Used for device presence detection */ \
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| 79 | { \
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| 80 | IF (CPCK(id)) \
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| 81 | { \
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| 82 | Return (0xF) \
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| 83 | } \
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| 84 | Else \
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| 85 | { \
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| 86 | Return (0x0) \
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| 87 | } \
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| 88 | } \
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| 89 | <NL> \
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| 90 | Method(_EJ0, 1) \
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| 91 | { \
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| 92 | CPLO(id) /* Unlock the CPU */ \
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| 93 | Return \
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| 94 | } \
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| 95 | } \
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| 96 | } \
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| 97 |
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| 98 | GENERATE_CPU_OBJECT(0x00, SCK0, "SCKCPU0", CPU0)
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| 99 | GENERATE_CPU_OBJECT(0x01, SCK1, "SCKCPU1", CPU1)
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| 100 | GENERATE_CPU_OBJECT(0x02, SCK2, "SCKCPU2", CPU2)
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| 101 | GENERATE_CPU_OBJECT(0x03, SCK3, "SCKCPU3", CPU3)
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| 102 | GENERATE_CPU_OBJECT(0x04, SCK4, "SCKCPU4", CPU4)
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| 103 | GENERATE_CPU_OBJECT(0x05, SCK5, "SCKCPU5", CPU5)
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| 104 | GENERATE_CPU_OBJECT(0x06, SCK6, "SCKCPU6", CPU6)
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| 105 | GENERATE_CPU_OBJECT(0x07, SCK7, "SCKCPU7", CPU7)
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| 106 | GENERATE_CPU_OBJECT(0x08, SCK8, "SCKCPU8", CPU8)
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| 107 | GENERATE_CPU_OBJECT(0x09, SCK9, "SCKCPU9", CPU9)
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| 108 | GENERATE_CPU_OBJECT(0x0a, SCKA, "SCKCPUA", CPUA)
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| 109 | GENERATE_CPU_OBJECT(0x0b, SCKB, "SCKCPUB", CPUB)
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| 110 | GENERATE_CPU_OBJECT(0x0c, SCKC, "SCKCPUC", CPUC)
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| 111 | GENERATE_CPU_OBJECT(0x0d, SCKD, "SCKCPUD", CPUD)
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| 112 | GENERATE_CPU_OBJECT(0x0e, SCKE, "SCKCPUE", CPUE)
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| 113 | GENERATE_CPU_OBJECT(0x0f, SCKF, "SCKCPUF", CPUF)
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| 114 | GENERATE_CPU_OBJECT(0x10, SCKG, "SCKCPUG", CPUG)
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| 115 | GENERATE_CPU_OBJECT(0x11, SCKH, "SCKCPUH", CPUH)
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| 116 | GENERATE_CPU_OBJECT(0x12, SCKI, "SCKCPUI", CPUI)
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| 117 | GENERATE_CPU_OBJECT(0x13, SCKJ, "SCKCPUJ", CPUJ)
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| 118 | GENERATE_CPU_OBJECT(0x14, SCKK, "SCKCPUK", CPUK)
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| 119 | GENERATE_CPU_OBJECT(0x15, SCKL, "SCKCPUL", CPUL)
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| 120 | GENERATE_CPU_OBJECT(0x16, SCKM, "SCKCPUM", CPUM)
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| 121 | GENERATE_CPU_OBJECT(0x17, SCKN, "SCKCPUN", CPUN)
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| 122 | GENERATE_CPU_OBJECT(0x18, SCKO, "SCKCPUO", CPUO)
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| 123 | GENERATE_CPU_OBJECT(0x19, SCKP, "SCKCPUP", CPUP)
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| 124 | GENERATE_CPU_OBJECT(0x1a, SCKQ, "SCKCPUQ", CPUQ)
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| 125 | GENERATE_CPU_OBJECT(0x1b, SCKR, "SCKCPUR", CPUR)
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| 126 | GENERATE_CPU_OBJECT(0x1c, SCKS, "SCKCPUS", CPUS)
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| 127 | GENERATE_CPU_OBJECT(0x1d, SCKT, "SCKCPUT", CPUT)
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| 128 | GENERATE_CPU_OBJECT(0x1e, SCKU, "SCKCPUU", CPUU)
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| 129 | GENERATE_CPU_OBJECT(0x1f, SCKV, "SCKCPUV", CPUV)
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| 130 |
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| 131 | #undef GENERATE_CPU_OBJECT
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| 132 | }
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| 133 |
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| 134 | Scope (\_GPE)
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| 135 | {
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| 136 |
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| 137 | #define CHECK_CPU(cpu, sck, cpuname) \
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| 138 | IF (LEqual(Local0, cpu)) \
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| 139 | { \
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| 140 | Notify (\_SB.sck.cpuname, Local1) \
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| 141 | } \
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| 142 |
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| 143 | // GPE bit 1 handler
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| 144 | // GPE.1 must be set and SCI raised when
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| 145 | // processor info changed and CPU must be
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| 146 | // re-evaluated
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| 147 | Method (_L01, 0, NotSerialized)
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| 148 | {
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| 149 | Store(CPEV, Local0)
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| 150 | Store(CPET, Local1)
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| 151 |
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| 152 | CHECK_CPU(0x01, SCK1, CPU1)
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| 153 | CHECK_CPU(0x02, SCK2, CPU2)
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| 154 | CHECK_CPU(0x03, SCK3, CPU3)
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| 155 | CHECK_CPU(0x04, SCK4, CPU4)
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| 156 | CHECK_CPU(0x05, SCK5, CPU5)
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| 157 | CHECK_CPU(0x06, SCK6, CPU6)
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| 158 | CHECK_CPU(0x07, SCK7, CPU7)
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| 159 | CHECK_CPU(0x08, SCK8, CPU8)
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| 160 | CHECK_CPU(0x09, SCK9, CPU9)
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| 161 | CHECK_CPU(0x0a, SCKA, CPUA)
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| 162 | CHECK_CPU(0x0b, SCKB, CPUB)
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| 163 | CHECK_CPU(0x0c, SCKC, CPUC)
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| 164 | CHECK_CPU(0x0d, SCKD, CPUD)
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| 165 | CHECK_CPU(0x0e, SCKE, CPUE)
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| 166 | CHECK_CPU(0x0f, SCKF, CPUF)
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| 167 | CHECK_CPU(0x10, SCKG, CPUG)
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| 168 | CHECK_CPU(0x11, SCKH, CPUH)
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| 169 | CHECK_CPU(0x12, SCKI, CPUI)
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| 170 | CHECK_CPU(0x13, SCKJ, CPUJ)
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| 171 | CHECK_CPU(0x14, SCKK, CPUK)
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| 172 | CHECK_CPU(0x15, SCKL, CPUL)
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| 173 | CHECK_CPU(0x16, SCKM, CPUM)
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| 174 | CHECK_CPU(0x17, SCKN, CPUN)
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| 175 | CHECK_CPU(0x18, SCKO, CPUO)
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| 176 | CHECK_CPU(0x19, SCKP, CPUP)
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| 177 | CHECK_CPU(0x1a, SCKQ, CPUQ)
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| 178 | CHECK_CPU(0x1b, SCKR, CPUR)
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| 179 | CHECK_CPU(0x1c, SCKS, CPUS)
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| 180 | CHECK_CPU(0x1d, SCKT, CPUT)
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| 181 | CHECK_CPU(0x1e, SCKU, CPUU)
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| 182 | CHECK_CPU(0x1f, SCKV, CPUV)
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| 183 | }
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| 184 |
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| 185 | #undef CHECK_CPU
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| 186 | }
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| 187 |
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| 188 | }
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| 189 |
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| 190 | /*
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| 191 | * Local Variables:
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| 192 | * comment-start: "//"
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| 193 | * End:
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| 194 | */
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