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/* $Id: vbox-cpuhotplug.dsl $ */
/** @file
* VirtualBox ACPI
*/
/*
* Copyright (C) 2006-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
DefinitionBlock ("SSDT-cpuhotplug.aml", "SSDT", 1, "VBOX ", "VBOXCPUT", 2)
{
External(CPUC)
External(CPUL)
External(CPEV)
External(CPET)
// Method to check for the CPU status
Method(CPCK, 1)
{
Store (Arg0, CPUC)
Return(LEqual(CPUL, 0x01))
}
// Method to notify the VMM that a CPU is not
// in use anymore and can be safely removed.
// Using the extra method here because the CPUL
// register identifer clashes with the CPUL object defined
// below making iasl starting with version 20150930 fail.
//
// Think of CPLO as "CPU Lock Open"
Method(CPLO, 1)
{
Store(Arg0, CPUL)
}
Scope (\_SB)
{
#define GENERATE_CPU_OBJECT(id, sck, sckuid, cpu)<NL> \
Device (sck) \
{ \
Name (_HID, "ACPI0004") \
Name (_UID, sckuid) \
\
<NL> \
Processor (cpu, /* Name */ \
id, /* Id */ \
0x0, /* Processor IO ports range start */ \
0x0 /* Processor IO ports range length */ \
) \
{ \
Name (_HID, "ACPI0007") \
Name (_UID, id) \
Name (_PXM, 0x00) \
<NL> \
Method(_MAT, 0, Serialized) \
{ \
Name (APIC, Buffer (8) {0x00, 0x08, id, id}) \
IF (CPCK(id)) \
{ \
Store (One, Index (APIC, 4)) \
} \
Else \
{ \
Store (Zero, Index (APIC, 4)) \
} \
Return (APIC) \
} \
<NL> \
Method(_STA) /* Used for device presence detection */ \
{ \
IF (CPCK(id)) \
{ \
Return (0xF) \
} \
Else \
{ \
Return (0x0) \
} \
} \
<NL> \
Method(_EJ0, 1) \
{ \
CPLO(id) /* Unlock the CPU */ \
Return \
} \
} \
} \
GENERATE_CPU_OBJECT(0x00, SCK0, "SCKCPU0", CPU0)
GENERATE_CPU_OBJECT(0x01, SCK1, "SCKCPU1", CPU1)
GENERATE_CPU_OBJECT(0x02, SCK2, "SCKCPU2", CPU2)
GENERATE_CPU_OBJECT(0x03, SCK3, "SCKCPU3", CPU3)
GENERATE_CPU_OBJECT(0x04, SCK4, "SCKCPU4", CPU4)
GENERATE_CPU_OBJECT(0x05, SCK5, "SCKCPU5", CPU5)
GENERATE_CPU_OBJECT(0x06, SCK6, "SCKCPU6", CPU6)
GENERATE_CPU_OBJECT(0x07, SCK7, "SCKCPU7", CPU7)
GENERATE_CPU_OBJECT(0x08, SCK8, "SCKCPU8", CPU8)
GENERATE_CPU_OBJECT(0x09, SCK9, "SCKCPU9", CPU9)
GENERATE_CPU_OBJECT(0x0a, SCKA, "SCKCPUA", CPUA)
GENERATE_CPU_OBJECT(0x0b, SCKB, "SCKCPUB", CPUB)
GENERATE_CPU_OBJECT(0x0c, SCKC, "SCKCPUC", CPUC)
GENERATE_CPU_OBJECT(0x0d, SCKD, "SCKCPUD", CPUD)
GENERATE_CPU_OBJECT(0x0e, SCKE, "SCKCPUE", CPUE)
GENERATE_CPU_OBJECT(0x0f, SCKF, "SCKCPUF", CPUF)
GENERATE_CPU_OBJECT(0x10, SCKG, "SCKCPUG", CPUG)
GENERATE_CPU_OBJECT(0x11, SCKH, "SCKCPUH", CPUH)
GENERATE_CPU_OBJECT(0x12, SCKI, "SCKCPUI", CPUI)
GENERATE_CPU_OBJECT(0x13, SCKJ, "SCKCPUJ", CPUJ)
GENERATE_CPU_OBJECT(0x14, SCKK, "SCKCPUK", CPUK)
GENERATE_CPU_OBJECT(0x15, SCKL, "SCKCPUL", CPUL)
GENERATE_CPU_OBJECT(0x16, SCKM, "SCKCPUM", CPUM)
GENERATE_CPU_OBJECT(0x17, SCKN, "SCKCPUN", CPUN)
GENERATE_CPU_OBJECT(0x18, SCKO, "SCKCPUO", CPUO)
GENERATE_CPU_OBJECT(0x19, SCKP, "SCKCPUP", CPUP)
GENERATE_CPU_OBJECT(0x1a, SCKQ, "SCKCPUQ", CPUQ)
GENERATE_CPU_OBJECT(0x1b, SCKR, "SCKCPUR", CPUR)
GENERATE_CPU_OBJECT(0x1c, SCKS, "SCKCPUS", CPUS)
GENERATE_CPU_OBJECT(0x1d, SCKT, "SCKCPUT", CPUT)
GENERATE_CPU_OBJECT(0x1e, SCKU, "SCKCPUU", CPUU)
GENERATE_CPU_OBJECT(0x1f, SCKV, "SCKCPUV", CPUV)
#undef GENERATE_CPU_OBJECT
}
Scope (\_GPE)
{
#define CHECK_CPU(cpu, sck, cpuname) \
IF (LEqual(Local0, cpu)) \
{ \
Notify (\_SB.sck.cpuname, Local1) \
} \
// GPE bit 1 handler
// GPE.1 must be set and SCI raised when
// processor info changed and CPU must be
// re-evaluated
Method (_L01, 0, NotSerialized)
{
Store(CPEV, Local0)
Store(CPET, Local1)
CHECK_CPU(0x01, SCK1, CPU1)
CHECK_CPU(0x02, SCK2, CPU2)
CHECK_CPU(0x03, SCK3, CPU3)
CHECK_CPU(0x04, SCK4, CPU4)
CHECK_CPU(0x05, SCK5, CPU5)
CHECK_CPU(0x06, SCK6, CPU6)
CHECK_CPU(0x07, SCK7, CPU7)
CHECK_CPU(0x08, SCK8, CPU8)
CHECK_CPU(0x09, SCK9, CPU9)
CHECK_CPU(0x0a, SCKA, CPUA)
CHECK_CPU(0x0b, SCKB, CPUB)
CHECK_CPU(0x0c, SCKC, CPUC)
CHECK_CPU(0x0d, SCKD, CPUD)
CHECK_CPU(0x0e, SCKE, CPUE)
CHECK_CPU(0x0f, SCKF, CPUF)
CHECK_CPU(0x10, SCKG, CPUG)
CHECK_CPU(0x11, SCKH, CPUH)
CHECK_CPU(0x12, SCKI, CPUI)
CHECK_CPU(0x13, SCKJ, CPUJ)
CHECK_CPU(0x14, SCKK, CPUK)
CHECK_CPU(0x15, SCKL, CPUL)
CHECK_CPU(0x16, SCKM, CPUM)
CHECK_CPU(0x17, SCKN, CPUN)
CHECK_CPU(0x18, SCKO, CPUO)
CHECK_CPU(0x19, SCKP, CPUP)
CHECK_CPU(0x1a, SCKQ, CPUQ)
CHECK_CPU(0x1b, SCKR, CPUR)
CHECK_CPU(0x1c, SCKS, CPUS)
CHECK_CPU(0x1d, SCKT, CPUT)
CHECK_CPU(0x1e, SCKU, CPUU)
CHECK_CPU(0x1f, SCKV, CPUV)
}
#undef CHECK_CPU
}
}
/*
* Local Variables:
* comment-start: "//"
* End:
*/
|
