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Diffstat (limited to '')
| -rw-r--r-- | src/VBox/Devices/PC/vbox-cpuhotplug.dsl | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/src/VBox/Devices/PC/vbox-cpuhotplug.dsl b/src/VBox/Devices/PC/vbox-cpuhotplug.dsl new file mode 100644 index 00000000..4d2ee26f --- /dev/null +++ b/src/VBox/Devices/PC/vbox-cpuhotplug.dsl @@ -0,0 +1,204 @@ +/* $Id: vbox-cpuhotplug.dsl $ */ +/** @file + * VirtualBox ACPI + */ + +/* + * Copyright (C) 2006-2023 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: + */ |