65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/** @file
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* X86 (and AMD64) Local APIC registers (VMM,++).
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*
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* bios.mac is generated from this file by running 'kmk -f Maintenance.kmk incs'.
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*/
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/*
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* Copyright (C) 2017-2024 Oracle and/or its affiliates.
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*
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* This file is part of VirtualBox base platform packages, as
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* available from https://www.virtualbox.org.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, in version 3 of the
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* License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <https://www.gnu.org/licenses>.
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*
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* The contents of this file may alternatively be used under the terms
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* of the Common Development and Distribution License Version 1.0
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* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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* in the VirtualBox distribution, in which case the provisions of the
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* CDDL are applicable instead of those of the GPL.
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*
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* You may elect to license modified versions of this file under the
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* terms and conditions of either the GPL or the CDDL or both.
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*
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* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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*/
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#ifndef VBOX_INCLUDED_bios_h
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#define VBOX_INCLUDED_bios_h
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#ifndef RT_WITHOUT_PRAGMA_ONCE
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# pragma once
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#endif
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/** The BIOS control port.
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* Write "Shutdown" byte by byte to shutdown the VM.
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* Write "Bootfail" to indicate no bootable device.
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* Write "Prochalt" to execute alternative CPU halt.
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* @sa VBOX_BIOS_OLD_SHUTDOWN_PORT */
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#define VBOX_BIOS_SHUTDOWN_PORT 0x040f
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/** Write this value to shut down VM. */
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#define VBOX_BIOS_CTL_SHUTDOWN 0x8001
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/** Write this value to report boot failure. */
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#define VBOX_BIOS_CTL_BOOTFAIL 0x8002
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/** Write this value to halt CPU. */
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#define VBOX_BIOS_CTL_PROCHALT 0x8003
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/** The old shutdown port number.
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* Older versions of VirtualBox uses this as does Bochs.
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* @sa VBOX_BIOS_CONTROL_PORT */
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#define VBOX_BIOS_OLD_SHUTDOWN_PORT 0x8900
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#endif /* !VBOX_INCLUDED_bios_h */
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