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+/** @file
+ * X86 (and AMD64) Local APIC registers (VMM,++).
+ *
+ * bios.mac is generated from this file by running 'kmk -f Maintenance.kmk incs'.
+ */
+
+/*
+ * Copyright (C) 2017-2023 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>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+#ifndef VBOX_INCLUDED_bios_h
+#define VBOX_INCLUDED_bios_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+/** The BIOS shutdown port.
+ * You write "Shutdown" byte by byte to shutdown the VM.
+ * @sa VBOX_BIOS_OLD_SHUTDOWN_PORT */
+#define VBOX_BIOS_SHUTDOWN_PORT 0x040f
+
+/** The old shutdown port number.
+ * Older versions of VirtualBox uses this as does Bochs.
+ * @sa VBOX_BIOS_SHUTDOWN_PORT */
+#define VBOX_BIOS_OLD_SHUTDOWN_PORT 0x8900
+
+
+#endif /* !VBOX_INCLUDED_bios_h */
+