VirtualBox

source: vbox/trunk/include/VBox/platforms/vbox-armv8.h@ 103224

Last change on this file since 103224 was 102514, checked in by vboxsync, 11 months ago

include/VBox/platforms/vbox-armv8.h: Allow setting a dedicated MMIO region which is below 4GiB in addition to the standard MMIO region which can be anywhere in the address space (will be required for PCI MEM32 BARs), bugref:10528

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 4.1 KB
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1/** @file
2 * VirtualBox - ARMv8 virtual platform definitions shared by the device and firmware.
3 */
4
5/*
6 * Copyright (C) 2023 Oracle and/or its affiliates.
7 *
8 * This file is part of VirtualBox base platform packages, as
9 * available from https://www.virtualbox.org.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation, in version 3 of the
14 * License.
15 *
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, see <https://www.gnu.org/licenses>.
23 *
24 * The contents of this file may alternatively be used under the terms
25 * of the Common Development and Distribution License Version 1.0
26 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
27 * in the VirtualBox distribution, in which case the provisions of the
28 * CDDL are applicable instead of those of the GPL.
29 *
30 * You may elect to license modified versions of this file under the
31 * terms and conditions of either the GPL or the CDDL or both.
32 *
33 * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
34 */
35
36#ifndef VBOX_INCLUDED_platforms_vbox_armv8_h
37#define VBOX_INCLUDED_platforms_vbox_armv8_h
38#ifndef RT_WITHOUT_PRAGMA_ONCE
39# pragma once
40#endif
41
42#include <iprt/assert.h>
43#include <iprt/types.h>
44#include <iprt/cdefs.h>
45
46
47/**
48 * The VBox region descriptor.
49 */
50typedef struct VBOXPLATFORMARMV8
51{
52 /** A magic value identifying the descriptor. */
53 uint32_t u32Magic;
54 /** Decriptor version. */
55 uint32_t u32Version;
56 /** Size of this descriptor. */
57 uint32_t cbDesc;
58 /** Some flags (MBZ for now). */
59 uint32_t fFlags;
60 /** Base RAM region start address. */
61 uint64_t u64PhysAddrRamBase;
62 /** Size of the base RAM region in bytes. */
63 uint64_t cbRamBase;
64 /** Offset to the beginning of the FDT backwards from the start of this descriptor, 0 if not available. */
65 uint64_t u64OffBackFdt;
66 /** Size of the FDT in bytes, 0 if not available. */
67 uint64_t cbFdt;
68 /** Offset to the RDSP/XSDP table for ACPI backwards from the start of this descriptor, 0 if not available. */
69 uint64_t u64OffBackAcpiXsdp;
70 /** Size of the RDSP/XSDP table, 0 if not available. */
71 uint64_t cbAcpiXsdp;
72 /** Offset backwards to the start of the UEFI ROM region from the start of this descriptor, 0 if not available (doesn't make much sense though). */
73 uint64_t u64OffBackUefiRom;
74 /** Size if the UEFI ROM region in bytes, 0 if not available. */
75 uint64_t cbUefiRom;
76 /** Offset backwards to the start of the MMIO region from the start of this descriptor, 0 if not available (doesn't make much sense though). */
77 uint64_t u64OffBackMmio;
78 /** Size of the MMIO region in bytes, 0 if not available. */
79 uint64_t cbMmio;
80 /** Offset backwards to the start of the MMIO32 region from the start of this descriptor, 0 if not available. */
81 uint64_t u64OffBackMmio32;
82 /** Size of the MMIO32 region in bytes, 0 if not available. */
83 uint64_t cbMmio32;
84 /** Padding to 64KiB. */
85 uint8_t abPadding[_64K - 4 * sizeof(uint32_t) - 12 * sizeof(uint64_t)];
86} VBOXPLATFORMARMV8;
87AssertCompileSize(VBOXPLATFORMARMV8, _64K);
88typedef VBOXPLATFORMARMV8 *PVBOXPLATFORMARMV8;
89typedef const VBOXPLATFORMARMV8 *PCVBOXPLATFORMARMV8;
90
91/** Magic identifying the VirtualBox descriptor. */
92#define VBOXPLATFORMARMV8_MAGIC RT_MAKE_U32_FROM_U8('V', '8', 'O', 'X')
93/** Current version of the descriptor. */
94#define VBOXPLATFORMARMV8_VERSION 0x1
95
96#endif /* !VBOX_INCLUDED_platforms_vbox_armv8_h */
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