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