1 | /* $Id: efi-common.h 106061 2024-09-16 14:03:52Z vboxsync $ */
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2 | /** @file
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3 | * IPRT, EFI common definitions.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2021-2024 Oracle and/or its affiliates.
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8 | *
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9 | * This file is part of VirtualBox base platform packages, as
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10 | * available from https://www.virtualbox.org.
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11 | *
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12 | * This program is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU General Public License
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14 | * as published by the Free Software Foundation, in version 3 of the
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15 | * License.
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16 | *
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17 | * This program is distributed in the hope that it will be useful, but
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18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 | * General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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24 | *
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25 | * The contents of this file may alternatively be used under the terms
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26 | * of the Common Development and Distribution License Version 1.0
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27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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28 | * in the VirtualBox distribution, in which case the provisions of the
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29 | * CDDL are applicable instead of those of the GPL.
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30 | *
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31 | * You may elect to license modified versions of this file under the
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32 | * terms and conditions of either the GPL or the CDDL or both.
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33 | *
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34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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35 | */
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36 |
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37 | #ifndef IPRT_INCLUDED_formats_efi_common_h
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38 | #define IPRT_INCLUDED_formats_efi_common_h
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39 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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40 | # pragma once
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41 | #endif
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42 |
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43 | #include <iprt/types.h>
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44 | #include <iprt/assertcompile.h>
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45 |
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46 | /**
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47 | * EFI GUID.
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48 | */
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49 | typedef struct EFI_GUID
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50 | {
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51 | uint32_t u32Data1;
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52 | uint16_t u16Data2;
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53 | uint16_t u16Data3;
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54 | uint8_t abData4[8];
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55 | } EFI_GUID;
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56 | AssertCompileSize(EFI_GUID, 16);
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57 | /** Pointer to an EFI GUID. */
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58 | typedef EFI_GUID *PEFI_GUID;
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59 | /** Pointer to a const EFI GUID. */
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60 | typedef const EFI_GUID *PCEFI_GUID;
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61 |
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62 |
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63 | /** A Null GUID. */
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64 | #define EFI_NULL_GUID { 0, 0, 0, { 0, 0, 0, 0, 0, 0, 0, 0 }}
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65 | /** Global variable GUID. */
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66 | #define EFI_GLOBAL_VARIABLE_GUID \
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67 | { 0x8be4df61, 0x93ca, 0x11d2, { 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c }}
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68 | /** SecureBootEnable variable GUID. */
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69 | #define EFI_SECURE_BOOT_ENABLE_DISABLE_GUID \
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70 | { 0xf0a30bc7, 0xaf08, 0x4556, { 0x99, 0xc4, 0x0, 0x10, 0x9, 0xc9, 0x3a, 0x44 } }
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71 |
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72 |
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73 | /**
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74 | * EFI time value.
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75 | */
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76 | typedef struct EFI_TIME
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77 | {
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78 | uint16_t u16Year;
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79 | uint8_t u8Month;
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80 | uint8_t u8Day;
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81 | uint8_t u8Hour;
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82 | uint8_t u8Minute;
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83 | uint8_t u8Second;
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84 | uint8_t bPad0;
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85 | uint32_t u32Nanosecond;
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86 | int16_t iTimezone;
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87 | uint8_t u8Daylight;
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88 | uint8_t bPad1;
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89 | } EFI_TIME;
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90 | AssertCompileSize(EFI_TIME, 16);
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91 | /** Pointer to an EFI time abstraction. */
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92 | typedef EFI_TIME *PEFI_TIME;
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93 | /** Pointer to a const EFI time abstraction. */
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94 | typedef const EFI_TIME *PCEFI_TIME;
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95 |
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96 | #define EFI_TIME_TIMEZONE_UNSPECIFIED INT16_C(0x07ff)
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97 |
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98 | #define EFI_TIME_DAYLIGHT_ADJUST RT_BIT(0)
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99 | #define EFI_TIME_DAYLIGHT_INDST RT_BIT(1)
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100 |
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101 | #endif /* !IPRT_INCLUDED_formats_efi_common_h */
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102 |
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