| 1 | /* $Id: efi-common.h 90342 2021-07-26 16:12:34Z 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 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 | #ifndef IPRT_INCLUDED_formats_efi_common_h
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| 28 | #define IPRT_INCLUDED_formats_efi_common_h
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| 29 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 30 | # pragma once
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| 31 | #endif
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| 32 |
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| 33 | #include <iprt/types.h>
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| 34 | #include <iprt/assertcompile.h>
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| 35 |
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| 36 | /**
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| 37 | * EFI GUID.
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| 38 | */
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| 39 | typedef struct EFI_GUID
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| 40 | {
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| 41 | uint32_t u32Data1;
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| 42 | uint16_t u16Data2;
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| 43 | uint16_t u16Data3;
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| 44 | uint8_t abData4[8];
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| 45 | } EFI_GUID;
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| 46 | AssertCompileSize(EFI_GUID, 16);
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| 47 | /** Pointer to an EFI GUID. */
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| 48 | typedef EFI_GUID *PEFI_GUID;
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| 49 | /** Pointer to a const EFI GUID. */
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| 50 | typedef const EFI_GUID *PCEFI_GUID;
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| 51 |
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| 52 |
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| 53 | /** A Null GUID. */
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| 54 | #define EFI_NULL_GUID { 0, 0, 0, { 0, 0, 0, 0, 0, 0, 0, 0 }}
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| 55 | /** Global variable GUID. */
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| 56 | #define EFI_GLOBAL_VARIABLE_GUID \
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| 57 | { 0x8be4df61, 0x93ca, 0x11d2, { 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c }}
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| 58 | /** SecureBootEnable variable GUID. */
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| 59 | #define EFI_SECURE_BOOT_ENABLE_DISABLE_GUID \
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| 60 | { 0xf0a30bc7, 0xaf08, 0x4556, { 0x99, 0xc4, 0x0, 0x10, 0x9, 0xc9, 0x3a, 0x44 } }
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| 61 |
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| 62 |
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| 63 | /**
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| 64 | * EFI time value.
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| 65 | */
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| 66 | typedef struct EFI_TIME
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| 67 | {
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| 68 | uint16_t u16Year;
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| 69 | uint8_t u8Month;
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| 70 | uint8_t u8Day;
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| 71 | uint8_t u8Hour;
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| 72 | uint8_t u8Minute;
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| 73 | uint8_t u8Second;
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| 74 | uint8_t bPad0;
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| 75 | uint32_t u32Nanosecond;
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| 76 | int16_t iTimezone;
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| 77 | uint8_t u8Daylight;
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| 78 | uint8_t bPad1;
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| 79 | } EFI_TIME;
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| 80 | AssertCompileSize(EFI_TIME, 16);
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| 81 | /** Pointer to an EFI time abstraction. */
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| 82 | typedef EFI_TIME *PEFI_TIME;
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| 83 | /** Pointer to a const EFI time abstraction. */
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| 84 | typedef const EFI_TIME *PCEFI_TIME;
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| 85 |
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| 86 | #define EFI_TIME_TIMEZONE_UNSPECIFIED INT16_C(0x07ff)
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| 87 |
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| 88 | #define EFI_TIME_DAYLIGHT_ADJUST RT_BIT(0)
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| 89 | #define EFI_TIME_DAYLIGHT_INDST RT_BIT(1)
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| 90 |
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| 91 | #endif /* !IPRT_INCLUDED_formats_efi_common_h */
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| 92 |
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