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/* $Id: efi-fat.h $ */
/** @file
* IPRT, EFI FAT Binary (used by Apple, contains multiple architectures).
*/
/*
* Copyright (C) 2019-2023 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 IPRT_INCLUDED_formats_efi_fat_h
#define IPRT_INCLUDED_formats_efi_fat_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <iprt/types.h>
#include <iprt/assertcompile.h>
/*
* Definitions come from http://refit.sourceforge.net/info/fat_binary.html
*/
/**
* The header structure.
*/
typedef struct EFI_FATHDR
{
/** The magic identifying the header .*/
uint32_t u32Magic;
/** Number of files (one per architecture) embedded into the file. */
uint32_t cFilesEmbedded;
} EFI_FATHDR;
AssertCompileSize(EFI_FATHDR, 8);
typedef EFI_FATHDR *PEFI_FATHDR;
/** The magic identifying a FAT header. */
#define EFI_FATHDR_MAGIC UINT32_C(0x0ef1fab9)
/**
* The direcory entry.
*/
typedef struct EFI_FATDIRENTRY
{
/** The CPU type the referenced file is for. */
uint32_t u32CpuType;
/** The CPU sub-type the referenced file is for. */
uint32_t u32CpuSubType;
/** Offset in bytes where the file is located. */
uint32_t u32OffsetStart;
/** Length of the file in bytes. */
uint32_t cbFile;
/** Alignment used for the file. */
uint32_t u32Alignment;
} EFI_FATDIRENTRY;
AssertCompileSize(EFI_FATDIRENTRY, 20);
typedef EFI_FATDIRENTRY *PEFI_FATDIRENTRY;
#define EFI_FATDIRENTRY_CPU_TYPE_X86 UINT32_C(0x7)
#define EFI_FATDIRENTRY_CPU_TYPE_AMD64 UINT32_C(0x01000007)
#define EFI_FATDIRENTRY_CPU_SUB_TYPE_GENERIC UINT32_C(0x3)
#endif /* !IPRT_INCLUDED_formats_efi_fat_h */
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