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// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
// Licensed under the Apache License, Version 2.0 (see LICENSE file)
// Official repository: https://github.com/nekernel-org/nekernel
#ifndef LIBMKFS_OPENHEFS_H
#define LIBMKFS_OPENHEFS_H
#ifndef __GNUC__
#error !! libmkfs isn't working in MSVC yet !!
#endif
#include <cstdint>
#include <cstring>
#define kOpenHeFSVersion (0x0101)
#define kOpenHeFSMagic "OpenHeFS"
#define kOpenHeFSMagicLen (9U)
#define kOpenHeFSFileNameLen (256U)
#define kOpenHeFSPartNameLen (128U)
#define kOpenHeFSDefaultVolumeName u8"OpenHeFS Volume"
namespace mkfs::hefs {
// Drive kinds
enum {
kOpenHeFSHardDrive = 0xC0, // Hard Drive
kOpenHeFSSolidStateDrive = 0xC1, // Solid State Drive
kOpenHeFSOpticalDrive = 0x0C, // Blu-Ray/DVD
kOpenHeFSMassStorageDevice = 0xCC, // USB
kOpenHeFSScsiDrive = 0xC4, // SCSI Hard Drive
kOpenHeFSFlashDrive = 0xC6,
kOpenHeFSUnknown = 0xFF, // Unknown device.
kOpenHeFSDriveCount = 8,
};
// Disk status
enum {
kOpenHeFSStatusUnlocked = 0x18,
kOpenHeFSStatusLocked,
kOpenHeFSStatusError,
kOpenHeFSStatusInvalid,
kOpenHeFSStatusCount,
};
// Encodings
enum {
kOpenHeFSEncodingFlagsUTF8 = 0x50,
kOpenHeFSEncodingFlagsUTF16,
kOpenHeFSEncodingFlagsUTF32,
kOpenHeFSEncodingFlagsUTF16BE,
kOpenHeFSEncodingFlagsUTF16LE,
kOpenHeFSEncodingFlagsUTF32BE,
kOpenHeFSEncodingFlagsUTF32LE,
kOpenHeFSEncodingFlagsUTF8BE,
kOpenHeFSEncodingFlagsUTF8LE,
kOpenHeFSEncodingFlagsBinary,
kOpenHeFSEncodingFlagsCount = 11,
kOpenHeFSFlagsNone = 0,
kOpenHeFSFlagsReadOnly = 0x100,
kOpenHeFSFlagsHidden,
kOpenHeFSFlagsSystem,
kOpenHeFSFlagsArchive,
kOpenHeFSFlagsDevice,
kOpenHeFSFlagsCount = 7
};
// Time type
using ATime = std::uint64_t;
// File kinds
inline constexpr uint16_t kOpenHeFSFileKindRegular = 0x00;
inline constexpr uint16_t kOpenHeFSFileKindDirectory = 0x01;
inline constexpr uint16_t kOpenHeFSFileKindBlock = 0x02;
inline constexpr uint16_t kOpenHeFSFileKindCharacter = 0x03;
inline constexpr uint16_t kOpenHeFSFileKindFIFO = 0x04;
inline constexpr uint16_t kOpenHeFSFileKindSocket = 0x05;
inline constexpr uint16_t kOpenHeFSFileKindSymbolicLink = 0x06;
inline constexpr uint16_t kOpenHeFSFileKindUnknown = 0x07;
inline constexpr uint16_t kOpenHeFSFileKindCount = 0x08;
// Red-black tree colors
enum {
kOpenHeFSInvalidColor = 0,
kOpenHeFSRed = 100,
kOpenHeFSBlack,
kOpenHeFSColorCount,
};
// Time constants
inline constexpr ATime kOpenHeFSTimeInvalid = 0x0000000000000000;
inline constexpr ATime kOpenHeFSTimeMax = 0xFFFFFFFFFFFFFFFF - 1;
// Boot Node
struct __attribute__((packed)) BootNode {
char magic[kOpenHeFSMagicLen]{};
char8_t volumeName[kOpenHeFSPartNameLen]{};
std::uint32_t version{};
std::uint64_t badSectors{};
std::uint64_t sectorCount{};
std::uint64_t sectorSize{};
std::uint32_t checksum{};
std::uint8_t diskKind{};
std::uint8_t encoding{};
std::uint64_t startIND{};
std::uint64_t endIND{};
std::uint64_t indCount{};
std::uint64_t diskSize{};
std::uint16_t diskStatus{};
std::uint16_t diskFlags{};
std::uint16_t vid{};
std::uint64_t startIN{};
std::uint64_t endIN{};
std::uint64_t startBlock{};
std::uint64_t endBlock{};
char pad[272]{};
};
} // namespace mkfs::hefs
#endif
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