diff options
Diffstat (limited to 'dev/lib/utility/embfs.hpp')
| -rw-r--r-- | dev/lib/utility/embfs.hpp | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/dev/lib/utility/embfs.hpp b/dev/lib/utility/embfs.hpp deleted file mode 100644 index e2e5d18..0000000 --- a/dev/lib/utility/embfs.hpp +++ /dev/null @@ -1,81 +0,0 @@ -/* - * File: embfs.hpp - * Purpose: Embedded File System. - * Author: Amlal El Mahrouss (amlal@nekernel.org) - * Copyright 2025, Amlal El Mahrouss, Licensed under the Boost Software License. - */ - -#ifndef _OCL_EMBFS_HPP -#define _OCL_EMBFS_HPP - -#include <cstdint> -#include <cstddef> - -/// @brief A filesystem designed for tiny storage medias. -/// @author Amlal EL Mahrouss (amlal@nekernel.org) - -namespace ocl::embfs -{ - namespace traits - { - struct embfs_superblock; - struct embfs_inode; - - inline constexpr const size_t _superblock_name_len = 16; - inline constexpr const size_t _superblock_reserve_len = 462; - - inline constexpr const size_t _inode_name_len = 128; - inline constexpr const size_t _inode_arr_len = 12; - inline constexpr const size_t _inode_lookup_len = 8; - -#if defined(EMBFS_28BIT_LBA) - typedef std::uint32_t lba_t; -#elif defined(EMBFS_48BIT_LBA) - typedef std::uint64_t lba_t; -#else - typedef std::uint32_t lba_t; -#endif - - typedef std::int16_t sword_t; - - typedef std::int32_t sdword_t; - - typedef std::uint8_t utf8_char_t; - - /// @brief Superblock data structure - struct embfs_superblock - { - sword_t s_block_mag; - sdword_t s_num_inodes; - sdword_t s_part_size; - sdword_t s_part_used; - sdword_t s_version; - sword_t s_sector_sz; - lba_t s_inode_start; - lba_t s_inode_end; - utf8_char_t s_name[_superblock_name_len]; - utf8_char_t s_reserved[_superblock_reserve_len]; - }; - - /// @brief Indexed node structure. - /// @brief i_name file name - /// @brief i_size_virt, i_size_phys: virtual and physical (sector count) size. - /// @brief i_offset direct block pointer. - /// @brief i_checksum crc32 checksum. - /// @brief i_flags_perms flags and permissions - /// @brief i_acl_* ACL to keep track of inode allocation status. - struct embfs_inode - { - utf8_char_t i_name[_inode_name_len]; - sword_t i_size_virt, i_size_phys; - lba_t i_offset[_inode_lookup_len]; - sword_t i_checksum, i_flags_perms; - lba_t i_acl_creat, i_acl_edit, i_acl_delet; - }; - - /// @brief Indexed node linear array. - typedef embfs_inode embfs_inode_arr_t[_inode_arr_len]; - } // namespace traits -} // namespace ocl::embfs - -#endif // ifndef _OCL_EMBFS_HPP
\ No newline at end of file |
