diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/include/kernel/filesystem/inode.hpp | 3 | ||||
| -rw-r--r-- | kernel/src/filesystem/ext2/filesystem.cpp | 41 |
2 files changed, 31 insertions, 13 deletions
diff --git a/kernel/include/kernel/filesystem/inode.hpp b/kernel/include/kernel/filesystem/inode.hpp index d97b5ab..59207df 100644 --- a/kernel/include/kernel/filesystem/inode.hpp +++ b/kernel/include/kernel/filesystem/inode.hpp @@ -25,7 +25,8 @@ namespace kernel::filesystem [[nodiscard]] auto is_regular() const -> bool; [[nodiscard]] auto is_device() const -> bool; - private: + // TODO BA-FS26 improve inode_kind really needed? + public: inode_kind m_kind{inode_kind::regular}; }; } // namespace kernel::filesystem diff --git a/kernel/src/filesystem/ext2/filesystem.cpp b/kernel/src/filesystem/ext2/filesystem.cpp index d650e97..31dc6f2 100644 --- a/kernel/src/filesystem/ext2/filesystem.cpp +++ b/kernel/src/filesystem/ext2/filesystem.cpp @@ -26,18 +26,18 @@ namespace kernel::filesystem::ext2 constexpr uint32_t ROOT_INODE_NUMBER = 2; // Mode bits - // constexpr uint16_t S_IFMT = 0xF000; - // constexpr uint16_t S_IFREG = 0x8000; - // constexpr uint16_t S_IFDIR = 0x4000; - - // auto S_ISREG(uint16_t mode) -> bool - // { - // return (mode & S_IFMT) == S_IFREG; - // } - // auto S_ISDIR(uint16_t mode) -> bool - // { - // return (mode & S_IFMT) == S_IFDIR; - // } + constexpr uint16_t S_IFMT = 0xF000; + constexpr uint16_t S_IFREG = 0x8000; + constexpr uint16_t S_IFDIR = 0x4000; + + auto S_ISREG(uint16_t mode) -> bool + { + return (mode & S_IFMT) == S_IFREG; + } + auto S_ISDIR(uint16_t mode) -> bool + { + return (mode & S_IFMT) == S_IFDIR; + } } // namespace auto filesystem::mount(kstd::shared_ptr<kapi::devices::device> const & device) -> int @@ -63,6 +63,7 @@ namespace kernel::filesystem::ext2 num_block_groups * sizeof(block_group_descriptor)); m_root_inode = read_inode(ROOT_INODE_NUMBER); + // TODO BA-FS26 check if root inode is valid and is a directory ?? return 0; } @@ -98,6 +99,22 @@ namespace kernel::filesystem::ext2 auto new_inode = kstd::make_shared<inode>(); kernel::devices::block_device_utils::read(m_device, &new_inode->m_data, inode_offset, sizeof(inode_data)); + + // TODO BA-FS26 improve inode_kind really needed? or just map it to the mode bits? + if (S_ISREG(new_inode->m_data.mode)) + { + new_inode->m_kind = inode::inode_kind::regular; + } + else if (S_ISDIR(new_inode->m_data.mode)) + { + new_inode->m_kind = inode::inode_kind::directory; + } + else + { + // TODO BA-FS26 really correct?? + return nullptr; + } + return new_inode; } |