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Kernel: DeviceManager is now a 'FileSystem' so it can expose devices

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Shell reads keyboard through /dev/input :)
This commit is contained in:
Bananymous
2023-03-29 11:50:46 +03:00
parent f4db246658
commit a24c2d9be2
9 changed files with 135 additions and 25 deletions
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27
kernel/include/kernel/Input/PS2Keyboard.h
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@@ -31,8 +31,6 @@ namespace Kernel::Input
virtual void on_byte(uint8_t) override;
virtual void update() override;
virtual BAN::ErrorOr<void> read(BAN::Span<uint8_t>) override;
private:
PS2Keyboard(PS2Controller& controller)
: m_controller(controller)
@@ -59,6 +57,31 @@ namespace Kernel::Input
PS2Keymap m_keymap;
State m_state { State::Normal };
public:
virtual ino_t ino() const override { return 0; }
virtual mode_t mode() const override { return IFCHR | IRUSR | IRGRP; }
virtual nlink_t nlink() const override { return 0; }
virtual uid_t uid() const override { return 0; }
virtual gid_t gid() const override { return 0; }
virtual off_t size() const override { return 0; }
virtual timespec atime() const override { return { 0, 0 }; }
virtual timespec mtime() const override { return { 0, 0 }; }
virtual timespec ctime() const override { return { 0, 0 }; }
virtual blksize_t blksize() const override { return sizeof(KeyEvent); }
virtual blkcnt_t blocks() const override { return 0; }
virtual BAN::StringView name() const override { return "input"sv; }
virtual BAN::ErrorOr<size_t> read(size_t, void*, size_t) override;
virtual BAN::ErrorOr<void> create_file(BAN::StringView, mode_t) override { return BAN::Error::from_errno(ENOTDIR); }
virtual Type type() const override { return Type::Device; }
virtual bool operator==(const Inode&) const override { return false; }
protected:
virtual BAN::ErrorOr<BAN::RefPtr<Inode>> read_directory_inode_impl(BAN::StringView) override { return BAN::Error::from_errno(ENOTDIR); }
virtual BAN::ErrorOr<BAN::Vector<BAN::String>> read_directory_entries_impl(size_t) override { return BAN::Error::from_errno(ENOTDIR); }
};
}