feat: Vfs and Ext2 support. Code style/attribute improvements

Added VFS and Ext2 support.
Optimized attributes of methods to improve code highlighting.
Printf attribute, malloc attribute, etc.

include/myke/vfs/vfs-driver.h

@@ -0,0 +1,36 @@
+//
+// Created by rick on 19-09-21.
+//
+
+#ifndef NEW_KERNEL_VFS_DRIVER_H
+#define NEW_KERNEL_VFS_DRIVER_H
+
+#include <myke/driver.h>
+#include <myke/vfs/vfs.h>
+
+typedef struct vfs_driver {
+    char name[16];
+    struct {
+    } flags;
+
+    // api
+    int (*vfs_mount)(vfs_mount_t *mount);
+
+    int (*open)(vfs_mount_t *mount, vfs_fd_t *dir, const char *path, int mode, vfs_fd_t *out);
+
+    int (*close)(vfs_mount_t *mount, vfs_fd_t *fd);
+
+    int (*fstat)(vfs_mount_t *mount, vfs_fd_t *fd, stat_t *target, int flags);
+
+    int (*fread)(vfs_mount_t *mount, vfs_fd_t *fd, void *target, size_t size);
+
+    int (*dgetent)(vfs_mount_t *mount, vfs_fd_t *fd, void *target, size_t size);
+
+} __attribute__((__aligned__(STRUCT_ALIGNMENT))) vfs_driver_t;
+
+void vfs_mk_dirent_record(vfs_dirent_t *ent, uint32_t inode, uint32_t cur_offset, uint8_t type, char *name,
+                          size_t name_length);
+
+#define VFS_DRIVER(order) GENERIC_DRIVER(vfs_driver, order)
+
+#endif //NEW_KERNEL_VFS_DRIVER_H