Add mode to open operation

src/main.rs

@@ -2,7 +2,7 @@ mod controller;
 
 use std::{
     collections::VecDeque,
-    os::mikros::{ipc, syscalls, Errno},
+    os::mikros::{ipc, syscalls, Errno, FileOpenMode},
     sync::OnceLock,
 };
 
@@ -21,7 +21,7 @@ static KEYPRESS_BUF: Mutex<VecDeque<char>> = Mutex::new(VecDeque::new());
 struct DevServ;
 
 impl dev_driver_rpc::Server for DevServ {
-    fn open(&self, _path: &std::path::Path) -> Result<u64, Errno> {
+    fn open(&self, _path: &std::path::Path, _mode: FileOpenMode) -> Result<u64, Errno> {
         Ok(0)
     }
 }