remove dead code

kernel/src/print.rs

@@ -73,37 +73,4 @@ impl Screen {
     pub fn new() -> Self {
         Self {}
     }
-}
-//
-// impl Write for Screen{
-//     fn write_str(&mut self, s: &str) -> core::fmt::Result {
-//         VBEDRIVER.lock().print_string(s);
-//         Ok(())
-//     }
-// }
-//
-// lazy_static! {
-//     pub static ref SCREEN: Mutex<Screen> = Mutex::new(Screen::new());
-// }
-//
-//
-// pub fn s_print(arg: Arguments) {
-//     SCREEN.lock().write_fmt(arg).unwrap()
-// }
-// ///借用标准库的print!实现
-// /// $crate 变量使得我们不必在使用println!时导入宏
-// #[macro_export]
-// /// print string macro
-// macro_rules! sprint {
-//     ($fmt: literal $(, $($arg: tt)+)?) => {
-//         $crate::print::s_print(format_args!($fmt $(, $($arg)+)?));
-//     }
-// }
-//
-// #[macro_export]
-// /// println string macro
-// macro_rules! sprintln {
-//     ($fmt: literal $(, $($arg: tt)+)?) => {
-//         $crate::print::s_print(format_args!(concat!($fmt, "\n") $(, $($arg)+)?));
-//     }
-// }
+}

kernel/src/task/mod.rs

@@ -151,7 +151,6 @@ lazy_static! {
 }
 
 pub fn add_initproc() {
-    println!("add initproc to task manager");
     let _initproc = INITPROC.clone();
 }