Add more from the std

user/test_pic/src/main.rs

@@ -1,22 +1,24 @@
-#![feature(custom_std)]
 #![allow(unused)]
 
 use io::{Read, Write};
-use std::{io::{Stdin, stdin}, syscall};
+use std::io::{Stdin, stdin};
+use shared::syscall;
 
 fn main() {
-    // let mut input = String::new();
+    let mut input = String::new();
+    input.push('a');
     // let mut file = syscall::open("/dev/fb0");
     // syscall::seek(&mut file, SeekFrom::End(-3));
     // syscall::write(&mut file, &[255; 6400 * 50]);
     // syscall::sleep(Duration::from_secs_f64(2.0));
     syscall::close(0);
     let mut tty = syscall::open("/dev/tty0");
+    tty.write(input.as_bytes()).unwrap();
     syscall::spawn("/usr/bin/shell");
     loop {
         let mut test = [0; 2];
         let len = tty.read(&mut test).unwrap();
         tty.write(str::from_utf8(&test[..len as usize]).unwrap().as_bytes())
-         .unwrap();
+            .unwrap();
     }
 }