Add the rust std as a custom sysroot

user/shell/Cargo.toml

@@ -4,4 +4,6 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
-std = { path = "../../crates/std" }
+# std = { path = "../../crates/std" }
+# shared = { path = "../../crates/shared", features = ["user"] }
+# core = { path = "../../crates/std/crates/core" }

user/shell/src/main.rs

@@ -1,6 +1,9 @@
-fn main() -> isize {
+fn main() {
+    let a = std::env::args();
+    for a in a {
+        println!("Argument: {}", a);
+    }
     println!(
         "Hello from PIC program loaded dynamically with custom std and a better justfile, and syscalls ! "
     );
-    0
 }

user/test_pic/Cargo.toml

@@ -4,4 +4,7 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
-std = { path = "../../crates/std" }
+# std = { path = "../../crates/std" }
+shared = { path = "../../crates/shared", features = ["user"] }
+io = { path = "../../crates/io" }
+bffs = { path = "../../crates/bffs" }

user/test_pic/src/main.rs

@@ -1,23 +1,24 @@
 #![allow(unused)]
 
-use std::{
-    io::{Read, Write, stdin},
-    syscall,
-};
+use io::{Read, Write};
+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 = stdin().read(&mut test).unwrap();
-        tty.write_all(str::from_utf8(&test[..len as usize]).unwrap().as_bytes())
+        let len = tty.read(&mut test).unwrap();
+        tty.write(str::from_utf8(&test[..len as usize]).unwrap().as_bytes())
             .unwrap();
     }
 }