Load dynamic programs using FAT32

src/user.rs

@@ -0,0 +1,30 @@
+use core::time::Duration;
+
+use alloc::vec::Vec;
+use bffs::{io::Read, Fat32FileSystem};
+
+use crate::{
+    fs::Disk,
+    syscall::{sleep, write_int_temp, write_string_temp},
+};
+
+#[repr(align(32))]
+struct Alignement([u8; 157]);
+
+static PROG: Alignement = Alignement(*include_bytes!("../user/test_pic/test_pic.mem"));
+
+pub fn test() {
+    write_int_temp(PROG.0.as_ptr() as u64);
+    // unsafe { core::mem::transmute::<*const u8, extern "C" fn()>(PROG.0.as_ptr())() }
+    loop {
+        write_string_temp("test");
+        sleep(Duration::new(2, 0));
+    }
+}
+
+pub fn proc2() {
+    loop {
+        write_string_temp("proc2");
+        sleep(Duration::new(3, 0));
+    }
+}