chore: logger: show caller

kernel/src/entry.rs

@@ -9,7 +9,7 @@ use crate::plat::timer::{Timer, TimerOps};
 use crate::plat::trap::{Trap, TrapOps};
 
 #[thread_local]
-static HART_ID: Cell<usize> = Cell::new(0);
+pub static HART_ID: Cell<usize> = Cell::new(0);
 
 #[no_mangle]
 pub extern "C" fn rust_main(hart_id: usize, device_tree_addr: usize) -> ! {

kernel/src/logging.rs

@@ -31,11 +31,13 @@ impl Log for SimpleLogger {
 
         RawConsole
             .write_fmt(format_args!(
-                "{}[{}] {}{}\n",
-                color_prefix,
+                "{color_prefix}[{}] [{}] {}{color_reset}\n",
                 record.level(),
+                record
+                    .module_path_static()
+                    .or_else(|| record.module_path())
+                    .unwrap_or("<n/a>"),
                 record.args(),
-                color_reset
             ))
             .unwrap();
     }