From a0e8c673a5f3ea416a8e60a521086afd21e594da Mon Sep 17 00:00:00 2001
From: Yifan Wu <shinbokuow@163.com>
Date: Tue, 28 Mar 2023 23:42:48 +0800
Subject: [PATCH] Use error! instead of println! when panicking

---
 os/src/lang_items.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/os/src/lang_items.rs b/os/src/lang_items.rs
index 68d736ec..021f16fa 100644
--- a/os/src/lang_items.rs
+++ b/os/src/lang_items.rs
@@ -2,18 +2,19 @@ use crate::sbi::shutdown;
 use crate::task::current_kstack_top;
 use core::arch::asm;
 use core::panic::PanicInfo;
+use log::*;
 
 #[panic_handler]
 fn panic(info: &PanicInfo) -> ! {
     if let Some(location) = info.location() {
-        println!(
+        error!(
             "[kernel] Panicked at {}:{} {}",
             location.file(),
             location.line(),
             info.message().unwrap()
         );
     } else {
-        println!("[kernel] Panicked: {}", info.message().unwrap());
+        error!("[kernel] Panicked: {}", info.message().unwrap());
     }
     unsafe {
         backtrace();