update v2

kernel/src/panic.rs

@@ -0,0 +1,27 @@
+//! Panic handler for AIOS v2
+
+use core::panic::PanicInfo;
+use crate::console;
+
+#[panic_handler]
+fn panic(info: &PanicInfo) -> ! {
+    console::print("\n!!! KERNEL PANIC !!!\n");
+    if let Some(location) = info.location() {
+        console::print("Location: ");
+        console::print(location.file());
+        console::print(":");
+        // TODO: Convert line number to string
+        console::print("\n");
+    }
+    
+    console::print("Message: ");
+    console::print("Kernel panic occurred\n");
+    
+    console::print("System halted.\n");
+    
+    loop {
+        unsafe {
+            core::arch::asm!("hlt");
+        }
+    }
+}