basic keyboard interrupt

src/interrupts.rs

@@ -16,6 +16,9 @@ lazy_static! {
         }
         idt[InterruptIndex::Timer.as_usize()]
             .set_handler_fn(timer_interrupt_handler);
+        
+        idt[InterruptIndex::Keyboard.as_usize()]
+            .set_handler_fn(keyboard_interrupt_handler);
 
         idt
     };
@@ -53,6 +56,7 @@ pub static PICS: spin::Mutex<ChainedPics> =
 #[repr(u8)]
 pub enum InterruptIndex {
     Timer = PIC_1_OFFSET,
+    Keyboard,
 }
 
 impl InterruptIndex {
@@ -74,4 +78,18 @@ extern "x86-interrupt" fn timer_interrupt_handler(
         PICS.lock()
             .notify_end_of_interrupt(InterruptIndex::Timer.as_u8());
     }
+}
+extern "x86-interrupt" fn keyboard_interrupt_handler(
+    _stack_frame: InterruptStackFrame)
+{
+    use x86_64::instructions::port::Port;
+
+    let mut port = Port::new(0x60);
+    let scancode: u8 = unsafe { port.read() };
+    print!("{}", scancode);
+
+    unsafe {
+        PICS.lock()
+            .notify_end_of_interrupt(InterruptIndex::Keyboard.as_u8());
+    }
 }