Move serial driver to arch::x86_64::dev::serial

kernel/src/io/keyboard.rs

@@ -1,32 +1,36 @@
-/* use core::{
+use core::{
     pin::Pin,
     task::{Context, Poll},
 };
 
+use crossbeam::queue::ArrayQueue;
+use futures_util::{Stream, StreamExt, task::AtomicWaker};
 use pc_keyboard::{
     DecodedKey, HandleControl, KeyCode, Keyboard, ScancodeSet1,
     layouts::{self, Uk105Key},
 };
 use spin::{Lazy, Mutex, Once};
 
-// static KBD_QUEUE: Once<ArrayQueue<u8>> = Once::new();
-// static WAKER: AtomicWaker = AtomicWaker::new();
+static KBD_QUEUE: Once<ArrayQueue<u8>> = Once::new();
+static WAKER: AtomicWaker = AtomicWaker::new();
 
-pub static KEYBOARD: Lazy<Mutex<Keyboard<Uk105Key, ScancodeSet1>>> = Lazy::new(|| {
-    Mutex::new(Keyboard::new(
-        ScancodeSet1::new(),
-        // TODO: Expose an API to change the default KB layout.
-        layouts::Uk105Key,
-        HandleControl::Ignore,
-    ))
-});
+pub static KEYBOARD: Lazy<Mutex<Keyboard<Uk105Key, ScancodeSet1>>> =
+    Lazy::new(|| {
+        Mutex::new(Keyboard::new(
+            ScancodeSet1::new(),
+            // TODO: Expose an API to change the default KB layout.
+            layouts::Uk105Key,
+            HandleControl::Ignore,
+        ))
+    });
 pub static SCANCODE_STREAM: Lazy<Mutex<ScancodeStream>> =
     Lazy::new(|| Mutex::new(ScancodeStream::new()));
 
 pub fn add_scancode(scancode: u8) {
     if let Some(queue) = KBD_QUEUE.get() {
         if queue.push(scancode).is_err() {
-            // println!("WARNING: scancode queue full; dropping keyboard input");
+            // println!("WARNING: scancode queue full; dropping keyboard
+            // input");
         } else {
             WAKER.wake();
         }
@@ -59,7 +63,10 @@ impl Default for ScancodeStream {
 impl Stream for ScancodeStream {
     type Item = u8;
 
-    fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
+    fn poll_next(
+        self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+    ) -> Poll<Option<Self::Item>> {
         let queue = KBD_QUEUE.get().unwrap();
 
         if let Some(scancode) = queue.pop() {
@@ -200,4 +207,3 @@ impl core::fmt::Display for KeyStroke {
         }
     }
 }
- */