feat(keyboard): add distinct module for keyboard

Signed-off-by: Julien CLEMENT <julien.clement@epita.fr>

src/interrupts/pic/keyboard.rs

@@ -0,0 +1,34 @@
+use pc_keyboard::{layouts, DecodedKey, HandleControl, Keyboard, ScancodeSet1};
+use lazy_static::lazy_static;
+use super::{PICS, InterruptIndex};
+use x86_64::instructions::port::Port;
+use spin::{self, Mutex};
+use crate::{print};
+use x86_64::structures::idt::{InterruptStackFrame};
+
+pub const PS2_CONTROLLER_PORT: u16 = 0x60;
+
+pub extern "x86-interrupt" fn keyboard_interrupt_handler(_stack_frame: InterruptStackFrame) {
+    lazy_static! {
+        static ref KEYBOARD: Mutex<Keyboard<layouts::Us104Key, ScancodeSet1>> = Mutex::new(
+            Keyboard::new(layouts::Us104Key, ScancodeSet1, HandleControl::Ignore)
+        );
+    }
+
+    let mut keyboard = KEYBOARD.lock();
+    let mut port = Port::new(PS2_CONTROLLER_PORT);
+    let scancode: u8 = unsafe { port.read() };
+
+    if let Ok(Some(key_event)) = keyboard.add_byte(scancode) {
+        if let Some(key) = keyboard.process_keyevent(key_event) {
+            match key {
+                DecodedKey::Unicode(character) => print!("{}", character),
+                DecodedKey::RawKey(key) => print!("{:?}", key),
+            }
+        }
+    }
+    unsafe {
+        PICS.lock()
+            .notify_end_of_interrupt(InterruptIndex::Keyboard.as_u8());
+    }
+}

src/interrupts/pic/mod.rs

@@ -1,20 +1,15 @@
 use pic8259::ChainedPics;
-use crate::{print, println};
-use lazy_static::lazy_static;
-use pc_keyboard::{layouts, DecodedKey, HandleControl, Keyboard, ScancodeSet1};
-use x86_64::structures::idt::{InterruptStackFrame};
-use x86_64::instructions::port::Port;
-use spin::{self, Mutex};
-pub use pit::timer_interrupt_handler;
+use crate::{println};
+pub use pit::{timer_interrupt_handler};
+pub use keyboard::keyboard_interrupt_handler;
 
 pub mod pit;
+pub mod keyboard;
 
 pub const PIC_1_OFFSET: u8 = 32;
 pub const PIC_2_OFFSET: u8 = PIC_1_OFFSET + 8;
 
 
-pub const PS2_CONTROLLER_PORT: u16 = 0x60;
-
 #[derive(Debug, Clone, Copy)]
 #[repr(u8)]
 pub enum InterruptIndex {
@@ -41,27 +36,3 @@ pub fn init_pic() {
 }
 
 
-pub extern "x86-interrupt" fn keyboard_interrupt_handler(_stack_frame: InterruptStackFrame) {
-    lazy_static! {
-        static ref KEYBOARD: Mutex<Keyboard<layouts::Us104Key, ScancodeSet1>> = Mutex::new(
-            Keyboard::new(layouts::Us104Key, ScancodeSet1, HandleControl::Ignore)
-        );
-    }
-
-    let mut keyboard = KEYBOARD.lock();
-    let mut port = Port::new(PS2_CONTROLLER_PORT);
-    let scancode: u8 = unsafe { port.read() };
-
-    if let Ok(Some(key_event)) = keyboard.add_byte(scancode) {
-        if let Some(key) = keyboard.process_keyevent(key_event) {
-            match key {
-                DecodedKey::Unicode(character) => print!("{}", character),
-                DecodedKey::RawKey(key) => print!("{:?}", key),
-            }
-        }
-    }
-    unsafe {
-        PICS.lock()
-            .notify_end_of_interrupt(InterruptIndex::Keyboard.as_u8());
-    }
-}

src/interrupts/pic/pit.rs

@@ -1,9 +1,16 @@
 use super::{PICS, InterruptIndex};
 use x86_64::structures::idt::InterruptStackFrame;
 
+static mut TICKS: u64 = 0;
+
+pub fn gettick() -> u64 {
+    unsafe { return TICKS }
+
+}
+
 pub extern "x86-interrupt" fn timer_interrupt_handler(_stack_frame: InterruptStackFrame) {
-    // print!(".");
     unsafe {
+        TICKS += 1;
         PICS.lock()
             .notify_end_of_interrupt(InterruptIndex::Timer.as_u8());
     }