From d14ad3a912da850e5b45cf7aee1da188939b4d2c Mon Sep 17 00:00:00 2001
From: Julien CLEMENT <julien.clement@epita.fr>
Date: Thu, 21 Apr 2022 16:47:56 +0200
Subject: [PATCH] feat(pic): create pit module

Signed-off-by: Julien CLEMENT <julien.clement@epita.fr>
---
 .gitignore                |  1 +
 src/interrupts/pic/mod.rs | 10 +++-------
 src/interrupts/pic/pit.rs | 10 ++++++++++
 3 files changed, 14 insertions(+), 7 deletions(-)
 create mode 100644 src/interrupts/pic/pit.rs

diff --git a/.gitignore b/.gitignore
index 43b75fd..636f6a8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ iso
 julios
 .gdb_history
 peda-session-julios.txt
+*.swp
diff --git a/src/interrupts/pic/mod.rs b/src/interrupts/pic/mod.rs
index b31e83a..04d9e55 100644
--- a/src/interrupts/pic/mod.rs
+++ b/src/interrupts/pic/mod.rs
@@ -5,6 +5,9 @@ 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;
+
+pub mod pit;
 
 pub const PIC_1_OFFSET: u8 = 32;
 pub const PIC_2_OFFSET: u8 = PIC_1_OFFSET + 8;
@@ -37,13 +40,6 @@ pub fn init_pic() {
     unsafe { PICS.lock().initialize() };
 }
 
-pub extern "x86-interrupt" fn timer_interrupt_handler(_stack_frame: InterruptStackFrame) {
-    // print!(".");
-    unsafe {
-        PICS.lock()
-            .notify_end_of_interrupt(InterruptIndex::Timer.as_u8());
-    }
-}
 
 pub extern "x86-interrupt" fn keyboard_interrupt_handler(_stack_frame: InterruptStackFrame) {
     lazy_static! {
diff --git a/src/interrupts/pic/pit.rs b/src/interrupts/pic/pit.rs
new file mode 100644
index 0000000..f8f7376
--- /dev/null
+++ b/src/interrupts/pic/pit.rs
@@ -0,0 +1,10 @@
+use super::{PICS, InterruptIndex};
+use x86_64::structures::idt::InterruptStackFrame;
+
+pub extern "x86-interrupt" fn timer_interrupt_handler(_stack_frame: InterruptStackFrame) {
+    // print!(".");
+    unsafe {
+        PICS.lock()
+            .notify_end_of_interrupt(InterruptIndex::Timer.as_u8());
+    }
+}