kernel: Create dpc for keyboard interrupt, so it doesn't block other dpcs (like hardclock)

Author: Lockna

kernel/src/arch/amd64/interrupts/mod.rs

@@ -3,7 +3,7 @@ pub mod idt;
 use crate::arch::amd64::apic::APIC;
 use crate::arch::amd64::{ports::outb, read_cr2};
 use crate::dpc::dispatch_dpcs;
-use crate::drivers::ps2::keyboard::keyboard;
+use crate::drivers::ps2::keyboard::keyboard_handler;
 use crate::sched::context::TrapFrame;
 use core::arch::asm;
 use core::sync::atomic::{compiler_fence, Ordering};
@@ -26,7 +26,7 @@ pub fn init() {
     handlers[0xF0] = IRQHandler::Handler(apic_spurious_interrupt);
     // TODO: allocate vectors accordingly or manually set all known interrupt handlers here
     handlers[0x2f] = IRQHandler::Handler(dispatch_dpcs);
-    handlers[0xd0] = IRQHandler::Handler(keyboard);
+    handlers[0xd0] = IRQHandler::Handler(keyboard_handler);
 }
 
 #[no_mangle]

kernel/src/drivers/ps2/keyboard.rs

@@ -1,6 +1,18 @@
-use crate::{arch::amd64::ports::inb, sched::context::TrapFrame};
+use alloc::boxed::Box;
 
-pub fn keyboard(_: &mut TrapFrame) {
+use crate::{
+    arch::amd64::ports::inb,
+    dpc::{enqueue_dpc, Dpc},
+    sched::context::TrapFrame,
+};
+
+pub fn keyboard_handler(_: &mut TrapFrame) {
+    let dpc = Dpc::new(keyboard, ());
+
+    enqueue_dpc(Box::new(dpc));
+}
+
+pub fn keyboard<T>(_: T) {
     dbg!("keyboard hit");
     let scancode = unsafe { inb(0x60) };
     dbg!("scancode: {}", scancode);