From 45283c43460900d080478973c873339b5db3013e Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Sun, 27 Mar 2022 14:47:50 +0200
Subject: kernel/tty: poll only on IRQs, don't burn cycles

---
 src/kernel/arch/i386/interrupts/isr.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/kernel/arch/i386/interrupts/isr.c')

diff --git a/src/kernel/arch/i386/interrupts/isr.c b/src/kernel/arch/i386/interrupts/isr.c
index 1448f44..cc90fae 100644
--- a/src/kernel/arch/i386/interrupts/isr.c
+++ b/src/kernel/arch/i386/interrupts/isr.c
@@ -24,6 +24,10 @@ void isr_stage3(int interrupt) {
 			irq_eoi(1);
 			return;
 
+		case 0x24:; // COM1 irq
+			irq_eoi(1);
+			return;
+
 		default:
 			// TODO check if the exception was in the kernel
 			process_kill(process_current, interrupt);
-- 
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