From 16b7b4c2c008c976ee5948c97a8337d6224c3be9 Mon Sep 17 00:00:00 2001
From: Freya Murphy <freya@freyacat.org>
Date: Thu, 3 Apr 2025 21:32:00 -0400
Subject: add 64-bit idt/pic and fix paging

---
 kernel/io/io.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

(limited to 'kernel/io/io.c')

diff --git a/kernel/io/io.c b/kernel/io/io.c
index a68114d..11acfdb 100644
--- a/kernel/io/io.c
+++ b/kernel/io/io.c
@@ -1,9 +1,16 @@
 #include <lib.h>
 #include <stdio.h>
+#include <comus/asm.h>
+
+#define PORT 0x3F8
+static void serial_out(uint8_t ch) {
+	// wait for output to be free
+	while ((inb(PORT + 5) & 0x20) == 0);
+	outb(PORT, ch);
+}
 
 void fputc(FILE *stream, char c) {
 	(void) stream;
-	(void) c;
 
-	// FIXME: !!!
+	serial_out(c);
 }
-- 
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