From 544acef0986977ef9d3a05d87bb9f55163b1280a Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sun, 9 Aug 2020 17:27:08 +0200
Subject: Temporary cpu and serial drivers in libc

---
 apps/b.c | 36 +++---------------------------------
 1 file changed, 3 insertions(+), 33 deletions(-)

(limited to 'apps/b.c')

diff --git a/apps/b.c b/apps/b.c
index 20ca888..1ed9249 100644
--- a/apps/b.c
+++ b/apps/b.c
@@ -1,42 +1,12 @@
 // MIT License, Copyright (c) 2020 Marvin Borner
 
 #include <def.h>
-#include <str.h>
-
-u8 inb(u16 port)
-{
-	u8 value;
-	__asm__ volatile("inb %1, %0" : "=a"(value) : "Nd"(port));
-	return value;
-}
-
-void outb(u16 port, u8 data)
-{
-	__asm__ volatile("outb %0, %1" ::"a"(data), "Nd"(port));
-}
-
-int is_transmit_empty()
-{
-	return inb(0x3f8 + 5) & 0x20;
-}
-
-void serial_put(char ch)
-{
-	while (is_transmit_empty() == 0)
-		;
-	outb(0x3f8, (u8)ch);
-}
-
-void serial_print(const char *data)
-{
-	for (u32 i = 0; i < strlen(data); i++)
-		serial_put(data[i]);
-}
+#include <print.h>
 
 void main()
 {
-	serial_print("\nB loaded\n");
+	print("\nB loaded\n");
 	while (1) {
-		serial_print("b");
+		print("b");
 	}
 }
-- 
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