3 files changed, 8 insertions, 97 deletions

diff --git a/apps/a.c b/apps/a.c
index 45375c9..040a454 100644
--- a/apps/a.c
+++ b/apps/a.c
@@ -1,41 +1,11 @@
 // 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()
 {
 	while (1) {
-		serial_print("a");
+		print("a");
 	}
 }
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");
 	}
 }
diff --git a/apps/init.c b/apps/init.c
index c35f26f..91f5083 100644
--- a/apps/init.c
+++ b/apps/init.c
@@ -1,43 +1,14 @@
 // MIT License, Copyright (c) 2020 Marvin Borner
 
 #include <def.h>
+#include <print.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]);
-}
-
 void main()
 {
-	serial_print("Init loaded\n");
+	print("Init loaded\n");
 	__asm__ volatile("int $0x80");
 	while (1) {
-		serial_print("b");
+		print("b");
 	};
 }