Removed serial driver from userspace

4 files changed, 1 insertions, 46 deletions

diff --git a/libc/Makefile b/libc/Makefile
index eb79983..9ac6c67 100644
--- a/libc/Makefile
+++ b/libc/Makefile
@@ -7,7 +7,6 @@ COBJS = sanitize.o \
 	math.o \
 	conv.o \
 	print.o \
-	serial.o \
 	cpu.o \
 	sys.o \
 	list.o \
diff --git a/libc/inc/serial.h b/libc/inc/serial.h
deleted file mode 100644
index 4d04d6a..0000000
--- a/libc/inc/serial.h
+++ /dev/null
@@ -1,9 +0,0 @@
-// MIT License, Copyright (c) 2020 Marvin Borner
-
-#ifndef SERIAL_H
-#define SERIAL_H
-
-void serial_install(void);
-void serial_print(const char *data);
-
-#endif
diff --git a/libc/print.c b/libc/print.c
index ef51e1f..91ecf8f 100644
--- a/libc/print.c
+++ b/libc/print.c
@@ -6,7 +6,6 @@
 #include <cpu.h>
 #include <def.h>
 #include <mem.h>
-#include <serial.h>
 #include <str.h>
 
 static void append(char *dest, char *src, int index)
@@ -160,6 +159,7 @@ int print(const char *str)
 // The kernel prints everything into the serial console
 
 #include <proc.h>
+#include <serial.h>
 #define RED "\x1B[1;31m"
 #define GRN "\x1B[1;32m"
 #define YEL "\x1B[1;33m"
diff --git a/libc/serial.c b/libc/serial.c
deleted file mode 100644
index b11ac26..0000000
--- a/libc/serial.c
+++ /dev/null
@@ -1,35 +0,0 @@
-// MIT License, Copyright (c) 2020 Marvin Borner
-
-#include <cpu.h>
-#include <def.h>
-#include <serial.h>
-#include <str.h>
-
-void serial_install(void)
-{
-	outb(0x3f8 + 1, 0x00);
-	outb(0x3f8 + 3, 0x80);
-	outb(0x3f8 + 0, 0x03);
-	outb(0x3f8 + 1, 0x00);
-	outb(0x3f8 + 3, 0x03);
-	outb(0x3f8 + 2, 0xC7);
-	outb(0x3f8 + 4, 0x0B);
-}
-
-static int is_transmit_empty(void)
-{
-	return inb(0x3f8 + 5) & 0x20;
-}
-
-static 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]);
-}