Temporary cpu and serial drivers in libc

2 files changed, 0 insertions, 101 deletions

diff --git a/kernel/drivers/cpu.c b/kernel/drivers/cpu.c
deleted file mode 100644
index 5c27c51..0000000
--- a/kernel/drivers/cpu.c
+++ /dev/null
@@ -1,69 +0,0 @@
-// MIT License, Copyright (c) 2020 Marvin Borner
-// This file is a wrapper around some CPU asm calls
-
-#include <def.h>
-
-u8 inb(u16 port)
-{
-	u8 value;
-	__asm__ volatile("inb %1, %0" : "=a"(value) : "Nd"(port));
-	return value;
-}
-
-u16 inw(u16 port)
-{
-	u16 value;
-	__asm__ volatile("inw %1, %0" : "=a"(value) : "Nd"(port));
-	return value;
-}
-
-u32 inl(u16 port)
-{
-	u32 value;
-	__asm__ volatile("inl %1, %0" : "=a"(value) : "Nd"(port));
-	return value;
-}
-
-void insl(u16 port, void *addr, int n)
-{
-	__asm__ volatile("cld; rep insl"
-			 : "=D"(addr), "=c"(n)
-			 : "d"(port), "0"(addr), "1"(n)
-			 : "memory", "cc");
-}
-
-void outb(u16 port, u8 data)
-{
-	__asm__ volatile("outb %0, %1" ::"a"(data), "Nd"(port));
-}
-
-void outw(u16 port, u16 data)
-{
-	__asm__ volatile("outw %0, %1" ::"a"(data), "Nd"(port));
-}
-
-void outl(u16 port, u32 data)
-{
-	__asm__ volatile("outl %0, %1" ::"a"(data), "Nd"(port));
-}
-
-void cli()
-{
-	__asm__ volatile("cli");
-}
-
-void sti()
-{
-	__asm__ volatile("sti");
-}
-
-void hlt()
-{
-	__asm__ volatile("hlt");
-}
-
-void idle()
-{
-	while (1)
-		hlt();
-}
diff --git a/kernel/drivers/serial.c b/kernel/drivers/serial.c
deleted file mode 100644
index dcee4dd..0000000
--- a/kernel/drivers/serial.c
+++ /dev/null
@@ -1,32 +0,0 @@
-#include <cpu.h>
-#include <def.h>
-#include <str.h>
-
-void serial_install()
-{
-	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);
-}
-
-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]);
-}