Wrote inb and outb for <sys/io.h>

arch/i386/inb.c

@@ -0,0 +1,12 @@
+#include <sys/io.h>
+
+/*
+  This was practically copied from musl, but it's 
+  not like there's much there to copy anyways.
+  -Kat
+ */
+unsigned char inb(unsigned short int port) {
+  unsigned short val;
+  __asm__ volatile("inb %1,%0" : "=a" (val) : "dN" (port));
+  return val;
+}

arch/i386/make.config

@@ -4,5 +4,7 @@ KERNEL_ARCH_CFLAGS=
 KERNEL_ARCH_CPPFLAGS=
 
 ARCH_FREEOBJS=\
+$(ARCHDIR)/inb.o \
+$(ARCHDIR)/outb.o
 
 ARCH_HOSTEDOBJS=\

arch/i386/outb.c

@@ -0,0 +1,10 @@
+#include <sys/io.h>
+
+/*
+  This was also practically lifted
+  from musl.
+  -Kat
+ */
+void outb(unsigned char val, unsigned short port) {
+  __asm__ volatile("outb %0,%1" : : "a" (val), "dN" (port));
+}

include/sys/io.h

@@ -12,6 +12,8 @@
 #ifndef _SYS_IO_H
 #define _SYS_IO_H
 
-extern unsigned char inb(unsigned short int port);
+unsigned char inb(unsigned short int port);
+
+void outb(unsigned char val, unsigned short port);
 
 #endif