1 files changed, 25 insertions, 22 deletions
diff --git a/mdk-stage1/dietlibc/include/sys/io.h b/mdk-stage1/dietlibc/include/sys/io.h
index cce841735..5edf33a57 100644
--- a/mdk-stage1/dietlibc/include/sys/io.h
+++ b/mdk-stage1/dietlibc/include/sys/io.h
@@ -1,41 +1,44 @@
-#ifndef _IO_H
-#define _IO_H
+#ifndef _SYS_IO_H
+#define _SYS_IO_H
 
-int ioperm(unsigned long from, unsigned long num, int turn_on) __THROW;
+#include <sys/cdefs.h>
 
-#ifdef __i386__
-
-static __inline void
-outb (unsigned char value, unsigned short int port)
-{
-  __asm__ __volatile__ ("outb %b0,%w1": :"a" (value), "Nd" (port));
-}
+extern int ioperm(unsigned long from, unsigned long num, int turn_on) __THROW;
+extern int iopl(int level) __THROW;
 
-static __inline unsigned char
-inb (unsigned short int port)
-{
+#ifndef __STRICT_ANSI__
+/* anyone have a cleaner solution for this mess? */
+#ifdef __i386__
+static inline unsigned char inb (unsigned short int port) {
   unsigned char _v;
-
   __asm__ __volatile__ ("inb %w1,%0":"=a" (_v):"Nd" (port));
   return _v;
 }
 
-static __inline unsigned short int
-inw (unsigned short int port)
-{
+static inline unsigned short inw (unsigned short int port) {
   unsigned short _v;
-
   __asm__ __volatile__ ("inw %w1,%0":"=a" (_v):"Nd" (port));
   return _v;
 }
 
-static __inline void
-outw (unsigned short int value, unsigned short int port)
-{
-  __asm__ __volatile__ ("outw %w0,%w1": :"a" (value), "Nd" (port));
+static inline unsigned int inl (unsigned short int port) {
+  unsigned int _v;
+  __asm__ __volatile__ ("inl %w1,%0":"=a" (_v):"Nd" (port));
+  return _v;
+}
+
+static inline void outb (unsigned char value, unsigned short int port) {
+  __asm__ __volatile__ ("outb %b0,%w1": :"a" (value), "Nd" (port));
+}
 
+static inline void outw (unsigned short value, unsigned short int port) {
+  __asm__ __volatile__ ("outw %w0,%w1": :"a" (value), "Nd" (port));
 }
 
+static inline void outl (unsigned int value, unsigned short int port) {
+  __asm__ __volatile__ ("outl %0,%w1": :"a" (value), "Nd" (port));
+}
+#endif
 #endif
 
 #endif