diff --git a/kernel/include/kernel/IO.h b/kernel/include/kernel/IO.h
index 711953e4..81eafe12 100644
--- a/kernel/include/kernel/IO.h
+++ b/kernel/include/kernel/IO.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <stdint.h>
+#include <stddef.h>
 
 namespace IO
 {
@@ -29,6 +30,33 @@ namespace IO
 		return ret;
 	}
 
+	static inline void outl(uint16_t port, uint32_t val)
+	{
+		asm volatile("outl %0, %1" : : "a"(val), "Nd"(port));
+	}
+
+	static inline uint32_t inl(uint16_t port)
+	{
+		uint32_t ret;
+		asm volatile("inl %1, %0" : "=a"(ret) : "Nd"(port));
+		return ret;
+	}
+
+	static inline void insb(uint16_t port, uint8_t* buffer, size_t count)
+	{
+		asm volatile("rep insb" : "+D"(buffer), "+c"(count), "=m"(*buffer) : "Nd"(port) : "memory");
+	}
+
+	static inline void insw(uint16_t port, uint16_t* buffer, size_t count)
+	{
+		asm volatile("rep insw" : "+D"(buffer), "+c"(count), "=m"(*buffer) : "Nd"(port) : "memory");
+	}
+
+	static inline void insl(uint16_t port, uint32_t* buffer, size_t count)
+	{
+		asm volatile("rep insl" : "+D"(buffer), "+c"(count), "=m"(*buffer) : "Nd"(port) : "memory");
+	}
+
 	static inline void io_wait()
 	{
 		outb(0x80, 0);