Add in|out*{b|w|l} functions for port IO

arch/x64/processor.hh

@@ -155,6 +155,46 @@ namespace processor {
 	    asm volatile ("cli; hlt");
 	}
 
+	inline u8 inb (u16 port)
+	{
+		u8 r;
+		asm volatile ("inb %1, %0":"=a" (r):"dN" (port));
+		return r;
+	}
+
+	inline u16 inw (u16 port)
+	{
+		u16 r;
+		asm volatile ("inw %1, %0":"=a" (r):"dN" (port));
+		return r;
+	}
+
+	inline u32 inl (u16 port)
+	{
+		u32 r;
+		asm volatile ("inl %1, %0":"=a" (r):"dN" (port));
+		return r;
+	}
+
+	inline void outb (u8 val, u16 port)
+	{
+		asm volatile ("outb %0, %1"::"a" (val), "dN" (port));
+
+	}
+
+	inline void outw (u16 val, u16 port)
+	{
+		asm volatile ("outw %0, %1"::"a" (val), "dN" (port));
+
+	}
+
+	inline void outl (u32 val, u16 port)
+	{
+		asm volatile ("outl %0, %1"::"a" (val), "dN" (port));
+
+	}
+
+
     };
 
 };