Include file restructure!

- include/ now has subdirs
- standard C headers will be in 'include/c'. Any program can include these
- all other header shall only be used by the kernel

include/ports/io.h

@@ -0,0 +1,32 @@
+#ifndef SYSTEM_H
+#define SYSTEM_H
+
+#include <stdint.h>
+
+// Port functions
+uint8_t inb(uint16_t port) {
+    uint8_t result;
+    asm volatile("inb %1, %0" : "=a"(result) : "Nd"(port));
+    return result;
+}
+
+void outb(uint16_t port, uint8_t data) {
+    asm volatile("outb %0, %1" :: "a"(data), "Nd"(port));
+}
+
+uint16_t inw(uint16_t port) {
+    uint16_t result;
+    asm volatile("inw %1, %0" : "=a"(result) : "Nd"(port));
+    return result;
+}
+
+void outw(uint16_t port, uint16_t data) {
+    asm volatile("outw %0, %1" :: "a"(data), "Nd"(port));
+}
+
+void ioWait() {
+    // Waits ~1 I/O Cycle (Linux uses this so it should be good)
+    asm volatile("outb %%al, $0x80" : : "a"(0));
+}
+
+#endif