wip: pic. sending to continue on main pc

kernel/include/io.h

@@ -1,3 +1,6 @@
+#ifndef IO_H
+#define IO_H
+
 static inline void outb(unsigned short port, unsigned char val) {
     __asm__ volatile( 
         "outb %0, %1" 
@@ -15,4 +18,8 @@ static inline unsigned char inb(unsigned short port) {
     );
 
     return ret;
-}
+}
+
+void io_wait();
+
+#endif

kernel/include/pic.h

@@ -0,0 +1,4 @@
+#ifndef PIC_H
+#define PIC_H
+
+#endif

kernel/include/vmm.h

@@ -19,7 +19,6 @@
 #define PTE_GET_ADDR(entry)  ((entry) & PTE_ADDR_MASK)  // get physical address
 #define PTE_GET_FLAGS(entry) ((entry) & ~PTE_ADDR_MASK) // get flags
 
-
 #define VMM_PT_INDEX(virt)   (((virt) >> 12) & 0x1FF) // Table Index (bits 12-20)
 #define VMM_PD_INDEX(virt)   (((virt) >> 21) & 0x1FF) // Page Directory Index (bits 21-29) 
 #define VMM_PDPT_INDEX(virt) (((virt) >> 30) & 0x1FF) // PDPT Index (bits 30-38)