lunaix-os/arch/i386/hal/pic.h

   1 #ifndef __LUNAIX_PIC_H
   2 #define __LUNAIX_PIC_H
   3 // FUTURE: Full PIC implementation for fall back when no APIC is detected.
   4
   5 static inline void
   6 pic_disable()
   7 {
   8     // ref: https://wiki.osdev.org/8259_PIC
   9     asm volatile("movb $0xff, %al\n"
  10                  "outb %al, $0xa1\n"
  11                  "outb %al, $0x21\n");
  12 }
  13
  14 #endif /* __LUNAIX_PIC_H */