arch/x86_64-pc/kernel/kernel_arch.h

   1 /* Machine-specific definitions for IBM PC hardware */
   2
   3 /* Currently we support only XT-PIC and have 16 IRQs */
   4 #define IRQ_COUNT 16
   5
   6 /* We have several types of IRQ handlers and distinguish them by node type */
   7 #define KBL_INTERNAL 0
   8 #define KBL_XTPIC    1
   9 #define KBL_APIC     2
  10
  11 /* Interrupt controller functions */
  12 void ictl_enable_irq(unsigned char irq, struct KernelBase *KernelBase);
  13
  14 /* Originally we didn't have disable function. Perhaps there was some reason. */
  15 #define ictl_disable_irq(irq, base)