kernel/arch/x86/irq/sample_handler.c

   1 #include <tty.h>
   2 #include <irq/i8259a.h>
   3 #include <io.h>
   4 #include <stdint.h>
   5
   6 typedef uint32_t uword_t;
   7
   8 struct interrupt_frame {
   9         uword_t ip;
  10         uword_t cs;
  11         uword_t flags;
  12 };
  13
  14 struct abort_frame;
  15
  16 __attribute__((interrupt))
  17 void keyb_handler(struct interrupt_frame *frame)
  18 {
  19         pic_send_eoi(1);
  20         kprint("Got a keyboard interrupt!\n", 0);
  21         inb(0x60);
  22 }
  23
  24
  25 __attribute__((interrupt))
  26 void double_fault(struct abort_frame *frame)
  27 {
  28         *(volatile uint32_t *) (0xb8000) = 0xcf28cf3a;
  29 halt:
  30         asm volatile ("cli; hlt");
  31         goto halt;
  32 }
  33