keyboard.asm

pyos is a teach operater system build by a chinese student

[BITS 32]

[GLOBAL keyboard_asm_handle_for_keyboard_interrupt]
[EXTERN keyboard_handle_for_keyboard_interrupt]

[SECTION .text]

keyboard_asm_handle_for_keyboard_interrupt:
  pushad
  call              keyboard_handle_for_keyboard_interrupt
  
  ;;告诉硬件,中断处理完毕,即发送 EOI 消息
  mov               al , 0x20
  out               0x20 , al 
  out               0xa0 , al
  
  popad
  iret