.global null_handler

null_handler:
    hlt
    jmp null_handler

.global kbd_handler

kbd_handler:
    push %rax
    push %rcx
    push %rdx
    push %rsi
    push %rdi
    push %r8
    push %r9
    push %r10
    push %r11
    call keyboard_int_proc
    pop %r11
    pop %r10
    pop %r9
    pop %r8
    pop %rdi
    pop %rsi
    pop %rdx
    pop %rcx
    pop %rax
    iretq