global gdt_flush

gdt_flush:
    mov eax, [esp + 4]
    lgdt [eax]
    jmp 0x08:.flush_label   ; long jump to reload CS with new segment
.flush_label:
    mov ax, 0x10
    mov ds, ax
    mov es, ax
    mov fs, ax
    mov gs, ax
    mov ss, ax
    ret