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; MIT License, Copyright (c) 2021 Marvin Borner
; Exit the bootloader and clear registers
bits 32
; Empty (invalid) idt
idt:
dd 0, 0
global jmp_kernel
jmp_kernel:
cli ; Disable interrupts because of invalid idt
lidt [idt] ; Load empty (invalid) idt
xor eax, eax
lldt ax ; Clear LDT by pointing to nothing
add esp, 4
pop edi
add esp, 4
mov eax, 0x00000001
mov cr0, eax ; Clear cr0 except protected mode
xor eax, eax
mov cr4, eax ; Clear cr4 completely
call edi ; Call custom (specified) jumper
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