global start
extern kmain

section .text
bits 32
start:
	; print `OK` to screen
	; mov dword [0xb8000], 0x2f4b2f4f
	; mov word [0xb8000], 0x0248 ; H
	; mov word [0xb8002], 0x0265 ; e
	; mov word [0xb8004], 0x026c ; l
	; mov word [0xb8006], 0x026c ; l
	; mov word [0xb8008], 0x026f ; o
	; mov word [0xb800a], 0x022c ; ,
	; mov word [0xb800c], 0x0220 ;
	; mov word [0xb800e], 0x0277 ; w
	; mov word [0xb8010], 0x026f ; o
	; mov word [0xb8012], 0x0272 ; r
	; mov word [0xb8014], 0x026c ; l
	; mov word [0xb8016], 0x0264 ; d
	; mov word [0xb8018], 0x0221 ; !
	lgdt [gdt_info]
	call kmain
	hlt

; WARNING: Do not insert random label/lines between gdt_xxx label
gdt_start:
	;TODO GDT entries, like null, kernel code, kernel data, user code, user data, TSS...
gdt_info:
	dw gdt_info - gdt_start - 1
	dq gdt_start

section .bss
	resb 64
head_stack: