blob: 7eec56d16495ee5a50cea94ab629a61a4d800abb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
[org 0x7E00]
%define PAGETABLE 0x1000
%define VESAINFO 0x0500
%define VESAMODE VESAINFO+512
%define OWNMODE VESAMODE+256
%define GFXINFO PAGETABLE-10
;%define MEMMAPCNT GFXINFO-2
%define MEMMAP 0x500
setup:
; print message
mov ebx, .msg
call print_str
; setup VESA
call vesa
; get extended memory map
call mmap
; build page table
call paging
; jump into long mode
jmp 0x0008:long_mode
.msg:
db 10, 13, "cuddles stage2", 10, 13, 0
%include "stage2/vesa.asm"
%include "stage2/mmap.asm"
%include "stage2/paging.asm"
%include "stage1/print.asm"
[bits 64]
long_mode:
; setup segment registers
mov ax, 0x0010
mov ds, ax
mov es, ax
mov fs, ax
mov gs, ax
mov ss, ax
; kernel begins here
|