36 lines
2.3 KiB
PHP
36 lines
2.3 KiB
PHP
;=----------------------------------------------------------------------------=;
|
|
; OS on Kaleid ;
|
|
; ;
|
|
; Desc: Multiboot useful functions ;
|
|
; (x86_64 architecture only) ;
|
|
; ;
|
|
; ;
|
|
; Copyright © 2018-2020 The OS/K Team ;
|
|
; ;
|
|
; This file is part of OS/K. ;
|
|
; ;
|
|
; OS/K is free software: you can redistribute it and/or modify ;
|
|
; it under the terms of the GNU General Public License as published by ;
|
|
; the Free Software Foundation, either version 3 of the License, or ;
|
|
; (at your option) any later version. ;
|
|
; ;
|
|
; OS/K is distributed in the hope that it will be useful, ;
|
|
; but WITHOUT ANY WARRANTY; without even the implied warranty of ;
|
|
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;
|
|
; GNU General Public License for more details. ;
|
|
; ;
|
|
; You should have received a copy of the GNU General Public License ;
|
|
; along with OS/K. If not, see <https://www.gnu.org/licenses/>. ;
|
|
;=----------------------------------------------------------------------------=;
|
|
|
|
; ---------------------------------------------------------------------------- ;
|
|
; Multiboot check function to ensure we are launch by GRUB ;
|
|
; ---------------------------------------------------------------------------- ;
|
|
MB_check:
|
|
cmp ecx, MB_GRUB_MAGIC ; The magic number must be in ecx
|
|
jne .no_MB
|
|
ret
|
|
.no_MB:
|
|
mov ax, "01" ; ERROR 01 : No multiboot
|
|
jmp Error
|