os-k/boot/loader/multiboot/header.inc

39 lines
2.5 KiB
PHP
Raw Normal View History

;=----------------------------------------------------------------------------=;
2020-09-27 17:33:48 +02:00
; OS on Kaleid ;
; ;
; Desc: Multiboot header ;
; (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 HEADER
MB_AOUT_KLUDGE equ 0 << 16 ; if we are not an ELF executable
2019-03-08 21:56:01 +01:00
MB_ALIGN equ 1 << 0 ; Ask to align loaded modules on page boundaries
MB_MEMINFO equ 1 << 1 ; Ask to provide memory map
2019-03-22 15:03:41 +01:00
MB_VIDEOINFO equ 1 << 2 ; Ask to provide video infos
MB_VIDEO_MODE equ 0x1 ; Text mode
2019-05-23 10:40:50 +02:00
MB_VIDEO_WIDTH equ 80
MB_VIDEO_HEIGHT equ 43
2019-03-22 15:03:41 +01:00
MB_VIDEO_DEPTH equ 0x0
MB_HEADER_MAGIC equ 0x1badb002
MB_GRUB_MAGIC equ 0x2badb002
2019-03-22 15:03:41 +01:00
MB_HEADER_FLAGS equ MB_AOUT_KLUDGE|MB_ALIGN|MB_MEMINFO|MB_VIDEOINFO
CHECKSUM equ -(MB_HEADER_MAGIC + MB_HEADER_FLAGS)