cos2000v2/system/multiboot.asm

;/*******************************************************************************/
;/* COS2000 - Compatible Operating System - LGPL v3 - Hordé Nicolas             */
;/*                                                                             */
[BITS 32]
		
SECTION .multiboot

%define MULTIBOOT_TAG_ALIGN 8
%define MULTIBOOT2_HEADER_MAGIC 0xe85250d6
%define MULTIBOOT_ARCHITECTURE_I386 0

%define MULTIBOOT_HEADER_TAG_OPTIONAL 1

%define MULTIBOOT_HEADER_TAG_CONSOLE_FLAGS 4

%define MULTIBOOT_HEADER_TAG_FRAMEBUFFER 5

%define MULTIBOOT_HEADER_TAG_END 0

%define MULTIBOOT_CONSOLE_FLAGS_EGA_TEXT_SUPPORTED 2

%defstr arch ARCH

multiboot_header:
align MULTIBOOT_TAG_ALIGN
    dd MULTIBOOT2_HEADER_MAGIC      ; magic
    dd MULTIBOOT_ARCHITECTURE_I386  ; architecture
    dd multiboot_header_end - multiboot_header
    dd -(MULTIBOOT2_HEADER_MAGIC + MULTIBOOT_ARCHITECTURE_I386 + (multiboot_header_end - multiboot_header))
align MULTIBOOT_TAG_ALIGN
framebuffer_tag_start:
%warning "Avec le FRAMEBUFFER VESA." 
    dw MULTIBOOT_HEADER_TAG_FRAMEBUFFER ; type
    dw MULTIBOOT_HEADER_TAG_OPTIONAL    ; flags
    dd framebuffer_tag_end - framebuffer_tag_start
    dd 1024                            ; width
    dd 768                             ; height
    dd 32                              ; depth
align MULTIBOOT_TAG_ALIGN
framebuffer_tag_end: 
    dw MULTIBOOT_HEADER_TAG_END
    dw 0
    dd 8
multiboot_header_end:

SECTION .text

global start
extern main

start:
	push ebx
    push eax
	call main
	hlt