%ifndef SETTINGS_DEF %define SETTINGS_DEF MB_VIDEO_MODE equ 1 << 2 ; Use video mode information MB_LOAD_ADDR equ 1 << 16 ; Use custom load addresses ; Multiboot header values. Read the Multiboot specification 0.9.6 ; See http://www.gnu.org/software/grub/manual/multiboot/multiboot.html MB_HDR_MAGIC equ 0x1BADB002 MB_HDR_FLAGS equ MB_LOAD_ADDR | MB_VIDEO_MODE MB_HDR_CHECKSUM equ -(MB_HDR_MAGIC + MB_HDR_FLAGS) ; Video values VID_MODE equ 0 ; 0 = Linear graphics, 1 = EGA text mode VID_WIDTH equ 640 VID_HEIGHT equ 480 VID_DEPTH equ 32 ; Keep everything aligned on 8 byte boundaries KERNEL_LOADADDR equ 0x00100000 KERNEL_STACK equ 0x00103D00 ; Around 5KB for kernel stack RESERVED_SPACE equ 0x00200000 ; Reserve first 2 MB for userland to use %endif