use core::mem::size_of;

const HEADER_MAGIC: u32 = 0xe85250d6;

#[repr(C)]
pub struct MultibootHeader {
    magic: u32,
    arch: u32,
    header_length: u32,
    checksum: u32,
    tags: [u8; 0],
    end_tags: (u16, u16, u32),
}

#[link_section = ".multiboot_header"]
pub static MULTIBOOT_HEADER: MultibootHeader = MultibootHeader {
    magic: HEADER_MAGIC,
    arch: 0,
    header_length: size_of::<MultibootHeader>() as u32,
    checksum: -((HEADER_MAGIC + 0 + size_of::<MultibootHeader>() as u32) as i32) as u32,
    tags: [],
    end_tags: (0, 0, 8),
};