#include <stdint.h>

struct multiboot_aout_symbol_table_t
{
    uint32_t tabsize;
    uint32_t strsize;
    uint32_t addr;
    uint32_t reserved;
} __attribute__((packed));

struct multiboot_elf_section_header_table_t
{
    uint32_t num;
    uint32_t size;
    uint32_t addr;
    uint32_t shndx;
} __attribute__((packed));

struct vbe_info_t {
    uint16_t attributes;
    uint8_t winA, winB;
    uint16_t granularity;
    uint16_t winsize;
    uint16_t segmentA, segmentB;
    uint32_t realFctPtr;
    uint16_t pitch;
    uint16_t Xres, Yres;
    uint8_t Wchar, Ychar, planes, bpp, banks;
    uint8_t memory_model, bank_size, image_pages;
    uint8_t reserved0;
    uint8_t red_mask, red_position;
    uint8_t green_mask, green_position;
    uint8_t blue_mask, blue_position;
    uint8_t rsv_mask, rsv_position;
    uint8_t directcolor_attributes;
    uint32_t physbase;
    uint32_t reserved1;
    uint16_t reserved2;
} __attribute__((packed));

struct multiboot_info_t
{
    /* Multiboot info version number */
    uint32_t flags;

    /* Available memory from BIOS */
    uint32_t mem_lower;
    uint32_t mem_upper;

    /* "root" partition */
    uint32_t boot_device;

    /* Kernel command line */
    uint32_t cmdline;

    /* Boot-Module list */
    uint32_t mods_count;
    uint32_t mods_addr;

    union
    {
        struct multiboot_aout_symbol_table_t aout_sym;
        struct multiboot_elf_section_header_table_t elf_sec;
    } u;

    /* Memory Mapping buffer */
    uint32_t mmap_length;
    uint32_t mmap_addr;

    /* Drive Info buffer */
    uint32_t drives_length;
    uint32_t drives_addr;

    /* ROM configuration table */
    uint32_t config_table;

    /* Boot Loader Name */
    uint32_t boot_loader_name;

    /* APM table */
    uint32_t apm_table;

    /* Video */
    uint32_t vbe_control_info;
    uint32_t vbe_mode_info;
    uint16_t vbe_mode;
    uint16_t vbe_interface_seg;
    uint16_t vbe_interface_off;
    uint16_t vbe_interface_len;
} __attribute__((packed));