#ifndef MULTIBOOT2_H
#define MULTIBOOT2_H

#include <stdint.h>

#define MULTIBOOT2_MAGIC 0xE85250D6u
#define MULTIBOOT2_ARCHITECTURE_I386 0u

typedef struct {
    uint32_t magic;
    uint32_t architecture;
    uint32_t header_length;
    uint32_t checksum;
} multiboot2_header_t;
#define multiboot2_header(magic, architecture, header_length) \
    {(magic), (architecture), (header_length), (uint32_t)(0x100000000u - (magic) - (architecture) - (header_length))}
#define multiboot2_header_default() \
    multiboot2_header(MULTIBOOT2_MAGIC, MULTIBOOT2_ARCHITECTURE_I386, sizeof(multiboot2_header_t))

typedef struct {
    uint16_t type;
    uint16_t flags;
    uint32_t size;
} multiboot2_tag_t;
#define multiboot2_end_tag() {0u, 0u, 8u}

typedef struct {
    multiboot2_tag_t header;
    uint32_t width;
    uint32_t height;
    uint32_t depth;
    uint32_t _padding;
} multiboot2_framebuffer_tag_t;
#define multiboot2_framebuffer_tag(width, height, depth) \
    {{5u, 0u, 20u}, width, height, depth}

#endif