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#ifndef _MULTIBOOT_H_
#define _MULTIBOOT_H_
#include <stdint.h>
struct multiboot_header
{
uint32_t magic;
uint32_t flags;
/* The above fields plus this one must equal 0 mod 2^32. */
uint32_t checksum;
/* These are only valid if MULTIBOOT_AOUT_KLUDGE is set. */
uint32_t header_addr;
uint32_t load_addr;
uint32_t load_end_addr;
uint32_t bss_end_addr;
uint32_t entry_addr;
/* These are only valid if MULTIBOOT_VIDEO_MODE is set. */
uint32_t mode_type;
uint32_t width;
uint32_t height;
uint32_t depth;
};
/* The symbol table for a.out. */
struct multiboot_aout_symbol_table
{
uint32_t tabsize;
uint32_t strsize;
uint32_t addr;
uint32_t reserved;
};
/* The section header table for ELF. */
struct multiboot_elf_section_header_table
{
uint32_t num;
uint32_t size;
uint32_t addr;
uint32_t shndx;
};
struct multiboot_info
{
/* 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 aout_sym;
struct multiboot_elf_section_header_table 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;
uint64_t framebuffer_addr;
uint32_t framebuffer_pitch;
uint32_t framebuffer_width;
uint32_t framebuffer_height;
uint8_t framebuffer_bpp;
#define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0
#define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1
#define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2
uint8_t framebuffer_type;
union
{
struct
{
uint32_t framebuffer_palette_addr;
uint16_t framebuffer_palette_num_colors;
};
struct
{
uint8_t framebuffer_red_field_position;
uint8_t framebuffer_red_mask_size;
uint8_t framebuffer_green_field_position;
uint8_t framebuffer_green_mask_size;
uint8_t framebuffer_blue_field_position;
uint8_t framebuffer_blue_mask_size;
};
};
};
struct multiboot_color
{
uint8_t red;
uint8_t green;
uint8_t blue;
};
struct multiboot_mmap_entry
{
uint32_t size;
uint64_t addr;
uint64_t len;
#define MULTIBOOT_MEMORY_AVAILABLE 1
#define MULTIBOOT_MEMORY_RESERVED 2
#define MULTIBOOT_MEMORY_ACPI_RECLAIMABLE 3
#define MULTIBOOT_MEMORY_NVS 4
#define MULTIBOOT_MEMORY_BADRAM 5
uint32_t type;
} __attribute__((packed));
struct multiboot_mod_list
{
/* the memory used goes from bytes ’mod_start’ to ’mod_end-1’ inclusive */
uint32_t mod_start;
uint32_t mod_end;
/* Module command line */
uint32_t cmdline;
/* padding to take it to 16 bytes (must be zero) */
uint32_t pad;
};
/* APM BIOS info. */
struct multiboot_apm_info
{
uint16_t version;
uint16_t cseg;
uint32_t offset;
uint16_t cseg_16;
uint16_t dseg;
uint16_t flags;
uint16_t cseg_len;
uint16_t cseg_16_len;
uint16_t dseg_len;
};
#endif
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