multiboot.h

// multiboot.h -- Declares the multiboot info structure.
//                Made for JamesM's tutorials <www.jamesmolloy.co.uk>

#ifndef MULTIBOOT_H
#define MULTIBOOT_H

#include "common.h"

#define MULTIBOOT_FLAG_MEM     0x001
#define MULTIBOOT_FLAG_DEVICE  0x002
#define MULTIBOOT_FLAG_CMDLINE 0x004
#define MULTIBOOT_FLAG_MODS    0x008
#define MULTIBOOT_FLAG_AOUT    0x010
#define MULTIBOOT_FLAG_ELF     0x020
#define MULTIBOOT_FLAG_MMAP    0x040
#define MULTIBOOT_FLAG_CONFIG  0x080
#define MULTIBOOT_FLAG_LOADER  0x100
#define MULTIBOOT_FLAG_APM     0x200
#define MULTIBOOT_FLAG_VBE     0x400

struct multiboot
{
  u32int flags;
  u32int mem_lower;
  u32int mem_upper;
  u32int boot_device;
  u32int cmdline;
  u32int mods_count;
  u32int mods_addr;
  u32int num;
  u32int size;
  u32int addr;
  u32int shndx;
  u32int mmap_length;
  u32int mmap_addr;
  u32int drives_length;
  u32int drives_addr;
  u32int config_table;
  u32int boot_loader_name;
  u32int apm_table;
  u32int vbe_control_info;
  u32int vbe_mode_info;
  u32int vbe_mode;
  u32int vbe_interface_seg;
  u32int vbe_interface_off;
  u32int vbe_interface_len;
} __attribute__((packed));

typedef struct multiboot_header multiboot_header_t;

typedef struct
{
  u32int size;
  u32int base_addr_low;
  u32int base_addr_high;
  u32int length_low;
  u32int length_high;
  u32int type;
} __attribute__((packed)) mmap_entry_t;

#endif