inc/multiboot.h

   1 //Multiboot structures and functions
   2
   3 #ifndef __KERNEL__MULTIBOOT___HEADER____
   4 #define __KERNEL__MULTIBOOT___HEADER____
   5
   6 #include "types.h"
   7
   8
   9
  10
  11 /** multiboot structures **/
  12 typedef struct
  13 {
  14     UINT tabsize;
  15     UINT strsize;
  16     UINT addr;
  17     UINT reserved;
  18 } aout_symbol_table;
  19
  20 typedef struct
  21 {
  22     UINT num;
  23     UINT size;
  24     UINT addr;
  25     UINT shndx;
  26 } elf_section_header_table;
  27
  28
  29
  30 typedef struct
  31 {
  32     UINT flags;
  33     UINT mem_lower;
  34     UINT mem_upper;
  35     UINT boot_device;
  36     UINT cmdline;
  37     UINT mods_count;
  38     UINT mods_addr;
  39     union
  40     {
  41         aout_symbol_table aout_sym;
  42         elf_section_header_table elf_sec;
  43     } u;
  44     UINT mmap_length;
  45     UINT mmap_addr;
  46     UINT drives_length;
  47     UINT drives_addr;
  48     UINT config_table;
  49     UINT boot_loader_name;
  50     UINT apm_table;
  51 //here could be more
  52 } multiboot_info;
  53
  54
  55
  56
  57
  58 typedef struct
  59 {
  60   UINT size;
  61   UINT64 base_addr;
  62   UINT64 length;
  63   UINT type;
  64 } multiboot_memory_map;
  65
  66
  67
  68
  69
  70
  71 /**functions to handle multiboot info **/
  72 extern INT8 read_mboot_info (UINT, UINT *);
  73
  74
  75 extern UINT mboot_get_memsize_kbytes (void);
  76 extern UINT mboot_get_mmap_length (void);
  77 extern UINT mboot_get_mmap_add (void);
  78
  79
  80
  81
  82
  83 #endif //(__KERNEL__MULTIBOOT___HEADER____)