arch/x86_64-pc/bootstrap/multiboot.h

   1 #ifndef _MB_H
   2 #define _MB_H
   3
   4 /*
   5     Copyright © 2002, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     Desc: Multiboot information structures
   9     Lang: english
  10 */
  11
  12
  13 /* Structure passed from bootloader */
  14 struct multiboot {
  15     unsigned int   flags;
  16 #define MB_FLAGS_MEM        1
  17 #define MB_FLAGS_BOOTDEV    2
  18 #define MB_FLAGS_CMDLINE    4
  19 #define MB_FLAGS_MODS       8
  20 #define MB_FLAGS_AOUT       16
  21 #define MB_FLAGS_ELF        32
  22 #define MB_FLAGS_MMAP       64
  23 #define MB_FLAGS_DRIVES     128
  24 #define MB_FLAGS_CFGTBL     256
  25 #define MB_FLAGS_LDRNAME    512
  26 #define MB_FLAGS_APMTBL     1024
  27 #define MB_FLAGS_GFX        2048
  28     unsigned int   mem_lower;
  29     unsigned int   mem_upper;
  30     unsigned int   bootdev;
  31     char *  cmdline;
  32     unsigned int   mods_count;
  33     unsigned int   mods_addr;
  34     unsigned int   elf_num;
  35     unsigned int   elf_size;
  36     unsigned int   elf_addr;
  37     unsigned int   elf_shndx;
  38     unsigned int   mmap_length;
  39     unsigned int   mmap_addr;
  40     unsigned int   drives_length;
  41     unsigned int   drives_addr;
  42     unsigned int   config_table;
  43     char *loader_name;
  44     unsigned int   apm_table;
  45     unsigned int   vbe_control_info;
  46     unsigned int   vbe_mode_info;
  47     unsigned short   vbe_mode;
  48     unsigned short   vbe_if_seg;
  49     unsigned short   vbe_if_off;
  50     unsigned short   vbe_if_len;
  51 };
  52
  53 struct mb_module {
  54     unsigned int    mod_start;
  55     unsigned int    mod_end;
  56     unsigned int    string;
  57     unsigned int    reserved;
  58 };
  59
  60 struct mb_mmap {
  61     unsigned int   size;
  62     unsigned int   addr_low;
  63     unsigned int   addr_high;
  64     unsigned int   len_low;
  65     unsigned int   len_high;
  66     unsigned int   type;
  67 #define MMAP_TYPE_RAM       1
  68 #define MMAP_TYPE_RESERVED  2
  69 #define MMAP_TYPE_ACPIDATA  3
  70 #define MMAP_TYPE_ACPINVS   4
  71 };
  72
  73 /* VBE controller information */
  74 struct vbe_controller
  75 {
  76     unsigned char signature[4];
  77     unsigned short version;
  78     unsigned int  oem_string;
  79     unsigned int  capabilities;
  80     unsigned int  video_mode;
  81     unsigned short total_memory;
  82     unsigned short oem_software_rev;
  83     unsigned int  oem_vendor_name;
  84     unsigned int oem_product_name;
  85     unsigned int oem_product_rev;
  86     unsigned char reserved[222];
  87     unsigned char oem_data[256];
  88 } __attribute__ ((packed));
  89
  90 /* VBE mode information.  */
  91 struct vbe_mode
  92 {
  93     unsigned short mode_attributes;
  94     unsigned char win_a_attributes;
  95     unsigned char win_b_attributes;
  96     unsigned short win_granularity;
  97     unsigned short win_size;
  98     unsigned short win_a_segment;
  99     unsigned short win_b_segment;
 100     unsigned int win_func;
 101     unsigned short bytes_per_scanline;
 102
 103     /* >=1.2 */
 104     unsigned short x_resolution;
 105     unsigned short y_resolution;
 106     unsigned char x_char_size;
 107     unsigned char y_char_size;
 108     unsigned char number_of_planes;
 109     unsigned char bits_per_pixel;
 110     unsigned char number_of_banks;
 111     unsigned char memory_model;
 112     unsigned char bank_size;
 113     unsigned char number_of_image_pages;
 114     unsigned char reserved0;
 115
 116     /* direct color */
 117     unsigned char red_mask_size;
 118     unsigned char red_field_position;
 119     unsigned char green_mask_size;
 120     unsigned char green_field_position;
 121     unsigned char blue_mask_size;
 122     unsigned char blue_field_position;
 123     unsigned char reserved_mask_size;
 124     unsigned char reserved_field_position;
 125     unsigned char direct_color_mode_info;
 126
 127     /* >=2.0 */
 128     unsigned int phys_base;
 129     unsigned int reserved1;
 130     unsigned short reversed2;
 131
 132     /* >=3.0 */
 133     unsigned short linear_bytes_per_scanline;
 134     unsigned char banked_number_of_image_pages;
 135     unsigned char linear_number_of_image_pages;
 136     unsigned char linear_red_mask_size;
 137     unsigned char linear_red_field_position;
 138     unsigned char linear_green_mask_size;
 139     unsigned char linear_green_field_position;
 140     unsigned char linear_blue_mask_size;
 141     unsigned char linear_blue_field_position;
 142     unsigned char linear_reserved_mask_size;
 143     unsigned char linear_reserved_field_position;
 144     unsigned int max_pixel_clock;
 145
 146     unsigned char reserved3[189];
 147 } __attribute__ ((packed));
 148
 149
 150 /* Structure in RAM at 0x1000 */
 151 struct arosmb {
 152     unsigned int   magic;                   /* Indicates if information is valid */
 153 #define MBRAM_VALID     0x1337BABE
 154     unsigned int   flags;                   /* Copy of the multiboot flags */
 155     unsigned int   mem_lower;               /* Amount of lowmem (Sub 1Mb) */
 156     unsigned int   mem_upper;               /* Amount of upper memory */
 157     unsigned int   mmap_addr;               /* Pointer to memory map */
 158     unsigned int   mmap_len;                /* size of memory map */
 159     unsigned int   drives_addr;     /* Pointer to drive information */
 160     unsigned int   drives_len;              /* Size of drive information */
 161     char    ldrname[30];            /* String of loadername */
 162     char    cmdline[200];           /* Commandline */
 163     unsigned short   vbe_mode;              /* VBE mode */
 164     struct vbe_mode vmi;            /* VBE mode information */
 165     struct vbe_controller vci;      /* VBE controller information */
 166 };
 167
 168 struct mb_drive {
 169     unsigned int   size;
 170     unsigned char   number;
 171     unsigned char   mode;
 172 #define MB_MODE_CHS 0
 173 #define MB_MODE_LBA 1
 174     unsigned short   cyls;
 175     unsigned char   heads;
 176     unsigned char   secs;
 177     unsigned short   ports[10];             /* Ugly, needs to be fixed */
 178 };
 179
 180 #endif /* _MB_H */