arch/i386-pc/include/aros/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 #include <exec/types.h>
  13
  14
  15 /* Structure passed from bootloader */
  16 struct multiboot {
  17     ULONG   flags;
  18 #define MB_FLAGS_MEM        1
  19 #define MB_FLAGS_BOOTDEV    2
  20 #define MB_FLAGS_CMDLINE    4
  21 #define MB_FLAGS_MODS       8
  22 #define MB_FLAGS_AOUT       16
  23 #define MB_FLAGS_ELF        32
  24 #define MB_FLAGS_MMAP       64
  25 #define MB_FLAGS_DRIVES     128
  26 #define MB_FLAGS_CFGTBL     256
  27 #define MB_FLAGS_LDRNAME    512
  28 #define MB_FLAGS_APMTBL     1024
  29 #define MB_FLAGS_GFX        2048
  30     ULONG   mem_lower;
  31     ULONG   mem_upper;
  32     ULONG   bootdev;
  33     STRPTR  cmdline;
  34     ULONG   mods_count;
  35     ULONG   mods_addr;
  36     ULONG   elf_num;
  37     ULONG   elf_size;
  38     ULONG   elf_addr;
  39     ULONG   elf_shndx;
  40     ULONG   mmap_length;
  41     ULONG   mmap_addr;
  42     ULONG   drives_length;
  43     ULONG   drives_addr;
  44     ULONG   config_table;
  45     STRPTR  loader_name;
  46     ULONG   apm_table;
  47     ULONG   vbe_control_info;
  48     ULONG   vbe_mode_info;
  49     UWORD   vbe_mode;
  50     UWORD   vbe_if_seg;
  51     UWORD   vbe_if_off;
  52     UWORD   vbe_if_len;
  53 };
  54
  55 struct mb_mmap {
  56     ULONG   size;
  57     ULONG   addr_low;
  58     ULONG   addr_high;
  59     ULONG   len_low;
  60     ULONG   len_high;
  61     ULONG   type;
  62 #define MMAP_TYPE_RAM       1
  63 #define MMAP_TYPE_RESERVED  2
  64 #define MMAP_TYPE_ACPIDATA  3
  65 #define MMAP_TYPE_ACPINVS   4
  66 };
  67
  68 /* VBE controller information */
  69 struct vbe_controller
  70 {
  71     unsigned char signature[4];
  72     unsigned short version;
  73     unsigned long oem_string;
  74     unsigned long capabilities;
  75     unsigned long video_mode;
  76     unsigned short total_memory;
  77     unsigned short oem_software_rev;
  78     unsigned long oem_vendor_name;
  79     unsigned long oem_product_name;
  80     unsigned long oem_product_rev;
  81     unsigned char reserved[222];
  82     unsigned char oem_data[256];
  83 } __attribute__ ((packed));
  84
  85 /* VBE mode information.  */
  86 struct vbe_mode
  87 {
  88     unsigned short mode_attributes;
  89     unsigned char win_a_attributes;
  90     unsigned char win_b_attributes;
  91     unsigned short win_granularity;
  92     unsigned short win_size;
  93     unsigned short win_a_segment;
  94     unsigned short win_b_segment;
  95     unsigned long win_func;
  96     unsigned short bytes_per_scanline;
  97
  98     /* >=1.2 */
  99     unsigned short x_resolution;
 100     unsigned short y_resolution;
 101     unsigned char x_char_size;
 102     unsigned char y_char_size;
 103     unsigned char number_of_planes;
 104     unsigned char bits_per_pixel;
 105     unsigned char number_of_banks;
 106     unsigned char memory_model;
 107     unsigned char bank_size;
 108     unsigned char number_of_image_pages;
 109     unsigned char reserved0;
 110
 111     /* direct color */
 112     unsigned char red_mask_size;
 113     unsigned char red_field_position;
 114     unsigned char green_mask_size;
 115     unsigned char green_field_position;
 116     unsigned char blue_mask_size;
 117     unsigned char blue_field_position;
 118     unsigned char reserved_mask_size;
 119     unsigned char reserved_field_position;
 120     unsigned char direct_color_mode_info;
 121
 122     /* >=2.0 */
 123     unsigned long phys_base;
 124     unsigned long reserved1;
 125     unsigned short reversed2;
 126
 127     /* >=3.0 */
 128     unsigned short linear_bytes_per_scanline;
 129     unsigned char banked_number_of_image_pages;
 130     unsigned char linear_number_of_image_pages;
 131     unsigned char linear_red_mask_size;
 132     unsigned char linear_red_field_position;
 133     unsigned char linear_green_mask_size;
 134     unsigned char linear_green_field_position;
 135     unsigned char linear_blue_mask_size;
 136     unsigned char linear_blue_field_position;
 137     unsigned char linear_reserved_mask_size;
 138     unsigned char linear_reserved_field_position;
 139     unsigned long max_pixel_clock;
 140
 141     unsigned char reserved3[189];
 142 } __attribute__ ((packed));
 143
 144
 145 /* Structure in RAM at 0x1000 */
 146 struct arosmb {
 147     ULONG   magic;                  /* Indicates if information is valid */
 148 #define MBRAM_VALID     0x1337BABE
 149     ULONG   flags;                  /* Copy of the multiboot flags */
 150     ULONG   mem_lower;              /* Amount of lowmem (Sub 1Mb) */
 151     ULONG   mem_upper;              /* Amount of upper memory */
 152     ULONG   mmap_addr;              /* Pointer to memory map */
 153     ULONG   mmap_len;               /* size of memory map */
 154     ULONG   drives_addr;            /* Pointer to drive information */
 155     ULONG   drives_len;             /* Size of drive information */
 156     char    ldrname[30];            /* String of loadername */
 157     char    cmdline[200];           /* Commandline */
 158     UWORD   vbe_mode;               /* VBE mode */
 159     UBYTE   vbe_palette_width;      /* VBE palette width */
 160     struct vbe_mode vmi;            /* VBE mode information */
 161     struct vbe_controller vci;      /* VBE controller information */
 162 };
 163
 164 struct mb_drive {
 165     ULONG   size;
 166     UBYTE   number;
 167     UBYTE   mode;
 168 #define MB_MODE_CHS 0
 169 #define MB_MODE_LBA 1
 170     UWORD   cyls;
 171     UBYTE   heads;
 172     UBYTE   secs;
 173     UWORD   ports[10];              /* Ugly, needs to be fixed */
 174 };
 175
 176 #endif /* _MB_H */