boot/pc/x86_64/vesa.h

   1 /*
   2 ** Copyright 2001, Travis Geiselbrecht. All rights reserved.
   3 ** Distributed under the terms of the NewOS License.
   4 */
   5 #ifndef _STAGE2_VESA_H
   6 #define _STAGE2_VESA_H
   7
   8 #include <newos/types.h>
   9 #include <newos/compiler.h>
  10
  11 struct VBEInfoBlock {
  12         char   signature[4]; // should be 'VESA'
  13         uint16 version;
  14         uint32 oem_ptr;
  15         uint32 capabilities;
  16         uint32 video_ptr;
  17         uint16 total_memory;
  18         // VESA 2.x stuff
  19         uint16 oem_software_rev;
  20         uint32 oem_vendor_name_ptr;
  21         uint32 oem_product_name_ptr;
  22         uint32 oem_product_rev_ptr;
  23         uint8  reserved[222];
  24         uint8  oem_data[256];
  25 } _PACKED;
  26
  27 struct VBEModeInfoBlock {
  28         uint16 attributes;
  29         uint8  wina_attributes;
  30         uint8  winb_attributes;
  31         uint16 win_granulatiry;
  32         uint16 win_size;
  33         uint16 wina_segment;
  34         uint16 winb_segment;
  35         uint32 win_function_ptr;
  36         uint16 bytes_per_scanline;
  37
  38         uint16 x_resolution;
  39         uint16 y_resolution;
  40         uint8  x_charsize;
  41         uint8  y_charsize;
  42         uint8  num_planes;
  43         uint8  bits_per_pixel;
  44         uint8  num_banks;
  45         uint8  memory_model;
  46         uint8  bank_size;
  47         uint8  num_image_pages;
  48         uint8  _reserved;
  49
  50         uint8  red_mask_size;
  51         uint8  red_field_position;
  52         uint8  green_mask_size;
  53         uint8  green_field_position;
  54         uint8  blue_mask_size;
  55         uint8  blue_field_position;
  56         uint8  reserved_mask_size;
  57         uint8  reserved_field_position;
  58         uint8  direct_color_mode_info;
  59
  60         uint32 phys_base_ptr;
  61         uint32 offscreen_mem_offset;
  62         uint16 offscreen_mem_size;
  63         uint8  _reserved2[206];
  64 } _PACKED;
  65
  66 #endif
  67