boot/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
  10 struct VBEInfoBlock {
  11         char   signature[4]; // should be 'VESA'
  12         uint16 version;
  13         uint32 oem_ptr;
  14         uint32 capabilities;
  15         uint32 video_ptr;
  16         uint16 total_memory;
  17         // VESA 2.x stuff
  18         uint16 oem_software_rev;
  19         uint32 oem_vendor_name_ptr;
  20         uint32 oem_product_name_ptr;
  21         uint32 oem_product_rev_ptr;
  22         uint8  reserved[222];
  23         uint8  oem_data[256];
  24 } _PACKED;
  25
  26 struct VBEModeInfoBlock {
  27         uint16 attributes;
  28         uint8  wina_attributes;
  29         uint8  winb_attributes;
  30         uint16 win_granulatiry;
  31         uint16 win_size;
  32         uint16 wina_segment;
  33         uint16 winb_segment;
  34         uint32 win_function_ptr;
  35         uint16 bytes_per_scanline;
  36
  37         uint16 x_resolution;
  38         uint16 y_resolution;
  39         uint8  x_charsize;
  40         uint8  y_charsize;
  41         uint8  num_planes;
  42         uint8  bits_per_pixel;
  43         uint8  num_banks;
  44         uint8  memory_model;
  45         uint8  bank_size;
  46         uint8  num_image_pages;
  47         uint8  _reserved;
  48
  49         uint8  red_mask_size;
  50         uint8  red_field_position;
  51         uint8  green_mask_size;
  52         uint8  green_field_position;
  53         uint8  blue_mask_size;
  54         uint8  blue_field_position;
  55         uint8  reserved_mask_size;
  56         uint8  reserved_field_position;
  57         uint8  direct_color_mode_info;
  58
  59         uint32 phys_base_ptr;
  60         uint32 offscreen_mem_offset;
  61         uint16 offscreen_mem_size;
  62         uint8  _reserved2[206];
  63 } _PACKED;
  64
  65 #endif
  66