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C/C++ Source or Header  |  1999-09-17  |  377 b   |  21 lines

  1. /*
  2.  *    Access to VGA videoram
  3.  *
  4.  *    (c) 1998 Martin Mares <mj@ucw.cz>
  5.  */
  6.  
  7. #ifndef _LINUX_ASM_VGA_H_
  8. #define _LINUX_ASM_VGA_H_
  9.  
  10. /*
  11.  *    On the PC, we can just recalculate addresses and then
  12.  *    access the videoram directly without any black magic.
  13.  */
  14.  
  15. #define VGA_MAP_MEM(x) (unsigned long)phys_to_virt(x)
  16.  
  17. #define vga_readb(x) (*(x))
  18. #define vga_writeb(x,y) (*(y) = (x))
  19.  
  20. #endif
  21.