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kernel/linux-rt-4.4.41/arch/ia64/include/asm/vga.h 618 Bytes
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  /*
   *	Access to VGA videoram
   *
   *	(c) 1998 Martin Mares <mj@ucw.cz>
   *	(c) 1999 Asit Mallick <asit.k.mallick@intel.com>
   *	(c) 1999 Don Dugger <don.dugger@intel.com>
   */
  
  #ifndef __ASM_IA64_VGA_H_
  #define __ASM_IA64_VGA_H_
  
  /*
   * On the PC, we can just recalculate addresses and then access the
   * videoram directly without any black magic.
   */
  
  extern unsigned long vga_console_iobase;
  extern unsigned long vga_console_membase;
  
  #define VGA_MAP_MEM(x,s)	((unsigned long) ioremap_nocache(vga_console_membase + (x), s))
  
  #define vga_readb(x)	(*(x))
  #define vga_writeb(x,y)	(*(y) = (x))
  
  #endif /* __ASM_IA64_VGA_H_ */