include/asm-nios2nommu/virtconvert.h

   1 #ifndef __NIOS_VIRT_CONVERT__
   2 #define __NIOS_VIRT_CONVERT__
   3
   4 /*--------------------------------------------------------------------
   5  *
   6  * include/asm-nios2nommu/virtconvert.h
   7  *
   8  * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
   9  *
  10  * Copyright (C) 2004   Microtronix Datacom Ltd
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  *
  23  * Jan/20/2004          dgt         NiosII
  24  *
  25  ---------------------------------------------------------------------*/
  26
  27
  28 /*
  29  * Macros used for converting between virtual and physical mappings.
  30  */
  31
  32 #ifdef __KERNEL__
  33
  34 #include <asm/setup.h>
  35 #include <asm/page.h>
  36
  37 #define mm_ptov(vaddr)          ((void *) (vaddr))
  38 #define mm_vtop(vaddr)          ((unsigned long) (vaddr))
  39 #define phys_to_virt(vaddr)     ((void *) (vaddr))
  40 #define virt_to_phys(vaddr)     ((unsigned long) (vaddr))
  41
  42 #define virt_to_bus virt_to_phys
  43 #define bus_to_virt phys_to_virt
  44
  45 #endif /*__KERNEL__ */
  46 #endif /*__NIOS_VIRT_CONVERT__*/