page.h 1.3 KB

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  1. /* page.h: Various defines and such for MMU operations on the Sparc for
  2. * the Linux kernel.
  3. *
  4. * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
  5. * Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com)
  6. *
  7. * This program is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU General Public License as
  9. * published by the Free Software Foundation; either version 2 of
  10. * the License, or (at your option) any later version.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with this program; if not, write to the Free Software
  19. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20. * MA 02111-1307 USA
  21. *
  22. */
  23. #ifndef _SPARC_PAGE_H
  24. #define _SPARC_PAGE_H
  25. #include <linux/config.h>
  26. #ifdef CONFIG_SUN4
  27. #define PAGE_SHIFT 13
  28. #else
  29. #define PAGE_SHIFT 12
  30. #endif
  31. #ifndef __ASSEMBLY__
  32. /* I have my suspicions... -DaveM */
  33. #define PAGE_SIZE (1UL << PAGE_SHIFT)
  34. #else
  35. #define PAGE_SIZE (1 << PAGE_SHIFT)
  36. #endif
  37. #define PAGE_MASK (~(PAGE_SIZE-1))
  38. #endif /* _SPARC_PAGE_H */