bitops.h 1.4 KB

12345678910111213141516171819202122232425262728293031323334353637
  1. /*
  2. * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
  3. * Scott McNutt <smcnutt@psyent.com>
  4. *
  5. * See file CREDITS for list of people who contributed to this
  6. * project.
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License as
  10. * published by the Free Software Foundation; either version 2 of
  11. * the License, or (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21. * MA 02111-1307 USA
  22. */
  23. #ifndef __ASM_NIOS2_BITOPS_H_
  24. #define __ASM_NIOS2_BITOPS_H_
  25. extern void set_bit(int nr, volatile void * a);
  26. extern void clear_bit(int nr, volatile void * a);
  27. extern int test_and_clear_bit(int nr, volatile void * a);
  28. extern void change_bit(unsigned long nr, volatile void *addr);
  29. extern int test_and_set_bit(int nr, volatile void * a);
  30. extern int test_and_change_bit(int nr, volatile void * addr);
  31. extern int test_bit(int nr, volatile void * a);
  32. extern int ffs(int i);
  33. #endif /* __ASM_NIOS2_BITOPS_H */