include/asm-nios2/bitops.h

   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
  24 #ifndef __ASM_NIOS2_BITOPS_H_
  25 #define __ASM_NIOS2_BITOPS_H_
  26
  27
  28 extern void set_bit(int nr, volatile void * a);
  29 extern void clear_bit(int nr, volatile void * a);
  30 extern int test_and_clear_bit(int nr, volatile void * a);
  31 extern void change_bit(unsigned long nr, volatile void *addr);
  32 extern int test_and_set_bit(int nr, volatile void * a);
  33 extern int test_and_change_bit(int nr, volatile void * addr);
  34 extern int test_bit(int nr, volatile void * a);
  35 extern int ffs(int i);
  36
  37 #endif /* __ASM_NIOS2_BITOPS_H */