mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 18:59:44 +00:00
52d61227b6
UBIFS requires fls(), which is not defined for arm (and some other architectures) and this patch adds it. The implementation is taken from Linux and is generic. ffs() is also defined for those that miss it. Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
38 lines
1.4 KiB
C
38 lines
1.4 KiB
C
/*
|
|
* (C) Copyright 2003, Psyent Corporation <www.psyent.com>
|
|
* Scott McNutt <smcnutt@psyent.com>
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef _ASM_NIOS_BITOPS_H_
|
|
#define _ASM_NIOS_BITOPS_H_
|
|
|
|
|
|
extern void set_bit(int nr, volatile void * a);
|
|
extern void clear_bit(int nr, volatile void * a);
|
|
extern int test_and_clear_bit(int nr, volatile void * a);
|
|
extern void change_bit(unsigned long nr, volatile void *addr);
|
|
extern int test_and_set_bit(int nr, volatile void * a);
|
|
extern int test_and_change_bit(int nr, volatile void * addr);
|
|
extern int test_bit(int nr, volatile void * a);
|
|
extern int ffs(int i);
|
|
#define ffs
|
|
|
|
#endif /* _ASM_NIOS_BITOPS_H */
|