arch/openrisc/include/asm/bitops.h

   1 /*
   2  * OpenRISC Linux
   3  *
   4  * Linux architectural port borrowing liberally from similar works of
   5  * others.  All original copyrights apply as per the original source
   6  * declaration.
   7  *
   8  * OpenRISC implementation:
   9  * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
  10  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
  11  * et al.
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 2 of the License, or
  16  * (at your option) any later version.
  17  */
  18
  19 #ifndef __ASM_OPENRISC_BITOPS_H
  20 #define __ASM_OPENRISC_BITOPS_H
  21
  22 /*
  23  * Where we haven't written assembly versions yet, we fall back to the
  24  * generic implementations.  Otherwise, we pull in our (hopefully)
  25  * optimized versions.
  26  */
  27
  28 #include <linux/irqflags.h>
  29 #include <linux/compiler.h>
  30
  31 /*
  32  * clear_bit may not imply a memory barrier
  33  */
  34 #ifndef smp_mb__before_clear_bit
  35 #define smp_mb__before_clear_bit()      smp_mb()
  36 #define smp_mb__after_clear_bit()       smp_mb()
  37 #endif
  38
  39 #include <asm/bitops/__ffs.h>
  40 #include <asm-generic/bitops/ffz.h>
  41 #include <asm/bitops/fls.h>
  42 #include <asm/bitops/__fls.h>
  43 #include <asm-generic/bitops/fls64.h>
  44 #include <asm-generic/bitops/find.h>
  45
  46 #ifndef _LINUX_BITOPS_H
  47 #error only <linux/bitops.h> can be included directly
  48 #endif
  49
  50 #include <asm-generic/bitops/sched.h>
  51 #include <asm/bitops/ffs.h>
  52 #include <asm-generic/bitops/hweight.h>
  53 #include <asm-generic/bitops/lock.h>
  54
  55 #include <asm-generic/bitops/atomic.h>
  56 #include <asm-generic/bitops/non-atomic.h>
  57 #include <asm-generic/bitops/ext2-atomic.h>
  58
  59 #endif /* __ASM_GENERIC_BITOPS_H */