LXR linux/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/le.h>
  58#include <asm-generic/bitops/ext2-atomic.h>
  59
  60#endif /* __ASM_GENERIC_BITOPS_H */
  61