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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SH_BITOPS_H
#define __ASM_SH_BITOPS_H
#ifndef _LINUX_BITOPS_H
#error only <linux/bitops.h> can be included directly
#endif
/* For __swab32 */
#include <asm/byteorder.h>
#include <asm/barrier.h>
#ifdef CONFIG_GUSA_RB
#include <asm/bitops-grb.h>
#elif defined(CONFIG_CPU_SH2A)
#include <asm-generic/bitops/atomic.h>
#include <asm/bitops-op32.h>
#elif defined(CONFIG_CPU_SH4A)
#include <asm/bitops-llsc.h>
#elif defined(CONFIG_CPU_J2) && defined(CONFIG_SMP)
#include <asm/bitops-cas.h>
#else
#include <asm-generic/bitops/atomic.h>
#include <asm-generic/bitops/non-atomic.h>
#endif
static inline unsigned long ffz(unsigned long word)
{
unsigned long result;
__asm__("1:\n\t"
"shlr %1\n\t"
"bt/s 1b\n\t"
" add #1, %0"
: "=r" (result), "=r" (word)
: "0" (~0L), "1" (word)
: "t");
return result;
}
/**
* __ffs - find first bit in word.
* @word: The word to search
*
* Undefined if no bit exists, so code should check against 0 first.
*/
static inline unsigned long __ffs(unsigned long word)
{
unsigned long result;
__asm__("1:\n\t"
"shlr %1\n\t"
"bf/s 1b\n\t"
" add #1, %0"
: "=r" (result), "=r" (word)
: "0" (~0L), "1" (word)
: "t");
return result;
}
#include <asm-generic/bitops/ffs.h>
#include <asm-generic/bitops/hweight.h>
#include <asm-generic/bitops/lock.h>
#include <asm-generic/bitops/sched.h>
#include <asm-generic/bitops/ext2-atomic.h>
#include <asm-generic/bitops/fls.h>
#include <asm-generic/bitops/__fls.h>
#include <asm-generic/bitops/fls64.h>
#include <asm-generic/bitops/le.h>
#include <asm-generic/bitops/find.h>
#endif /* __ASM_SH_BITOPS_H */