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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 */
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