/usr/src/linux-headers-5.15.0-181/arch/sh/include/asm
Edit: /usr/src/linux-headers-5.15.0-181/arch/sh/include/asm/bitops.h (1653B)
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SH_BITOPS_H
#define __ASM_SH_BITOPS_H
#ifndef _LINUX_BITOPS_H
#error only
can be included directly
#endif
/* For __swab32 */
#include
#include
#ifdef CONFIG_GUSA_RB
#include
#elif defined(CONFIG_CPU_SH2A)
#include
#include
#elif defined(CONFIG_CPU_SH4A)
#include
#elif defined(CONFIG_CPU_J2) && defined(CONFIG_SMP)
#include
#else
#include
#include
#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
#include
#include
#include
#include
#include
#include
#include
#include
#include
#endif /* __ASM_SH_BITOPS_H */