Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
35 lines
692 B
C
35 lines
692 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
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*/
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#ifndef __LOONGARCH_ASM_BITREV_H__
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#define __LOONGARCH_ASM_BITREV_H__
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#include <linux/swab.h>
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static __always_inline __attribute_const__ u32 __arch_bitrev32(u32 x)
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{
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u32 ret;
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asm("bitrev.w %0, %1" : "=r"(ret) : "r"(x));
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return ret;
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}
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static __always_inline __attribute_const__ u16 __arch_bitrev16(u16 x)
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{
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u16 ret;
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asm("bitrev.4b %0, %1" : "=r"(ret) : "r"(__swab16(x)));
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return ret;
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}
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static __always_inline __attribute_const__ u8 __arch_bitrev8(u8 x)
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{
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u8 ret;
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asm("bitrev.4b %0, %1" : "=r"(ret) : "r"(x));
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return ret;
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}
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#endif /* __LOONGARCH_ASM_BITREV_H__ */
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