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>
58 lines
837 B
C
58 lines
837 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 _ASM_TIMEX_H
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#define _ASM_TIMEX_H
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#ifdef __KERNEL__
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#include <linux/compiler.h>
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#include <asm/cpu.h>
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#include <asm/cpu-features.h>
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typedef unsigned long cycles_t;
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#define get_cycles get_cycles
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static inline cycles_t get_cycles(void)
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{
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#ifdef CONFIG_32BIT
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return rdtime_l();
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#else
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return rdtime_d();
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#endif
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}
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#ifdef CONFIG_32BIT
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#define get_cycles_hi get_cycles_hi
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static inline cycles_t get_cycles_hi(void)
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{
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return rdtime_h();
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}
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#endif
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static inline u64 get_cycles64(void)
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{
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#ifdef CONFIG_32BIT
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u32 hi, lo;
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do {
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hi = rdtime_h();
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lo = rdtime_l();
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} while (hi != rdtime_h());
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return ((u64)hi << 32) | lo;
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#else
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return rdtime_d();
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#endif
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}
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#endif /* __KERNEL__ */
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#endif /* _ASM_TIMEX_H */
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