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>
34 lines
827 B
C
34 lines
827 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* linux/include/asm-alpha/timex.h
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*
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* ALPHA architecture timex specifications
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*/
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#ifndef _ASMALPHA_TIMEX_H
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#define _ASMALPHA_TIMEX_H
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/* With only one or two oddballs, we use the RTC as the ticker, selecting
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the 32.768kHz reference clock, which nicely divides down to our HZ. */
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#define CLOCK_TICK_RATE 32768
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/*
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* Standard way to access the cycle counter.
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* Currently only used on SMP for scheduling.
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*
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* Only the low 32 bits are available as a continuously counting entity.
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* But this only means we'll force a reschedule every 8 seconds or so,
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* which isn't an evil thing.
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*/
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typedef unsigned int cycles_t;
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static inline cycles_t get_cycles (void)
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{
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cycles_t ret;
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__asm__ __volatile__ ("rpcc %0" : "=r"(ret));
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return ret;
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}
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#define get_cycles get_cycles
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#endif
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