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>
60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw>
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*/
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#ifndef _ASM_IRQFLAGS_H
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#define _ASM_IRQFLAGS_H
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#include <asm/registers.h>
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static inline unsigned long arch_local_save_flags(void)
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{
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return RDCTL(CTL_FSTATUS);
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}
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/*
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* This will restore ALL status register flags, not only the interrupt
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* mask flag.
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*/
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static inline void arch_local_irq_restore(unsigned long flags)
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{
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WRCTL(CTL_FSTATUS, flags);
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}
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static inline void arch_local_irq_disable(void)
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{
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unsigned long flags;
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flags = arch_local_save_flags();
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arch_local_irq_restore(flags & ~STATUS_PIE);
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}
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static inline void arch_local_irq_enable(void)
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{
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unsigned long flags;
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flags = arch_local_save_flags();
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arch_local_irq_restore(flags | STATUS_PIE);
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}
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static inline int arch_irqs_disabled_flags(unsigned long flags)
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{
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return (flags & STATUS_PIE) == 0;
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}
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static inline int arch_irqs_disabled(void)
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{
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return arch_irqs_disabled_flags(arch_local_save_flags());
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}
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static inline unsigned long arch_local_irq_save(void)
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{
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unsigned long flags;
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flags = arch_local_save_flags();
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arch_local_irq_restore(flags & ~STATUS_PIE);
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return flags;
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}
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#endif /* _ASM_IRQFLAGS_H */
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