56 lines
935 B
C
56 lines
935 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_SW64_IRQFLAGS_H
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#define _ASM_SW64_IRQFLAGS_H
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#include <asm/hmcall.h>
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#define IPL_MIN 0
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#define IPL_MAX 7
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#define getipl() (rdps() & 7)
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#define setipl(ipl) ((void) swpipl(ipl))
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static inline unsigned long arch_local_save_flags(void)
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{
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return rdps();
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}
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static inline void arch_local_irq_disable(void)
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{
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setipl(IPL_MAX);
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barrier();
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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 = swpipl(IPL_MAX);
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barrier();
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return flags;
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}
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static inline void arch_local_irq_enable(void)
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{
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barrier();
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setipl(IPL_MIN);
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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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barrier();
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setipl(flags);
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barrier();
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}
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static inline bool arch_irqs_disabled_flags(unsigned long flags)
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{
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return flags > IPL_MIN;
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}
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static inline bool arch_irqs_disabled(void)
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{
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return arch_irqs_disabled_flags(getipl());
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}
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#endif /* _ASM_SW64_IRQFLAGS_H */
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