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48 lines
1.0 KiB
48 lines
1.0 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* include/asm/irqflags.h |
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* |
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* IRQ flags handling |
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* |
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* This file gets included from lowlevel asm headers too, to provide |
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* wrapped versions of the local_irq_*() APIs, based on the |
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* arch_local_irq_*() functions from the lowlevel headers. |
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*/ |
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#ifndef _ASM_IRQFLAGS_H |
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#define _ASM_IRQFLAGS_H |
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#ifndef __ASSEMBLY__ |
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#include <linux/types.h> |
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#include <asm/psr.h> |
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void arch_local_irq_restore(unsigned long); |
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unsigned long arch_local_irq_save(void); |
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void arch_local_irq_enable(void); |
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static inline notrace unsigned long arch_local_save_flags(void) |
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{ |
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unsigned long flags; |
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asm volatile("rd %%psr, %0" : "=r" (flags)); |
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return flags; |
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} |
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static inline notrace void arch_local_irq_disable(void) |
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{ |
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arch_local_irq_save(); |
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} |
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static inline notrace bool arch_irqs_disabled_flags(unsigned long flags) |
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{ |
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return (flags & PSR_PIL) != 0; |
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} |
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static inline notrace bool 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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#endif /* (__ASSEMBLY__) */ |
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#endif /* !(_ASM_IRQFLAGS_H) */
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