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: /lib/modules/5.11.0-1022-aws/build/arch/c6x/include/asm/ [ drwxr-xr-x ]
name : irqflags.h /* SPDX-License-Identifier: GPL-2.0-or-later */ /* * C6X IRQ flag handling * * Copyright (C) 2010 Texas Instruments Incorporated * Written by Mark Salter (msalter@redhat.com) */ #ifndef _ASM_IRQFLAGS_H #define _ASM_IRQFLAGS_H #ifndef __ASSEMBLY__ /* read interrupt enabled status */ static inline unsigned long arch_local_save_flags(void) { unsigned long flags; asm volatile (" mvc .s2 CSR,%0\n" : "=b"(flags)); return flags; } /* set interrupt enabled status */ static inline void arch_local_irq_restore(unsigned long flags) { asm volatile (" mvc .s2 %0,CSR\n" : : "b"(flags) : "memory"); } /* unconditionally enable interrupts */ static inline void arch_local_irq_enable(void) { unsigned long flags = arch_local_save_flags(); flags |= 1; arch_local_irq_restore(flags); } /* unconditionally disable interrupts */ static inline void arch_local_irq_disable(void) { unsigned long flags = arch_local_save_flags(); flags &= ~1; arch_local_irq_restore(flags); } /* get status and disable interrupts */ static inline unsigned long arch_local_irq_save(void) { unsigned long flags; flags = arch_local_save_flags(); arch_local_irq_restore(flags & ~1); return flags; } /* test flags */ static inline int arch_irqs_disabled_flags(unsigned long flags) { return (flags & 1) == 0; } /* test hardware interrupt enable bit */ static inline int arch_irqs_disabled(void) { return arch_irqs_disabled_flags(arch_local_save_flags()); } #endif /* __ASSEMBLY__ */ #endif /* __ASM_IRQFLAGS_H */