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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ALPHA_IRQFLAGS_H #define __ALPHA_IRQFLAGS_H #include <asm/pal.h> #define IPL_MIN 0 #define IPL_SW0 1 #define IPL_SW1 2 #define IPL_DEV0 3 #define IPL_DEV1 4 #define IPL_TIMER 5 #define IPL_PERF 6 #define IPL_POWERFAIL 6 #define IPL_MCHECK 7 #define IPL_MAX 7 #ifdef CONFIG_ALPHA_BROKEN_IRQ_MASK #undef IPL_MIN #define IPL_MIN __min_ipl extern int __min_ipl; #endif #define getipl() (rdps() & 7) #define setipl(ipl) ((void) swpipl(ipl)) static inline unsigned long arch_local_save_flags(void) { return rdps(); } static inline void arch_local_irq_disable(void) { setipl(IPL_MAX); barrier(); } static inline unsigned long arch_local_irq_save(void) { unsigned long flags = swpipl(IPL_MAX); barrier(); return flags; } static inline void arch_local_irq_enable(void) { barrier(); setipl(IPL_MIN); } static inline void arch_local_irq_restore(unsigned long flags) { barrier(); setipl(flags); barrier(); } static inline bool arch_irqs_disabled_flags(unsigned long flags) { return flags == IPL_MAX; } static inline bool arch_irqs_disabled(void) { return arch_irqs_disabled_flags(getipl()); } #endif /* __ALPHA_IRQFLAGS_H */