1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __PARISC_IRQFLAGS_H 3 #define __PARISC_IRQFLAGS_H 4 5 #include <linux/types.h> 6 #include <asm/psw.h> 7 8 static inline unsigned long arch_local_save_flags(void) 9 { 10 unsigned long flags; 11 asm volatile("ssm 0, %0" : "=r" (flags) : : "memory"); 12 return flags; 13 } 14 15 static inline void arch_local_irq_disable(void) 16 { 17 asm volatile("rsm %0,%%r0\n" : : "i" (PSW_I) : "memory"); 18 } 19 20 static inline void arch_local_irq_enable(void) 21 { 22 asm volatile("ssm %0,%%r0\n" : : "i" (PSW_I) : "memory"); 23 } 24 25 static inline unsigned long arch_local_irq_save(void) 26 { 27 unsigned long flags; 28 asm volatile("rsm %1,%0" : "=r" (flags) : "i" (PSW_I) : "memory"); 29 return flags; 30 } 31 32 static inline void arch_local_irq_restore(unsigned long flags) 33 { 34 asm volatile("mtsm %0" : : "r" (flags) : "memory"); 35 } 36 37 static inline bool arch_irqs_disabled_flags(unsigned long flags) 38 { 39 return (flags & PSW_I) == 0; 40 } 41 42 static inline bool arch_irqs_disabled(void) 43 { 44 return arch_irqs_disabled_flags(arch_local_save_flags()); 45 } 46 47 #endif /* __PARISC_IRQFLAGS_H */ 48