47 lines
		
	
	
	
		
			1,007 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			47 lines
		
	
	
	
		
			1,007 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | #ifndef __PARISC_IRQFLAGS_H
 | ||
|  | #define __PARISC_IRQFLAGS_H
 | ||
|  | 
 | ||
|  | #include <linux/types.h>
 | ||
|  | #include <asm/psw.h>
 | ||
|  | 
 | ||
|  | static inline unsigned long arch_local_save_flags(void) | ||
|  | { | ||
|  | 	unsigned long flags; | ||
|  | 	asm volatile("ssm 0, %0" : "=r" (flags) : : "memory"); | ||
|  | 	return flags; | ||
|  | } | ||
|  | 
 | ||
|  | static inline void arch_local_irq_disable(void) | ||
|  | { | ||
|  | 	asm volatile("rsm %0,%%r0\n" : : "i" (PSW_I) : "memory"); | ||
|  | } | ||
|  | 
 | ||
|  | static inline void arch_local_irq_enable(void) | ||
|  | { | ||
|  | 	asm volatile("ssm %0,%%r0\n" : : "i" (PSW_I) : "memory"); | ||
|  | } | ||
|  | 
 | ||
|  | static inline unsigned long arch_local_irq_save(void) | ||
|  | { | ||
|  | 	unsigned long flags; | ||
|  | 	asm volatile("rsm %1,%0" : "=r" (flags) : "i" (PSW_I) : "memory"); | ||
|  | 	return flags; | ||
|  | } | ||
|  | 
 | ||
|  | static inline void arch_local_irq_restore(unsigned long flags) | ||
|  | { | ||
|  | 	asm volatile("mtsm %0" : : "r" (flags) : "memory"); | ||
|  | } | ||
|  | 
 | ||
|  | static inline bool arch_irqs_disabled_flags(unsigned long flags) | ||
|  | { | ||
|  | 	return (flags & PSW_I) == 0; | ||
|  | } | ||
|  | 
 | ||
|  | static inline bool arch_irqs_disabled(void) | ||
|  | { | ||
|  | 	return arch_irqs_disabled_flags(arch_local_save_flags()); | ||
|  | } | ||
|  | 
 | ||
|  | #endif /* __PARISC_IRQFLAGS_H */
 |