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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-parisc/] [system_irqsave.h] - Rev 1774
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#ifndef __PARISC_SYSTEM_IRQSAVE_H #define __PARISC_SYSTEM_IRQSAVE_H /* interrupt control */ #define __save_flags(x) __asm__ __volatile__("ssm 0, %0" : "=r" (x) : : "memory") #define __restore_flags(x) __asm__ __volatile__("mtsm %0" : : "r" (x) : "memory") #define __cli() __asm__ __volatile__("rsm %0,%%r0\n" : : "i" (PSW_I) : "memory" ) #define __sti() __asm__ __volatile__("ssm %0,%%r0\n" : : "i" (PSW_I) : "memory" ) #define __save_and_cli(x) do { __save_flags(x); __cli(); } while(0); #define __save_and_sti(x) do { __save_flags(x); __sti(); } while(0); /* For spinlocks etc */ #if 0 #define local_irq_save(x) \ __asm__ __volatile__("rsm %1,%0" : "=r" (x) :"i" (PSW_I) : "memory" ) #define local_irq_set(x) \ # "Warning local_irq_set(x) is not yet defined" #else #define local_irq_save(x) __save_and_cli(x) #define local_irq_set(x) __save_and_sti(x) #endif #define local_irq_restore(x) __restore_flags(x) #define local_irq_disable() __cli() #define local_irq_enable() __sti() #endif /* __PARISC_SYSTEM_IRQSAVE_H */
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