| #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 */ |