| * include/asm-s390/irqflags.h |
| * Copyright (C) IBM Corp. 2006 |
| * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> |
| /* interrupt control.. */ |
| #define raw_local_irq_enable() ({ \ |
| : "=m" (__dummy) : "a" (&__dummy) : "memory" ); \ |
| #define raw_local_irq_disable() ({ \ |
| "stnsm 0(%1),0xfc" : "=m" (__flags) : "a" (&__flags) ); \ |
| #define raw_local_save_flags(x) \ |
| typecheck(unsigned long, x); \ |
| __asm__ __volatile__("stosm 0(%1),0" : "=m" (x) : "a" (&x), "m" (x) ); \ |
| #define raw_local_irq_restore(x) \ |
| typecheck(unsigned long, x); \ |
| __asm__ __volatile__("ssm 0(%0)" : : "a" (&x), "m" (x) : "memory"); \ |
| #define raw_irqs_disabled() \ |
| raw_local_save_flags(flags); \ |
| !((flags >> __FLAG_SHIFT) & 3); \ |
| static inline int raw_irqs_disabled_flags(unsigned long flags) |
| return !((flags >> __FLAG_SHIFT) & 3); |
| #define raw_local_irq_save(x) ((x) = raw_local_irq_disable()) |
| #endif /* __ASM_IRQFLAGS_H */ |