diff options
Diffstat (limited to 'arch/powerpc/include/asm/hw_irq.h')
| -rw-r--r-- | arch/powerpc/include/asm/hw_irq.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h index b7e034b0a6d..53512374e1c 100644 --- a/arch/powerpc/include/asm/hw_irq.h +++ b/arch/powerpc/include/asm/hw_irq.h @@ -131,5 +131,41 @@ static inline int irqs_disabled_flags(unsigned long flags) */ struct irq_chip; +#ifdef CONFIG_PERF_COUNTERS +static inline unsigned long test_perf_counter_pending(void) +{ + unsigned long x; + + asm volatile("lbz %0,%1(13)" + : "=r" (x) + : "i" (offsetof(struct paca_struct, perf_counter_pending))); + return x; +} + +static inline void set_perf_counter_pending(void) +{ + asm volatile("stb %0,%1(13)" : : + "r" (1), + "i" (offsetof(struct paca_struct, perf_counter_pending))); +} + +static inline void clear_perf_counter_pending(void) +{ + asm volatile("stb %0,%1(13)" : : + "r" (0), + "i" (offsetof(struct paca_struct, perf_counter_pending))); +} + +#else + +static inline unsigned long test_perf_counter_pending(void) +{ + return 0; +} + +static inline void set_perf_counter_pending(void) {} +static inline void clear_perf_counter_pending(void) {} +#endif /* CONFIG_PERF_COUNTERS */ + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_HW_IRQ_H */ |