diff options
Diffstat (limited to 'sys/arm/include/atomic.h')
-rw-r--r-- | sys/arm/include/atomic.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/sys/arm/include/atomic.h b/sys/arm/include/atomic.h index f00600b..c6b0008 100644 --- a/sys/arm/include/atomic.h +++ b/sys/arm/include/atomic.h @@ -729,11 +729,23 @@ atomic_set_32(volatile uint32_t *address, uint32_t setmask) } static __inline void +atomic_set_64(volatile uint64_t *address, uint64_t setmask) +{ + __with_interrupts_disabled(*address |= setmask); +} + +static __inline void atomic_clear_32(volatile uint32_t *address, uint32_t clearmask) { __with_interrupts_disabled(*address &= ~clearmask); } +static __inline void +atomic_clear_64(volatile uint64_t *address, uint64_t clearmask) +{ + __with_interrupts_disabled(*address &= ~clearmask); +} + static __inline u_int32_t atomic_cmpset_32(volatile u_int32_t *p, volatile u_int32_t cmpval, volatile u_int32_t newval) { @@ -751,6 +763,23 @@ atomic_cmpset_32(volatile u_int32_t *p, volatile u_int32_t cmpval, volatile u_in return (ret); } +static __inline u_int64_t +atomic_cmpset_64(volatile u_int64_t *p, volatile u_int64_t cmpval, volatile u_int64_t newval) +{ + int ret; + + __with_interrupts_disabled( + { + if (*p == cmpval) { + *p = newval; + ret = 1; + } else { + ret = 0; + } + }); + return (ret); +} + static __inline void atomic_add_32(volatile u_int32_t *p, u_int32_t val) { @@ -758,11 +787,23 @@ atomic_add_32(volatile u_int32_t *p, u_int32_t val) } static __inline void +atomic_add_64(volatile u_int64_t *p, u_int64_t val) +{ + __with_interrupts_disabled(*p += val); +} + +static __inline void atomic_subtract_32(volatile u_int32_t *p, u_int32_t val) { __with_interrupts_disabled(*p -= val); } +static __inline void +atomic_subtract_64(volatile u_int64_t *p, u_int64_t val) +{ + __with_interrupts_disabled(*p -= val); +} + static __inline uint32_t atomic_fetchadd_32(volatile uint32_t *p, uint32_t v) { @@ -776,6 +817,34 @@ atomic_fetchadd_32(volatile uint32_t *p, uint32_t v) return (value); } +static __inline uint64_t +atomic_fetchadd_64(volatile uint64_t *p, uint64_t v) +{ + uint64_t value; + + __with_interrupts_disabled( + { + value = *p; + *p += v; + }); + return (value); +} + +static __inline uint64_t +atomic_load_64(volatile uint64_t *p) +{ + uint64_t value; + + __with_interrupts_disabled(value = *p); + return (value); +} + +static __inline void +atomic_store_64(volatile uint64_t *p, uint64_t value) +{ + __with_interrupts_disabled(*p = value); +} + #else /* !_KERNEL */ static __inline u_int32_t |