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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-08-20 15:53:03 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-09-21 10:29:39 +0200 |
| commit | 18fa92c2dcc6c52e0bf27d214d80f0c25a89b47d (patch) | |
| tree | a3020ac5b1f366f2f0920941b589808e435dbcee /rtemsbsd/include/machine/atomic.h | |
| parent | Update to FreeBSD head 2017-12-01 (diff) | |
| download | rtems-libbsd-18fa92c2dcc6c52e0bf27d214d80f0c25a89b47d.tar.bz2 | |
Update to FreeBSD head 2018-02-01
Git mirror commit d079ae0442af8fa3cfd6d7ede190d04e64a2c0d4.
Update #3472.
Diffstat (limited to 'rtemsbsd/include/machine/atomic.h')
| -rw-r--r-- | rtemsbsd/include/machine/atomic.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/rtemsbsd/include/machine/atomic.h b/rtemsbsd/include/machine/atomic.h index b95a4b5a..f7de4178 100644 --- a/rtemsbsd/include/machine/atomic.h +++ b/rtemsbsd/include/machine/atomic.h @@ -492,6 +492,27 @@ atomic_readandclear_int(volatile int *p) } static inline int +atomic_load_int(volatile int *p) +{ + int tmp; + +#if defined(_RTEMS_BSD_MACHINE_ATOMIC_USE_ATOMIC) + std::atomic_int *q = + reinterpret_cast<std::atomic_int *>(const_cast<int *>(p)); + + tmp = q->load(std::memory_order_relaxed); +#elif defined(_RTEMS_BSD_MACHINE_ATOMIC_USE_STDATOMIC) + atomic_int *q = (atomic_int *)RTEMS_DEVOLATILE(int *, p); + + tmp = atomic_load_explicit(q, memory_order_relaxed); +#else + tmp = *p; +#endif + + return (tmp); +} + +static inline int atomic_load_acq_int(volatile int *p) { int tmp; @@ -514,6 +535,23 @@ atomic_load_acq_int(volatile int *p) } static inline void +atomic_store_int(volatile int *p, int v) +{ +#if defined(_RTEMS_BSD_MACHINE_ATOMIC_USE_ATOMIC) + std::atomic_int *q = + reinterpret_cast<std::atomic_int *>(const_cast<int *>(p)); + + q->store(v, std::memory_order_relaxed); +#elif defined(_RTEMS_BSD_MACHINE_ATOMIC_USE_STDATOMIC) + atomic_int *q = (atomic_int *)RTEMS_DEVOLATILE(int *, p); + + atomic_store_explicit(q, v, memory_order_relaxed); +#else + *p = v; +#endif +} + +static inline void atomic_store_rel_int(volatile int *p, int v) { #if defined(_RTEMS_BSD_MACHINE_ATOMIC_USE_ATOMIC) |