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| author | ian <ian@FreeBSD.org> | 2014-08-02 03:44:27 +0000 |
|---|---|---|
| committer | ian <ian@FreeBSD.org> | 2014-08-02 03:44:27 +0000 |
| commit | e5aca7d143549683ac45e9f96ff7c2a12bd2a284 (patch) | |
| tree | 59d10c60d513161e5982dd553bc389e2a4a66db8 /sys/arm/include/atomic.h | |
| parent | c4de04677ad6bd005035f037f70bf1ff8579a1c1 (diff) | |
| download | FreeBSD-src-e5aca7d143549683ac45e9f96ff7c2a12bd2a284.zip FreeBSD-src-e5aca7d143549683ac45e9f96ff7c2a12bd2a284.tar.gz | |
When arm 64-bit atomic ops are available, define ARM_HAVE_ATOMIC64. Use
that symbol (which will be correct in both kernel and userland contexts)
rather than just __arm__ to decide whether to use a local implementation.
Diffstat (limited to 'sys/arm/include/atomic.h')
| -rw-r--r-- | sys/arm/include/atomic.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/arm/include/atomic.h b/sys/arm/include/atomic.h index c6b0008..a62ca00 100644 --- a/sys/arm/include/atomic.h +++ b/sys/arm/include/atomic.h @@ -88,6 +88,8 @@ defined (__ARM_ARCH_6T2__) || \ defined (__ARM_ARCH_6Z__) || \ defined (__ARM_ARCH_6ZK__) +#define ARM_HAVE_ATOMIC64 + static __inline void __do_dmb(void) { @@ -722,6 +724,8 @@ __swp(uint32_t val, volatile uint32_t *ptr) #ifdef _KERNEL +#define ARM_HAVE_ATOMIC64 + static __inline void atomic_set_32(volatile uint32_t *address, uint32_t setmask) { |
