diff options
Diffstat (limited to 'cpukit/score/cpu/arm/armv4-sync-synchronize.c')
| -rw-r--r-- | cpukit/score/cpu/arm/armv4-sync-synchronize.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/cpukit/score/cpu/arm/armv4-sync-synchronize.c b/cpukit/score/cpu/arm/armv4-sync-synchronize.c new file mode 100644 index 0000000000..6fcac05684 --- /dev/null +++ b/cpukit/score/cpu/arm/armv4-sync-synchronize.c @@ -0,0 +1,9 @@ +void +__sync_synchronize (void) +{ +#ifdef ARM_MULTILIB_HAS_BARRIER_INSTRUCTIONS + asm volatile("dmb" : : : "memory"); +#else + asm volatile("" : : : "memory"); +#endif +}
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