Add memory barrier macros for ARM

2012-12-13 03:34:24 +00:00 · 2012-12-13 03:34:24 +00:00 · b388a69a8d
commit b388a69a8d
parent 60aa1fe695
1 changed files with 2 additions and 0 deletions
--- a/sys/dev/sym/sym_hipd.c
+++ b/sys/dev/sym/sym_hipd.c
@ -135,6 +135,8 @@ typedef	u_int32_t u32;
 #define MEMORY_BARRIER()	__asm__ volatile("mf.a; mf" : : : "memory")
 #elif	defined	__sparc64__
 #define MEMORY_BARRIER()	__asm__ volatile("membar #Sync" : : : "memory")
+#elif	defined	__arm__
+#define MEMORY_BARRIER()	__do_dmb()
 #else
 #error	"Not supported platform"
 #endif