libmetal: add __sync_synchronize support

Signed-off-by: Guiding Li <liguiding1@xiaomi.com>
OpenAMP · Oct 14, 2021 · 4b2a0b8 · 4b2a0b8
1 parent 234a241
commit 4b2a0b8
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/lib/processor/xtensa/cpu.h b/lib/processor/xtensa/cpu.h
@@ -13,5 +13,6 @@
 #define __METAL_XTENSA_CPU__H__
 
 #define metal_cpu_yield()
+#define __sync_synchronize()
 
 #endif /* __METAL_XTENSA_CPU__H__ */