diff --git a/lib/processor/xtensa/CMakeLists.txt b/lib/processor/xtensa/CMakeLists.txt
new file mode 100644
index 00000000..13ce0230
--- /dev/null
+++ b/lib/processor/xtensa/CMakeLists.txt
@@ -0,0 +1,2 @@
+collect (PROJECT_LIB_HEADERS atomic.h)
+collect (PROJECT_LIB_HEADERS cpu.h)
diff --git a/lib/processor/xtensa/atomic.h b/lib/processor/xtensa/atomic.h
new file mode 100644
index 00000000..03bcd097
--- /dev/null
+++ b/lib/processor/xtensa/atomic.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2015, Xiaomi Inc. and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * @file	xtensa/atomic.h
+ * @brief	Xtensa specific atomic primitives for libmetal.
+ */
+
+#ifndef __METAL_XTENSA_ATOMIC__H__
+#define __METAL_XTENSA_ATOMIC__H__
+
+#endif /* __METAL_XTENSA_ATOMIC__H__ */
diff --git a/lib/processor/xtensa/cpu.h b/lib/processor/xtensa/cpu.h
new file mode 100644
index 00000000..aec31343
--- /dev/null
+++ b/lib/processor/xtensa/cpu.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2015, Xiaomi Inc. and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * @file	cpu.h
+ * @brief	CPU specific primatives
+ */
+
+#ifndef __METAL_XTENSA_CPU__H__
+#define __METAL_XTENSA_CPU__H__
+
+#define metal_cpu_yield()
+#define __sync_synchronize()
+
+#endif /* __METAL_XTENSA_CPU__H__ */