建立工程，成功创建两个虚拟串口

source/OpenAMP/libmetal/lib/system/freertos/shmem.c

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2015, Xilinx Inc. and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * @file	freertos/shmem.c
+ * @brief	FreeRTOS libmetal shared memory handling.
+ */
+
+#include <metal/shmem.h>
+
+int metal_shmem_open(const char *name, size_t size,
+		     struct metal_io_region **io)
+{
+	return metal_shmem_open_generic(name, size, io);
+}