建立工程，成功创建两个虚拟串口

source/OpenAMP/libmetal/lib/system/linux/alloc.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2016, Xilinx Inc. and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * @file	linux/alloc.h
+ * @brief	linux memory allocattion definitions.
+ */
+
+#ifndef __METAL_ALLOC__H__
+#error "Include metal/alloc.h instead of metal/linux/alloc.h"
+#endif
+
+#ifndef __METAL_LINUX_ALLOC__H__
+#define __METAL_LINUX_ALLOC__H__
+
+#include <stdlib.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+static inline void *metal_allocate_memory(unsigned int size)
+{
+	return (malloc(size));
+}
+
+static inline void metal_free_memory(void *ptr)
+{
+	free(ptr);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __METAL_LINUX_ALLOC__H__ */