建立工程，成功创建两个虚拟串口

source/OpenAMP/libmetal/lib/alloc.h

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+/*
+ * Copyright (c) 2016, Xilinx Inc. and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * @file	alloc.h
+ * @brief	Memory allocation handling primitives for libmetal.
+ */
+
+#ifndef __METAL_ALLOC__H__
+#define __METAL_ALLOC__H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** \defgroup Memory Allocation Interfaces
+ *  @{ */
+
+/**
+ * @brief      allocate requested memory size
+ *             return a pointer to the allocated memory
+ *
+ * @param[in]  size        size in byte of requested memory
+ * @return     memory pointer, or 0 if it failed to allocate
+ */
+static inline void *metal_allocate_memory(unsigned int size);
+
+/**
+ * @brief      free the memory previously allocated
+ *
+ * @param[in]  ptr       pointer to memory 
+ */
+static inline void metal_free_memory(void *ptr);
+
+#include <metal/system/@PROJECT_SYSTEM@/alloc.h>
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __METAL_ALLOC__H__ */