建立工程，成功创建两个虚拟串口

source/OpenAMP/libmetal/lib/system/generic/template/sys.h

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+/*
+ * Copyright (c) 2018, Linaro Inc. and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * @file	generic/template/sys.h
+ * @brief	generic template system primitives for libmetal.
+ */
+
+#ifndef __METAL_GENERIC_SYS__H__
+#error "Include metal/sys.h instead of metal/generic/@PROJECT_MACHINE@/sys.h"
+#endif
+
+#ifndef __METAL_GENERIC_TEMPLATE_SYS__H__
+#define __METAL_GENERIC_TEMPLATE_SYS__H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef METAL_INTERNAL
+
+void sys_irq_enable(unsigned int vector);
+
+void sys_irq_disable(unsigned int vector);
+
+#endif /* METAL_INTERNAL */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __METAL_GENERIC_TEMPLATE_SYS__H__ */