建立工程，成功创建两个虚拟串口

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

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2018, Linaro Inc. and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * @file	freertos/template/sys.h
+ * @brief	freertos template system primitives for libmetal.
+ */
+
+#ifndef __METAL_FREERTOS_SYS__H__
+#error "Include metal/sys.h instead of metal/freertos/@PROJECT_MACHINE@/sys.h"
+#endif
+
+#ifndef __METAL_FREERTOS_TEMPLATE_SYS__H__
+#define __METAL_FREERTOS_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_FREERTOS_SYS__H__ */