建立工程，成功创建两个虚拟串口

2023-06-21 18:00:56 +08:00
commit 3604192d8f
872 changed files with 428764 additions and 0 deletions
--- a/source/OpenAMP/libmetal/lib/include/metal/log.h
+++ b/source/OpenAMP/libmetal/lib/include/metal/log.h
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2015, Xilinx Inc. and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * @file	log.h
+ * @brief	Logging support for libmetal.
+ */
+
+#ifndef __METAL_METAL_LOG__H__
+#define __METAL_METAL_LOG__H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** \defgroup logging Library Logging Interfaces
+ *  @{ */
+
+/** Log message priority levels for libmetal. */
+enum metal_log_level {
+	METAL_LOG_EMERGENCY,	/**< system is unusable.               */
+	METAL_LOG_ALERT,	/**< action must be taken immediately. */
+	METAL_LOG_CRITICAL,	/**< critical conditions.              */
+	METAL_LOG_ERROR,	/**< error conditions.                 */
+	METAL_LOG_WARNING,	/**< warning conditions.               */
+	METAL_LOG_NOTICE,	/**< normal but significant condition. */
+	METAL_LOG_INFO,		/**< informational messages.           */
+	METAL_LOG_DEBUG,	/**< debug-level messages.             */
+};
+
+/** Log message handler type. */
+typedef void (*metal_log_handler)(enum metal_log_level level,
+				  const char *format, ...);
+
+/**
+ * @brief	Set libmetal log handler.
+ * @param[in]	handler	log message handler.
+ * @return	0 on success, or -errno on failure.
+ */
+extern void metal_set_log_handler(metal_log_handler handler);
+
+/**
+ * @brief	Get the current libmetal log handler.
+ * @return	Current log handler.
+ */
+extern metal_log_handler metal_get_log_handler(void);
+
+/**
+ * @brief	Set the level for libmetal logging.
+ * @param[in]	level	log message level.
+ */
+extern void metal_set_log_level(enum metal_log_level level);
+
+/**
+ * @brief	Get the current level for libmetal logging.
+ * @return	Current log level.
+ */
+extern enum metal_log_level metal_get_log_level(void);
+
+/**
+ * @brief	Default libmetal log handler.  This handler prints libmetal log
+ *		mesages to stderr.
+ * @param[in]	level	log message level.
+ * @param[in]	format	log message format string.
+ * @return	0 on success, or -errno on failure.
+ */
+extern void metal_default_log_handler(enum metal_log_level level,
+				      const char *format, ...);
+
+
+/**
+ * Emit a log message if the log level permits.
+ *
+ * @param	level	Log level.
+ * @param	...	Format string and arguments.
+ */
+#define metal_log(level, ...)						       \
+	((level <= _metal.common.log_level && _metal.common.log_handler) \
+	       ? (void)_metal.common.log_handler(level, __VA_ARGS__)	       \
+	       : (void)0)
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#include <metal/system/generic/log.h>
+
+#endif /* __METAL_METAL_LOG__H__ */