115 lines
3.0 KiB
C
115 lines
3.0 KiB
C
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/*
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* Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef DEBUG_H
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#define DEBUG_H
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#include <lib/utils_def.h>
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/*
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* The log output macros print output to the console. These macros produce
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* compiled log output only if the LOG_LEVEL defined in the makefile (or the
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* make command line) is greater or equal than the level required for that
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* type of log output.
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*
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* The format expected is the same as for printf(). For example:
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* INFO("Info %s.\n", "message") -> INFO: Info message.
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* WARN("Warning %s.\n", "message") -> WARNING: Warning message.
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*/
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#define LOG_LEVEL_NONE U(0)
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#define LOG_LEVEL_ERROR U(10)
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#define LOG_LEVEL_NOTICE U(20)
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#define LOG_LEVEL_WARNING U(30)
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#define LOG_LEVEL_INFO U(40)
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#define LOG_LEVEL_VERBOSE U(50)
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#ifndef __ASSEMBLER__
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#include <cdefs.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <drivers/console.h>
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/*
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* Define Log Markers corresponding to each log level which will
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* be embedded in the format string and is expected by tf_log() to determine
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* the log level.
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*/
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#define LOG_MARKER_ERROR "\xa" /* 10 */
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#define LOG_MARKER_NOTICE "\x14" /* 20 */
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#define LOG_MARKER_WARNING "\x1e" /* 30 */
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#define LOG_MARKER_INFO "\x28" /* 40 */
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#define LOG_MARKER_VERBOSE "\x32" /* 50 */
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/*
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* If the log output is too low then this macro is used in place of tf_log()
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* below. The intent is to get the compiler to evaluate the function call for
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* type checking and format specifier correctness but let it optimize it out.
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*/
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#define no_tf_log(fmt, ...) \
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do { \
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if (false) { \
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tf_log(fmt, ##__VA_ARGS__); \
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} \
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} while (false)
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#if LOG_LEVEL >= LOG_LEVEL_ERROR
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# define ERROR(...) tf_log(LOG_MARKER_ERROR __VA_ARGS__)
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#else
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# define ERROR(...) no_tf_log(LOG_MARKER_ERROR __VA_ARGS__)
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#endif
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#if LOG_LEVEL >= LOG_LEVEL_NOTICE
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# define NOTICE(...) tf_log(LOG_MARKER_NOTICE __VA_ARGS__)
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#else
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# define NOTICE(...) no_tf_log(LOG_MARKER_NOTICE __VA_ARGS__)
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#endif
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#if LOG_LEVEL >= LOG_LEVEL_WARNING
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# define WARN(...) tf_log(LOG_MARKER_WARNING __VA_ARGS__)
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#else
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# define WARN(...) no_tf_log(LOG_MARKER_WARNING __VA_ARGS__)
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#endif
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#if LOG_LEVEL >= LOG_LEVEL_INFO
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# define INFO(...) tf_log(LOG_MARKER_INFO __VA_ARGS__)
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#else
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# define INFO(...) no_tf_log(LOG_MARKER_INFO __VA_ARGS__)
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#endif
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#if LOG_LEVEL >= LOG_LEVEL_VERBOSE
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# define VERBOSE(...) tf_log(LOG_MARKER_VERBOSE __VA_ARGS__)
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#else
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# define VERBOSE(...) no_tf_log(LOG_MARKER_VERBOSE __VA_ARGS__)
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#endif
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#if ENABLE_BACKTRACE
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void backtrace(const char *cookie);
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#else
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#define backtrace(x)
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#endif
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void __dead2 do_panic(void);
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#define panic() \
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do { \
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backtrace(__func__); \
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(void)console_flush(); \
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do_panic(); \
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} while (false)
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/* Function called when stack protection check code detects a corrupted stack */
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void __dead2 __stack_chk_fail(void);
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void tf_log(const char *fmt, ...) __printflike(1, 2);
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void tf_log_set_max_level(unsigned int log_level);
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#endif /* __ASSEMBLER__ */
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#endif /* DEBUG_H */
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