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/*
* Copyright (c) 2013-2023, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef DEBUG_H
#define DEBUG_H
#include <lib/utils_def.h>
/*
* The log output macros print output to the console. These macros produce
* compiled log output only if the LOG_LEVEL defined in the makefile (or the
* make command line) is greater or equal than the level required for that
* type of log output.
*
* The format expected is the same as for printf(). For example:
* INFO("Info %s.\n", "message") -> INFO: Info message.
* WARN("Warning %s.\n", "message") -> WARNING: Warning message.
*/
#define LOG_LEVEL_NONE U(0)
#define LOG_LEVEL_ERROR U(10)
#define LOG_LEVEL_NOTICE U(20)
#define LOG_LEVEL_WARNING U(30)
#define LOG_LEVEL_INFO U(40)
#define LOG_LEVEL_VERBOSE U(50)
#ifndef __ASSEMBLER__
#include <cdefs.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <drivers/console.h>
/*
* Define Log Markers corresponding to each log level which will
* be embedded in the format string and is expected by tf_log() to determine
* the log level.
*/
#define LOG_MARKER_ERROR "\xa" /* 10 */
#define LOG_MARKER_NOTICE "\x14" /* 20 */
#define LOG_MARKER_WARNING "\x1e" /* 30 */
#define LOG_MARKER_INFO "\x28" /* 40 */
#define LOG_MARKER_VERBOSE "\x32" /* 50 */
/*
* If the log output is too low then this macro is used in place of tf_log()
* below. The intent is to get the compiler to evaluate the function call for
* type checking and format specifier correctness but let it optimize it out.
*/
#define no_tf_log(fmt, ...) \
do { \
if (false) { \
tf_log(fmt, ##__VA_ARGS__); \
} \
} while (false)
#if LOG_LEVEL >= LOG_LEVEL_ERROR
# define ERROR(...) tf_log(LOG_MARKER_ERROR __VA_ARGS__)
# define ERROR_NL() tf_log_newline(LOG_MARKER_ERROR)
#else
# define ERROR(...) no_tf_log(LOG_MARKER_ERROR __VA_ARGS__)
# define ERROR_NL()
#endif
#if LOG_LEVEL >= LOG_LEVEL_NOTICE
# define NOTICE(...) tf_log(LOG_MARKER_NOTICE __VA_ARGS__)
#else
# define NOTICE(...) no_tf_log(LOG_MARKER_NOTICE __VA_ARGS__)
#endif
#if LOG_LEVEL >= LOG_LEVEL_WARNING
# define WARN(...) tf_log(LOG_MARKER_WARNING __VA_ARGS__)
#else
# define WARN(...) no_tf_log(LOG_MARKER_WARNING __VA_ARGS__)
#endif
#if LOG_LEVEL >= LOG_LEVEL_INFO
# define INFO(...) tf_log(LOG_MARKER_INFO __VA_ARGS__)
#else
# define INFO(...) no_tf_log(LOG_MARKER_INFO __VA_ARGS__)
#endif
#if LOG_LEVEL >= LOG_LEVEL_VERBOSE
# define VERBOSE(...) tf_log(LOG_MARKER_VERBOSE __VA_ARGS__)
#else
# define VERBOSE(...) no_tf_log(LOG_MARKER_VERBOSE __VA_ARGS__)
#endif
const char *get_el_str(unsigned int el);
#if ENABLE_BACKTRACE
void backtrace(const char *cookie);
#else
#define backtrace(x)
#endif
void __dead2 el3_panic(void);
void __dead2 elx_panic(void);
#define panic() \
do { \
backtrace(__func__); \
console_flush(); \
el3_panic(); \
} while (false)
#if CRASH_REPORTING
/* --------------------------------------------------------------------
* do_lower_el_panic assumes it's called due to a panic from a lower EL
* This call will not return.
* --------------------------------------------------------------------
*/
#define lower_el_panic() \
do { \
console_flush(); \
elx_panic(); \
} while (false)
#else
#define lower_el_panic()
#endif
/* Function called when stack protection check code detects a corrupted stack */
void __dead2 __stack_chk_fail(void);
void tf_log(const char *fmt, ...) __printflike(1, 2);
void tf_log_newline(const char log_fmt[2]);
void tf_log_set_max_level(unsigned int log_level);
#endif /* __ASSEMBLER__ */
#endif /* DEBUG_H */
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