X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Flog.h;h=8f35c10abb5e28f9c46793e581cc0abbcee0ca03;hb=ddd39d0cc1a025a1e2e3c792cc8286dbdfa29b54;hp=c0453d2f97c1ee9cc89c165799a10535dbd797b5;hpb=9ad7a6c25c7142a46fe4b811c13bc3280c4bb27f;p=platform%2Fkernel%2Fu-boot.git diff --git a/include/log.h b/include/log.h index c0453d2..8f35c10 100644 --- a/include/log.h +++ b/include/log.h @@ -98,6 +98,8 @@ enum log_category_t { LOGC_ACPI, /** @LOGC_BOOT: Related to boot process / boot image processing */ LOGC_BOOT, + /** @LOGC_EVENT: Related to event and event handling */ + LOGC_EVENT, /** @LOGC_COUNT: Number of log categories */ LOGC_COUNT, /** @LOGC_END: Sentinel value for lists of log categories */ @@ -140,6 +142,24 @@ static inline int _log_nop(enum log_category_t cat, enum log_level_t level, return 0; } +/** + * _log_buffer - Internal function to print data buffer in hex and ascii form + * + * @cat: Category of log record (indicating which subsystem generated it) + * @level: Level of log record (indicating its severity) + * @file: File name of file where log record was generated + * @line: Line number in file where log record was generated + * @func: Function where log record was generated + * @addr: Starting address to display at start of line + * @data: pointer to data buffer + * @width: data value width. May be 1, 2, or 4. + * @count: number of values to display + * @linelen: Number of values to print per line; specify 0 for default length + */ +int _log_buffer(enum log_category_t cat, enum log_level_t level, + const char *file, int line, const char *func, ulong addr, + const void *data, uint width, uint count, uint linelen); + /* Define this at the top of a file to add a prefix to debug messages */ #ifndef pr_fmt #define pr_fmt(fmt) fmt @@ -156,6 +176,10 @@ static inline int _log_nop(enum log_category_t cat, enum log_level_t level, */ #if CONFIG_IS_ENABLED(LOG) #define _LOG_MAX_LEVEL CONFIG_VAL(LOG_MAX_LEVEL) +#else +#define _LOG_MAX_LEVEL LOGL_INFO +#endif + #define log_emer(_fmt...) log(LOG_CATEGORY, LOGL_EMERG, ##_fmt) #define log_alert(_fmt...) log(LOG_CATEGORY, LOGL_ALERT, ##_fmt) #define log_crit(_fmt...) log(LOG_CATEGORY, LOGL_CRIT, ##_fmt) @@ -167,41 +191,50 @@ static inline int _log_nop(enum log_category_t cat, enum log_level_t level, #define log_content(_fmt...) log(LOG_CATEGORY, LOGL_DEBUG_CONTENT, ##_fmt) #define log_io(_fmt...) log(LOG_CATEGORY, LOGL_DEBUG_IO, ##_fmt) #define log_cont(_fmt...) log(LOGC_CONT, LOGL_CONT, ##_fmt) -#else -#define _LOG_MAX_LEVEL LOGL_INFO -#define log_emerg(_fmt, ...) printf(_fmt, ##__VA_ARGS__) -#define log_alert(_fmt, ...) printf(_fmt, ##__VA_ARGS__) -#define log_crit(_fmt, ...) printf(_fmt, ##__VA_ARGS__) -#define log_err(_fmt, ...) printf(_fmt, ##__VA_ARGS__) -#define log_warning(_fmt, ...) printf(_fmt, ##__VA_ARGS__) -#define log_notice(_fmt, ...) printf(_fmt, ##__VA_ARGS__) -#define log_info(_fmt, ...) printf(_fmt, ##__VA_ARGS__) -#define log_cont(_fmt, ...) printf(_fmt, ##__VA_ARGS__) -#define log_debug(_fmt, ...) debug(_fmt, ##__VA_ARGS__) -#define log_content(_fmt...) log_nop(LOG_CATEGORY, \ - LOGL_DEBUG_CONTENT, ##_fmt) -#define log_io(_fmt...) log_nop(LOG_CATEGORY, LOGL_DEBUG_IO, ##_fmt) -#endif -#if CONFIG_IS_ENABLED(LOG) #ifdef LOG_DEBUG #define _LOG_DEBUG LOGL_FORCE_DEBUG #else #define _LOG_DEBUG 0 #endif +#if CONFIG_IS_ENABLED(LOG) + /* Emit a log record if the level is less that the maximum */ #define log(_cat, _level, _fmt, _args...) ({ \ int _l = _level; \ - if (CONFIG_IS_ENABLED(LOG) && \ - (_LOG_DEBUG != 0 || _l <= _LOG_MAX_LEVEL)) \ + if (_LOG_DEBUG != 0 || _l <= _LOG_MAX_LEVEL) \ _log((enum log_category_t)(_cat), \ (enum log_level_t)(_l | _LOG_DEBUG), __FILE__, \ __LINE__, __func__, \ pr_fmt(_fmt), ##_args); \ }) + +/* Emit a dump if the level is less that the maximum */ +#define log_buffer(_cat, _level, _addr, _data, _width, _count, _linelen) ({ \ + int _l = _level; \ + if (_LOG_DEBUG != 0 || _l <= _LOG_MAX_LEVEL) \ + _log_buffer((enum log_category_t)(_cat), \ + (enum log_level_t)(_l | _LOG_DEBUG), __FILE__, \ + __LINE__, __func__, _addr, _data, \ + _width, _count, _linelen); \ + }) #else -#define log(_cat, _level, _fmt, _args...) + +/* Note: _LOG_DEBUG != 0 avoids a warning with clang */ +#define log(_cat, _level, _fmt, _args...) ({ \ + int _l = _level; \ + if (_LOG_DEBUG != 0 || _l <= LOGL_INFO || \ + (_DEBUG && _l == LOGL_DEBUG)) \ + printf(_fmt, ##_args); \ + }) + +#define log_buffer(_cat, _level, _addr, _data, _width, _count, _linelen) ({ \ + int _l = _level; \ + if (_LOG_DEBUG != 0 || _l <= LOGL_INFO || \ + (_DEBUG && _l == LOGL_DEBUG)) \ + print_buffer(_addr, _data, _width, _count, _linelen); \ + }) #endif #define log_nop(_cat, _level, _fmt, _args...) ({ \ @@ -222,11 +255,14 @@ static inline int _log_nop(enum log_category_t cat, enum log_level_t level, #define _SPL_BUILD 0 #endif -#if !_DEBUG && CONFIG_IS_ENABLED(LOG) +#if CONFIG_IS_ENABLED(LOG) -#define debug_cond(cond, fmt, args...) \ -({ \ - log(LOG_CATEGORY, LOGL_DEBUG, fmt, ##args); \ +#define debug_cond(cond, fmt, args...) \ +({ \ + if (cond) \ + log(LOG_CATEGORY, \ + (enum log_level_t)(LOGL_FORCE_DEBUG | _LOG_DEBUG), \ + fmt, ##args); \ }) #else /* _DEBUG */ @@ -316,10 +352,30 @@ void __assert_fail(const char *assertion, const char *file, unsigned int line, __ret); \ __ret; \ }) + +/* + * Similar to the above, but any non-zero value is consider an error, not just + * values less than 0. + */ +#define log_retz(_ret) ({ \ + int __ret = (_ret); \ + if (__ret) \ + log(LOG_CATEGORY, LOGL_ERR, "returning err=%d\n", __ret); \ + __ret; \ + }) +#define log_msg_retz(_msg, _ret) ({ \ + int __ret = (_ret); \ + if (__ret) \ + log(LOG_CATEGORY, LOGL_ERR, "%s: returning err=%d\n", _msg, \ + __ret); \ + __ret; \ + }) #else /* Non-logging versions of the above which just return the error code */ #define log_ret(_ret) (_ret) #define log_msg_ret(_msg, _ret) ((void)(_msg), _ret) +#define log_retz(_ret) (_ret) +#define log_msg_retz(_msg, _ret) ((void)(_msg), _ret) #endif /** * enum log_rec_flags - Flags for a log record */ @@ -606,7 +662,7 @@ int log_remove_filter(const char *drv_name, int filter_num); * * @drv: Driver of device to enable * @enable: true to enable, false to disable - * @return 0 if OK, -ENOENT if the driver was not found + * Return: 0 if OK, -ENOENT if the driver was not found */ int log_device_set_enable(struct log_driver *drv, bool enable);