/** Log levels supported, ranging from most to least important */
enum log_level_t {
- LOGL_EMERG = 0, /*U-Boot is unstable */
+ LOGL_EMERG = 0, /* U-Boot is unstable */
LOGL_ALERT, /* Action must be taken immediately */
LOGL_CRIT, /* Critical conditions */
LOGL_ERR, /* Error that prevents something from working */
* @return 0 if log record was emitted, -ve on error
*/
int _log(enum log_category_t cat, enum log_level_t level, const char *file,
- int line, const char *func, const char *fmt, ...);
+ int line, const char *func, const char *fmt, ...)
+ __attribute__ ((format (__printf__, 6, 7)));
+
+static inline int _log_nop(enum log_category_t cat, enum log_level_t level,
+ const char *file, int line, const char *func,
+ const char *fmt, ...)
+ __attribute__ ((format (__printf__, 6, 7)));
+
+static inline int _log_nop(enum log_category_t cat, enum log_level_t level,
+ const char *file, int line, const char *func,
+ const char *fmt, ...)
+{
+ return 0;
+}
/* Define this at the top of a file to add a prefix to debug messages */
#ifndef pr_fmt
#define log_io(_fmt...) log(LOG_CATEGORY, LOGL_DEBUG_IO, ##_fmt)
#else
#define _LOG_MAX_LEVEL LOGL_INFO
-#define log_err(_fmt...)
-#define log_warning(_fmt...)
-#define log_notice(_fmt...)
-#define log_info(_fmt...)
-#define log_debug(_fmt...)
-#define log_content(_fmt...)
-#define log_io(_fmt...)
+#define log_err(_fmt...) log_nop(LOG_CATEGORY, LOGL_ERR, ##_fmt)
+#define log_warning(_fmt...) log_nop(LOG_CATEGORY, LOGL_WARNING, ##_fmt)
+#define log_notice(_fmt...) log_nop(LOG_CATEGORY, LOGL_NOTICE, ##_fmt)
+#define log_info(_fmt...) log_nop(LOG_CATEGORY, LOGL_INFO, ##_fmt)
+#define log_debug(_fmt...) log_nop(LOG_CATEGORY, LOGL_DEBUG, ##_fmt)
+#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 1
+#else
+#define _LOG_DEBUG 0
+#endif
/* Emit a log record if the level is less that the maximum */
#define log(_cat, _level, _fmt, _args...) ({ \
int _l = _level; \
- if (_l <= _LOG_MAX_LEVEL) \
+ if (CONFIG_IS_ENABLED(LOG) && (_l <= _LOG_MAX_LEVEL || _LOG_DEBUG)) \
_log((enum log_category_t)(_cat), _l, __FILE__, __LINE__, \
__func__, \
pr_fmt(_fmt), ##_args); \
#define log(_cat, _level, _fmt, _args...)
#endif
+#define log_nop(_cat, _level, _fmt, _args...) ({ \
+ int _l = _level; \
+ _log_nop((enum log_category_t)(_cat), _l, __FILE__, __LINE__, \
+ __func__, pr_fmt(_fmt), ##_args); \
+})
+
#ifdef DEBUG
#define _DEBUG 1
#else
*/
void __assert_fail(const char *assertion, const char *file, unsigned int line,
const char *function);
+
+/**
+ * assert() - assert expression is true
+ *
+ * If the expression x evaluates to false and _DEBUG evaluates to true, a panic
+ * message is written and the system stalls. The value of _DEBUG is set to true
+ * if DEBUG is defined before including common.h.
+ *
+ * The expression x is always executed irrespective of the value of _DEBUG.
+ *
+ * @x: expression to test
+ */
#define assert(x) \
({ if (!(x) && _DEBUG) \
__assert_fail(#x, __FILE__, __LINE__, __func__); })