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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2014-09-30 10:26:20 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-09-30 15:33:22 +0200 |
| commit | 930ce6e142354268d11ec9fe5cf6f4fc66a8f1f0 (patch) | |
| tree | d924b3a215a8dac31e35c1e83ebf3440545d353e /include | |
| parent | 6ae9a40c799dd341db985c95cc906ae2e0aacf97 (diff) | |
| download | barebox-930ce6e142354268d11ec9fe5cf6f4fc66a8f1f0.tar.gz barebox-930ce6e142354268d11ec9fe5cf6f4fc66a8f1f0.tar.xz | |
Introduce message logging support
This adds a buffer for log messages and a 'dmesg' command to
print the messages. The log buffer is implemented as log objects
rather than a string buffer. This makes it easy to implement
limiting the messages, cleaning the buffer and timestamping
the messages.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/printk.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/printk.h b/include/printk.h index 454315632b..fb635868ab 100644 --- a/include/printk.h +++ b/include/printk.h @@ -72,4 +72,21 @@ int dev_printf(int level, const struct device_d *dev, const char *format, ...) #define debug(fmt, arg...) __pr_printk(7, pr_fmt(fmt), ##arg) #define pr_vdebug(fmt, arg...) __pr_printk(8, pr_fmt(fmt), ##arg) +struct log_entry { + struct list_head list; + char *msg; + void *dummy; + uint64_t timestamp; + int level; +}; + +extern struct list_head barebox_logbuf; + +extern void log_clean(unsigned int limit); + +#define BAREBOX_LOG_PRINT_TIME (1 << 0) +#define BAREBOX_LOG_DIFF_TIME (1 << 1) + +void log_print(unsigned flags); + #endif |