It can be useful to dump the log into the file, e.g. when doing an update from a USB flash drive with no serial peer attached. Add a function to facilitate this.
Signed-off-by: Ahmad Fatoum <[email protected]> --- common/console_common.c | 20 ++++++++++++++++++++ include/printk.h | 1 + 2 files changed, 21 insertions(+) diff --git a/common/console_common.c b/common/console_common.c index 4c1230464c0b..aa9e943ef0e1 100644 --- a/common/console_common.c +++ b/common/console_common.c @@ -182,6 +182,26 @@ static int console_common_init(void) } device_initcall(console_common_init); +int log_writefile(const char *filepath) +{ + int ret = 0, nbytes = 0, fd = -1; + struct log_entry *log; + + fd = open(filepath, O_WRONLY | O_CREAT | O_TRUNC); + if (fd < 0) + return -errno; + + list_for_each_entry(log, &barebox_logbuf, list) { + ret = dputs(fd, log->msg); + if (ret < 0) + break; + nbytes += ret; + } + + close(fd); + return ret < 0 ? ret : nbytes; +} + void log_print(unsigned flags, unsigned levels) { struct log_entry *log; diff --git a/include/printk.h b/include/printk.h index 94a25ec9ebac..f83ad3bf07f0 100644 --- a/include/printk.h +++ b/include/printk.h @@ -141,6 +141,7 @@ extern void log_clean(unsigned int limit); #define BAREBOX_LOG_PRINT_ALERT BIT(1) #define BAREBOX_LOG_PRINT_EMERG BIT(0) +int log_writefile(const char *filepath); void log_print(unsigned flags, unsigned levels); struct va_format { -- 2.29.2 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
