Commit d5f61f27 authored by Simon Glass's avatar Simon Glass Committed by Tom Rini

log: Add a 'log level' command

Add a command for adjusting the log level.
Signed-off-by: default avatarSimon Glass <[email protected]>
Reviewed-by: Bin Meng's avatarBin Meng <[email protected]>
parent c6d47535
......@@ -1502,6 +1502,13 @@ config CMD_KGDB
single-stepping, inspecting variables, etc. This is supported only
on PowerPC at present.
config CMD_LOG
bool "log - Generation, control and access to logging"
help
This provides access to logging features. It allows the output of
log data to be controlled to a limited extent (setting up the default
maximum log level for emitting of records).
config CMD_TRACE
bool "trace - Support tracing of function calls and timing"
help
......
......@@ -76,6 +76,7 @@ obj-$(CONFIG_LED_STATUS_CMD) += legacy_led.o
obj-$(CONFIG_CMD_LED) += led.o
obj-$(CONFIG_CMD_LICENSE) += license.o
obj-y += load.o
obj-$(CONFIG_CMD_LOG) += log.o
obj-$(CONFIG_ID_EEPROM) += mac.o
obj-$(CONFIG_CMD_MD5SUM) += md5sum.o
obj-$(CONFIG_CMD_MEMORY) += mem.o
......
/*
* Copyright (c) 2017 Google, Inc
* Written by Simon Glass <[email protected]>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <dm.h>
#include <log.h>
static int do_log_level(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
if (argc > 1)
gd->default_log_level = simple_strtol(argv[1], NULL, 10);
else
printf("Default log level: %d\n", gd->default_log_level);
return 0;
}
static cmd_tbl_t log_sub[] = {
U_BOOT_CMD_MKENT(level, CONFIG_SYS_MAXARGS, 1, do_log_level, "", ""),
};
static int do_log(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
cmd_tbl_t *cp;
if (argc < 2)
return CMD_RET_USAGE;
/* drop initial "log" arg */
argc--;
argv++;
cp = find_cmd_tbl(argv[0], log_sub, ARRAY_SIZE(log_sub));
if (cp)
return cp->cmd(cmdtp, flag, argc, argv);
return CMD_RET_USAGE;
}
#ifdef CONFIG_SYS_LONGHELP
static char log_help_text[] =
"level - get/set log level\n"
;
#endif
U_BOOT_CMD(
log, CONFIG_SYS_MAXARGS, 1, do_log,
"log system", log_help_text
);
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