Add a command for adjusting the log level.
Signed-off-by: Simon Glass <s...@chromium.org>
Reviewed-by: Bin Meng <bmeng...@gmail.com>
---
Changes in v4: None
Changes in v3: None
Changes in v2: None
cmd/Kconfig | 7 +++++++
cmd/Makefile | 1 +
cmd/log.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 63 insertions(+)
create mode 100644 cmd/log.c
diff --git a/cmd/Kconfig b/cmd/Kconfig
index 5a6afab99b..b745a7e977 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -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
diff --git a/cmd/Makefile b/cmd/Makefile
index f9eb76090d..00e38696da 100644
--- a/cmd/Makefile
+++ b/cmd/Makefile
@@ -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
diff --git a/cmd/log.c b/cmd/log.c
new file mode 100644
index 0000000000..44e04ab16a
--- /dev/null
+++ b/cmd/log.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2017 Google, Inc
+ * Written by Simon Glass <s...@chromium.org>
+ *
+ * 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
+);
--
2.15.0.531.g2ccb3012c9-goog
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot
