Add msleep command
Change-Id: Ie2690c8e85dcb0779073033790d3d6e8e25a2fac
diff --git a/commands/Kconfig b/commands/Kconfig
index 1bef9f2..6395af1 100644
--- a/commands/Kconfig
+++ b/commands/Kconfig
@@ -25,6 +25,10 @@
tristate
prompt "sleep"
+config CMD_MSLEEP
+ tristate
+ prompt "msleep"
+
config CMD_SAVEENV
tristate
select ENV_HANDLING
diff --git a/commands/Makefile b/commands/Makefile
index 8adc77c..f147a1e 100644
--- a/commands/Makefile
+++ b/commands/Makefile
@@ -11,6 +11,7 @@
obj-$(CONFIG_CMD_EDIT) += edit.o
obj-$(CONFIG_CMD_EXEC) += exec.o
obj-$(CONFIG_CMD_SLEEP) += sleep.o
+obj-$(CONFIG_CMD_MSLEEP) += msleep.o
obj-$(CONFIG_CMD_RESET) += reset.o
obj-$(CONFIG_CMD_GO) += go.o
obj-$(CONFIG_NET) += net.o
diff --git a/commands/msleep.c b/commands/msleep.c
new file mode 100644
index 0000000..b0ce0f6
--- /dev/null
+++ b/commands/msleep.c
@@ -0,0 +1,50 @@
+/*
+ * msleep.c - delay execution
+ *
+ * Copyright (c) 2015 Google Inc.
+ * Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+#include <clock.h>
+
+static int do_msleep(struct command *cmdtp, int argc, char *argv[])
+{
+ uint64_t start;
+ ulong delay;
+
+ if (argc != 2)
+ return COMMAND_ERROR_USAGE;
+
+ delay = simple_strtoul(argv[1], NULL, 10);
+
+ start = get_time_ns();
+ while (!is_timeout(start, delay * MSECOND)) {
+ if (ctrlc())
+ return 1;
+ }
+
+ return 0;
+}
+
+BAREBOX_CMD_START(msleep)
+ .cmd = do_msleep,
+ .usage = "delay execution for n milliseconds",
+BAREBOX_CMD_END
