* (C) Copyright 2001
*
- * 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 as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
/*
#include <common.h>
#include <command.h>
-int do_sleep (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_sleep(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
ulong start = get_timer(0);
ulong delay;
delay = simple_strtoul(argv[1], NULL, 10) * CONFIG_SYS_HZ;
while (get_timer(start) < delay) {
- if (ctrlc ())
+ if (ctrlc())
return (-1);
- udelay (100);
+ udelay(100);
}
return 0;
"N\n"
" - delay execution for N seconds (N is _decimal_ !!!)"
);
+
+#ifdef CONFIG_CMD_TIMER
+static int do_timer(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ static ulong start;
+
+ if (argc != 2)
+ return CMD_RET_USAGE;
+
+ if (!strcmp(argv[1], "start"))
+ start = get_timer(0);
+
+ if (!strcmp(argv[1], "get")) {
+ ulong msecs = get_timer(start) * 1000 / CONFIG_SYS_HZ;
+ printf("%ld.%03d\n", msecs / 1000, (int)(msecs % 1000));
+ }
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ timer, 2, 1, do_timer,
+ "access the system timer",
+ "start - Reset the timer reference.\n"
+ "timer get - Print the time since 'start'."
+);
+#endif