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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * (C) Copyright 2001
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- */
- #include <common.h>
- #include <command.h>
- static int do_timer(struct cmd_tbl *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'."
- );
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