diff options
Diffstat (limited to 'cmd/timer.c')
-rw-r--r-- | cmd/timer.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/cmd/timer.c b/cmd/timer.c new file mode 100644 index 0000000000..551be5dd54 --- /dev/null +++ b/cmd/timer.c @@ -0,0 +1,34 @@ +// 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'." +); |