projects / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 3c7bb897 BM |
1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* | |
| 3 | * (C) Copyright 2001 | |
| 4 | * Wolfgang Denk, DENX Software Engineering, [email protected]. | |
| 5 | */ | |
| 6 | ||
| 3c7bb897 | 7 | #include <command.h> |
| 03de305e | 8 | #include <time.h> |
| 3c7bb897 BM |
9 | |
| 10 | static int do_timer(struct cmd_tbl *cmdtp, int flag, int argc, | |
| 11 | char *const argv[]) | |
| 12 | { | |
| 13 | static ulong start; | |
| 14 | ||
| 15 | if (argc != 2) | |
| 16 | return CMD_RET_USAGE; | |
| 17 | ||
| 18 | if (!strcmp(argv[1], "start")) | |
| 19 | start = get_timer(0); | |
| 20 | ||
| 21 | if (!strcmp(argv[1], "get")) { | |
| 22 | ulong msecs = get_timer(start) * 1000 / CONFIG_SYS_HZ; | |
| 23 | printf("%ld.%03d\n", msecs / 1000, (int)(msecs % 1000)); | |
| 24 | } | |
| 25 | ||
| 26 | return 0; | |
| 27 | } | |
| 28 | ||
| 29 | U_BOOT_CMD( | |
| 30 | timer, 2, 1, do_timer, | |
| 31 | "access the system timer", | |
| 32 | "start - Reset the timer reference.\n" | |
| 33 | "timer get - Print the time since 'start'." | |
| 34 | ); |