projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 3863585b WD |
2 | /* |
| 3 | * (C) Copyright 2001 | |
| 4 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
| 3863585b WD |
5 | */ |
| 6 | ||
| 7 | /* | |
| 8 | * Misc functions | |
| 9 | */ | |
| 10 | #include <common.h> | |
| 11 | #include <command.h> | |
| 24b852a7 | 12 | #include <console.h> |
| 3863585b | 13 | |
| 088f1b19 | 14 | static int do_sleep(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
| 3863585b | 15 | { |
| c4c13df2 | 16 | ulong start = get_timer(0); |
| c4974632 | 17 | ulong mdelay = 0; |
| 3863585b | 18 | ulong delay; |
| c4974632 | 19 | char *frpart; |
| 3863585b | 20 | |
| 47e26b1b | 21 | if (argc != 2) |
| 4c12eeb8 | 22 | return CMD_RET_USAGE; |
| 3863585b | 23 | |
| 6d0f6bcf | 24 | delay = simple_strtoul(argv[1], NULL, 10) * CONFIG_SYS_HZ; |
| 3863585b | 25 | |
| c4974632 | 26 | frpart = strchr(argv[1], '.'); |
| 27 | ||
| 28 | if (frpart) { | |
| 29 | uint mult = CONFIG_SYS_HZ / 10; | |
| 30 | for (frpart++; *frpart != '\0' && mult > 0; frpart++) { | |
| 31 | if (*frpart < '0' || *frpart > '9') { | |
| 32 | mdelay = 0; | |
| 33 | break; | |
| 34 | } | |
| 35 | mdelay += (*frpart - '0') * mult; | |
| 36 | mult /= 10; | |
| 37 | } | |
| 38 | } | |
| 39 | ||
| 40 | delay += mdelay; | |
| 41 | ||
| c4c13df2 | 42 | while (get_timer(start) < delay) { |
| 088f1b19 | 43 | if (ctrlc()) |
| c4c13df2 | 44 | return (-1); |
| 47e26b1b | 45 | |
| 088f1b19 | 46 | udelay(100); |
| 3863585b | 47 | } |
| c4c13df2 | 48 | |
| 3863585b WD |
49 | return 0; |
| 50 | } | |
| c4c13df2 | 51 | |
| 0d498393 | 52 | U_BOOT_CMD( |
| 9912121f | 53 | sleep , 2, 1, do_sleep, |
| 2fb2604d | 54 | "delay execution for some time", |
| 8bde7f77 | 55 | "N\n" |
| c4974632 | 56 | " - delay execution for N seconds (N is _decimal_ and can be\n" |
| 57 | " fractional)" | |
| 8bde7f77 | 58 | ); |
| da83bcd7 JH |
59 | |
| 60 | #ifdef CONFIG_CMD_TIMER | |
| 61 | static int do_timer(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
| 62 | { | |
| 63 | static ulong start; | |
| 64 | ||
| 65 | if (argc != 2) | |
| 66 | return CMD_RET_USAGE; | |
| 67 | ||
| 68 | if (!strcmp(argv[1], "start")) | |
| 69 | start = get_timer(0); | |
| 70 | ||
| 71 | if (!strcmp(argv[1], "get")) { | |
| 72 | ulong msecs = get_timer(start) * 1000 / CONFIG_SYS_HZ; | |
| 73 | printf("%ld.%03d\n", msecs / 1000, (int)(msecs % 1000)); | |
| 74 | } | |
| 75 | ||
| 76 | return 0; | |
| 77 | } | |
| 78 | ||
| 79 | U_BOOT_CMD( | |
| 80 | timer, 2, 1, do_timer, | |
| 81 | "access the system timer", | |
| 82 | "start - Reset the timer reference.\n" | |
| 83 | "timer get - Print the time since 'start'." | |
| 84 | ); | |
| 85 | #endif |