[people/ms/u-boot.git] / common / cmd_misc.c

/*
 * (C) Copyright 2001
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

/*
 * Misc functions
 */
#include <common.h>
#include <command.h>

static int do_sleep(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	ulong start = get_timer(0);
	ulong delay;

	if (argc != 2)
		return CMD_RET_USAGE;

	delay = simple_strtoul(argv[1], NULL, 10) * CONFIG_SYS_HZ;

	while (get_timer(start) < delay) {
		if (ctrlc())
			return (-1);

		udelay(100);
	}

	return 0;
}

U_BOOT_CMD(
	sleep ,    2,    1,     do_sleep,
	"delay execution for some time",
	"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
Commit	Line	Data
3863585b WD	1	/*
	2	* (C) Copyright 2001
	3	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	4	*
1a459660	5	* SPDX-License-Identifier: GPL-2.0+
3863585b WD	6	*/
	7
	8	/*
	9	* Misc functions
	10	*/
	11	#include <common.h>
	12	#include <command.h>
	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);
3863585b WD	17	ulong delay;
3863585b WD	18
47e26b1b	19	if (argc != 2)
4c12eeb8	20	return CMD_RET_USAGE;
3863585b	21
6d0f6bcf	22	delay = simple_strtoul(argv[1], NULL, 10) * CONFIG_SYS_HZ;
3863585b	23
c4c13df2	24	while (get_timer(start) < delay) {
088f1b19	25	if (ctrlc())
c4c13df2	26	return (-1);
47e26b1b	27
088f1b19	28	udelay(100);
3863585b	29	}
c4c13df2	30
3863585b WD	31	return 0;
3863585b WD	32	}
c4c13df2	33
0d498393	34	U_BOOT_CMD(
9912121f	35	sleep , 2, 1, do_sleep,
2fb2604d	36	"delay execution for some time",
8bde7f77	37	"N\n"
a89c33db	38	" - delay execution for N seconds (N is _decimal_ !!!)"
8bde7f77	39	);
da83bcd7 JH	40
	41	#ifdef CONFIG_CMD_TIMER
	42	static int do_timer(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
	43	{
	44	static ulong start;
	45
	46	if (argc != 2)
	47	return CMD_RET_USAGE;
	48
	49	if (!strcmp(argv[1], "start"))
	50	start = get_timer(0);
	51
	52	if (!strcmp(argv[1], "get")) {
	53	ulong msecs = get_timer(start) * 1000 / CONFIG_SYS_HZ;
	54	printf("%ld.%03d\n", msecs / 1000, (int)(msecs % 1000));
	55	}
	56
	57	return 0;
	58	}
	59
	60	U_BOOT_CMD(
	61	timer, 2, 1, do_timer,
	62	"access the system timer",
	63	"start - Reset the timer reference.\n"
	64	"timer get - Print the time since 'start'."
	65	);
	66	#endif