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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2001
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*/
/*
* Misc functions
*/
#include <common.h>
#include <command.h>
#include <console.h>
#include <linux/delay.h>
static int do_sleep(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
ulong start = get_timer(0);
ulong mdelay = 0;
ulong delay;
char *frpart;
if (argc != 2)
return CMD_RET_USAGE;
delay = simple_strtoul(argv[1], NULL, 10) * CONFIG_SYS_HZ;
frpart = strchr(argv[1], '.');
if (frpart) {
uint mult = CONFIG_SYS_HZ / 10;
for (frpart++; *frpart != '\0' && mult > 0; frpart++) {
if (*frpart < '0' || *frpart > '9') {
mdelay = 0;
break;
}
mdelay += (*frpart - '0') * mult;
mult /= 10;
}
}
delay += mdelay;
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_ and can be\n"
" fractional)"
);
#ifdef CONFIG_CMD_TIMER
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'."
);
#endif
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