[J-u-boot.git] / common / cmd_misc.c

/*
 * (C) Copyright 2001
 * Wolfgang Denk, DENX Software Engineering, [email protected].
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

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

#if (CONFIG_COMMANDS & CFG_CMD_MISC)

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

	if (argc != 2) {
		printf ("Usage:\n%s\n", cmdtp->usage);
		return 1;
	}

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

	while (get_timer(start) < delay) {
		if (ctrlc ()) {
			return (-1);
		}
		udelay (100);
	}

	return 0;
}

/* Implemented in $(CPU)/interrupts.c */
#if (CONFIG_COMMANDS & CFG_CMD_IRQ)
int do_irqinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);

U_BOOT_CMD(
	irqinfo,    1,    1,     do_irqinfo,
	"irqinfo - print information about IRQs\n",
	NULL
);
#endif  /* CONFIG_COMMANDS & CFG_CMD_IRQ */

U_BOOT_CMD(
	sleep ,    2,    2,     do_sleep,
	"sleep   - delay execution for some time\n",
	"N\n"
	"    - delay execution for N seconds (N is _decimal_ !!!)\n"
);

#endif	/* CFG_CMD_MISC */
Commit	Line	Data
3863585b WD	1	/*
	2	* (C) Copyright 2001
	3	* Wolfgang Denk, DENX Software Engineering, [email protected].
	4	*
	5	* See file CREDITS for list of people who contributed to this
	6	* project.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation; either version 2 of
	11	* the License, or (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	* MA 02111-1307 USA
	22	*/
	23
	24	/*
	25	* Misc functions
	26	*/
	27	#include <common.h>
	28	#include <command.h>
	29
	30	#if (CONFIG_COMMANDS & CFG_CMD_MISC)
	31
	32	int do_sleep (cmd_tbl_t cmdtp, int flag, int argc, char argv[])
	33	{
c4c13df2	34	ulong start = get_timer(0);
3863585b WD	35	ulong delay;
	36
	37	if (argc != 2) {
	38	printf ("Usage:\n%s\n", cmdtp->usage);
	39	return 1;
	40	}
	41
c4c13df2	42	delay = simple_strtoul(argv[1], NULL, 10) * CFG_HZ;
3863585b	43
c4c13df2 SR	44	while (get_timer(start) < delay) {
	45	if (ctrlc ()) {
	46	return (-1);
3863585b	47	}
c4c13df2	48	udelay (100);
3863585b	49	}
c4c13df2	50
3863585b WD	51	return 0;
3863585b WD	52	}
c4c13df2	53
8bde7f77 WD	54	/* Implemented in $(CPU)/interrupts.c */
	55	#if (CONFIG_COMMANDS & CFG_CMD_IRQ)
	56	int do_irqinfo (cmd_tbl_t cmdtp, int flag, int argc, char argv[]);
	57
0d498393 WD	58	U_BOOT_CMD(
0d498393 WD	59	irqinfo, 1, 1, do_irqinfo,
8bde7f77 WD	60	"irqinfo - print information about IRQs\n",
	61	NULL
	62	);
	63	#endif /* CONFIG_COMMANDS & CFG_CMD_IRQ */
	64
0d498393 WD	65	U_BOOT_CMD(
0d498393 WD	66	sleep , 2, 2, do_sleep,
8bde7f77 WD	67	"sleep - delay execution for some time\n",
	68	"N\n"
	69	" - delay execution for N seconds (N is _decimal_ !!!)\n"
	70	);
3863585b WD	71
3863585b WD	72	#endif /* CFG_CMD_MISC */