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

/*
 * (C) Copyright 2001
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * 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>

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) * CONFIG_SYS_HZ;

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

	return 0;
}

/* Implemented in $(CPU)/interrupts.c */
#if defined(CONFIG_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

U_BOOT_CMD(
	sleep ,    2,    1,     do_sleep,
	"sleep   - delay execution for some time\n",
	"N\n"
	"    - delay execution for N seconds (N is _decimal_ !!!)\n"
);
Commit	Line	Data
3863585b WD	1	/*
	2	* (C) Copyright 2001
	3	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	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
3863585b WD	30	int do_sleep (cmd_tbl_t cmdtp, int flag, int argc, char argv[])
3863585b WD	31	{
c4c13df2	32	ulong start = get_timer(0);
3863585b WD	33	ulong delay;
	34
	35	if (argc != 2) {
	36	printf ("Usage:\n%s\n", cmdtp->usage);
	37	return 1;
	38	}
	39
6d0f6bcf	40	delay = simple_strtoul(argv[1], NULL, 10) * CONFIG_SYS_HZ;
3863585b	41
c4c13df2 SR	42	while (get_timer(start) < delay) {
	43	if (ctrlc ()) {
	44	return (-1);
3863585b	45	}
c4c13df2	46	udelay (100);
3863585b	47	}
c4c13df2	48
3863585b WD	49	return 0;
3863585b WD	50	}
c4c13df2	51
8bde7f77	52	/* Implemented in $(CPU)/interrupts.c */
c76fe474	53	#if defined(CONFIG_CMD_IRQ)
8bde7f77 WD	54	int do_irqinfo (cmd_tbl_t cmdtp, int flag, int argc, char argv[]);
8bde7f77 WD	55
0d498393 WD	56	U_BOOT_CMD(
0d498393 WD	57	irqinfo, 1, 1, do_irqinfo,
8bde7f77 WD	58	"irqinfo - print information about IRQs\n",
	59	NULL
	60	);
c76fe474	61	#endif
8bde7f77	62
0d498393	63	U_BOOT_CMD(
9912121f	64	sleep , 2, 1, do_sleep,
8bde7f77 WD	65	"sleep - delay execution for some time\n",
	66	"N\n"
	67	" - delay execution for N seconds (N is _decimal_ !!!)\n"
	68	);