[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 delay;

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

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

	while (delay) {
		int i;
		for (i=0; i<1000; ++i) {
			if (ctrlc ()) {
				return (-1);
			}
			udelay (1000);
		}
		--delay;
	}
	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	{
	34	ulong delay;
	35
	36	if (argc != 2) {
	37	printf ("Usage:\n%s\n", cmdtp->usage);
	38	return 1;
	39	}
	40
	41	delay = simple_strtoul(argv[1], NULL, 10);
	42
	43	while (delay) {
	44	int i;
	45	for (i=0; i<1000; ++i) {
	46	if (ctrlc ()) {
	47	return (-1);
	48	}
	49	udelay (1000);
	50	}
	51	--delay;
	52	}
	53	return 0;
	54	}
8bde7f77 WD	55	/* Implemented in $(CPU)/interrupts.c */
	56	#if (CONFIG_COMMANDS & CFG_CMD_IRQ)
	57	int do_irqinfo (cmd_tbl_t cmdtp, int flag, int argc, char argv[]);
	58
0d498393 WD	59	U_BOOT_CMD(
0d498393 WD	60	irqinfo, 1, 1, do_irqinfo,
8bde7f77 WD	61	"irqinfo - print information about IRQs\n",
	62	NULL
	63	);
	64	#endif /* CONFIG_COMMANDS & CFG_CMD_IRQ */
	65
0d498393 WD	66	U_BOOT_CMD(
0d498393 WD	67	sleep , 2, 2, do_sleep,
8bde7f77 WD	68	"sleep - delay execution for some time\n",
	69	"N\n"
	70	" - delay execution for N seconds (N is _decimal_ !!!)\n"
	71	);
3863585b WD	72
3863585b WD	73	#endif /* CFG_CMD_MISC */