[thirdparty/u-boot.git] / boot / bootretry.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2000
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 */

#include <common.h>
#include <bootretry.h>
#include <cli.h>
#include <env.h>
#include <errno.h>
#include <time.h>
#include <watchdog.h>

static uint64_t endtime;  /* must be set, default is instant timeout */
static int      retry_time = -1; /* -1 so can call readline before main_loop */

/***************************************************************************
 * initialize command line timeout
 */
void bootretry_init_cmd_timeout(void)
{
	char *s = env_get("bootretry");

	if (s != NULL)
		retry_time = (int)simple_strtol(s, NULL, 10);
	else
		retry_time = CONFIG_BOOT_RETRY_TIME;

	if (retry_time >= 0 && retry_time < CONFIG_BOOT_RETRY_MIN)
		retry_time = CONFIG_BOOT_RETRY_MIN;
}

/***************************************************************************
 * reset command line timeout to retry_time seconds
 */
void bootretry_reset_cmd_timeout(void)
{
	endtime = endtick(retry_time);
}

int bootretry_tstc_timeout(void)
{
	while (!tstc()) {	/* while no incoming data */
		if (retry_time >= 0 && get_ticks() > endtime)
			return -ETIMEDOUT;
		schedule();
	}

	return 0;
}

void bootretry_dont_retry(void)
{
	retry_time = -1;
}
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
0098e179 SG	2	/*
	3	* (C) Copyright 2000
	4	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
0098e179 SG	5	*/
	6
	7	#include <common.h>
	8	#include <bootretry.h>
	9	#include <cli.h>
7b51b576	10	#include <env.h>
0098e179	11	#include <errno.h>
1045315d	12	#include <time.h>
0098e179 SG	13	#include <watchdog.h>
0098e179 SG	14
0098e179 SG	15	static uint64_t endtime; /* must be set, default is instant timeout */
	16	static int retry_time = -1; /* -1 so can call readline before main_loop */
	17
	18	/***************************************************************************
	19	* initialize command line timeout
	20	*/
b26440f1	21	void bootretry_init_cmd_timeout(void)
0098e179	22	{
00caae6d	23	char *s = env_get("bootretry");
0098e179 SG	24
	25	if (s != NULL)
	26	retry_time = (int)simple_strtol(s, NULL, 10);
	27	else
	28	retry_time = CONFIG_BOOT_RETRY_TIME;
	29
	30	if (retry_time >= 0 && retry_time < CONFIG_BOOT_RETRY_MIN)
	31	retry_time = CONFIG_BOOT_RETRY_MIN;
	32	}
	33
	34	/***************************************************************************
	35	* reset command line timeout to retry_time seconds
	36	*/
b26440f1	37	void bootretry_reset_cmd_timeout(void)
0098e179 SG	38	{
	39	endtime = endtick(retry_time);
	40	}
	41
	42	int bootretry_tstc_timeout(void)
	43	{
	44	while (!tstc()) { /* while no incoming data */
	45	if (retry_time >= 0 && get_ticks() > endtime)
	46	return -ETIMEDOUT;
29caf930	47	schedule();
0098e179 SG	48	}
	49
	50	return 0;
	51	}
	52
	53	void bootretry_dont_retry(void)
	54	{
	55	retry_time = -1;
	56	}