[thirdparty/u-boot.git] / cmd / bootmenu.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2011-2013 Pali Rohár <pali.rohar@gmail.com>
 */

#include <common.h>
#include <command.h>
#include <ansi.h>
#include <menu.h>
#include <watchdog.h>
#include <malloc.h>
#include <linux/string.h>

/* maximum bootmenu entries */
#define MAX_COUNT	99

/* maximal size of bootmenu env
 *  9 = strlen("bootmenu_")
 *  2 = strlen(MAX_COUNT)
 *  1 = NULL term
 */
#define MAX_ENV_SIZE	(9 + 2 + 1)

struct bootmenu_entry {
	unsigned short int num;		/* unique number 0 .. MAX_COUNT */
	char key[3];			/* key identifier of number */
	char *title;			/* title of entry */
	char *command;			/* hush command of entry */
	struct bootmenu_data *menu;	/* this bootmenu */
	struct bootmenu_entry *next;	/* next menu entry (num+1) */
};

struct bootmenu_data {
	int delay;			/* delay for autoboot */
	int active;			/* active menu entry */
	int count;			/* total count of menu entries */
	struct bootmenu_entry *first;	/* first menu entry */
};

enum bootmenu_key {
	KEY_NONE = 0,
	KEY_UP,
	KEY_DOWN,
	KEY_SELECT,
};

static char *bootmenu_getoption(unsigned short int n)
{
	char name[MAX_ENV_SIZE];

	if (n > MAX_COUNT)
		return NULL;

	sprintf(name, "bootmenu_%d", n);
	return env_get(name);
}

static void bootmenu_print_entry(void *data)
{
	struct bootmenu_entry *entry = data;
	int reverse = (entry->menu->active == entry->num);

	/*
	 * Move cursor to line where the entry will be drown (entry->num)
	 * First 3 lines contain bootmenu header + 1 empty line
	 */
	printf(ANSI_CURSOR_POSITION, entry->num + 4, 1);

	puts("     ");

	if (reverse)
		puts(ANSI_COLOR_REVERSE);

	puts(entry->title);

	if (reverse)
		puts(ANSI_COLOR_RESET);
}

static void bootmenu_autoboot_loop(struct bootmenu_data *menu,
				enum bootmenu_key *key, int *esc)
{
	int i, c;

	if (menu->delay > 0) {
		printf(ANSI_CURSOR_POSITION, menu->count + 5, 1);
		printf("  Hit any key to stop autoboot: %2d ", menu->delay);
	}

	while (menu->delay > 0) {
		for (i = 0; i < 100; ++i) {
			if (!tstc()) {
				WATCHDOG_RESET();
				mdelay(10);
				continue;
			}

			menu->delay = -1;
			c = getc();

			switch (c) {
			case '\e':
				*esc = 1;
				*key = KEY_NONE;
				break;
			case '\r':
				*key = KEY_SELECT;
				break;
			default:
				*key = KEY_NONE;
				break;
			}

			break;
		}

		if (menu->delay < 0)
			break;

		--menu->delay;
		printf("\b\b\b%2d ", menu->delay);
	}

	printf(ANSI_CURSOR_POSITION, menu->count + 5, 1);
	puts(ANSI_CLEAR_LINE);

	if (menu->delay == 0)
		*key = KEY_SELECT;
}

static void bootmenu_loop(struct bootmenu_data *menu,
		enum bootmenu_key *key, int *esc)
{
	int c;

	while (!tstc()) {
		WATCHDOG_RESET();
		mdelay(10);
	}

	c = getc();

	switch (*esc) {
	case 0:
		/* First char of ANSI escape sequence '\e' */
		if (c == '\e') {
			*esc = 1;
			*key = KEY_NONE;
		}
		break;
	case 1:
		/* Second char of ANSI '[' */
		if (c == '[') {
			*esc = 2;
			*key = KEY_NONE;
		} else {
			*esc = 0;
		}
		break;
	case 2:
	case 3:
		/* Third char of ANSI (number '1') - optional */
		if (*esc == 2 && c == '1') {
			*esc = 3;
			*key = KEY_NONE;
			break;
		}

		*esc = 0;

		/* ANSI 'A' - key up was pressed */
		if (c == 'A')
			*key = KEY_UP;
		/* ANSI 'B' - key down was pressed */
		else if (c == 'B')
			*key = KEY_DOWN;
		/* other key was pressed */
		else
			*key = KEY_NONE;

		break;
	}

	/* enter key was pressed */
	if (c == '\r')
		*key = KEY_SELECT;
}

static char *bootmenu_choice_entry(void *data)
{
	struct bootmenu_data *menu = data;
	struct bootmenu_entry *iter;
	enum bootmenu_key key = KEY_NONE;
	int esc = 0;
	int i;

	while (1) {
		if (menu->delay >= 0) {
			/* Autoboot was not stopped */
			bootmenu_autoboot_loop(menu, &key, &esc);
		} else {
			/* Some key was pressed, so autoboot was stopped */
			bootmenu_loop(menu, &key, &esc);
		}

		switch (key) {
		case KEY_UP:
			if (menu->active > 0)
				--menu->active;
			/* no menu key selected, regenerate menu */
			return NULL;
		case KEY_DOWN:
			if (menu->active < menu->count - 1)
				++menu->active;
			/* no menu key selected, regenerate menu */
			return NULL;
		case KEY_SELECT:
			iter = menu->first;
			for (i = 0; i < menu->active; ++i)
				iter = iter->next;
			return iter->key;
		default:
			break;
		}
	}

	/* never happens */
	debug("bootmenu: this should not happen");
	return NULL;
}

static void bootmenu_destroy(struct bootmenu_data *menu)
{
	struct bootmenu_entry *iter = menu->first;
	struct bootmenu_entry *next;

	while (iter) {
		next = iter->next;
		free(iter->title);
		free(iter->command);
		free(iter);
		iter = next;
	}
	free(menu);
}

static struct bootmenu_data *bootmenu_create(int delay)
{
	unsigned short int i = 0;
	const char *option;
	struct bootmenu_data *menu;
	struct bootmenu_entry *iter = NULL;

	int len;
	char *sep;
	struct bootmenu_entry *entry;

	menu = malloc(sizeof(struct bootmenu_data));
	if (!menu)
		return NULL;

	menu->delay = delay;
	menu->active = 0;
	menu->first = NULL;

	while ((option = bootmenu_getoption(i))) {
		sep = strchr(option, '=');
		if (!sep) {
			printf("Invalid bootmenu entry: %s\n", option);
			break;
		}

		entry = malloc(sizeof(struct bootmenu_entry));
		if (!entry)
			goto cleanup;

		len = sep-option;
		entry->title = malloc(len + 1);
		if (!entry->title) {
			free(entry);
			goto cleanup;
		}
		memcpy(entry->title, option, len);
		entry->title[len] = 0;

		len = strlen(sep + 1);
		entry->command = malloc(len + 1);
		if (!entry->command) {
			free(entry->title);
			free(entry);
			goto cleanup;
		}
		memcpy(entry->command, sep + 1, len);
		entry->command[len] = 0;

		sprintf(entry->key, "%d", i);

		entry->num = i;
		entry->menu = menu;
		entry->next = NULL;

		if (!iter)
			menu->first = entry;
		else
			iter->next = entry;

		iter = entry;
		++i;

		if (i == MAX_COUNT - 1)
			break;
	}

	/* Add U-Boot console entry at the end */
	if (i <= MAX_COUNT - 1) {
		entry = malloc(sizeof(struct bootmenu_entry));
		if (!entry)
			goto cleanup;

		entry->title = strdup("U-Boot console");
		if (!entry->title) {
			free(entry);
			goto cleanup;
		}

		entry->command = strdup("");
		if (!entry->command) {
			free(entry->title);
			free(entry);
			goto cleanup;
		}

		sprintf(entry->key, "%d", i);

		entry->num = i;
		entry->menu = menu;
		entry->next = NULL;

		if (!iter)
			menu->first = entry;
		else
			iter->next = entry;

		iter = entry;
		++i;
	}

	menu->count = i;
	return menu;

cleanup:
	bootmenu_destroy(menu);
	return NULL;
}

static void bootmenu_show(int delay)
{
	int init = 0;
	void *choice = NULL;
	char *title = NULL;
	char *command = NULL;
	struct menu *menu;
	struct bootmenu_data *bootmenu;
	struct bootmenu_entry *iter;
	char *option, *sep;

	/* If delay is 0 do not create menu, just run first entry */
	if (delay == 0) {
		option = bootmenu_getoption(0);
		if (!option) {
			puts("bootmenu option 0 was not found\n");
			return;
		}
		sep = strchr(option, '=');
		if (!sep) {
			puts("bootmenu option 0 is invalid\n");
			return;
		}
		run_command(sep+1, 0);
		return;
	}

	bootmenu = bootmenu_create(delay);
	if (!bootmenu)
		return;

	menu = menu_create(NULL, bootmenu->delay, 1, bootmenu_print_entry,
			   bootmenu_choice_entry, bootmenu);
	if (!menu) {
		bootmenu_destroy(bootmenu);
		return;
	}

	for (iter = bootmenu->first; iter; iter = iter->next) {
		if (!menu_item_add(menu, iter->key, iter))
			goto cleanup;
	}

	/* Default menu entry is always first */
	menu_default_set(menu, "0");

	puts(ANSI_CURSOR_HIDE);
	puts(ANSI_CLEAR_CONSOLE);
	printf(ANSI_CURSOR_POSITION, 1, 1);

	init = 1;

	if (menu_get_choice(menu, &choice)) {
		iter = choice;
		title = strdup(iter->title);
		command = strdup(iter->command);
	}

cleanup:
	menu_destroy(menu);
	bootmenu_destroy(bootmenu);

	if (init) {
		puts(ANSI_CURSOR_SHOW);
		puts(ANSI_CLEAR_CONSOLE);
		printf(ANSI_CURSOR_POSITION, 1, 1);
	}

	if (title && command) {
		debug("Starting entry '%s'\n", title);
		free(title);
		run_command(command, 0);
		free(command);
	}

#ifdef CONFIG_POSTBOOTMENU
	run_command(CONFIG_POSTBOOTMENU, 0);
#endif
}

void menu_display_statusline(struct menu *m)
{
	struct bootmenu_entry *entry;
	struct bootmenu_data *menu;

	if (menu_default_choice(m, (void *)&entry) < 0)
		return;

	menu = entry->menu;

	printf(ANSI_CURSOR_POSITION, 1, 1);
	puts(ANSI_CLEAR_LINE);
	printf(ANSI_CURSOR_POSITION, 2, 1);
	puts("  *** U-Boot Boot Menu ***");
	puts(ANSI_CLEAR_LINE_TO_END);
	printf(ANSI_CURSOR_POSITION, 3, 1);
	puts(ANSI_CLEAR_LINE);

	/* First 3 lines are bootmenu header + 2 empty lines between entries */
	printf(ANSI_CURSOR_POSITION, menu->count + 5, 1);
	puts(ANSI_CLEAR_LINE);
	printf(ANSI_CURSOR_POSITION, menu->count + 6, 1);
	puts("  Press UP/DOWN to move, ENTER to select");
	puts(ANSI_CLEAR_LINE_TO_END);
	printf(ANSI_CURSOR_POSITION, menu->count + 7, 1);
	puts(ANSI_CLEAR_LINE);
}

#ifdef CONFIG_MENU_SHOW
int menu_show(int bootdelay)
{
	bootmenu_show(bootdelay);
	return -1; /* -1 - abort boot and run monitor code */
}
#endif

int do_bootmenu(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
	char *delay_str = NULL;
	int delay = 10;

#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0)
	delay = CONFIG_BOOTDELAY;
#endif

	if (argc >= 2)
		delay_str = argv[1];

	if (!delay_str)
		delay_str = env_get("bootmenu_delay");

	if (delay_str)
		delay = (int)simple_strtol(delay_str, NULL, 10);

	bootmenu_show(delay);
	return 0;
}

U_BOOT_CMD(
	bootmenu, 2, 1, do_bootmenu,
	"ANSI terminal bootmenu",
	"[delay]\n"
	"    - show ANSI terminal bootmenu with autoboot delay"
);
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
e7abe919 T	2	/*
e7abe919 T	3	* (C) Copyright 2011-2013 Pali Rohár <pali.rohar@gmail.com>
e7abe919 T	4	*/
	5
	6	#include <common.h>
	7	#include <command.h>
	8	#include <ansi.h>
	9	#include <menu.h>
e7abe919 T	10	#include <watchdog.h>
	11	#include <malloc.h>
	12	#include <linux/string.h>
	13
	14	/* maximum bootmenu entries */
	15	#define MAX_COUNT 99
	16
	17	/* maximal size of bootmenu env
	18	* 9 = strlen("bootmenu_")
	19	* 2 = strlen(MAX_COUNT)
	20	* 1 = NULL term
	21	*/
	22	#define MAX_ENV_SIZE (9 + 2 + 1)
	23
	24	struct bootmenu_entry {
	25	unsigned short int num; /* unique number 0 .. MAX_COUNT */
	26	char key[3]; /* key identifier of number */
	27	char title; / title of entry */
	28	char command; / hush command of entry */
	29	struct bootmenu_data menu; / this bootmenu */
	30	struct bootmenu_entry next; / next menu entry (num+1) */
	31	};
	32
	33	struct bootmenu_data {
	34	int delay; /* delay for autoboot */
	35	int active; /* active menu entry */
	36	int count; /* total count of menu entries */
	37	struct bootmenu_entry first; / first menu entry */
	38	};
	39
	40	enum bootmenu_key {
	41	KEY_NONE = 0,
	42	KEY_UP,
	43	KEY_DOWN,
	44	KEY_SELECT,
	45	};
	46
	47	static char *bootmenu_getoption(unsigned short int n)
	48	{
0eb33ad2	49	char name[MAX_ENV_SIZE];
e7abe919 T	50
	51	if (n > MAX_COUNT)
	52	return NULL;
	53
0eb33ad2	54	sprintf(name, "bootmenu_%d", n);
00caae6d	55	return env_get(name);
e7abe919 T	56	}
	57
	58	static void bootmenu_print_entry(void *data)
	59	{
	60	struct bootmenu_entry *entry = data;
	61	int reverse = (entry->menu->active == entry->num);
	62
	63	/*
	64	* Move cursor to line where the entry will be drown (entry->num)
	65	* First 3 lines contain bootmenu header + 1 empty line
	66	*/
	67	printf(ANSI_CURSOR_POSITION, entry->num + 4, 1);
	68
	69	puts(" ");
	70
	71	if (reverse)
	72	puts(ANSI_COLOR_REVERSE);
	73
	74	puts(entry->title);
	75
	76	if (reverse)
	77	puts(ANSI_COLOR_RESET);
	78	}
	79
	80	static void bootmenu_autoboot_loop(struct bootmenu_data *menu,
	81	enum bootmenu_key key, int esc)
	82	{
	83	int i, c;
	84
	85	if (menu->delay > 0) {
	86	printf(ANSI_CURSOR_POSITION, menu->count + 5, 1);
	87	printf(" Hit any key to stop autoboot: %2d ", menu->delay);
	88	}
	89
	90	while (menu->delay > 0) {
	91	for (i = 0; i < 100; ++i) {
	92	if (!tstc()) {
	93	WATCHDOG_RESET();
	94	mdelay(10);
	95	continue;
	96	}
	97
	98	menu->delay = -1;
	99	c = getc();
	100
	101	switch (c) {
	102	case '\e':
	103	*esc = 1;
	104	*key = KEY_NONE;
	105	break;
	106	case '\r':
	107	*key = KEY_SELECT;
	108	break;
	109	default:
	110	*key = KEY_NONE;
	111	break;
	112	}
	113
	114	break;
	115	}
	116
	117	if (menu->delay < 0)
	118	break;
	119
120	--menu->delay;
121	printf("\b\b\b%2d ", menu->delay);
122	}
123
124	printf(ANSI_CURSOR_POSITION, menu->count + 5, 1);
125	puts(ANSI_CLEAR_LINE);
126
127	if (menu->delay == 0)
128	*key = KEY_SELECT;
129	}
130
131	static void bootmenu_loop(struct bootmenu_data *menu,
132	enum bootmenu_key key, int esc)
133	{
134	int c;
135
136	while (!tstc()) {
137	WATCHDOG_RESET();
138	mdelay(10);
139	}
140
141	c = getc();
142
143	switch (*esc) {
144	case 0:
145	/* First char of ANSI escape sequence '\e' */
146	if (c == '\e') {
147	*esc = 1;
148	*key = KEY_NONE;
149	}
150	break;
151	case 1:
152	/* Second char of ANSI '[' */
153	if (c == '[') {
154	*esc = 2;
155	*key = KEY_NONE;
156	} else {
157	*esc = 0;
158	}
159	break;
160	case 2:
161	case 3:
162	/* Third char of ANSI (number '1') - optional */
163	if (*esc == 2 && c == '1') {
164	*esc = 3;
165	*key = KEY_NONE;
166	break;
167	}
168
169	*esc = 0;
170
171	/* ANSI 'A' - key up was pressed */
172	if (c == 'A')
173	*key = KEY_UP;
174	/* ANSI 'B' - key down was pressed */
175	else if (c == 'B')
176	*key = KEY_DOWN;
177	/* other key was pressed */
178	else
179	*key = KEY_NONE;
180
181	break;
182	}
183
184	/* enter key was pressed */
185	if (c == '\r')
186	*key = KEY_SELECT;
187	}
188
189	static char bootmenu_choice_entry(void data)
190	{
191	struct bootmenu_data *menu = data;
192	struct bootmenu_entry *iter;
193	enum bootmenu_key key = KEY_NONE;
194	int esc = 0;
195	int i;
196
197	while (1) {
198	if (menu->delay >= 0) {
199	/* Autoboot was not stopped */
200	bootmenu_autoboot_loop(menu, &key, &esc);
201	} else {
202	/* Some key was pressed, so autoboot was stopped */
203	bootmenu_loop(menu, &key, &esc);
204	}
205
206	switch (key) {
207	case KEY_UP:
208	if (menu->active > 0)
209	--menu->active;
210	/* no menu key selected, regenerate menu */
211	return NULL;
212	case KEY_DOWN:
213	if (menu->active < menu->count - 1)
214	++menu->active;
215	/* no menu key selected, regenerate menu */
216	return NULL;
217	case KEY_SELECT:
218	iter = menu->first;
219	for (i = 0; i < menu->active; ++i)
220	iter = iter->next;
221	return iter->key;
222	default:
223	break;
224	}
225	}
226
227	/* never happens */
228	debug("bootmenu: this should not happen");
229	return NULL;
230	}
231
232	static void bootmenu_destroy(struct bootmenu_data *menu)
233	{
234	struct bootmenu_entry *iter = menu->first;
235	struct bootmenu_entry *next;
236
237	while (iter) {
238	next = iter->next;
239	free(iter->title);
240	free(iter->command);
241	free(iter);
242	iter = next;
243	}
244	free(menu);
245	}
246
247	static struct bootmenu_data *bootmenu_create(int delay)
248	{
249	unsigned short int i = 0;
250	const char *option;
251	struct bootmenu_data *menu;
252	struct bootmenu_entry *iter = NULL;
253
254	int len;
255	char *sep;
256	struct bootmenu_entry *entry;
257
258	menu = malloc(sizeof(struct bootmenu_data));
259	if (!menu)
260	return NULL;
261
262	menu->delay = delay;
263	menu->active = 0;
264	menu->first = NULL;
265
266	while ((option = bootmenu_getoption(i))) {
267	sep = strchr(option, '=');
268	if (!sep) {
269	printf("Invalid bootmenu entry: %s\n", option);
270	break;
271	}
272
273	entry = malloc(sizeof(struct bootmenu_entry));
274	if (!entry)
275	goto cleanup;
276
277	len = sep-option;
278	entry->title = malloc(len + 1);
279	if (!entry->title) {
280	free(entry);
281	goto cleanup;
282	}
283	memcpy(entry->title, option, len);
284	entry->title[len] = 0;
285
286	len = strlen(sep + 1);
287	entry->command = malloc(len + 1);
288	if (!entry->command) {
289	free(entry->title);
290	free(entry);
291	goto cleanup;
292	}
293	memcpy(entry->command, sep + 1, len);
294	entry->command[len] = 0;
295
296	sprintf(entry->key, "%d", i);
297
298	entry->num = i;
299	entry->menu = menu;
300	entry->next = NULL;
301
302	if (!iter)
303	menu->first = entry;
304	else
305	iter->next = entry;
306
307	iter = entry;
308	++i;
309
310	if (i == MAX_COUNT - 1)
311	break;
312	}
313
314	/* Add U-Boot console entry at the end */
315	if (i <= MAX_COUNT - 1) {
316	entry = malloc(sizeof(struct bootmenu_entry));
317	if (!entry)
318	goto cleanup;
319
320	entry->title = strdup("U-Boot console");
321	if (!entry->title) {
322	free(entry);
323	goto cleanup;
324	}
325
326	entry->command = strdup("");
327	if (!entry->command) {
328	free(entry->title);
329	free(entry);
330	goto cleanup;
331	}
332
333	sprintf(entry->key, "%d", i);
334
335	entry->num = i;
336	entry->menu = menu;
337	entry->next = NULL;
338
339	if (!iter)
340	menu->first = entry;
341	else
342	iter->next = entry;
343
344	iter = entry;
345	++i;
346	}
347
348	menu->count = i;
349	return menu;
350
351	cleanup:
352	bootmenu_destroy(menu);
353	return NULL;
354	}
355
356	static void bootmenu_show(int delay)
357	{
358	int init = 0;
359	void *choice = NULL;
360	char *title = NULL;
361	char *command = NULL;
362	struct menu *menu;
363	struct bootmenu_data *bootmenu;
364	struct bootmenu_entry *iter;
365	char option, sep;
366
367	/* If delay is 0 do not create menu, just run first entry */
368	if (delay == 0) {
369	option = bootmenu_getoption(0);
370	if (!option) {
371	puts("bootmenu option 0 was not found\n");
372	return;
373	}
374	sep = strchr(option, '=');
375	if (!sep) {
376	puts("bootmenu option 0 is invalid\n");
377	return;
378	}
379	run_command(sep+1, 0);
380	return;
381	}
382
383	bootmenu = bootmenu_create(delay);
384	if (!bootmenu)
385	return;
386
387	menu = menu_create(NULL, bootmenu->delay, 1, bootmenu_print_entry,
388	bootmenu_choice_entry, bootmenu);
389	if (!menu) {
390	bootmenu_destroy(bootmenu);
391	return;
392	}
393
394	for (iter = bootmenu->first; iter; iter = iter->next) {
395	if (!menu_item_add(menu, iter->key, iter))
396	goto cleanup;
397	}
398
399	/* Default menu entry is always first */
400	menu_default_set(menu, "0");
401
402	puts(ANSI_CURSOR_HIDE);
403	puts(ANSI_CLEAR_CONSOLE);
404	printf(ANSI_CURSOR_POSITION, 1, 1);
405
406	init = 1;
407
408	if (menu_get_choice(menu, &choice)) {
409	iter = choice;
410	title = strdup(iter->title);
411	command = strdup(iter->command);
412	}
413
414	cleanup:
415	menu_destroy(menu);
416	bootmenu_destroy(bootmenu);
417
418	if (init) {
419	puts(ANSI_CURSOR_SHOW);
420	puts(ANSI_CLEAR_CONSOLE);
421	printf(ANSI_CURSOR_POSITION, 1, 1);
422	}
423
424	if (title && command) {
425	debug("Starting entry '%s'\n", title);
426	free(title);
427	run_command(command, 0);
428	free(command);
429	}
430
431	#ifdef CONFIG_POSTBOOTMENU
432	run_command(CONFIG_POSTBOOTMENU, 0);
433	#endif
434	}
435
436	void menu_display_statusline(struct menu *m)
437	{
438	struct bootmenu_entry *entry;
439	struct bootmenu_data *menu;
440
441	if (menu_default_choice(m, (void *)&entry) < 0)
442	return;
443
444	menu = entry->menu;
445
446	printf(ANSI_CURSOR_POSITION, 1, 1);
447	puts(ANSI_CLEAR_LINE);
448	printf(ANSI_CURSOR_POSITION, 2, 1);
449	puts(" * U-Boot Boot Menu *");
450	puts(ANSI_CLEAR_LINE_TO_END);
451	printf(ANSI_CURSOR_POSITION, 3, 1);
452	puts(ANSI_CLEAR_LINE);
453
454	/* First 3 lines are bootmenu header + 2 empty lines between entries */
455	printf(ANSI_CURSOR_POSITION, menu->count + 5, 1);
456	puts(ANSI_CLEAR_LINE);
457	printf(ANSI_CURSOR_POSITION, menu->count + 6, 1);
458	puts(" Press UP/DOWN to move, ENTER to select");
459	puts(ANSI_CLEAR_LINE_TO_END);
460	printf(ANSI_CURSOR_POSITION, menu->count + 7, 1);
461	puts(ANSI_CLEAR_LINE);
462	}
463
464	#ifdef CONFIG_MENU_SHOW
465	int menu_show(int bootdelay)
466	{
467	bootmenu_show(bootdelay);
468	return -1; /* -1 - abort boot and run monitor code */
469	}
470	#endif
471
472	int do_bootmenu(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
473	{
474	char *delay_str = NULL;
475	int delay = 10;
476
477	#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0)
478	delay = CONFIG_BOOTDELAY;
479	#endif
480
481	if (argc >= 2)
482	delay_str = argv[1];
483
484	if (!delay_str)
00caae6d	485	delay_str = env_get("bootmenu_delay");
e7abe919 T	486
	487	if (delay_str)
	488	delay = (int)simple_strtol(delay_str, NULL, 10);
	489
	490	bootmenu_show(delay);
	491	return 0;
	492	}
	493
	494	U_BOOT_CMD(
	495	bootmenu, 2, 1, do_bootmenu,
	496	"ANSI terminal bootmenu",
	497	"[delay]\n"
	498	" - show ANSI terminal bootmenu with autoboot delay"
	499	);