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git.ipfire.org Git - people/ms/u-boot.git/blob - common/cmd_bootmenu.c
2 * (C) Copyright 2011-2013 Pali Rohár <pali.rohar@gmail.com>
4 * SPDX-License-Identifier: GPL-2.0+
13 #include <linux/string.h>
15 /* maximum bootmenu entries */
18 /* maximal size of bootmenu env
19 * 9 = strlen("bootmenu_")
20 * 2 = strlen(MAX_COUNT)
23 #define MAX_ENV_SIZE (9 + 2 + 1)
25 struct bootmenu_entry
{
26 unsigned short int num
; /* unique number 0 .. MAX_COUNT */
27 char key
[3]; /* key identifier of number */
28 char *title
; /* title of entry */
29 char *command
; /* hush command of entry */
30 struct bootmenu_data
*menu
; /* this bootmenu */
31 struct bootmenu_entry
*next
; /* next menu entry (num+1) */
34 struct bootmenu_data
{
35 int delay
; /* delay for autoboot */
36 int active
; /* active menu entry */
37 int count
; /* total count of menu entries */
38 struct bootmenu_entry
*first
; /* first menu entry */
48 static char *bootmenu_getoption(unsigned short int n
)
50 char name
[MAX_ENV_SIZE
];
55 sprintf(name
, "bootmenu_%d", n
);
59 static void bootmenu_print_entry(void *data
)
61 struct bootmenu_entry
*entry
= data
;
62 int reverse
= (entry
->menu
->active
== entry
->num
);
65 * Move cursor to line where the entry will be drown (entry->num)
66 * First 3 lines contain bootmenu header + 1 empty line
68 printf(ANSI_CURSOR_POSITION
, entry
->num
+ 4, 1);
73 puts(ANSI_COLOR_REVERSE
);
78 puts(ANSI_COLOR_RESET
);
81 static void bootmenu_autoboot_loop(struct bootmenu_data
*menu
,
82 enum bootmenu_key
*key
, int *esc
)
86 if (menu
->delay
> 0) {
87 printf(ANSI_CURSOR_POSITION
, menu
->count
+ 5, 1);
88 printf(" Hit any key to stop autoboot: %2d ", menu
->delay
);
91 while (menu
->delay
> 0) {
92 for (i
= 0; i
< 100; ++i
) {
122 printf("\b\b\b%2d ", menu
->delay
);
125 printf(ANSI_CURSOR_POSITION
, menu
->count
+ 5, 1);
126 puts(ANSI_CLEAR_LINE
);
128 if (menu
->delay
== 0)
132 static void bootmenu_loop(struct bootmenu_data
*menu
,
133 enum bootmenu_key
*key
, int *esc
)
146 /* First char of ANSI escape sequence '\e' */
153 /* Second char of ANSI '[' */
163 /* Third char of ANSI (number '1') - optional */
164 if (*esc
== 2 && c
== '1') {
172 /* ANSI 'A' - key up was pressed */
175 /* ANSI 'B' - key down was pressed */
178 /* other key was pressed */
185 /* enter key was pressed */
190 static char *bootmenu_choice_entry(void *data
)
192 struct bootmenu_data
*menu
= data
;
193 struct bootmenu_entry
*iter
;
194 enum bootmenu_key key
= KEY_NONE
;
199 if (menu
->delay
>= 0) {
200 /* Autoboot was not stopped */
201 bootmenu_autoboot_loop(menu
, &key
, &esc
);
203 /* Some key was pressed, so autoboot was stopped */
204 bootmenu_loop(menu
, &key
, &esc
);
209 if (menu
->active
> 0)
211 /* no menu key selected, regenerate menu */
214 if (menu
->active
< menu
->count
- 1)
216 /* no menu key selected, regenerate menu */
220 for (i
= 0; i
< menu
->active
; ++i
)
229 debug("bootmenu: this should not happen");
233 static void bootmenu_destroy(struct bootmenu_data
*menu
)
235 struct bootmenu_entry
*iter
= menu
->first
;
236 struct bootmenu_entry
*next
;
248 static struct bootmenu_data
*bootmenu_create(int delay
)
250 unsigned short int i
= 0;
252 struct bootmenu_data
*menu
;
253 struct bootmenu_entry
*iter
= NULL
;
257 struct bootmenu_entry
*entry
;
259 menu
= malloc(sizeof(struct bootmenu_data
));
267 while ((option
= bootmenu_getoption(i
))) {
268 sep
= strchr(option
, '=');
270 printf("Invalid bootmenu entry: %s\n", option
);
274 entry
= malloc(sizeof(struct bootmenu_entry
));
279 entry
->title
= malloc(len
+ 1);
284 memcpy(entry
->title
, option
, len
);
285 entry
->title
[len
] = 0;
287 len
= strlen(sep
+ 1);
288 entry
->command
= malloc(len
+ 1);
289 if (!entry
->command
) {
294 memcpy(entry
->command
, sep
+ 1, len
);
295 entry
->command
[len
] = 0;
297 sprintf(entry
->key
, "%d", i
);
311 if (i
== MAX_COUNT
- 1)
315 /* Add U-Boot console entry at the end */
316 if (i
<= MAX_COUNT
- 1) {
317 entry
= malloc(sizeof(struct bootmenu_entry
));
321 entry
->title
= strdup("U-Boot console");
327 entry
->command
= strdup("");
328 if (!entry
->command
) {
334 sprintf(entry
->key
, "%d", i
);
353 bootmenu_destroy(menu
);
357 static void bootmenu_show(int delay
)
362 char *command
= NULL
;
364 struct bootmenu_data
*bootmenu
;
365 struct bootmenu_entry
*iter
;
368 /* If delay is 0 do not create menu, just run first entry */
370 option
= bootmenu_getoption(0);
372 puts("bootmenu option 0 was not found\n");
375 sep
= strchr(option
, '=');
377 puts("bootmenu option 0 is invalid\n");
380 run_command(sep
+1, 0);
384 bootmenu
= bootmenu_create(delay
);
388 menu
= menu_create(NULL
, bootmenu
->delay
, 1, bootmenu_print_entry
,
389 bootmenu_choice_entry
, bootmenu
);
391 bootmenu_destroy(bootmenu
);
395 for (iter
= bootmenu
->first
; iter
; iter
= iter
->next
) {
396 if (!menu_item_add(menu
, iter
->key
, iter
))
400 /* Default menu entry is always first */
401 menu_default_set(menu
, "0");
403 puts(ANSI_CURSOR_HIDE
);
404 puts(ANSI_CLEAR_CONSOLE
);
405 printf(ANSI_CURSOR_POSITION
, 1, 1);
409 if (menu_get_choice(menu
, &choice
)) {
411 title
= strdup(iter
->title
);
412 command
= strdup(iter
->command
);
417 bootmenu_destroy(bootmenu
);
420 puts(ANSI_CURSOR_SHOW
);
421 puts(ANSI_CLEAR_CONSOLE
);
422 printf(ANSI_CURSOR_POSITION
, 1, 1);
425 if (title
&& command
) {
426 debug("Starting entry '%s'\n", title
);
428 run_command(command
, 0);
432 #ifdef CONFIG_POSTBOOTMENU
433 run_command(CONFIG_POSTBOOTMENU
, 0);
437 void menu_display_statusline(struct menu
*m
)
439 struct bootmenu_entry
*entry
;
440 struct bootmenu_data
*menu
;
442 if (menu_default_choice(m
, (void *)&entry
) < 0)
447 printf(ANSI_CURSOR_POSITION
, 1, 1);
448 puts(ANSI_CLEAR_LINE
);
449 printf(ANSI_CURSOR_POSITION
, 2, 1);
450 puts(" *** U-Boot Boot Menu ***");
451 puts(ANSI_CLEAR_LINE_TO_END
);
452 printf(ANSI_CURSOR_POSITION
, 3, 1);
453 puts(ANSI_CLEAR_LINE
);
455 /* First 3 lines are bootmenu header + 2 empty lines between entries */
456 printf(ANSI_CURSOR_POSITION
, menu
->count
+ 5, 1);
457 puts(ANSI_CLEAR_LINE
);
458 printf(ANSI_CURSOR_POSITION
, menu
->count
+ 6, 1);
459 puts(" Press UP/DOWN to move, ENTER to select");
460 puts(ANSI_CLEAR_LINE_TO_END
);
461 printf(ANSI_CURSOR_POSITION
, menu
->count
+ 7, 1);
462 puts(ANSI_CLEAR_LINE
);
465 #ifdef CONFIG_MENU_SHOW
466 int menu_show(int bootdelay
)
468 bootmenu_show(bootdelay
);
469 return -1; /* -1 - abort boot and run monitor code */
473 int do_bootmenu(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *const argv
[])
475 char *delay_str
= NULL
;
478 #if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0)
479 delay
= CONFIG_BOOTDELAY
;
486 delay_str
= getenv("bootmenu_delay");
489 delay
= (int)simple_strtol(delay_str
, NULL
, 10);
491 bootmenu_show(delay
);
496 bootmenu
, 2, 1, do_bootmenu
,
497 "ANSI terminal bootmenu",
499 " - show ANSI terminal bootmenu with autoboot delay"