Tom Rini
11 years ago
commit
5644369450
@ -0,0 +1,517 @@ |
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/*
|
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* (C) Copyright 2011-2013 Pali Rohár <pali.rohar@gmail.com> |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
||||
* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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|
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#include <common.h> |
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#include <command.h> |
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#include <ansi.h> |
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#include <menu.h> |
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#include <hush.h> |
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#include <watchdog.h> |
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#include <malloc.h> |
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#include <linux/string.h> |
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|
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/* maximum bootmenu entries */ |
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#define MAX_COUNT 99 |
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|
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/* maximal size of bootmenu env
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* 9 = strlen("bootmenu_") |
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* 2 = strlen(MAX_COUNT) |
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* 1 = NULL term |
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*/ |
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#define MAX_ENV_SIZE (9 + 2 + 1) |
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struct bootmenu_entry { |
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unsigned short int num; /* unique number 0 .. MAX_COUNT */ |
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char key[3]; /* key identifier of number */ |
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char *title; /* title of entry */ |
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char *command; /* hush command of entry */ |
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struct bootmenu_data *menu; /* this bootmenu */ |
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struct bootmenu_entry *next; /* next menu entry (num+1) */ |
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}; |
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|
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struct bootmenu_data { |
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int delay; /* delay for autoboot */ |
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int active; /* active menu entry */ |
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int count; /* total count of menu entries */ |
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struct bootmenu_entry *first; /* first menu entry */ |
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}; |
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|
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enum bootmenu_key { |
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KEY_NONE = 0, |
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KEY_UP, |
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KEY_DOWN, |
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KEY_SELECT, |
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}; |
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|
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static char *bootmenu_getoption(unsigned short int n) |
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{ |
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char name[MAX_ENV_SIZE] = "bootmenu_"; |
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|
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if (n > MAX_COUNT) |
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return NULL; |
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|
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sprintf(name + 9, "%d", n); |
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return getenv(name); |
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} |
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|
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static void bootmenu_print_entry(void *data) |
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{ |
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struct bootmenu_entry *entry = data; |
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int reverse = (entry->menu->active == entry->num); |
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|
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/*
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* Move cursor to line where the entry will be drown (entry->num) |
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* First 3 lines contain bootmenu header + 1 empty line |
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*/ |
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printf(ANSI_CURSOR_POSITION, entry->num + 4, 1); |
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|
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puts(" "); |
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|
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if (reverse) |
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puts(ANSI_COLOR_REVERSE); |
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|
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puts(entry->title); |
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|
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if (reverse) |
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puts(ANSI_COLOR_RESET); |
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} |
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|
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static void bootmenu_autoboot_loop(struct bootmenu_data *menu, |
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enum bootmenu_key *key, int *esc) |
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{ |
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int i, c; |
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|
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if (menu->delay > 0) { |
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printf(ANSI_CURSOR_POSITION, menu->count + 5, 1); |
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printf(" Hit any key to stop autoboot: %2d ", menu->delay); |
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} |
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|
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while (menu->delay > 0) { |
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for (i = 0; i < 100; ++i) { |
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if (!tstc()) { |
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WATCHDOG_RESET(); |
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mdelay(10); |
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continue; |
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} |
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|
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menu->delay = -1; |
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c = getc(); |
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switch (c) { |
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case '\e': |
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*esc = 1; |
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*key = KEY_NONE; |
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break; |
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case '\r': |
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*key = KEY_SELECT; |
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break; |
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default: |
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*key = KEY_NONE; |
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break; |
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} |
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break; |
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} |
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if (menu->delay < 0) |
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break; |
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--menu->delay; |
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printf("\b\b\b%2d ", menu->delay); |
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} |
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printf(ANSI_CURSOR_POSITION, menu->count + 5, 1); |
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puts(ANSI_CLEAR_LINE); |
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if (menu->delay == 0) |
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*key = KEY_SELECT; |
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} |
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static void bootmenu_loop(struct bootmenu_data *menu, |
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enum bootmenu_key *key, int *esc) |
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{ |
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int c; |
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|
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while (!tstc()) { |
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WATCHDOG_RESET(); |
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mdelay(10); |
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} |
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c = getc(); |
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switch (*esc) { |
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case 0: |
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/* First char of ANSI escape sequence '\e' */ |
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if (c == '\e') { |
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*esc = 1; |
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*key = KEY_NONE; |
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} |
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break; |
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case 1: |
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/* Second char of ANSI '[' */ |
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if (c == '[') { |
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*esc = 2; |
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*key = KEY_NONE; |
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} else { |
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*esc = 0; |
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} |
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break; |
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case 2: |
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case 3: |
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/* Third char of ANSI (number '1') - optional */ |
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if (*esc == 2 && c == '1') { |
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*esc = 3; |
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*key = KEY_NONE; |
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break; |
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} |
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*esc = 0; |
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/* ANSI 'A' - key up was pressed */ |
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if (c == 'A') |
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*key = KEY_UP; |
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/* ANSI 'B' - key down was pressed */ |
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else if (c == 'B') |
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*key = KEY_DOWN; |
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/* other key was pressed */ |
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else |
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*key = KEY_NONE; |
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break; |
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} |
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/* enter key was pressed */ |
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if (c == '\r') |
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*key = KEY_SELECT; |
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} |
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static char *bootmenu_choice_entry(void *data) |
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{ |
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struct bootmenu_data *menu = data; |
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struct bootmenu_entry *iter; |
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enum bootmenu_key key = KEY_NONE; |
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int esc = 0; |
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int i; |
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while (1) { |
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if (menu->delay >= 0) { |
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/* Autoboot was not stopped */ |
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bootmenu_autoboot_loop(menu, &key, &esc); |
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} else { |
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/* Some key was pressed, so autoboot was stopped */ |
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bootmenu_loop(menu, &key, &esc); |
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} |
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switch (key) { |
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case KEY_UP: |
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if (menu->active > 0) |
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--menu->active; |
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/* no menu key selected, regenerate menu */ |
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return NULL; |
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case KEY_DOWN: |
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if (menu->active < menu->count - 1) |
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++menu->active; |
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/* no menu key selected, regenerate menu */ |
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return NULL; |
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case KEY_SELECT: |
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iter = menu->first; |
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for (i = 0; i < menu->active; ++i) |
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iter = iter->next; |
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return iter->key; |
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default: |
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break; |
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} |
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} |
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|
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/* never happens */ |
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debug("bootmenu: this should not happen"); |
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return NULL; |
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} |
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static void bootmenu_destroy(struct bootmenu_data *menu) |
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{ |
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struct bootmenu_entry *iter = menu->first; |
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struct bootmenu_entry *next; |
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while (iter) { |
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next = iter->next; |
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free(iter->title); |
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free(iter->command); |
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free(iter); |
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iter = next; |
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} |
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free(menu); |
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} |
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static struct bootmenu_data *bootmenu_create(int delay) |
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{ |
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unsigned short int i = 0; |
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const char *option; |
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struct bootmenu_data *menu; |
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struct bootmenu_entry *iter = NULL; |
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int len; |
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char *sep; |
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struct bootmenu_entry *entry; |
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menu = malloc(sizeof(struct bootmenu_data)); |
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if (!menu) |
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return NULL; |
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menu->delay = delay; |
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menu->active = 0; |
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menu->first = NULL; |
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while ((option = bootmenu_getoption(i))) { |
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sep = strchr(option, '='); |
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if (!sep) { |
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printf("Invalid bootmenu entry: %s\n", option); |
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break; |
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} |
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entry = malloc(sizeof(struct bootmenu_entry)); |
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if (!entry) |
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goto cleanup; |
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len = sep-option; |
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entry->title = malloc(len + 1); |
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if (!entry->title) { |
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free(entry); |
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goto cleanup; |
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} |
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memcpy(entry->title, option, len); |
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entry->title[len] = 0; |
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len = strlen(sep + 1); |
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entry->command = malloc(len + 1); |
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if (!entry->command) { |
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free(entry->title); |
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free(entry); |
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goto cleanup; |
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} |
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memcpy(entry->command, sep + 1, len); |
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entry->command[len] = 0; |
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sprintf(entry->key, "%d", i); |
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entry->num = i; |
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entry->menu = menu; |
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entry->next = NULL; |
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if (!iter) |
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menu->first = entry; |
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else |
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iter->next = entry; |
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iter = entry; |
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++i; |
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if (i == MAX_COUNT - 1) |
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break; |
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} |
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/* Add U-Boot console entry at the end */ |
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if (i <= MAX_COUNT - 1) { |
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entry = malloc(sizeof(struct bootmenu_entry)); |
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if (!entry) |
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goto cleanup; |
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entry->title = strdup("U-Boot console"); |
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if (!entry->title) { |
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free(entry); |
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goto cleanup; |
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} |
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entry->command = strdup(""); |
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if (!entry->command) { |
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free(entry->title); |
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free(entry); |
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goto cleanup; |
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} |
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sprintf(entry->key, "%d", i); |
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entry->num = i; |
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entry->menu = menu; |
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entry->next = NULL; |
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if (!iter) |
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menu->first = entry; |
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else |
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iter->next = entry; |
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iter = entry; |
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++i; |
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} |
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menu->count = i; |
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return menu; |
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cleanup: |
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bootmenu_destroy(menu); |
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return NULL; |
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} |
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static void bootmenu_show(int delay) |
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{ |
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int init = 0; |
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void *choice = NULL; |
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char *title = NULL; |
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char *command = NULL; |
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struct menu *menu; |
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struct bootmenu_data *bootmenu; |
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struct bootmenu_entry *iter; |
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char *option, *sep; |
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|
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/* If delay is 0 do not create menu, just run first entry */ |
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if (delay == 0) { |
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option = bootmenu_getoption(0); |
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if (!option) { |
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puts("bootmenu option 0 was not found\n"); |
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return; |
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} |
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sep = strchr(option, '='); |
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if (!sep) { |
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puts("bootmenu option 0 is invalid\n"); |
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return; |
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} |
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run_command(sep+1, 0); |
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return; |
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} |
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|
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bootmenu = bootmenu_create(delay); |
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if (!bootmenu) |
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return; |
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|
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menu = menu_create(NULL, bootmenu->delay, 1, bootmenu_print_entry, |
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bootmenu_choice_entry, bootmenu); |
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if (!menu) { |
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bootmenu_destroy(bootmenu); |
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return; |
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} |
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for (iter = bootmenu->first; iter; iter = iter->next) { |
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if (!menu_item_add(menu, iter->key, iter)) |
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goto cleanup; |
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} |
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|
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/* Default menu entry is always first */ |
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menu_default_set(menu, "0"); |
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|
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puts(ANSI_CURSOR_HIDE); |
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puts(ANSI_CLEAR_CONSOLE); |
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printf(ANSI_CURSOR_POSITION, 1, 1); |
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init = 1; |
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if (menu_get_choice(menu, &choice)) { |
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iter = choice; |
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title = strdup(iter->title); |
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command = strdup(iter->command); |
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} |
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cleanup: |
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menu_destroy(menu); |
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bootmenu_destroy(bootmenu); |
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|
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if (init) { |
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puts(ANSI_CURSOR_SHOW); |
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puts(ANSI_CLEAR_CONSOLE); |
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printf(ANSI_CURSOR_POSITION, 1, 1); |
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} |
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|
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if (title && command) { |
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debug("Starting entry '%s'\n", title); |
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free(title); |
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run_command(command, 0); |
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free(command); |
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} |
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|
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#ifdef CONFIG_POSTBOOTMENU |
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run_command(CONFIG_POSTBOOTMENU, 0); |
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#endif |
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} |
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|
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void menu_display_statusline(struct menu *m) |
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{ |
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struct bootmenu_entry *entry; |
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struct bootmenu_data *menu; |
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|
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if (menu_default_choice(m, (void *)&entry) < 0) |
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return; |
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|
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menu = entry->menu; |
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|
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printf(ANSI_CURSOR_POSITION, 1, 1); |
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puts(ANSI_CLEAR_LINE); |
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printf(ANSI_CURSOR_POSITION, 2, 1); |
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puts(" *** U-Boot Boot Menu ***"); |
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puts(ANSI_CLEAR_LINE_TO_END); |
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printf(ANSI_CURSOR_POSITION, 3, 1); |
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puts(ANSI_CLEAR_LINE); |
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|
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/* First 3 lines are bootmenu header + 2 empty lines between entries */ |
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printf(ANSI_CURSOR_POSITION, menu->count + 5, 1); |
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puts(ANSI_CLEAR_LINE); |
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printf(ANSI_CURSOR_POSITION, menu->count + 6, 1); |
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puts(" Press UP/DOWN to move, ENTER to select"); |
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puts(ANSI_CLEAR_LINE_TO_END); |
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printf(ANSI_CURSOR_POSITION, menu->count + 7, 1); |
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puts(ANSI_CLEAR_LINE); |
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} |
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|
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#ifdef CONFIG_MENU_SHOW |
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int menu_show(int bootdelay) |
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{ |
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bootmenu_show(bootdelay); |
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return -1; /* -1 - abort boot and run monitor code */ |
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} |
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#endif |
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|
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int do_bootmenu(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) |
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{ |
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char *delay_str = NULL; |
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int delay = 10; |
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|
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#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0) |
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delay = CONFIG_BOOTDELAY; |
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#endif |
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|
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if (argc >= 2) |
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delay_str = argv[1]; |
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|
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if (!delay_str) |
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delay_str = getenv("bootmenu_delay"); |
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|
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if (delay_str) |
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delay = (int)simple_strtol(delay_str, NULL, 10); |
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|
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bootmenu_show(delay); |
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return 0; |
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} |
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|
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U_BOOT_CMD( |
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bootmenu, 2, 1, do_bootmenu, |
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"ANSI terminal bootmenu", |
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"[delay]\n" |
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" - show ANSI terminal bootmenu with autoboot delay" |
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); |
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@ -0,0 +1,115 @@ |
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/* |
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* (C) Copyright 2011-2012 Pali Rohár <pali.rohar@gmail.com> |
||||
* |
||||
* 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 |
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*/ |
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|
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ANSI terminal bootmenu command |
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|
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The "bootmenu" command uses U-Boot menu interfaces and provides |
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a simple mechanism for creating menus with different boot items. |
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The cursor keys "Up" and "Down" are used for navigation through |
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the items. Current active menu item is highlighted and can be |
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selected using the "Enter" key. The selection of the highlighted |
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menu entry invokes an U-Boot command (or a list of commands) |
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associated with this menu entry. |
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|
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The "bootmenu" command interprets ANSI escape sequencies, so |
||||
an ANSI terminal is required for proper menu rendering and item |
||||
selection. |
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|
||||
The assembling of the menu is done via a set of environment variables |
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"bootmenu_<num>" and "bootmenu_delay", i.e.: |
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|
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bootmenu_delay=<delay> |
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bootmenu_<num>="<title>=<commands>" |
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|
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<delay> is the autoboot delay in seconds, after which the first |
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menu entry will be selected automatically |
||||
|
||||
<num> is the boot menu entry number, starting from zero |
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|
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<title> is the text of the menu entry shown on the console |
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or on the boot screen |
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|
||||
<commands> are commands which will be executed when a menu |
||||
entry is selected |
||||
|
||||
(title and commands are separated by first appearance of '=' |
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character in the environment variable) |
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|
||||
First (optional) argument of the "bootmenu" command is a delay specifier |
||||
and it overrides the delay value defined by "bootmenu_delay" environment |
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variable. If the environment variable "bootmenu_delay" is not set or if |
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the argument of the "bootmenu" command is not specified, the default delay |
||||
will be CONFIG_BOOTDELAY. If delay is 0, no menu entries will be shown on |
||||
the console (or on the screen) and the command of the first menu entry will |
||||
be called immediately. If delay is less then 0, bootmenu will be shown and |
||||
autoboot will be disabled. |
||||
|
||||
Bootmenu always adds menu entry "U-Boot console" at the end of all menu |
||||
entries specified by environment variables. When selecting this entry |
||||
the bootmenu terminates and the usual U-Boot command prompt is presented |
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to the user. |
||||
|
||||
Example environment: |
||||
|
||||
setenv bootmenu_0 Boot 1. kernel=bootm 0x82000000 # Set first menu entry |
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setenv bootmenu_1 Boot 2. kernel=bootm 0x83000000 # Set second menu entry |
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setenv bootmenu_2 Reset board=reset # Set third menu entry |
||||
setenv bootmenu_3 U-Boot boot order=boot # Set fourth menu entry |
||||
bootmenu 20 # Run bootmenu with autoboot delay 20s |
||||
|
||||
|
||||
The above example will be rendered as below |
||||
(without decorating rectangle): |
||||
|
||||
┌──────────────────────────────────────────┐ |
||||
│ │ |
||||
│ *** U-Boot Boot Menu *** │ |
||||
│ │ |
||||
│ Boot 1. kernel │ |
||||
│ Boot 2. kernel │ |
||||
│ Reset board │ |
||||
│ U-Boot boot order │ |
||||
│ U-Boot console │ |
||||
│ │ |
||||
│ Hit any key to stop autoboot: 20 │ |
||||
│ Press UP/DOWN to move, ENTER to select │ |
||||
│ │ |
||||
└──────────────────────────────────────────┘ |
||||
|
||||
Selected menu entry will be highlighted - it will have inverted |
||||
background and text colors. |
||||
|
||||
To enable the "bootmenu" command add following definitions to the |
||||
board config file: |
||||
|
||||
#define CONFIG_CMD_BOOTMENU |
||||
#define CONFIG_MENU |
||||
|
||||
To run the bootmenu at startup add these additional definitions: |
||||
|
||||
#define CONFIG_AUTOBOOT_KEYED |
||||
#define CONFIG_BOOTDELAY 30 |
||||
#define CONFIG_MENU_SHOW |
||||
|
||||
When you intend to use the bootmenu on color frame buffer console, |
||||
make sure to additionally define CONFIG_CFB_CONSOLE_ANSI in the |
||||
board config file. |
||||
@ -0,0 +1,42 @@ |
||||
/*
|
||||
* (C) Copyright 2012 |
||||
* Pali Rohár <pali.rohar@gmail.com> |
||||
* |
||||
* 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 |
||||
*/ |
||||
|
||||
/*
|
||||
* ANSI terminal |
||||
*/ |
||||
|
||||
#define ANSI_CURSOR_UP "\e[%dA" |
||||
#define ANSI_CURSOR_DOWN "\e[%dB" |
||||
#define ANSI_CURSOR_FORWARD "\e[%dC" |
||||
#define ANSI_CURSOR_BACK "\e[%dD" |
||||
#define ANSI_CURSOR_NEXTLINE "\e[%dE" |
||||
#define ANSI_CURSOR_PREVIOUSLINE "\e[%dF" |
||||
#define ANSI_CURSOR_COLUMN "\e[%dG" |
||||
#define ANSI_CURSOR_POSITION "\e[%d;%dH" |
||||
#define ANSI_CURSOR_SHOW "\e[?25h" |
||||
#define ANSI_CURSOR_HIDE "\e[?25l" |
||||
#define ANSI_CLEAR_CONSOLE "\e[2J" |
||||
#define ANSI_CLEAR_LINE_TO_END "\e[0K" |
||||
#define ANSI_CLEAR_LINE "\e[2K" |
||||
#define ANSI_COLOR_RESET "\e[0m" |
||||
#define ANSI_COLOR_REVERSE "\e[7m" |
||||
Loading…
Reference in new issue