X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=doc%2FREADME.autoboot;h=227e3b5dbbe1be7cbdc89d27196e31850e6d9d0b;hb=d4aa4e0e768ee6842ffb02dec49dec0ba022e981;hp=2042fe5c4063b95e791cbbd29744f85665782e10;hpb=0f2b5d8ec0969a5b0992f5031bf3c61117a41d59;p=karo-tx-uboot.git diff --git a/doc/README.autoboot b/doc/README.autoboot index 2042fe5c40..227e3b5dbb 100644 --- a/doc/README.autoboot +++ b/doc/README.autoboot @@ -2,23 +2,7 @@ * (C) Copyright 2001 * Dave Ellis, SIXNET, dge@sixnetio.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 + * SPDX-License-Identifier: GPL-2.0+ */ Using autoboot configuration options @@ -90,16 +74,13 @@ What they do "bootretry" is >= 0. CONFIG_AUTOBOOT_KEYED + CONFIG_AUTOBOOT_KEYED_CTRLC CONFIG_AUTOBOOT_PROMPT CONFIG_AUTOBOOT_DELAY_STR CONFIG_AUTOBOOT_STOP_STR - CONFIG_AUTOBOOT_DELAY_STR2 - CONFIG_AUTOBOOT_STOP_STR2 "bootdelaykey" environment variable "bootstopkey" environment variable - "bootdelaykey2" environment variable - "bootstopkey2" environment variable These options give more control over stopping autoboot. When they are used a specific character or string is required to @@ -145,11 +126,12 @@ What they do character of a key string does not appear in the rest of the string. - Using the CONFIG_AUTOBOOT_DELAY_STR2 #define or the - "bootdelaykey2" environment variable and/or the - CONFIG_AUTOBOOT_STOP_STR2 #define or the "bootstopkey" - environment variable you can specify a second, alternate - string (which allows you to have two "password" strings). + The CONFIG_AUTOBOOT_KEYED_CTRLC #define allows for the boot + sequence to be interrupted by ctrl-c, in addition to the + "bootdelaykey" and "bootstopkey". Setting this variable + provides an escape sequence from the limited "password" + strings. + CONFIG_ZERO_BOOTDELAY_CHECK