176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman/* 276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>. 376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * 476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * This program is free software; you can redistribute it and/or 576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * modify it under the terms of the GNU General Public License as 676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * published by the Free Software Foundation; either version 2 of the 776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * License, or any later version. 876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * 976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * This program is distributed in the hope that it will be useful, but 1076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * WITHOUT ANY WARRANTY; without even the implied warranty of 1176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 1276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * General Public License for more details. 1376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * 1476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * You should have received a copy of the GNU General Public License 1576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * along with this program; if not, write to the Free Software 1676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 1776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman */ 1876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 1976d05dc695b06c4e987bb8078f78032441e1430cGreg HartmanFILE_LICENCE ( GPL2_OR_LATER ); 2076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 2176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <stdio.h> 2276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <console.h> 2376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <unistd.h> 2476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <config/general.h> 2576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <gpxe/keys.h> 2676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <gpxe/shell_banner.h> 2776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 2876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman/** @file 2976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * 3076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * Shell startup banner 3176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * 3276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman */ 3376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 3476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman/** 3576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * Print shell banner and prompt for shell entry 3676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * 3776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * @ret enter_shell User wants to enter shell 3876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman */ 3976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartmanint shell_banner ( void ) { 4076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman int enter_shell = 0; 4176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman int wait_count; 4276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman int key; 4376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 4476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman if ( BANNER_TIMEOUT <= 0 ) 4576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman return enter_shell; 4676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 4776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman printf ( "\nPress Ctrl-B for the gPXE command line..." ); 4876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 4976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman /* Wait for key */ 5076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman for ( wait_count = 0 ; wait_count < BANNER_TIMEOUT ; wait_count++ ) { 5176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman if ( iskey() ) { 5276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman key = getchar(); 5376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman if ( key == CTRL_B ) 5476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman enter_shell = 1; 5576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman break; 5676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman } 5776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman mdelay(100); 5876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman } 5976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 6076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman /* Clear the "Press Ctrl-B" line */ 6176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman printf ( "\r \r" ); 6276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 6376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman return enter_shell; 6476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman} 65