2 * Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <readline/readline.h>
23 #include <gpxe/command.h>
24 #include <gpxe/shell.h>
28 * Minimal command shell
32 static struct command commands[0]
33 __table_start ( struct command, commands );
34 static struct command commands_end[0]
35 __table_end ( struct command, commands );
37 /** The shell prompt string */
38 static const char shell_prompt[] = "gPXE> ";
40 /** Flag set in order to exit shell */
41 static int exit_flag = 0;
43 /** "exit" command body */
44 static int exit_exec ( int argc, char **argv __unused ) {
49 printf ( "Usage: exit\n"
50 "Exits the command shell\n" );
56 /** "exit" command definition */
57 struct command exit_command __command = {
62 /** "help" command body */
63 static int help_exec ( int argc __unused, char **argv __unused ) {
64 struct command *command;
66 printf ( "\nAvailable commands:\n\n" );
67 for ( command = commands ; command < commands_end ; command++ ) {
68 printf ( " %s\n", command->name );
70 printf ( "\nType \"<command> --help\" for further information\n\n" );
74 /** "help" command definition */
75 struct command help_command __command = {
88 while ( ! exit_flag ) {
89 line = readline ( shell_prompt );