1 files changed, 102 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/hci/shell.c b/contrib/syslinux-4.02/gpxe/src/hci/shell.c
new file mode 100644
index 0000000..5bedbdc
--- /dev/null
+++ b/contrib/syslinux-4.02/gpxe/src/hci/shell.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <readline/readline.h>
+#include <gpxe/command.h>
+#include <gpxe/shell.h>
+
+/** @file
+ *
+ * Minimal command shell
+ *
+ */
+
+/** The shell prompt string */
+static const char shell_prompt[] = "gPXE> ";
+
+/** Flag set in order to exit shell */
+static int exit_flag = 0;
+
+/** "exit" command body */
+static int exit_exec ( int argc, char **argv __unused ) {
+
+	if ( argc == 1 ) {
+		exit_flag = 1;
+	} else {
+		printf ( "Usage: exit\n"
+			 "Exits the command shell\n" );
+	}
+
+	return 0;
+}
+
+/** "exit" command definition */
+struct command exit_command __command = {
+	.name = "exit",
+	.exec = exit_exec,
+};
+
+/** "help" command body */
+static int help_exec ( int argc __unused, char **argv __unused ) {
+	struct command *command;
+	unsigned int hpos = 0;
+
+	printf ( "\nAvailable commands:\n\n" );
+	for_each_table_entry ( command, COMMANDS ) {
+		hpos += printf ( "  %s", command->name );
+		if ( hpos > ( 16 * 4 ) ) {
+			printf ( "\n" );
+			hpos = 0;
+		} else {
+			while ( hpos % 16 ) {
+				printf ( " " );
+				hpos++;
+			}
+		}
+	}
+	printf ( "\n\nType \"<command> --help\" for further information\n\n" );
+	return 0;
+}
+
+/** "help" command definition */
+struct command help_command __command = {
+	.name = "help",
+	.exec = help_exec,
+};
+
+/**
+ * Start command shell
+ *
+ */
+void shell ( void ) {
+	char *line;
+
+	exit_flag = 0;
+	while ( ! exit_flag ) {
+		line = readline ( shell_prompt );
+		if ( line ) {
+			system ( line );
+			free ( line );
+		}
+	}
+}