1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * The 'exception' command can be used for testing exception handling.
4 *
5 * Copyright (c) 2018, Heinrich Schuchardt <xypron.glpk@gmx.de>
6 */
7
8 #include <command.h>
9
do_undefined(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])10 static int do_undefined(struct cmd_tbl *cmdtp, int flag, int argc,
11 char *const argv[])
12 {
13 asm volatile (".word 0xffff\n");
14 return CMD_RET_FAILURE;
15 }
16
17 static struct cmd_tbl cmd_sub[] = {
18 U_BOOT_CMD_MKENT(undefined, CONFIG_SYS_MAXARGS, 1, do_undefined,
19 "", ""),
20 };
21
22 U_BOOT_LONGHELP(exception,
23 "<ex>\n"
24 " The following exceptions are available:\n"
25 " undefined - undefined instruction\n");
26
27 #include <exception.h>
28