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"Das U-Boot" Source Tree
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
10static 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
17static struct cmd_tbl cmd_sub[] = {
18 U_BOOT_CMD_MKENT(undefined, CONFIG_SYS_MAXARGS, 1, do_undefined,
19 "", ""),
20};
21
22U_BOOT_LONGHELP(exception,
23 "<ex>\n"
24 " The following exceptions are available:\n"
25 " undefined - undefined instruction\n");
26
27#include <exception.h>