| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * The 'exception' command can be used for testing exception handling. |
| * |
| * Copyright (c) 2018, Heinrich Schuchardt <xypron.glpk@gmx.de> |
| */ |
| |
| #include <common.h> |
| #include <command.h> |
| |
| static int do_undefined(cmd_tbl_t *cmdtp, int flag, int argc, |
| char * const argv[]) |
| { |
| /* |
| * 0xe7f...f. is undefined in ARM mode |
| * 0xde.. is undefined in Thumb mode |
| */ |
| asm volatile (".word 0xe7f7defb\n"); |
| return CMD_RET_FAILURE; |
| } |
| |
| static cmd_tbl_t cmd_sub[] = { |
| U_BOOT_CMD_MKENT(undefined, CONFIG_SYS_MAXARGS, 1, do_undefined, |
| "", ""), |
| }; |
| |
| static char exception_help_text[] = |
| "<ex>\n" |
| " The following exceptions are available:\n" |
| " undefined - undefined instruction\n" |
| ; |
| |
| #include <exception.h> |
