blob: 1aa1d673aed426e6c1cc95e0f0db9c7e5166f382 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0+
/*
* The 'exception' command can be used for testing exception handling.
*
* Copyright (c) 2020, Heinrich Schuchardt <xypron.glpk@gmx.de>
*/
#include <common.h>
#include <command.h>
static int do_sigsegv(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
u8 *ptr = NULL;
*ptr = 0;
return CMD_RET_FAILURE;
}
static int do_undefined(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
asm volatile (".word 0xffff\n");
return CMD_RET_FAILURE;
}
static struct cmd_tbl cmd_sub[] = {
U_BOOT_CMD_MKENT(sigsegv, CONFIG_SYS_MAXARGS, 1, do_sigsegv,
"", ""),
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"
" sigsegv - illegal memory access\n"
;
#include <exception.h>