Files
SDK_SG200x_V2/u-boot-2021.10/cmd/sandbox/exception.c
carbon 0545e9dc6d init version 2024-05-07
commit d1edce71135cc6d98c0a4b5729774542b676e769
Author: sophgo-forum-service <forum_service@sophgo.com>
Date:   Fri Mar 15 16:07:33 2024 +0800

    [fix] recommend using ssh method to clone repo.
    [fix] fix sensor driver repo branch name.
2024-05-07 19:36:36 +08:00

42 lines
929 B
C

// 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>