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// 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 <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[])
{
#ifdef __powerpc__
asm volatile (".long 0xffffffff\n");
#else
asm volatile (".word 0xffff\n");
#endif
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,
"", ""),
};
U_BOOT_LONGHELP(exception,
"<ex>\n"
" The following exceptions are available:\n"
" undefined - undefined instruction\n"
" sigsegv - illegal memory access\n");
#include <exception.h>
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