xref: /netbsd-src/sys/arch/i386/stand/efiboot/panic.c (revision bdc22b2e01993381dcefeff2bc9b56ca75a4235c)
1 /*	$NetBSD: panic.c,v 1.4 2017/02/11 10:15:55 nonaka Exp $	*/
2 
3 /*-
4  * Copyright (c) 2016 Kimihiro Nonaka <nonaka@netbsd.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include "efiboot.h"
30 
31 #include <efistdarg.h>
32 
33 /* from sys/external/bsd/gnu-efi/dist/lib/print.c */
34 UINTN VPrint (IN CHAR16 *, va_list);
35 
36 __dead VOID
37 Panic(
38     IN CHAR16 *fmt,
39     ...
40     )
41 {
42 	va_list args;
43 
44 	va_start(args, fmt);
45 	VPrint(fmt, args);
46 	Print(L"\n");
47 	va_end(args);
48 	reboot();
49 	/*NOTREACHED*/
50 	__unreachable();
51 }
52 
53 __dead void
54 reboot(void)
55 {
56 
57 	if (!efi_cleanuped)
58 		WaitForSingleEvent(ST->ConIn->WaitForKey, 0);
59 
60 	uefi_call_wrapper(RT->ResetSystem, 4, EfiResetCold, EFI_SUCCESS,
61 	    0, NULL);
62 	for (;;)
63 		continue;
64 }
65 
66 __dead void
67 _rtt(void)
68 {
69 
70 	reboot();
71 }
72