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      1 /*	$NetBSD: panic.c,v 1.5 2018/08/17 04:59:34 kre Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2016 Kimihiro Nonaka <nonaka (at) 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 __dead VOID
     34 Panic(
     35     IN CHAR16 *fmt,
     36     ...
     37     )
     38 {
     39 	va_list args;
     40 
     41 	va_start(args, fmt);
     42 	VPrint(fmt, args);
     43 	Print(L"\n");
     44 	va_end(args);
     45 	reboot();
     46 	/*NOTREACHED*/
     47 	__unreachable();
     48 }
     49 
     50 __dead void
     51 reboot(void)
     52 {
     53 
     54 	if (!efi_cleanuped)
     55 		WaitForSingleEvent(ST->ConIn->WaitForKey, 0);
     56 
     57 	uefi_call_wrapper(RT->ResetSystem, 4, EfiResetCold, EFI_SUCCESS,
     58 	    0, NULL);
     59 	for (;;)
     60 		continue;
     61 }
     62 
     63 __dead void
     64 _rtt(void)
     65 {
     66 
     67 	reboot();
     68 }
     69