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panic.c revision 1.4 
      1 /*	$NetBSD: panic.c,v 1.4 2017/02/11 10:15:55 nonaka 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 /* 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