/*
 * Copyright (C) 2014 Michael Brown <mbrown@fensystems.co.uk>.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

/**
 * @file
 *
 * Fatal errors
 *
 */

#include <stdarg.h>
#include <stdio.h>
#include "ntloader.h"
#include "efi.h"

/**
 * Handle fatal errors
 *
 * @v fmt	Error message format string
 * @v ...	Arguments
 */
void die (const char *fmt, ...)
{
    EFI_RUNTIME_SERVICES *rs;
    va_list args;

    /* Print message */
    va_start (args, fmt);
    vprintf (fmt, args);
    va_end (args);

    /* Wait for keypress */
    printf ("Press a key to reboot...");
    getchar();
    printf ("\n");

    /* Reboot system */
    if (efi_systab)
    {
        rs = efi_systab->RuntimeServices;
        rs->ResetSystem (EfiResetWarm, 0, 0, NULL);
        printf ("Failed to reboot\n");

    }
    else
    {
        reboot();
    }

    /* Should be impossible to reach this */
    __builtin_unreachable();
}