x86_board_init.c
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/*
* Copyright (C) 2014 René Kijewski <rene.kijewski@fu-berlin.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup boards_qemu-i386
* @{
*
* @file
* @brief Initialization code for the qemu-i386 board
*
* @author René Kijewski <rene.kijewski@fu-berlin.de>
*
* @}
*/
#include "cpu.h"
#include "x86_ports.h"
#include "x86_reboot.h"
#define ENABLE_DEBUG (0)
#include "debug.h"
static bool qemu_shutdown(void)
{
unsigned old_state = irq_disable();
DEBUG("SHUTTING DOWN.\n");
/* (phony) ACPI shutdown (http://forum.osdev.org/viewtopic.php?t=16990) */
/* Works for qemu and bochs. */
outw(0xB004, 0x2000);
irq_restore(old_state);
return false;
}
void x86_init_board(void)
{
x86_set_shutdown_fun(qemu_shutdown);
}