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RIOT/boards/qemu-i386/x86_board_init.c 921 Bytes
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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);
  }