text: /*
   * This file is part of the coreboot project.
   *
   * Copyright (C) 2008-2009 coresystems GmbH
   * Copyright (C) 2017 Intel Corp.
   *
   * 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; version 2 of the License.
   *
   * 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.
   */
  
  #include <arch/acpi.h>
  #include <arch/io.h>
  #include <console/console.h>
  #include <cpu/x86/smm.h>
  #include <intelblocks/smihandler.h>
  #include <soc/nvs.h>
  
  int mainboard_io_trap_handler(int smif)
  {
  	switch (smif) {
  	case 0x99:
  		printk(BIOS_DEBUG, "Sample\n");
  		smm_get_gnvs()->smif = 0;
  		break;
  	default:
  		return 0;
  	}
  
  	/* On success, the IO Trap Handler returns 0
  	 * On failure, the IO Trap Handler returns a value != 0
  	 *
  	 * For now, we force the return value to 0 and log all traps to
  	 * see what's going on.
  	 */
  	return 1;
  }
  