text: /*-
   * Copyright (C) 2000 Benno Rice.
   * Copyright (C) 2007 Semihalf, Rafal Jaworowski <raj@semihalf.com>
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   * $FreeBSD: releng/9.3/sys/boot/uboot/lib/libuboot.h 243243 2012-11-18 17:09:29Z ae $
   */
  
  struct uboot_devdesc
  {
  	struct devsw	*d_dev;
  	int		d_type;
  	int		d_unit;
  	union {
  		struct {
  			void	*data;
  			int	slice;
  			int	partition;
  			off_t	offset;
  		} disk;
  	} d_kind;
  };
  
  #define d_disk d_kind.disk
  
  /*
   * Default network packet alignment in memory
   */
  #define	PKTALIGN	32
  
  int uboot_getdev(void **vdev, const char *devspec, const char **path);
  char *uboot_fmtdev(void *vdev);
  int uboot_setcurrdev(struct env_var *ev, int flags, const void *value);
  
  extern int devs_no;
  extern struct netif_driver uboot_net;
  extern struct devsw uboot_storage;
  
  ssize_t	uboot_copyin(const void *src, vm_offset_t dest, const size_t len);
  ssize_t	uboot_copyout(const vm_offset_t src, void *dest, const size_t len);
  ssize_t	uboot_readin(const int fd, vm_offset_t dest, const size_t len);
  extern int uboot_autoload(void);
  
  struct preloaded_file;
  struct file_format;
  
  extern struct file_format uboot_elf;
  
  void reboot(void);
  