text: /*
   * (C) Copyright 2007 Semihalf
   *
   * Written by: Rafal Jaworowski <raj@semihalf.com>
   *
   * See file CREDITS for list of people who contributed to this
   * project.
   *
   * 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., 59 Temple Place, Suite 330, Boston,
   * MA 02111-1307 USA
   *
   */
  
  /*
   * This is the header file for conveniency wrapper routines (API glue)
   */
  
  #ifndef _API_GLUE_H_
  #define _API_GLUE_H_
  
  #define API_SEARCH_START	(255 * 1024 * 1024)	/* start at 1MB below top RAM */
  #define API_SEARCH_END		(256 * 1024 * 1024 - 1)	/* ...and search to the end */
  
  int	syscall(int, int *, ...);
  void *	syscall_ptr;
  
  int	api_search_sig(struct api_signature **sig);
  
  /*
   * ub_ library calls are part of the application, not U-Boot code!  They are
   * front-end wrappers that are used by the consumer application: they prepare
   * arguments for particular syscall and jump to the low level syscall()
   */
  
  /* console */
  int	ub_getc(void);
  int	ub_tstc(void);
  void	ub_putc(char c);
  void	ub_puts(const char *s);
  
  /* system */
  void			ub_reset(void);
  struct sys_info *	ub_get_sys_info(void);
  
  /* time */
  void		ub_udelay(unsigned long);
  unsigned long	ub_get_timer(unsigned long);
  
  /* env vars */
  char *		ub_env_get(const char *name);
  void		ub_env_set(const char *name, char *value);
  const char *	ub_env_enum(const char *last);
  
  /* devices */
  int			ub_dev_enum(void);
  int			ub_dev_open(int handle);
  int			ub_dev_close(int handle);
  int			ub_dev_read(int handle, void *buf,
  				lbasize_t len, lbastart_t start);
  int			ub_dev_send(int handle, void *buf, int len);
  int			ub_dev_recv(int handle, void *buf, int len);
  struct device_info *	ub_dev_get(int);
  
  #endif /* _API_GLUE_H_ */
  