freebsd-nq/sys/boot/uboot/lib/glue.h

/*-
 * Copyright (c) 2008 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.
 *
 * $FreeBSD$
 */

/*
 * This is the header file for conveniency wrapper routines (API glue)
 */

#ifndef _API_GLUE_H_
#define _API_GLUE_H_

#include "api_public.h"

int	syscall(int, int *, ...);
void	*syscall_ptr;

int	api_search_sig(struct api_signature **sig);

/*
 * The 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_ */