[people/ms/u-boot.git] / api_examples / glue.h

/*
 * (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_LEN		(3 * 1024 * 1024)	/* 3MB search range */

extern void *syscall_ptr;
extern uint32_t search_hint;

int	syscall(int, int *, ...);
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_ */
Commit	Line	Data
500856eb RJ	1	/*
	2	* (C) Copyright 2007 Semihalf
	3	*
	4	* Written by: Rafal Jaworowski <raj@semihalf.com>
	5	*
	6	* See file CREDITS for list of people who contributed to this
	7	* project.
	8	*
	9	* This program is free software; you can redistribute it and/or
	10	* modify it under the terms of the GNU General Public License as
	11	* published by the Free Software Foundation; either version 2 of
	12	* the License, or (at your option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	22	* MA 02111-1307 USA
	23	*
	24	*/
	25
	26	/*
	27	* This is the header file for conveniency wrapper routines (API glue)
	28	*/
	29
	30	#ifndef _API_GLUE_H_
	31	#define _API_GLUE_H_
	32
b84d7d8f	33	#define API_SEARCH_LEN (3 * 1024 * 1024) /* 3MB search range */
500856eb	34
b84d7d8f RJ	35	extern void *syscall_ptr;
b84d7d8f RJ	36	extern uint32_t search_hint;
500856eb	37
b84d7d8f	38	int syscall(int, int *, ...);
500856eb RJ	39	int api_search_sig(struct api_signature **sig);
	40
	41	/*
	42	* ub_ library calls are part of the application, not U-Boot code! They are
	43	* front-end wrappers that are used by the consumer application: they prepare
	44	* arguments for particular syscall and jump to the low level syscall()
	45	*/
	46
	47	/* console */
	48	int ub_getc(void);
	49	int ub_tstc(void);
	50	void ub_putc(char c);
	51	void ub_puts(const char *s);
	52
	53	/* system */
	54	void ub_reset(void);
	55	struct sys_info * ub_get_sys_info(void);
	56
	57	/* time */
	58	void ub_udelay(unsigned long);
	59	unsigned long ub_get_timer(unsigned long);
	60
	61	/* env vars */
	62	char * ub_env_get(const char *name);
	63	void ub_env_set(const char name, char value);
	64	const char * ub_env_enum(const char *last);
	65
	66	/* devices */
	67	int ub_dev_enum(void);
	68	int ub_dev_open(int handle);
	69	int ub_dev_close(int handle);
	70	int ub_dev_read(int handle, void *buf,
	71	lbasize_t len, lbastart_t start);
	72	int ub_dev_send(int handle, void *buf, int len);
	73	int ub_dev_recv(int handle, void *buf, int len);
	74	struct device_info * ub_dev_get(int);
	75
	76	#endif /* _API_GLUE_H_ */