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Rafal Jaworowski500856e2008-01-09 19:39:36 +01001/*
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
33#define API_SEARCH_START (255 * 1024 * 1024) /* start at 1MB below top RAM */
34#define API_SEARCH_END (256 * 1024 * 1024 - 1) /* ...and search to the end */
35
36int syscall(int, int *, ...);
37void * syscall_ptr;
38
39int 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 */
48int ub_getc(void);
49int ub_tstc(void);
50void ub_putc(char c);
51void ub_puts(const char *s);
52
53/* system */
54void ub_reset(void);
55struct sys_info * ub_get_sys_info(void);
56
57/* time */
58void ub_udelay(unsigned long);
59unsigned long ub_get_timer(unsigned long);
60
61/* env vars */
62char * ub_env_get(const char *name);
63void ub_env_set(const char *name, char *value);
64const char * ub_env_enum(const char *last);
65
66/* devices */
67int ub_dev_enum(void);
68int ub_dev_open(int handle);
69int ub_dev_close(int handle);
70int ub_dev_read(int handle, void *buf,
71 lbasize_t len, lbastart_t start);
72int ub_dev_send(int handle, void *buf, int len);
73int ub_dev_recv(int handle, void *buf, int len);
74struct device_info * ub_dev_get(int);
75
76#endif /* _API_GLUE_H_ */