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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 | ||
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 | ||
36 | int syscall(int, int *, ...); | |
37 | void * syscall_ptr; | |
38 | ||
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_ */ |