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_LEN (3 * 1024 * 1024) /* 3MB search range */ 34 35 #define UB_MAX_MR 5 /* max mem regions number */ 36 #define UB_MAX_DEV 6 /* max devices number */ 37 38 extern void *syscall_ptr; 39 extern uint32_t search_hint; 40 41 int syscall(int, int *, ...); 42 int api_search_sig(struct api_signature **sig); 43 44 /* 45 * The ub_ library calls are part of the application, not U-Boot code! They 46 * are front-end wrappers that are used by the consumer application: they 47 * prepare arguments for particular syscall and jump to the low level 48 * syscall() 49 */ 50 51 /* console */ 52 int ub_getc(void); 53 int ub_tstc(void); 54 void ub_putc(char c); 55 void ub_puts(const char *s); 56 57 /* system */ 58 void ub_reset(void); 59 struct sys_info * ub_get_sys_info(void); 60 61 /* time */ 62 void ub_udelay(unsigned long); 63 unsigned long ub_get_timer(unsigned long); 64 65 /* env vars */ 66 char * ub_env_get(const char *name); 67 void ub_env_set(const char *name, char *value); 68 const char * ub_env_enum(const char *last); 69 70 /* devices */ 71 int ub_dev_enum(void); 72 int ub_dev_open(int handle); 73 int ub_dev_close(int handle); 74 int ub_dev_read(int handle, void *buf, lbasize_t len, 75 lbastart_t start, lbasize_t *rlen); 76 int ub_dev_send(int handle, void *buf, int len); 77 int ub_dev_recv(int handle, void *buf, int len, int *rlen); 78 struct device_info * ub_dev_get(int); 79 80 #endif /* _API_GLUE_H_ */ 81