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Diffstat (limited to 'examples/api/glue.h')
-rw-r--r-- | examples/api/glue.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/examples/api/glue.h b/examples/api/glue.h new file mode 100644 index 0000000000..6bf47d07c8 --- /dev/null +++ b/examples/api/glue.h @@ -0,0 +1,80 @@ +/* + * (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 */ + +#define UB_MAX_MR 5 /* max mem regions number */ +#define UB_MAX_DEV 6 /* max devices number */ + +extern void *syscall_ptr; +extern uint32_t search_hint; + +int syscall(int, int *, ...); +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, lbasize_t *rlen); +int ub_dev_send(int handle, void *buf, int len); +int ub_dev_recv(int handle, void *buf, int len, int *rlen); +struct device_info * ub_dev_get(int); + +#endif /* _API_GLUE_H_ */ |