xref: /titanic_52/usr/src/boot/sys/boot/uboot/lib/libuboot.h (revision 4a5d661a82b942b6538acd26209d959ce98b593a)
1 /*-
2  * Copyright (C) 2000 Benno Rice.
3  * Copyright (C) 2007 Semihalf, Rafal Jaworowski <raj@semihalf.com>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 struct uboot_devdesc
31 {
32 	struct devsw	*d_dev;
33 	int		d_type;
34 	int		d_unit;
35 	void		*d_opendata;
36 	union {
37 		struct {
38 			int	slice;
39 			int	partition;
40 			off_t	offset;
41 		} disk;
42 	} d_kind;
43 };
44 
45 #define d_disk d_kind.disk
46 
47 /*
48  * Default network packet alignment in memory
49  */
50 #define	PKTALIGN	32
51 
52 int uboot_getdev(void **vdev, const char *devspec, const char **path);
53 char *uboot_fmtdev(void *vdev);
54 int uboot_setcurrdev(struct env_var *ev, int flags, const void *value);
55 
56 extern int devs_no;
57 extern struct netif_driver uboot_net;
58 extern struct devsw uboot_storage;
59 
60 extern uintptr_t uboot_heap_start;
61 extern uintptr_t uboot_heap_end;
62 
63 uint64_t uboot_loadaddr(u_int type, void *data, uint64_t addr);
64 ssize_t	uboot_copyin(const void *src, vm_offset_t dest, const size_t len);
65 ssize_t	uboot_copyout(const vm_offset_t src, void *dest, const size_t len);
66 ssize_t	uboot_readin(const int fd, vm_offset_t dest, const size_t len);
67 extern int uboot_autoload(void);
68 
69 struct preloaded_file;
70 struct file_format;
71 
72 extern struct file_format uboot_elf;
73 
74 void reboot(void);
75 
76 int uboot_diskgetunit(int type, int type_unit);
77 
78