libuboot.h revision 326934 
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: stable/11/sys/boot/uboot/lib/libuboot.h 326934 2017-12-18 17:17:07Z ian $
28 */
29
30struct 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.  On arm arches packets must be
49 * aligned to cacheline boundaries.
50 */
51#if defined(__aarch64__)
52#define	PKTALIGN	128
53#elif defined(__arm__)
54#define	PKTALIGN	64
55#else
56#define	PKTALIGN	32
57#endif
58
59int uboot_getdev(void **vdev, const char *devspec, const char **path);
60char *uboot_fmtdev(void *vdev);
61int uboot_setcurrdev(struct env_var *ev, int flags, const void *value);
62
63extern int devs_no;
64extern struct netif_driver uboot_net;
65extern struct devsw uboot_storage;
66
67extern uintptr_t uboot_heap_start;
68extern uintptr_t uboot_heap_end;
69
70uint64_t uboot_loadaddr(u_int type, void *data, uint64_t addr);
71ssize_t	uboot_copyin(const void *src, vm_offset_t dest, const size_t len);
72ssize_t	uboot_copyout(const vm_offset_t src, void *dest, const size_t len);
73ssize_t	uboot_readin(const int fd, vm_offset_t dest, const size_t len);
74extern int uboot_autoload(void);
75
76struct preloaded_file;
77struct file_format;
78
79extern struct file_format uboot_elf;
80
81void reboot(void);
82
83int uboot_diskgetunit(int type, int type_unit);
84
85