xref: /freebsd/stand/uboot/libuboot.h (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a)
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 
28 #include <disk.h>
29 #include <readin.h>
30 
31 struct uboot_devdesc {
32 	union {
33 		struct devdesc      dd;
34 		struct disk_devdesc d_disk;
35 	};
36 };
37 
38 /*
39  * Default network packet alignment in memory.  On arm arches packets must be
40  * aligned to cacheline boundaries.
41  */
42 #if defined(__aarch64__)
43 #define	PKTALIGN	128
44 #elif defined(__arm__)
45 #define	PKTALIGN	64
46 #else
47 #define	PKTALIGN	32
48 #endif
49 
50 int uboot_getdev(void **vdev, const char *devspec, const char **path);
51 int uboot_setcurrdev(struct env_var *ev, int flags, const void *value);
52 
53 extern int devs_no;
54 extern struct netif_driver uboot_net;
55 extern struct devsw uboot_storage;
56 
57 extern uintptr_t uboot_heap_start;
58 extern uintptr_t uboot_heap_end;
59 
60 uint64_t uboot_loadaddr(u_int type, void *data, uint64_t addr);
61 ssize_t	uboot_copyin(const void *src, vm_offset_t dest, const size_t len);
62 ssize_t	uboot_copyout(const vm_offset_t src, void *dest, const size_t len);
63 ssize_t	uboot_readin(readin_handle_t fd, vm_offset_t dest, const size_t len);
64 extern int uboot_autoload(void);
65 
66 struct preloaded_file;
67 struct file_format;
68 
69 extern struct file_format uboot_elf;
70 
71 void reboot(void);
72 
73 int uboot_diskgetunit(int type, int type_unit);
74 
75