xref: /freebsd/stand/uboot/libuboot.h (revision 2a63683b5d5c480d0f652f0ea9cf6b9621d55920)
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 #include <disk.h>
31 #include <readin.h>
32 
33 struct uboot_devdesc {
34 	union {
35 		struct devdesc      dd;
36 		struct disk_devdesc d_disk;
37 	};
38 };
39 
40 /*
41  * Default network packet alignment in memory.  On arm arches packets must be
42  * aligned to cacheline boundaries.
43  */
44 #if defined(__aarch64__)
45 #define	PKTALIGN	128
46 #elif defined(__arm__)
47 #define	PKTALIGN	64
48 #else
49 #define	PKTALIGN	32
50 #endif
51 
52 int uboot_getdev(void **vdev, const char *devspec, const char **path);
53 int uboot_setcurrdev(struct env_var *ev, int flags, const void *value);
54 
55 extern int devs_no;
56 extern struct netif_driver uboot_net;
57 extern struct devsw uboot_storage;
58 
59 extern uintptr_t uboot_heap_start;
60 extern uintptr_t uboot_heap_end;
61 
62 uint64_t uboot_loadaddr(u_int type, void *data, uint64_t addr);
63 ssize_t	uboot_copyin(const void *src, vm_offset_t dest, const size_t len);
64 ssize_t	uboot_copyout(const vm_offset_t src, void *dest, const size_t len);
65 ssize_t	uboot_readin(readin_handle_t fd, vm_offset_t dest, const size_t len);
66 extern int uboot_autoload(void);
67 
68 struct preloaded_file;
69 struct file_format;
70 
71 extern struct file_format uboot_elf;
72 
73 void reboot(void);
74 
75 int uboot_diskgetunit(int type, int type_unit);
76 
77