1 /* $NetBSD: uboot.h,v 1.9 2024/05/21 03:54:31 gutteridge Exp $ */
2 
3 /*-
4  * Copyright (c) 2010 Jared D. McNeill <jmcneill@invisible.ca>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. The name of the author may not be used to endorse or promote products
13  *    derived from this software without specific prior written permission.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
20  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
22  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23  * 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 #ifndef _HAVE_UBOOT_H
29 #define _HAVE_UBOOT_H
30 
31 enum uboot_image_os {
32           IH_OS_UNKNOWN = 0,
33           IH_OS_OPENBSD = 1,
34           IH_OS_NETBSD = 2,
35           IH_OS_FREEBSD = 3,
36           IH_OS_LINUX = 5
37 };
38 
39 enum uboot_image_arch {
40           IH_ARCH_UNKNOWN = 0,
41           IH_ARCH_ARM = 2,
42           IH_ARCH_I386 = 3,
43           IH_ARCH_MIPS = 5,
44           IH_ARCH_MIPS64 = 6,
45           IH_ARCH_PPC = 7,
46           IH_ARCH_SH = 9,
47           IH_ARCH_OPENRISC = 21,
48           IH_ARCH_ARM64 = 22,
49           IH_ARCH_RISCV = 26
50 };
51 
52 enum uboot_image_type {
53           IH_TYPE_UNKNOWN = 0,
54           IH_TYPE_STANDALONE = 1,
55           IH_TYPE_KERNEL = 2,
56           IH_TYPE_RAMDISK = 3,
57           IH_TYPE_SCRIPT = 6,
58           IH_TYPE_FILESYSTEM = 7,
59           IH_TYPE_KERNEL_NOLOAD = 14,
60 };
61 
62 enum uboot_image_comp {
63           IH_COMP_NONE = 0,
64           IH_COMP_GZIP = 1,
65           IH_COMP_BZIP2 = 2,
66           IH_COMP_LZMA = 3,
67           IH_COMP_LZO = 4,
68 };
69 
70 #define IH_MAGIC    0x27051956
71 #define IH_NMLEN    32
72 
73 struct uboot_image_header {
74           uint32_t  ih_magic;
75           uint32_t  ih_hcrc;
76           uint32_t  ih_time;
77           uint32_t  ih_size;
78           uint32_t  ih_load;
79           uint32_t  ih_ep;
80           uint32_t  ih_dcrc;
81           uint8_t             ih_os;
82           uint8_t             ih_arch;
83           uint8_t             ih_type;
84           uint8_t             ih_comp;
85           uint8_t             ih_name[IH_NMLEN];
86 };
87 
88 #endif /* !_HAVE_UBOOT_H */
89