2 * Copyright (c) 2002 Thomas Moestl <tmm@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #ifndef _MKIMG_ENDIAN_H_
30 #define _MKIMG_ENDIAN_H_
32 static __inline uint16_t
33 be16dec(const void *pp)
35 uint8_t const *p = (uint8_t const *)pp;
37 return ((p[0] << 8) | p[1]);
41 be16enc(void *pp, uint16_t u)
43 uint8_t *p = (uint8_t *)pp;
45 p[0] = (u >> 8) & 0xff;
50 be32enc(void *pp, uint32_t u)
52 uint8_t *p = (uint8_t *)pp;
54 p[0] = (u >> 24) & 0xff;
55 p[1] = (u >> 16) & 0xff;
56 p[2] = (u >> 8) & 0xff;
61 be64enc(void *pp, uint64_t u)
63 uint8_t *p = (uint8_t *)pp;
65 be32enc(p, (uint32_t)(u >> 32));
66 be32enc(p + 4, (uint32_t)(u & 0xffffffffU));
69 static __inline uint16_t
70 le16dec(const void *pp)
72 uint8_t const *p = (uint8_t const *)pp;
74 return ((p[1] << 8) | p[0]);
78 le16enc(void *pp, uint16_t u)
80 uint8_t *p = (uint8_t *)pp;
83 p[1] = (u >> 8) & 0xff;
87 le32enc(void *pp, uint32_t u)
89 uint8_t *p = (uint8_t *)pp;
92 p[1] = (u >> 8) & 0xff;
93 p[2] = (u >> 16) & 0xff;
94 p[3] = (u >> 24) & 0xff;
98 le64enc(void *pp, uint64_t u)
100 uint8_t *p = (uint8_t *)pp;
102 le32enc(p, (uint32_t)(u & 0xffffffffU));
103 le32enc(p + 4, (uint32_t)(u >> 32));
106 #endif /* _MKIMG_ENDIAN_H_ */