1 /* $NetBSD: nv_compat.h,v 1.1 2018/09/08 14:02:15 christos Exp $ */
2
3 /*
4 * Copyright (c) 1987, 1991, 1993
5 * The Regents of the University of California. 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. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * @(#)endian.h 8.1 (Berkeley) 6/11/93
32 */
33
34 #ifndef _NV_COMPAT_H_
35 #define _NV_COMPAT_H_
36
37 #if defined(__NetBSD__) && (defined(_KERNEL) || defined(_STANDALONE))
38 #ifdef _KERNEL
39 #include <sys/malloc.h>
40 #define M_NVLIST M_TEMP
41 #endif
42 #include <sys/stdarg.h>
43 #include <lib/libkern/libkern.h>
44
45 #endif
46
47 #ifndef __unused
48 #define __unused __attribute__((__unused__))
49 #endif
50
51 #ifndef __DECONST
52 #define __DECONST(type, var) ((type)(uintptr_t)(const void *)(var))
53 #endif
54
55 #ifndef __printflike
56 #define __printflike(fmtarg, firstvararg) \
57 __attribute__((__format__ (__printf__, fmtarg, firstvararg)))
58 #endif
59
60 #ifdef __linux__
61 #include <endian.h>
62 #else
63 #include <sys/endian.h>
64 #endif
65
66 #ifdef __linux__
67 static inline uint32_t
be32dec(const void * buf)68 be32dec(const void *buf)
69 {
70 uint8_t const *p = (uint8_t const *)buf;
71 return (((unsigned)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]);
72 }
73
74 static inline uint32_t
le32dec(const void * buf)75 le32dec(const void *buf)
76 {
77 uint8_t const *p = (uint8_t const *)buf;
78 return (((unsigned)p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]);
79 }
80
81 static inline uint64_t
be64dec(const void * buf)82 be64dec(const void *buf)
83 {
84 uint8_t const *p = (uint8_t const *)buf;
85 return (((uint64_t)be32dec(p) << 32) | be32dec(p + 4));
86 }
87
88 static inline uint64_t
le64dec(const void * buf)89 le64dec(const void *buf)
90 {
91 uint8_t const *p = (uint8_t const *)buf;
92 return (((uint64_t)le32dec(p + 4) << 32) | le32dec(p));
93 }
94 #endif
95
96 #endif
97