xref: /netbsd-src/sys/fs/v7fs/v7fs_endian.h (revision 9255b46fb42fefe9849143c9ed6623356746daa3)
1*9255b46fSuch /*	$NetBSD: v7fs_endian.h,v 1.1 2011/06/27 11:52:24 uch Exp $	*/
2*9255b46fSuch 
3*9255b46fSuch /*-
4*9255b46fSuch  * Copyright (c) 2011 The NetBSD Foundation, Inc.
5*9255b46fSuch  * All rights reserved.
6*9255b46fSuch  *
7*9255b46fSuch  * This code is derived from software contributed to The NetBSD Foundation
8*9255b46fSuch  * by UCHIYAMA Yasushi.
9*9255b46fSuch  *
10*9255b46fSuch  * Redistribution and use in source and binary forms, with or without
11*9255b46fSuch  * modification, are permitted provided that the following conditions
12*9255b46fSuch  * are met:
13*9255b46fSuch  * 1. Redistributions of source code must retain the above copyright
14*9255b46fSuch  *    notice, this list of conditions and the following disclaimer.
15*9255b46fSuch  * 2. Redistributions in binary form must reproduce the above copyright
16*9255b46fSuch  *    notice, this list of conditions and the following disclaimer in the
17*9255b46fSuch  *    documentation and/or other materials provided with the distribution.
18*9255b46fSuch  *
19*9255b46fSuch  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20*9255b46fSuch  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21*9255b46fSuch  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22*9255b46fSuch  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23*9255b46fSuch  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24*9255b46fSuch  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25*9255b46fSuch  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26*9255b46fSuch  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27*9255b46fSuch  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28*9255b46fSuch  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29*9255b46fSuch  * POSSIBILITY OF SUCH DAMAGE.
30*9255b46fSuch  */
31*9255b46fSuch 
32*9255b46fSuch #ifndef _V7FS_ENDIAN_H_
33*9255b46fSuch #define	_V7FS_ENDIAN_H_
34*9255b46fSuch 
35*9255b46fSuch struct v7fs_self;
36*9255b46fSuch __BEGIN_DECLS;
37*9255b46fSuch v7fs_daddr_t val24_normal_order_read(uint8_t *);
38*9255b46fSuch void val24_normal_order_write(v7fs_daddr_t, uint8_t *);
39*9255b46fSuch __END_DECLS
40*9255b46fSuch #ifdef V7FS_EI
41*9255b46fSuch #define	V7FS_VAL32(x, v)	((*(x)->val.conv32)(v))
42*9255b46fSuch #define	V7FS_VAL16(x, v)	((*(x)->val.conv16)(v))
43*9255b46fSuch #define	V7FS_VAL24_READ(x, a)	((*(x)->val.conv24read)(a))
44*9255b46fSuch #define	V7FS_VAL24_WRITE(x, v, a) ((*(x)->val.conv24write)(v, a))
45*9255b46fSuch void v7fs_endian_init(struct v7fs_self *);
46*9255b46fSuch #else
47*9255b46fSuch #define	V7FS_VAL32(x, v)	(v)
48*9255b46fSuch #define	V7FS_VAL16(x, v)	(v)
49*9255b46fSuch #define	V7FS_VAL24_READ(x, a)	(val24_normal_order_read(a))
50*9255b46fSuch #define	V7FS_VAL24_WRITE(x, v, a) (val24_normal_order_write(v, a))
51*9255b46fSuch #endif /*V7FS_EI */
52*9255b46fSuch #endif /*!_V7FS_ENDIAN_H_ */
53