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      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
     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
     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
     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
     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