1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2020 The FreeBSD Foundation 5 * 6 * This software was developed by Björn Zeeb under sponsorship from 7 * the FreeBSD Foundation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD$ 31 */ 32 33 #ifndef _LINUXKPI_ASM_UNALIGNED_H 34 #define _LINUXKPI_ASM_UNALIGNED_H 35 36 #include <linux/types.h> 37 #include <asm/byteorder.h> 38 39 static __inline uint16_t 40 get_unaligned_le16(const void *p) 41 { 42 43 return (le16_to_cpup((const __le16 *)p)); 44 } 45 46 static __inline uint32_t 47 get_unaligned_le32(const void *p) 48 { 49 50 return (le32_to_cpup((const __le32 *)p)); 51 } 52 53 static __inline void 54 put_unaligned_le32(__le32 v, void *p) 55 { 56 __le32 x; 57 58 x = cpu_to_le32(v); 59 memcpy(p, &x, sizeof(x)); 60 } 61 62 static __inline void 63 put_unaligned_le64(__le64 v, void *p) 64 { 65 __le64 x; 66 67 x = cpu_to_le64(v); 68 memcpy(p, &x, sizeof(x)); 69 } 70 71 static __inline uint16_t 72 get_unaligned_be16(const void *p) 73 { 74 75 return (be16_to_cpup((const __be16 *)p)); 76 } 77 78 static __inline uint32_t 79 get_unaligned_be32(const void *p) 80 { 81 82 return (be32_to_cpup((const __be32 *)p)); 83 } 84 85 #endif /* _LINUXKPI_ASM_UNALIGNED_H */ 86