1/* 2 * Copyright (c) 2017-2021 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29/* 30 * extern int cpu_copy_in_cksum(const void *src, void *dst, uint32_t len, 31 * uint32_t initial_sum); 32 * 33 * input : 34 * src : source starting address 35 * dst : destination starting address 36 * len : byte stream length 37 * initial_sum : 32bit sum 38 * 39 * output : 40 * the source byte stream is copied into the destination buffer 41 * the function returns the final 16bit checksum 42 */ 43 44#ifdef __x86_64__ 45#include "../../../bsd/dev/i386/cpu_copy_in_cksum.s" 46#elif defined(__arm64__) 47#include "../../../bsd/dev/arm64/cpu_copy_in_cksum.s" 48#elif defined(__arm__) 49#include "../../../bsd/dev/arm/cpu_copy_in_cksum.s" 50#elif defined(__i386__) 51/* This is dealt with by the reference C code */ 52#else 53#error "Unsupported architecture" 54#endif 55