11da177e4SLinus Torvalds/* 21da177e4SLinus Torvalds * linux/arch/arm/lib/csumipv6.S 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Copyright (C) 1995-1998 Russell King 51da177e4SLinus Torvalds * 61da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or modify 71da177e4SLinus Torvalds * it under the terms of the GNU General Public License version 2 as 81da177e4SLinus Torvalds * published by the Free Software Foundation. 91da177e4SLinus Torvalds */ 101da177e4SLinus Torvalds#include <linux/linkage.h> 111da177e4SLinus Torvalds#include <asm/assembler.h> 121da177e4SLinus Torvalds 131da177e4SLinus Torvalds .text 141da177e4SLinus Torvalds 151da177e4SLinus TorvaldsENTRY(__csum_ipv6_magic) 161da177e4SLinus Torvalds str lr, [sp, #-4]! 171da177e4SLinus Torvalds adds ip, r2, r3 181da177e4SLinus Torvalds ldmia r1, {r1 - r3, lr} 191da177e4SLinus Torvalds adcs ip, ip, r1 201da177e4SLinus Torvalds adcs ip, ip, r2 211da177e4SLinus Torvalds adcs ip, ip, r3 221da177e4SLinus Torvalds adcs ip, ip, lr 231da177e4SLinus Torvalds ldmia r0, {r0 - r3} 241da177e4SLinus Torvalds adcs r0, ip, r0 251da177e4SLinus Torvalds adcs r0, r0, r1 261da177e4SLinus Torvalds adcs r0, r0, r2 271da177e4SLinus Torvalds ldr r2, [sp, #4] 281da177e4SLinus Torvalds adcs r0, r0, r3 291da177e4SLinus Torvalds adcs r0, r0, r2 301da177e4SLinus Torvalds adcs r0, r0, #0 311b93a717SRussell King ldmfd sp!, {pc} 3293ed3970SCatalin MarinasENDPROC(__csum_ipv6_magic) 331da177e4SLinus Torvalds 34