| Thomas Gleixner | d2912cb | 2019-06-04 10:11:33 +0200 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | /* |
| 3 | * linux/arch/arm/lib/csumipv6.S |
| 4 | * |
| 5 | * Copyright (C) 1995-1998 Russell King |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | */ |
| 7 | #include <linux/linkage.h> |
| 8 | #include <asm/assembler.h> |
| 9 | |
| 10 | .text |
| 11 | |
| 12 | ENTRY(__csum_ipv6_magic) |
| 13 | str lr, [sp, #-4]! |
| 14 | adds ip, r2, r3 |
| 15 | ldmia r1, {r1 - r3, lr} |
| 16 | adcs ip, ip, r1 |
| 17 | adcs ip, ip, r2 |
| 18 | adcs ip, ip, r3 |
| 19 | adcs ip, ip, lr |
| 20 | ldmia r0, {r0 - r3} |
| 21 | adcs r0, ip, r0 |
| 22 | adcs r0, r0, r1 |
| 23 | adcs r0, r0, r2 |
| 24 | ldr r2, [sp, #4] |
| 25 | adcs r0, r0, r3 |
| 26 | adcs r0, r0, r2 |
| 27 | adcs r0, r0, #0 |
| Russell King | 1b93a71 | 2006-06-25 11:23:45 +0100 | [diff] [blame] | 28 | ldmfd sp!, {pc} |
| Catalin Marinas | 93ed397 | 2008-08-28 11:22:32 +0100 | [diff] [blame] | 29 | ENDPROC(__csum_ipv6_magic) |
| Russell King | 8478132 | 2016-11-23 10:00:03 +0000 | [diff] [blame] | 30 | |