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1da177e4 LT |
1 | /* |
2 | * linux/arch/arm/lib/csumipv6.S | |
3 | * | |
4 | * Copyright (C) 1995-1998 Russell King | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | #include <linux/linkage.h> | |
11 | #include <asm/assembler.h> | |
4dd1837d | 12 | #include <asm/export.h> |
1da177e4 LT |
13 | |
14 | .text | |
15 | ||
16 | ENTRY(__csum_ipv6_magic) | |
17 | str lr, [sp, #-4]! | |
18 | adds ip, r2, r3 | |
19 | ldmia r1, {r1 - r3, lr} | |
20 | adcs ip, ip, r1 | |
21 | adcs ip, ip, r2 | |
22 | adcs ip, ip, r3 | |
23 | adcs ip, ip, lr | |
24 | ldmia r0, {r0 - r3} | |
25 | adcs r0, ip, r0 | |
26 | adcs r0, r0, r1 | |
27 | adcs r0, r0, r2 | |
28 | ldr r2, [sp, #4] | |
29 | adcs r0, r0, r3 | |
30 | adcs r0, r0, r2 | |
31 | adcs r0, r0, #0 | |
1b93a717 | 32 | ldmfd sp!, {pc} |
93ed3970 | 33 | ENDPROC(__csum_ipv6_magic) |
4dd1837d | 34 | EXPORT_SYMBOL(__csum_ipv6_magic) |