diff options
Diffstat (limited to 'arch/arm/lib/csumipv6.S')
-rw-r--r-- | arch/arm/lib/csumipv6.S | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/lib/csumipv6.S b/arch/arm/lib/csumipv6.S new file mode 100644 index 000000000000..7065a20ee8ad --- /dev/null +++ b/arch/arm/lib/csumipv6.S | |||
@@ -0,0 +1,32 @@ | |||
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> | ||
12 | |||
13 | .text | ||
14 | |||
15 | ENTRY(__csum_ipv6_magic) | ||
16 | str lr, [sp, #-4]! | ||
17 | adds ip, r2, r3 | ||
18 | ldmia r1, {r1 - r3, lr} | ||
19 | adcs ip, ip, r1 | ||
20 | adcs ip, ip, r2 | ||
21 | adcs ip, ip, r3 | ||
22 | adcs ip, ip, lr | ||
23 | ldmia r0, {r0 - r3} | ||
24 | adcs r0, ip, r0 | ||
25 | adcs r0, r0, r1 | ||
26 | adcs r0, r0, r2 | ||
27 | ldr r2, [sp, #4] | ||
28 | adcs r0, r0, r3 | ||
29 | adcs r0, r0, r2 | ||
30 | adcs r0, r0, #0 | ||
31 | LOADREGS(fd, sp!, {pc}) | ||
32 | |||