1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * linux/arch/arm/lib/csumipv6.S
4 *
5 * Copyright (C) 1995-1998 Russell King
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
28 ldmfd sp!, {pc}
29 ENDPROC(__csum_ipv6_magic)
30
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