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/arch/arm26/lib/csumipv6.S

https://bitbucket.org/evzijst/gittest
Assembly | 32 lines | 29 code | 3 blank | 0 comment | 0 complexity | 9712d051b06b2505261162382c7aca0f MD5 | raw file
 1/*
 2 *  linux/arch/arm26/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
15ENTRY(__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