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This declaration specifies the "function" type and size for various assembly functions, mainly needed for generating the correct branch instructions in Thumb-2. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
33 lines
696 B
ArmAsm
33 lines
696 B
ArmAsm
/*
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* linux/arch/arm/lib/csumipv6.S
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*
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* Copyright (C) 1995-1998 Russell King
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/linkage.h>
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#include <asm/assembler.h>
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.text
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ENTRY(__csum_ipv6_magic)
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str lr, [sp, #-4]!
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adds ip, r2, r3
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ldmia r1, {r1 - r3, lr}
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adcs ip, ip, r1
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adcs ip, ip, r2
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adcs ip, ip, r3
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adcs ip, ip, lr
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ldmia r0, {r0 - r3}
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adcs r0, ip, r0
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adcs r0, r0, r1
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adcs r0, r0, r2
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ldr r2, [sp, #4]
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adcs r0, r0, r3
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adcs r0, r0, r2
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adcs r0, r0, #0
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ldmfd sp!, {pc}
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ENDPROC(__csum_ipv6_magic)
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