| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * linux/arch/arm/lib/csumipv6.S |
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| 4 | * |
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| 5 | * Copyright (C) 1995-1998 Russell King |
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| 6 | */ |
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| 7 | #include <linux/linkage.h> |
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| 8 | #include <asm/assembler.h> |
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| 9 | |
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| 10 | .text |
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| 11 | |
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| 12 | ENTRY(__csum_ipv6_magic) |
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| 13 | str lr, [sp, #-4]! |
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| 14 | adds ip, r2, r3 |
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| 15 | ldmia r1, {r1 - r3, lr} |
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| 16 | adcs ip, ip, r1 |
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| 17 | adcs ip, ip, r2 |
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| 18 | adcs ip, ip, r3 |
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| 19 | adcs ip, ip, lr |
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| 20 | ldmia r0, {r0 - r3} |
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| 21 | adcs r0, ip, r0 |
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| 22 | adcs r0, r0, r1 |
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| 23 | adcs r0, r0, r2 |
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| 24 | ldr r2, [sp, #4] |
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| 25 | adcs r0, r0, r3 |
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| 26 | adcs r0, r0, r2 |
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| 27 | adcs r0, r0, #0 |
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| 28 | ldmfd sp!, {pc} |
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| 29 | ENDPROC(__csum_ipv6_magic) |
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| 30 | |
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| 31 | |
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