diff options
Diffstat (limited to 'arch/arm/lib/csumpartial.S')
| -rw-r--r-- | arch/arm/lib/csumpartial.S | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/arch/arm/lib/csumpartial.S b/arch/arm/lib/csumpartial.S index 984e0f29d548..87c9471be8b6 100644 --- a/arch/arm/lib/csumpartial.S +++ b/arch/arm/lib/csumpartial.S @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/arch/arm/lib/csumpartial.S * * Copyright (C) 1995-1998 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/linkage.h> #include <asm/assembler.h> @@ -40,9 +37,9 @@ td3 .req lr /* we must have at least one byte. */ tst buf, #1 @ odd address? movne sum, sum, ror #8 - ldrneb td0, [buf], #1 + ldrbne td0, [buf], #1 subne len, len, #1 - adcnes sum, sum, td0, put_byte_1 + adcsne sum, sum, td0, put_byte_1 .Lless4: tst len, #6 beq .Lless8_byte @@ -68,8 +65,8 @@ td3 .req lr bne .Lless8_wordlp .Lless8_byte: tst len, #1 @ odd number of bytes - ldrneb td0, [buf], #1 @ include last byte - adcnes sum, sum, td0, put_byte_0 @ update checksum + ldrbne td0, [buf], #1 @ include last byte + adcsne sum, sum, td0, put_byte_0 @ update checksum .Ldone: adc r0, sum, #0 @ collect up the last carry ldr td0, [sp], #4 @@ -78,17 +75,17 @@ td3 .req lr ldr pc, [sp], #4 @ return .Lnot_aligned: tst buf, #1 @ odd address - ldrneb td0, [buf], #1 @ make even + ldrbne td0, [buf], #1 @ make even subne len, len, #1 - adcnes sum, sum, td0, put_byte_1 @ update checksum + adcsne sum, sum, td0, put_byte_1 @ update checksum tst buf, #2 @ 32-bit aligned? #if __LINUX_ARM_ARCH__ >= 4 - ldrneh td0, [buf], #2 @ make 32-bit aligned + ldrhne td0, [buf], #2 @ make 32-bit aligned subne len, len, #2 #else - ldrneb td0, [buf], #1 - ldrneb ip, [buf], #1 + ldrbne td0, [buf], #1 + ldrbne ip, [buf], #1 subne len, len, #2 #ifndef __ARMEB__ orrne td0, td0, ip, lsl #8 @@ -96,7 +93,7 @@ td3 .req lr orrne td0, ip, td0, lsl #8 #endif #endif - adcnes sum, sum, td0 @ update checksum + adcsne sum, sum, td0 @ update checksum ret lr ENTRY(csum_partial) |