From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- arch/arm/lib/csumpartialcopy.S | 50 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 arch/arm/lib/csumpartialcopy.S (limited to 'arch/arm/lib/csumpartialcopy.S') diff --git a/arch/arm/lib/csumpartialcopy.S b/arch/arm/lib/csumpartialcopy.S new file mode 100644 index 000000000..1ca6aadd6 --- /dev/null +++ b/arch/arm/lib/csumpartialcopy.S @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * linux/arch/arm/lib/csumpartialcopy.S + * + * Copyright (C) 1995-1998 Russell King + */ +#include +#include + + .text + +/* Function: __u32 csum_partial_copy_nocheck(const char *src, char *dst, int len) + * Params : r0 = src, r1 = dst, r2 = len + * Returns : r0 = new checksum + */ + + .macro save_regs + stmfd sp!, {r1, r4 - r8, lr} + .endm + + .macro load_regs + ldmfd sp!, {r1, r4 - r8, pc} + .endm + + .macro load1b, reg1 + ldrb \reg1, [r0], #1 + .endm + + .macro load2b, reg1, reg2 + ldrb \reg1, [r0], #1 + ldrb \reg2, [r0], #1 + .endm + + .macro load1l, reg1 + ldr \reg1, [r0], #4 + .endm + + .macro load2l, reg1, reg2 + ldr \reg1, [r0], #4 + ldr \reg2, [r0], #4 + .endm + + .macro load4l, reg1, reg2, reg3, reg4 + ldmia r0!, {\reg1, \reg2, \reg3, \reg4} + .endm + +#define FN_ENTRY ENTRY(csum_partial_copy_nocheck) +#define FN_EXIT ENDPROC(csum_partial_copy_nocheck) + +#include "csumpartialcopygeneric.S" -- cgit v1.2.3