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| /* SPDX-License-Identifier: GPL-2.0-only */
| /*
| * linux/arch/arm/lib/csumpartialcopy.S
| *
| * Copyright (C) 1995-1998 Russell King
| */
| #include <linux/linkage.h>
| #include <asm/assembler.h>
|
| .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"
|
|
