/* 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"