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- /*
- * linux/arch/arm/lib/csumpartialcopy.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>
- .text
- /* Function: __u32 csum_partial_copy_nocheck(const char *src, char *dst, int len, __u32 sum)
- * Params : r0 = src, r1 = dst, r2 = len, r3 = checksum
- * 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"
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