32 lines
563 B
ArmAsm
32 lines
563 B
ArmAsm
/* $NetBSD: memccpy.S,v 1.3 1998/04/03 22:58:09 matthias Exp $ */
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/*
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* Written by Matthias Pfaller, 1996
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* Public domain.
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*/
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#include <machine/asm.h>
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#if defined(LIBC_SCCS)
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RCSID("$NetBSD: memccpy.S,v 1.3 1998/04/03 22:58:09 matthias Exp $")
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#endif
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/*
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* void *
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* memccpy (void *d, const void *s, int c, size_t len)
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* copy at most len bytes from the string s to d and stop on c.
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*/
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KENTRY(memccpy, 16)
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enter [r4],0
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movd B_ARG3,r0
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movd B_ARG2,r4
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movd B_ARG1,r1
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movd B_ARG0,r2
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movsb u
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bfc 0f
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movb r4,0(r2)
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addr 1(r2),r0
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0: exit [r4]
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ret ARGS
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