initial import of NetBSD tree

19 files changed, 1033 insertions, 0 deletions

diff --git a/lib/libc/arch/m68k/string/Makefile.inc b/lib/libc/arch/m68k/string/Makefile.inc
new file mode 100644
index 00000000000..8ed076485f3
--- /dev/null
+++ b/lib/libc/arch/m68k/string/Makefile.inc
@@ -0,0 +1,7 @@
+#	$NetBSD: Makefile.inc,v 1.1 1995/03/20 14:45:45 mycroft Exp $
+
+SRCS+=	bcmp.S bcopy.S bzero.S ffs.S index.S memchr.c memcmp.S memset.S \
+	rindex.S strcat.c strcmp.S strcpy.S strcspn.c strlen.S \
+	strncat.c strncmp.S strncpy.S strpbrk.c strsep.c \
+	strspn.c strstr.c swab.S
+SRCS+=	memcpy.S memmove.S strchr.S strrchr.S
diff --git a/lib/libc/arch/m68k/string/bcmp.S b/lib/libc/arch/m68k/string/bcmp.S
new file mode 100644
index 00000000000..2cfae67e363
--- /dev/null
+++ b/lib/libc/arch/m68k/string/bcmp.S
@@ -0,0 +1,91 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.text
+	/*.asciz "from: @(#)bcmp.s	5.1 (Berkeley) 5/12/90"*/
+	.asciz "$Id: bcmp.S,v 1.1 1995/10/18 08:41:31 deraadt Exp $"
+#endif /* LIBC_SCCS and not lint */
+
+/* bcmp(s1, s2, n) */
+
+#include "DEFS.h"
+
+/*
+ * This is probably not the best we can do, but it is still 2-10 times
+ * faster than the C version in the portable gen directory.
+ *
+ * Things that might help:
+ *	- longword align when possible (only on the 68020)
+ *	- use nested DBcc instructions or use one and limit size to 64K
+ */
+ENTRY(bcmp)
+	movl	sp@(4),a0		| string 1
+	movl	sp@(8),a1		| string 2
+	movl	sp@(12),d0		| length
+	beq	bcdone			| if zero, nothing to do
+	movl	a0,d1
+	btst	#0,d1			| string 1 address odd?
+	beq	bceven			| no, skip alignment
+	cmpmb	a0@+,a1@+		| yes, compare a byte
+	bne	bcnoteq			| not equal, return non-zero
+	subql	#1,d0			| adjust count
+	beq	bcdone			| count 0, reutrn zero
+bceven:
+	movl	a1,d1
+	btst	#0,d1			| string 2 address odd?
+	bne	bcbloop			| yes, no hope for alignment, compare bytes
+	movl	d0,d1			| no, both even
+	lsrl	#2,d1			| convert count to longword count
+	beq	bcbloop			| count 0, skip longword loop
+bclloop:
+	cmpml	a0@+,a1@+		| compare a longword
+	bne	bcnoteq			| not equal, return non-zero
+	subql	#1,d1			| adjust count
+	bne	bclloop			| still more, keep comparing
+	andl	#3,d0			| what remains
+	beq	bcdone			| nothing, all done
+bcbloop:
+	cmpmb	a0@+,a1@+		| compare a byte
+	bne	bcnoteq			| not equal, return non-zero
+	subql	#1,d0			| adjust count
+	bne	bcbloop			| still more, keep going
+	rts
+bcnoteq:
+	moveq	#1,d0
+bcdone:
+	rts
diff --git a/lib/libc/arch/m68k/string/bcopy.S b/lib/libc/arch/m68k/string/bcopy.S
new file mode 100644
index 00000000000..137c27db218
--- /dev/null
+++ b/lib/libc/arch/m68k/string/bcopy.S
@@ -0,0 +1,132 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.text
+	/*.asciz "from: @(#)bcopy.s	5.1 (Berkeley) 5/12/90"*/
+	.asciz "$Id: bcopy.S,v 1.1 1995/10/18 08:41:31 deraadt Exp $"
+#endif /* LIBC_SCCS and not lint */
+
+#include "DEFS.h"
+
+/*
+ * This is probably not the best we can do, but it is still 2-10 times
+ * faster than the C version in the portable gen directory.
+ *
+ * Things that might help:
+ *	- unroll the longword copy loop (might not be good for a 68020)
+ *	- longword align when possible (only on the 68020)
+ *	- use nested DBcc instructions or use one and limit size to 64K
+ */
+#ifdef MEMCOPY
+ENTRY(memcpy)
+#else
+#ifdef MEMMOVE
+ENTRY(memmove)
+#else
+ENTRY(bcopy)
+#endif
+#endif
+	movl	sp@(12),d1		| check count
+	beq	bcdone			| == 0, do not do anything
+#if defined(MEMCOPY) || defined(MEMMOVE)
+	movl	sp@(4),a1		| dest address
+	movl	sp@(8),a0		| src address
+#else
+	movl	sp@(4),a0		| src address
+	movl	sp@(8),a1		| dest address
+#endif
+	cmpl	a1,a0			| src after dest?
+	blt	bcback			| yes, must copy backwards
+	movl	a0,d0
+	btst	#0,d0			| src address odd?
+	beq	bcfeven			| no, skip alignment
+	movb	a0@+,a1@+		| yes, copy a byte
+	subql	#1,d1			| adjust count
+	beq	bcdone			| count 0, all done 
+bcfeven:
+	movl	a1,d0
+	btst	#0,d0			| dest address odd?
+	bne	bcfbloop		| yes, no hope for alignment, copy bytes
+	movl	d1,d0			| no, both even
+	lsrl	#2,d0			| convert count to longword count
+	beq	bcfbloop		| count 0, skip longword loop
+bcflloop:
+	movl	a0@+,a1@+		| copy a longword
+	subql	#1,d0			| adjust count
+	bne	bcflloop		| still more, keep copying
+	andl	#3,d1			| what remains
+	beq	bcdone			| nothing, all done
+bcfbloop:
+	movb	a0@+,a1@+		| copy a byte
+	subql	#1,d1			| adjust count
+	bne	bcfbloop		| still more, keep going
+bcdone:
+#if defined(MEMCOPY) || defined(MEMMOVE)
+	movl	sp@(4),d0		| dest address
+#endif
+	rts
+bcback:
+	addl	d1,a0			| src pointer to end
+	addl	d1,a1			| dest pointer to end
+	movl	a0,d0
+	btst	#0,d0			| src address odd?
+	beq	bcbeven			| no, skip alignment
+	movb	a0@-,a1@-		| yes, copy a byte
+	subql	#1,d1			| adjust count
+	beq	bcdone			| count 0, all done 
+bcbeven:
+	movl	a1,d0
+	btst	#0,d0			| dest address odd?
+	bne	bcbbloop		| yes, no hope for alignment, copy bytes
+	movl	d1,d0			| no, both even
+	lsrl	#2,d0			| convert count to longword count
+	beq	bcbbloop		| count 0, skip longword loop
+bcblloop:
+	movl	a0@-,a1@-		| copy a longword
+	subql	#1,d0			| adjust count
+	bne	bcblloop		| still more, keep copying
+	andl	#3,d1			| what remains
+	beq	bcdone			| nothing, all done
+bcbbloop:
+	movb	a0@-,a1@-		| copy a byte
+	subql	#1,d1			| adjust count
+	bne	bcbbloop		| still more, keep going
+#if defined(MEMCOPY) || defined(MEMMOVE)
+	movl	sp@(4),d0		| dest address
+#endif
+	rts
diff --git a/lib/libc/arch/m68k/string/bzero.S b/lib/libc/arch/m68k/string/bzero.S
new file mode 100644
index 00000000000..c9822440bb2
--- /dev/null
+++ b/lib/libc/arch/m68k/string/bzero.S
@@ -0,0 +1,80 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.text
+	/*.asciz "from: @(#)bzero.s	5.1 (Berkeley) 5/12/90"*/
+	.asciz "$Id: bzero.S,v 1.1 1995/10/18 08:41:31 deraadt Exp $"
+#endif /* LIBC_SCCS and not lint */
+
+#include "DEFS.h"
+
+/*
+ * This is probably not the best we can do, but it is still much
+ * faster than the C version in the portable gen directory.
+ *
+ * Things that might help:
+ *	- unroll the longword loop (might not be good for a 68020)
+ *	- longword, as opposed to word, align when possible (only on the 68020)
+ *	- use nested DBcc instructions or use one and limit size to 64K
+ */
+ENTRY(bzero)
+	movl	sp@(4),a0		| destination
+	movl	sp@(8),d0		| count
+	beq	bzdone			| nothing to do
+	movl	a0,d1
+	btst	#0,d1			| address odd?
+	beq	bzeven			| no, skip alignment
+	clrb	a0@+			| yes, clear a byte
+	subql	#1,d0			| adjust count
+	beq	bzdone			| if zero, all done
+bzeven:
+	movl	d0,d1
+	lsrl	#2,d1			| convert to longword count
+	beq	bzbloop			| no longwords, skip loop
+bzlloop:
+	clrl	a0@+			| clear a longword
+	subql	#1,d1			| adjust count
+	bne	bzlloop			| still more, keep going
+	andl	#3,d0			| what remains
+	beq	bzdone			| nothing, all done
+bzbloop:
+	clrb	a0@+			| clear a byte
+	subql	#1,d0			| adjust count
+	bne	bzbloop			| still more, keep going
+bzdone:
+	rts
diff --git a/lib/libc/arch/m68k/string/ffs.S b/lib/libc/arch/m68k/string/ffs.S
new file mode 100644
index 00000000000..d35e3ffd291
--- /dev/null
+++ b/lib/libc/arch/m68k/string/ffs.S
@@ -0,0 +1,56 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.text
+	/*.asciz "from: @(#)ffs.s	5.1 (Berkeley) 5/12/90"*/
+	.asciz "$Id: ffs.S,v 1.1 1995/10/18 08:41:31 deraadt Exp $"
+#endif /* LIBC_SCCS and not lint */
+
+/* bit = ffs(value) */
+
+#include "DEFS.h"
+
+ENTRY(ffs)
+	movl	sp@(4),d0
+	movl	d0,d1
+	negl	d0
+	andl	d0,d1
+	movql	#32,d0
+	bfffo	d1{#0:#32},d1
+	subl	d1,d0
+	rts
diff --git a/lib/libc/arch/m68k/string/index.S b/lib/libc/arch/m68k/string/index.S
new file mode 100644
index 00000000000..1d26bc4bc60
--- /dev/null
+++ b/lib/libc/arch/m68k/string/index.S
@@ -0,0 +1,62 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.text
+	/*.asciz "from: @(#)index.s	5.1 (Berkeley) 5/12/90"*/
+	.asciz "$Id: index.S,v 1.1 1995/10/18 08:41:31 deraadt Exp $"
+#endif /* LIBC_SCCS and not lint */
+
+#include "DEFS.h"
+
+#ifdef STRCHR
+ENTRY(strchr)
+#else
+ENTRY(index)
+#endif
+	movl	sp@(4),a0		| string
+	movb	sp@(11),d0		| char to look for
+ixloop:
+	cmpb	a0@,d0			| found our char?
+	beq	ixfound			| yes, break out
+	tstb	a0@+			| null?
+	bne	ixloop			| no, keep going
+	moveq	#0,d0			| not found, return null
+	rts
+ixfound:
+	movl	a0,d0			| found, return pointer
+	rts
diff --git a/lib/libc/arch/m68k/string/memcmp.S b/lib/libc/arch/m68k/string/memcmp.S
new file mode 100644
index 00000000000..578c23308ba
--- /dev/null
+++ b/lib/libc/arch/m68k/string/memcmp.S
@@ -0,0 +1,100 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.text
+	/*.asciz "from: @(#)bcmp.s	5.1 (Berkeley) 5/12/90"*/
+	.asciz "$Id: memcmp.S,v 1.1 1995/10/18 08:41:31 deraadt Exp $"
+#endif /* LIBC_SCCS and not lint */
+
+/* memcmp(s1, s2, n) */
+
+#include "DEFS.h"
+
+/*
+ * This is probably not the best we can do, but it is still 2-10 times
+ * faster than the C version in the portable gen directory.
+ *
+ * Things that might help:
+ *	- longword align when possible (only on the 68020)
+ *	- use nested DBcc instructions or use one and limit size to 64K
+ */
+ENTRY(memcmp)
+	movl	sp@(4),a0		| string 1
+	movl	sp@(8),a1		| string 2
+	movl	sp@(12),d0		| length
+	beq	bcdone			| if zero, nothing to do
+	movl	a0,d1
+	btst	#0,d1			| string 1 address odd?
+	beq	bceven			| no, skip alignment
+	cmpmb	a0@+,a1@+		| yes, compare a byte
+	bne	bcnoteq			| not equal, return non-zero
+	subql	#1,d0			| adjust count
+	beq	bcdone			| count 0, reutrn zero
+bceven:
+	movl	a1,d1
+	btst	#0,d1			| string 2 address odd?
+	bne	bcbloop			| yes, no hope for alignment, compare bytes
+	movl	d0,d1			| no, both even
+	lsrl	#2,d1			| convert count to longword count
+	beq	bcbloop			| count 0, skip longword loop
+bclloop:
+	cmpml	a0@+,a1@+		| compare a longword
+	bne	bcnoteql		| not equal, return non-zero
+	subql	#1,d1			| adjust count
+	bne	bclloop			| still more, keep comparing
+	andl	#3,d0			| what remains
+	beq	bcdone			| nothing, all done
+bcbloop:
+	cmpmb	a0@+,a1@+		| compare a byte
+	bne	bcnoteq			| not equal, return non-zero
+	subql	#1,d0			| adjust count
+	bne	bcbloop			| still more, keep going
+	rts
+bcnoteql:
+	subql	#4,a0
+	subql	#4,a1
+	movl	#4,d0
+	jra	bcbloop
+bcnoteq:
+	clrl	d0
+	clrl	d1
+	movb	a0@-,d0
+	movb	a1@-,d1
+	subl	d1,d0
+bcdone:
+	rts
diff --git a/lib/libc/arch/m68k/string/memcpy.S b/lib/libc/arch/m68k/string/memcpy.S
new file mode 100644
index 00000000000..1617c7153aa
--- /dev/null
+++ b/lib/libc/arch/m68k/string/memcpy.S
@@ -0,0 +1,2 @@
+#define MEMCOPY
+#include "bcopy.S"
diff --git a/lib/libc/arch/m68k/string/memmove.S b/lib/libc/arch/m68k/string/memmove.S
new file mode 100644
index 00000000000..f5a94ed4937
--- /dev/null
+++ b/lib/libc/arch/m68k/string/memmove.S
@@ -0,0 +1,2 @@
+#define MEMMOVE
+#include "bcopy.S"
diff --git a/lib/libc/arch/m68k/string/memset.S b/lib/libc/arch/m68k/string/memset.S
new file mode 100644
index 00000000000..322abc10582
--- /dev/null
+++ b/lib/libc/arch/m68k/string/memset.S
@@ -0,0 +1,111 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.text
+	/*.asciz "from: @(#)bzero.s	5.1 (Berkeley) 5/12/90"*/
+	.asciz "$Id: memset.S,v 1.1 1995/10/18 08:41:31 deraadt Exp $"
+#endif /* LIBC_SCCS and not lint */
+
+#include "DEFS.h"
+
+/*
+ * This is probably not the best we can do, but it is still much
+ * faster than the C version in the portable gen directory.
+ *
+ * Things that might help:
+ *	- unroll the longword loop (might not be good for a 68020)
+ *	- longword, as opposed to word, align when possible (only on the 68020)
+ *	- use nested DBcc instructions or use one and limit size to 64K
+ */
+ENTRY(memset)
+	movl	d2,sp@-
+	movl	sp@(8),a0		| destination
+	movl	sp@(16),d0		| count
+	beq	bzdone			| nothing to do
+	movb	sp@(15),d2		| character
+	movl	a0,d1
+	btst	#0,d1			| address odd?
+	beq	bzeven			| no, skip alignment
+	movb	d2,a0@+			| set one byte
+	subql	#1,d0			| adjust count
+	beq	bzdone			| if zero, all done
+bzeven:
+	cmpl	#15,d0
+	ble	bzbloop			| too small to be worthwhile
+	clrl	d1			| replicate byte to fill longword
+	movb	d2,d1
+	movl	d1,d2
+	lsll	#8,d1
+	orl	d1,d2
+	lsll	#8,d1
+	orl	d1,d2
+	lsll	#8,d1
+	orl	d1,d2
+	movl	d0,d1			| convert to longword count
+	lsrl	#2,d1
+#ifdef DEBUG
+	moveml	#0xffff,sp@-
+	movl	d2,sp@-
+	movl	d1,sp@-
+	movl	d0,sp@-
+	movl	a0,sp@-
+	movl	#foo,sp@-
+	jsr	_printf
+	addl	#20,sp
+	moveml	sp@+,#0xffff
+#endif
+bzlloop:
+	movl	d2,a0@+			| set one longword
+	subql	#1,d1			| adjust count
+	bne	bzlloop			| still more, keep going
+	andl	#3,d0			| what remains
+	beq	bzdone			| nothing, all done
+bzbloop:
+	movb	d2,a0@+			| set one byte
+	subql	#1,d0			| adjust count
+	bne	bzbloop			| still more, keep going
+bzdone:
+	movl	sp@(8),d0		| return destination
+	movl	sp@+,d2
+	rts
+
+#ifdef DEBUG
+	.globl	_printf
+foo:
+	.asciz	"a0=%08x d0=%08x d1=%08x d2=%08x\n"
+#endif
diff --git a/lib/libc/arch/m68k/string/rindex.S b/lib/libc/arch/m68k/string/rindex.S
new file mode 100644
index 00000000000..211654d34f6
--- /dev/null
+++ b/lib/libc/arch/m68k/string/rindex.S
@@ -0,0 +1,62 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.text
+	/*.asciz "from: @(#)rindex.s	5.1 (Berkeley) 5/12/90"*/
+	.asciz "$Id: rindex.S,v 1.1 1995/10/18 08:41:31 deraadt Exp $"
+#endif /* LIBC_SCCS and not lint */
+
+#include "DEFS.h"
+
+#ifdef STRRCHR
+ENTRY(strrchr)
+#else
+ENTRY(rindex)
+#endif
+	movl	sp@(4),a0		| string
+	movb	sp@(11),d0		| char to look for
+	subl	a1,a1			| clear rindex pointer
+rixloop:
+	cmpb	a0@,d0			| found our char?
+	bne	rixnope			| no, check for null
+	movl	a0,a1			| yes, remember location
+rixnope:
+	tstb	a0@+			| null?
+	bne	rixloop			| no, keep going
+	movl	a1,d0			| return value
+	rts
diff --git a/lib/libc/arch/m68k/string/strchr.S b/lib/libc/arch/m68k/string/strchr.S
new file mode 100644
index 00000000000..e603668efe5
--- /dev/null
+++ b/lib/libc/arch/m68k/string/strchr.S
@@ -0,0 +1,2 @@
+#define STRCHR
+#include "index.S"
diff --git a/lib/libc/arch/m68k/string/strcmp.S b/lib/libc/arch/m68k/string/strcmp.S
new file mode 100644
index 00000000000..92dfd30c57b
--- /dev/null
+++ b/lib/libc/arch/m68k/string/strcmp.S
@@ -0,0 +1,66 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.text
+	/*.asciz "from: @(#)strcmp.s	5.1 (Berkeley) 5/12/90"*/
+	.asciz "$Id: strcmp.S,v 1.1 1995/10/18 08:41:31 deraadt Exp $"
+#endif /* LIBC_SCCS and not lint */
+
+#include "DEFS.h"
+
+/*
+ * NOTE: this guy returns result compatible with the VAX assembly version.
+ * The C version on the portable gen directory returns different results
+ * (different signs!) when comparing chars with the high bit on.  Who is
+ * right??
+ */
+ENTRY(strcmp)
+	movl	sp@(4),a0		| a0 = string1
+	movl	sp@(8),a1		| a1 = string2
+scloop:
+	movb	a0@+,d0			| get *string1
+	cmpb	a1@+,d0			| compare a byte
+	bne	scexit			| not equal, break out
+	tstb	d0			| at end of string1?
+	bne	scloop			| no, keep going
+	moveq	#0,d0			| strings are equal
+	rts
+scexit:
+	subb	a1@-,d0			| *string1 - *string2
+	extbl	d0
+	rts
diff --git a/lib/libc/arch/m68k/string/strcpy.S b/lib/libc/arch/m68k/string/strcpy.S
new file mode 100644
index 00000000000..de1be32b574
--- /dev/null
+++ b/lib/libc/arch/m68k/string/strcpy.S
@@ -0,0 +1,53 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.text
+	/*.asciz "from: @(#)strcpy.s	5.1 (Berkeley) 5/12/90"*/
+	.asciz "$Id: strcpy.S,v 1.1 1995/10/18 08:41:31 deraadt Exp $"
+#endif /* LIBC_SCCS and not lint */
+
+#include "DEFS.h"
+
+ENTRY(strcpy)
+	movl	sp@(8),a0		| a0 = fromaddr
+	movl	sp@(4),d0		| return value is toaddr
+	movl	d0,a1			| a1 = toaddr
+scloop:
+	movb	a0@+,a1@+		| copy a byte
+	bne	scloop			| copied non-null, keep going
+	rts
diff --git a/lib/libc/arch/m68k/string/strlen.S b/lib/libc/arch/m68k/string/strlen.S
new file mode 100644
index 00000000000..65c94469f92
--- /dev/null
+++ b/lib/libc/arch/m68k/string/strlen.S
@@ -0,0 +1,53 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.text
+	/*.asciz "from: @(#)strlen.s	5.1 (Berkeley) 5/12/90"*/
+	.asciz "$Id: strlen.S,v 1.1 1995/10/18 08:41:31 deraadt Exp $"
+#endif /* LIBC_SCCS and not lint */
+
+#include "DEFS.h"
+
+ENTRY(strlen)
+	moveq	#-1,d0
+	movl	sp@(4),a0		| string
+slloop:
+	addql	#1,d0			| increment count
+	tstb	a0@+			| null?
+	bne	slloop			| no, keep going
+	rts
diff --git a/lib/libc/arch/m68k/string/strncmp.S b/lib/libc/arch/m68k/string/strncmp.S
new file mode 100644
index 00000000000..7d06a8de187
--- /dev/null
+++ b/lib/libc/arch/m68k/string/strncmp.S
@@ -0,0 +1,71 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.text
+	/*.asciz "from: @(#)strncmp.s	5.1 (Berkeley) 5/12/90"*/
+	.asciz "$Id: strncmp.S,v 1.1 1995/10/18 08:41:31 deraadt Exp $"
+#endif /* LIBC_SCCS and not lint */
+
+#include "DEFS.h"
+
+/*
+ * NOTE: this guy returns result compatible with the VAX assembly version.
+ * The C version on the portable gen directory returns different results
+ * (different signs!) when comparing chars with the high bit on.  Who is
+ * right??
+ */
+ENTRY(strncmp)
+	movl	sp@(12),d1		| count
+	beq	scdone			| nothing to do
+	movl	sp@(4),a0		| a0 = string1
+	movl	sp@(8),a1		| a1 = string2
+scloop:
+	movb	a0@+,d0			| get *string1
+	cmpb	a1@+,d0			| compare a byte
+	bne	scexit			| not equal, break out
+	tstb	d0			| at end of string1?
+	beq	scdone			| yes, all done
+	subql	#1,d1			| no, adjust count
+	bne	scloop			| more to do, keep going
+scdone:
+	moveq	#0,d0			| strings are equal
+	rts
+scexit:
+	subb	a1@-,d0			| *string1 - *string2
+	extbl	d0
+	rts
diff --git a/lib/libc/arch/m68k/string/strncpy.S b/lib/libc/arch/m68k/string/strncpy.S
new file mode 100644
index 00000000000..310614c3ac9
--- /dev/null
+++ b/lib/libc/arch/m68k/string/strncpy.S
@@ -0,0 +1,63 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.text
+	/*.asciz "from: @(#)strncpy.s	5.1 (Berkeley) 5/12/90"*/
+	.asciz "$Id: strncpy.S,v 1.1 1995/10/18 08:41:31 deraadt Exp $"
+#endif /* LIBC_SCCS and not lint */
+
+#include "DEFS.h"
+
+ENTRY(strncpy)
+	movl	sp@(4),d0		| return value is toaddr
+	movl	sp@(12),d1		| count
+	beq	scdone			| nothing to do
+	movl	sp@(8),a0		| a0 = fromaddr
+	movl	d0,a1			| a1 = toaddr
+scloop:
+	movb	a0@+,a1@+		| copy a byte
+	beq	scploop			| copied null, go pad if necessary
+	subql	#1,d1			| adjust count
+	bne	scloop			| more room, keep going
+scdone:
+	rts
+scploop:
+	subql	#1,d1			| adjust count
+	beq	scdone			| no more room, all done
+	clrb	a1@+			| clear a byte
+	jra	scploop			| keep going
diff --git a/lib/libc/arch/m68k/string/strrchr.S b/lib/libc/arch/m68k/string/strrchr.S
new file mode 100644
index 00000000000..f9deb5a826e
--- /dev/null
+++ b/lib/libc/arch/m68k/string/strrchr.S
@@ -0,0 +1,2 @@
+#define STRRCHR
+#include "rindex.S"
diff --git a/lib/libc/arch/m68k/string/swab.S b/lib/libc/arch/m68k/string/swab.S
new file mode 100644
index 00000000000..80d5d120535
--- /dev/null
+++ b/lib/libc/arch/m68k/string/swab.S
@@ -0,0 +1,18 @@
+#include "DEFS.h"
+
+ENTRY(swab)
+	movl	sp@(4),a0		| source
+	movl	sp@(8),a1		| destination
+	movl	sp@(12),d0		| count
+	lsrl	#1,d0			| count is in bytes; we need words
+	beq	swdone
+
+swloop:
+	movw	a0@+,d1
+	rorw	#8,d1
+	movw	d1,a1@+
+	subql	#1,d0
+	bne	swloop
+
+swdone:
+	rts