add bcmp()

2 files changed, 86 insertions, 2 deletions

diff --git a/sys/lib/libkern/arch/hppa/Makefile.inc b/sys/lib/libkern/arch/hppa/Makefile.inc
index b5b92f769e5..c0644f8ece5 100644
--- a/sys/lib/libkern/arch/hppa/Makefile.inc
+++ b/sys/lib/libkern/arch/hppa/Makefile.inc
@@ -1,6 +1,6 @@
-#	$OpenBSD: Makefile.inc,v 1.3 1998/06/24 14:42:40 mickey Exp $
+#	$OpenBSD: Makefile.inc,v 1.4 1998/06/24 18:02:17 mickey Exp $
 
 SRCS+=	__main.c imax.c imin.c lmax.c lmin.c max.c min.c ulmax.c ulmin.c \
 	random.c ashrdi3.c divdi3.c strncpy.c
 
-SRCS+=	milli.S bzero.S bcopy.S ffs.S
+SRCS+=	milli.S bzero.S bcopy.S bcmp.S ffs.S
diff --git a/sys/lib/libkern/arch/hppa/bcmp.S b/sys/lib/libkern/arch/hppa/bcmp.S
new file mode 100644
index 00000000000..3f0b9f527ab
--- /dev/null
+++ b/sys/lib/libkern/arch/hppa/bcmp.S
@@ -0,0 +1,84 @@
+/*	$OpenBSD: bcmp.S,v 1.1 1998/06/24 18:02:18 mickey Exp $	*/
+
+/*
+ * Copyright 1996 1995 by Open Software Foundation, Inc.   
+ *              All Rights Reserved 
+ *  
+ * Permission to use, copy, modify, and distribute this software and 
+ * its documentation for any purpose and without fee is hereby granted, 
+ * provided that the above copyright notice appears in all copies and 
+ * that both the copyright notice and this permission notice appear in 
+ * supporting documentation. 
+ *  
+ * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE 
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
+ * FOR A PARTICULAR PURPOSE. 
+ *  
+ * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR 
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, 
+ * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 
+ * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 
+ */
+/*
+ * pmk1.1
+ */
+/*
+ *  (c) Copyright 1988 HEWLETT-PACKARD COMPANY
+ *
+ *  To anyone who acknowledges that this file is provided "AS IS"
+ *  without any express or implied warranty:
+ *      permission to use, copy, modify, and distribute this file
+ *  for any purpose is hereby granted without fee, provided that
+ *  the above copyright notice and this notice appears in all
+ *  copies, and that the name of Hewlett-Packard Company not be
+ *  used in advertising or publicity pertaining to distribution
+ *  of the software without specific, written prior permission.
+ *  Hewlett-Packard Company makes no representations about the
+ *  suitability of this software for any purpose.
+ */
+
+/*
+ * Copyright (c) 1990,1991,1994 The University of Utah and
+ * the Computer Systems Laboratory (CSL).  All rights reserved.
+ *
+ * THE UNIVERSITY OF UTAH AND CSL PROVIDE THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION, AND DISCLAIM ANY LIABILITY OF ANY KIND FOR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM ITS USE.
+ *
+ * CSL requests users of this software to return to csl-dist@cs.utah.edu any
+ * improvements that they make and grant CSL redistribution rights.
+ *
+ * 	Utah $Hdr: movc.s 1.26 94/12/14$
+ */
+
+#include <machine/asm.h>
+
+	.space	$TEXT$
+
+	.code
+
+/*
+ * int
+ * bcmp(src, dst, count)
+ *	vm_offset_t	src;
+ *	vm_offset_t	dst;
+ *	int		count;
+ */
+ENTRY(bcmp)
+        comb,>= r0,arg2,$bcmp_exit
+	copy	t1,t2
+
+$bcmp_loop
+	ldbs,ma	1(arg0),t1
+	ldbs,ma	1(arg1),t2
+	comb,<>,n t1,t2,$bcmp_exit
+	addib,<> -1,arg2,$bcmp_loop
+	nop
+
+$bcmp_exit
+	bv	0(r2)
+	sub	t1,t2,ret0
+
+EXIT(bcmp)
+