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add assembler versions of the byte swap macros (only compile ntoh and

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hton variants, not byte_swap variants, which are just included), and
copy them to libkern when appropriate.
This commit is contained in:
cgd 1996-04-17 22:36:30 +00:00
parent 17731baa0d
commit 44e8033a96
8 changed files with 234 additions and 6 deletions
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8
lib/libc/arch/alpha/Makefile.inc
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@ -1,9 +1,9 @@
# $NetBSD: Makefile.inc,v 1.1 1995/02/10 17:49:49 cgd Exp $ # $NetBSD: Makefile.inc,v 1.2 1996/04/17 22:36:30 cgd Exp $
KMINCLUDES= arch/alpha/SYS.h arch/alpha/DEFS.h KMINCLUDES= arch/alpha/SYS.h arch/alpha/DEFS.h
KMSRCS= divrem.m4 KMSRCS= divrem.m4 bzero.S htonl.S htons.S ntohl.S ntohs.S \
#KMSRCS= bcmp.S bzero.S ffs.S strcat.S strcmp.S strcpy.S strlen.S \ byte_swap_2.S byte_swap_4.S
# htonl.S htons.S ntohl.S ntohs.S #KMSRCS= bcmp.S ffs.S strcat.S strcmp.S strcpy.S strlen.S
# `source' files built from m4 source # `source' files built from m4 source
SRCS+= __divqu.S __divq.S __divlu.S __divl.S SRCS+= __divqu.S __divq.S __divlu.S __divl.S

4
lib/libc/arch/alpha/net/Makefile.inc
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@ -1,3 +1,3 @@
# $NetBSD: Makefile.inc,v 1.1 1995/02/25 14:58:43 cgd Exp $ # $NetBSD: Makefile.inc,v 1.2 1996/04/17 22:36:42 cgd Exp $
SRCS+= htonl.c htons.c ntohl.c ntohs.c SRCS+= htonl.S htons.S ntohl.S ntohs.S

47
lib/libc/arch/alpha/net/byte_swap_2.S Normal file
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/* $NetBSD: byte_swap_2.S,v 1.1 1996/04/17 22:36:46 cgd Exp $ */
/*
* Copyright (c) 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include "DEFS.h"
#ifndef NAME
#define NAME byte_swap_2
#endif
/*
* Byte-swap a 2-byte quantity. (Convert 0x0123 to 0x2301.)
*
* Argument is an unsigned 2-byte integer (u_int16_t).
*/
LEAF(NAME, 1) /* a0 contains 0x0123 */
extbl a0, 0, t0 /* t0 = 0x 23 */
extbl a0, 1, t1 /* t1 = 0x 01 */
sll t0, 8, t0 /* t1 = 0x23 */
or t0, t1, v0 /* v0 = 0x2301 */
RET
END(NAME)

53
lib/libc/arch/alpha/net/byte_swap_4.S Normal file
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/* $NetBSD: byte_swap_4.S,v 1.1 1996/04/17 22:36:49 cgd Exp $ */
/*
* Copyright (c) 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include "DEFS.h"
#ifndef NAME
#define NAME byte_swap_4
#endif
/*
* Byte-swap a 4-byte quantity. (Convert 0x01234567 to 0x67452301.)
*
* Argument is an unsigned 4-byte integer (u_int32_t).
*/
LEAF(NAME, 1) /* a0 contains 0x01234567 */
extbl a0, 0, t0 /* t0 = 0x 67 */
extbl a0, 1, t1 /* t1 = 0x 45 */
extbl a0, 2, t2 /* t2 = 0x 23 */
extbl a0, 3, t3 /* t3 = 0x 01 */
sll t0, 24, t0 /* t0 = 0x67 */
sll t1, 16, t1 /* t1 = 0x 45 */
sll t2, 8, t2 /* t2 = 0x 23 */
or t3, t0, v0 /* v0 = 0x67 01 */
or t1, t2, t1 /* t1 = 0x 4523 */
or t1, v0, v0 /* v0 = 0x67452301 */
RET
END(NAME)

32
lib/libc/arch/alpha/net/htonl.S Normal file
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/* $NetBSD: htonl.S,v 1.1 1996/04/17 22:36:52 cgd Exp $ */
/*
* Copyright (c) 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#define NAME htonl
#include "byte_swap_4.S"

32
lib/libc/arch/alpha/net/htons.S Normal file
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/* $NetBSD: htons.S,v 1.1 1996/04/17 22:36:54 cgd Exp $ */
/*
* Copyright (c) 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#define NAME htons
#include "byte_swap_2.S"

32
lib/libc/arch/alpha/net/ntohl.S Normal file
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@ -0,0 +1,32 @@
/* $NetBSD: ntohl.S,v 1.1 1996/04/17 22:36:57 cgd Exp $ */
/*
* Copyright (c) 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#define NAME ntohl
#include "byte_swap_4.S"

32
lib/libc/arch/alpha/net/ntohs.S Normal file
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@ -0,0 +1,32 @@
/* $NetBSD: ntohs.S,v 1.1 1996/04/17 22:37:02 cgd Exp $ */
/*
* Copyright (c) 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#define NAME ntohs
#include "byte_swap_2.S"