92 lines
3.1 KiB
ArmAsm
92 lines
3.1 KiB
ArmAsm
/* $NetBSD: bwx.s,v 1.3 1997/11/03 04:22:00 ross Exp $ */
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/*-
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* Copyright (c) 1997 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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__KERNEL_RCSID(3, "$NetBSD: bwx.s,v 1.3 1997/11/03 04:22:00 ross Exp $")
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/*
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* Alpha Byte/Word Extension instructions. These are functions because
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* gas(1) cannot currently switch targets on the fly. Eventually, these
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* might be replaced by inline __asm() functions.
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*
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* These instructions are available on EV56 (21164A) and later processors.
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*
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* See "Alpha Architecture Handbook, Version 3", DEC order number EC-QD2KB-TE.
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*/
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/*
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* XXX These are .long'd because we pull this into locore.s, which
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* XXX is assembled with only gas(1)'s "base alpha" target.
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*/
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.text
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inc1: .stabs __FILE__,132,0,0,inc1; .loc 1 __LINE__
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LEAF(alpha_ldbu,1)
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.long 0x28100000 /* ldbu v0, 0(a0) */
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RET
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END(alpha_ldbu)
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.text
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LEAF(alpha_ldwu,1)
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.long 0x30100000 /* ldwu v0, 0(a0) */
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RET
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END(alpha_ldwu)
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.text
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LEAF(alpha_stb,1)
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.long 0x3a300000 /* stb a1, 0(a0) */
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RET
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END(alpha_stb)
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.text
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LEAF(alpha_stw,1)
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.long 0x36300000 /* stw a1, 0(a0) */
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RET
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END(alpha_stw)
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.text
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LEAF(alpha_sextb,1)
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.long 0x73f00000 /* sextb a0, v0 */
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RET
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END(alpha_sextb)
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.text
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LEAF(alpha_sextw,1)
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.long 0x73f00020 /* sextw a0, v0 */
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RET
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END(alpha_sextw)
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