0a6a1f1d05
This brings our tree to NetBSD 7.0, as found on -current on the 10-10-2015. This updates: - LLVM to 3.6.1 - GCC to GCC 5.1 - Replace minix/commands/zdump with usr.bin/zdump - external/bsd/libelf has moved to /external/bsd/elftoolchain/ - Import ctwm - Drop sprintf from libminc Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
98 lines
3.1 KiB
C
98 lines
3.1 KiB
C
/* $NetBSD: atomic_op_asm.h,v 1.6 2014/03/07 07:17:54 matt Exp $ */
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/*-
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* Copyright (c) 2007 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.
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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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*
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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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#ifndef _ATOMIC_OP_ASM_H_
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#define _ATOMIC_OP_ASM_H_
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#include <machine/asm.h>
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#if defined(_KERNEL)
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#define ATOMIC_OP_ALIAS(a,s) STRONG_ALIAS(a,s)
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#else /* _KERNEL */
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#define ATOMIC_OP_ALIAS(a,s) WEAK_ALIAS(a,s)
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#endif /* _KERNEL */
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#define ATOMIC_OP_32_ARG(op,insn,arg) \
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ENTRY(_atomic_##op##_32) ; \
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mr %r10,%r3 ; \
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1: lwarx %r3,0,%r10 ; \
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insn %r5,%r3,arg ; \
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stwcx. %r5,0,%r10 ; \
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beqlr+ ; \
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b 1b ; \
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END(_atomic_##op##_32) ; \
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ATOMIC_OP_ALIAS(atomic_##op##_32,_atomic_##op##_32)
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#define ATOMIC_OP_64_ARG(op,insn,arg) \
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ENTRY(_atomic_##op##_64) ; \
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mr %r10,%r3 ; \
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1: ldarx %r3,0,%r10 ; \
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insn %r5,%r3,arg ; \
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stdcx. %r5,0,%r10 ; \
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beqlr+ ; \
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b 1b ; \
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END(_atomic_##op##_64) ; \
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ATOMIC_OP_ALIAS(atomic_##op##_64,_atomic_##op##_64)
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#define ATOMIC_OP_32_ARG_NV(op,insn,arg) \
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ENTRY(_atomic_##op##_32_nv) ; \
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mr %r10,%r3 ; \
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1: lwarx %r3,0,%r10 ; \
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insn %r3,%r3,arg ; \
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stwcx. %r3,0,%r10 ; \
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beqlr+ ; \
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b 1b ; \
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END(_atomic_##op##_32_nv) ; \
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ATOMIC_OP_ALIAS(atomic_##op##_32_nv,_atomic_##op##_32_nv)
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#define ATOMIC_OP_64_ARG_NV(op,insn,arg) \
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ENTRY(_atomic_##op##_64_nv) ; \
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mr %r10,%r3 ; \
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1: ldarx %r3,0,%r10 ; \
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insn %r3,%r3,arg ; \
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stdcx. %r3,0,%r10 ; \
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beqlr+ ; \
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b 1b ; \
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END(_atomic_##op##_64_nv) ; \
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ATOMIC_OP_ALIAS(atomic_##op##_64_nv,_atomic_##op##_64_nv)
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#define ATOMIC_OP_32(op) ATOMIC_OP_32_ARG(op,op,%r4)
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#define ATOMIC_OP_32_NV(op) ATOMIC_OP_32_ARG_NV(op,op,%r4)
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#define ATOMIC_OP_64(op) ATOMIC_OP_64_ARG(op,op,%r4)
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#define ATOMIC_OP_64_NV(op) ATOMIC_OP_64_ARG_NV(op,op,%r4)
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#endif /* _ATOMIC_OP_ASM_H_ */
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