b6cbf7203b
This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
271 lines
7.7 KiB
ArmAsm
271 lines
7.7 KiB
ArmAsm
/* $NetBSD: atomic.S,v 1.5 2009/11/09 14:22:02 skrll Exp $ */
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/*-
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* Copyright (c) 2008 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 Takayoshi Kochi.
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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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#include <machine/asm.h>
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#ifdef _KERNEL
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#define ALIAS(f, t) STRONG_ALIAS(f,t)
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#else
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#define ALIAS(f, t) WEAK_ALIAS(f,t)
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#endif
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.text
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ENTRY(_atomic_dec_32,1)
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fetchadd4.rel r8=[r32],-1
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br.ret.sptk rp
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END(_atomic_dec_32)
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ENTRY(_atomic_dec_64,1)
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fetchadd8.rel r8=[r32],-1
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br.ret.sptk rp
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END(_atomic_dec_64)
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ENTRY(_atomic_dec_32_nv,1)
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fetchadd4.rel r8=[r32],-1
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br.ret.sptk rp
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END(_atomic_dec_32_nv)
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ENTRY(_atomic_dec_64_nv,1)
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fetchadd8.rel r8=[r32],-1
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br.ret.sptk rp
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END(_atomic_dec_64_nv)
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ENTRY(_atomic_inc_32,1)
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fetchadd4.rel r8=[r32],1
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br.ret.sptk rp
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END(_atomic_inc_32)
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ENTRY(_atomic_inc_64,1)
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fetchadd8.rel r8=[r32],1
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br.ret.sptk rp
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END(_atomic_inc_64)
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ENTRY(_atomic_inc_32_nv,1)
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fetchadd4.rel r8=[r32],1
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br.ret.sptk rp
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END(_atomic_inc_32_nv)
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ENTRY(_atomic_inc_64_nv,1)
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fetchadd8.rel r8=[r32],1
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br.ret.sptk rp
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END(_atomic_inc_64_nv)
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ENTRY(_atomic_swap_32,2)
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xchg4 r8=[r32],r33
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;;
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mov r33=r8
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br.ret.sptk rp
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END(_atomic_swap_32)
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ENTRY(_atomic_swap_64,2)
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xchg8 r8=[r32],r33
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;;
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mov r33=r8
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br.ret.sptk rp
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END(_atomic_swap_64)
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ENTRY(_atomic_cas_32,3)
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mov ar.ccv=r33
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;;
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cmpxchg4.acq r8=[r32],r34,ar.ccv
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br.ret.sptk rp
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END(_atomic_cas_32)
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ENTRY(_atomic_cas_64,3)
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mov ar.ccv=r33
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;;
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cmpxchg8.acq r8=[r32],r34,ar.ccv
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br.ret.sptk rp
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END(_atomic_cas_64)
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ENTRY(_membar_consumer,0)
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mf
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br.ret.sptk rp
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END(_membar_consumer)
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ENTRY(_membar_producer,0)
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mf
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br.ret.sptk rp
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END(_membar_producer)
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ENTRY(_membar_enter,0)
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mf
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br.ret.sptk rp
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END(_membar_enter)
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ENTRY(_membar_exit,0)
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mf
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br.ret.sptk rp
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END(_membar_exit)
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ENTRY(_membar_sync,0)
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mf
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br.ret.sptk rp
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END(_membar_sync)
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ALIAS(atomic_add_32,_atomic_add_32)
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ALIAS(atomic_add_int,_atomic_add_32)
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ALIAS(atomic_add_64,_atomic_add_64)
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ALIAS(atomic_add_long,_atomic_add_64)
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ALIAS(atomic_add_ptr,_atomic_add_64)
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ALIAS(atomic_add_32_nv,_atomic_add_32_nv)
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ALIAS(atomic_add_int_nv,_atomic_add_32_nv)
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ALIAS(atomic_add_64_nv,_atomic_add_64_nv)
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ALIAS(atomic_add_long_nv,_atomic_add_64_nv)
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ALIAS(atomic_add_ptr_nv,_atomic_add_64_nv)
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ALIAS(atomic_and_32,_atomic_and_32)
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ALIAS(atomic_and_uint,_atomic_and_32)
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ALIAS(atomic_and_64,_atomic_and_64)
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ALIAS(atomic_and_ulong,_atomic_and_64)
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ALIAS(atomic_and_ptr,_atomic_and_64)
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ALIAS(atomic_and_32_nv,_atomic_and_32_nv)
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ALIAS(atomic_and_uint_nv,_atomic_and_32_nv)
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ALIAS(atomic_and_64_nv,_atomic_and_64_nv)
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ALIAS(atomic_and_ulong_nv,_atomic_and_64_nv)
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ALIAS(atomic_and_ptr_nv,_atomic_and_64_nv)
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ALIAS(atomic_dec_32,_atomic_dec_32)
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ALIAS(atomic_dec_uint,_atomic_dec_32)
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ALIAS(atomic_dec_64,_atomic_dec_64)
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ALIAS(atomic_dec_ulong,_atomic_dec_64)
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ALIAS(atomic_dec_ptr,_atomic_dec_64)
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ALIAS(atomic_dec_32_nv,_atomic_dec_32_nv)
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ALIAS(atomic_dec_uint_nv,_atomic_dec_32_nv)
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ALIAS(atomic_dec_64_nv,_atomic_dec_64_nv)
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ALIAS(atomic_dec_ulong_nv,_atomic_dec_64_nv)
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ALIAS(atomic_dec_ptr_nv,_atomic_dec_64_nv)
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ALIAS(atomic_inc_32,_atomic_inc_32)
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ALIAS(atomic_inc_uint,_atomic_inc_32)
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ALIAS(atomic_inc_64,_atomic_inc_64)
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ALIAS(atomic_inc_ulong,_atomic_inc_64)
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ALIAS(atomic_inc_ptr,_atomic_inc_64)
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ALIAS(atomic_inc_32_nv,_atomic_inc_32_nv)
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ALIAS(atomic_inc_uint_nv,_atomic_inc_32_nv)
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ALIAS(atomic_inc_64_nv,_atomic_inc_64_nv)
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ALIAS(atomic_inc_ulong_nv,_atomic_inc_64_nv)
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ALIAS(atomic_inc_ptr_nv,_atomic_inc_64_nv)
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ALIAS(atomic_or_32,_atomic_or_32)
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ALIAS(atomic_or_uint,_atomic_or_32)
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ALIAS(atomic_or_64,_atomic_or_64)
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ALIAS(atomic_or_ulong,_atomic_or_64)
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ALIAS(atomic_or_ptr,_atomic_or_64)
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ALIAS(atomic_or_32_nv,_atomic_or_32_nv)
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ALIAS(atomic_or_uint_nv,_atomic_or_32_nv)
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ALIAS(atomic_or_64_nv,_atomic_or_64_nv)
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ALIAS(atomic_or_ulong_nv,_atomic_or_64_nv)
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ALIAS(atomic_or_ptr_nv,_atomic_or_64_nv)
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ALIAS(atomic_swap_32,_atomic_swap_32)
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ALIAS(atomic_swap_uint,_atomic_swap_32)
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ALIAS(atomic_swap_64,_atomic_swap_64)
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ALIAS(atomic_swap_ulong,_atomic_swap_64)
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ALIAS(atomic_swap_ptr,_atomic_swap_64)
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ALIAS(atomic_cas_32,_atomic_cas_32)
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ALIAS(atomic_cas_uint,_atomic_cas_32)
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ALIAS(atomic_cas_64,_atomic_cas_64)
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ALIAS(atomic_cas_ulong,_atomic_cas_64)
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ALIAS(atomic_cas_ptr,_atomic_cas_64)
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ALIAS(atomic_cas_32_ni,_atomic_cas_32)
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ALIAS(atomic_cas_uint_ni,_atomic_cas_32)
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ALIAS(atomic_cas_64_ni,_atomic_cas_64)
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ALIAS(atomic_cas_ulong_ni,_atomic_cas_64)
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ALIAS(atomic_cas_ptr_ni,_atomic_cas_64)
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ALIAS(membar_consumer,_membar_consumer)
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ALIAS(membar_producer,_membar_producer)
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ALIAS(membar_enter,_membar_enter)
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ALIAS(membar_exit,_membar_exit)
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ALIAS(membar_sync,_membar_sync)
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STRONG_ALIAS(_atomic_add_int,_atomic_add_32)
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STRONG_ALIAS(_atomic_add_long,_atomic_add_64)
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STRONG_ALIAS(_atomic_add_ptr,_atomic_add_64)
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STRONG_ALIAS(_atomic_add_int_nv,_atomic_add_32_nv)
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STRONG_ALIAS(_atomic_add_long_nv,_atomic_add_64_nv)
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STRONG_ALIAS(_atomic_add_ptr_nv,_atomic_add_64_nv)
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STRONG_ALIAS(_atomic_and_uint,_atomic_and_32)
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STRONG_ALIAS(_atomic_and_ulong,_atomic_and_64)
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STRONG_ALIAS(_atomic_and_ptr,_atomic_and_64)
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STRONG_ALIAS(_atomic_and_uint_nv,_atomic_and_32_nv)
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STRONG_ALIAS(_atomic_and_ulong_nv,_atomic_and_64_nv)
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STRONG_ALIAS(_atomic_and_ptr_nv,_atomic_and_64_nv)
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STRONG_ALIAS(_atomic_dec_uint,_atomic_dec_32)
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STRONG_ALIAS(_atomic_dec_ulong,_atomic_dec_64)
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STRONG_ALIAS(_atomic_dec_ptr,_atomic_dec_64)
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STRONG_ALIAS(_atomic_dec_uint_nv,_atomic_dec_32_nv)
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STRONG_ALIAS(_atomic_dec_ulong_nv,_atomic_dec_64_nv)
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STRONG_ALIAS(_atomic_dec_ptr_nv,_atomic_dec_64_nv)
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STRONG_ALIAS(_atomic_inc_uint,_atomic_inc_32)
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STRONG_ALIAS(_atomic_inc_ulong,_atomic_inc_64)
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STRONG_ALIAS(_atomic_inc_ptr,_atomic_inc_64)
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STRONG_ALIAS(_atomic_inc_uint_nv,_atomic_inc_32_nv)
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STRONG_ALIAS(_atomic_inc_ulong_nv,_atomic_inc_64_nv)
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STRONG_ALIAS(_atomic_inc_ptr_nv,_atomic_inc_64_nv)
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STRONG_ALIAS(_atomic_or_uint,_atomic_or_32)
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STRONG_ALIAS(_atomic_or_ulong,_atomic_or_64)
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STRONG_ALIAS(_atomic_or_ptr,_atomic_or_64)
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STRONG_ALIAS(_atomic_or_uint_nv,_atomic_or_32_nv)
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STRONG_ALIAS(_atomic_or_ulong_nv,_atomic_or_64_nv)
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STRONG_ALIAS(_atomic_or_ptr_nv,_atomic_or_64_nv)
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STRONG_ALIAS(_atomic_swap_uint,_atomic_swap_32)
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STRONG_ALIAS(_atomic_swap_ulong,_atomic_swap_64)
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STRONG_ALIAS(_atomic_swap_ptr,_atomic_swap_64)
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STRONG_ALIAS(_atomic_cas_uint,_atomic_cas_32)
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STRONG_ALIAS(_atomic_cas_ulong,_atomic_cas_64)
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STRONG_ALIAS(_atomic_cas_ptr,_atomic_cas_64)
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STRONG_ALIAS(_atomic_cas_uint_ni,_atomic_cas_32)
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STRONG_ALIAS(_atomic_cas_ulong_ni,_atomic_cas_64)
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STRONG_ALIAS(_atomic_cas_ptr_ni,_atomic_cas_64)
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