1*b6cbf720SGianluca Guida/* $NetBSD: atomic_inc.S,v 1.4 2008/05/25 15:56:11 chs Exp $ */ 2*b6cbf720SGianluca Guida 3*b6cbf720SGianluca Guida/*- 4*b6cbf720SGianluca Guida * Copyright (c) 2007 The NetBSD Foundation, Inc. 5*b6cbf720SGianluca Guida * All rights reserved. 6*b6cbf720SGianluca Guida * 7*b6cbf720SGianluca Guida * This code is derived from software contributed to The NetBSD Foundation 8*b6cbf720SGianluca Guida * by Jason R. Thorpe. 9*b6cbf720SGianluca Guida * 10*b6cbf720SGianluca Guida * Redistribution and use in source and binary forms, with or without 11*b6cbf720SGianluca Guida * modification, are permitted provided that the following conditions 12*b6cbf720SGianluca Guida * are met: 13*b6cbf720SGianluca Guida * 1. Redistributions of source code must retain the above copyright 14*b6cbf720SGianluca Guida * notice, this list of conditions and the following disclaimer. 15*b6cbf720SGianluca Guida * 2. Redistributions in binary form must reproduce the above copyright 16*b6cbf720SGianluca Guida * notice, this list of conditions and the following disclaimer in the 17*b6cbf720SGianluca Guida * documentation and/or other materials provided with the distribution. 18*b6cbf720SGianluca Guida * 19*b6cbf720SGianluca Guida * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20*b6cbf720SGianluca Guida * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21*b6cbf720SGianluca Guida * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22*b6cbf720SGianluca Guida * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23*b6cbf720SGianluca Guida * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24*b6cbf720SGianluca Guida * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25*b6cbf720SGianluca Guida * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26*b6cbf720SGianluca Guida * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27*b6cbf720SGianluca Guida * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28*b6cbf720SGianluca Guida * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29*b6cbf720SGianluca Guida * POSSIBILITY OF SUCH DAMAGE. 30*b6cbf720SGianluca Guida */ 31*b6cbf720SGianluca Guida 32*b6cbf720SGianluca Guida#include "atomic_op_asm.h" 33*b6cbf720SGianluca Guida 34*b6cbf720SGianluca Guida .text 35*b6cbf720SGianluca Guida 36*b6cbf720SGianluca GuidaLEAF(_atomic_inc_32, 1) 37*b6cbf720SGianluca Guida1: ldl_l t1, 0(a0) 38*b6cbf720SGianluca Guida addl t1, 1, t2 39*b6cbf720SGianluca Guida stl_c t2, 0(a0) 40*b6cbf720SGianluca Guida beq t2, 2f 41*b6cbf720SGianluca Guida RET 42*b6cbf720SGianluca Guida2: br 1b 43*b6cbf720SGianluca Guida END(_atomic_inc_32) 44*b6cbf720SGianluca GuidaATOMIC_OP_ALIAS(atomic_inc_32,_atomic_inc_32) 45*b6cbf720SGianluca GuidaATOMIC_OP_ALIAS(atomic_inc_uint,_atomic_inc_32) 46*b6cbf720SGianluca GuidaSTRONG_ALIAS(_atomic_inc_uint,_atomic_inc_32) 47*b6cbf720SGianluca Guida 48*b6cbf720SGianluca GuidaLEAF(_atomic_inc_32_nv, 1) 49*b6cbf720SGianluca Guida1: ldl_l t1, 0(a0) 50*b6cbf720SGianluca Guida addl t1, 1, t2 51*b6cbf720SGianluca Guida mov t2, v0 52*b6cbf720SGianluca Guida stl_c t2, 0(a0) 53*b6cbf720SGianluca Guida beq t2, 2f 54*b6cbf720SGianluca Guida RET 55*b6cbf720SGianluca Guida2: br 1b 56*b6cbf720SGianluca Guida END(_atomic_inc_32_nv) 57*b6cbf720SGianluca GuidaATOMIC_OP_ALIAS(atomic_inc_32_nv,_atomic_inc_32_nv) 58*b6cbf720SGianluca GuidaATOMIC_OP_ALIAS(atomic_inc_uint_nv,_atomic_inc_32_nv) 59*b6cbf720SGianluca GuidaSTRONG_ALIAS(_atomic_inc_uint_nv,_atomic_inc_32_nv) 60*b6cbf720SGianluca Guida 61*b6cbf720SGianluca GuidaLEAF(_atomic_inc_64, 1) 62*b6cbf720SGianluca Guida1: ldq_l t1, 0(a0) 63*b6cbf720SGianluca Guida addq t1, 1, t2 64*b6cbf720SGianluca Guida stq_c t2, 0(a0) 65*b6cbf720SGianluca Guida beq t2, 2f 66*b6cbf720SGianluca Guida RET 67*b6cbf720SGianluca Guida2: br 1b 68*b6cbf720SGianluca Guida END(_atomic_inc_64) 69*b6cbf720SGianluca GuidaATOMIC_OP_ALIAS(atomic_inc_64,_atomic_inc_64) 70*b6cbf720SGianluca GuidaATOMIC_OP_ALIAS(atomic_inc_ulong,_atomic_inc_64) 71*b6cbf720SGianluca GuidaSTRONG_ALIAS(_atomic_inc_ulong,_atomic_inc_64) 72*b6cbf720SGianluca GuidaATOMIC_OP_ALIAS(atomic_inc_ptr,_atomic_inc_64) 73*b6cbf720SGianluca GuidaSTRONG_ALIAS(_atomic_inc_ptr,_atomic_inc_64) 74*b6cbf720SGianluca Guida 75*b6cbf720SGianluca GuidaLEAF(_atomic_inc_64_nv, 1) 76*b6cbf720SGianluca Guida1: ldq_l t1, 0(a0) 77*b6cbf720SGianluca Guida addq t1, 1, t2 78*b6cbf720SGianluca Guida mov t2, v0 79*b6cbf720SGianluca Guida stq_c t2, 0(a0) 80*b6cbf720SGianluca Guida beq t2, 2f 81*b6cbf720SGianluca Guida RET 82*b6cbf720SGianluca Guida2: br 1b 83*b6cbf720SGianluca Guida END(_atomic_inc_64_nv) 84*b6cbf720SGianluca GuidaATOMIC_OP_ALIAS(atomic_inc_64_nv,_atomic_inc_64_nv) 85*b6cbf720SGianluca GuidaATOMIC_OP_ALIAS(atomic_inc_ulong_nv,_atomic_inc_64_nv) 86*b6cbf720SGianluca GuidaSTRONG_ALIAS(_atomic_inc_ulong_nv,_atomic_inc_64_nv) 87*b6cbf720SGianluca GuidaATOMIC_OP_ALIAS(atomic_inc_ptr_nv,_atomic_inc_64_nv) 88*b6cbf720SGianluca GuidaSTRONG_ALIAS(_atomic_inc_ptr_nv,_atomic_inc_64_nv) 89