1/* $NetBSD: atomic_or.S,v 1.4 2012/03/14 16:50:34 christos Exp $ */ 2 3/*- 4 * Copyright (c) 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#include <machine/asm.h> 30#include "atomic_op_asm.h" 31 32 .text 33 .set noreorder 34#ifdef _KERNEL_OPT 35#include "opt_cputype.h" 36#ifndef MIPS3_LOONGSON2F 37 .set noat 38 .set nomacro 39#endif 40#else /* _KERNEL_OPT */ 41 .set noat 42 .set nomacro 43#endif /* _KERNEL_OPT */ 44 45LEAF(_atomic_or_32) 461: INT_LL t0, 0(a0) 47 nop 48 or t0, a1 49 INT_SC t0, 0(a0) 50 beq t0, zero, 1b 51 nop 52 j ra 53 nop 54END(_atomic_or_32) 55ATOMIC_OP_ALIAS(atomic_or_32, _atomic_or_32) 56 57LEAF(_atomic_or_32_nv) 581: INT_LL v0, 0(a0) 59 nop 60 or v0, a1 61 move t0, v0 62 INT_SC t0, 0(a0) 63 beq t0, zero, 1b 64 nop 65 j ra 66 nop 67END(_atomic_or_32_nv) 68ATOMIC_OP_ALIAS(atomic_or_32_nv, _atomic_or_32_nv) 69 70#if !defined(__mips_o32) 71LEAF(_atomic_or_64) 721: REG_LL t0, 0(a0) 73 nop 74 or t0, a1 75 REG_SC t0, 0(a0) 76 beq t0, zero, 1b 77 nop 78 j ra 79 nop 80END(_atomic_or_64) 81ATOMIC_OP_ALIAS(atomic_or_64, _atomic_or_64) 82 83LEAF(_atomic_or_64_nv) 841: REG_LL v0, 0(a0) 85 nop 86 or v0, a1 87 move t0, v0 88 REG_SC t0, 0(a0) 89 beq t0, zero, 1b 90 nop 91 j ra 92 nop 93END(_atomic_or_64_nv) 94ATOMIC_OP_ALIAS(atomic_or_64_nv, _atomic_or_64_nv) 95#endif 96 97#ifdef _LP64 98STRONG_ALIAS(_atomic_or_ulong, _atomic_or_64) 99STRONG_ALIAS(_atomic_or_ulong_nv, _atomic_or_64_nv) 100#else 101STRONG_ALIAS(_atomic_or_ulong, _atomic_or_32) 102STRONG_ALIAS(_atomic_or_ulong_nv, _atomic_or_32_nv) 103#endif 104STRONG_ALIAS(_atomic_or_uint, _atomic_or_32) 105STRONG_ALIAS(_atomic_or_uint_nv, _atomic_or_32_nv) 106 107ATOMIC_OP_ALIAS(atomic_or_uint, _atomic_or_uint) 108ATOMIC_OP_ALIAS(atomic_or_uint_nv, _atomic_or_uint_nv) 109ATOMIC_OP_ALIAS(atomic_or_ulong, _atomic_or_ulong) 110ATOMIC_OP_ALIAS(atomic_or_ulong_nv, _atomic_or_ulong_nv) 111