1/* $NetBSD: atomic_or.S,v 1.6 2020/08/06 10:00:21 skrll 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) 46 LLSCSYNC 471: INT_LL t0, 0(a0) 48 nop 49 or t0, a1 50 INT_SC t0, 0(a0) 51 beq t0, zero, 1b 52 nop 53 j ra 54 nop 55END(_atomic_or_32) 56ATOMIC_OP_ALIAS(atomic_or_32, _atomic_or_32) 57 58LEAF(_atomic_or_32_nv) 59 LLSCSYNC 601: INT_LL v0, 0(a0) 61 nop 62 or v0, a1 63 move t0, v0 64 INT_SC t0, 0(a0) 65 beq t0, zero, 1b 66 nop 67 j ra 68 nop 69END(_atomic_or_32_nv) 70ATOMIC_OP_ALIAS(atomic_or_32_nv, _atomic_or_32_nv) 71 72#if !defined(__mips_o32) 73LEAF(_atomic_or_64) 74 LLSCSYNC 751: REG_LL t0, 0(a0) 76 nop 77 or t0, a1 78 REG_SC t0, 0(a0) 79 beq t0, zero, 1b 80 nop 81 j ra 82 nop 83END(_atomic_or_64) 84ATOMIC_OP_ALIAS(atomic_or_64, _atomic_or_64) 85 86LEAF(_atomic_or_64_nv) 87 LLSCSYNC 881: REG_LL v0, 0(a0) 89 nop 90 or v0, a1 91 move t0, v0 92 REG_SC t0, 0(a0) 93 beq t0, zero, 1b 94 nop 95 j ra 96 nop 97END(_atomic_or_64_nv) 98ATOMIC_OP_ALIAS(atomic_or_64_nv, _atomic_or_64_nv) 99#endif 100 101#ifdef _LP64 102STRONG_ALIAS(_atomic_or_ulong, _atomic_or_64) 103STRONG_ALIAS(_atomic_or_ulong_nv, _atomic_or_64_nv) 104#else 105STRONG_ALIAS(_atomic_or_ulong, _atomic_or_32) 106STRONG_ALIAS(_atomic_or_ulong_nv, _atomic_or_32_nv) 107#endif 108STRONG_ALIAS(_atomic_or_uint, _atomic_or_32) 109STRONG_ALIAS(_atomic_or_uint_nv, _atomic_or_32_nv) 110 111ATOMIC_OP_ALIAS(atomic_or_uint, _atomic_or_uint) 112ATOMIC_OP_ALIAS(atomic_or_uint_nv, _atomic_or_uint_nv) 113ATOMIC_OP_ALIAS(atomic_or_ulong, _atomic_or_ulong) 114ATOMIC_OP_ALIAS(atomic_or_ulong_nv, _atomic_or_ulong_nv) 115