1/* $NetBSD: atomic_and.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 32RCSID("$NetBSD: atomic_and.S,v 1.6 2020/08/06 10:00:21 skrll Exp $") 33 34 .text 35 .set noreorder 36#ifdef _KERNEL_OPT 37#include "opt_cputype.h" 38#ifndef MIPS3_LOONGSON2F 39 .set noat 40 .set nomacro 41#endif 42#else /* _KERNEL_OPT */ 43 .set noat 44 .set nomacro 45#endif /* _KERNEL_OPT */ 46 47 48LEAF(_atomic_and_32) 49 LLSCSYNC 501: INT_LL t0, 0(a0) 51 nop 52 and t0, a1 53 INT_SC t0, 0(a0) 54 beq t0, zero, 1b 55 nop 56 j ra 57 nop 58END(_atomic_and_32) 59ATOMIC_OP_ALIAS(atomic_and_32, _atomic_and_32) 60 61LEAF(_atomic_and_32_nv) 62 LLSCSYNC 631: INT_LL v0, 0(a0) 64 nop 65 and v0, a1 66 move t0, v0 67 INT_SC t0, 0(a0) 68 beq t0, zero, 1b 69 nop 70 j ra 71 nop 72END(_atomic_and_32_nv) 73ATOMIC_OP_ALIAS(atomic_and_32_nv, _atomic_and_32_nv) 74 75#if !defined(__mips_o32) 76LEAF(_atomic_and_64) 77 LLSCSYNC 781: REG_LL t0, 0(a0) 79 nop 80 and t0, a1 81 REG_SC t0, 0(a0) 82 beq t0, zero, 1b 83 nop 84 j ra 85 nop 86END(_atomic_and_64) 87ATOMIC_OP_ALIAS(atomic_and_64, _atomic_and_64) 88 89LEAF(_atomic_and_64_nv) 90 LLSCSYNC 911: REG_LL v0, 0(a0) 92 nop 93 and v0, a1 94 move t0, v0 95 REG_SC t0, 0(a0) 96 beq t0, zero, 1b 97 nop 98 j ra 99 nop 100END(_atomic_and_64_nv) 101ATOMIC_OP_ALIAS(atomic_and_64_nv, _atomic_and_64_nv) 102#endif 103 104#ifdef _LP64 105STRONG_ALIAS(_atomic_and_ulong, _atomic_and_64) 106STRONG_ALIAS(_atomic_and_ulong_nv, _atomic_and_64_nv) 107#else 108STRONG_ALIAS(_atomic_and_ulong, _atomic_and_32) 109STRONG_ALIAS(_atomic_and_ulong_nv, _atomic_and_32_nv) 110#endif 111STRONG_ALIAS(_atomic_and_uint, _atomic_and_32) 112STRONG_ALIAS(_atomic_and_uint_nv, _atomic_and_32_nv) 113 114ATOMIC_OP_ALIAS(atomic_and_uint, _atomic_and_uint) 115ATOMIC_OP_ALIAS(atomic_and_uint_nv, _atomic_and_uint_nv) 116ATOMIC_OP_ALIAS(atomic_and_ulong, _atomic_and_ulong) 117ATOMIC_OP_ALIAS(atomic_and_ulong_nv, _atomic_and_ulong_nv) 118