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atomic_nand_32.S revision 1.1 
      1 /*	$NetBSD: atomic_nand_32.S,v 1.1 2014/09/19 17:36:24 matt Exp $	*/
      2 /*-
      3  * Copyright (c) 2014 The NetBSD Foundation, Inc.
      4  * All rights reserved.
      5  *
      6  * This code is derived from software contributed to The NetBSD Foundation
      7  * by Matt Thomas <matt (at) 3am-software.com>
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     28  * POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "atomic_op_asm.h"
     32 
     33 ENTRY_NP(_atomic_nand_32)
     34 1:	lr.w	v0, 0(a0)
     35 	not	t0, v0
     36 	and	t0, t0, a1
     37 	sc.w	v1, t0, 0(a0)
     38 	bnez	v1, 1b
     39 	ret
     40 END(_atomic_nand_32)
     41 
     42 ATOMIC_OP_ALIAS(atomic_nand_32,_atomic_nand_32)
     43 ATOMIC_OP_ALIAS(atomic_nand_uint,_atomic_nand_32)
     44 STRONG_ALIAS(_atomic_nand_uint,_atomic_nand_32)
     45 #ifndef _LP64
     46 ATOMIC_OP_ALIAS(atomic_nand_ulong,_atomic_nand_32)
     47 STRONG_ALIAS(_atomic_nand_ulong,_atomic_nand_32)
     48 #endif
     49 CRT_ALIAS(__sync_fetch_and_nand_4,_atomic_nand_32)
     50 CRT_ALIAS(__atomic_fetch_nand_4,_atomic_nand_32)
     51 
     52 ENTRY_NP(_atomic_nand_32_nv)
     53 1:	lr.w	v0, 0(a0)
     54 	not	v0, v0
     55 	and	v0, v0, a1
     56 	sc.w	v1, v0, 0(a0)
     57 	bnez	v1, 1b
     58 	ret
     59 END(_atomic_nand_32_nv)
     60 
     61 ATOMIC_OP_ALIAS(atomic_nand_32_nv,_atomic_nand_32_nv)
     62 ATOMIC_OP_ALIAS(atomic_nand_uint_nv,_atomic_nand_32_nv)
     63 STRONG_ALIAS(_atomic_nand_uint_nv,_atomic_nand_32_nv)
     64 #ifndef _LP64
     65 ATOMIC_OP_ALIAS(atomic_nand_ulong_nv,_atomic_nand_32_nv)
     66 STRONG_ALIAS(_atomic_nand_ulong_nv,_atomic_nand_32_nv)
     67 #endif
     68 CRT_ALIAS(__sync_nand_and_fetch_4,_atomic_nand_32_nv)
     69 CRT_ALIAS(__atomic_nand_fetch_4,_atomic_nand_32_nv)
     70