The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/arm/include/atomic.h

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    1 /* $NetBSD: atomic.h,v 1.1 2002/10/19 12:22:34 bsh Exp $ */
    2 
    3 /*-
    4  * SPDX-License-Identifier: BSD-4-Clause
    5  *
    6  * Copyright (C) 2003-2004 Olivier Houchard
    7  * Copyright (C) 1994-1997 Mark Brinicombe
    8  * Copyright (C) 1994 Brini
    9  * All rights reserved.
   10  *
   11  * This code is derived from software written for Brini by Mark Brinicombe
   12  *
   13  * Redistribution and use in source and binary forms, with or without
   14  * modification, are permitted provided that the following conditions
   15  * are met:
   16  * 1. Redistributions of source code must retain the above copyright
   17  *    notice, this list of conditions and the following disclaimer.
   18  * 2. Redistributions in binary form must reproduce the above copyright
   19  *    notice, this list of conditions and the following disclaimer in the
   20  *    documentation and/or other materials provided with the distribution.
   21  * 3. All advertising materials mentioning features or use of this software
   22  *    must display the following acknowledgement:
   23  *      This product includes software developed by Brini.
   24  * 4. The name of Brini may not be used to endorse or promote products
   25  *    derived from this software without specific prior written permission.
   26  *
   27  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR
   28  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   29  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   30  * IN NO EVENT SHALL BRINI BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   31  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   32  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
   33  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   34  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
   35  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   37  *
   38  * $FreeBSD$
   39  */
   40 
   41 #ifndef _MACHINE_ATOMIC_H_
   42 #define _MACHINE_ATOMIC_H_
   43 
   44 #include <sys/atomic_common.h>
   45 
   46 #include <machine/armreg.h>
   47 
   48 #ifndef _KERNEL
   49 #include <machine/sysarch.h>
   50 #endif
   51 
   52 #include <machine/atomic-v6.h>
   53 
   54 static __inline u_long
   55 atomic_swap_long(volatile u_long *p, u_long v)
   56 {
   57 
   58         return (atomic_swap_32((volatile uint32_t *)p, v));
   59 }
   60 
   61 #define atomic_clear_ptr                atomic_clear_32
   62 #define atomic_clear_acq_ptr            atomic_clear_acq_32
   63 #define atomic_clear_rel_ptr            atomic_clear_rel_32
   64 #define atomic_set_ptr                  atomic_set_32
   65 #define atomic_set_acq_ptr              atomic_set_acq_32
   66 #define atomic_set_rel_ptr              atomic_set_rel_32
   67 #define atomic_fcmpset_ptr              atomic_fcmpset_32
   68 #define atomic_fcmpset_rel_ptr          atomic_fcmpset_rel_32
   69 #define atomic_fcmpset_acq_ptr          atomic_fcmpset_acq_32
   70 #define atomic_cmpset_ptr               atomic_cmpset_32
   71 #define atomic_cmpset_acq_ptr           atomic_cmpset_acq_32
   72 #define atomic_cmpset_rel_ptr           atomic_cmpset_rel_32
   73 #define atomic_load_acq_ptr             atomic_load_acq_32
   74 #define atomic_store_rel_ptr            atomic_store_rel_32
   75 #define atomic_swap_ptr                 atomic_swap_32
   76 #define atomic_readandclear_ptr         atomic_readandclear_32
   77 
   78 #define atomic_add_int                  atomic_add_32
   79 #define atomic_add_acq_int              atomic_add_acq_32
   80 #define atomic_add_rel_int              atomic_add_rel_32
   81 #define atomic_subtract_int             atomic_subtract_32
   82 #define atomic_subtract_acq_int         atomic_subtract_acq_32
   83 #define atomic_subtract_rel_int         atomic_subtract_rel_32
   84 #define atomic_clear_int                atomic_clear_32
   85 #define atomic_clear_acq_int            atomic_clear_acq_32
   86 #define atomic_clear_rel_int            atomic_clear_rel_32
   87 #define atomic_set_int                  atomic_set_32
   88 #define atomic_set_acq_int              atomic_set_acq_32
   89 #define atomic_set_rel_int              atomic_set_rel_32
   90 #define atomic_fcmpset_int              atomic_fcmpset_32
   91 #define atomic_fcmpset_acq_int          atomic_fcmpset_acq_32
   92 #define atomic_fcmpset_rel_int          atomic_fcmpset_rel_32
   93 #define atomic_cmpset_int               atomic_cmpset_32
   94 #define atomic_cmpset_acq_int           atomic_cmpset_acq_32
   95 #define atomic_cmpset_rel_int           atomic_cmpset_rel_32
   96 #define atomic_fetchadd_int             atomic_fetchadd_32
   97 #define atomic_readandclear_int         atomic_readandclear_32
   98 #define atomic_load_acq_int             atomic_load_acq_32
   99 #define atomic_store_rel_int            atomic_store_rel_32
  100 #define atomic_swap_int                 atomic_swap_32
  101 
  102 #include <sys/_atomic_subword.h>
  103 
  104 #endif /* _MACHINE_ATOMIC_H_ */

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