1 /*
2 * Copyright (C) 2011 by Julian Wiesener
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * As a special exception, you may use this file as part of a free
10 * software library without restriction. Specifically, if other files
11 * instantiate templates or use macros or inline functions from this
12 * file, or you compile this file and link it with other files to
13 * produce an executable, this file does not by itself cause the
14 * resulting executable to be covered by the GNU General Public
15 * License. This exception does not however invalidate any other
16 * reasons why the executable file might be covered by the GNU Library
17 * General Public License.
18 *
19 * This library is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 * Lesser General Public License for more details.
23 *
24 * You should have received a copy of the GNU Lesser General Public
25 * License along with this library; if not, write to the Free Software
26 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27 */
28 #ifndef CXXTOOLS_MEMBAR_PPC_H
29 #define CXXTOOLS_MEMBAR_PPC_H
30
31 namespace cxxtools {
32
membar_rw()33 inline void membar_rw()
34 {
35 asm volatile("lwsync \n\t" : : : "memory");
36 }
37
membar_write()38 inline void membar_write()
39 {
40 asm volatile("lwsync \n\t" : : : "memory");
41 }
42
membar_read()43 inline void membar_read()
44 {
45 asm volatile("lwsync \n\t" : : : "memory");
46 }
47
48 } // namespace cxxtools
49
50 #endif // CXXTOOLS_MEMBAR_PPC_H
51