Implement urcu workqueues internal API
[urcu.git] / include / urcu / arch / sparc64.h
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1#ifndef _URCU_ARCH_SPARC64_H
2#define _URCU_ARCH_SPARC64_H
3
4/*
5 * arch_sparc64.h: trivial definitions for the Sparc64 architecture.
6 *
7 * Copyright (c) 2009 Paul E. McKenney, IBM Corporation.
6982d6d7 8 * Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
05dd4b94 14 *
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15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 */
24
25#include <urcu/compiler.h>
26#include <urcu/config.h>
999991c6 27#include <urcu/syscall-compat.h>
58de5a4b 28
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29#ifdef __cplusplus
30extern "C" {
67ecffc0 31#endif
36bc70a8 32
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33/*
34 * On Linux, define the membarrier system call number if not yet available in
35 * the system headers.
36 */
37#if (defined(__linux__) && !defined(__NR_membarrier))
38#define __NR_membarrier 351
39#endif
40
06f22bdb 41#define CAA_CACHE_LINE_SIZE 256
58de5a4b 42
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43/*
44 * Inspired from the Linux kernel. Workaround Spitfire bug #51.
45 */
46#define membar_safe(type) \
47__asm__ __volatile__("ba,pt %%xcc, 1f\n\t" \
48 "membar " type "\n" \
49 "1:\n" \
50 : : : "memory")
51
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52#define cmm_mb() membar_safe("#LoadLoad | #LoadStore | #StoreStore | #StoreLoad")
53#define cmm_rmb() membar_safe("#LoadLoad")
54#define cmm_wmb() membar_safe("#StoreStore")
58de5a4b 55
67ecffc0 56#ifdef __cplusplus
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57}
58#endif
59
1b9119f8 60#include <urcu/arch/generic.h>
e4d1eb09 61
58de5a4b 62#endif /* _URCU_ARCH_SPARC64_H */
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