projects / userspace-rcu.git / blame
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1 | #ifndef _URCU_ARCH_ALPHA_H |
| 2 | #define _URCU_ARCH_ALPHA_H | |
| 3 | ||
| 4 | /* | |
| 5 | * arch_alpha.h: trivial definitions for the Alpha architecture. | |
| 6 | * | |
| 7 | * Copyright (c) 2010 Paolo Bonzini <pbonzini@redhat.com> | |
| 8 | * | |
| 9 | * This library is free software; you can redistribute it and/or | |
| 10 | * modify it under the terms of the GNU Lesser General Public | |
| 11 | * License as published by the Free Software Foundation; either | |
| 12 | * version 2.1 of the License, or (at your option) any later version. | |
| 05dd4b94 | 13 | * |
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14 | * This library is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 17 | * Lesser General Public License for more details. | |
| 18 | * | |
| 19 | * You should have received a copy of the GNU Lesser General Public | |
| 20 | * License along with this library; if not, write to the Free Software | |
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 22 | */ | |
| 23 | ||
| 24 | #include <urcu/compiler.h> | |
| 25 | #include <urcu/config.h> | |
| 26 | ||
| 27 | #ifdef __cplusplus | |
| 28 | extern "C" { | |
| 29 | #endif | |
| 30 | ||
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31 | #define cmm_mb() asm volatile("mb":::"memory") |
| 32 | #define cmm_wmb() asm volatile("wmb":::"memory") | |
| 33 | #define cmm_read_barrier_depends() asm volatile("mb":::"memory") | |
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34 | |
| 35 | typedef unsigned long long cycles_t; | |
| 36 | ||
| 71bce82c | 37 | static inline cycles_t caa_get_cycles (void) |
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38 | { |
| 39 | return 0; /* not supported */ | |
| 40 | } | |
| 41 | ||
| 42 | #ifdef __cplusplus | |
| 43 | } | |
| 44 | #endif | |
| 45 | ||
| 1b9119f8 | 46 | #include <urcu/arch/generic.h> |
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47 | |
| 48 | #endif /* _URCU_ARCH_ALPHA_H */ |