projects / urcu.git / blame
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|---|---|---|
| d3d3857f MJ |
1 | // SPDX-FileCopyrightText: 2010 Paolo Bonzini <pbonzini@redhat.com> |
| 2 | // | |
| 3 | // SPDX-License-Identifier: LGPL-2.1-or-later | |
| 4 | ||
| 6f9d9b49 PB |
5 | #ifndef _URCU_ARCH_ALPHA_H |
| 6 | #define _URCU_ARCH_ALPHA_H | |
| 7 | ||
| 8 | /* | |
| 9 | * arch_alpha.h: trivial definitions for the Alpha architecture. | |
| 6f9d9b49 PB |
10 | */ |
| 11 | ||
| 12 | #include <urcu/compiler.h> | |
| 13 | #include <urcu/config.h> | |
| 999991c6 | 14 | #include <urcu/syscall-compat.h> |
| 6f9d9b49 PB |
15 | |
| 16 | #ifdef __cplusplus | |
| 17 | extern "C" { | |
| 18 | #endif | |
| 19 | ||
| e51500ed MD |
20 | #define cmm_mb() __asm__ __volatile__ ("mb":::"memory") |
| 21 | #define cmm_wmb() __asm__ __volatile__ ("wmb":::"memory") | |
| 22 | #define cmm_read_barrier_depends() __asm__ __volatile__ ("mb":::"memory") | |
| 6f9d9b49 | 23 | |
| 192ea849 MJ |
24 | /* |
| 25 | * On Linux, define the membarrier system call number if not yet available in | |
| 26 | * the system headers. | |
| 27 | */ | |
| 28 | #if (defined(__linux__) && !defined(__NR_membarrier)) | |
| 29 | #define __NR_membarrier 517 | |
| 30 | #endif | |
| 31 | ||
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32 | #ifdef __cplusplus |
| 33 | } | |
| 34 | #endif | |
| 35 | ||
| 1b9119f8 | 36 | #include <urcu/arch/generic.h> |
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37 | |
| 38 | #endif /* _URCU_ARCH_ALPHA_H */ |