projects / urcu.git / blame
| Commit | Line | Data |
|---|---|---|
| 6aca0125 JW |
1 | #ifndef _URCU_ARCH_ARM_H |
| 2 | #define _URCU_ARCH_ARM_H | |
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3 | |
| 4 | /* | |
| 6aca0125 | 5 | * arch_arm.h: trivial definitions for the ARM architecture. |
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6 | * |
| 7 | * Copyright (c) 2010 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. | |
| 14 | * | |
| 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> |
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28 | |
| 29 | #ifdef __cplusplus | |
| 30 | extern "C" { | |
| 31 | #endif | |
| 32 | ||
| e95ee429 | 33 | #ifdef CONFIG_RCU_ARM_HAVE_DMB |
| e51500ed MD |
34 | #define cmm_mb() __asm__ __volatile__ ("dmb":::"memory") |
| 35 | #define cmm_rmb() __asm__ __volatile__ ("dmb":::"memory") | |
| 36 | #define cmm_wmb() __asm__ __volatile__ ("dmb":::"memory") | |
| e95ee429 | 37 | #endif /* CONFIG_RCU_ARM_HAVE_DMB */ |
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38 | |
| 39 | #include <stdlib.h> | |
| 40 | #include <sys/time.h> | |
| 41 | ||
| 42 | typedef unsigned long long cycles_t; | |
| 43 | ||
| 71bce82c | 44 | static inline cycles_t caa_get_cycles (void) |
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45 | { |
| 46 | cycles_t thetime; | |
| 47 | struct timeval tv; | |
| 48 | ||
| 49 | if (gettimeofday(&tv, NULL) != 0) | |
| 50 | return 0; | |
| 51 | thetime = ((cycles_t)tv.tv_sec) * 1000000ULL + ((cycles_t)tv.tv_usec); | |
| 52 | return (cycles_t)thetime; | |
| 53 | } | |
| 54 | ||
| 55 | #ifdef __cplusplus | |
| 56 | } | |
| 57 | #endif | |
| 58 | ||
| 1b9119f8 | 59 | #include <urcu/arch/generic.h> |
| fdbddd0b | 60 | |
| 6aca0125 | 61 | #endif /* _URCU_ARCH_ARM_H */ |