Commit | Line | Data |
---|---|---|
6aca0125 JW |
1 | #ifndef _URCU_ARCH_ARM_H |
2 | #define _URCU_ARCH_ARM_H | |
fdbddd0b PM |
3 | |
4 | /* | |
6aca0125 | 5 | * arch_arm.h: trivial definitions for the ARM architecture. |
fdbddd0b PM |
6 | * |
7 | * Copyright (c) 2010 Paul E. McKenney, IBM Corporation. | |
6982d6d7 | 8 | * Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
fdbddd0b PM |
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> | |
27 | ||
28 | #ifdef __cplusplus | |
29 | extern "C" { | |
30 | #endif | |
31 | ||
e95ee429 | 32 | #ifdef CONFIG_RCU_ARM_HAVE_DMB |
f63b7141 MD |
33 | #define cmm_mb() asm volatile("dmb":::"memory") |
34 | #define cmm_rmb() asm volatile("dmb":::"memory") | |
35 | #define cmm_wmb() asm volatile("dmb":::"memory") | |
e95ee429 | 36 | #endif /* CONFIG_RCU_ARM_HAVE_DMB */ |
fdbddd0b PM |
37 | |
38 | #include <stdlib.h> | |
39 | #include <sys/time.h> | |
40 | ||
41 | typedef unsigned long long cycles_t; | |
42 | ||
71bce82c | 43 | static inline cycles_t caa_get_cycles (void) |
fdbddd0b PM |
44 | { |
45 | cycles_t thetime; | |
46 | struct timeval tv; | |
47 | ||
48 | if (gettimeofday(&tv, NULL) != 0) | |
49 | return 0; | |
50 | thetime = ((cycles_t)tv.tv_sec) * 1000000ULL + ((cycles_t)tv.tv_usec); | |
51 | return (cycles_t)thetime; | |
52 | } | |
53 | ||
54 | #ifdef __cplusplus | |
55 | } | |
56 | #endif | |
57 | ||
1b9119f8 | 58 | #include <urcu/arch/generic.h> |
fdbddd0b | 59 | |
6aca0125 | 60 | #endif /* _URCU_ARCH_ARM_H */ |