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58de5a4b MD |
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> |
58de5a4b MD |
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 | * |
58de5a4b MD |
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 | ||
36bc70a8 MD |
28 | #ifdef __cplusplus |
29 | extern "C" { | |
30 | #endif | |
31 | ||
06f22bdb | 32 | #define CAA_CACHE_LINE_SIZE 256 |
58de5a4b | 33 | |
58de5a4b MD |
34 | /* |
35 | * Inspired from the Linux kernel. Workaround Spitfire bug #51. | |
36 | */ | |
37 | #define membar_safe(type) \ | |
38 | __asm__ __volatile__("ba,pt %%xcc, 1f\n\t" \ | |
39 | "membar " type "\n" \ | |
40 | "1:\n" \ | |
41 | : : : "memory") | |
42 | ||
5481ddb3 DG |
43 | #define cmm_mb() membar_safe("#LoadLoad | #LoadStore | #StoreStore | #StoreLoad") |
44 | #define cmm_rmb() membar_safe("#LoadLoad") | |
45 | #define cmm_wmb() membar_safe("#StoreStore") | |
58de5a4b | 46 | |
58de5a4b MD |
47 | typedef unsigned long long cycles_t; |
48 | ||
71bce82c | 49 | static inline cycles_t caa_get_cycles (void) |
58de5a4b MD |
50 | { |
51 | return 0; /* unimplemented */ | |
52 | } | |
53 | ||
36bc70a8 MD |
54 | #ifdef __cplusplus |
55 | } | |
56 | #endif | |
57 | ||
e4d1eb09 PB |
58 | #include <urcu/arch_generic.h> |
59 | ||
58de5a4b | 60 | #endif /* _URCU_ARCH_SPARC64_H */ |