1 #ifndef _URCU_ARCH_PPC_H
2 #define _URCU_ARCH_PPC_H
5 * arch_ppc.h: trivial definitions for the powerpc architecture.
7 * Copyright (c) 2009 Paul E. McKenney, IBM Corporation.
8 * Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
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.
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.
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
25 #include <urcu/compiler.h>
26 #include <urcu/config.h>
32 /* Include size of POWER5+ L3 cache lines: 256 bytes */
33 #define CACHE_LINE_SIZE 256
36 #define BITS_PER_LONG (__SIZEOF_LONG__ * 8)
39 #define mb() asm volatile("sync":::"memory")
42 * Serialize core instruction execution. Also acts as a compiler barrier.
44 #define sync_core() asm volatile("isync" : : : "memory")
49 asm volatile("mftbl %0" : "=r" (rval)); \
56 asm volatile("mftbu %0" : "=r" (rval)); \
60 typedef unsigned long long cycles_t
;
62 static inline cycles_t
get_cycles (void)
72 return (((cycles_t
) h
) << 32) + l
;
80 #include <urcu/arch_generic.h>
82 #endif /* _URCU_ARCH_PPC_H */
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