X-Git-Url: http://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Farch_armv7l.h;fp=urcu%2Farch_armv7l.h;h=b4049cdd183a03e4e98107077887b6a1479d1e24;hp=0000000000000000000000000000000000000000;hb=fdbddd0b309449efb4db1e70e88bb5c65963b478;hpb=ca5a03db55305c0bf8c2e0571ca46fcccea53512 diff --git a/urcu/arch_armv7l.h b/urcu/arch_armv7l.h new file mode 100644 index 0000000..b4049cd --- /dev/null +++ b/urcu/arch_armv7l.h @@ -0,0 +1,56 @@ +#ifndef _URCU_ARCH_ARMV7L_H +#define _URCU_ARCH_ARMV7L_H + +/* + * arch_armv7l.h: trivial definitions for the ARMv7 architecture. + * + * Copyright (c) 2010 Paul E. McKenney, IBM Corporation. + * Copyright (c) 2009 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#define mb() asm volatile("dmb":::"memory") + +#include +#include + +typedef unsigned long long cycles_t; + +static inline cycles_t get_cycles (void) +{ + cycles_t thetime; + struct timeval tv; + + if (gettimeofday(&tv, NULL) != 0) + return 0; + thetime = ((cycles_t)tv.tv_sec) * 1000000ULL + ((cycles_t)tv.tv_usec); + return (cycles_t)thetime; +} + +#ifdef __cplusplus +} +#endif + +#include + +#endif /* _URCU_ARCH_ARMV7L_H */