X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Farch%2Falpha.h;fp=urcu%2Farch%2Falpha.h;h=300213e2ba616d9e35b8e3a6c33a110d1a08c474;hp=0000000000000000000000000000000000000000;hb=1b9119f8d4c3f40a61d4ee5403f0e7e5967c33d8;hpb=af7c2dbeac32c663b64ad05e4eca70e18784463b diff --git a/urcu/arch/alpha.h b/urcu/arch/alpha.h new file mode 100644 index 0000000..300213e --- /dev/null +++ b/urcu/arch/alpha.h @@ -0,0 +1,48 @@ +#ifndef _URCU_ARCH_ALPHA_H +#define _URCU_ARCH_ALPHA_H + +/* + * arch_alpha.h: trivial definitions for the Alpha architecture. + * + * Copyright (c) 2010 Paolo Bonzini + * + * 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 cmm_mb() asm volatile("mb":::"memory") +#define cmm_wmb() asm volatile("wmb":::"memory") +#define cmm_read_barrier_depends() asm volatile("mb":::"memory") + +typedef unsigned long long cycles_t; + +static inline cycles_t caa_get_cycles (void) +{ + return 0; /* not supported */ +} + +#ifdef __cplusplus +} +#endif + +#include + +#endif /* _URCU_ARCH_ALPHA_H */