X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Farch_sparc64.h;h=8e991b1a5cbcf57b9d8552b0edebcdc8e86264a5;hp=54c4c3c49315c91f6b7ca255346ceac808f1c0f6;hb=05dd4b94f48c1717c18e0dcee88830394a5f171c;hpb=02be55611d3b1c7bf4fdfcb3a9c98f621882d417 diff --git a/urcu/arch_sparc64.h b/urcu/arch_sparc64.h index 54c4c3c..8e991b1 100644 --- a/urcu/arch_sparc64.h +++ b/urcu/arch_sparc64.h @@ -5,13 +5,13 @@ * arch_sparc64.h: trivial definitions for the Sparc64 architecture. * * Copyright (c) 2009 Paul E. McKenney, IBM Corporation. - * Copyright (c) 2009 Mathieu Desnoyers + * 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 @@ -29,14 +29,8 @@ extern "C" { #endif -#define CONFIG_HAVE_MEM_COHERENCY - #define CACHE_LINE_SIZE 256 -#ifndef BITS_PER_LONG -#define BITS_PER_LONG (__SIZEOF_LONG__ * 8) -#endif - /* * Inspired from the Linux kernel. Workaround Spitfire bug #51. */ @@ -50,53 +44,6 @@ __asm__ __volatile__("ba,pt %%xcc, 1f\n\t" \ #define rmb() membar_safe("#LoadLoad") #define wmb() membar_safe("#StoreStore") -/* - * Architectures without cache coherency need something like the following: - * - * #define mb() mc() - * #define rmb() rmc() - * #define wmb() wmc() - * #define mc() arch_cache_flush() - * #define rmc() arch_cache_flush_read() - * #define wmc() arch_cache_flush_write() - */ - -#define mc() barrier() -#define rmc() barrier() -#define wmc() barrier() - -#ifdef CONFIG_RCU_SMP -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() -#define smp_mc() mc() -#define smp_rmc() rmc() -#define smp_wmc() wmc() -#else -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() -#define smp_mc() barrier() -#define smp_rmc() barrier() -#define smp_wmc() barrier() -#endif - -/* Nop everywhere except on alpha. */ -#define smp_read_barrier_depends() - -static inline void cpu_relax(void) -{ - barrier(); -} - -/* - * Serialize core instruction execution. Also acts as a compiler barrier. - */ -static inline void sync_core() -{ - mb(); -} - typedef unsigned long long cycles_t; static inline cycles_t get_cycles (void) @@ -108,4 +55,6 @@ static inline cycles_t get_cycles (void) } #endif +#include + #endif /* _URCU_ARCH_SPARC64_H */