X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Farch_x86.h;fp=urcu%2Farch_x86.h;h=0000000000000000000000000000000000000000;hp=20db5cfff98466c528800b37f986eaf3efaad689;hb=1b9119f8d4c3f40a61d4ee5403f0e7e5967c33d8;hpb=af7c2dbeac32c663b64ad05e4eca70e18784463b diff --git a/urcu/arch_x86.h b/urcu/arch_x86.h deleted file mode 100644 index 20db5cf..0000000 --- a/urcu/arch_x86.h +++ /dev/null @@ -1,74 +0,0 @@ -#ifndef _URCU_ARCH_X86_H -#define _URCU_ARCH_X86_H - -/* - * arch_x86.h: trivial definitions for the x86 architecture. - * - * Copyright (c) 2009 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 CAA_CACHE_LINE_SIZE 128 - -#ifdef CONFIG_RCU_HAVE_FENCE -#define cmm_mb() asm volatile("mfence":::"memory") -#define cmm_rmb() asm volatile("lfence":::"memory") -#define cmm_wmb() asm volatile("sfence"::: "memory") -#else -/* - * Some non-Intel clones support out of order store. cmm_wmb() ceases to be a - * nop for these. - */ -#define cmm_mb() asm volatile("lock; addl $0,0(%%esp)":::"memory") -#define cmm_rmb() asm volatile("lock; addl $0,0(%%esp)":::"memory") -#define cmm_wmb() asm volatile("lock; addl $0,0(%%esp)"::: "memory") -#endif - -#define caa_cpu_relax() asm volatile("rep; nop" : : : "memory"); - -#define rdtscll(val) \ - do { \ - unsigned int __a, __d; \ - asm volatile("rdtsc" : "=a" (__a), "=d" (__d)); \ - (val) = ((unsigned long long)__a) \ - | (((unsigned long long)__d) << 32); \ - } while(0) - -typedef unsigned long long cycles_t; - -static inline cycles_t caa_get_cycles(void) -{ - cycles_t ret = 0; - - rdtscll(ret); - return ret; -} - -#ifdef __cplusplus -} -#endif - -#include - -#endif /* _URCU_ARCH_X86_H */