X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Farch%2Farm.h;h=9483bab0e23761a8f6e853dfbe9258b73adb8256;hp=b49f7821052b5e00d0fd30d09145d72c95bc970a;hb=f8c43f458c80566d298d539ec518a8be8c7cc861;hpb=9d2614f07691a813a3c560a6c0bcd0a7be854ed5 diff --git a/urcu/arch/arm.h b/urcu/arch/arm.h index b49f782..9483bab 100644 --- a/urcu/arch/arm.h +++ b/urcu/arch/arm.h @@ -24,32 +24,28 @@ #include #include +#include #ifdef __cplusplus extern "C" { #endif #ifdef CONFIG_RCU_ARM_HAVE_DMB -#define cmm_mb() asm volatile("dmb":::"memory") -#define cmm_rmb() asm volatile("dmb":::"memory") -#define cmm_wmb() asm volatile("dmb":::"memory") +#define cmm_mb() __asm__ __volatile__ ("dmb":::"memory") +#define cmm_rmb() __asm__ __volatile__ ("dmb":::"memory") +#define cmm_wmb() __asm__ __volatile__ ("dmb":::"memory") #endif /* CONFIG_RCU_ARM_HAVE_DMB */ #include #include -typedef unsigned long long cycles_t; - -static inline cycles_t caa_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; -} +/* + * Define the membarrier system call number if not yet available in the + * system headers. + */ +#ifndef __NR_membarrier +#define __NR_membarrier 389 +#endif #ifdef __cplusplus }