1 #ifndef ARCH_ARM_H 2 #define ARCH_ARM_H 3 4 #define FIO_ARCH (arch_arm) 5 6 #ifndef __NR_ioprio_set 7 #define __NR_ioprio_set 314 8 #define __NR_ioprio_get 315 9 #endif 10 11 #ifndef __NR_fadvise64 12 #define __NR_fadvise64 270 13 #endif 14 15 #ifndef __NR_sys_splice 16 #define __NR_sys_splice 340 17 #define __NR_sys_tee 342 18 #define __NR_sys_vmsplice 343 19 #endif 20 21 #if defined (__ARM_ARCH_4__) || defined (__ARM_ARCH_4T__) \ 22 || defined (__ARM_ARCH_5__) || defined (__ARM_ARCH_5T__) || defined (__ARM_ARCH_5E__)\ 23 || defined (__ARM_ARCH_5TE__) || defined (__ARM_ARCH_5TEJ__) \ 24 || defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) 25 #define nop __asm__ __volatile__("mov\tr0,r0\t@ nop\n\t") 26 #define read_barrier() __asm__ __volatile__ ("" : : : "memory") 27 #define write_barrier() __asm__ __volatile__ ("" : : : "memory") 28 #elif defined(__ARM_ARCH_7A__) 29 #define nop __asm__ __volatile__ ("nop") 30 #define read_barrier() __sync_synchronize() 31 #define write_barrier() __sync_synchronize() 32 #endif 33 34 #endif 35
