#ifndef ARCH_IA64_H #define ARCH_IA64_H #define FIO_ARCH (arch_ia64) #define nop asm volatile ("hint @pause" ::: "memory"); #define read_barrier() asm volatile ("mf" ::: "memory") #define write_barrier() asm volatile ("mf" ::: "memory") #define ia64_popcnt(x) \ ({ \ unsigned long ia64_intri_res; \ asm ("popcnt %0=%1" : "=r" (ia64_intri_res) : "r" (x)); \ ia64_intri_res; \ }) static inline unsigned long arch_ffz(unsigned long bitmask) { return ia64_popcnt(bitmask & (~bitmask - 1)); } static inline unsigned long long get_cpu_clock(void) { unsigned long long ret; __asm__ __volatile__("mov %0=ar.itc" : "=r" (ret) : : "memory"); return ret; } #define ARCH_HAVE_INIT extern bool tsc_reliable; static inline int arch_init(char *envp[]) { tsc_reliable = true; return 0; } #define ARCH_HAVE_FFZ #define ARCH_HAVE_CPU_CLOCK #endif