63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
#ifndef ARCH_X86_64_h
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#define ARCH_X86_64_h
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static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
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unsigned int *ecx, unsigned int *edx)
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{
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asm volatile("cpuid"
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: "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx)
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: "0" (*eax), "2" (*ecx)
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: "memory");
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}
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#include "arch-x86-common.h"
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#define FIO_ARCH (arch_x86_64)
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#ifndef __NR_ioprio_set
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#define __NR_ioprio_set 251
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#define __NR_ioprio_get 252
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#endif
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#ifndef __NR_fadvise64
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#define __NR_fadvise64 221
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#endif
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#ifndef __NR_sys_splice
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#define __NR_sys_splice 275
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#define __NR_sys_tee 276
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#define __NR_sys_vmsplice 278
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#endif
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#ifndef __NR_shmget
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#define __NR_shmget 29
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#define __NR_shmat 30
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#define __NR_shmctl 31
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#define __NR_shmdt 67
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#endif
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#define FIO_HUGE_PAGE 2097152
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#define nop __asm__ __volatile__("rep;nop": : :"memory")
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#define read_barrier() __asm__ __volatile__("lfence":::"memory")
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#define write_barrier() __asm__ __volatile__("sfence":::"memory")
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static inline unsigned long arch_ffz(unsigned long bitmask)
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{
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__asm__("bsf %1,%0" :"=r" (bitmask) :"r" (~bitmask));
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return bitmask;
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}
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static inline unsigned long long get_cpu_clock(void)
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{
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unsigned int lo, hi;
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__asm__ __volatile__("rdtsc" : "=a" (lo), "=d" (hi));
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return ((unsigned long long) hi << 32ULL) | lo;
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}
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#define ARCH_HAVE_FFZ
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#define ARCH_HAVE_SSE4_2
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#define ARCH_HAVE_CPU_CLOCK
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#endif
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