X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=arch%2Farch-x86_64.h;h=29e681f2f8533926451e731460b69a499fc0aa53;hp=216e74e2e32a409d1d7bbee30aa38f771cafdb40;hb=a73468166ef0a85d489dcdc291229a3d9ad9cfc1;hpb=44c47feb9edc7854bf3cfa2e3d843e90fc969b3a diff --git a/arch/arch-x86_64.h b/arch/arch-x86_64.h index 216e74e2..29e681f2 100644 --- a/arch/arch-x86_64.h +++ b/arch/arch-x86_64.h @@ -1,7 +1,7 @@ #ifndef ARCH_X86_64_h #define ARCH_X86_64_h -#define ARCH (arch_x86_64) +#define FIO_ARCH (arch_x86_64) #ifndef __NR_ioprio_set #define __NR_ioprio_set 251 @@ -33,11 +33,22 @@ #define read_barrier() __asm__ __volatile__("lfence":::"memory") #define write_barrier() __asm__ __volatile__("sfence":::"memory") -static inline unsigned int arch_ffz(unsigned int bitmask) +static inline unsigned long arch_ffz(unsigned long bitmask) { - __asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask)); + __asm__("bsf %1,%0" :"=r" (bitmask) :"r" (~bitmask)); return bitmask; } + +static inline unsigned long long get_cpu_clock(void) +{ + unsigned int lo, hi; + + __asm__ __volatile__("rdtsc" : "=a" (lo), "=d" (hi)); + return ((unsigned long long) hi << 32ULL) | lo; +} + #define ARCH_HAVE_FFZ +#define ARCH_HAVE_SSE4_2 +#define ARCH_HAVE_CPU_CLOCK #endif