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/*
* CPUID
*
* A simple and small tool to dump/decode CPUID information.
*
* Copyright (c) 2010-2018, Steven Noonan <steven@uplinklabs.net>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#ifndef __clock_h
#define __clock_h
#ifdef _MSC_VER
#include <intrin.h>
#endif
static inline uint64_t get_cpu_clock(void)
{
#ifdef _MSC_VER
return __rdtsc();
#else
uint32_t lo, hi;
__asm__ __volatile__("rdtsc" : "=a" (lo), "=d" (hi));
return ((uint64_t) hi << 32ULL) | lo;
#endif
}
uint64_t cpu_clock_to_wall(uint64_t clock);
void init_cpu_clock(void);
#endif
/* vim: set ts=4 sts=4 sw=4 noet: */
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