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// Copyright Naoki Shibata and contributors 2010 - 2021.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <assert.h>
#include "misc.h"
#if defined(__MINGW32__) || defined(__MINGW64__) || defined(_MSC_VER)
#include <sys/timeb.h>
EXPORT void *Sleef_malloc(size_t z) { return _aligned_malloc(z, 256); }
EXPORT void Sleef_free(void *ptr) { _aligned_free(ptr); }
EXPORT uint64_t Sleef_currentTimeMicros() {
struct __timeb64 t;
_ftime64(&t);
return t.time * INT64_C(1000000) + t.millitm*1000;
}
#elif defined(__APPLE__)
#include <sys/time.h>
EXPORT void *Sleef_malloc(size_t z) { void *ptr = NULL; posix_memalign(&ptr, 256, z); return ptr; }
EXPORT void Sleef_free(void *ptr) { free(ptr); }
EXPORT uint64_t Sleef_currentTimeMicros() {
struct timeval time;
gettimeofday(&time, NULL);
return (uint64_t)((time.tv_sec * INT64_C(1000000)) + time.tv_usec);
}
#else // #if defined(__MINGW32__) || defined(__MINGW64__) || defined(_MSC_VER)
#include <time.h>
#include <unistd.h>
#if defined(__FreeBSD__) || defined(__OpenBSD__)
#include <stdlib.h>
#else
#include <malloc.h>
#endif
EXPORT void *Sleef_malloc(size_t z) { void *ptr = NULL; posix_memalign(&ptr, 4096, z); return ptr; }
EXPORT void Sleef_free(void *ptr) { free(ptr); }
EXPORT uint64_t Sleef_currentTimeMicros() {
struct timespec tp;
clock_gettime(CLOCK_MONOTONIC, &tp);
return (uint64_t)tp.tv_sec * INT64_C(1000000) + ((uint64_t)tp.tv_nsec/1000);
}
#endif // #if defined(__MINGW32__) || defined(__MINGW64__) || defined(_MSC_VER)
#ifdef _MSC_VER
#include <intrin.h>
EXPORT void Sleef_x86CpuID(int32_t out[4], uint32_t eax, uint32_t ecx) {
__cpuidex(out, eax, ecx);
}
#else
#if defined(__x86_64__) || defined(__i386__)
EXPORT void Sleef_x86CpuID(int32_t out[4], uint32_t eax, uint32_t ecx) {
uint32_t a, b, c, d;
__asm__ __volatile__ ("cpuid" : "=a" (a), "=b" (b), "=c" (c), "=d" (d) : "a" (eax), "c"(ecx));
out[0] = a; out[1] = b; out[2] = c; out[3] = d;
}
#endif
#endif
#if defined(__i386__) || defined(__x86_64__) || defined(_MSC_VER)
static char x86BrandString[256];
EXPORT char *Sleef_getCpuIdString() {
union {
int32_t info[4];
uint8_t str[16];
} u;
int i,j;
char *p;
p = x86BrandString;
for(i=0;i<3;i++) {
Sleef_x86CpuID(u.info, i + 0x80000002, 0);
for(j=0;j<16;j++) {
*p++ = u.str[j];
}
}
*p++ = '\n';
return x86BrandString;
}
#else
EXPORT char *Sleef_getCpuIdString() {
return "Unknown architecture";
}
#endif
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