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/*
* Dkmem.c
*
* $Id$
*
* This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
* project.
*
* Copyright (C) 1998-2018 OpenLink Software
*
* This project is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; only version 2 of the License, dated June 1991.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "Dk.h"
#include "Dk/Dksystem.h"
#include "Dksimd.h"
void
memzero (void* ptr, int len)
{
memset (ptr, 0, len);
}
void
memset_16 (void* ptr, unsigned char fill, int len)
{
memset (ptr, fill, len);
}
void
int_fill (int * ptr, int n, int len)
{
unsigned int inx = 0;
for (inx = inx; inx < len; inx++)
ptr[inx] = n;
}
void
int64_fill (int64 * ptr, int64 n, int len)
{
unsigned int inx = 0;
for (inx = inx; inx < len; inx++)
ptr[inx] = n;
}
void
int64_fill_nt (int64 * ptr, int64 n, int len)
{
unsigned int inx = 0;
for (inx = inx; inx < len; inx++)
ptr[inx] = n;
}
void
int_asc_fill (int * ptr, int len, int start)
{
unsigned int inx;
for (inx = 0; inx < len; inx++)
ptr[inx] = inx + start;
}
#define cpy(dtp) \
{*(dtp*)target = *(dtp*)source; target += sizeof (dtp); source += sizeof (dtp);}
#define D_cpy(dtp) \
{ target -= sizeof (dtp); source -= sizeof (dtp); *(dtp*)target = *(dtp*)source;}
void
memcpy_16 (void * t, const void * s, size_t len)
{
memcpy (t, s, len);
}
void
memcpy_16_nt (void * t, const void * s, size_t len)
{
memcpy (t, s, len);
}
void
memmove_16 (void * t, const void * s, size_t len)
{
memmove (t, s, len);
}
uint64
rdtsc()
{
#if defined(HAVE_GETHRTIME) || defined(SOLARIS)
return (uint64) gethrtime ();
#elif defined (WIN32)
return __rdtsc ();
#elif defined (__GNUC__) && defined (__x86_64__)
uint32 lo, hi;
/* Serialize */
__asm__ __volatile__ ("xorl %%eax,%%eax\n\tcpuid":::"%rax", "%rbx", "%rcx", "%rdx");
/* We cannot use "=A", since this would use %rax on x86_64 and return only the lower 32bits of the TSC */
__asm__ __volatile__ ("rdtsc":"=a" (lo), "=d" (hi));
return (uint64) hi << 32 | lo;
#elif defined (__GNUC__) && defined (__i386__)
uint64 result;
__asm__ __volatile__ ("rdtsc":"=A" (result));
return result;
#elif defined(__GNUC__) && defined(__ia64__)
uint64 result;
__asm__ __volatile__ ("mov %0=ar.itc":"=r" (result));
return result;
#elif defined(__GNUC__) && (defined(__powerpc__) || defined(__POWERPC__)) && (defined(__64BIT__) || defined(_ARCH_PPC64))
uint64 result;
__asm__ __volatile__ ("mftb %0":"=r" (result));
return result;
#elif defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_REALTIME)
struct timespec t;
clock_gettime(CLOCK_REALTIME, &t);
return (uint64) t.tv_sec * 1000000000 + (uint64) t.tv_nsec;
#else
return 0;
#endif
}
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