forked from premiere/premiere-libtorrent
64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
/*
|
|
|
|
Copyright (c) 2014, Arvid Norberg
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
|
|
* Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
* Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in
|
|
the documentation and/or other materials provided with the distribution.
|
|
* Neither the name of the author nor the names of its
|
|
contributors may be used to endorse or promote products derived
|
|
from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
*/
|
|
|
|
#ifndef TORRENT_CPUID_HPP_INCLUDED
|
|
#define TORRENT_CPUID_HPP_INCLUDED
|
|
|
|
#include "libtorrent/config.hpp"
|
|
#include <cstring>
|
|
|
|
#if defined _MSC_VER && TORRENT_HAS_SSE
|
|
#include <intrin.h>
|
|
#include <nmmintrin.h>
|
|
#endif
|
|
|
|
namespace libtorrent
|
|
{
|
|
inline void cpuid(unsigned int info[4], int type)
|
|
{
|
|
#if TORRENT_HAS_SSE && defined _MSC_VER
|
|
__cpuid((int*)info, type);
|
|
|
|
#elif TORRENT_HAS_SSE && defined __GNUC__
|
|
asm volatile
|
|
("cpuid" : "=a" (info[0]), "=b" (info[1]), "=c" (info[2]), "=d" (info[3])
|
|
: "a" (type), "c" (0));
|
|
#else
|
|
// for non-x86 and non-amd64, just return zeroes
|
|
std::memset(info, 0, sizeof(info));
|
|
#endif
|
|
}
|
|
}
|
|
|
|
#endif // TORRENT_CPUID_HPP_INCLUDED
|
|
|