mirror of
https://github.com/RPCS3/rpcs3.git
synced 2024-11-17 08:11:51 +00:00
55 lines
1.0 KiB
C++
55 lines
1.0 KiB
C++
#pragma once
|
|
|
|
#include "types.h"
|
|
#include <string>
|
|
|
|
namespace utils
|
|
{
|
|
inline std::array<u32, 4> get_cpuid(u32 func, u32 subfunc)
|
|
{
|
|
int regs[4];
|
|
#ifdef _MSC_VER
|
|
__cpuidex(regs, func, subfunc);
|
|
#else
|
|
__asm__ volatile("cpuid" : "=a" (regs[0]), "=b" (regs[1]), "=c" (regs[2]), "=d" (regs[3]) : "a" (func), "c" (subfunc));
|
|
#endif
|
|
return {0u+regs[0], 0u+regs[1], 0u+regs[2], 0u+regs[3]};
|
|
}
|
|
|
|
inline bool has_ssse3()
|
|
{
|
|
return get_cpuid(0, 0)[0] >= 0x1 && get_cpuid(1, 0)[2] & 0x200;
|
|
}
|
|
|
|
inline bool has_avx()
|
|
{
|
|
return get_cpuid(0, 0)[0] >= 0x1 && get_cpuid(1, 0)[2] & 0x10000000;
|
|
}
|
|
|
|
inline bool has_rtm()
|
|
{
|
|
// Check RTM and MPX extensions in order to filter out TSX on Haswell CPUs
|
|
return get_cpuid(0, 0)[0] >= 0x7 && (get_cpuid(7, 0)[1] & 0x4800) == 0x4800;
|
|
}
|
|
|
|
inline bool transaction_enter()
|
|
{
|
|
while (true)
|
|
{
|
|
const auto status = _xbegin();
|
|
|
|
if (status == _XBEGIN_STARTED)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
if (!(status & _XABORT_RETRY))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
std::string get_system_info();
|
|
}
|