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69 lines
1.0 KiB
C++
69 lines
1.0 KiB
C++
#pragma once
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#include "types.h"
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#include <string>
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namespace utils
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{
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inline std::array<u32, 4> get_cpuid(u32 func, u32 subfunc)
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{
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int regs[4];
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#ifdef _MSC_VER
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__cpuidex(regs, func, subfunc);
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#else
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__asm__ volatile("cpuid" : "=a" (regs[0]), "=b" (regs[1]), "=c" (regs[2]), "=d" (regs[3]) : "a" (func), "c" (subfunc));
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#endif
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return {0u+regs[0], 0u+regs[1], 0u+regs[2], 0u+regs[3]};
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}
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inline u64 get_xgetbv(u32 xcr)
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{
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#ifdef _MSC_VER
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return _xgetbv(xcr);
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#else
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u32 eax, edx;
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__asm__ volatile( "xgetbv" : "=a"(eax), "=d"(edx) : "c"(xcr));
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return eax | (u64(edx) << 32);
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#endif
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}
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bool has_ssse3();
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bool has_sse41();
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bool has_avx();
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bool has_avx2();
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bool has_rtm();
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bool has_512();
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bool has_xop();
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FORCE_INLINE bool transaction_enter(uint* out = nullptr)
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{
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while (true)
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{
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const uint status = _xbegin();
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if (status == _XBEGIN_STARTED)
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{
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return true;
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}
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if (!(status & _XABORT_RETRY))
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{
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if (out)
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{
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*out = status;
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}
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return false;
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}
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}
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}
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std::string get_system_info();
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}
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