51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
/*
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* Copyright (c) 2017, Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "runtime/utilities/cpu_info.h"
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#include <cpuid.h>
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namespace OCLRT {
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void cpuidex_linux_wrapper(int *cpuInfo, int functionId, int subfunctionId) {
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__cpuid_count(functionId, subfunctionId, cpuInfo[0], cpuInfo[1], cpuInfo[2], cpuInfo[3]);
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}
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void (*CpuInfo::cpuidexFunc)(int *, int, int) = cpuidex_linux_wrapper;
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const CpuInfo CpuInfo::instance;
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void CpuInfo::cpuid(
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uint32_t cpuInfo[4],
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uint32_t functionId) const {
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__cpuid_count(functionId, 0, cpuInfo[0], cpuInfo[1], cpuInfo[2], cpuInfo[3]);
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}
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void CpuInfo::cpuidex(
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uint32_t cpuInfo[4],
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uint32_t functionId,
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uint32_t subfunctionId) const {
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cpuidexFunc(reinterpret_cast<int *>(cpuInfo), functionId, subfunctionId);
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}
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} // namespace OCLRT
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