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63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
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// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/globals.h"
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#if defined(TARGET_OS_WINDOWS)
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#include "vm/cpuinfo.h"
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#include "vm/cpuid.h"
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// __cpuid()
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#include <intrin.h> // NOLINT
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#include <string.h> // NOLINT
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#include "platform/assert.h"
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namespace dart {
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CpuInfoMethod CpuInfo::method_ = kCpuInfoDefault;
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const char* CpuInfo::fields_[kCpuInfoMax] = {0};
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void CpuInfo::InitOnce() {
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method_ = kCpuInfoCpuId;
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// Initialize the CpuId information.
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CpuId::InitOnce();
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fields_[kCpuInfoProcessor] = "Processor";
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fields_[kCpuInfoModel] = "Hardware";
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fields_[kCpuInfoHardware] = "Hardware";
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fields_[kCpuInfoFeatures] = "Features";
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}
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void CpuInfo::Cleanup() {
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CpuId::Cleanup();
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}
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bool CpuInfo::FieldContains(CpuInfoIndices idx, const char* search_string) {
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ASSERT(method_ != kCpuInfoDefault);
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return strstr(CpuId::field(idx), search_string);
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}
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const char* CpuInfo::ExtractField(CpuInfoIndices idx) {
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ASSERT(method_ != kCpuInfoDefault);
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return CpuId::field(idx);
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}
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bool CpuInfo::HasField(const char* field) {
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ASSERT(method_ != kCpuInfoDefault);
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return (strcmp(field, fields_[kCpuInfoProcessor]) == 0) ||
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(strcmp(field, fields_[kCpuInfoModel]) == 0) ||
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(strcmp(field, fields_[kCpuInfoHardware]) == 0) ||
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(strcmp(field, fields_[kCpuInfoFeatures]) == 0);
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}
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} // namespace dart
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#endif // defined(TARGET_OS_WINDOWS)
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