1// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
2// for details. All rights reserved. Use of this source code is governed by a
3// BSD-style license that can be found in the LICENSE file.
4
5#include "vm/globals.h"
6#if defined(HOST_OS_WINDOWS)
7
8#include "vm/cpuid.h"
9#include "vm/cpuinfo.h"
10
11// __cpuid()
12#include <intrin.h> // NOLINT
13#include <string.h> // NOLINT
14
15#include "platform/assert.h"
16
17namespace dart {
18
19CpuInfoMethod CpuInfo::method_ = kCpuInfoDefault;
20const char* CpuInfo::fields_[kCpuInfoMax] = {0};
21
22void CpuInfo::Init() {
23 method_ = kCpuInfoCpuId;
24
25 // Initialize the CpuId information.
26 CpuId::Init();
27
28 fields_[kCpuInfoProcessor] = "Processor";
29 fields_[kCpuInfoModel] = "Hardware";
30 fields_[kCpuInfoHardware] = "Hardware";
31 fields_[kCpuInfoFeatures] = "Features";
32 fields_[kCpuInfoArchitecture] = NULL;
33}
34
35void CpuInfo::Cleanup() {
36 CpuId::Cleanup();
37}
38
39bool CpuInfo::FieldContains(CpuInfoIndices idx, const char* search_string) {
40 ASSERT(method_ != kCpuInfoDefault);
41 return strstr(CpuId::field(idx), search_string);
42}
43
44const char* CpuInfo::ExtractField(CpuInfoIndices idx) {
45 ASSERT(method_ != kCpuInfoDefault);
46 return CpuId::field(idx);
47}
48
49bool CpuInfo::HasField(const char* field) {
50 ASSERT(method_ != kCpuInfoDefault);
51 return (strcmp(field, fields_[kCpuInfoProcessor]) == 0) ||
52 (strcmp(field, fields_[kCpuInfoModel]) == 0) ||
53 (strcmp(field, fields_[kCpuInfoHardware]) == 0) ||
54 (strcmp(field, fields_[kCpuInfoFeatures]) == 0);
55}
56
57} // namespace dart
58
59#endif // defined(HOST_OS_WINDOWS)
60