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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef BASE_CPU_H_ | 5 #ifndef BASE_CPU_H_ |
6 #define BASE_CPU_H_ | 6 #define BASE_CPU_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/base_export.h" | 10 #include "base/base_export.h" |
11 | 11 |
12 namespace base { | 12 namespace base { |
13 | 13 |
14 // Query information about the processor. | 14 // Query information about the processor. |
15 class BASE_EXPORT CPU { | 15 class BASE_EXPORT CPU { |
16 public: | 16 public: |
17 // Constructor | 17 // Constructor |
18 CPU(); | 18 CPU(); |
19 | 19 |
20 enum IntelMicroArchitecture { | 20 enum IntelMicroArchitecture { |
21 PENTIUM, | 21 PENTIUM, |
22 SSE, | 22 SSE, |
23 SSE2, | 23 SSE2, |
24 SSE3, | 24 SSE3, |
25 SSSE3, | 25 SSSE3, |
26 SSE41, | 26 SSE41, |
27 SSE42, | 27 SSE42, |
28 AVX, | 28 AVX, |
wtc
2013/11/19 23:00:44
Do we need an enum for AES-NI here?
agl
2013/11/20 18:21:07
I don't believe so. AES-NI support is orthogonal t
| |
29 MAX_INTEL_MICRO_ARCHITECTURE | 29 MAX_INTEL_MICRO_ARCHITECTURE |
30 }; | 30 }; |
31 | 31 |
32 // Accessors for CPU information. | 32 // Accessors for CPU information. |
33 const std::string& vendor_name() const { return cpu_vendor_; } | 33 const std::string& vendor_name() const { return cpu_vendor_; } |
34 int signature() const { return signature_; } | 34 int signature() const { return signature_; } |
35 int stepping() const { return stepping_; } | 35 int stepping() const { return stepping_; } |
36 int model() const { return model_; } | 36 int model() const { return model_; } |
37 int family() const { return family_; } | 37 int family() const { return family_; } |
38 int type() const { return type_; } | 38 int type() const { return type_; } |
39 int extended_model() const { return ext_model_; } | 39 int extended_model() const { return ext_model_; } |
40 int extended_family() const { return ext_family_; } | 40 int extended_family() const { return ext_family_; } |
41 bool has_mmx() const { return has_mmx_; } | 41 bool has_mmx() const { return has_mmx_; } |
42 bool has_sse() const { return has_sse_; } | 42 bool has_sse() const { return has_sse_; } |
43 bool has_sse2() const { return has_sse2_; } | 43 bool has_sse2() const { return has_sse2_; } |
44 bool has_sse3() const { return has_sse3_; } | 44 bool has_sse3() const { return has_sse3_; } |
45 bool has_ssse3() const { return has_ssse3_; } | 45 bool has_ssse3() const { return has_ssse3_; } |
46 bool has_sse41() const { return has_sse41_; } | 46 bool has_sse41() const { return has_sse41_; } |
47 bool has_sse42() const { return has_sse42_; } | 47 bool has_sse42() const { return has_sse42_; } |
48 bool has_avx() const { return has_avx_; } | 48 bool has_avx() const { return has_avx_; } |
49 bool has_non_stop_time_stamp_counter() const { | 49 bool has_non_stop_time_stamp_counter() const { |
50 return has_non_stop_time_stamp_counter_; | 50 return has_non_stop_time_stamp_counter_; |
51 } | 51 } |
52 bool has_aesni() const { return has_aesni_; } | |
wtc
2013/11/19 23:00:44
It seems that has_aesni() should follow has_avx()
agl
2013/11/20 18:21:07
Done.
| |
52 IntelMicroArchitecture GetIntelMicroArchitecture() const; | 53 IntelMicroArchitecture GetIntelMicroArchitecture() const; |
53 const std::string& cpu_brand() const { return cpu_brand_; } | 54 const std::string& cpu_brand() const { return cpu_brand_; } |
54 | 55 |
55 private: | 56 private: |
56 // Query the processor for CPUID information. | 57 // Query the processor for CPUID information. |
57 void Initialize(); | 58 void Initialize(); |
58 | 59 |
59 int signature_; // raw form of type, family, model, and stepping | 60 int signature_; // raw form of type, family, model, and stepping |
60 int type_; // process type | 61 int type_; // process type |
61 int family_; // family of the processor | 62 int family_; // family of the processor |
62 int model_; // model of processor | 63 int model_; // model of processor |
63 int stepping_; // processor revision number | 64 int stepping_; // processor revision number |
64 int ext_model_; | 65 int ext_model_; |
65 int ext_family_; | 66 int ext_family_; |
66 bool has_mmx_; | 67 bool has_mmx_; |
67 bool has_sse_; | 68 bool has_sse_; |
68 bool has_sse2_; | 69 bool has_sse2_; |
69 bool has_sse3_; | 70 bool has_sse3_; |
70 bool has_ssse3_; | 71 bool has_ssse3_; |
71 bool has_sse41_; | 72 bool has_sse41_; |
72 bool has_sse42_; | 73 bool has_sse42_; |
73 bool has_avx_; | 74 bool has_avx_; |
74 bool has_non_stop_time_stamp_counter_; | 75 bool has_non_stop_time_stamp_counter_; |
76 bool has_aesni_; | |
75 std::string cpu_vendor_; | 77 std::string cpu_vendor_; |
76 std::string cpu_brand_; | 78 std::string cpu_brand_; |
77 }; | 79 }; |
78 | 80 |
79 } // namespace base | 81 } // namespace base |
80 | 82 |
81 #endif // BASE_CPU_H_ | 83 #endif // BASE_CPU_H_ |
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