dalecurtis@chromium.org | aa3c6d3 | 2012-06-12 17:29:32 +0900 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
maruel@google.com | 8178de2 | 2008-09-26 07:08:44 +0900 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef BASE_CPU_H_ |
| 6 | #define BASE_CPU_H_ |
| 7 | |
| 8 | #include <string> |
| 9 | |
darin@chromium.org | e585bed | 2011-08-06 00:34:00 +0900 | [diff] [blame] | 10 | #include "base/base_export.h" |
rvargas@google.com | 4891e7d | 2011-03-26 03:46:38 +0900 | [diff] [blame] | 11 | |
maruel@google.com | 8178de2 | 2008-09-26 07:08:44 +0900 | [diff] [blame] | 12 | namespace base { |
| 13 | |
| 14 | // Query information about the processor. |
Thiago Farina | fbe7630 | 2017-06-17 09:18:49 +0900 | [diff] [blame] | 15 | class BASE_EXPORT CPU final { |
maruel@google.com | 8178de2 | 2008-09-26 07:08:44 +0900 | [diff] [blame] | 16 | public: |
maruel@google.com | 8178de2 | 2008-09-26 07:08:44 +0900 | [diff] [blame] | 17 | CPU(); |
| 18 | |
whunt@chromium.org | a5dbde4 | 2013-02-02 10:10:02 +0900 | [diff] [blame] | 19 | enum IntelMicroArchitecture { |
| 20 | PENTIUM, |
| 21 | SSE, |
| 22 | SSE2, |
| 23 | SSE3, |
| 24 | SSSE3, |
| 25 | SSE41, |
| 26 | SSE42, |
| 27 | AVX, |
fbarchard | ddd653b | 2015-10-02 12:23:19 +0900 | [diff] [blame] | 28 | AVX2, |
whunt@chromium.org | a5dbde4 | 2013-02-02 10:10:02 +0900 | [diff] [blame] | 29 | MAX_INTEL_MICRO_ARCHITECTURE |
| 30 | }; |
| 31 | |
maruel@google.com | 8178de2 | 2008-09-26 07:08:44 +0900 | [diff] [blame] | 32 | // Accessors for CPU information. |
| 33 | const std::string& vendor_name() const { return cpu_vendor_; } |
simonjam@chromium.org | 7bf2f7b | 2013-07-18 20:13:28 +0900 | [diff] [blame] | 34 | int signature() const { return signature_; } |
maruel@google.com | 8178de2 | 2008-09-26 07:08:44 +0900 | [diff] [blame] | 35 | int stepping() const { return stepping_; } |
| 36 | int model() const { return model_; } |
| 37 | int family() const { return family_; } |
| 38 | int type() const { return type_; } |
| 39 | int extended_model() const { return ext_model_; } |
| 40 | int extended_family() const { return ext_family_; } |
dalecurtis@chromium.org | aa3c6d3 | 2012-06-12 17:29:32 +0900 | [diff] [blame] | 41 | bool has_mmx() const { return has_mmx_; } |
| 42 | bool has_sse() const { return has_sse_; } |
| 43 | bool has_sse2() const { return has_sse2_; } |
| 44 | bool has_sse3() const { return has_sse3_; } |
| 45 | bool has_ssse3() const { return has_ssse3_; } |
| 46 | bool has_sse41() const { return has_sse41_; } |
| 47 | bool has_sse42() const { return has_sse42_; } |
ilevy | 21e0c0d | 2016-10-31 05:46:57 +0900 | [diff] [blame] | 48 | bool has_popcnt() const { return has_popcnt_; } |
whunt@chromium.org | a5dbde4 | 2013-02-02 10:10:02 +0900 | [diff] [blame] | 49 | bool has_avx() const { return has_avx_; } |
fbarchard | ddd653b | 2015-10-02 12:23:19 +0900 | [diff] [blame] | 50 | bool has_avx2() const { return has_avx2_; } |
agl@chromium.org | abda851 | 2013-12-03 01:15:03 +0900 | [diff] [blame] | 51 | bool has_aesni() const { return has_aesni_; } |
simonjam@chromium.org | e50c7cb | 2013-05-01 04:46:05 +0900 | [diff] [blame] | 52 | bool has_non_stop_time_stamp_counter() const { |
| 53 | return has_non_stop_time_stamp_counter_; |
| 54 | } |
agl@chromium.org | 41be079 | 2014-08-08 17:45:24 +0900 | [diff] [blame] | 55 | |
whunt@chromium.org | a5dbde4 | 2013-02-02 10:10:02 +0900 | [diff] [blame] | 56 | IntelMicroArchitecture GetIntelMicroArchitecture() const; |
chunyang.dai@intel.com | 94d8f28 | 2012-10-05 06:05:23 +0900 | [diff] [blame] | 57 | const std::string& cpu_brand() const { return cpu_brand_; } |
maruel@google.com | 8178de2 | 2008-09-26 07:08:44 +0900 | [diff] [blame] | 58 | |
| 59 | private: |
| 60 | // Query the processor for CPUID information. |
| 61 | void Initialize(); |
| 62 | |
simonjam@chromium.org | 7bf2f7b | 2013-07-18 20:13:28 +0900 | [diff] [blame] | 63 | int signature_; // raw form of type, family, model, and stepping |
maruel@google.com | 8178de2 | 2008-09-26 07:08:44 +0900 | [diff] [blame] | 64 | int type_; // process type |
| 65 | int family_; // family of the processor |
| 66 | int model_; // model of processor |
| 67 | int stepping_; // processor revision number |
| 68 | int ext_model_; |
| 69 | int ext_family_; |
jiesun@chromium.org | c842040 | 2011-02-17 03:51:58 +0900 | [diff] [blame] | 70 | bool has_mmx_; |
| 71 | bool has_sse_; |
| 72 | bool has_sse2_; |
| 73 | bool has_sse3_; |
| 74 | bool has_ssse3_; |
| 75 | bool has_sse41_; |
| 76 | bool has_sse42_; |
ilevy | 21e0c0d | 2016-10-31 05:46:57 +0900 | [diff] [blame] | 77 | bool has_popcnt_; |
whunt@chromium.org | a5dbde4 | 2013-02-02 10:10:02 +0900 | [diff] [blame] | 78 | bool has_avx_; |
fbarchard | ddd653b | 2015-10-02 12:23:19 +0900 | [diff] [blame] | 79 | bool has_avx2_; |
agl@chromium.org | abda851 | 2013-12-03 01:15:03 +0900 | [diff] [blame] | 80 | bool has_aesni_; |
simonjam@chromium.org | e50c7cb | 2013-05-01 04:46:05 +0900 | [diff] [blame] | 81 | bool has_non_stop_time_stamp_counter_; |
maruel@google.com | 8178de2 | 2008-09-26 07:08:44 +0900 | [diff] [blame] | 82 | std::string cpu_vendor_; |
chunyang.dai@intel.com | 94d8f28 | 2012-10-05 06:05:23 +0900 | [diff] [blame] | 83 | std::string cpu_brand_; |
maruel@google.com | 8178de2 | 2008-09-26 07:08:44 +0900 | [diff] [blame] | 84 | }; |
| 85 | |
| 86 | } // namespace base |
| 87 | |
| 88 | #endif // BASE_CPU_H_ |