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1 // Copyright 2006-2013 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2013 the V8 project 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 // This module contains the architecture-specific code. This make the rest of | 5 // This module contains the architecture-specific code. This make the rest of |
6 // the code less dependent on differences between different processor | 6 // the code less dependent on differences between different processor |
7 // architecture. | 7 // architecture. |
8 // The classes have the same definition for all architectures. The | 8 // The classes have the same definition for all architectures. The |
9 // implementation for a particular architecture is put in cpu_<arch>.cc. | 9 // implementation for a particular architecture is put in cpu_<arch>.cc. |
10 // The build system then uses the implementation for the target architecture. | 10 // The build system then uses the implementation for the target architecture. |
11 // | 11 // |
12 | 12 |
13 #ifndef V8_BASE_CPU_H_ | 13 #ifndef V8_BASE_CPU_H_ |
14 #define V8_BASE_CPU_H_ | 14 #define V8_BASE_CPU_H_ |
15 | 15 |
| 16 #include "src/base/base-export.h" |
16 #include "src/base/macros.h" | 17 #include "src/base/macros.h" |
17 | 18 |
18 namespace v8 { | 19 namespace v8 { |
19 namespace base { | 20 namespace base { |
20 | 21 |
21 // ---------------------------------------------------------------------------- | 22 // ---------------------------------------------------------------------------- |
22 // CPU | 23 // CPU |
23 // | 24 // |
24 // Query information about the processor. | 25 // Query information about the processor. |
25 // | 26 // |
26 // This class also has static methods for the architecture specific functions. | 27 // This class also has static methods for the architecture specific functions. |
27 // Add methods here to cope with differences between the supported | 28 // Add methods here to cope with differences between the supported |
28 // architectures. For each architecture the file cpu_<arch>.cc contains the | 29 // architectures. For each architecture the file cpu_<arch>.cc contains the |
29 // implementation of these static functions. | 30 // implementation of these static functions. |
30 | 31 |
31 class CPU final { | 32 class V8_BASE_EXPORT CPU final { |
32 public: | 33 public: |
33 CPU(); | 34 CPU(); |
34 | 35 |
35 // x86 CPUID information | 36 // x86 CPUID information |
36 const char* vendor() const { return vendor_; } | 37 const char* vendor() const { return vendor_; } |
37 int stepping() const { return stepping_; } | 38 int stepping() const { return stepping_; } |
38 int model() const { return model_; } | 39 int model() const { return model_; } |
39 int ext_model() const { return ext_model_; } | 40 int ext_model() const { return ext_model_; } |
40 int family() const { return family_; } | 41 int family() const { return family_; } |
41 int ext_family() const { return ext_family_; } | 42 int ext_family() const { return ext_family_; } |
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151 bool has_vfp3_; | 152 bool has_vfp3_; |
152 bool has_vfp3_d32_; | 153 bool has_vfp3_d32_; |
153 bool is_fp64_mode_; | 154 bool is_fp64_mode_; |
154 bool has_non_stop_time_stamp_counter_; | 155 bool has_non_stop_time_stamp_counter_; |
155 }; | 156 }; |
156 | 157 |
157 } // namespace base | 158 } // namespace base |
158 } // namespace v8 | 159 } // namespace v8 |
159 | 160 |
160 #endif // V8_BASE_CPU_H_ | 161 #endif // V8_BASE_CPU_H_ |
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