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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. |
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| 70 bool has_sse42() const { return has_sse42_; } | 70 bool has_sse42() const { return has_sse42_; } |
| 71 | 71 |
| 72 // arm features | 72 // arm features |
| 73 bool has_idiva() const { return has_idiva_; } | 73 bool has_idiva() const { return has_idiva_; } |
| 74 bool has_neon() const { return has_neon_; } | 74 bool has_neon() const { return has_neon_; } |
| 75 bool has_thumbee() const { return has_thumbee_; } | 75 bool has_thumbee() const { return has_thumbee_; } |
| 76 bool has_vfp() const { return has_vfp_; } | 76 bool has_vfp() const { return has_vfp_; } |
| 77 bool has_vfp3() const { return has_vfp3_; } | 77 bool has_vfp3() const { return has_vfp3_; } |
| 78 bool has_vfp3_d32() const { return has_vfp3_d32_; } | 78 bool has_vfp3_d32() const { return has_vfp3_d32_; } |
| 79 | 79 |
| 80 // Returns the number of processors online. | |
| 81 static int NumberOfProcessorsOnline(); | |
| 82 | |
| 83 // Flush instruction cache. | 80 // Flush instruction cache. |
| 84 static void FlushICache(void* start, size_t size); | 81 static void FlushICache(void* start, size_t size); |
| 85 | 82 |
| 86 private: | 83 private: |
| 87 char vendor_[13]; | 84 char vendor_[13]; |
| 88 int stepping_; | 85 int stepping_; |
| 89 int model_; | 86 int model_; |
| 90 int ext_model_; | 87 int ext_model_; |
| 91 int family_; | 88 int family_; |
| 92 int ext_family_; | 89 int ext_family_; |
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| 108 bool has_neon_; | 105 bool has_neon_; |
| 109 bool has_thumbee_; | 106 bool has_thumbee_; |
| 110 bool has_vfp_; | 107 bool has_vfp_; |
| 111 bool has_vfp3_; | 108 bool has_vfp3_; |
| 112 bool has_vfp3_d32_; | 109 bool has_vfp3_d32_; |
| 113 }; | 110 }; |
| 114 | 111 |
| 115 } } // namespace v8::internal | 112 } } // namespace v8::internal |
| 116 | 113 |
| 117 #endif // V8_CPU_H_ | 114 #endif // V8_CPU_H_ |
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Chromium Code Reviews
Issue 300713002:
Move NumberOfProcessorsOnline from CPU to OS (Closed)
Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge