1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/security/sandbox/chromium/base/cpu.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,81 @@
1.4 +// Copyright (c) 2012 The Chromium Authors. All rights reserved.
1.5 +// Use of this source code is governed by a BSD-style license that can be
1.6 +// found in the LICENSE file.
1.7 +
1.8 +#ifndef BASE_CPU_H_
1.9 +#define BASE_CPU_H_
1.10 +
1.11 +#include <string>
1.12 +
1.13 +#include "base/base_export.h"
1.14 +
1.15 +namespace base {
1.16 +
1.17 +// Query information about the processor.
1.18 +class BASE_EXPORT CPU {
1.19 + public:
1.20 + // Constructor
1.21 + CPU();
1.22 +
1.23 + enum IntelMicroArchitecture {
1.24 + PENTIUM,
1.25 + SSE,
1.26 + SSE2,
1.27 + SSE3,
1.28 + SSSE3,
1.29 + SSE41,
1.30 + SSE42,
1.31 + AVX,
1.32 + MAX_INTEL_MICRO_ARCHITECTURE
1.33 + };
1.34 +
1.35 + // Accessors for CPU information.
1.36 + const std::string& vendor_name() const { return cpu_vendor_; }
1.37 + int signature() const { return signature_; }
1.38 + int stepping() const { return stepping_; }
1.39 + int model() const { return model_; }
1.40 + int family() const { return family_; }
1.41 + int type() const { return type_; }
1.42 + int extended_model() const { return ext_model_; }
1.43 + int extended_family() const { return ext_family_; }
1.44 + bool has_mmx() const { return has_mmx_; }
1.45 + bool has_sse() const { return has_sse_; }
1.46 + bool has_sse2() const { return has_sse2_; }
1.47 + bool has_sse3() const { return has_sse3_; }
1.48 + bool has_ssse3() const { return has_ssse3_; }
1.49 + bool has_sse41() const { return has_sse41_; }
1.50 + bool has_sse42() const { return has_sse42_; }
1.51 + bool has_avx() const { return has_avx_; }
1.52 + bool has_non_stop_time_stamp_counter() const {
1.53 + return has_non_stop_time_stamp_counter_;
1.54 + }
1.55 + IntelMicroArchitecture GetIntelMicroArchitecture() const;
1.56 + const std::string& cpu_brand() const { return cpu_brand_; }
1.57 +
1.58 + private:
1.59 + // Query the processor for CPUID information.
1.60 + void Initialize();
1.61 +
1.62 + int signature_; // raw form of type, family, model, and stepping
1.63 + int type_; // process type
1.64 + int family_; // family of the processor
1.65 + int model_; // model of processor
1.66 + int stepping_; // processor revision number
1.67 + int ext_model_;
1.68 + int ext_family_;
1.69 + bool has_mmx_;
1.70 + bool has_sse_;
1.71 + bool has_sse2_;
1.72 + bool has_sse3_;
1.73 + bool has_ssse3_;
1.74 + bool has_sse41_;
1.75 + bool has_sse42_;
1.76 + bool has_avx_;
1.77 + bool has_non_stop_time_stamp_counter_;
1.78 + std::string cpu_vendor_;
1.79 + std::string cpu_brand_;
1.80 +};
1.81 +
1.82 +} // namespace base
1.83 +
1.84 +#endif // BASE_CPU_H_
