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
3 // found in the LICENSE file.
5 // This module contains the architecture-specific code. This make the rest of
6 // the code less dependent on differences between different processor
8 // The classes have the same definition for all architectures. The
9 // implementation for a particular architecture is put in cpu_<arch>.cc.
10 // The build system then uses the implementation for the target architecture.
13 #ifndef V8_BASE_CPU_H_
14 #define V8_BASE_CPU_H_
16 #include "src/base/macros.h"
21 // ----------------------------------------------------------------------------
24 // Query information about the processor.
26 // This class also has static methods for the architecture specific functions.
27 // Add methods here to cope with differences between the supported
28 // architectures. For each architecture the file cpu_<arch>.cc contains the
29 // implementation of these static functions.
35 // x86 CPUID information
36 const char* vendor() const { return vendor_; }
37 int stepping() const { return stepping_; }
38 int model() const { return model_; }
39 int ext_model() const { return ext_model_; }
40 int family() const { return family_; }
41 int ext_family() const { return ext_family_; }
42 int type() const { return type_; }
44 // arm implementer/part information
45 int implementer() const { return implementer_; }
46 static const int ARM = 0x41;
47 static const int NVIDIA = 0x4e;
48 static const int QUALCOMM = 0x51;
49 int architecture() const { return architecture_; }
50 int variant() const { return variant_; }
51 static const int NVIDIA_DENVER = 0x0;
52 int part() const { return part_; }
54 // ARM-specific part codes
55 static const int ARM_CORTEX_A5 = 0xc05;
56 static const int ARM_CORTEX_A7 = 0xc07;
57 static const int ARM_CORTEX_A8 = 0xc08;
58 static const int ARM_CORTEX_A9 = 0xc09;
59 static const int ARM_CORTEX_A12 = 0xc0c;
60 static const int ARM_CORTEX_A15 = 0xc0f;
62 // Denver-specific part code
63 static const int NVIDIA_DENVER_V10 = 0x002;
65 // PPC-specific part codes
77 bool has_fpu() const { return has_fpu_; }
80 bool has_cmov() const { return has_cmov_; }
81 bool has_sahf() const { return has_sahf_; }
82 bool has_mmx() const { return has_mmx_; }
83 bool has_sse() const { return has_sse_; }
84 bool has_sse2() const { return has_sse2_; }
85 bool has_sse3() const { return has_sse3_; }
86 bool has_ssse3() const { return has_ssse3_; }
87 bool has_sse41() const { return has_sse41_; }
88 bool has_sse42() const { return has_sse42_; }
89 bool has_osxsave() const { return has_osxsave_; }
90 bool has_avx() const { return has_avx_; }
91 bool has_fma3() const { return has_fma3_; }
92 bool has_bmi1() const { return has_bmi1_; }
93 bool has_bmi2() const { return has_bmi2_; }
94 bool has_lzcnt() const { return has_lzcnt_; }
95 bool has_popcnt() const { return has_popcnt_; }
96 bool is_atom() const { return is_atom_; }
99 bool has_idiva() const { return has_idiva_; }
100 bool has_neon() const { return has_neon_; }
101 bool has_thumb2() const { return has_thumb2_; }
102 bool has_vfp() const { return has_vfp_; }
103 bool has_vfp3() const { return has_vfp3_; }
104 bool has_vfp3_d32() const { return has_vfp3_d32_; }
107 bool is_fp64_mode() const { return is_fp64_mode_; }
148 } } // namespace v8::base
150 #endif // V8_BASE_CPU_H_