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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 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 #ifndef V8_ARM64_CPU_ARM64_H_ | 5 #ifndef V8_ARM64_CPU_ARM64_H_ |
6 #define V8_ARM64_CPU_ARM64_H_ | 6 #define V8_ARM64_CPU_ARM64_H_ |
7 | 7 |
8 #include <stdio.h> | 8 #include <stdio.h> |
9 #include "serialize.h" | 9 #include "serialize.h" |
10 #include "cpu.h" | 10 #include "cpu.h" |
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27 // There are no optional features for ARM64. | 27 // There are no optional features for ARM64. |
28 return false; | 28 return false; |
29 }; | 29 }; |
30 | 30 |
31 static bool IsFoundByRuntimeProbingOnly(CpuFeature f) { | 31 static bool IsFoundByRuntimeProbingOnly(CpuFeature f) { |
32 ASSERT(initialized_); | 32 ASSERT(initialized_); |
33 // There are no optional features for ARM64. | 33 // There are no optional features for ARM64. |
34 return false; | 34 return false; |
35 } | 35 } |
36 | 36 |
37 static bool IsSafeForSnapshot(CpuFeature f) { | 37 static bool IsSafeForSnapshot(Isolate* isolate, CpuFeature f) { |
38 return (IsSupported(f) && | 38 return (IsSupported(f) && |
39 (!Serializer::enabled() || !IsFoundByRuntimeProbingOnly(f))); | 39 (!Serializer::enabled(isolate) || !IsFoundByRuntimeProbingOnly(f))); |
40 } | 40 } |
41 | 41 |
42 // I and D cache line size in bytes. | 42 // I and D cache line size in bytes. |
43 static unsigned dcache_line_size(); | 43 static unsigned dcache_line_size(); |
44 static unsigned icache_line_size(); | 44 static unsigned icache_line_size(); |
45 | 45 |
46 static unsigned supported_; | 46 static unsigned supported_; |
47 | 47 |
48 static bool VerifyCrossCompiling() { | 48 static bool VerifyCrossCompiling() { |
49 // There are no optional features for ARM64. | 49 // There are no optional features for ARM64. |
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77 | 77 |
78 static unsigned cross_compile_; | 78 static unsigned cross_compile_; |
79 | 79 |
80 friend class PlatformFeatureScope; | 80 friend class PlatformFeatureScope; |
81 DISALLOW_COPY_AND_ASSIGN(CpuFeatures); | 81 DISALLOW_COPY_AND_ASSIGN(CpuFeatures); |
82 }; | 82 }; |
83 | 83 |
84 } } // namespace v8::internal | 84 } } // namespace v8::internal |
85 | 85 |
86 #endif // V8_ARM64_CPU_ARM64_H_ | 86 #endif // V8_ARM64_CPU_ARM64_H_ |
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