OLD | NEW |
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" |
(...skipping 10 matching lines...) Expand all Loading... |
21 // is enabled (snapshots must be portable). | 21 // is enabled (snapshots must be portable). |
22 static void Probe(bool serializer_enabled); | 22 static void Probe(bool serializer_enabled); |
23 | 23 |
24 // Check whether a feature is supported by the target CPU. | 24 // Check whether a feature is supported by the target CPU. |
25 static bool IsSupported(CpuFeature f) { | 25 static bool IsSupported(CpuFeature f) { |
26 ASSERT(initialized_); | 26 ASSERT(initialized_); |
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 // There are no optional features for ARM64. |
32 ASSERT(initialized_); | |
33 // There are no optional features for ARM64. | |
34 return false; | |
35 } | |
36 | |
37 static bool IsSafeForSnapshot(Isolate* isolate, CpuFeature f) { | 32 static bool IsSafeForSnapshot(Isolate* isolate, CpuFeature f) { |
38 return (IsSupported(f) && | 33 return IsSupported(f); |
39 (!Serializer::enabled(isolate) || !IsFoundByRuntimeProbingOnly(f))); | |
40 } | 34 } |
41 | 35 |
42 // I and D cache line size in bytes. | 36 // I and D cache line size in bytes. |
43 static unsigned dcache_line_size(); | 37 static unsigned dcache_line_size(); |
44 static unsigned icache_line_size(); | 38 static unsigned icache_line_size(); |
45 | 39 |
46 static unsigned supported_; | 40 static unsigned supported_; |
47 | 41 |
48 static bool VerifyCrossCompiling() { | 42 static bool VerifyCrossCompiling() { |
49 // There are no optional features for ARM64. | 43 // There are no optional features for ARM64. |
(...skipping 18 matching lines...) Expand all Loading... |
68 // This isn't used (and is always 0), but it is required by V8. | 62 // This isn't used (and is always 0), but it is required by V8. |
69 static unsigned cross_compile_; | 63 static unsigned cross_compile_; |
70 | 64 |
71 friend class PlatformFeatureScope; | 65 friend class PlatformFeatureScope; |
72 DISALLOW_COPY_AND_ASSIGN(CpuFeatures); | 66 DISALLOW_COPY_AND_ASSIGN(CpuFeatures); |
73 }; | 67 }; |
74 | 68 |
75 } } // namespace v8::internal | 69 } } // namespace v8::internal |
76 | 70 |
77 #endif // V8_ARM64_CPU_ARM64_H_ | 71 #endif // V8_ARM64_CPU_ARM64_H_ |
OLD | NEW |