| 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 |