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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/globals.h" | 5 #include "vm/globals.h" |
6 #if defined(TARGET_ARCH_ARM64) | 6 #if defined(TARGET_ARCH_ARM64) |
7 | 7 |
8 #include "vm/cpu.h" | 8 #include "vm/cpu.h" |
9 #include "vm/cpu_arm64.h" | 9 #include "vm/cpu_arm64.h" |
10 | 10 |
11 #include "vm/cpuinfo.h" | 11 #include "vm/cpuinfo.h" |
12 #include "vm/simulator.h" | 12 #include "vm/simulator.h" |
13 | 13 |
14 #if !defined(USING_SIMULATOR) | 14 #if !defined(USING_SIMULATOR) |
15 #if !defined(HOST_OS_FUCHSIA) | 15 #if !defined(HOST_OS_FUCHSIA) |
16 #include <sys/syscall.h> /* NOLINT */ | 16 #include <sys/syscall.h> /* NOLINT */ |
17 #endif | 17 #endif |
18 #include <unistd.h> /* NOLINT */ | 18 #include <unistd.h> /* NOLINT */ |
19 #endif | 19 #endif |
20 | 20 |
21 namespace dart { | 21 namespace dart { |
22 | 22 |
23 void CPU::FlushICache(uword start, uword size) { | 23 void CPU::FlushICache(uword start, uword size) { |
24 #if HOST_OS_IOS | 24 #if HOST_OS_IOS |
25 // Precompilation never patches code so there should be no I cache flushes. | 25 // Precompilation never patches code so there should be no I cache flushes. |
26 UNREACHABLE(); | 26 UNREACHABLE(); |
27 #endif | 27 #endif |
28 | 28 |
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40 char* beg = reinterpret_cast<char*>(start); | 40 char* beg = reinterpret_cast<char*>(start); |
41 char* end = reinterpret_cast<char*>(start + size); | 41 char* end = reinterpret_cast<char*>(start + size); |
42 ::__clear_cache(beg, end); | 42 ::__clear_cache(beg, end); |
43 #else | 43 #else |
44 #error FlushICache only tested/supported on Android, Fuchsia, and Linux | 44 #error FlushICache only tested/supported on Android, Fuchsia, and Linux |
45 #endif | 45 #endif |
46 | 46 |
47 #endif | 47 #endif |
48 } | 48 } |
49 | 49 |
50 | |
51 const char* CPU::Id() { | 50 const char* CPU::Id() { |
52 return | 51 return |
53 #if defined(USING_SIMULATOR) | 52 #if defined(USING_SIMULATOR) |
54 "sim" | 53 "sim" |
55 #endif // !defined(HOST_ARCH_ARM64) | 54 #endif // !defined(HOST_ARCH_ARM64) |
56 "arm64"; | 55 "arm64"; |
57 } | 56 } |
58 | 57 |
59 | |
60 const char* HostCPUFeatures::hardware_ = NULL; | 58 const char* HostCPUFeatures::hardware_ = NULL; |
61 #if defined(DEBUG) | 59 #if defined(DEBUG) |
62 bool HostCPUFeatures::initialized_ = false; | 60 bool HostCPUFeatures::initialized_ = false; |
63 #endif | 61 #endif |
64 | 62 |
65 | |
66 #if !defined(USING_SIMULATOR) | 63 #if !defined(USING_SIMULATOR) |
67 void HostCPUFeatures::InitOnce() { | 64 void HostCPUFeatures::InitOnce() { |
68 CpuInfo::InitOnce(); | 65 CpuInfo::InitOnce(); |
69 hardware_ = CpuInfo::GetCpuModel(); | 66 hardware_ = CpuInfo::GetCpuModel(); |
70 #if defined(DEBUG) | 67 #if defined(DEBUG) |
71 initialized_ = true; | 68 initialized_ = true; |
72 #endif | 69 #endif |
73 } | 70 } |
74 | 71 |
75 | |
76 void HostCPUFeatures::Cleanup() { | 72 void HostCPUFeatures::Cleanup() { |
77 DEBUG_ASSERT(initialized_); | 73 DEBUG_ASSERT(initialized_); |
78 #if defined(DEBUG) | 74 #if defined(DEBUG) |
79 initialized_ = false; | 75 initialized_ = false; |
80 #endif | 76 #endif |
81 ASSERT(hardware_ != NULL); | 77 ASSERT(hardware_ != NULL); |
82 free(const_cast<char*>(hardware_)); | 78 free(const_cast<char*>(hardware_)); |
83 hardware_ = NULL; | 79 hardware_ = NULL; |
84 CpuInfo::Cleanup(); | 80 CpuInfo::Cleanup(); |
85 } | 81 } |
86 | 82 |
87 #else // !defined(USING_SIMULATOR) | 83 #else // !defined(USING_SIMULATOR) |
88 | 84 |
89 void HostCPUFeatures::InitOnce() { | 85 void HostCPUFeatures::InitOnce() { |
90 CpuInfo::InitOnce(); | 86 CpuInfo::InitOnce(); |
91 hardware_ = CpuInfo::GetCpuModel(); | 87 hardware_ = CpuInfo::GetCpuModel(); |
92 #if defined(DEBUG) | 88 #if defined(DEBUG) |
93 initialized_ = true; | 89 initialized_ = true; |
94 #endif | 90 #endif |
95 } | 91 } |
96 | 92 |
97 | |
98 void HostCPUFeatures::Cleanup() { | 93 void HostCPUFeatures::Cleanup() { |
99 DEBUG_ASSERT(initialized_); | 94 DEBUG_ASSERT(initialized_); |
100 #if defined(DEBUG) | 95 #if defined(DEBUG) |
101 initialized_ = false; | 96 initialized_ = false; |
102 #endif | 97 #endif |
103 ASSERT(hardware_ != NULL); | 98 ASSERT(hardware_ != NULL); |
104 free(const_cast<char*>(hardware_)); | 99 free(const_cast<char*>(hardware_)); |
105 hardware_ = NULL; | 100 hardware_ = NULL; |
106 CpuInfo::Cleanup(); | 101 CpuInfo::Cleanup(); |
107 } | 102 } |
108 #endif // !defined(USING_SIMULATOR) | 103 #endif // !defined(USING_SIMULATOR) |
109 | 104 |
110 } // namespace dart | 105 } // namespace dart |
111 | 106 |
112 #endif // defined TARGET_ARCH_ARM64 | 107 #endif // defined TARGET_ARCH_ARM64 |
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