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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, 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_X64) | 6 #if defined(TARGET_ARCH_X64) |
7 | 7 |
8 #include "vm/cpu.h" | 8 #include "vm/cpu.h" |
9 #include "vm/cpu_x64.h" | 9 #include "vm/cpu_x64.h" |
10 | 10 |
11 #include "vm/assembler.h" | 11 #include "vm/assembler.h" |
12 #include "vm/constants_x64.h" | 12 #include "vm/constants_x64.h" |
13 #include "vm/cpuinfo.h" | 13 #include "vm/cpuinfo.h" |
14 #include "vm/heap.h" | 14 #include "vm/heap.h" |
15 #include "vm/isolate.h" | 15 #include "vm/isolate.h" |
16 #include "vm/object.h" | 16 #include "vm/object.h" |
17 | 17 |
18 namespace dart { | 18 namespace dart { |
19 | 19 |
20 DEFINE_FLAG(bool, use_sse41, true, "Use SSE 4.1 if available"); | 20 DEFINE_FLAG(bool, use_sse41, true, "Use SSE 4.1 if available"); |
21 | 21 |
22 | |
23 void CPU::FlushICache(uword start, uword size) { | 22 void CPU::FlushICache(uword start, uword size) { |
24 // Nothing to be done here. | 23 // Nothing to be done here. |
25 } | 24 } |
26 | 25 |
27 | |
28 const char* CPU::Id() { | 26 const char* CPU::Id() { |
29 return "x64"; | 27 return "x64"; |
30 } | 28 } |
31 | 29 |
32 | |
33 bool HostCPUFeatures::sse2_supported_ = true; | 30 bool HostCPUFeatures::sse2_supported_ = true; |
34 bool HostCPUFeatures::sse4_1_supported_ = false; | 31 bool HostCPUFeatures::sse4_1_supported_ = false; |
35 const char* HostCPUFeatures::hardware_ = NULL; | 32 const char* HostCPUFeatures::hardware_ = NULL; |
36 #if defined(DEBUG) | 33 #if defined(DEBUG) |
37 bool HostCPUFeatures::initialized_ = false; | 34 bool HostCPUFeatures::initialized_ = false; |
38 #endif | 35 #endif |
39 | 36 |
40 void HostCPUFeatures::InitOnce() { | 37 void HostCPUFeatures::InitOnce() { |
41 CpuInfo::InitOnce(); | 38 CpuInfo::InitOnce(); |
42 hardware_ = CpuInfo::GetCpuModel(); | 39 hardware_ = CpuInfo::GetCpuModel(); |
43 sse4_1_supported_ = CpuInfo::FieldContains(kCpuInfoFeatures, "sse4_1") || | 40 sse4_1_supported_ = CpuInfo::FieldContains(kCpuInfoFeatures, "sse4_1") || |
44 CpuInfo::FieldContains(kCpuInfoFeatures, "sse4.1"); | 41 CpuInfo::FieldContains(kCpuInfoFeatures, "sse4.1"); |
45 | 42 |
46 #if defined(DEBUG) | 43 #if defined(DEBUG) |
47 initialized_ = true; | 44 initialized_ = true; |
48 #endif | 45 #endif |
49 } | 46 } |
50 | 47 |
51 | |
52 void HostCPUFeatures::Cleanup() { | 48 void HostCPUFeatures::Cleanup() { |
53 DEBUG_ASSERT(initialized_); | 49 DEBUG_ASSERT(initialized_); |
54 #if defined(DEBUG) | 50 #if defined(DEBUG) |
55 initialized_ = false; | 51 initialized_ = false; |
56 #endif | 52 #endif |
57 ASSERT(hardware_ != NULL); | 53 ASSERT(hardware_ != NULL); |
58 free(const_cast<char*>(hardware_)); | 54 free(const_cast<char*>(hardware_)); |
59 hardware_ = NULL; | 55 hardware_ = NULL; |
60 CpuInfo::Cleanup(); | 56 CpuInfo::Cleanup(); |
61 } | 57 } |
62 | 58 |
63 } // namespace dart | 59 } // namespace dart |
64 | 60 |
65 #endif // defined TARGET_ARCH_X64 | 61 #endif // defined TARGET_ARCH_X64 |
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