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Issue 2497273003: Make arm32 cpu detection recognize the DragonBoard as arm64. (Closed)
Patch Set: . Created 4 years, 1 month ago
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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_OS_LINUX) 6 #if defined(TARGET_OS_LINUX)
7 7
8 #include "vm/cpuinfo.h" 8 #include "vm/cpuinfo.h"
9 #include "vm/cpuid.h" 9 #include "vm/cpuid.h"
10 #include "vm/proccpuinfo.h" 10 #include "vm/proccpuinfo.h"
11 11
12 #include "platform/assert.h" 12 #include "platform/assert.h"
13 13
14 // As with Windows, on IA32 and X64, we use the cpuid instruction. 14 // As with Windows, on IA32 and X64, we use the cpuid instruction.
15 // The analogous instruction is privileged on ARM and MIPS, so we resort to 15 // The analogous instruction is privileged on ARM and MIPS, so we resort to
16 // reading from /proc/cpuinfo. 16 // reading from /proc/cpuinfo.
17 17
18 namespace dart { 18 namespace dart {
19 19
20 CpuInfoMethod CpuInfo::method_ = kCpuInfoDefault; 20 CpuInfoMethod CpuInfo::method_ = kCpuInfoDefault;
21 const char* CpuInfo::fields_[kCpuInfoMax] = {0}; 21 const char* CpuInfo::fields_[kCpuInfoMax] = {0};
22 22
23 void CpuInfo::InitOnce() { 23 void CpuInfo::InitOnce() {
24 #if defined(HOST_ARCH_IA32) || defined(HOST_ARCH_X64) 24 #if defined(HOST_ARCH_IA32) || defined(HOST_ARCH_X64)
25 fields_[kCpuInfoProcessor] = "vendor_id"; 25 fields_[kCpuInfoProcessor] = "vendor_id";
26 fields_[kCpuInfoModel] = "model name"; 26 fields_[kCpuInfoModel] = "model name";
27 fields_[kCpuInfoHardware] = "model name"; 27 fields_[kCpuInfoHardware] = "model name";
28 fields_[kCpuInfoFeatures] = "flags"; 28 fields_[kCpuInfoFeatures] = "flags";
29 fields_[kCpuInfoArchitecture] = "CPU architecture";
29 method_ = kCpuInfoCpuId; 30 method_ = kCpuInfoCpuId;
30 CpuId::InitOnce(); 31 CpuId::InitOnce();
31 #elif defined(HOST_ARCH_ARM) 32 #elif defined(HOST_ARCH_ARM)
32 fields_[kCpuInfoProcessor] = "Processor"; 33 fields_[kCpuInfoProcessor] = "Processor";
33 fields_[kCpuInfoModel] = "model name"; 34 fields_[kCpuInfoModel] = "model name";
34 fields_[kCpuInfoHardware] = "Hardware"; 35 fields_[kCpuInfoHardware] = "Hardware";
35 fields_[kCpuInfoFeatures] = "Features"; 36 fields_[kCpuInfoFeatures] = "Features";
37 fields_[kCpuInfoArchitecture] = "CPU architecture";
36 method_ = kCpuInfoSystem; 38 method_ = kCpuInfoSystem;
37 ProcCpuInfo::InitOnce(); 39 ProcCpuInfo::InitOnce();
38 #elif defined(HOST_ARCH_ARM64) 40 #elif defined(HOST_ARCH_ARM64)
39 fields_[kCpuInfoProcessor] = "Processor"; 41 fields_[kCpuInfoProcessor] = "Processor";
40 fields_[kCpuInfoModel] = "CPU implementer"; 42 fields_[kCpuInfoModel] = "CPU implementer";
41 fields_[kCpuInfoHardware] = "CPU implementer"; 43 fields_[kCpuInfoHardware] = "CPU implementer";
42 fields_[kCpuInfoFeatures] = "Features"; 44 fields_[kCpuInfoFeatures] = "Features";
45 fields_[kCpuInfoArchitecture] = "CPU architecture";
43 method_ = kCpuInfoSystem; 46 method_ = kCpuInfoSystem;
44 ProcCpuInfo::InitOnce(); 47 ProcCpuInfo::InitOnce();
45 #elif defined(HOST_ARCH_MIPS) 48 #elif defined(HOST_ARCH_MIPS)
46 fields_[kCpuInfoProcessor] = "system type"; 49 fields_[kCpuInfoProcessor] = "system type";
47 fields_[kCpuInfoModel] = "cpu model"; 50 fields_[kCpuInfoModel] = "cpu model";
48 fields_[kCpuInfoHardware] = "cpu model"; 51 fields_[kCpuInfoHardware] = "cpu model";
49 fields_[kCpuInfoFeatures] = "ASEs implemented"; 52 fields_[kCpuInfoFeatures] = "ASEs implemented";
53 fields_[kCpuInfoArchitecture] = "CPU architecture";
50 method_ = kCpuInfoSystem; 54 method_ = kCpuInfoSystem;
51 ProcCpuInfo::InitOnce(); 55 ProcCpuInfo::InitOnce();
52 #else 56 #else
53 #error Unrecognized target architecture 57 #error Unrecognized target architecture
54 #endif 58 #endif
55 } 59 }
56 60
57 61
58 void CpuInfo::Cleanup() { 62 void CpuInfo::Cleanup() {
59 if (method_ == kCpuInfoCpuId) { 63 if (method_ == kCpuInfoCpuId) {
(...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after
96 (strcmp(field, fields_[kCpuInfoFeatures]) == 0); 100 (strcmp(field, fields_[kCpuInfoFeatures]) == 0);
97 } else { 101 } else {
98 ASSERT(method_ == kCpuInfoSystem); 102 ASSERT(method_ == kCpuInfoSystem);
99 return ProcCpuInfo::HasField(field); 103 return ProcCpuInfo::HasField(field);
100 } 104 }
101 } 105 }
102 106
103 } // namespace dart 107 } // namespace dart
104 108
105 #endif // defined(TARGET_OS_LINUX) 109 #endif // defined(TARGET_OS_LINUX)
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