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c747a25d66
TEST=local AOSP build Bug: https://github.com/flutter/flutter/issues/117973 CoreLibraryReviewExempt: VM-only Change-Id: I9417e86f025bebee359d8ba50ee6b5c8589c2744 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/303011 Reviewed-by: Daco Harkes <dacoharkes@google.com> Reviewed-by: Johnni Winther <johnniwinther@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/globals.h"
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#if defined(DART_HOST_OS_ANDROID)
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#include "vm/cpuinfo.h"
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#include "vm/proccpuinfo.h"
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#include "platform/assert.h"
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namespace dart {
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CpuInfoMethod CpuInfo::method_ = kCpuInfoDefault;
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const char* CpuInfo::fields_[kCpuInfoMax] = {};
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void CpuInfo::Init() {
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#if defined(HOST_ARCH_IA32) || defined(HOST_ARCH_X64)
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fields_[kCpuInfoProcessor] = "vendor_id";
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fields_[kCpuInfoModel] = "model name";
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fields_[kCpuInfoHardware] = "model name";
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fields_[kCpuInfoFeatures] = "flags";
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fields_[kCpuInfoArchitecture] = "CPU architecture";
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method_ = kCpuInfoSystem;
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ProcCpuInfo::Init();
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#elif defined(HOST_ARCH_ARM) || defined(HOST_ARCH_ARM64)
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fields_[kCpuInfoProcessor] = "Processor";
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fields_[kCpuInfoModel] = "model name";
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fields_[kCpuInfoHardware] = "Hardware";
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fields_[kCpuInfoFeatures] = "Features";
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fields_[kCpuInfoArchitecture] = "CPU architecture";
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method_ = kCpuInfoSystem;
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ProcCpuInfo::Init();
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#elif defined(HOST_ARCH_RISCV64)
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// We only rely on the base Linux configuration of IMAFDC, so don't need
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// dynamic feature detection.
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method_ = kCpuInfoNone;
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#else
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#error Unrecognized target architecture
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#endif
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}
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void CpuInfo::Cleanup() {
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if (method_ == kCpuInfoSystem) {
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ProcCpuInfo::Cleanup();
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} else {
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ASSERT(method_ == kCpuInfoNone);
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}
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}
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bool CpuInfo::FieldContains(CpuInfoIndices idx, const char* search_string) {
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if (method_ == kCpuInfoSystem) {
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return ProcCpuInfo::FieldContains(FieldName(idx), search_string);
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} else {
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UNREACHABLE();
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}
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}
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const char* CpuInfo::ExtractField(CpuInfoIndices idx) {
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if (method_ == kCpuInfoSystem) {
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return ProcCpuInfo::ExtractField(FieldName(idx));
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} else {
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UNREACHABLE();
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}
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}
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bool CpuInfo::HasField(const char* field) {
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if (method_ == kCpuInfoSystem) {
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return ProcCpuInfo::HasField(field);
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} else if (method_ == kCpuInfoNone) {
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return false;
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} else {
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UNREACHABLE();
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}
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}
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} // namespace dart
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#endif // defined(DART_HOST_OS_ANDROID)
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