1d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers/* 2d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers * Copyright (C) 2014 The Android Open Source Project 3d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers * 4d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers * Licensed under the Apache License, Version 2.0 (the "License"); 5d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers * you may not use this file except in compliance with the License. 6d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers * You may obtain a copy of the License at 7d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers * 8d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers * http://www.apache.org/licenses/LICENSE-2.0 9d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers * 10d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers * Unless required by applicable law or agreed to in writing, software 11d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers * distributed under the License is distributed on an "AS IS" BASIS, 12d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers * See the License for the specific language governing permissions and 14d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers * limitations under the License. 15d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers */ 16d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 17d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers#include "instruction_set_features.h" 18d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 19d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers#include <gtest/gtest.h> 20d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 21bb661c0f0cb72d4bbfc2e251f6ded6949a713292Bilyan Borisov#ifdef ART_TARGET_ANDROID 229642b1b698c1239cb13c8774936fd990c1a6a6c6Dimitry Ivanov#include "android-base/properties.h" 23d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers#endif 24d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 2546ee31b67d7ee1bd085fbc240502053caa3cf8faAndreas Gampe#include "android-base/stringprintf.h" 2646ee31b67d7ee1bd085fbc240502053caa3cf8faAndreas Gampe 27bda1d606f2d31086874b68edd9254e3817d8049cAndreas Gampe#include "base/logging.h" 28d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 29d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogersnamespace art { 30d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 3146ee31b67d7ee1bd085fbc240502053caa3cf8faAndreas Gampeusing android::base::StringPrintf; 3246ee31b67d7ee1bd085fbc240502053caa3cf8faAndreas Gampe 33bb661c0f0cb72d4bbfc2e251f6ded6949a713292Bilyan Borisov#ifdef ART_TARGET_ANDROID 34d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers#if defined(__aarch64__) 35d9df67041c54d6416cb53ca8822fe6aa552927e9Ian RogersTEST(InstructionSetFeaturesTest, DISABLED_FeaturesFromSystemPropertyVariant) { 36d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers LOG(WARNING) << "Test disabled due to no CPP define for A53 erratum 835769"; 37d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers#else 38d582fa4ea62083a7598dded5b82dc2198b3daac7Ian RogersTEST(InstructionSetFeaturesTest, FeaturesFromSystemPropertyVariant) { 39d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers#endif 40d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers // Take the default set of instruction features from the build. 41d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers std::unique_ptr<const InstructionSetFeatures> instruction_set_features( 42d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers InstructionSetFeatures::FromCppDefines()); 43d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 44d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers // Read the variant property. 45d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers std::string key = StringPrintf("dalvik.vm.isa.%s.variant", GetInstructionSetString(kRuntimeISA)); 469642b1b698c1239cb13c8774936fd990c1a6a6c6Dimitry Ivanov std::string dex2oat_isa_variant = android::base::GetProperty(key, ""); 479642b1b698c1239cb13c8774936fd990c1a6a6c6Dimitry Ivanov if (!dex2oat_isa_variant.empty()) { 48d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers // Use features from property to build InstructionSetFeatures and check against build's 49d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers // features. 50d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers std::string error_msg; 51d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers std::unique_ptr<const InstructionSetFeatures> property_features( 52d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers InstructionSetFeatures::FromVariant(kRuntimeISA, dex2oat_isa_variant, &error_msg)); 53d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers ASSERT_TRUE(property_features.get() != nullptr) << error_msg; 54d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 55d747c13e19763b295cde7dc29a2cc3ed8585e93dSerban Constantinescu EXPECT_TRUE(property_features->HasAtLeast(instruction_set_features.get())) 56d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers << "System property features: " << *property_features.get() 57d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers << "\nFeatures from build: " << *instruction_set_features.get(); 58d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers } 59d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers} 60d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 61d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers#if defined(__aarch64__) 62d9df67041c54d6416cb53ca8822fe6aa552927e9Ian RogersTEST(InstructionSetFeaturesTest, DISABLED_FeaturesFromSystemPropertyString) { 63d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers LOG(WARNING) << "Test disabled due to no CPP define for A53 erratum 835769"; 64d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers#else 65d582fa4ea62083a7598dded5b82dc2198b3daac7Ian RogersTEST(InstructionSetFeaturesTest, FeaturesFromSystemPropertyString) { 66d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers#endif 67d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers // Take the default set of instruction features from the build. 68d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers std::unique_ptr<const InstructionSetFeatures> instruction_set_features( 69d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers InstructionSetFeatures::FromCppDefines()); 70d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 71d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers // Read the variant property. 72d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers std::string variant_key = StringPrintf("dalvik.vm.isa.%s.variant", 73d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers GetInstructionSetString(kRuntimeISA)); 749642b1b698c1239cb13c8774936fd990c1a6a6c6Dimitry Ivanov std::string dex2oat_isa_variant = android::base::GetProperty(variant_key, ""); 759642b1b698c1239cb13c8774936fd990c1a6a6c6Dimitry Ivanov if (!dex2oat_isa_variant.empty()) { 76d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers // Read the features property. 77d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers std::string features_key = StringPrintf("dalvik.vm.isa.%s.features", 78d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers GetInstructionSetString(kRuntimeISA)); 799642b1b698c1239cb13c8774936fd990c1a6a6c6Dimitry Ivanov std::string dex2oat_isa_features = android::base::GetProperty(features_key, ""); 809642b1b698c1239cb13c8774936fd990c1a6a6c6Dimitry Ivanov if (!dex2oat_isa_features.empty()) { 81d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers // Use features from property to build InstructionSetFeatures and check against build's 82d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers // features. 83d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers std::string error_msg; 84d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers std::unique_ptr<const InstructionSetFeatures> base_features( 85d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers InstructionSetFeatures::FromVariant(kRuntimeISA, dex2oat_isa_variant, &error_msg)); 86d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers ASSERT_TRUE(base_features.get() != nullptr) << error_msg; 87d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers 88d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers std::unique_ptr<const InstructionSetFeatures> property_features( 89d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers base_features->AddFeaturesFromString(dex2oat_isa_features, &error_msg)); 90d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers ASSERT_TRUE(property_features.get() != nullptr) << error_msg; 91d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers 92d747c13e19763b295cde7dc29a2cc3ed8585e93dSerban Constantinescu EXPECT_TRUE(property_features->HasAtLeast(instruction_set_features.get())) 93d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers << "System property features: " << *property_features.get() 94d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers << "\nFeatures from build: " << *instruction_set_features.get(); 95d9df67041c54d6416cb53ca8822fe6aa552927e9Ian Rogers } 96d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers } 97d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers} 98d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 99d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers#if defined(__arm__) 100d582fa4ea62083a7598dded5b82dc2198b3daac7Ian RogersTEST(InstructionSetFeaturesTest, DISABLED_FeaturesFromCpuInfo) { 101d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers LOG(WARNING) << "Test disabled due to buggy ARM kernels"; 102d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers#else 103d582fa4ea62083a7598dded5b82dc2198b3daac7Ian RogersTEST(InstructionSetFeaturesTest, FeaturesFromCpuInfo) { 104d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers#endif 105d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers // Take the default set of instruction features from the build. 106d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers std::unique_ptr<const InstructionSetFeatures> instruction_set_features( 107d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers InstructionSetFeatures::FromCppDefines()); 108d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 109d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers // Check we get the same instruction set features using /proc/cpuinfo. 110d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers std::unique_ptr<const InstructionSetFeatures> cpuinfo_features( 111d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers InstructionSetFeatures::FromCpuInfo()); 112d747c13e19763b295cde7dc29a2cc3ed8585e93dSerban Constantinescu EXPECT_TRUE(cpuinfo_features->HasAtLeast(instruction_set_features.get())) 113d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers << "CPU Info features: " << *cpuinfo_features.get() 114d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers << "\nFeatures from build: " << *instruction_set_features.get(); 115d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers} 116d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers#endif 117d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 118bb661c0f0cb72d4bbfc2e251f6ded6949a713292Bilyan Borisov#ifndef ART_TARGET_ANDROID 119d582fa4ea62083a7598dded5b82dc2198b3daac7Ian RogersTEST(InstructionSetFeaturesTest, HostFeaturesFromCppDefines) { 120d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers std::string error_msg; 121d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers std::unique_ptr<const InstructionSetFeatures> default_features( 122d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers InstructionSetFeatures::FromVariant(kRuntimeISA, "default", &error_msg)); 123d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers ASSERT_TRUE(error_msg.empty()); 124d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 125d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers std::unique_ptr<const InstructionSetFeatures> cpp_features( 126d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers InstructionSetFeatures::FromCppDefines()); 127d747c13e19763b295cde7dc29a2cc3ed8585e93dSerban Constantinescu EXPECT_TRUE(cpp_features->HasAtLeast(default_features.get())) 128d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers << "Default variant features: " << *default_features.get() 129d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers << "\nFeatures from build: " << *cpp_features.get(); 130d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers} 131d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers#endif 132d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 133d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers#if defined(__arm__) 134d582fa4ea62083a7598dded5b82dc2198b3daac7Ian RogersTEST(InstructionSetFeaturesTest, DISABLED_FeaturesFromHwcap) { 135d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers LOG(WARNING) << "Test disabled due to buggy ARM kernels"; 136d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers#else 137d582fa4ea62083a7598dded5b82dc2198b3daac7Ian RogersTEST(InstructionSetFeaturesTest, FeaturesFromHwcap) { 138d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers#endif 139d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers // Take the default set of instruction features from the build. 140d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers std::unique_ptr<const InstructionSetFeatures> instruction_set_features( 141d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers InstructionSetFeatures::FromCppDefines()); 142d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 143d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers // Check we get the same instruction set features using AT_HWCAP. 144d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers std::unique_ptr<const InstructionSetFeatures> hwcap_features( 145d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers InstructionSetFeatures::FromHwcap()); 146d747c13e19763b295cde7dc29a2cc3ed8585e93dSerban Constantinescu EXPECT_TRUE(hwcap_features->HasAtLeast(instruction_set_features.get())) 147d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers << "Hwcap features: " << *hwcap_features.get() 148d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers << "\nFeatures from build: " << *instruction_set_features.get(); 149d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers} 150d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 151d582fa4ea62083a7598dded5b82dc2198b3daac7Ian RogersTEST(InstructionSetFeaturesTest, FeaturesFromAssembly) { 152d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers // Take the default set of instruction features from the build. 153d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers std::unique_ptr<const InstructionSetFeatures> instruction_set_features( 154d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers InstructionSetFeatures::FromCppDefines()); 155d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 156d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers // Check we get the same instruction set features using assembly tests. 157d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers std::unique_ptr<const InstructionSetFeatures> assembly_features( 158d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers InstructionSetFeatures::FromAssembly()); 159d747c13e19763b295cde7dc29a2cc3ed8585e93dSerban Constantinescu EXPECT_TRUE(assembly_features->HasAtLeast(instruction_set_features.get())) 160d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers << "Assembly features: " << *assembly_features.get() 161d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers << "\nFeatures from build: " << *instruction_set_features.get(); 162d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers} 163d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers 164d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers} // namespace art 165