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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "instruction_set_features.h"
#include <gtest/gtest.h>
#ifdef __ANDROID__
#include "cutils/properties.h"
#endif
#include "base/stringprintf.h"
namespace art {
#ifdef __ANDROID__
#if defined(__aarch64__)
TEST(InstructionSetFeaturesTest, DISABLED_FeaturesFromSystemPropertyVariant) {
LOG(WARNING) << "Test disabled due to no CPP define for A53 erratum 835769";
#else
TEST(InstructionSetFeaturesTest, FeaturesFromSystemPropertyVariant) {
#endif
// Take the default set of instruction features from the build.
std::unique_ptr<const InstructionSetFeatures> instruction_set_features(
InstructionSetFeatures::FromCppDefines());
// Read the variant property.
std::string key = StringPrintf("dalvik.vm.isa.%s.variant", GetInstructionSetString(kRuntimeISA));
char dex2oat_isa_variant[PROPERTY_VALUE_MAX];
if (property_get(key.c_str(), dex2oat_isa_variant, nullptr) > 0) {
// Use features from property to build InstructionSetFeatures and check against build's
// features.
std::string error_msg;
std::unique_ptr<const InstructionSetFeatures> property_features(
InstructionSetFeatures::FromVariant(kRuntimeISA, dex2oat_isa_variant, &error_msg));
ASSERT_TRUE(property_features.get() != nullptr) << error_msg;
EXPECT_TRUE(property_features->Equals(instruction_set_features.get()))
<< "System property features: " << *property_features.get()
<< "\nFeatures from build: " << *instruction_set_features.get();
}
}
#if defined(__aarch64__)
TEST(InstructionSetFeaturesTest, DISABLED_FeaturesFromSystemPropertyString) {
LOG(WARNING) << "Test disabled due to no CPP define for A53 erratum 835769";
#else
TEST(InstructionSetFeaturesTest, FeaturesFromSystemPropertyString) {
#endif
// Take the default set of instruction features from the build.
std::unique_ptr<const InstructionSetFeatures> instruction_set_features(
InstructionSetFeatures::FromCppDefines());
// Read the variant property.
std::string variant_key = StringPrintf("dalvik.vm.isa.%s.variant",
GetInstructionSetString(kRuntimeISA));
char dex2oat_isa_variant[PROPERTY_VALUE_MAX];
if (property_get(variant_key.c_str(), dex2oat_isa_variant, nullptr) > 0) {
// Read the features property.
std::string features_key = StringPrintf("dalvik.vm.isa.%s.features",
GetInstructionSetString(kRuntimeISA));
char dex2oat_isa_features[PROPERTY_VALUE_MAX];
if (property_get(features_key.c_str(), dex2oat_isa_features, nullptr) > 0) {
// Use features from property to build InstructionSetFeatures and check against build's
// features.
std::string error_msg;
std::unique_ptr<const InstructionSetFeatures> base_features(
InstructionSetFeatures::FromVariant(kRuntimeISA, dex2oat_isa_variant, &error_msg));
ASSERT_TRUE(base_features.get() != nullptr) << error_msg;
std::unique_ptr<const InstructionSetFeatures> property_features(
base_features->AddFeaturesFromString(dex2oat_isa_features, &error_msg));
ASSERT_TRUE(property_features.get() != nullptr) << error_msg;
EXPECT_TRUE(property_features->Equals(instruction_set_features.get()))
<< "System property features: " << *property_features.get()
<< "\nFeatures from build: " << *instruction_set_features.get();
}
}
}
#if defined(__arm__)
TEST(InstructionSetFeaturesTest, DISABLED_FeaturesFromCpuInfo) {
LOG(WARNING) << "Test disabled due to buggy ARM kernels";
#else
TEST(InstructionSetFeaturesTest, FeaturesFromCpuInfo) {
#endif
// Take the default set of instruction features from the build.
std::unique_ptr<const InstructionSetFeatures> instruction_set_features(
InstructionSetFeatures::FromCppDefines());
// Check we get the same instruction set features using /proc/cpuinfo.
std::unique_ptr<const InstructionSetFeatures> cpuinfo_features(
InstructionSetFeatures::FromCpuInfo());
EXPECT_TRUE(cpuinfo_features->Equals(instruction_set_features.get()))
<< "CPU Info features: " << *cpuinfo_features.get()
<< "\nFeatures from build: " << *instruction_set_features.get();
}
#endif
#ifndef __ANDROID__
TEST(InstructionSetFeaturesTest, HostFeaturesFromCppDefines) {
std::string error_msg;
std::unique_ptr<const InstructionSetFeatures> default_features(
InstructionSetFeatures::FromVariant(kRuntimeISA, "default", &error_msg));
ASSERT_TRUE(error_msg.empty());
std::unique_ptr<const InstructionSetFeatures> cpp_features(
InstructionSetFeatures::FromCppDefines());
EXPECT_TRUE(default_features->Equals(cpp_features.get()))
<< "Default variant features: " << *default_features.get()
<< "\nFeatures from build: " << *cpp_features.get();
}
#endif
#if defined(__arm__)
TEST(InstructionSetFeaturesTest, DISABLED_FeaturesFromHwcap) {
LOG(WARNING) << "Test disabled due to buggy ARM kernels";
#else
TEST(InstructionSetFeaturesTest, FeaturesFromHwcap) {
#endif
// Take the default set of instruction features from the build.
std::unique_ptr<const InstructionSetFeatures> instruction_set_features(
InstructionSetFeatures::FromCppDefines());
// Check we get the same instruction set features using AT_HWCAP.
std::unique_ptr<const InstructionSetFeatures> hwcap_features(
InstructionSetFeatures::FromHwcap());
EXPECT_TRUE(hwcap_features->Equals(instruction_set_features.get()))
<< "Hwcap features: " << *hwcap_features.get()
<< "\nFeatures from build: " << *instruction_set_features.get();
}
TEST(InstructionSetFeaturesTest, FeaturesFromAssembly) {
// Take the default set of instruction features from the build.
std::unique_ptr<const InstructionSetFeatures> instruction_set_features(
InstructionSetFeatures::FromCppDefines());
// Check we get the same instruction set features using assembly tests.
std::unique_ptr<const InstructionSetFeatures> assembly_features(
InstructionSetFeatures::FromAssembly());
EXPECT_TRUE(assembly_features->Equals(instruction_set_features.get()))
<< "Assembly features: " << *assembly_features.get()
<< "\nFeatures from build: " << *instruction_set_features.get();
}
} // namespace art