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/*
* Copyright (C) 2023 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 <android/api-level.h>
#include <android-base/properties.h>
#include <gtest/gtest.h>
#include <vintf/VintfObject.h>
using android::vintf::VintfObject;
using android::vintf::RuntimeInfo;
std::optional<std::string> get_config(
const std::map<std::string, std::string>& configs, const std::string& key) {
auto it = configs.find(key);
if (it == configs.end()) {
return std::nullopt;
}
return it->second;
}
// Returns true if the device has the specified feature.
static bool deviceSupportsFeature(const char* feature) {
bool device_supports_feature = false;
FILE* p = popen("pm list features", "re");
if (p) {
char* line = NULL;
size_t len = 0;
while (getline(&line, &len, p) > 0) {
if (strstr(line, feature)) {
device_supports_feature = true;
break;
}
}
if (line) {
free(line);
line = NULL;
}
pclose(p);
}
return device_supports_feature;
}
static bool isTV() {
return deviceSupportsFeature("android.software.leanback");
}
/*
* Tests that the kernel in use is meant to run on CPUs that support a
* 64-bit Instruction Set Architecture (ISA).
*/
TEST(KernelISATest, KernelUses64BitISA) {
/*
* Exclude VSR-3.12 from Android TV
*/
if (isTV()) GTEST_SKIP() << "Exempt from TV devices";
/*
* ro.vendor.api_level is the VSR API level, which is calculated
* as:
*
* vendor.api_level = min(ro.product.first_api_level, ro.board.[first_]api_level)
*
* If ro.board.api_level is defined, it is used for the comparison instead
* of ro.board.first_api_level.
*/
int vendor_api_level = android::base::GetIntProperty("ro.vendor.api_level",
-1);
/*
* Ensure that we run this test for devices launching with Android 14+, but not
* devices that are upgrading to Android 14+.
*/
if (vendor_api_level < __ANDROID_API_U__)
GTEST_SKIP() << "Exempt from KernelUses64BitISATest: ro.vendor.api_level ("
<< vendor_api_level << ") < " << __ANDROID_API_U__;
std::shared_ptr<const RuntimeInfo> runtime_info = VintfObject::GetRuntimeInfo();
ASSERT_NE(nullptr, runtime_info);
const auto& configs = runtime_info->kernelConfigs();
ASSERT_EQ(get_config(configs, "CONFIG_64BIT"), "y") << "VSR-3.12: Devices "
<< "launching with Android 14+ "
<< "must support 64-bit ABIs and "
<< "thus must use a 64-bit kernel.";
}