116 lines
4.2 KiB
C++
116 lines
4.2 KiB
C++
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <getopt.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <iostream>
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#include <map>
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#include <memory>
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#include <optional>
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#include <string>
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#include <string_view>
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#include <android-base/logging.h>
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#include <android-base/parseint.h>
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#include "misc_writer/misc_writer.h"
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using namespace std::string_literals;
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using android::hardware::google::pixel::MiscWriter;
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using android::hardware::google::pixel::MiscWriterActions;
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static int Usage(std::string_view name) {
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std::cerr << name << " usage:\n";
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std::cerr << name << " [--override-vendor-space-offset <offset>] --<misc_writer_action>\n";
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std::cerr << "Supported misc_writer_action is one of: \n";
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std::cerr << " --set-dark-theme Write the dark theme flag\n";
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std::cerr << " --clear-dark-theme Clear the dark theme flag\n";
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std::cerr << " --set-sota Write the silent OTA flag\n";
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std::cerr << " --clear-sota Clear the silent OTA flag\n";
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std::cerr << " --set-enable-pkvm Write the enable pKVM flag\n";
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std::cerr << " --set-disable-pkvm Write the disable pKVM flag\n";
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std::cerr << "Writes the given hex string to the specified offset in vendor space in /misc "
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"partition.\nDefault offset is used for each action unless "
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"--override-vendor-space-offset is specified.\n";
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return EXIT_FAILURE;
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}
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// misc_writer is a vendor tool that writes data to the vendor space in /misc.
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int main(int argc, char** argv) {
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constexpr struct option OPTIONS[] = {
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{ "set-dark-theme", no_argument, nullptr, 0 },
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{ "clear-dark-theme", no_argument, nullptr, 0 },
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{ "set-sota", no_argument, nullptr, 0 },
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{ "clear-sota", no_argument, nullptr, 0 },
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{ "override-vendor-space-offset", required_argument, nullptr, 0 },
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{ "set-enable-pkvm", no_argument, nullptr, 0 },
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{ "set-disable-pkvm", no_argument, nullptr, 0 },
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{ nullptr, 0, nullptr, 0 },
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};
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std::map<std::string, MiscWriterActions> action_map{
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{ "set-dark-theme", MiscWriterActions::kSetDarkThemeFlag },
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{ "clear-dark-theme", MiscWriterActions::kClearDarkThemeFlag },
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{ "set-sota", MiscWriterActions::kSetSotaFlag },
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{ "clear-sota", MiscWriterActions::kClearSotaFlag },
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{ "set-enable-pkvm", MiscWriterActions::kSetEnablePkvmFlag },
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{ "set-disable-pkvm", MiscWriterActions::kSetDisablePkvmFlag },
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};
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std::unique_ptr<MiscWriter> misc_writer;
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std::optional<size_t> override_offset;
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int arg;
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int option_index = 0;
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while ((arg = getopt_long(argc, argv, "", OPTIONS, &option_index)) != -1) {
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if (arg != 0) {
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LOG(ERROR) << "Invalid command argument";
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return Usage(argv[0]);
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}
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auto option_name = OPTIONS[option_index].name;
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if (option_name == "override-vendor-space-offset"s) {
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LOG(WARNING) << "Overriding the vendor space offset in misc partition to " << optarg;
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size_t offset;
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if (!android::base::ParseUint(optarg, &offset)) {
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LOG(ERROR) << "Failed to parse the offset: " << optarg;
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return Usage(argv[0]);
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}
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override_offset = offset;
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} else if (auto iter = action_map.find(option_name); iter != action_map.end()) {
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if (misc_writer) {
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LOG(ERROR) << "Misc writer action has already been set";
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return Usage(argv[0]);
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}
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misc_writer = std::make_unique<MiscWriter>(iter->second);
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} else {
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LOG(FATAL) << "Unreachable path, option_name: " << option_name;
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}
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}
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if (!misc_writer) {
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LOG(ERROR) << "An action must be specified for misc writer";
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return Usage(argv[0]);
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}
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if (!misc_writer->PerformAction(override_offset)) {
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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