57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
/*
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* Copyright (C) 2022 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 <android-base/logging.h>
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#include <android-base/strings.h>
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#include <bootloader_message/bootloader_message.h>
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#include <iostream>
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int main(int argc, char** argv) {
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if (argc != 2) {
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std::cerr
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<< "Usage: " << argv[0]
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<< " [none|memtag|memtag_once|memtag_kernel|memtag_kernel_once]\n";
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return 1;
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}
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std::string value = argv[1];
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misc_memtag_message m = {.version = MISC_MEMTAG_MESSAGE_VERSION,
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.magic = MISC_MEMTAG_MAGIC_HEADER};
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for (const auto& field : android::base::Split(value, ",")) {
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if (field == "memtag") {
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m.memtag_mode |= MISC_MEMTAG_MODE_MEMTAG;
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} else if (field == "memtag-once") {
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m.memtag_mode |= MISC_MEMTAG_MODE_MEMTAG_ONCE;
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} else if (field == "memtag-kernel") {
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m.memtag_mode |= MISC_MEMTAG_MODE_MEMTAG_KERNEL;
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} else if (field == "memtag-kernel-once") {
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m.memtag_mode |= MISC_MEMTAG_MODE_MEMTAG_KERNEL_ONCE;
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} else if (field != "none") {
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LOG(ERROR) << "Unknown value for arm64.memtag.bootctl: " << field;
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return 1;
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}
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}
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std::string err;
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if (!WriteMiscMemtagMessage(m, &err)) {
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LOG(ERROR) << "Failed to apply arm64.memtag.bootctl: " << value << ". "
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<< err;
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return 1;
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} else {
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LOG(INFO) << "Applied arm64.memtag.bootctl: " << value;
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return 0;
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}
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}
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