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