mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-09-21 18:37:58 +03:00
259ef76504
Use the new LibDeviceTree to dump the contents of the device tree blob (Flattened Device Tree) file passed on the command line.
45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
/*
|
|
* Copyright (c) 2021, Andrew Kaster <akaster@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/MappedFile.h>
|
|
#include <AK/String.h>
|
|
#include <LibCore/ArgsParser.h>
|
|
#include <LibDeviceTree/Validation.h>
|
|
#include <serenity.h>
|
|
|
|
int main(int argc, char* argv[])
|
|
{
|
|
if (pledge("stdio rpath", nullptr) < 0) {
|
|
perror("pledge");
|
|
return 1;
|
|
}
|
|
|
|
String filename;
|
|
|
|
Core::ArgsParser args;
|
|
args.add_positional_argument(filename, "File to process", "file", Core::ArgsParser::Required::Yes);
|
|
args.parse(argc, argv);
|
|
|
|
// FIXME: Figure out how to do this sanely from stdin
|
|
auto maybe_file = MappedFile::map(filename);
|
|
if (maybe_file.is_error()) {
|
|
warnln("Unable to dump device tree from file {}: {}", filename, maybe_file.error().string());
|
|
return 1;
|
|
}
|
|
auto file = maybe_file.release_value();
|
|
|
|
if (file->size() < sizeof(DeviceTree::FlattenedDeviceTreeHeader)) {
|
|
warnln("Not enough data in {} to contain a device tree header!", filename);
|
|
return 1;
|
|
}
|
|
|
|
auto* fdt_header = reinterpret_cast<DeviceTree::FlattenedDeviceTreeHeader const*>(file->data());
|
|
|
|
bool valid = DeviceTree::dump(*fdt_header, static_cast<u8 const*>(file->data()), file->size());
|
|
|
|
return valid ? 0 : 1;
|
|
}
|