Libraries: Add LibDeviceTree for manipulating OpenFirmware Device Trees

Starting with header validation and a dump() method that can be used to debug future parsing work.
Author: https://github.com/ADKaster Commit: 644928314a Pull-request: https://github.com/SerenityOS/serenity/pull/10526 Reviewed-by: https://github.com/Hendiadyoin1 Reviewed-by: https://github.com/alimpfard Reviewed-by: https://github.com/bgianfo ✅ Reviewed-by: https://github.com/linusg
2025-08-15 23:09:05 +00:00 · 2021-10-17 19:09:18 -06:00 · 2021-10-17 19:09:18 -06:00 · 644928314a · 2024-07-18 02:04:02 +09:00
commit 644928314a
parent 4ffee78146
5 changed files with 214 additions and 0 deletions
--- a/Userland/Libraries/LibDeviceTree/Validation.h
+++ b/Userland/Libraries/LibDeviceTree/Validation.h
@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2021, Andrew Kaster <akaster@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibDeviceTree/FlattenedDeviceTree.h>
+
+namespace DeviceTree {
+
+enum class Verbose {
+    No,
+    Yes
+};
+
+bool validate_flattened_device_tree(FlattenedDeviceTreeHeader const& header, u8 const* blob_start, size_t blob_size, Verbose = Verbose::No);
+
+bool dump(FlattenedDeviceTreeHeader const& header, u8 const* blob_start, size_t blob_size);
+
+}