From ed1d74505c2c0f10e57099ad11a12d2d01dd654b Mon Sep 17 00:00:00 2001
From: xuchang-vivo <72209398@vivo.com>
Date: Mon, 11 May 2026 20:04:54 +0800
Subject: [PATCH] feat: add DTS include support for build-time device tree
 generation

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
---
 kernel/BUILD.gn                       | 8 ++++++++
 kernel/src/boards/qemu_riscv64/mod.rs | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/kernel/BUILD.gn b/kernel/BUILD.gn
index 06ef5d307..2b3bcbcf4 100644
--- a/kernel/BUILD.gn
+++ b/kernel/BUILD.gn
@@ -91,6 +91,10 @@ build_rust("kernel_unittest") {
   cfgs = _kernel_default_cfgs
   deps = _shared_deps
   deps += [ "//external/vendor/semihosting-0.1.20:semihosting" ]
+  if (defined(dts_file)) {
+    deps += [ "//build/boards/${board}:dts_gen_${board}" ]
+    rustenv += [ "DTS_OUT_DIR=${dts_out_dir}" ]
+  }
   configs += [
     "//kernel/kconfig:kconfigs",
     "//build/boards/${board}:kernel_config",
@@ -159,6 +163,10 @@ build_rust("blueos") {
   rustenv = [ "TARGET_BOARD=${board}" ]
   cfgs = _kernel_default_cfgs
   deps = _shared_deps
+  if (defined(dts_file)) {
+    deps += [ "//build/boards/${board}:dts_gen_${board}" ]
+    rustenv += [ "DTS_OUT_DIR=${dts_out_dir}" ]
+  }
   public_deps = board_deps
   public_deps += [ "//kernel/kconfig:generate_rustflags_file" ]
   public_configs += [
diff --git a/kernel/src/boards/qemu_riscv64/mod.rs b/kernel/src/boards/qemu_riscv64/mod.rs
index b8381ebd1..f78fff166 100644
--- a/kernel/src/boards/qemu_riscv64/mod.rs
+++ b/kernel/src/boards/qemu_riscv64/mod.rs
@@ -20,6 +20,10 @@
 // SPDX-License-Identifier: MIT
 
 mod config;
+/// Device tree generated modules (build-time).
+pub mod dts {
+    include!(concat!(env!("DTS_OUT_DIR"), "/mod.rs"));
+}
 use crate::{
     arch,
     arch::riscv::{local_irq_enabled, trap_entry, Context},