diff --git a/.cargo/config.toml b/.cargo/config.toml
index f08e10e..6048004 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -14,5 +14,23 @@ rustflags = [
 linker = "ld.lld"
 rustflags = ["-C", "link-arg=-nostartfiles"]
 
+# Custom target for x86_64 kernel with higher-half memory layout
+# Used when building with --target x86_64-rint.json
+[target.x86_64-rint]
+rustflags = [
+  # Linker script for higher-half kernel (0xFFFFFFFF80000000)
+  "-C", "link-arg=-Tkernel/ld/link.ld",
+  # Static relocation model for bare-metal kernel
+  "-C", "relocation-model=static",
+  # Kernel code model required for high memory addresses (> 4GB)
+  "-C", "code-model=kernel",
+  # Disable red zone for interrupt safety
+  "-C", "no-redzone=yes",
+]
+
 [target.aarch64-unknown-linux-gnu]
-linker = "aarch64-linux-gnu-gcc"
\ No newline at end of file
+linker = "aarch64-linux-gnu-gcc"
+
+[unstable]
+build-std = ["core", "compiler_builtins", "alloc"]
+build-std-features = ["compiler-builtins-mem"]
\ No newline at end of file
diff --git a/kernel/.cargo/config.toml b/kernel/.cargo/config.toml
deleted file mode 100644
index 8db733e..0000000
--- a/kernel/.cargo/config.toml
+++ /dev/null
@@ -1,16 +0,0 @@
-[build]
-target = "x86_64-rint.json"
-
-[target."x86_64-rint.json"]
-rustflags = [
-  # 关键：脚本路径相对于 kernel 包根目录
-  "-Clink-arg=-Tld/link.ld",
-  # 建议：静态重定位，避免产生不适合内核的绝对寻址/PLT
-  "-C", "relocation-model=static",
-  "-C", "no-redzone=yes",
-]
-
-
-[unstable]
-build-std = ["core", "compiler_builtins", "alloc"]
-build-std-features = ["compiler-builtins-mem"]
\ No newline at end of file