always-$(CONFIG_RUST) += exports_alloc_generated.h exports_bindings_generated.h \
exports_kernel_generated.h
+always-$(CONFIG_RUST) += uapi/uapi_generated.rs
+obj-$(CONFIG_RUST) += uapi.o
+
ifdef CONFIG_RUST_BUILD_ASSERT_ALLOW
obj-$(CONFIG_RUST) += build_error.o
else
rustdoc-kernel: private rustc_target_flags = --extern alloc \
--extern build_error --extern macros=$(objtree)/$(obj)/libmacros.so \
- --extern bindings
+ --extern bindings --extern uapi
rustdoc-kernel: $(src)/kernel/lib.rs rustdoc-core rustdoc-macros \
rustdoc-compiler_builtins rustdoc-alloc $(obj)/libmacros.so \
$(obj)/bindings.o FORCE
rusttestlib-bindings: $(src)/bindings/lib.rs rusttest-prepare FORCE
$(call if_changed,rustc_test_library)
+rusttestlib-uapi: $(src)/uapi/lib.rs rusttest-prepare FORCE
+ $(call if_changed,rustc_test_library)
+
quiet_cmd_rustdoc_test = RUSTDOC T $<
cmd_rustdoc_test = \
OBJTREE=$(abspath $(objtree)) \
$(call if_changed,rustdoc_test)
rusttest-kernel: private rustc_target_flags = --extern alloc \
- --extern build_error --extern macros --extern bindings
+ --extern build_error --extern macros --extern bindings --extern uapi
rusttest-kernel: $(src)/kernel/lib.rs rusttest-prepare \
- rusttestlib-build_error rusttestlib-macros rusttestlib-bindings FORCE
+ rusttestlib-build_error rusttestlib-macros rusttestlib-bindings \
+ rusttestlib-uapi FORCE
$(call if_changed,rustc_test)
$(call if_changed,rustc_test_library)
$(src)/bindgen_parameters FORCE
$(call if_changed_dep,bindgen)
+$(obj)/uapi/uapi_generated.rs: private bindgen_target_flags = \
+ $(shell grep -v '^#\|^$$' $(srctree)/$(src)/bindgen_parameters)
+$(obj)/uapi/uapi_generated.rs: $(src)/uapi/uapi_helper.h \
+ $(src)/bindgen_parameters FORCE
+ $(call if_changed_dep,bindgen)
+
# See `CFLAGS_REMOVE_helpers.o` above. In addition, Clang on C does not warn
# with `-Wmissing-declarations` (unlike GCC), so it is not strictly needed here
# given it is `libclang`; but for consistency, future Clang changes and/or
$(obj)/bindings/bindings_helpers_generated.rs FORCE
$(call if_changed_dep,rustc_library)
+$(obj)/uapi.o: $(src)/uapi/lib.rs \
+ $(obj)/compiler_builtins.o \
+ $(obj)/uapi/uapi_generated.rs FORCE
+ $(call if_changed_dep,rustc_library)
+
$(obj)/kernel.o: private rustc_target_flags = --extern alloc \
- --extern build_error --extern macros --extern bindings
+ --extern build_error --extern macros --extern bindings --extern uapi
$(obj)/kernel.o: $(src)/kernel/lib.rs $(obj)/alloc.o $(obj)/build_error.o \
- $(obj)/libmacros.so $(obj)/bindings.o FORCE
+ $(obj)/libmacros.so $(obj)/bindings.o $(obj)/uapi.o FORCE
$(call if_changed_dep,rustc_library)
endif # CONFIG_RUST
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+
+//! UAPI Bindings.
+//!
+//! Contains the bindings generated by `bindgen` for UAPI interfaces.
+//!
+//! This crate may be used directly by drivers that need to interact with
+//! userspace APIs.
+
+#![no_std]
+#![feature(core_ffi_c)]
+// See <https://github.com/rust-lang/rust-bindgen/issues/1651>.
+#![cfg_attr(test, allow(deref_nullptr))]
+#![cfg_attr(test, allow(unaligned_references))]
+#![cfg_attr(test, allow(unsafe_op_in_unsafe_fn))]
+#![allow(
+ clippy::all,
+ missing_docs,
+ non_camel_case_types,
+ non_upper_case_globals,
+ non_snake_case,
+ improper_ctypes,
+ unreachable_pub,
+ unsafe_op_in_unsafe_fn
+)]
+
+include!(concat!(env!("OBJTREE"), "/rust/uapi/uapi_generated.rs"));