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230 lines
8.5 KiB
230 lines
8.5 KiB
#[cfg(feature = "test")]
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use std::ffi::OsStr;
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use std::{env, path::PathBuf, process::Command};
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fn main() {
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generate_qstr_bindings();
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generate_micropython_bindings();
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#[cfg(feature = "test")]
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link_core_objects();
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}
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/// Generates Rust module that exports QSTR constants used in firmware.
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fn generate_qstr_bindings() {
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let out_path = env::var("OUT_DIR").unwrap();
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// Tell cargo to invalidate the built crate whenever the header changes.
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println!("cargo:rerun-if-changed=qstr.h");
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bindgen::Builder::default()
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.header("qstr.h")
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// Build the Qstr enum as a newtype so we can define method on it.
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.default_enum_style(bindgen::EnumVariation::NewType { is_bitfield: false })
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// Pass in correct include paths.
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.clang_args(&[
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"-I",
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if is_firmware() {
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"../../build/firmware"
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} else {
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"../../build/unix"
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},
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])
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// Customize the standard types.
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.use_core()
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.ctypes_prefix("cty")
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.size_t_is_usize(true)
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// Tell cargo to invalidate the built crate whenever any of the
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// included header files change.
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.parse_callbacks(Box::new(bindgen::CargoCallbacks))
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.generate()
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.expect("Unable to generate Rust QSTR bindings")
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.write_to_file(PathBuf::from(out_path).join("qstr.rs"))
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.unwrap();
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}
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fn generate_micropython_bindings() {
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let out_path = env::var("OUT_DIR").unwrap();
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// Tell cargo to invalidate the built crate whenever the header changes.
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println!("cargo:rerun-if-changed=micropython.h");
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let mut bindings = bindgen::Builder::default()
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.header("micropython.h")
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// obj
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.new_type_alias("mp_obj_t")
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.allowlist_type("mp_obj_type_t")
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.allowlist_type("mp_obj_base_t")
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.allowlist_function("mp_obj_new_int")
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.allowlist_function("mp_obj_new_int_from_ll")
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.allowlist_function("mp_obj_new_int_from_ull")
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.allowlist_function("mp_obj_new_int_from_uint")
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.allowlist_function("mp_obj_new_bytes")
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.allowlist_function("mp_obj_new_str")
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.allowlist_function("mp_obj_new_tuple")
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.allowlist_function("mp_obj_get_int_maybe")
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.allowlist_function("mp_obj_is_true")
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.allowlist_function("mp_call_function_n_kw")
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.allowlist_function("trezor_obj_get_ll_checked")
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.allowlist_function("trezor_obj_get_ull_checked")
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.allowlist_function("trezor_obj_str_from_rom_text")
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// buffer
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.allowlist_function("mp_get_buffer")
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.allowlist_var("MP_BUFFER_READ")
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.allowlist_var("MP_BUFFER_WRITE")
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.allowlist_var("MP_BUFFER_RW")
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.allowlist_var("mp_type_str")
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// dict
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.allowlist_type("mp_obj_dict_t")
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.allowlist_function("mp_obj_new_dict")
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.allowlist_function("mp_obj_dict_store")
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.allowlist_var("mp_type_dict")
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// fun
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.allowlist_type("mp_obj_fun_builtin_fixed_t")
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.allowlist_var("mp_type_fun_builtin_1")
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.allowlist_var("mp_type_fun_builtin_2")
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.allowlist_var("mp_type_fun_builtin_3")
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.allowlist_type("mp_obj_fun_builtin_var_t")
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.allowlist_var("mp_type_fun_builtin_var")
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// gc
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.allowlist_function("gc_alloc")
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// iter
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.allowlist_type("mp_obj_iter_buf_t")
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.allowlist_function("mp_getiter")
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.allowlist_function("mp_iternext")
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// list
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.allowlist_type("mp_obj_list_t")
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.allowlist_function("mp_obj_new_list")
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.allowlist_function("mp_obj_list_append")
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.allowlist_var("mp_type_list")
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// map
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.allowlist_type("mp_map_elem_t")
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.allowlist_type("mp_map_lookup_kind_t")
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.allowlist_function("mp_map_init")
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.allowlist_function("mp_map_init_fixed_table")
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.allowlist_function("mp_map_lookup")
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// exceptions
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.allowlist_function("nlr_jump")
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.allowlist_function("mp_obj_new_exception")
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.allowlist_function("mp_obj_new_exception_args")
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.allowlist_function("trezor_obj_call_protected")
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.allowlist_var("mp_type_AttributeError")
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.allowlist_var("mp_type_KeyError")
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.allowlist_var("mp_type_MemoryError")
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.allowlist_var("mp_type_OverflowError")
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.allowlist_var("mp_type_ValueError")
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.allowlist_var("mp_type_TypeError")
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// time
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.allowlist_function("mp_hal_ticks_ms")
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.allowlist_function("mp_hal_delay_ms")
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// typ
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.allowlist_var("mp_type_type")
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// module
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.allowlist_type("mp_obj_module_t")
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.allowlist_var("mp_type_module");
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// `ffi::mp_map_t` type is not allowed to be `Clone` or `Copy` because we tie it
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// to the data lifetimes with the `MapRef` type, see `src/micropython/map.rs`.
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// TODO: We should disable `Clone` and `Copy` for all types and only allow-list
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// the specific cases we require.
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bindings = bindings.no_copy("_mp_map_t");
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// Pass in correct include paths and defines.
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if is_firmware() {
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bindings = bindings.clang_args(&[
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"-nostdinc",
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"-I../firmware",
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"-I../trezorhal",
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"-I../../build/firmware",
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"-I../../vendor/micropython",
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"-I../../vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Inc",
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"-I../../vendor/micropython/lib/stm32lib/CMSIS/STM32F4xx/Include",
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"-I../../vendor/micropython/lib/cmsis/inc",
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"-DTREZOR_MODEL_T",
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"-DSTM32F405xx",
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"-DUSE_HAL_DRIVER",
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"-DSTM32_HAL_H=<stm32f4xx.h>",
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]);
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// Append gcc-arm-none-eabi's include paths.
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let cc_output = Command::new("arm-none-eabi-gcc")
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.arg("-E")
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.arg("-Wp,-v")
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.arg("-")
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.output()
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.expect("arm-none-eabi-gcc failed to execute");
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if !cc_output.status.success() {
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panic!("arm-none-eabi-gcc failed");
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}
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let include_paths =
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String::from_utf8(cc_output.stderr).expect("arm-none-eabi-gcc returned invalid output");
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let include_args = include_paths
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.lines()
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.skip_while(|s| !s.contains("search starts here:"))
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.take_while(|s| !s.contains("End of search list."))
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.filter(|s| s.starts_with(' '))
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.map(|s| format!("-I{}", s.trim()));
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bindings = bindings.clang_args(include_args);
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} else {
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bindings = bindings.clang_args(&[
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"-I../unix",
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"-I../../build/unix",
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"-I../../vendor/micropython",
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"-I../../vendor/micropython/ports/unix",
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]);
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}
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bindings
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// Customize the standard types.
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.use_core()
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.ctypes_prefix("cty")
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.size_t_is_usize(true)
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// Disable the layout tests. They spew out a lot of code-style bindings, and are not too
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// relevant for our use-case.
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.layout_tests(false)
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// Tell cargo to invalidate the built crate whenever any of the
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// included header files change.
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.parse_callbacks(Box::new(bindgen::CargoCallbacks))
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// Write the bindings to a file in the OUR_DIR.
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.generate()
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.expect("Unable to generate Rust Micropython bindings")
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.write_to_file(PathBuf::from(out_path).join("micropython.rs"))
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.unwrap();
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}
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fn is_firmware() -> bool {
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let target = env::var("TARGET").unwrap();
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target.starts_with("thumbv7")
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}
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#[cfg(feature = "test")]
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fn link_core_objects() {
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let crate_path = env::var("CARGO_MANIFEST_DIR").unwrap();
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let build_path = format!("{}/../../build/unix", crate_path);
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// List of object filenames to ignore in the `embed` directory
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let embed_blocklist = [OsStr::new("main_main.o")];
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// Collect all objects that the `core` library uses, and link it in. We have to
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// make sure to avoid the object with the `_main` symbol, so we don't get any
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// duplicates.
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let mut cc = cc::Build::new();
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for obj in glob::glob(&format!("{}/embed/**/*.o", build_path)).unwrap() {
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let obj = obj.unwrap();
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if embed_blocklist.contains(&obj.file_name().unwrap()) {
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// Ignore.
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} else {
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cc.object(obj);
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}
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}
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for obj in glob::glob(&format!("{}/vendor/**/*.o", build_path)).unwrap() {
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let obj = obj.unwrap();
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cc.object(obj);
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}
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// Compile all the objects into a static library and link it in automatically.
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cc.compile("core_lib");
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println!("cargo:rustc-link-lib=SDL2");
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println!("cargo:rustc-link-lib=SDL2_image");
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}
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