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nuttx-apps/cmake/nuttx_add_rust.cmake at master · apache/nuttx-apps · GitHub
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#
##############################################################################
#
cmake/nuttx_add_rust.cmake
#
#
Licensed to the Apache Software Foundation (ASF) under one or more contributor
#
license agreements. See the NOTICE file distributed with this work for
#
additional information regarding copyright ownership. The ASF licenses this
#
file to you under the Apache License, Version 2.0 (the "License"); you may not
#
use this file except in compliance with the License. You may obtain a copy of
#
the License at
#
#
http://www.apache.org/licenses/LICENSE-2.0
#
#
Unless required by applicable law or agreed to in writing, software
#
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#
License for the specific language governing permissions and limitations under
#
the License.
#
#
##############################################################################
include
(
nuttx_parse_function_args
)
#
~~~
#
Convert architecture type to Rust NuttX target
#
#
Supported architectures:
#
- armv7a: armv7a-nuttx-eabi, armv7a-nuttx-eabihf
#
- thumbv6m: thumbv6m-nuttx-eabi
#
- thumbv7a: thumbv7a-nuttx-eabi, thumbv7a-nuttx-eabihf
#
- thumbv7m: thumbv7m-nuttx-eabi
#
- thumbv7em: thumbv7em-nuttx-eabihf
#
- thumbv8m.main: thumbv8m.main-nuttx-eabi, thumbv8m.main-nuttx-eabihf
#
- thumbv8m.base: thumbv8m.base-nuttx-eabi, thumbv8m.base-nuttx-eabihf
#
- riscv32: riscv32imc/imac/imafc-unknown-nuttx-elf
#
- riscv64: riscv64imac/imafdc-unknown-nuttx-elf
#
- x86: i686-unknown-nuttx
#
- x86_64: x86_64-unknown-nuttx-macho for sim on macOS,
#
x86_64-unknown-nuttx otherwise
#
- aarch64: aarch64-unknown-nuttx-macho for sim on macOS,
#
aarch64-unknown-nuttx otherwise
#
#
Inputs:
#
ARCHTYPE - Architecture type (e.g. thumbv7m, riscv32)
#
ABITYPE - ABI type (e.g. eabi, eabihf)
#
CPUTYPE - CPU type (e.g. cortex-m4, sifive-e20)
#
#
Output:
#
OUTPUT - Rust target triple (e.g. riscv32imac-unknown-nuttx-elf,
#
thumbv7m-nuttx-eabi, thumbv7em-nuttx-eabihf)
#
~~~
function
(
nuttx_rust_target_triple
ARCHTYPE
ABITYPE
CPUTYPE
OUTPUT
)
if
(ARCHTYPE
STREQUAL
"x86_64"
)
if
(CONFIG_ARCH_SIM
AND
CONFIG_HOST_MACOS)
set
(TARGET_TRIPLE
"
${
PROJECT_SOURCE_DIR
}
/tools/x86_64-unknown-nuttx-macho.json"
)
else
()
set
(TARGET_TRIPLE
"
${
PROJECT_SOURCE_DIR
}
/tools/x86_64-unknown-nuttx.json"
)
endif
()
elseif
(ARCHTYPE
STREQUAL
"x86"
)
set
(TARGET_TRIPLE
"
${
PROJECT_SOURCE_DIR
}
/tools/i486-unknown-nuttx.json"
)
elseif
(ARCHTYPE
STREQUAL
"aarch64"
)
if
(CONFIG_ARCH_SIM
AND
CONFIG_HOST_MACOS)
set
(TARGET_TRIPLE
"
${
PROJECT_SOURCE_DIR
}
/tools/aarch64-unknown-nuttx-macho.json"
)
else
()
set
(TARGET_TRIPLE
"
${
PROJECT_SOURCE_DIR
}
/tools/aarch64-unknown-nuttx.json"
)
endif
()
elseif
(ARCHTYPE
MATCHES
"thumb"
)
if
(ARCHTYPE
MATCHES
"thumbv8m"
)
#
Extract just the base architecture type (thumbv8m.main or thumbv8m.base)
if
(ARCHTYPE
MATCHES
"thumbv8m.main"
)
set
(ARCH_BASE
"thumbv8m.main"
)
elseif
(ARCHTYPE
MATCHES
"thumbv8m.base"
)
set
(ARCH_BASE
"thumbv8m.base"
)
else
()
#
Otherwise determine if we should use thumbv8m.main or thumbv8m.base
#
based on CPU type
if
(CPUTYPE
MATCHES
"cortex-m23"
)
set
(ARCH_BASE
"thumbv8m.base"
)
else
()
set
(ARCH_BASE
"thumbv8m.main"
)
endif
()
endif
()
set
(TARGET_TRIPLE
"
${ARCH_BASE}
-nuttx-
${ABITYPE}
"
)
else
()
set
(TARGET_TRIPLE
"
${ARCHTYPE}
-nuttx-
${ABITYPE}
"
)
endif
()
elseif
(ARCHTYPE
STREQUAL
"riscv32"
)
if
(CPUTYPE
STREQUAL
"sifive-e20"
)
set
(TARGET_TRIPLE
"riscv32imc-unknown-nuttx-elf"
)
elseif
(CPUTYPE
STREQUAL
"sifive-e31"
)
set
(TARGET_TRIPLE
"riscv32imac-unknown-nuttx-elf"
)
elseif
(CPUTYPE
STREQUAL
"sifive-e76"
)
set
(TARGET_TRIPLE
"riscv32imafc-unknown-nuttx-elf"
)
else
()
set
(TARGET_TRIPLE
"riscv32imc-unknown-nuttx-elf"
)
endif
()
elseif
(ARCHTYPE
STREQUAL
"riscv64"
)
if
(CPUTYPE
STREQUAL
"sifive-s51"
)
set
(TARGET_TRIPLE
"riscv64imac-unknown-nuttx-elf"
)
elseif
(CPUTYPE
STREQUAL
"sifive-u54"
)
set
(TARGET_TRIPLE
"riscv64imafdc-unknown-nuttx-elf"
)
else
()
set
(TARGET_TRIPLE
"riscv64imac-unknown-nuttx-elf"
)
endif
()
endif
()
if
(
NOT
TARGET_TRIPLE)
message
(
FATAL_ERROR
"Unsupported Rust target: LLVM_ARCHTYPE=
${ARCHTYPE}
, LLVM_ABITYPE=
${ABITYPE}
, LLVM_CPUTYPE=
${CPUTYPE}
"
)
endif
()
set
(
${OUTPUT}
${TARGET_TRIPLE}
PARENT_SCOPE
)
endfunction
()
#
~~~
#
nuttx_add_rust
#
#
Description:
#
Build a Rust crate and add it as a static library to the NuttX build system
#
#
Example:
#
nuttx_add_rust(
#
CRATE_NAME
#
hello
#
CRATE_PATH
#
${CMAKE_CURRENT_SOURCE_DIR}/hello
#
FEATURES
#
sim
#
)
#
~~~
function
(
nuttx_add_rust
)
#
parse arguments into variables
nuttx_parse_function_args
(
FUNC
nuttx_add_rust
ONE_VALUE
CRATE_NAME
CRATE_PATH
MULTI_VALUE
FEATURES
REQUIRED
CRATE_NAME
CRATE_PATH
ARGN
${ARGN}
)
#
Determine build profile based on CONFIG_DEBUG_FULLOPT
if
(CONFIG_DEBUG_FULLOPT)
set
(RUST_PROFILE_FLAG
"--release"
)
set
(RUST_PROFILE
"release"
)
set
(RUST_PANIC_FLAGS
"-Zunstable-options -Cpanic=immediate-abort"
)
else
()
set
(RUST_PROFILE_FLAG
""
)
set
(RUST_PROFILE
"debug"
)
set
(RUST_PANIC_FLAGS
""
)
endif
()
foreach
(feature
${FEATURES}
)
list
(
APPEND
RUST_FEATURE_FLAGS --features
${feature}
)
endforeach
()
#
Get the Rust target triple
nuttx_rust_target_triple
(
${LLVM_ARCHTYPE}
${LLVM_ABITYPE}
${LLVM_CPUTYPE}
RUST_TARGET
)
#
Get binary directory path using target triple base name if it's a JSON file
if
(RUST_TARGET
MATCHES
".json$"
)
get_filename_component
(
TARGET_BASE
${RUST_TARGET}
NAME_WE
)
else
()
set
(TARGET_BASE
${RUST_TARGET}
)
endif
()
set
(RUST_BUILD_DIR
${
CMAKE_CURRENT_BINARY_DIR
}
/
${CRATE_NAME}
/target)
set
(RUST_LIB_PATH
${RUST_BUILD_DIR}
/
${TARGET_BASE}
/
${RUST_PROFILE}
/lib
${CRATE_NAME}
.a)
#
Create build directory
file
(
MAKE_DIRECTORY
${RUST_BUILD_DIR}
)
#
Collect Rust source files and manifests as dependencies so that changes in
#
the crate trigger a rebuild via CMake/Ninja.
file
(
GLOB_RECURSE
RUST_CRATE_SOURCES
CONFIGURE_DEPENDS
"
${CRATE_PATH}
/Cargo.toml"
"
${CRATE_PATH}
/Cargo.lock"
"
${CRATE_PATH}
/build.rs"
"
${CRATE_PATH}
/src/*.rs"
"
${CRATE_PATH}
/src/**/*.rs"
)
#
Add a custom command to build the Rust crate
add_custom_command
(
OUTPUT
${RUST_LIB_PATH}
COMMAND
${
CMAKE_COMMAND
}
-E
env
NUTTX_INCLUDE_DIR=${PROJECT_SOURCE_DIR}/include:${NUTTX_BINARY_DIR}/include:${NUTTX_BINARY_DIR}/include/arch
RUSTFLAGS=${RUST_PANIC_FLAGS}
cargo
build
${RUST_PROFILE_FLAG}
-Zbuild-std=std,panic_abort
-Zjson-target-spec
--manifest-path
${CRATE_PATH}
/Cargo.toml
--target
${RUST_TARGET}
--target-dir
${RUST_BUILD_DIR}
${RUST_FEATURE_FLAGS}
DEPENDS
${RUST_CRATE_SOURCES}
COMMENT
"Building Rust crate
${CRATE_NAME}
"
VERBATIM
)
#
Add a custom target that depends on the built library
add_custom_target
(
${CRATE_NAME}
_build
ALL
DEPENDS
${RUST_LIB_PATH}
)
#
Add imported library target
add_library
(
${CRATE_NAME}
STATIC
IMPORTED
GLOBAL
)
set_target_properties
(
${CRATE_NAME}
PROPERTIES
IMPORTED_LOCATION
${RUST_LIB_PATH}
)
#
Add the Rust library to NuttX build
nuttx_add_extra_library
(
${RUST_LIB_PATH}
)
#
Ensure the Rust library is built before linking
add_dependencies
(
${CRATE_NAME}
${CRATE_NAME}
_build
)
endfunction
()
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