zephyr: win32 host

konan/platforms/zephyr/stm32f4_disco

@@ -34,3 +34,9 @@ dependencies.osx-zephyr_stm32f4_disco = \
     gcc-arm-none-eabi-7-2017-q4-major-mac \
     clang-llvm-5.0.0-darwin-macos \
     target-sysroot-2-wasm
+
+targetToolchain.mingw-zephyr_stm32f4_disco = gcc-arm-none-eabi-7-2017-q4-major-win32/arm-none-eabi
+dependencies.mingw-zephyr_stm32f4_disco = \
+    msys2-mingw-w64-x86_64-gcc-7.2.0-clang-llvm-5.0.0-windows-x86-64 \
+    gcc-arm-none-eabi-7-2017-q4-major-win32 \
+    target-sysroot-2-wasm

samples/zephyr/CMakeLists.txt

@@ -15,5 +15,7 @@ set_source_files_properties(program.o PROPERTIES EXTERNAL_OBJECT true GENERATED
 
 add_custom_command(
   OUTPUT program.o
-  COMMAND cp kotlin/program.o program.o
+  COMMAND ${CMAKE_COMMAND} -E copy
+    ${CMAKE_BINARY_DIR}/kotlin/program.o
+    ${CMAKE_BINARY_DIR}/program.o
 )

samples/zephyr/build.bat

@@ -0,0 +1,55 @@
+@echo off
+setlocal
+
+set BOARD=stm32f4_disco
+set ZEPHYR_BASE=%userprofile%\zephyr
+set TOOLCHAIN=gcc-arm-none-eabi-7-2017-q4-major-win32
+
+set DIR=%~dp0
+set KONAN_USER_DIR=%userprofile%/.konan
+set KONAN_DEPS=%KONAN_USER_DIR%/dependencies
+set GCC_ARM=%KONAN_DEPS%/%TOOLCHAIN%
+set ZEPHYR_TOOLCHAIN_VARIANT=gccarmemb
+set GCCARMEMB_TOOLCHAIN_PATH=%GCC_ARM%
+
+if defined KONAN_HOME (
+    set "PATH=%KONAN_HOME%\bin;%PATH%"
+) else (
+    set "PATH=%DIR%..\..\dist\bin;%DIR%..\..\bin;%PATH%"
+)
+
+if not exist build\ (mkdir build)
+cd build
+
+if not exist CMakeCache.txt (cmake -GNinja -DBOARD=%BOARD% .. || exit /b)
+
+:: We need generated headers to be consumed by `cinterop`,
+:: so we preconfigure the project with `make zephyr`.
+ninja zephyr
+
+call %DIR%\c_interop\platforms\%BOARD%.bat
+
+del program.o
+
+mkdir %DIR%\build\kotlin
+
+call konanc %DIR%/src/main.kt ^
+        -target zephyr_%BOARD% ^
+        -r %DIR%/c_interop/platforms/build ^
+        -l %BOARD% ^
+        -opt -g -o %DIR%/build/kotlin/program || exit /b
+
+ninja || exit /b
+
+:: ninja flash
+::
+:: For our STM32 boards the OpenOCD unable to flash the binary,
+:: so we go with the following alternative utility:
+
+echo.
+echo Now run 'ninja flash' to flash the .bin to the card.
+echo.
+echo Or, if that doesn't work, like, for example if you have an stm32f4-disco,
+echo run the following command:
+echo st-flash --reset write build/zephyr/zephyr.bin 0x08000000
+echo.

samples/zephyr/c_interop/platforms/stm32f4_disco.bat

@@ -0,0 +1,46 @@
+:: Copyright 2010-2017 JetBrains s.r.o.
+::
+:: Licensed 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.
+
+:: This is board specific.
+
+if "%BOARD%" == "" (
+    echo This script is to be included by build.bat
+    exit /b
+)
+
+:: TODO: we need a robust automated way to ask Zephyr for
+:: all these $ZEPHYR_BASE based paths and the proper defines.
+:: TODO: The D flag in `-copt -Dxxx` sequence is interpreted to be a jvm property,
+:: so we workaround the using -Xclang.
+
+call cinterop -def %DIR%/c_interop/platforms/%BOARD%.def ^
+        -pkg platform.zephyr.%BOARD% ^
+        -copt "-Xclang -DSTM32F407xx" ^
+        -copt -I%ZEPHYR_BASE%/kernel/include ^
+        -copt -I%ZEPHYR_BASE%/arch/arm/include ^
+        -copt -I%ZEPHYR_BASE%/arch/arm/soc/st_stm32/stm32f4 ^
+        -copt -I%ZEPHYR_BASE%/arch/arm/soc/st_stm32/stm32f4/include ^
+        -copt -I%ZEPHYR_BASE%/arch/arm/soc/st_stm32/include ^
+        -copt -I%ZEPHYR_BASE%/boards/arm/%BOARD% ^
+        -copt -I%ZEPHYR_BASE%/include ^
+        -copt -I%ZEPHYR_BASE%/include/drivers ^
+        -copt -I%ZEPHYR_BASE%/ext/hal/cmsis/Include ^
+        -copt -I%ZEPHYR_BASE%/ext/hal/st/stm32cube/stm32f4xx/soc ^
+        -copt -I%ZEPHYR_BASE%/ext/hal/st/stm32cube/stm32f4xx/drivers/include ^
+        -copt -I%ZEPHYR_BASE%/ext/hal/st/stm32cube/stm32f4xx/drivers/include/Legacy ^
+        -copt -I%ZEPHYR_BASE%/drivers ^
+        -copt -I%DIR%/build/zephyr/include/generated ^
+        -copt -I%DIR%/build/zephyr/include/generated/syscalls ^
+        -o %DIR%/c_interop/platforms/build/%BOARD% ^
+        -target zephyr_%BOARD% || exit /b

shared/src/main/kotlin/org/jetbrains/kotlin/konan/target/KonanTarget.kt

@@ -164,7 +164,7 @@ open class HostManager(protected val distribution: Distribution = Distribution()
                 KonanTarget.MINGW -> listOf(
                     KonanTarget.MINGW,
                     KonanTarget.WASM32
-                ) 
+                ) + zephyrSubtargets
                 KonanTarget.MACBOOK -> listOf(
                     KonanTarget.MACBOOK,
                     KonanTarget.IPHONE,