diff options
Diffstat (limited to 'files/riscv_script/riscv-clang.cmake')
| -rw-r--r-- | files/riscv_script/riscv-clang.cmake | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/files/riscv_script/riscv-clang.cmake b/files/riscv_script/riscv-clang.cmake new file mode 100644 index 00000000..47dd5067 --- /dev/null +++ b/files/riscv_script/riscv-clang.cmake @@ -0,0 +1,52 @@ +set(CMAKE_CROSSCOMPILING TRUE) +set(CMAKE_SYSTEM_NAME "Linux") +set(CMAKE_SYSTEM_PROCESSOR "riscv64") + +option(USE_RVV "Enable riscv vector or not." ON) +option(USE_AUTO_VECTORIZER "Enable riscv auto vectorizer or not." OFF) + +# Avoid to use system path for cross-compile +set(CMAKE_FIND_USE_CMAKE_SYSTEM_PATH FALSE) + +set(TOOLCHAIN_PATH "" CACHE STRING "The toolcahin path.") +if(NOT TOOLCHAIN_PATH) + set(TOOLCHAIN_PATH ${CMAKE_SOURCE_DIR}/build-toolchain-qemu/riscv-clang) +endif() + +set(TOOLCHAIN_PREFIX "riscv64-unknown-linux-gnu-" CACHE STRING "The toolcahin prefix.") + +# toolchain setting +set(CMAKE_C_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}clang") +set(CMAKE_CXX_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}clang++") + +# CMake will just use the host-side tools for the following tools, so we setup them here. +set(CMAKE_C_COMPILER_AR "${TOOLCHAIN_PATH}/bin/llvm-ar") +set(CMAKE_CXX_COMPILER_AR "${TOOLCHAIN_PATH}/bin/llvm-ar") +set(CMAKE_C_COMPILER_RANLIB "${TOOLCHAIN_PATH}/bin/llvm-ranlib") +set(CMAKE_CXX_COMPILER_RANLIB "${TOOLCHAIN_PATH}/bin/llvm-ranlib") +set(CMAKE_OBJDUMP "${TOOLCHAIN_PATH}/bin/llvm-objdump") +set(CMAKE_OBJCOPY "${TOOLCHAIN_PATH}/bin/llvm-objcopy") + +# compile options +message(STATUS "USE_RVV: ${USE_RVV}") +message(STATUS "USE_AUTO_VECTORIZER: ${USE_AUTO_VECTORIZER}") +set(RISCV_COMPILER_FLAGS) +if(USE_RVV) + list(APPEND RISCV_COMPILER_FLAGS "-march=rv64gcv") + if(NOT USE_AUTO_VECTORIZER) + # Disable auto-vectorizer + add_compile_options(-fno-vectorize -fno-slp-vectorize) + endif() +else() + list(APPEND RISCV_COMPILER_FLAGS "-march=rv64gc") +endif() +message(STATUS "RISCV_COMPILER_FLAGS: ${RISCV_COMPILER_FLAGS}") + +set(CMAKE_C_FLAGS "${RISCV_COMPILER_FLAGS} ${CMAKE_C_FLAGS}") +set(CMAKE_CXX_FLAGS "${RISCV_COMPILER_FLAGS} ${CMAKE_CXX_FLAGS}") + +set(RISCV_LINKER_FLAGS "-lstdc++ -lpthread -lm -ldl") +set(RISCV_LINKER_FLAGS_EXE) +set(CMAKE_SHARED_LINKER_FLAGS "${RISCV_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}") +set(CMAKE_MODULE_LINKER_FLAGS "${RISCV_LINKER_FLAGS} ${CMAKE_MODULE_LINKER_FLAGS}") +set(CMAKE_EXE_LINKER_FLAGS "${RISCV_LINKER_FLAGS} ${RISCV_LINKER_FLAGS_EXE} ${CMAKE_EXE_LINKER_FLAGS}") |