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Copy pathCMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 3.10 FATAL_ERROR)
cmake_policy(VERSION 3.10)
if(UNIX)
set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_EXECUTABLE_SUFFIX "")
elseif(WIN32)
set(CMAKE_SYSTEM_NAME Windows)
set(CMAKE_EXECUTABLE_SUFFIX ".exe")
endif()
set(bsp "${CMAKE_SOURCE_DIR}/bsp/hifive1b")
set(tools_dir "${CMAKE_SOURCE_DIR}/tools/${CMAKE_SYSTEM_NAME}")
set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")
set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
set(CMAKE_C_COMPILER "${tools_dir}/riscv64-unknown-elf-gcc/bin/riscv64-unknown-elf-gcc${CMAKE_EXECUTABLE_SUFFIX}")
set(CMAKE_CXX_COMPILER "${tools_dir}/riscv64-unknown-elf-gcc/bin/riscv64-unknown-elf-g++${CMAKE_EXECUTABLE_SUFFIX}")
set(CMAKE_ASM_COMPILER "${tools_dir}/riscv64-unknown-elf-gcc/bin/riscv64-unknown-elf-gcc${CMAKE_EXECUTABLE_SUFFIX}")
set(CMAKE_LINKER "${tools_dir}/riscv64-unknown-elf-gcc/bin/riscv64-unknown-elf-ld${CMAKE_EXECUTABLE_SUFFIX}")
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
project(cs2 VERSION 0.0.1 LANGUAGES C CXX ASM)
set(CMAKE_C_STANDARD 11)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_C_FLAGS_DEBUG "-g -O0")
set(CMAKE_C_FLAGS_RELEASE "-Os")
set(CMAKE_CXX_FLAGS_DEBUG "-g -O0")
set(CMAKE_CXX_FLAGS_RELEASE "-Os -fno-exceptions")
set(CMAKE_ASM_FLAGS_DEBUG ${CMAKE_C_FLAGS_DEBUG})
set(CMAKE_ASM_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE})
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} \
-nostdlib -nostartfiles -nodefaultlibs -march=rv32imac -mabi=ilp32 -mcmodel=medany \
-pedantic -pedantic-errors -Wall -Wextra -Wcast-align -Wcast-qual -Wdisabled-optimization \
-Wformat=2 -Winit-self -Wlogical-op -Wmissing-declarations -Wmissing-include-dirs \
-Wredundant-decls -Wshadow -Wsign-conversion -Wstrict-overflow=5 -Wswitch-default -Wundef \
-Werror -Wno-unused -Winline -Wconversion -Wfloat-equal -ffreestanding -fdata-sections \
-ffunction-sections -Wl,--gc-sections -specs=nano.specs -specs=nosys.specs")
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} ${CMAKE_C_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CPP_FLAGS} ${CMAKE_C_FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L\"${bsp}/\" -ffunction-sections \
-Wl,--gc-sections -nostartfiles -nodefaultlibs -nostdlib -T \
\"${CMAKE_SOURCE_DIR}/linker.ld\"")
macro(example name)
file(GLOB_RECURSE ${name}_SOURCES
"${CMAKE_SOURCE_DIR}/src/*.c"
"${CMAKE_SOURCE_DIR}/src/*.S"
"src/*.cpp"
"src/*.c"
"src/*.S"
"${bsp}/src/*.c"
"${bsp}/src/*.S"
)
file(GLOB_RECURSE ${name}_PUBLIC_HEADERS
"${CMAKE_SOURCE_DIR}/include/*.h"
"include/*.hpp"
"include/*.h"
)
file(GLOB_RECURSE ${name}_PRIVATE_HEADERS "src/*.h" "src/*.hpp")
add_executable(${name} ${${name}_SOURCES} ${${name}_PUBLIC_HEADERS} ${${name}_PRIVATE_HEADERS})
target_link_libraries(${name} c gcc stdc++ g m nosys)
target_include_directories(${name} PUBLIC "${CMAKE_SOURCE_DIR}/include/" "include" "${bsp}/include")
add_custom_target(${name}hex
ALL
BYPRODUCTS "${CMAKE_CURRENT_BINARY_DIR}/${name}.hex"
COMMAND ${tools_dir}/riscv64-unknown-elf-gcc/bin/riscv64-unknown-elf-objcopy${CMAKE_EXECUTABLE_SUFFIX} -S -O ihex $<TARGET_FILE:${name}> "${CMAKE_CURRENT_BINARY_DIR}/${name}.hex"
)
add_custom_target(${name}asm
ALL
BYPRODUCTS "${CMAKE_CURRENT_BINARY_DIR}/${name}.S"
COMMAND ${tools_dir}/riscv64-unknown-elf-gcc/bin/riscv64-unknown-elf-objdump${CMAKE_EXECUTABLE_SUFFIX} -dSC $<TARGET_FILE:${name}> > "${CMAKE_CURRENT_BINARY_DIR}/${name}.S"
)
set_target_properties(${name}hex PROPERTIES ADDITIONAL_CLEAN_FILES "${name}.hex")
set_target_properties(${name}asm PROPERTIES ADDITIONAL_CLEAN_FILES "${name}.S")
add_dependencies(${name}hex ${name})
add_dependencies(${name}asm ${name})
set_target_properties(${name} PROPERTIES LINK_DEPENDS "${CMAKE_SOURCE_DIR}/linker.ld")
set_target_properties(${name} PROPERTIES LINK_DEPENDS "${bsp}/sections.ld")
set_target_properties(${name} PROPERTIES LINK_DEPENDS "${bsp}/memory.ld")
set_target_properties(${name} PROPERTIES LINK_DEPENDS "${bsp}/stack_heap.ld")
set_target_properties(${name} PROPERTIES LINK_DEPENDS "${bsp}/global_ptr.ld")
endmacro(example)
add_subdirectory(examples)