set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_VERSION 1)
set(CMAKE_TRY_COMPILE_TARGET_TYPE "STATIC_LIBRARY")
cmake_minimum_required(VERSION 3.20)

# 工具链设置
set(TOOLPATH  C:/1.MyFile/MounRiver/MounRiver_Studio/toolchain/RISC-V-Embedded-GCC/bin/riscv-none-embed-)
if (WIN32)
    MESSAGE(STATUS "Now is windows!")
    set(CMAKE_C_COMPILER ${TOOLPATH}gcc.exe)
    set(CMAKE_CXX_COMPILER ${TOOLPATH}g++.exe)
    set(CMAKE_ASM_COMPILER ${TOOLPATH}gcc.exe)
    set(CMAKE_AR ${TOOLPATH}ar.exe)
    set(CMAKE_OBJCOPY ${TOOLPATH}objcopy.exe)
    set(CMAKE_OBJDUMP ${TOOLPATH}objdump.exe)
    set(SIZE ${TOOLPATH}size.exe)
elseif (UNIX)
    MESSAGE(STATUS "Now is UNIX-like OS!")
    set(CMAKE_C_COMPILER ${TOOLPATH}gcc)
    set(CMAKE_CXX_COMPILER ${TOOLPATH}g++)
    set(CMAKE_ASM_COMPILER ${TOOLPATH}gcc)
    set(CMAKE_AR ${TOOLPATH}ar)
    set(CMAKE_OBJCOPY ${TOOLPATH}objcopy)
    set(CMAKE_OBJDUMP ${TOOLPATH}objdump)
    set(SIZE ${TOOLPATH}size)
else ()
    MESSAGE(STATUS "Unsupported system!")
endif ()

set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)

# 项目设置

project(CH58x C CXX ASM)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_C_STANDARD 99)

# 编译参数 一般不用改
add_compile_options(-march=rv32imac -mabi=ilp32 -mcmodel=medany -msmall-data-limit=8 -mno-save-restore -std=gnu99)
add_compile_options(-fmessage-length=0 -fsigned-char -ffunction-sections -fdata-sections -fno-common)

# 编译等级
add_compile_options(-O0)
# 编译信息等级
add_compile_options(-Wall)

add_compile_definitions(
#        __INTERRUPT
)
include_directories(
        SysDrives/RVMSIS
        SysDrives/StdPeriphDriver/inc
        SysDrives/BLE_LIB
        App/inc
)
file(GLOB_RECURSE SOURCES
        "SysDrives/Startup/*.S"
        "App/main.c"
        "SysDrives/RVMSIS/*.c"
        "SysDrives/StdPeriphDriver/*.c"
)

# 链接参数
set(LINKER_SCRIPT  ${CMAKE_SOURCE_DIR}/SysDrives/Ld/Link.ld)
add_link_options(-nostartfiles
        -Xlinker --gc-sections
        -Wl,--print-memory-usage
        -Wl,-Map,${PROJECT_NAME}.map
        --specs=nano.specs
        --specs=nosys.specs)
add_link_options(-T ${LINKER_SCRIPT})

# 编译可执行文件
add_executable(${PROJECT_NAME}.elf ${SOURCES} ${LINKER_SCRIPT})

# 链接静态库
target_link_libraries(${PROJECT_NAME}.elf
        ${CMAKE_SOURCE_DIR}/SysDrives/StdPeriphDriver/libISP583.a
        ${CMAKE_SOURCE_DIR}/SysDrives/BLE_LIB/LIBCH58xBLE.a
        )

# 输出hex和bin
set(HEX_FILE ${PROJECT_BINARY_DIR}/${PROJECT_NAME}.hex)
set(BIN_FILE ${PROJECT_BINARY_DIR}/${PROJECT_NAME}.bin)
add_custom_command(TARGET ${PROJECT_NAME}.elf POST_BUILD
        COMMAND ${CMAKE_OBJCOPY} -Oihex $<TARGET_FILE:${PROJECT_NAME}.elf> ${HEX_FILE}
        COMMAND ${CMAKE_OBJCOPY} -Obinary $<TARGET_FILE:${PROJECT_NAME}.elf> ${BIN_FILE}
        )