cmake_minimum_required(VERSION 3.22)
project(bootloader)

set(SRC_ROOT ${CMAKE_CURRENT_SOURCE_DIR}/../../../../../src/)
set(COMMON ${SRC_ROOT}/common)
set(CRYPTO ${SRC_ROOT}/cyclone_crypto)
set(BOOT ${SRC_ROOT}/cyclone_boot)
set(THIRD_PARTY ${CMAKE_SOURCE_DIR}/../../../../../third_party)

# Setup compiler settings
set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_EXTENSIONS ON)

# Define the build type
if(NOT CMAKE_BUILD_TYPE)
    set(CMAKE_BUILD_TYPE "Debug")
endif()

# Include toolchain file
# include("gcc-arm-none-eabi.cmake")

# Enable compile command to ease indexing with e.g. clangd
set(CMAKE_EXPORT_COMPILE_COMMANDS TRUE)
message("Build type: " ${CMAKE_BUILD_TYPE})

add_executable(bootloader)

target_sources(bootloader PRIVATE
        ${COMMON}/cpu_endian.c
        ${COMMON}/os_port_none.c
        ${COMMON}/date_time.c
        ${COMMON}/str.c

        ${BOOT}/core/crc32.c
        ${BOOT}/drivers/mcu_core/stm32f7xx_mcu_driver.c
        ${BOOT}/drivers/flash/internal/stm32f7xx_flash_driver.c
        ${BOOT}/drivers/flash/external/n25q512a_flash_driver.c
        ${BOOT}/modules/image/image.c
        ${BOOT}/modules/memory/memory.c
        ${BOOT}/modules/security/cipher.c
        ${BOOT}/bootloader/second_stage/boot.c
        ${BOOT}/bootloader/second_stage/boot_common.c

        ${CRYPTO}/hash/sha256.c
        ${CRYPTO}/cipher/aes.c

        ${THIRD_PARTY}/st/boards/stm32f769i_eval/stm32f769i_eval.c
        ${THIRD_PARTY}/st/boards/stm32f769i_eval/stm32f769i_eval_camera.c
        ${THIRD_PARTY}/st/boards/stm32f769i_eval/stm32f769i_eval_eeprom.c
        ${THIRD_PARTY}/st/boards/stm32f769i_eval/stm32f769i_eval_io.c
        ${THIRD_PARTY}/st/boards/stm32f769i_eval/stm32f769i_eval_lcd.c
        ${THIRD_PARTY}/st/boards/stm32f769i_eval/stm32f769i_eval_nor.c
        ${THIRD_PARTY}/st/boards/stm32f769i_eval/stm32f769i_eval_qspi.c
        ${THIRD_PARTY}/st/boards/stm32f769i_eval/stm32f769i_eval_sd.c
        ${THIRD_PARTY}/st/boards/stm32f769i_eval/stm32f769i_eval_sdram.c
        ${THIRD_PARTY}/st/boards/stm32f769i_eval/stm32f769i_eval_sram.c
        ${THIRD_PARTY}/st/boards/stm32f769i_eval/stm32f769i_eval_ts.c
        ${THIRD_PARTY}/st/boards/components/mfxstm32l152/mfxstm32l152.c
        ${THIRD_PARTY}/st/boards/components/ft6x06/ft6x06.c
        ${THIRD_PARTY}/st/boards/components/s5k5cag/s5k5cag.c
        ${THIRD_PARTY}/st/boards/components/otm8009a/otm8009a.c
        ${THIRD_PARTY}/st/boards/components/ov5640/ov5640.c

        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_adc.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_adc_ex.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_can.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_cec.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_cortex.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_crc.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_cryp.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_cryp_ex.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_dac.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_dac_ex.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_dcmi.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_dcmi_ex.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_dfsdm.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_dma.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_dma_ex.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_dma2d.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_dsi.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_eth.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_flash.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_flash_ex.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_gpio.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_hash.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_hash_ex.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_hcd.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_i2c.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_i2c_ex.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_i2s.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_irda.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_iwdg.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_lptim.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_ltdc.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_ltdc_ex.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_nand.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_nor.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_pcd.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_pcd_ex.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_pwr.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_pwr_ex.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_qspi.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_rcc.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_rcc_ex.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_rng.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_rtc.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_rtc_ex.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_sai.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_sai_ex.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_sd.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_sdram.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_smartcard.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_spdifrx.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_spi.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_sram.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_tim.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_tim_ex.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_uart.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_usart.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_hal_wwdg.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_ll_fmc.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_ll_sdmmc.c
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/src/stm32f7xx_ll_usb.c

        ${CMAKE_SOURCE_DIR}/cmake/startup_stm32f769xx.S
        ${CMAKE_SOURCE_DIR}/cmake/syscalls.c
        ${CMAKE_SOURCE_DIR}/src/system_stm32f7xx.c
        ${CMAKE_SOURCE_DIR}/src/stm32f7xx_it.c
        ${CMAKE_SOURCE_DIR}/src/main.c
        ${CMAKE_SOURCE_DIR}/src/debug.c
)

target_include_directories(bootloader PRIVATE
        ${CMAKE_SOURCE_DIR}/src
        ${THIRD_PARTY}/cmsis/include
        ${THIRD_PARTY}/st/devices/stm32f7xx
        ${THIRD_PARTY}/st/drivers/stm32f7xx_hal_driver/inc
        ${THIRD_PARTY}/st/boards/stm32f769i_eval

        ${COMMON}
        ${BOOT}
        ${CRYPTO}
        ${BOOT}/modules
        ${BOOT}/bootloader
)

target_compile_definitions(bootloader PRIVATE
    STM32F769xx
    USE_HAL_DRIVER
    USE_STM32F769I_EVAL
    USE_IOEXPANDER

    $<$<CONFIG:Debug>:DEBUG>
)

# Add the map file to the list of files to be removed with 'clean' target
set_target_properties(bootloader PROPERTIES ADDITIONAL_CLEAN_FILES ${CMAKE_PROJECT_NAME}.map)

# Convert .elf to .bin
add_custom_command(TARGET bootloader POST_BUILD
        COMMAND ${CMAKE_OBJCOPY} -O binary
        ${CMAKE_CURRENT_BINARY_DIR}/bootloader.elf
        ${CMAKE_CURRENT_BINARY_DIR}/bootloader.bin
        COMMENT "Generating binary file from ELF"
)

# Copy the generated .bin file to ../
add_custom_command(TARGET bootloader POST_BUILD
    COMMAND ${CMAKE_COMMAND} -E copy
            ${CMAKE_CURRENT_BINARY_DIR}/bootloader.bin
            ${CMAKE_CURRENT_SOURCE_DIR}/../
    COMMENT "Copying bootloader.bin to parent directory"
)
