cmake_minimum_required(VERSION 3.22)

set(SRC_ROOT ${CMAKE_CURRENT_SOURCE_DIR}/../../../../../src/)
set(COMMON ${SRC_ROOT}/common)
set(CRYPTO ${SRC_ROOT}/cyclone_crypto)
set(UPDATE ${SRC_ROOT}/cyclone_boot)
set(THIRD_PARTY ${CMAKE_SOURCE_DIR}/../../../../../third_party)
set(YMODEM ${CMAKE_SOURCE_DIR}/../../../../common/update_protocols/ymodem)

# Bootloader version shown in the trace
set(BOOT_VERSION "1.0.0" CACHE STRING "Standalone bootloader firmware version")

# 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()

# 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
        ${COMMON}/path.c
        ${UPDATE}/drivers/mcu_core/stm32g4xx_mcu_driver.c
        ${UPDATE}/drivers/flash/internal/stm32g4xx_flash_driver.c
        ${UPDATE}/core/crc32.c
        ${UPDATE}/core/mailbox.c
        ${UPDATE}/modules/image/image.c
        ${UPDATE}/modules/image/image_process.c
        ${UPDATE}/modules/image/image_utils.c
        ${UPDATE}/modules/memory/memory.c
        ${UPDATE}/modules/memory/memory_ex.c
        ${UPDATE}/core/verify.c
        ${UPDATE}/modules/security/verify_auth.c
        ${UPDATE}/modules/security/verify_sign.c
        ${UPDATE}/modules/security/verify_runtime.c
        ${UPDATE}/modules/security/verify_integrity.c
        ${UPDATE}/modules/security/cipher.c
        ${UPDATE}/update/update.c
        ${UPDATE}/update/update_misc.c
        ${UPDATE}/bootloader/standalone/boot.c
        ${UPDATE}/bootloader/standalone/boot_trigger.c
        ${UPDATE}/bootloader/standalone/boot_recovery.c
        ${UPDATE}/bootloader/
        ${UPDATE}/modules
        ${CRYPTO}/hash/md5.c
        ${CRYPTO}/hash/sha1.c
        ${CRYPTO}/hash/sha224.c
        ${CRYPTO}/hash/sha256.c
        ${CRYPTO}/hash/sha384.c
        ${CRYPTO}/hash/sha512.c
        ${CRYPTO}/mac/hmac.c
        ${CRYPTO}/cipher/rc4.c
        ${CRYPTO}/cipher/idea.c
        ${CRYPTO}/cipher/des.c
        ${CRYPTO}/cipher/des3.c
        ${CRYPTO}/cipher/aes.c
        ${CRYPTO}/cipher/camellia.c
        ${CRYPTO}/cipher/seed.c
        ${CRYPTO}/cipher/aria.c
        ${CRYPTO}/cipher_modes/cbc.c
        ${CRYPTO}/aead/ccm.c
        ${CRYPTO}/aead/gcm.c
        ${CRYPTO}/cipher/chacha.c
        ${CRYPTO}/mac/poly1305.c
        ${CRYPTO}/aead/chacha20_poly1305.c
        ${CRYPTO}/pkc/dh.c
        ${CRYPTO}/pkc/rsa.c
        ${CRYPTO}/pkc/dsa.c
        ${CRYPTO}/ecc/ec.c
        ${CRYPTO}/ecc/ec_curves.c
        ${CRYPTO}/ecc/ecdh.c
        ${CRYPTO}/ecc/ecdsa.c
        ${CRYPTO}/ecc/eddsa.c
        ${CRYPTO}/ecc/curve25519.c
        ${CRYPTO}/ecc/curve448.c
        ${CRYPTO}/ecc/x25519.c
        ${CRYPTO}/ecc/x448.c
        ${CRYPTO}/ecc/ed25519.c
        ${CRYPTO}/ecc/ed448.c
        ${CRYPTO}/mpi/mpi.c
        ${CRYPTO}/mpi/mpi_misc.c
        ${CRYPTO}/encoding/base64.c
        ${CRYPTO}/encoding/asn1.c
        ${CRYPTO}/encoding/oid.c
        ${CRYPTO}/pkix/pem_import.c
        ${CRYPTO}/pkix/pem_key_import.c
        ${CRYPTO}/pkix/pem_decrypt.c
        ${CRYPTO}/pkix/pem_common.c
        ${CRYPTO}/pkix/pkcs5_decrypt.c
        ${CRYPTO}/pkix/pkcs5_common.c
        ${CRYPTO}/pkix/pkcs8_key_parse.c
        ${CRYPTO}/pkix/x509_key_parse.c
        ${CRYPTO}/pkix/x509_cert_parse.c
        ${CRYPTO}/pkix/x509_cert_validate.c
        ${CRYPTO}/pkix/x509_cert_ext_parse.c
        ${CRYPTO}/pkix/x509_common.c
        ${CRYPTO}/pkix/x509_sign_parse.c
        ${CRYPTO}/pkix/x509_sign_verify.c
        ${CRYPTO}/kdf/hkdf.c
        ${CRYPTO}/ecc/ec_misc.c
        ${CRYPTO}/pkc/rsa_misc.c
        ${THIRD_PARTY}/st/boards/stm32g4xx_nucleo/stm32g4xx_nucleo.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_adc.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_adc_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_comp.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_cordic.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_cortex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_crc.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_crc_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_cryp.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_cryp_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_dac.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_dac_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_dma.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_dma_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_exti.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_fdcan.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_flash.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_flash_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_flash_ramfunc.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_fmac.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_gpio.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_hrtim.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_i2c.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_i2c_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_i2s.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_irda.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_iwdg.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_lptim.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_nand.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_nor.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_opamp.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_opamp_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_pcd.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_pcd_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_pwr.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_pwr_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_qspi.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_rcc.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_rcc_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_rng.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_rtc.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_rtc_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_sai.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_sai_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_smartcard.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_smartcard_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_smbus.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_smbus_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_spi.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_spi_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_sram.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_tim.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_tim_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_uart.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_uart_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_usart.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_usart_ex.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_hal_wwdg.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_adc.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_comp.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_cordic.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_crc.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_crs.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_dac.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_dma.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_exti.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_fmac.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_fmc.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_gpio.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_hrtim.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_i2c.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_lptim.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_lpuart.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_opamp.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_pwr.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_rcc.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_rng.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_rtc.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_spi.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_tim.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_ucpd.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_usart.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_usb.c
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/src/stm32g4xx_ll_utils.c
        ${CMAKE_SOURCE_DIR}/cmake/startup_stm32g474xx.S
        ${CMAKE_SOURCE_DIR}/cmake/syscalls.c
        ${CMAKE_SOURCE_DIR}/src/system_stm32g4xx.c
        ${CMAKE_SOURCE_DIR}/src/stm32g4xx_it.c
        ${CMAKE_SOURCE_DIR}/src/main.c
        ${CMAKE_SOURCE_DIR}/src/board.c
        ${CMAKE_SOURCE_DIR}/src/debug.c
        ${YMODEM}/ymodem.c
        ${YMODEM}/ymodem_transport.c
)

target_include_directories(bootloader PRIVATE
        ${CMAKE_SOURCE_DIR}/src
        ${YMODEM}
        ${THIRD_PARTY}/cmsis/include
        ${THIRD_PARTY}/st/devices/stm32g4xx
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/inc
        ${THIRD_PARTY}/st/drivers/stm32g4xx_hal_driver/
        ${THIRD_PARTY}/st/boards/stm32g4xx_nucleo
        ${COMMON}
        ${CRYPTO}
        ${UPDATE}
        ${UPDATE}/modules
        ${UPDATE}/bootloader
)

target_compile_definitions(bootloader PRIVATE
    STM32G474xx
    USE_HAL_DRIVER
    FLASH_DB_MODE
    USE_NUCLEO_64
    __USE_C99_MATH
    BOOT_VERSION_STRING="${BOOT_VERSION}"
    $<$<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"
)

# Refresh the footprint report on a Release build. A Debug build leaves the committed
# numbers alone, so a report always describes the configuration customers ship.
if (CMAKE_BUILD_TYPE STREQUAL "Release")
	add_custom_command(TARGET bootloader POST_BUILD
		COMMAND python3 ${CMAKE_SOURCE_DIR}/footprint.py
		--map "${CMAKE_CURRENT_BINARY_DIR}/uart_ymodem_bl.map"
		--ld "${CMAKE_SOURCE_DIR}/cmake/stm32g474_bl_flash.ld"
		--elf "${CMAKE_CURRENT_BINARY_DIR}/bootloader.elf"
		--output-summary "${CMAKE_SOURCE_DIR}/reports/footprint_summary.json"
		--build-type Release
		--folders ${SRC_ROOT}/cyclone_boot ${SRC_ROOT}/cyclone_crypto ${SRC_ROOT}/cyclone_tcp ${SRC_ROOT}/common
	)
endif ()
