boot/espressif/hal/CMakeLists.txt

cmake_minimum_required(VERSION 3.13)

project(hal)

set(esp_idf_dir ${IDF_PATH})

set(SRC_DIR ${CMAKE_CURRENT_LIST_DIR}/src)
set(INCLUDE_DIRS
    ${CMAKE_CURRENT_LIST_DIR}/include
    ${CMAKE_CURRENT_LIST_DIR}/include/${MCUBOOT_TARGET}
    )

list(APPEND INCLUDE_DIRS
    ${esp_idf_dir}/components/esp_common/include
    ${esp_idf_dir}/components/esp_rom/include
    ${esp_idf_dir}/components/esp_rom/include/${MCUBOOT_TARGET}
    ${esp_idf_dir}/components/xtensa/${MCUBOOT_TARGET}/include
    ${esp_idf_dir}/components/spi_flash/include
    ${esp_idf_dir}/components/spi_flash/private_include
    ${esp_idf_dir}/components/xtensa/include
    ${esp_idf_dir}/components/soc/${MCUBOOT_TARGET}/include
    ${esp_idf_dir}/components/${MCUBOOT_TARGET}/include
    ${esp_idf_dir}/components/soc/include
    ${esp_idf_dir}/components/esp_hw_support/include
    ${esp_idf_dir}/components/hal/${MCUBOOT_TARGET}/include
    ${esp_idf_dir}/components/hal/${MCUBOOT_TARGET}/include/hal
    ${esp_idf_dir}/components/esp_hw_support/port/${MCUBOOT_TARGET}
    ${esp_idf_dir}/components/esp_hw_support/port/${MCUBOOT_TARGET}/private_include
    ${esp_idf_dir}/components/bootloader_support/include
    ${esp_idf_dir}/components/bootloader_support/include_bootloader
    ${esp_idf_dir}/components/hal/include
    ${esp_idf_dir}/components/efuse/include
    ${esp_idf_dir}/components/efuse/${MCUBOOT_TARGET}/include
    )
set(hal_srcs
    ${SRC_DIR}/bootloader_wdt.c
    ${SRC_DIR}/${MCUBOOT_TARGET}/bootloader_init.c
    ${esp_idf_dir}/components/hal/mpu_hal.c
    ${esp_idf_dir}/components/bootloader_support/src/bootloader_flash.c
    ${esp_idf_dir}/components/bootloader_support/src/bootloader_flash_config_${MCUBOOT_TARGET}.c
    ${esp_idf_dir}/components/bootloader_support/src/bootloader_clock_init.c
    ${esp_idf_dir}/components/bootloader_support/src/bootloader_efuse_${MCUBOOT_TARGET}.c
    ${esp_idf_dir}/components/bootloader_support/src/bootloader_panic.c
    ${esp_idf_dir}/components/bootloader_support/src/bootloader_mem.c
    ${esp_idf_dir}/components/spi_flash/${MCUBOOT_TARGET}/spi_flash_rom_patch.c
    ${esp_idf_dir}/components/esp_hw_support/port/${MCUBOOT_TARGET}/rtc_init.c
    ${esp_idf_dir}/components/esp_hw_support/port/${MCUBOOT_TARGET}/rtc_time.c
    ${esp_idf_dir}/components/esp_hw_support/port/${MCUBOOT_TARGET}/rtc_clk.c
    ${esp_idf_dir}/components/esp_hw_support/port/${MCUBOOT_TARGET}/rtc_clk_init.c
    ${esp_idf_dir}/components/hal/wdt_hal_iram.c
    ${esp_idf_dir}/components/esp_hw_support/cpu_util.c
    ${esp_idf_dir}/components/esp_rom/patches/esp_rom_uart.c
    ${esp_idf_dir}/components/${MCUBOOT_TARGET}/clk.c
    )

if ("${MCUBOOT_TARGET}" STREQUAL "esp32s2")
    list(APPEND hal_srcs
        ${esp_idf_dir}/components/esp_hw_support/port/${MCUBOOT_TARGET}/regi2c_ctrl.c
    )
endif()

set(CFLAGS
    "-nostdlib"
    "-mlongcalls"
    "-Wno-frame-address"
    "-Wall"
    "-Wextra"
    "-W"
    "-Wwrite-strings"
    "-Wlogical-op"
    "-Wshadow"
    "-ffunction-sections"
    "-fdata-sections"
    "-fstrict-volatile-bitfields"
    "-Werror=all"
    "-Wno-error=unused-function"
    "-Wno-error=unused-but-set-variable"
    "-Wno-error=unused-variable"
    "-Wno-error=deprecated-declarations"
    "-Wno-unused-parameter"
    "-Wno-sign-compare"
    "-ggdb"
    "-Os"
    "-D_GNU_SOURCE"
    "-std=gnu99"
    "-Wno-old-style-declaration"
    "-Wno-implicit-int"
    )

set(LDFLAGS
    "-mlongcalls"
    "-Wno-frame-address"
    "-Wl,--cref"
    "-Wl,--Map=${APP_NAME}.map"
    "-fno-rtti"
    "-fno-lto"
    "-Wl,--gc-sections"
    "-Wl,--undefined=uxTopUsedPriority"
    "-lm"
    "-lgcc"
    "-lgcov"
    )

add_library(hal STATIC ${hal_srcs} ${INCLUDE_DIRS})

set_source_files_properties(
    ${esp_idf_dir}/components/bootloader_support/src/bootloader_flash.c
    ${esp_idf_dir}/components/esp_hw_support/port/${MCUBOOT_TARGET}/rtc_clk_init.c
    ${esp_idf_dir}/components/esp_hw_support/port/${MCUBOOT_TARGET}/rtc_init.c
    ${esp_idf_dir}/components/esp_hw_support/port/${MCUBOOT_TARGET}/rtc_clk.c
    ${esp_idf_dir}/components/esp_hw_support/port/${MCUBOOT_TARGET}/rtc_time.c
    PROPERTIES COMPILE_FLAGS
    "-Wno-unused-variable")

target_include_directories(
    hal
    PUBLIC
    ${INCLUDE_DIRS}
    )

target_compile_options(
    hal
    PUBLIC
    ${CFLAGS}
    )

set(LINKER_SCRIPTS
    -T${esp_idf_dir}/components/esp_rom/${MCUBOOT_TARGET}/ld/${MCUBOOT_TARGET}.rom.ld
    -T${esp_idf_dir}/components/esp_rom/${MCUBOOT_TARGET}/ld/${MCUBOOT_TARGET}.rom.libgcc.ld
    -T${esp_idf_dir}/components/esp_rom/${MCUBOOT_TARGET}/ld/${MCUBOOT_TARGET}.rom.api.ld
    -T${esp_idf_dir}/components/${MCUBOOT_TARGET}/ld/${MCUBOOT_TARGET}.peripherals.ld
    -T${esp_idf_dir}/components/esp_rom/${MCUBOOT_TARGET}/ld/${MCUBOOT_TARGET}.rom.newlib-funcs.ld
    )

if ("${MCUBOOT_TARGET}" STREQUAL "esp32s2")
    list(APPEND LINKER_SCRIPTS
        -T${esp_idf_dir}/components/esp_rom/${MCUBOOT_TARGET}/ld/${MCUBOOT_TARGET}.rom.spiflash.ld
    )
endif()

target_link_libraries(
    hal
    PUBLIC
    ${LDFLAGS}
    ${LINKER_SCRIPTS}
    )