require_idf_targets(esp32) if(BOOTLOADER_BUILD) # For bootloader, all we need from esp32 is headers set(COMPONENT_ADD_INCLUDEDIRS include) set(COMPONENT_REQUIRES ${COMPONENTS}) set(COMPONENT_SRCS ) register_component(esp32) # as cmake won't attach linker args to a header-only library, attach # linker args directly to the bootloader.elf set(ESP32_BOOTLOADER_LINKER_SCRIPTS "${CMAKE_CURRENT_SOURCE_DIR}/ld/esp32.rom.ld" "${CMAKE_CURRENT_SOURCE_DIR}/ld/esp32.rom.spiram_incompatible_fns.ld" "${CMAKE_CURRENT_SOURCE_DIR}/ld/esp32.peripherals.ld" PARENT_SCOPE ) else() # Regular app build set(COMPONENT_SRCS "brownout.c" "cache_err_int.c" "cache_sram_mmu.c" "clk.c" "coexist.c" "core_dump.c" "cpu_start.c" "crosscore_int.c" "dbg_stubs.c" "dport_access.c" "dport_panic_highint_hdl.S" "esp_err_to_name.c" "esp_timer.c" "esp_timer_esp32.c" "esp_himem.c" "ets_timer_legacy.c" "event_default_handlers.c" "event_loop.c" "fast_crypto_ops.c" "freertos_hooks.c" "gdbstub.c" "hw_random.c" "int_wdt.c" "intr_alloc.c" "ipc.c" "lib_printf.c" "panic.c" "phy_init.c" "pm_esp32.c" "pm_locks.c" "pm_trace.c" "reset_reason.c" "restore.c" "sleep_modes.c" "spiram.c" "spiram_psram.c" "stack_check.c" "system_api.c" "task_wdt.c" "wifi_init.c" "wifi_os_adapter.c" "hwcrypto/aes.c" "hwcrypto/sha.c") set(COMPONENT_ADD_INCLUDEDIRS "include") set(COMPONENT_REQUIRES driver tcpip_adapter esp_event) # driver is a public requirement because esp_sleep.h uses gpio_num_t & touch_pad_t # tcpip_adapter is a public requirement because esp_event.h uses tcpip_adapter types set(COMPONENT_PRIV_REQUIRES app_trace bootloader_support ethernet log mbedtls nvs_flash pthread smartconfig_ack spi_flash vfs wpa_supplicant xtensa-debug-module) set(COMPONENT_ADD_LDFRAGMENTS linker.lf ld/esp32_fragments.lf) register_component() target_link_libraries(esp32 "-L ${CMAKE_CURRENT_SOURCE_DIR}/lib") if(NOT CONFIG_NO_BLOBS) target_link_libraries(esp32 coexist core espnow mesh net80211 phy pp rtc smartconfig wpa2 wpa wps) endif() target_linker_script(esp32 "${CMAKE_CURRENT_BINARY_DIR}/esp32_out.ld") if(CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY) # This has to be linked before esp32.common.ld target_linker_script(esp32 "ld/esp32.extram.bss.ld") endif() # Process the template file through the linker script generation mechanism, and use the output for linking the # final binary set(esp32_common_script "${CMAKE_CURRENT_BINARY_DIR}/esp32.common.ld") set(esp32_common_template "${CMAKE_CURRENT_LIST_DIR}/ld/esp32.common.ld.in") ldgen_process_template(${esp32_common_template} ${esp32_common_script}) target_link_libraries(esp32 "-T ${esp32_common_script}") set_property(TARGET ${PROJECT_NAME}.elf APPEND PROPERTY LINK_DEPENDS ${esp32_common_script}) target_linker_script(esp32 "ld/esp32.rom.ld" "ld/esp32.peripherals.ld" "ld/esp32.rom.libgcc.ld" ) if(CONFIG_SPIRAM_CACHE_WORKAROUND) add_compile_options(-mfix-esp32-psram-cache-issue) else() target_linker_script(esp32 "ld/esp32.rom.spiram_incompatible_fns.ld") endif() if(CONFIG_NEWLIB_NANO_FORMAT) target_linker_script(esp32 "ld/esp32.rom.nanofmt.ld") endif() if(NOT CONFIG_SPI_FLASH_ROM_DRIVER_PATCH) target_linker_script(esp32 "ld/esp32.rom.spiflash.ld") endif() target_link_libraries(esp32 "${CMAKE_CURRENT_SOURCE_DIR}/libhal.a") target_link_libraries(esp32 gcc) target_link_libraries(esp32 "-u call_user_start_cpu0") #ld_include_panic_highint_hdl is added as an undefined symbol because otherwise the #linker will ignore panic_highint_hdl.S as it has no other files depending on any #symbols in it. target_link_libraries(esp32 "-u ld_include_panic_highint_hdl") # Preprocess esp32.ld linker script to include configuration, becomes esp32_out.ld set(LD_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ld) add_custom_command( OUTPUT esp32_out.ld COMMAND "${CMAKE_C_COMPILER}" -C -P -x c -E -o esp32_out.ld -I ${CONFIG_DIR} ${LD_DIR}/esp32.ld MAIN_DEPENDENCY ${LD_DIR}/esp32.ld ${SDKCONFIG_H} COMMENT "Generating linker script..." VERBATIM) add_custom_target(esp32_linker_script DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/esp32_out.ld) add_dependencies(esp32 esp32_linker_script) if(CONFIG_ESP32_PHY_INIT_DATA_IN_PARTITION) set(PHY_INIT_DATA_BIN phy_init_data.bin) # To get the phy_init_data.bin file, compile phy_init_data.h as a C file and then objcopy # the object file to a raw binary add_custom_command( OUTPUT ${PHY_INIT_DATA_BIN} DEPENDS ${CMAKE_CURRENT_LIST_DIR}/phy_init_data.h COMMAND ${CMAKE_C_COMPILER} -x c -c -I ${CMAKE_CURRENT_LIST_DIR} -I ${CMAKE_CURRENT_LIST_DIR}/include -I ${CMAKE_BINARY_DIR} -o phy_init_data.obj ${CMAKE_CURRENT_LIST_DIR}/phy_init_data.h COMMAND ${CMAKE_OBJCOPY} -O binary phy_init_data.obj ${PHY_INIT_DATA_BIN} ) add_custom_target(phy_init_data ALL DEPENDS ${PHY_INIT_DATA_BIN}) add_dependencies(flash phy_init_data) endif() # Enable dynamic esp_timer overflow value if building unit tests if(esp32_test IN_LIST BUILD_TEST_COMPONENTS) add_definitions(-DESP_TIMER_DYNAMIC_OVERFLOW_VAL) endif() endif()