if(BOOTLOADER_BUILD) # For bootloader, all we need from esp32 is headers add_library(esp32 INTERFACE) target_include_directories(esp32 INTERFACE include) # as cmake won't attach linker args to a header-only library, attach # linker args directly to the bootloader.elf set(BOOTLOADER_LINKER_ARGS "-L ${CMAKE_CURRENT_SOURCE_DIR}/ld -T esp32.rom.ld -Tesp32.rom.spiram_incompatible_fns.ld -T esp32.peripherals.ld" PARENT_SCOPE) else() # Regular app build set(COMPONENT_SRCDIRS ". hwcrypto") set(COMPONENT_ADD_INCLUDEDIRS "include") register_component() target_link_libraries(esp32 "-L ${CMAKE_CURRENT_SOURCE_DIR}/lib") if(NOT CONFIG_NO_BLOBS) target_link_libraries(esp32 coexist core espnow net80211 phy pp rtc smartconfig wpa2 wpa wps) endif() target_link_libraries(esp32 "-L ${CMAKE_CURRENT_SOURCE_DIR}/ld") target_link_libraries(esp32 "-T ${CMAKE_CURRENT_BINARY_DIR}/esp32_out.ld") target_link_libraries(esp32 "-T esp32.common.ld") target_link_libraries(esp32 "-T esp32.rom.ld") target_link_libraries(esp32 "-T esp32.peripherals.ld") if(CONFIG_SPIRAM_CACHE_WORKAROUND) target_link_libraries(esp32 ${CMAKE_CURRENT_SOURCE_DIR}/libstdc++-psram-workaround.a) else() target_link_libraries(esp32 "-T esp32.rom.spiram_incompatible_fns.ld") endif() if(CONFIG_NEWLIB_NANO_FORMAT) target_link_libraries(esp32 "-T esp32.rom.nanofmt.ld") endif() if(NOT CONFIG_SPI_FLASH_ROM_DRIVER_PATCH) target_link_libraries(esp32 "-T esp32.rom.spiflash.ld") endif() target_link_libraries(esp32 "${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 ${CMAKE_BINARY_DIR} ${LD_DIR}/esp32.ld MAIN_DEPENDENCY ${LD_DIR}/esp32.ld 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 -o phy_init_data.obj -I ${CMAKE_CURRENT_LIST_DIR} -I ${CMAKE_CURRENT_LIST_DIR}/include -I ${CMAKE_BINARY_DIR} ${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(CONFIG_ESP32_PHY_INIT_DATA_IN_PARTITION) endif(BOOTLOADER_BUILD)