esp-idf/components/esp_rom/CMakeLists.txt

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CMake

idf_build_get_property(target IDF_TARGET)
idf_component_register(SRCS "patches/esp_rom_crc.c"
"patches/esp_rom_sys.c"
"patches/esp_rom_uart.c"
INCLUDE_DIRS include "${target}"
PRIV_REQUIRES soc hal)
# Append a target linker script at the target-specific path,
# only the 'name' part is different for each script
function(rom_linker_script name)
target_linker_script(${COMPONENT_LIB} INTERFACE "${target}/ld/${target}.rom.${name}.ld")
endfunction()
target_linker_script(${COMPONENT_LIB} INTERFACE "${target}/ld/${target}.rom.ld")
rom_linker_script("api")
rom_linker_script("libgcc")
if(BOOTLOADER_BUILD)
if(target STREQUAL "esp32")
rom_linker_script("newlib-funcs")
if(CONFIG_ESP32_REV_MIN_3)
rom_linker_script("eco3")
endif()
elseif(target STREQUAL "esp32s2")
rom_linker_script("newlib-funcs")
rom_linker_script("spiflash")
elseif(target STREQUAL "esp32s3")
rom_linker_script("newlib")
elseif(target STREQUAL "esp32c3")
rom_linker_script("newlib")
endif()
else() # Regular app build
if(target STREQUAL "esp32")
rom_linker_script("newlib-data")
rom_linker_script("syscalls")
if(NOT CONFIG_SPIRAM_CACHE_WORKAROUND)
rom_linker_script("newlib-funcs")
if(NOT CONFIG_SDK_TOOLCHAIN_SUPPORTS_TIME_WIDE_64_BITS)
# If SDK_TOOLCHAIN_SUPPORTS_TIME_WIDE_64_BITS option is defined
# then all time functions from the ROM memory will not be linked.
# Instead, those functions can be used from the toolchain by ESP-IDF.
rom_linker_script("newlib-time")
endif()
# Include in newlib nano from ROM only if SPIRAM cache workaround is disabled
if(CONFIG_NEWLIB_NANO_FORMAT)
rom_linker_script("newlib-nano")
endif()
endif()
if(NOT CONFIG_SPI_FLASH_ROM_DRIVER_PATCH)
rom_linker_script("spiflash")
endif()
if(CONFIG_ESP32_REV_MIN_3)
rom_linker_script("eco3")
endif()
elseif(target STREQUAL "esp32s2")
rom_linker_script("newlib-funcs")
rom_linker_script("newlib-data")
rom_linker_script("spiflash")
if(CONFIG_NEWLIB_NANO_FORMAT)
rom_linker_script("newlib-nano")
endif()
# descirptors used by ROM code
target_sources(${COMPONENT_LIB} PRIVATE "esp32s2/usb_descriptors.c")
elseif(target STREQUAL "esp32s3")
rom_linker_script("newlib")
rom_linker_script("version")
if(CONFIG_NEWLIB_NANO_FORMAT)
rom_linker_script("newlib-nano")
endif()
elseif(target STREQUAL "esp32c3")
rom_linker_script("newlib")
rom_linker_script("version")
if(CONFIG_NEWLIB_NANO_FORMAT)
rom_linker_script("newlib-nano")
endif()
if(CONFIG_ESP32C3_REV_MIN_3)
rom_linker_script("eco3")
endif()
endif()
endif()
if(target STREQUAL "esp32s2")
target_sources(${COMPONENT_LIB} PRIVATE "esp32s2/usb_descriptors.c")
endif()