esp-idf/components/esp32/CMakeLists.txt

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CMake
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require_idf_targets(esp32)
if(BOOTLOADER_BUILD)
# For bootloader, all we need from esp32 is headers
set(COMPONENT_ADD_INCLUDEDIRS include)
set(COMPONENT_REQUIRES ${COMPONENTS})
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set(COMPONENT_SRCS )
register_component(esp32)
# as cmake won't attach linker args to a header-only library, attach
# linker args directly to the bootloader.elf
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set(ESP32_BOOTLOADER_LINKER_SCRIPTS
"${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
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set(COMPONENT_SRCS "brownout.c"
"cache_err_int.c"
"cache_sram_mmu.c"
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"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"
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"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"
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"wifi_os_adapter.c"
"hwcrypto/aes.c"
"hwcrypto/sha.c")
set(COMPONENT_ADD_INCLUDEDIRS "include")
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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
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app_trace bootloader_support ethernet log mbedtls nvs_flash
pthread smartconfig_ack spi_flash vfs wpa_supplicant xtensa-debug-module)
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()
target_linker_script(esp32 "ld/esp32.common.ld")
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target_linker_script(esp32
"ld/esp32.rom.ld"
"ld/esp32.peripherals.ld"
"ld/esp32.rom.libgcc.ld"
)
if(CONFIG_SPIRAM_CACHE_WORKAROUND)
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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 ${PHY_INIT_DATA_BIN})
add_dependencies(flash phy_init_data)
endif()
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# Enable dynamic esp_timer overflow value if building unit tests
if(NOT "${BUILD_TEST_COMPONENTS}" EQUAL "")
add_definitions(-DESP_TIMER_DYNAMIC_OVERFLOW_VAL)
endif()
endif()