91 lines
3.6 KiB
CMake
91 lines
3.6 KiB
CMake
require_idf_targets(esp32)
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if(BOOTLOADER_BUILD)
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# For bootloader, all we need from esp32 is headers
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set(COMPONENT_ADD_INCLUDEDIRS include)
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register_component()
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target_linker_script(${COMPONENT_LIB} "ld/esp32.peripherals.ld")
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else()
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# Regular app build
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set(COMPONENT_SRCS "brownout.c"
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"cache_err_int.c"
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"cache_sram_mmu.c"
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"clk.c"
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"cpu_start.c"
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"crosscore_int.c"
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"dport_access.c"
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"dport_panic_highint_hdl.S"
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"esp_adapter.c"
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"esp_timer_esp32.c"
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"esp_himem.c"
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"gdbstub.c"
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"hw_random.c"
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"int_wdt.c"
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"intr_alloc.c"
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"panic.c"
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"pm_esp32.c"
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"pm_trace.c"
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"reset_reason.c"
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"sleep_modes.c"
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"spiram.c"
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"spiram_psram.c"
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"system_api.c"
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"task_wdt.c")
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set(COMPONENT_ADD_INCLUDEDIRS "include")
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set(COMPONENT_REQUIRES app_update driver esp_event efuse pthread soc) #unfortunately rom/uart uses SOC registers directly
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# driver is a public requirement because esp_sleep.h uses gpio_num_t & touch_pad_t
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# app_update is added here because cpu_start.c uses esp_ota_get_app_description() function.
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set(COMPONENT_PRIV_REQUIRES
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app_trace app_update bootloader_support log mbedtls nvs_flash
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smartconfig_ack spi_flash vfs wpa_supplicant espcoredump esp_common esp_wifi)
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set(COMPONENT_ADD_LDFRAGMENTS linker.lf ld/esp32_fragments.lf)
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register_component()
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target_linker_script(${COMPONENT_LIB} "${CMAKE_CURRENT_BINARY_DIR}/esp32_out.ld")
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# Rely on user code to define app_main
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target_link_libraries(${COMPONENT_LIB} "-u app_main")
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if(CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY)
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# This has to be linked before esp32.project.ld
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target_linker_script(${COMPONENT_LIB} "ld/esp32.extram.bss.ld")
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endif()
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# Process the template file through the linker script generation mechanism, and use the output for linking the
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# final binary
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target_linker_script(${COMPONENT_LIB} "${CMAKE_CURRENT_LIST_DIR}/ld/esp32.project.ld.in" PROCESS)
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target_linker_script(${COMPONENT_LIB} "ld/esp32.peripherals.ld")
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target_link_libraries(${COMPONENT_LIB} gcc)
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target_link_libraries(${COMPONENT_LIB} "-u call_user_start_cpu0")
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#ld_include_panic_highint_hdl is added as an undefined symbol because otherwise the
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#linker will ignore panic_highint_hdl.S as it has no other files depending on any
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#symbols in it.
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target_link_libraries(${COMPONENT_LIB} "-u ld_include_panic_highint_hdl")
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idf_build_get_property(sdkconfig_header SDKCONFIG_HEADER)
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get_filename_component(config_dir ${sdkconfig_header} DIRECTORY)
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# Preprocess esp32.ld linker script to include configuration, becomes esp32_out.ld
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set(LD_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ld)
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add_custom_command(
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OUTPUT esp32_out.ld
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COMMAND "${CMAKE_C_COMPILER}" -C -P -x c -E -o esp32_out.ld -I ${config_dir} ${LD_DIR}/esp32.ld
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MAIN_DEPENDENCY ${LD_DIR}/esp32.ld ${SDKCONFIG_H}
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COMMENT "Generating linker script..."
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VERBATIM)
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add_custom_target(esp32_linker_script DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/esp32_out.ld)
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add_dependencies(${COMPONENT_LIB} esp32_linker_script)
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# disable stack protection in files which are involved in initialization of that feature
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set_source_files_properties(
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cpu_start.c
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PROPERTIES COMPILE_FLAGS
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-fno-stack-protector)
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endif()
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