102 lines
3.9 KiB
CMake
102 lines
3.9 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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set(COMPONENT_REQUIRES ${IDF_COMPONENTS})
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set(COMPONENT_SRCS )
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register_component()
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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 driver esp_event efuse)
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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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pthread 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_TARGET} "${CMAKE_CURRENT_BINARY_DIR}/esp32_out.ld")
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if(CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY)
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# This has to be linked before esp32.project.ld
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target_linker_script(${COMPONENT_TARGET} "ld/esp32.extram.bss.ld")
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endif()
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if(IDF_PROJECT_EXECUTABLE)
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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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set(esp32_project_script "${CMAKE_CURRENT_BINARY_DIR}/esp32.project.ld")
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set(esp32_project_template "${CMAKE_CURRENT_LIST_DIR}/ld/esp32.project.ld.in")
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ldgen_process_template(${esp32_project_template} ${esp32_project_script})
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target_link_libraries(${COMPONENT_TARGET} "-T ${esp32_project_script}")
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set_property(TARGET ${IDF_PROJECT_EXECUTABLE} APPEND PROPERTY LINK_DEPENDS ${esp32_project_script})
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endif()
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target_linker_script(${COMPONENT_TARGET} "ld/esp32.peripherals.ld")
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target_link_libraries(${COMPONENT_TARGET} gcc)
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target_link_libraries(${COMPONENT_TARGET} "-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_TARGET} "-u ld_include_panic_highint_hdl")
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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_TARGET} esp32_linker_script)
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# Enable dynamic esp_timer overflow value if building unit tests
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if(esp32_test IN_LIST BUILD_TEST_COMPONENTS)
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add_definitions(-DESP_TIMER_DYNAMIC_OVERFLOW_VAL)
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endif()
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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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