9b350f9ecc
Do not include bootloader in flash target when secure boot is enabled. Emit signing warning on all cases where signed apps are enabled (secure boot and signed images) Follow convention of capital letters for SECURE_BOOT_SIGNING_KEY variable, since it is relevant to other components, not just bootloader. Pass signing key and verification key via config, not requiring bootloader to know parent app dir. Misc. variables name corrections
101 lines
4.2 KiB
CMake
101 lines
4.2 KiB
CMake
if(BOOTLOADER_BUILD)
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# For bootloader, all we need from esp32 is headers
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idf_component_register(INCLUDE_DIRS include)
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target_linker_script(${COMPONENT_LIB} INTERFACE "ld/esp32.peripherals.ld")
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else()
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# Regular app build
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set(srcs
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"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(include_dirs "include")
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set(requires driver esp_event efuse 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(priv_requires app_trace app_update bootloader_support log mbedtls nvs_flash pthread
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smartconfig_ack spi_flash vfs wpa_supplicant espcoredump esp_common esp_wifi)
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set(fragments linker.lf ld/esp32_fragments.lf)
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idf_component_register(SRCS "${srcs}"
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INCLUDE_DIRS "${include_dirs}"
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LDFRAGMENTS "${fragments}"
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REQUIRES "${requires}"
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PRIV_REQUIRES "${priv_requires}"
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REQUIRED_IDF_TARGETS esp32)
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target_linker_script(${COMPONENT_LIB} INTERFACE "${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(${COMPONENT_LIB} INTERFACE "-u app_main")
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if(CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY)
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# This has to be linked before esp32.project.ld
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target_linker_script(${COMPONENT_LIB} INTERFACE "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(${COMPONENT_LIB} INTERFACE "${CMAKE_CURRENT_LIST_DIR}/ld/esp32.project.ld.in"
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PROCESS "${CMAKE_CURRENT_BINARY_DIR}/ld/esp32.project.ld")
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target_linker_script(${COMPONENT_LIB} INTERFACE "ld/esp32.peripherals.ld")
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target_link_libraries(${COMPONENT_LIB} PUBLIC gcc)
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target_link_libraries(${COMPONENT_LIB} INTERFACE "-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} INTERFACE "-u ld_include_panic_highint_hdl")
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idf_build_get_property(config_dir CONFIG_DIR)
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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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if(CONFIG_SPIRAM_CACHE_WORKAROUND)
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# Note: Adding as a PUBLIC compile option here causes this option to propagate to all components that depend on esp32.
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#
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# To handle some corner cases, the same flag is set in project_include.cmake
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target_compile_options(${COMPONENT_LIB} PUBLIC -mfix-esp32-psram-cache-issue)
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# also, make sure we link with this option so correct toolchain libs are pulled in
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target_link_libraries(${COMPONENT_LIB} PUBLIC -mfix-esp32-psram-cache-issue)
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endif()
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endif()
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