kopia lustrzana https://github.com/espressif/esp-idf
593 wiersze
24 KiB
Plaintext
593 wiersze
24 KiB
Plaintext
#
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# Please run the following command for opening a page with more information about this configuration file:
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# idf.py docs -sp api-reference/kconfig.html
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#
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mainmenu "Espressif IoT Development Framework Configuration"
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orsource "./components/soc/$IDF_TARGET/include/soc/Kconfig.soc_caps.in"
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config IDF_CMAKE
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bool
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default "y"
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config IDF_ENV_FPGA
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bool
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option env="IDF_ENV_FPGA"
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help
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- This option is for internal use only.
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- Enabling this option will help enable all FPGA support so as to
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run ESP-IDF on an FPGA. This can help reproduce some issues that
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only happens on FPGA condition, or when you have to burn some
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efuses multiple times.
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config IDF_ENV_BRINGUP
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bool
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default "y" if IDF_TARGET_ESP32P4
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help
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- This option is ONLY used when doing new chip bringup.
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- This option will only enable necessary hw / sw settings for running
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a hello_world application.
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config IDF_CI_BUILD
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bool
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default y if "$(IDF_CI_BUILD)" = "y" || "$(IDF_CI_BUILD)" = 1
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config IDF_DOC_BUILD
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bool
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default y if "$(IDF_DOC_BUILD)" = "y" || "$(IDF_DOC_BUILD)" = 1
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config IDF_TOOLCHAIN
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# This option records the IDF target when sdkconfig is generated the first time.
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# It is not updated if environment variable $IDF_TOOLCHAIN changes later, and
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# the build system is responsible for detecting the mismatch between
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# CONFIG_IDF_TOOLCHAIN and $IDF_TOOLCHAIN.
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string
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default "$IDF_TOOLCHAIN"
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config IDF_TOOLCHAIN_CLANG
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bool
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default "y" if IDF_TOOLCHAIN="clang"
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config IDF_TARGET_ARCH_RISCV
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bool
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default "n"
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config IDF_TARGET_ARCH_XTENSA
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bool
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default "n"
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config IDF_TARGET_ARCH
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string
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default "riscv" if IDF_TARGET_ARCH_RISCV
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default "xtensa" if IDF_TARGET_ARCH_XTENSA
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config IDF_TARGET
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# This option records the IDF target when sdkconfig is generated the first time.
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# It is not updated if environment variable $IDF_TARGET changes later, and
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# the build system is responsible for detecting the mismatch between
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# CONFIG_IDF_TARGET and $IDF_TARGET.
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string
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default "$IDF_TARGET"
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config IDF_INIT_VERSION
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# This option records the IDF version when sdkconfig is generated the first time.
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# It is not updated if environment variable $IDF_VERSION changes later
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string
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default "$IDF_INIT_VERSION"
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config IDF_TARGET_LINUX
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bool
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default "y" if IDF_TARGET="linux"
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config IDF_TARGET_ESP32
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bool
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default "y" if IDF_TARGET="esp32"
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select IDF_TARGET_ARCH_XTENSA
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config IDF_TARGET_ESP32S2
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bool
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default "y" if IDF_TARGET="esp32s2"
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select FREERTOS_UNICORE
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select IDF_TARGET_ARCH_XTENSA
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config IDF_TARGET_ESP32S3
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bool
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default "y" if IDF_TARGET="esp32s3"
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select IDF_TARGET_ARCH_XTENSA
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config IDF_TARGET_ESP32C3
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bool
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default "y" if IDF_TARGET="esp32c3"
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select FREERTOS_UNICORE
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select IDF_TARGET_ARCH_RISCV
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config IDF_TARGET_ESP32C2
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bool
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default "y" if IDF_TARGET="esp32c2"
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select FREERTOS_UNICORE
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select IDF_TARGET_ARCH_RISCV
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config IDF_TARGET_ESP32C6
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bool
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default "y" if IDF_TARGET="esp32c6"
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select FREERTOS_UNICORE
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select IDF_TARGET_ARCH_RISCV
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config IDF_TARGET_ESP32P4
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bool
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default "y" if IDF_TARGET="esp32p4"
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select IDF_TARGET_ARCH_RISCV
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config IDF_TARGET_ESP32H2
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bool
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default "y" if IDF_TARGET="esp32h2"
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select FREERTOS_UNICORE
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select IDF_TARGET_ARCH_RISCV
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config IDF_TARGET_LINUX
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bool
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default "y" if IDF_TARGET="linux"
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config IDF_FIRMWARE_CHIP_ID
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hex
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default 0x0000 if IDF_TARGET_ESP32
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default 0x0002 if IDF_TARGET_ESP32S2
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default 0x0005 if IDF_TARGET_ESP32C3
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default 0x0009 if IDF_TARGET_ESP32S3
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default 0x000C if IDF_TARGET_ESP32C2
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default 0x000D if IDF_TARGET_ESP32C6
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default 0x0010 if IDF_TARGET_ESP32H2
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default 0x0012 if IDF_TARGET_ESP32P4
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default 0xFFFF
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menu "Build type"
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choice APP_BUILD_TYPE
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prompt "Application build type"
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default APP_BUILD_TYPE_APP_2NDBOOT
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help
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Select the way the application is built.
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By default, the application is built as a binary file in a format compatible with
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the ESP-IDF bootloader. In addition to this application, 2nd stage bootloader is
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also built. Application and bootloader binaries can be written into flash and
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loaded/executed from there.
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Another option, useful for only very small and limited applications, is to only link
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the .elf file of the application, such that it can be loaded directly into RAM over
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JTAG or UART. Note that since IRAM and DRAM sizes are very limited, it is not possible
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to build any complex application this way. However for some kinds of testing and debugging,
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this option may provide faster iterations, since the application does not need to be
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written into flash.
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Note: when APP_BUILD_TYPE_RAM is selected and loaded with JTAG, ESP-IDF does not contain
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all the startup code required to initialize the CPUs and ROM memory (data/bss).
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Therefore it is necessary to execute a bit of ROM code prior to executing the application.
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A gdbinit file may look as follows (for ESP32):
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# Connect to a running instance of OpenOCD
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target remote :3333
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# Reset and halt the target
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mon reset halt
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# Run to a specific point in ROM code,
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# where most of initialization is complete.
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thb *0x40007d54
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c
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# Load the application into RAM
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load
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# Run till app_main
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tb app_main
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c
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Execute this gdbinit file as follows:
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xtensa-esp32-elf-gdb build/app-name.elf -x gdbinit
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Example gdbinit files for other targets can be found in tools/test_apps/system/gdb_loadable_elf/
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When loading the BIN with UART, the ROM will jump to ram and run the app after finishing the ROM
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startup code, so there's no additional startup initialization required. You can use the
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`load_ram` in esptool.py to load the generated .bin file into ram and execute.
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Example:
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esptool.py --chip {chip} -p {port} -b {baud} --no-stub load_ram {app.bin}
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Recommended sdkconfig.defaults for building loadable ELF files is as follows.
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CONFIG_APP_BUILD_TYPE_RAM is required, other options help reduce application
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memory footprint.
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CONFIG_APP_BUILD_TYPE_RAM=y
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CONFIG_VFS_SUPPORT_TERMIOS=
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CONFIG_NEWLIB_NANO_FORMAT=y
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CONFIG_ESP_SYSTEM_PANIC_PRINT_HALT=y
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CONFIG_ESP_DEBUG_STUBS_ENABLE=
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CONFIG_ESP_ERR_TO_NAME_LOOKUP=
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config APP_BUILD_TYPE_APP_2NDBOOT
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bool
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prompt "Default (binary application + 2nd stage bootloader)"
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depends on !IDF_TARGET_LINUX
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select APP_BUILD_GENERATE_BINARIES
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select APP_BUILD_BOOTLOADER
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select APP_BUILD_USE_FLASH_SECTIONS
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config APP_BUILD_TYPE_RAM
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bool
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prompt "Build app runs entirely in RAM (EXPERIMENTAL)"
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select APP_BUILD_GENERATE_BINARIES
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endchoice # APP_BUILD_TYPE
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# Hidden options, set according to the choice above
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config APP_BUILD_GENERATE_BINARIES
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bool # Whether to generate .bin files or not
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config APP_BUILD_BOOTLOADER
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bool # Whether to build the bootloader
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config APP_BUILD_TYPE_PURE_RAM_APP
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bool
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prompt "Build app without SPI_FLASH/PSRAM support (saves ram)"
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depends on APP_BUILD_TYPE_RAM
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help
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If this option is enabled, external memory and related peripherals, such as Cache, MMU,
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Flash and PSRAM, won't be initialized. Corresponding drivers won't be introduced either.
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Components that depend on the spi_flash component will also be unavailable, such as
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app_update, etc. When this option is enabled, about 26KB of RAM space can be saved.
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config APP_BUILD_USE_FLASH_SECTIONS
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bool # Whether to place code/data into memory-mapped flash sections
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config APP_REPRODUCIBLE_BUILD
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bool "Enable reproducible build"
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default n
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select COMPILER_HIDE_PATHS_MACROS
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help
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If enabled, all date, time, and path information would be eliminated. A .gdbinit file would be create
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automatically. (or will be append if you have one already)
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config APP_NO_BLOBS
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bool "No Binary Blobs"
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default n
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help
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If enabled, this disables the linking of binary libraries in the application build. Note
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that after enabling this Wi-Fi/Bluetooth will not work.
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config APP_COMPATIBLE_PRE_V2_1_BOOTLOADERS
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bool "App compatible with bootloaders before ESP-IDF v2.1"
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select APP_COMPATIBLE_PRE_V3_1_BOOTLOADERS
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depends on IDF_TARGET_ESP32
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default n
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help
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Bootloaders before ESP-IDF v2.1 did less initialisation of the
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system clock. This setting needs to be enabled to build an app
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which can be booted by these older bootloaders.
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If this setting is enabled, the app can be booted by any bootloader
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from IDF v1.0 up to the current version.
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If this setting is disabled, the app can only be booted by bootloaders
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from IDF v2.1 or newer.
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Enabling this setting adds approximately 1KB to the app's IRAM usage.
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config APP_COMPATIBLE_PRE_V3_1_BOOTLOADERS
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bool "App compatible with bootloader and partition table before ESP-IDF v3.1"
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depends on IDF_TARGET_ESP32
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default n
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help
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Partition tables before ESP-IDF V3.1 do not contain an MD5 checksum
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field, and the bootloader before ESP-IDF v3.1 cannot read a partition
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table that contains an MD5 checksum field.
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Enable this option only if your app needs to boot on a bootloader and/or
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partition table that was generated from a version *before* ESP-IDF v3.1.
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If this option and Flash Encryption are enabled at the same time, and any
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data partitions in the partition table are marked Encrypted, then the
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partition encrypted flag should be manually verified in the app before accessing
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the partition (see CVE-2021-27926).
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config APP_INIT_CLK
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bool
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depends on IDF_TARGET_ESP32
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default y if APP_COMPATIBLE_PRE_V2_1_BOOTLOADERS
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default y if APP_BUILD_TYPE_RAM
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endmenu # Build type
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source "$COMPONENT_KCONFIGS_PROJBUILD_SOURCE_FILE"
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menu "Compiler options"
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choice COMPILER_OPTIMIZATION
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prompt "Optimization Level"
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default COMPILER_OPTIMIZATION_DEBUG
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help
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This option sets compiler optimization level (gcc -O argument) for the app.
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- The "Debug" setting will add the -0g flag to CFLAGS.
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- The "Size" setting will add the -0s flag to CFLAGS.
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- The "Performance" setting will add the -O2 flag to CFLAGS.
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- The "None" setting will add the -O0 flag to CFLAGS.
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The "Size" setting cause the compiled code to be smaller and faster, but
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may lead to difficulties of correlating code addresses to source file
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lines when debugging.
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The "Performance" setting causes the compiled code to be larger and faster,
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but will be easier to correlated code addresses to source file lines.
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"None" with -O0 produces compiled code without optimization.
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Note that custom optimization levels may be unsupported.
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Compiler optimization for the IDF bootloader is set separately,
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see the BOOTLOADER_COMPILER_OPTIMIZATION setting.
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config COMPILER_OPTIMIZATION_DEBUG
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bool "Debug (-Og)"
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config COMPILER_OPTIMIZATION_SIZE
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bool "Optimize for size (-Os)"
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config COMPILER_OPTIMIZATION_PERF
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bool "Optimize for performance (-O2)"
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config COMPILER_OPTIMIZATION_NONE
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bool "Debug without optimization (-O0)"
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endchoice
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choice COMPILER_OPTIMIZATION_ASSERTION_LEVEL
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prompt "Assertion level"
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default COMPILER_OPTIMIZATION_ASSERTIONS_ENABLE
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help
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Assertions can be:
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- Enabled. Failure will print verbose assertion details. This is the default.
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- Set to "silent" to save code size (failed assertions will abort() but user
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needs to use the aborting address to find the line number with the failed assertion.)
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- Disabled entirely (not recommended for most configurations.) -DNDEBUG is added
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to CPPFLAGS in this case.
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config COMPILER_OPTIMIZATION_ASSERTIONS_ENABLE
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prompt "Enabled"
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bool
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help
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Enable assertions. Assertion content and line number will be printed on failure.
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config COMPILER_OPTIMIZATION_ASSERTIONS_SILENT
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prompt "Silent (saves code size)"
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bool
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help
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Enable silent assertions. Failed assertions will abort(), user needs to
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use the aborting address to find the line number with the failed assertion.
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config COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE
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prompt "Disabled (sets -DNDEBUG)"
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bool
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help
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If assertions are disabled, -DNDEBUG is added to CPPFLAGS.
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endchoice # assertions
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choice COMPILER_FLOAT_LIB_FROM
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prompt "Compiler float lib source"
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default COMPILER_FLOAT_LIB_FROM_RVFPLIB if ESP_ROM_HAS_RVFPLIB
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default COMPILER_FLOAT_LIB_FROM_GCCLIB
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help
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In the soft-fp part of libgcc, riscv version is written in C,
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and handles all edge cases in IEEE754, which makes it larger
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and performance is slow.
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RVfplib is an optimized RISC-V library for FP arithmetic on 32-bit
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integer processors, for single and double-precision FP.
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RVfplib is "fast", but it has a few exceptions from IEEE 754 compliance.
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config COMPILER_FLOAT_LIB_FROM_GCCLIB
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bool "libgcc"
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config COMPILER_FLOAT_LIB_FROM_RVFPLIB
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depends on ESP_ROM_HAS_RVFPLIB
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bool "librvfp"
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endchoice # COMPILER_FLOAT_LIB_FROM
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config COMPILER_OPTIMIZATION_ASSERTION_LEVEL
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int
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default 0 if COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE
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default 1 if COMPILER_OPTIMIZATION_ASSERTIONS_SILENT
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default 2 if COMPILER_OPTIMIZATION_ASSERTIONS_ENABLE
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config COMPILER_OPTIMIZATION_CHECKS_SILENT
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bool "Disable messages in ESP_RETURN_ON_* and ESP_EXIT_ON_* macros"
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default n
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help
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If enabled, the error messages will be discarded in following check macros:
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- ESP_RETURN_ON_ERROR
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- ESP_EXIT_ON_ERROR
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- ESP_RETURN_ON_FALSE
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- ESP_EXIT_ON_FALSE
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menuconfig COMPILER_HIDE_PATHS_MACROS
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bool "Replace ESP-IDF and project paths in binaries"
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default y
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help
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When expanding the __FILE__ and __BASE_FILE__ macros, replace paths inside ESP-IDF
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with paths relative to the placeholder string "IDF", and convert paths inside the
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project directory to relative paths.
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This allows building the project with assertions or other code that embeds file paths,
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without the binary containing the exact path to the IDF or project directories.
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This option passes -fmacro-prefix-map options to the GCC command line. To replace additional
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paths in your binaries, modify the project CMakeLists.txt file to pass custom -fmacro-prefix-map or
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-ffile-prefix-map arguments.
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menuconfig COMPILER_CXX_EXCEPTIONS
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bool "Enable C++ exceptions"
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default n
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help
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Enabling this option compiles all IDF C++ files with exception support enabled.
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Disabling this option disables C++ exception support in all compiled files, and any libstdc++ code
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which throws an exception will abort instead.
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Enabling this option currently adds an additional ~500 bytes of heap overhead
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when an exception is thrown in user code for the first time.
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config COMPILER_CXX_EXCEPTIONS_EMG_POOL_SIZE
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int "Emergency Pool Size"
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default 0
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depends on COMPILER_CXX_EXCEPTIONS
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help
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Size (in bytes) of the emergency memory pool for C++ exceptions. This pool will be used to allocate
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memory for thrown exceptions when there is not enough memory on the heap.
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config COMPILER_CXX_RTTI
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bool "Enable C++ run-time type info (RTTI)"
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default n
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help
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Enabling this option compiles all C++ files with RTTI support enabled.
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This increases binary size (typically by tens of kB) but allows using
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dynamic_cast conversion and typeid operator.
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choice COMPILER_STACK_CHECK_MODE
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prompt "Stack smashing protection mode"
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default COMPILER_STACK_CHECK_MODE_NONE
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help
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Stack smashing protection mode. Emit extra code to check for buffer overflows, such as stack
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smashing attacks. This is done by adding a guard variable to functions with vulnerable objects.
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The guards are initialized when a function is entered and then checked when the function exits.
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If a guard check fails, program is halted. Protection has the following modes:
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- In NORMAL mode (GCC flag: -fstack-protector) only functions that call alloca, and functions with
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buffers larger than 8 bytes are protected.
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- STRONG mode (GCC flag: -fstack-protector-strong) is like NORMAL, but includes additional functions
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to be protected -- those that have local array definitions, or have references to local frame
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addresses.
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- In OVERALL mode (GCC flag: -fstack-protector-all) all functions are protected.
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Modes have the following impact on code performance and coverage:
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- performance: NORMAL > STRONG > OVERALL
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- coverage: NORMAL < STRONG < OVERALL
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The performance impact includes increasing the amount of stack memory required for each task.
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config COMPILER_STACK_CHECK_MODE_NONE
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bool "None"
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config COMPILER_STACK_CHECK_MODE_NORM
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bool "Normal"
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config COMPILER_STACK_CHECK_MODE_STRONG
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bool "Strong"
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config COMPILER_STACK_CHECK_MODE_ALL
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bool "Overall"
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endchoice
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config COMPILER_STACK_CHECK
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bool
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default !COMPILER_STACK_CHECK_MODE_NONE
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help
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Stack smashing protection.
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config COMPILER_WARN_WRITE_STRINGS
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bool "Enable -Wwrite-strings warning flag"
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default "n"
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help
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Adds -Wwrite-strings flag for the C/C++ compilers.
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For C, this gives string constants the type ``const char[]`` so that
|
|
copying the address of one into a non-const ``char *`` pointer
|
|
produces a warning. This warning helps to find at compile time code
|
|
that tries to write into a string constant.
|
|
|
|
For C++, this warns about the deprecated conversion from string
|
|
literals to ``char *``.
|
|
|
|
config COMPILER_SAVE_RESTORE_LIBCALLS
|
|
bool "Enable -msave-restore flag to reduce code size"
|
|
depends on IDF_TARGET_ARCH_RISCV
|
|
help
|
|
Adds -msave-restore to C/C++ compilation flags.
|
|
|
|
When this flag is enabled, compiler will call library functions to
|
|
save/restore registers in function prologues/epilogues. This results
|
|
in lower overall code size, at the expense of slightly reduced performance.
|
|
|
|
This option can be enabled for RISC-V targets only.
|
|
|
|
config COMPILER_DISABLE_GCC12_WARNINGS
|
|
bool "Disable new warnings introduced in GCC 12"
|
|
default "n"
|
|
help
|
|
Enable this option if use GCC 12 or newer, and want to disable warnings which don't appear with
|
|
GCC 11.
|
|
|
|
config COMPILER_DISABLE_GCC13_WARNINGS
|
|
bool "Disable new warnings introduced in GCC 13"
|
|
default "n"
|
|
help
|
|
Enable this option if use GCC 13 or newer, and want to disable warnings which don't appear with
|
|
GCC 12.
|
|
|
|
config COMPILER_DUMP_RTL_FILES
|
|
bool "Dump RTL files during compilation"
|
|
help
|
|
If enabled, RTL files will be produced during compilation. These files
|
|
can be used by other tools, for example to calculate call graphs.
|
|
|
|
choice COMPILER_RT_LIB
|
|
prompt "Compiler runtime library"
|
|
default COMPILER_RT_LIB_CLANGRT if IDF_TOOLCHAIN_CLANG
|
|
default COMPILER_RT_LIB_HOST if IDF_TARGET_LINUX
|
|
default COMPILER_RT_LIB_GCCLIB
|
|
help
|
|
Select runtime library to be used by compiler.
|
|
- GCC toolchain supports libgcc only.
|
|
- Clang allows to choose between libgcc or libclang_rt.
|
|
- For host builds ("linux" target), uses the default library.
|
|
|
|
config COMPILER_RT_LIB_GCCLIB
|
|
depends on !IDF_TARGET_LINUX
|
|
bool "libgcc"
|
|
config COMPILER_RT_LIB_CLANGRT
|
|
depends on IDF_TOOLCHAIN_CLANG && !IDF_TARGET_LINUX
|
|
bool "libclang_rt"
|
|
config COMPILER_RT_LIB_HOST
|
|
depends on IDF_TARGET_LINUX
|
|
bool "Host"
|
|
endchoice
|
|
|
|
config COMPILER_RT_LIB_NAME
|
|
string
|
|
default "clang_rt.builtins" if COMPILER_RT_LIB_CLANGRT
|
|
default "gcc" if COMPILER_RT_LIB_GCCLIB
|
|
default "" if COMPILER_RT_LIB_HOST
|
|
|
|
endmenu # Compiler Options
|
|
|
|
menu "Component config"
|
|
source "$COMPONENT_KCONFIGS_SOURCE_FILE"
|
|
endmenu
|
|
|
|
config IDF_EXPERIMENTAL_FEATURES
|
|
bool "Make experimental features visible"
|
|
default "n"
|
|
help
|
|
By enabling this option, ESP-IDF experimental feature options will be visible.
|
|
|
|
Note you should still enable a certain experimental feature option to use it, and you
|
|
should read the corresponding risk warning and known issue list carefully.
|
|
|
|
Current experimental feature list:
|
|
|
|
- CONFIG_ESPTOOLPY_FLASHFREQ_120M
|
|
- CONFIG_SPIRAM_SPEED_120M
|
|
- CONFIG_SPI_FLASH_QUAD_32BIT_ADDR_ENABLE
|