| # SPDX-License-Identifier: Apache-2.0 | 
 |  | 
 | config BOARD | 
 | 	string | 
 | 	# When using hw model v2, then the board is inherited from CMake. | 
 | 	default "$(BOARD)" if "$(HWM_SCHEME)" = "v2" | 
 | 	help | 
 | 	  This option holds the name of the board and is used to locate the files | 
 | 	  related to the board in the source tree (under boards/). | 
 | 	  The Board is the first location where we search for a linker.ld file, | 
 | 	  if not found we look for the linker file in | 
 | 	  soc/<arch>/<family>/<series> | 
 |  | 
 | config BOARD_REVISION | 
 | 	def_string "$(BOARD_REVISION)" | 
 | 	help | 
 | 	  If the BOARD has a revision field set, this is the revision. | 
 | 	  Otherwise, it is the empty string. For example, if BOARD is | 
 | 	  "plank@foo", this option will be "foo". If BOARD is "plank", | 
 | 	  this option will be the empty string. | 
 |  | 
 | config BOARD_TARGET | 
 | 	string | 
 | 	default "$(BOARD)@$(BOARD_REVISION)$(BOARD_QUALIFIERS)" if "$(BOARD_REVISION)" != "" | 
 | 	default "$(BOARD)$(BOARD_QUALIFIERS)" | 
 | 	help | 
 | 	  Contains the board target (full string including name, revision, soc, cluster and | 
 | 	  variant) of the board being used. | 
 |  | 
 | 	  For example, if building for ``nrf5340dk/nrf5340/cpuapp`` then this will contain the | 
 | 	  value ``nrf5340dk/nrf5340/cpuapp``. | 
 |  | 
 | config BOARD_DEPRECATED_RELEASE | 
 | 	string | 
 | 	help | 
 | 	  This hidden option is set in the board configuration and indicates | 
 | 	  the Zephyr release that the board configuration will be removed. | 
 | 	  When set, any build for that board will generate a clearly visible | 
 | 	  deprecation warning. | 
 | 	  When adding this to a BOARD, remember to follow the instructions in | 
 | 	  https://docs.zephyrproject.org/latest/develop/api/api_lifecycle.html#deprecated | 
 |  | 
 | config QEMU_TARGET | 
 | 	bool | 
 | 	help | 
 | 	  Mark all QEMU targets with this variable for checking whether we are | 
 | 	  running in an emulated environment. | 
 |  | 
 | config NET_DRIVERS | 
 | 	bool | 
 | 	default y if QEMU_TARGET && NETWORKING | 
 | 	help | 
 | 	  When building for a qemu target then NET_DRIVERS will be default | 
 | 	  enabled to allow for easy use of SLIP or PPP | 
 |  | 
 | rsource "Kconfig.$(HWM_SCHEME)" | 
 |  | 
 | # Parse shields references | 
 | # Don't do it as a menuconfig, as shield selection is a CMake feature. | 
 | # This loads custom shields Kconfig (from BOARD_ROOT) | 
 | osource "$(KCONFIG_BINARY_DIR)/Kconfig.shield" | 
 | # This loads Zephyr base shield defconfigs | 
 | rsource "shields/*/Kconfig.shield" | 
 |  | 
 | menu "Board Options" | 
 | config QEMU_ICOUNT | 
 | 	bool "QEMU icount mode" | 
 | 	depends on QEMU_TARGET | 
 | 	default y if !NETWORKING && !BT | 
 | 	help | 
 | 	  Enable QEMU virtual instruction counter. The virtual cpu will | 
 | 	  execute one instruction every 2^N ns of virtual time. This will | 
 | 	  give deterministic execution times from the guest point of view. | 
 |  | 
 | config QEMU_ICOUNT_SHIFT | 
 | 	int "QEMU icount shift value" | 
 | 	depends on QEMU_ICOUNT | 
 | 	help | 
 | 	  The virtual CPU will execute one instruction every 2^N nanoseconds | 
 | 	  of virtual time, where N is the value provided here. | 
 |  | 
 | config QEMU_ICOUNT_SLEEP | 
 | 	bool "QEMU icount sleep mode enable" | 
 | 	depends on QEMU_ICOUNT | 
 | 	help | 
 | 	  When the virtual CPU is sleeping, the virtual time will advance | 
 | 	  at default speed unless this option is set. With this option set, | 
 | 	  the virtual time will jump to the next timer deadline instantly | 
 | 	  whenever the virtual CPU goes to sleep mode and will not advance | 
 | 	  if no timer is enabled. This behavior gives deterministic execution | 
 | 	  times from the guest point of view. | 
 |  | 
 | config QEMU_IVSHMEM_PLAIN_MEM_SIZE | 
 | 	int "QEMU ivshmem-plain shared memory size in mega-bytes" | 
 | 	default 1 | 
 | 	depends on QEMU_TARGET && IVSHMEM && !IVSHMEM_DOORBELL | 
 | 	help | 
 | 	  This sets the size of the shared memory when using ivshmem-plain | 
 | 	  device in Qemu. Note that it's in mega-bytes, so 1 means 1M for Qemu | 
 | 	  etc.. | 
 |  | 
 | config QEMU_UEFI_BOOT | 
 | 	bool "QEMU uses UEFI to boot up" | 
 | 	default n | 
 | 	depends on BUILD_OUTPUT_EFI && QEMU_TARGET && X86_64 | 
 | 	help | 
 | 	  This option indicates that QEMU will use UEFI bootable method | 
 | 	  to boot up. | 
 |  | 
 | config QEMU_GDBSERVER_LISTEN_DEV | 
 | 	string "QEMU gdbserver listen device" | 
 | 	default "tcp::1234" | 
 | 	depends on QEMU_TARGET | 
 | 	help | 
 | 	  This options is passed onto QEMU as a parameter to `-gdb` option. | 
 | 	  The default value is equivalent to `-s` which is a shorthand for | 
 | 	  `-gdb tcp::1234`. An empty value omits the `-gdb` parameter altogether. | 
 | 	  This allows the injection of `-gdb` parameter from other sources such | 
 | 	  as the `QEMU_EXTRA_FLAGS` environment variable. Refer to application | 
 | 	  development doc and/or QEMU invocation doc for more info. | 
 |  | 
 | config QEMU_EXTRA_FLAGS | 
 | 	string "QEMU extra flags" | 
 | 	depends on QEMU_TARGET | 
 | 	default "" | 
 | 	help | 
 | 	  This option is to pass onto QEMU an extra list of parameters | 
 | 	  to setup devices, for example to allocate interface for Zephyr | 
 | 	  GDBstub over serial with `-serial tcp:127.0.0.1:5678,server` | 
 |  | 
 | config BOARD_REQUIRES_SERIAL_BACKEND_CDC_ACM | 
 | 	bool | 
 | 	help | 
 | 	  Indicates that a board has no other capabilities than to use the CDC | 
 | 	  ACM UART as a backend for logging or shell. | 
 |  | 
 | config BOARD_SERIAL_BACKEND_CDC_ACM | 
 | 	bool "Board uses USB CDC ACM UART as serial backend" | 
 | 	depends on BOARD_REQUIRES_SERIAL_BACKEND_CDC_ACM | 
 | 	default y | 
 | 	help | 
 | 	  USB stack and CDC ACM UART are configured and initialized at boot | 
 | 	  time to be used as a backend for logging or shell. | 
 |  | 
 | # There might not be any board options, hence the optional source | 
 | osource "$(KCONFIG_BOARD_DIR)/Kconfig" | 
 | endmenu | 
 |  | 
 | config BOARD_HAS_TIMING_FUNCTIONS | 
 | 	bool | 
 | 	help | 
 | 	  Should be selected if board provides custom method for retrieving | 
 | 	  timestamps and cycle count. |