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