## SPDX-License-Identifier: GPL-2.0-only if PAYLOAD_LINUXBOOT choice prompt "Architecture" depends on LINUXBOOT_COMPILE_KERNEL || LINUXBOOT_BUILD_INITRAMFS default LINUXBOOT_X86_64 config LINUXBOOT_X86_64 bool "x86_64" depends on ARCH_X86 help AMD64 kernel and initramfs config LINUXBOOT_X86 bool "x86" depends on ARCH_X86 help X86 kernel and initramfs config LINUXBOOT_ARM64 bool "arm64" depends on ARCH_ARM64 select PAYLOAD_FIT_SUPPORT help AARCH64 kernel and initramfs config LINUXBOOT_RISCV bool "RISC-V" depends on ARCH_RISCV select PAYLOAD_FIT_SUPPORT help RISC-V kernel and initramfs endchoice comment "Linux kernel" config LINUXBOOT_COMPILE_KERNEL bool "Compile kernel" default n if LINUXBOOT_COMPILE_KERNEL comment "parse linux crosscompiler with: LINUXBOOT_CROSS_COMPILE" endif config LINUXBOOT_KERNEL_PATH string "Path to kernel" default "Image" depends on !LINUXBOOT_COMPILE_KERNEL if LINUXBOOT_COMPILE_KERNEL choice prompt "Kernel release" default LINUXBOOT_KERNEL_STABLE help Choose the kernel release. Select 'custom' if your want to define the kernel version. For more information about the current 'mainline', 'stable' or 'longterm' version, visit: https://www.kernel.org/ config LINUXBOOT_KERNEL_MAINLINE bool "mainline" help Mainline kernel version config LINUXBOOT_KERNEL_STABLE bool "stable" help Stable kernel version config LINUXBOOT_KERNEL_LONGTERM bool "longterm" help Longterm (LTS) kernel version config LINUXBOOT_KERNEL_CUSTOM bool "custom" help Custom kernel version endchoice config LINUXBOOT_KERNEL_CUSTOM_VERSION string "kernel version" default "" depends on LINUXBOOT_KERNEL_CUSTOM help Choose the Linux kernel version number. (x.x.x) Release candidate kernels (rc) are currently are not supported. choice prompt "Kernel configuration" default LINUXBOOT_KERNEL_ARCH_DEFAULT_CONFIG config LINUXBOOT_KERNEL_ARCH_DEFAULT_CONFIG bool "Default architecture configuration" help This option will use the default configuration for the selected architecture. config LINUXBOOT_KERNEL_CUSTOM_CONFIG bool "Custom (def)config file" endchoice config LINUXBOOT_KERNEL_CONFIGFILE string "Config file path" default "defconfig" depends on LINUXBOOT_KERNEL_CUSTOM_CONFIG help Path to the kernel configuration file. Note: this can be a defconfig file or a complete .config file. choice prompt "Kernel binary format" default LINUXBOOT_KERNEL_BZIMAGE if LINUXBOOT_X86 || LINUXBOOT_X86_64 default LINUXBOOT_KERNEL_UIMAGE if LINUXBOOT_ARM64 || LINUXBOOT_RISCV config LINUXBOOT_KERNEL_BZIMAGE bool "bzImage" depends on LINUXBOOT_X86 || LINUXBOOT_X86_64 config LINUXBOOT_KERNEL_UIMAGE bool "uImage" depends on LINUXBOOT_ARM64 || LINUXBOOT_RISCV endchoice config LINUXBOOT_DTB_FILE string "Compiled devicetree file" depends on LINUXBOOT_ARM64 || LINUXBOOT_RISCV default "" endif #LINUXBOOT_COMPILE_KERNEL config LINUX_COMMAND_LINE string "Kernel command-line" default "" help Add your own kernel command-line arguments. config PAYLOAD_FILE default "payloads/external/LinuxBoot/linuxboot/bzImage" if LINUXBOOT_COMPILE_KERNEL && ( LINUXBOOT_X86 || LINUXBOOT_X86_64 ) default "payloads/external/LinuxBoot/linuxboot/uImage" if LINUXBOOT_COMPILE_KERNEL && (LINUXBOOT_ARM64 || LINUXBOOT_RISCV) default LINUXBOOT_KERNEL_PATH if !LINUXBOOT_COMPILE_KERNEL comment "Linux initramfs" config LINUXBOOT_BUILD_INITRAMFS bool "Build initramfs" default n config LINUXBOOT_INITRAMFS_PATH string "Path to initramfs" depends on !LINUXBOOT_BUILD_INITRAMFS if LINUXBOOT_BUILD_INITRAMFS choice prompt "Payload Mode" default LINUXBOOT_UROOT config LINUXBOOT_UROOT bool "u-root" help Enable u-root linuxboot mode. See http://u-root.tk/ for more information. endchoice if LINUXBOOT_UROOT choice prompt "U-root version" default LINUXBOOT_UROOT_MAIN config LINUXBOOT_UROOT_CUSTOM bool "custom" help choose a custom u-root branch config LINUXBOOT_UROOT_MAIN bool "main" help Latest u-root version config LINUXBOOT_UROOT_V7_0_0 bool "v7.0.0" config LINUXBOOT_UROOT_V6_0_0 bool "v6.0.0" config LINUXBOOT_UROOT_V5_0_0 bool "v5.0.0" config LINUXBOOT_UROOT_V4_0_0 bool "v4.0.0" config LINUXBOOT_UROOT_V3_0_0 bool "v3.0.0" config LINUXBOOT_UROOT_V2_0_0 bool "v2.0.0" config LINUXBOOT_UROOT_V1_0_0 bool "v1.0.0" endchoice config LINUXBOOT_UROOT_CHECKOUT string "U-root custom branch" depends on LINUXBOOT_UROOT_CUSTOM config LINUXBOOT_UROOT_VERSION string default LINUXBOOT_UROOT_CHECKOUT if LINUXBOOT_UROOT_CUSTOM default "main" if LINUXBOOT_UROOT_MAIN default "v7.0.0" if LINUXBOOT_UROOT_V7_0_0 default "v6.0.0" if LINUXBOOT_UROOT_V6_0_0 default "v5.0.0" if LINUXBOOT_UROOT_V5_0_0 default "v4.0.0" if LINUXBOOT_UROOT_V4_0_0 default "v3.0.0" if LINUXBOOT_UROOT_V3_0_0 default "v2.0.0" if LINUXBOOT_UROOT_V2_0_0 default "v1.0.0" if LINUXBOOT_UROOT_V1_0_0 choice prompt "Build format" default LINUXBOOT_UROOT_BB help u-root build format (e.g. bb or source). (default "bb") config LINUXBOOT_UROOT_BB bool "bb" config LINUXBOOT_UROOT_SOURCE bool "source (experimental)" endchoice config LINUXBOOT_UROOT_FORMAT string default "bb" if LINUXBOOT_UROOT_BB default "source" if LINUXBOOT_UROOT_SOURCE config LINUXBOOT_UROOT_FILES string "Add files to u-root base" help Additional files, directories, and binaries (with their ldd dependencies) to add to archive. Can be speficified multiple times. config LINUXBOOT_UROOT_INITCMD string "Init target" default "init" help Symlink target for /init. Can be an absolute path or a u-root command name. (default "init") config LINUXBOOT_UROOT_SHELL string "default shell" default "elvish" help Default shell. Can be an absolute path or a u-root command name. (default "elvish") config LINUXBOOT_UROOT_COMMANDS string "U-root commands" default "boot coreboot-app" help List of additional modules to include, separated by space. (default "boot coreboot-app") if LINUXBOOT_UROOT_MAIN choice prompt "Choose a specific bootloader" default SPECIFIC_BOOTLOADER_SYSTEMBOOT help Specify a bootloader which starts after u-root init. It will be a symlink to /bin/uinit. Default: systemboot config SPECIFIC_BOOTLOADER_NONE bool "none" help Leave u-root to decide which bootloaders to load first after init, if any at all. Most likely u-root will start into the defined u-root shell. config SPECIFIC_BOOTLOADER_SYSTEMBOOT bool "systemboot" help If systemboot has been used as a bootloader wrapper in the past, enable this option. It will invoke -uinitcmd=systemboot and result in a BIOS/UEFI BDS boot behavior. config SPECIFIC_BOOTLOADER_BOOT2 bool "boot2" config SPECIFIC_BOOTLOADER_PXEBOOT bool "pxeboot" config SPECIFIC_BOOTLOADER_STBOOT bool "stboot" config SPECIFIC_BOOTLOADER_CUSTOM bool "custom" endchoice config SPECIFIC_BOOTLOADER_CUSTOM_CMD string "Specify a custom program to start" depends on SPECIFIC_BOOTLOADER_CUSTOM help This option will symlink the input to /bin/unit which will set it as the first boot program after the u-root init. Program flags are not symlinkable. config LINUXBOOT_UROOT_UINITCMD string default "" if SPECIFIC_BOOTLOADER_NONE default "systemboot" if SPECIFIC_BOOTLOADER_SYSTEMBOOT default "boot2" if SPECIFIC_BOOTLOADER_BOOT2 default "pxeboot" if SPECIFIC_BOOTLOADER_PXEBOOT default "stboot" if SPECIFIC_BOOTLOADER_STBOOT default SPECIFIC_BOOTLOADER_CUSTOM_CMD if SPECIFIC_BOOTLOADER_CUSTOM endif #LINUXBOOT_UROOT_MAIN endif #LINUXBOOT_UROOT endif #LINUXBOOT_BUILD_INITRAMFS choice prompt "Initramfs compression format" default LINUXBOOT_INITRAMFS_COMPRESSION_XZ config LINUXBOOT_INITRAMFS_COMPRESSION_NONE bool "none" config LINUXBOOT_INITRAMFS_COMPRESSION_XZ bool "xz compression" endchoice config LINUX_INITRD string default "payloads/external/LinuxBoot/linuxboot/initramfs_u-root.cpio" if LINUXBOOT_UROOT default LINUXBOOT_INITRAMFS_PATH if !LINUXBOOT_BUILD_INITRAMFS config LINUXBOOT_INITRAMFS_SUFFIX string default "" if LINUXBOOT_INITRAMFS_COMPRESSION_NONE default ".xz" if LINUXBOOT_INITRAMFS_COMPRESSION_XZ endif #PAYLOAD_LINUXBOOT