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## 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_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 "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")
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
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