coreboot-kgpe-d16/payloads/external/LinuxBoot/Kconfig

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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_ARM
bool "arm64"
depends on ARCH_ARM
select PAYLOAD_FIT_SUPPORT
help
arm kernel and initramfs
config LINUXBOOT_ARM64
bool "arm64"
depends on ARCH_ARM64
select PAYLOAD_FIT_SUPPORT
help
AARCH64 kernel and initramfs
config LINUXBOOT_RISCV_RV32
bool "RISC-V"
depends on ARCH_RISCV_RV32
select PAYLOAD_FIT_SUPPORT
help
RISC-V kernel and initramfs
config LINUXBOOT_RISCV_RV64
bool "RISC-V"
depends on ARCH_RISCV_RV64
select PAYLOAD_FIT_SUPPORT
help
RISC-V kernel and initramfs
endchoice
comment "Linux kernel"
config LINUXBOOT_COMPILE_KERNEL
bool "Compile kernel"
default n
config LINUXBOOT_KERNEL_PATH
string "Path to kernel"
default "build/uImage" if LINUXBOOT_KERNEL_UIMAGE
default "build/bzImage" if LINUXBOOT_KERNEL_BZIMAGE
help
The kernel path is either and absolute path or relative to the
LinuxBoot directory
if LINUXBOOT_COMPILE_KERNEL
config LINUXBOOT_CROSS_COMPILE
string "cross compiler"
default "" # e.g. "aarch64-linux-gnu-"
help
Choose a custom cross compiler toolchain to use.
It can be useful if you don't want to use the coreboot toolchain
or experience problems using it.
config LINUXBOOT_KERNEL_VERSION
string "kernel version"
default "6.3"
help
Choose the Linux kernel version number. (x.x.x)
Release candidate kernels (rc) are currently are not supported.
config LINUXBOOT_KERNEL_CONFIGFILE
string "Config file path"
default "i386/defconfig" if LINUXBOOT_X86
default "x86_64/defconfig" if LINUXBOOT_X86_64
default "arm64/defconfig" if LINUXBOOT_ARM64
default "riscv/defconfig-32" if LINUXBOOT_RISCV_RV32
default "riscv/defconfig-64" if LINUXBOOT_RISCV_RV64
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_RV32 || LINUXBOOT_RISCV_RV64
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_RV32 || LINUXBOOT_RISCV_RV64
endchoice
config LINUXBOOT_DTS_FILE
string "Compiled devicetree file"
depends on LINUXBOOT_ARM64 || LINUXBOOT_RISCV_RV32 || LINUXBOOT_RISCV_RV64
default "empty.dts"
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/build/Image"
comment "Linux initramfs"
config LINUXBOOT_BUILD_INITRAMFS
bool "Build initramfs"
default n
config LINUXBOOT_INITRAMFS_PATH
string "Path to initramfs"
default "build/initramfs_u-root.cpio" if LINUXBOOT_UROOT
if LINUXBOOT_BUILD_INITRAMFS
choice
prompt "Initramfs"
default LINUXBOOT_UROOT
config LINUXBOOT_UROOT
bool "u-root"
depends on !LINUXBOOT_RISCV_RV32 # not supported by 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 LINUXBOOT_INITRAMFS_SUFFIX
string
default "" if LINUXBOOT_INITRAMFS_COMPRESSION_NONE
default ".xz" if LINUXBOOT_INITRAMFS_COMPRESSION_XZ
endif #PAYLOAD_LINUXBOOT