## This file is part of the coreboot project.
##
## Copyright (C) 2017 Facebook Inc.
## Copyright (C) 2018 9elements Cyber Security
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; version 2 of the License.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##

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

endchoice

config LINUXBOOT_ARCH
	string
	default "amd64" if LINUXBOOT_X86_64
	default "i386" if LINUXBOOT_X86
	default "arm64" if LINUXBOOT_ARM64

comment "Linux kernel"

config LINUXBOOT_COMPILE_KERNEL
	bool "Compile kernel"
	default n

config LINUXBOOT_KERNEL_PATH
	string "Path to kernel"
	default "Image"
	depends on !LINUXBOOT_COMPILE_KERNEL

if LINUXBOOT_COMPILE_KERNEL

choice
	prompt "Kernel version"
	default LINUXBOOT_KERNEL_STABLE

config LINUXBOOT_KERNEL_STABLE
	bool "4.14.67"
	help
	  Stable kernel version

config LINUXBOOT_KERNEL_LATEST
	bool "4.18.5"
	help
	  Latest kernel version

endchoice

config LINUXBOOT_KERNEL_VERSION
	string
	default "4.18.5" if LINUXBOOT_KERNEL_LATEST
	default "4.14.67" if LINUXBOOT_KERNEL_STABLE

config LINUXBOOT_KERNEL_CONFIGFILE
	string "Kernel config file"
	default ""
	help
	  Add your own kernel configuration file. Otherwise a default
	  minimal defconfig is used.

config LINUXBOOT_DTB_FILE
	string "Compiled devicetree file"
	depends on LINUXBOOT_ARM64
	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
	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_MASTER

config LINUXBOOT_UROOT_MASTER
	bool "master"
	help
	  Latest u-root version
endchoice

config LINUXBOOT_UROOT_VERSION
	string
	default "master" if LINUXBOOT_UROOT_MASTER

config LINUXBOOT_UROOT_COMMANDS
	string "Select u-root commands"
	default ""
	help
	  List of additional modules to include, separated by space. Otherwise
	  all modules of u-root are included.

config LINUXBOOT_UROOT_FILES
	string "Add files to u-root base"
	default ""
	help
	  Path to directory containing root structure for embedding into the
	  initramfs.

endif #LINUXBOOT_UROOT

endif #LINUXBOOT_BUILD_INITRAMFS

config LINUX_INITRD
	string
	default "payloads/external/LinuxBoot/linuxboot/initramfs_u-root.cpio.xz" if LINUXBOOT_UROOT
	default LINUXBOOT_INITRAMFS_PATH if !LINUXBOOT_BUILD_INITRAMFS

endif #PAYLOAD_LINUXBOOT