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LinuxBoot: refactor u-root.mk

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Clean the u-root initramfs integration and add essential flags as options.
Now u-root automatically fetch updates and rebuilts itself to apply changes.

Change-Id: Id978ed2ebeff96c5be4f74ae07df9be76e106a1b
Signed-off-by: Marcello Sylvester Bauer <info@marcellobauer.com>
Reviewed-on: https://review.coreboot.org/c/29778
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
This commit is contained in:
Marcello Sylvester Bauer
2018-11-21 17:45:43 +01:00
committed by Philipp Deppenwiese
parent 78d0256f1d
commit e102c5d54b
5 changed files with 130 additions and 72 deletions
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91
payloads/external/LinuxBoot/Kconfig vendored
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@@ -127,6 +127,7 @@ config LINUXBOOT_UROOT
help
Enable u-root linuxboot mode.
See http://u-root.tk/ for more information.
endchoice
if LINUXBOOT_UROOT
@@ -135,37 +136,109 @@ choice
prompt "U-root version"
default LINUXBOOT_UROOT_MASTER
config LINUXBOOT_UROOT_CUSTOM
bool "custom"
help
choose a custom u-root branch
config LINUXBOOT_UROOT_MASTER
bool "master"
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 "master" if LINUXBOOT_UROOT_MASTER
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
config LINUXBOOT_UROOT_COMMANDS
string "Select u-root commands"
default ""
choice
prompt "Build format"
default LINUXBOOT_UROOT_BB
help
List of additional modules to include, separated by space. Otherwise
all modules of u-root are included.
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"
default ""
help
Path to directory containing root structure for embedding into the
initramfs.
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 "coreboot-app"
help
List of additional modules to include,
separated by space. (default "coreboot-app")
endif #LINUXBOOT_UROOT
endif #LINUXBOOT_BUILD_INITRAMFS
choice LINUXBOOT_INITRAMFS_COMPRESSION
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.xz" if LINUXBOOT_UROOT
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