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config PAYLOAD_BUILD_GRUB2
bool
if PAYLOAD_GRUB2
config PAYLOAD_FILE
default "payloads/external/GRUB2/grub2/build/default_payload.elf"
endif
if PAYLOAD_BUILD_GRUB2
choice
prompt "GRUB2 version"
default GRUB2_STABLE
config GRUB2_STABLE
bool "2.12"
help
Stable GRUB2 version
config GRUB2_MASTER
bool "HEAD"
help
Newest GRUB2 version
config GRUB2_REVISION
bool "git revision"
help
Select this option if you have a specific commit or branch
that you want to use as the revision from which to
build GRUB2.
You will be able to specify the name of a branch or a commit id
later.
endchoice
config GRUB2_REVISION_ID
string "Insert a commit's SHA-1 or a branch name"
depends on GRUB2_REVISION
default "origin/master"
help
The commit's SHA-1 or branch name of the revision to use.
config GRUB2_EXTRA_MODULES
string "Extra modules to include in GRUB image"
help
Space-separated list of additional modules to include. Few common
ones:
* bsd for *BSD
* png/jpg for PNG/JPG images
* gfxmenu for graphical menus (you'll need a theme as well)
* gfxterm_background for setting background
config GRUB2_INCLUDE_RUNTIME_CONFIG_FILE
bool "Include GRUB2 runtime config file into ROM image"
depends on PAYLOAD_BUILD_GRUB2
default n
help
The GRUB2 payload reads its runtime configuration file from etc/grub.cfg
stored in the CBFS on the flash ROM chip. Without that, it’ll just drop
into a rescue shell.
This configuration may need to be coreboot specific.
Select this option, if you want to include the GRUB2 runtime
configuration file into CBFS as `etc/grub.cfg` automatically.
You will be able to specify the path of the configuration file later.
Without this option you would need to add this file manually with
build/cbfstool build/coreboot.rom add -f grub.cfg -n etc/grub.cfg -t raw
config GRUB2_RUNTIME_CONFIG_FILE
string "Path of grub.cfg"
depends on GRUB2_INCLUDE_RUNTIME_CONFIG_FILE
default "grub.cfg"
help
The path of the GRUB2 runtime configuration file to be added to CBFS.
endif
if PAYLOAD_SEAGRUB
config PAYLOAD_FILE
default "payloads/external/SeaBIOS/seabios/out/bios.bin.elf"
config SEABIOS_BOOTORDER_FILE
default "payloads/external/GRUB2/bootorder-seagrub"
config SEAGRUB_ALLOW_SEABIOS_BOOTMENU
bool "Allow to access SeaBIOS boot menu before launching GRUB"
help
Enable this to allow the access to the boot menu of SeaBIOS. It
increases the flexibility but allows to entirely bypass GRUB, along
with all secure mechanism implemented in its runtime config.
Please use this with caution.
endif
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