Commit 1f9a0b38 authored by Dima Zavin's avatar Dima Zavin Committed by Thomas Petazzoni
Browse files

grub2: add a configuration option to embed a config file 



Add an option for embedding a config file directly in grub.

Signed-off-by: default avatarDima Zavin <dmitriyz@google.com>
Signed-off-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
parent 1990e79f

boot/grub2/Config.in

+8 −0
Original line number Diff line number Diff line
@@ -117,4 +117,12 @@ config BR2_TARGET_GRUB2_BUILTIN_MODULES 
	default "boot linux ext2 fat part_msdos part_gpt normal efi_gop" \

		if BR2_TARGET_GRUB2_I386_EFI || BR2_TARGET_GRUB2_X86_64_EFI



config BR2_TARGET_GRUB2_BUILTIN_CONFIG

	string "builtin config"

	help

	  Path to a Grub 2 configuration file that will be embedded

	  into the Grub image itself. This allows to set the root

	  device and other configuration parameters, but however menu

	  entries cannot be described in this embedded configuration.



endif # BR2_TARGET_GRUB2

boot/grub2/grub2.mk

+2 −0
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ GRUB2_PLATFORM = efi 
endif



GRUB2_BUILTIN_MODULES = $(call qstrip,$(BR2_TARGET_GRUB2_BUILTIN_MODULES))

GRUB2_BUILTIN_CONFIG = $(call qstrip,$(BR2_TARGET_GRUB2_BUILTIN_CONFIG))



# Grub2 is kind of special: it considers CC, LD and so on to be the

# tools to build the native tools (i.e to be executed on the build
@@ -71,6 +72,7 @@ define GRUB2_IMAGE_INSTALLATION 
		-O $(GRUB2_TUPLE) \

		-o $(GRUB2_IMAGE) \

		$(if $(GRUB2_PREFIX),-p $(GRUB2_PREFIX)) \

		$(if $(GRUB2_BUILTIN_CONFIG),-c $(GRUB2_BUILTIN_CONFIG)) \

		$(GRUB2_BUILTIN_MODULES)

	mkdir -p $(dir $(GRUB2_CFG))

	$(INSTALL) -D -m 0644 boot/grub2/grub.cfg $(GRUB2_CFG)