Commit 8decd254 authored by Thomas Petazzoni's avatar Thomas Petazzoni
Browse files

grub2: prepare and install El Torito image 



In order to support ISO9660 bootable images that rely on Grub 2, this
commit modifies thr Grub 2 makefile to generate and install an El
Torito image. Such an image is simply produced by concatenating the
cdboot.img provided by Grub 2, and the Grub 2 image generated by
Buildroot using grub-mkimage.

Since this action is so simple and cost-free, we don't bother adding a
Grub 2 sub-option for that, and simply generate the El Torito image
unconditionally.

Signed-off-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: default avatar"Yann E. MORIN" <yann.morin.1998@free.fr>
parent 5bac06e8

boot/grub2/grub2.mk

+2 −0
Original line number Diff line number Diff line
@@ -76,6 +76,8 @@ define GRUB2_IMAGE_INSTALLATION 
		-p "$(GRUB2_PREFIX)" \

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

		$(GRUB2_BUILTIN_MODULES)

	cat $(HOST_DIR)/usr/lib/grub/$(GRUB2_TUPLE)/cdboot.img $(GRUB2_IMAGE) > \

		$(BINARIES_DIR)/grub-eltorito.img

	mkdir -p $(dir $(GRUB2_CFG))

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

endef